CN106530593A - Wireless smoke controller for simultaneously connecting fire fighting system and intelligent building system - Google Patents
Wireless smoke controller for simultaneously connecting fire fighting system and intelligent building system Download PDFInfo
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- CN106530593A CN106530593A CN201611169726.3A CN201611169726A CN106530593A CN 106530593 A CN106530593 A CN 106530593A CN 201611169726 A CN201611169726 A CN 201611169726A CN 106530593 A CN106530593 A CN 106530593A
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- 239000000779 smoke Substances 0.000 title claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000004804 winding Methods 0.000 claims description 52
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 238000004891 communication Methods 0.000 claims description 23
- 230000000087 stabilizing effect Effects 0.000 claims description 21
- 239000013078 crystal Substances 0.000 claims description 20
- 230000005611 electricity Effects 0.000 claims description 14
- 230000008021 deposition Effects 0.000 claims description 12
- 235000019504 cigarettes Nutrition 0.000 claims description 11
- 230000003321 amplification Effects 0.000 claims description 10
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 10
- DNTFEAHNXKUSKQ-RFZPGFLSSA-N (1r,2r)-2-aminocyclopentane-1-sulfonic acid Chemical compound N[C@@H]1CCC[C@H]1S(O)(=O)=O DNTFEAHNXKUSKQ-RFZPGFLSSA-N 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 230000005622 photoelectricity Effects 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims 1
- 230000009466 transformation Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 8
- 230000009514 concussion Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
Abstract
The invention discloses a wireless smoke controller for simultaneously connecting a fire fighting system and an intelligent building system. The wireless smoke controller is characterized in that the wireless smoke controller comprises a control module, a photoelectric smoke sensing module, a power supply module and a wireless transmission module, the photoelectric smoke sensing module and the wireless transmission module are connected to the control module, the control module is also connected to the fire fighting system and the intelligent building system, the fire fighting system and the control system are connected by a fire fighting bus, the intelligent building system and the control system are connected by a wireless module, the power supply module supplies power to the control module and the wireless transmission module, and the photoelectric smoke sensing module provides detection signals for the fire fighting module and the control module. The wireless smoke controller can be used for the fire fighting system and the intelligent building system at the same time and has the advantages of convenient installation, low cost and high practicability.
Description
Technical field
The present invention relates to intelligent building smoke detection technical field, specifically a kind of to connect fire-fighting system and intelligence simultaneously
The wireless smoke sense controller of energy building system.
Background technology
With the continuous development of society, home safety is the basis that people live and work in peace and contentment, and the weight of the harmonious society that builds together
Want link.Especially than residential block relatively decentralized, that the remote, environment of comparison is relatively complicated, security situation allows of no optimist, tradition
Entrance guard is on duty and the security administration means such as security guard patrol have not adapted to the needs that house safety is ensured under the new situation.Cause
This, intelligent building has been put on agenda.
Intelligent building has higher requirement to environment, safety etc., needs the smog inside and outside timely detecting chamber, so that intelligence is built
Build cloud control software to adjust system equipment, need the indoor smoke condition of detection in time.By existing sense cigarette controller it is
Fire-fighting equipment, the fire-fighting system of connection, building intelligent system cannot collect smoke signal.And existing communication network is adopted
Cable network, has the cost of installation and use of network high, and needs to accomplish strong and weak electric isolution, the mode of connection in networking
Need in strict conformity with relevant criterion, have certain requirement to applied environment, connect up sufficiently complex.
The content of the invention
To overcome the shortcomings of that above-mentioned prior art is present, it is an object of the invention to provide one kind can connect fire-fighting system simultaneously
The wireless smoke sense controller of system and the intelligence building system, easy for installation, low cost are practical.
The technical solution adopted for the present invention to solve the technical problems is：It is a kind of to connect fire-fighting system and intelligent building simultaneously
The wireless smoke sense controller of system, is characterized in that：Including control module, photoelectric smoke module, power module and wireless transmit mould
Block, the photoelectric smoke module, wireless transmitter module are all connected with control module, and the control module is also connected with fire-fighting system and intelligence
Energy building system, the fire-fighting system are connected by fire-fighting bus with control system, and the intelligence building system is passed through with control system
Wireless module connects, and the power module is that control module and wireless transmitter module are powered, and the photoelectricity cigarette sense module is fire-fighting
Module and control module provide detection signal；
The power module includes switching power circuit and voltage conversion circuit, and the switching power circuit includes band feedback
The transformator of winding, rectification circuit, buffer circuit, rectification stabilizing circuit and PWM oscillating circuits are absorbed, it is described with feedback winding
Transformator includes primary side winding Np, vice-side winding Ns and feedback winding Nf, and primary side winding Np connects absorption buffering electricity respectively
Road and PWM oscillating circuits, the feedback winding Nf connection rectification stabilizing circuit and PWM oscillating circuits, the vice-side winding Ns connect
Connect the voltage conversion circuit；
The wireless transmitter module includes RF transmit-receive circuit and wireless amplifying circuit, and the RF transmit-receive circuit includes penetrating
Frequency transceiver U1, the wireless amplifying circuit include radio transmitting and receiving chip U2 and equalization filter U3, the RF transmit-receive circuit
The signal for receiving the control module is sent to the intelligence building system, the wireless amplification Jing after the amplification of wireless amplifying circuit
Circuit is connected by antenna with the intelligence building system.
Preferably, also including fire-fighting circuit, the fire-fighting circuit is connected by fire-fighting two lines bus with fire-fighting system, described to disappear
Anti- circuit includes code communication special IC, is realized by code communication chip U6.
Preferably, the photoelectricity cigarette sense module includes infrared circuit, and the infrared circuit includes being sequentially connected
Infrared transmitting circuit, infrared receiving circuit and signal amplification circuit, signal is amplified to be input to the code communication chip
U6 and the control module
Preferably, the switching power circuit also includes filter circuit, the filter circuit access the rectification circuit and
Absorb between buffer circuit, the rectification circuit includes diode D2, D3, D6 and D7, the power module also includes electric fuse
The negative pole of the positive pole and D6 of F1, the diode D2 is connected with live wire by the electric fuse F1 respectively, the diode D3's
The negative pole connection zero line of positive pole and D7, the negative pole of diode D2 and D3 are all connected with one end of inductance LD1, and the filter circuit includes
Electric capacity CD5 and CD6, one end of the electric capacity CD5 connect one end of inductance LD1, the other end connection electric capacity CD6's of inductance LD1
One end, another termination AC deposition end of the positive pole and electric capacity CD5, CD6 of described diode D6, D7, the power module also include
Caching resistance, the caching resistance include the resistance RD1 and RD2 being connected in series, and one end of the resistance RD1 connects absorption respectively
The other end of buffer circuit, 1 tap of primary side winding Np and the inductance LD1, the other end connection resistance RD2's of resistance RD1
One end, the other end of resistance RD2 connect rectification stabilizing circuit respectively and exchange ground terminal, and the absorption buffer circuit includes resistance
RD2, electric capacity CD1 and diode D4, one end of the resistance RD2 and electric capacity CD1 are all connected with the 1 of transformer primary side winding Np and take out
Head, 2 taps of primary side winding Np connect the positive pole of diode D4, and the negative pole of diode D4 connects resistance RD2 and electric capacity CD1 respectively
The other end.
Preferably, the PWM oscillating circuits include switch chip UD1, model CR6235 of switch chip UD1, switch
5 pins of chip UD1 connect 2 taps of primary side winding, and feedback winding Nf connects rectification stabilizing circuit and PWM vibrations respectively
Circuit, the rectification stabilizing circuit include electric capacity CD7 and diode D5, and 4 taps of feedback winding Nf connect two poles respectively
One end of the positive pole and resistance RD5 of pipe D4, one end of negative pole connection electric capacity CD7 and the 1 of switch chip UD1 of diode D5 are managed
Foot, one end of electric capacity CD7 are also connected with the other end of resistance RD4, another termination AC deposition end of electric capacity CD7, and resistance RD5's is another
End connects 3 pins of one end, the negative pole of diode D8 and switch chip UD1 of resistance RD6 respectively, and the other end of resistance RD6 connects
One end of connecting resistance RD8, another termination AC deposition end of resistance RD8,2 pins of switch chip UD1 are grounded by electric capacity CD8, and 4
Pin connects one end of resistance RD7 and R3 respectively, another termination AC deposition end of resistance RD7 and R3, and 7, the 8 of switch chip UD1
Pin connects exchange ground terminal, and 5,6 pins connect 2 taps of primary side winding Np.
Preferably, the voltage conversion circuit includes two-stage voltage conversion, and first order voltage conversion is by vice-side winding Ns's
Photovoltaic conversion is Vcc, and voltage vcc is converted into 3.3V voltages by second level photovoltaic conversion.
Preferably, model nRF224L01 of the RF transceiver U1, the model of the wireless receiving chip U2
RFX2401C, model 2450BM14A002 of the equalization filter U3.
Preferably, the RF transmit-receive circuit also includes crystal oscillating circuit, and the crystal oscillating circuit connection radio frequency is received
Device U1 is sent out, the crystal oscillating circuit includes crystal oscillator Y1, resistance R6 and electric capacity C14, C15, and the crystal oscillator Y1 is in parallel with resistance R6
It is connected between 9,10 pins of RF transceiver U1, one end of the resistance R6 is grounded by electric capacity C14, the other end is by electricity
Hold C15 ground connection；1 pin of RF transceiver U1 is connected with control module, and 7,15,18 pins connect 3.3V voltages, 14,17,20 pipes
Foot is grounded, and 16 pins are grounded by resistance R1, and 19 pins are grounded by electric capacity C5, and 11,12,13 pins connect the wireless amplification
Circuit.
Preferably, 3,4,5 pins of the equalization filter U3 connect the RF transmit-receive circuit, the equalization filter
3,4,5 pins of U3 connect 13,12,11 pins of RF transceiver U1,2, the 6 pins ground connection of equalization filter U3,1 pipe respectively
Foot connects 4 pins of the radio transmitting and receiving chip U2, and 5 pins of equalization filter U3 are also respectively connected with electric capacity C13, resistance R2
One end, the other end ground connection of electric capacity C13, the other end of resistance R2 connect 5 pins of radio transmitting and receiving chip U2, radio transmitting and receiving chip
1～3 pin ground connection of U2,6 pins connect one end of resistance R4, R5, another termination 3.3V voltage of resistance R4, resistance R5 respectively
Other end ground connection, 7,8,9,11,12 pins of radio transmitting and receiving chip U2 are grounded, and 10 pins connect one end of electric capacity C8, electricity
The other end for holding C8 connects one end of inductance L2, L3 respectively, and the other end ground connection of inductance L3, another termination antenna of inductance L2 connect
Mouth ANT, installs transmitting antenna at antennal interface ANT, 14,16 pins of radio transmitting and receiving chip U2 connect 3.3V voltages, 14,17 pipes
Foot is grounded, and 14,17 pins are also respectively connected with one end of electric capacity C1～C4, and it is electric that the other end of electric capacity C1～C4 is all connected with 3.3V
Pressure.
Preferably, the control module includes microcontroller U5, model ATmega16, the code communication chip U6 types
Number be QA840119.
The invention has the beneficial effects as follows：Compared with prior art, control module of the invention connect respectively fire-fighting system and
The intelligence building system, makes the present invention can be while connecting fire-fighting system and intelligent Building System, it is ensured that the safety of building, reduces
The maintenance work of equipment；
Collection of the intelligence building system to cigarette sense signal is realized using communication, the wiring work of complexity is eliminated
Make, in-site installation is convenient；The side that the wireless transmitter module of the present invention is combined using RF transmit-receive circuit and wireless amplifying circuit
Formula, improves the stability of radio transmitted power, emission rate and transmission；
The PWM oscillating circuits of the present invention are controlled using primary side feedback using constant pressure and flow, simplify power supply architecture, are reduced
Fault rate；
Switch chip UD1 is suitable for low starting current, and low operating current, built-in soft starting circuit prevent power supply disturbance；
Built-in frequency jitter is improving EMI characteristics, built-in primary side winding inductance compensation；Possess under-voltage protection, overvoltage protection and vdd voltage
Protection；
Power module design multiple-stage filtering structure and induction structure, effectively reduce EMC interference, provide reliably for rear class
Power supply；The linear voltage stabilization combination that Switching Power Supply is employed with voltage conversion circuit produces 3.3V voltages, it is ensured that the power supply
Degree of purity；Absorb buffer circuit and absorb the inverse electromotive force produced because of switch concussion, protection switch chip UD1；Feedback
End using back discharge diode D8, the concussion for preventing circuit energy storage and causing；Magnetic feedback switch Power Management Design, reduces power supply
Design difficulty, reduce power volume, at the same also improve power supply stability；
Fire-fighting circuit and microcontroller U5 connections, realize wireless encoding, are easy to debugging.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the circuit diagram of switching power circuit of the present invention；
Fig. 3 A are the circuit diagrams of first order voltage conversion circuit of the present invention；
Fig. 3 B are the circuit diagrams of second level voltage conversion circuit of the present invention；
Fig. 4 is the pin schematic diagram of microcontroller of the present invention；
Fig. 5 is the circuit diagram of fire-fighting circuit of the present invention；
Fig. 6 is cigarette sense detection circuit circuit diagram of the present invention；
Fig. 7 is the circuit diagram of RF transmit-receive circuit of the present invention；
Fig. 8 is the circuit diagram of wireless amplifying circuit of the present invention.
Specific embodiment
Clearly to illustrate the technical characterstic of this programme, below by specific embodiment, and its accompanying drawing is combined, to this
It is bright to be described in detail.
As shown in figure 1, the present invention a kind of is while connect the wireless smoke sense controller of fire-fighting system and the intelligence building system,
It is characterized in that：Including control module, photoelectric smoke module, power module and wireless transmitter module, the photoelectric smoke module, nothing
Line transmitter module is all connected with control module, and the control module is also connected with fire-fighting system and the intelligence building system, the fire-fighting system
System is connected by fire-fighting bus with control system, and the intelligence building system is connected by wireless module with control system, the power supply
Module is that control module and wireless transmitter module are powered, and the photoelectricity cigarette sense module is that fire-fighting module and control module provide detection
Signal, control module are responsible for carrying out geocoding to fire-fighting module and gathering cigarette sense signal, and control module is by the cigarette sense for collecting
Signal connects wireless transmitter module by SPI interface after carrying out computing, while receive encoded signal, control fire-fighting address, and fall
Electricity is preserved.
As shown in Fig. 2,3A, 3B, the power module includes switching power circuit and voltage conversion circuit, the switch electricity
Source circuit includes the transformator with feedback winding, rectification circuit, absorbs buffer circuit, rectification stabilizing circuit and PWM oscillating circuits,
The transformator with feedback winding includes primary side winding Np, vice-side winding Ns and feedback winding Nf, primary side winding Np point
Buffer circuit and PWM oscillating circuits, the feedback winding Nf connection rectification stabilizing circuit and PWM oscillating circuits Lian Jie not be absorbed,
The vice-side winding Ns connects the voltage conversion circuit；The voltage conversion circuit includes two-stage voltage conversion, first
Step voltage is changed the photovoltaic conversion of vice-side winding Ns as Vcc, and voltage vcc is converted into 3.3V voltages by second level photovoltaic conversion.
The switching power circuit also includes filter circuit, and the filter circuit accesses the rectification circuit and absorbs buffering
Between circuit, the rectification circuit includes diode D2, D3, D6 and D7, and the power module also includes electric fuse F1, described two
The negative pole of the positive pole and D6 of pole pipe D2 is connected with live wire by the electric fuse F1 respectively, the positive pole and D7 of the diode D3
Negative pole connects zero line, and the negative pole of diode D2 and D3 is all connected with one end of inductance LD1, the filter circuit include electric capacity CD5 and
One end of CD6, the electric capacity CD5 connects one end of inductance LD1, and the other end of inductance LD1 connects one end of electric capacity CD6, described
Another termination AC deposition end of the positive pole and electric capacity CD5, CD6 of diode D6, D7, the power module also include caching resistance,
The caching resistance includes the resistance RD1 and RD2 that are connected in series, one end of the resistance RD1 connect respectively absorption buffer circuit,
1 tap of primary side winding Np and the other end of the inductance LD1, the other end of resistance RD1 connect one end of resistance RD2, resistance
The other end of RD2 connects rectification stabilizing circuit respectively and exchanges ground terminal, and the absorption buffer circuit includes resistance RD2, electric capacity CD1
With diode D4, one end of the resistance RD2 and electric capacity CD1 is all connected with 1 tap of transformer primary side winding Np, primary side winding Np
2 taps connect the positive pole of diode D4, the negative pole of diode D4 connects the other end of resistance RD2 and electric capacity CD1 respectively.
The PWM oscillating circuits include switch chip UD1, model CR6235 of switch chip UD1, switch chip UD1
5 pins connect 2 taps of primary side winding, feedback winding Nf connects rectification stabilizing circuit and PWM oscillating circuits, institute respectively
Stating rectification stabilizing circuit includes electric capacity CD7 and diode D5, and 4 taps of feedback winding Nf are just connecting diode D4 respectively
Pole and one end of resistance RD5, the negative pole of diode D5 connects one end of electric capacity CD7 and 1 pin of switch chip UD1, electric capacity
One end of CD7 is also connected with the other end of resistance RD4, another termination AC deposition end of electric capacity CD7, the other end difference of resistance RD5
3 pins of one end, the negative pole of diode D8 and switch chip UD1 of connection resistance RD6, the other end connection resistance of resistance RD6
One end of RD8, another termination AC deposition end of resistance RD8,2 pins of switch chip UD1 are grounded by electric capacity CD8,4 pins point
Not Lian Jie resistance RD7 and R3 one end, another termination AC deposition end of resistance RD7 and R3,7,8 pins of switch chip UD1 are equal
Exchange ground terminal is connect, 5,6 pins connect 2 taps of primary side winding Np.
The PWM oscillating circuits of the present invention are controlled using primary side feedback using constant pressure and flow, simplify power supply architecture, are reduced
Fault rate；
The switch chip UD1 is suitable for low starting current, and low operating current, built-in soft starting circuit prevent power supply
Interference；Built-in frequency jitter is improving EMI characteristics, built-in primary side winding inductance compensation；Possess under-voltage protection, overvoltage protection and
Vdd voltage is protected；
The operation principle of the switching power circuit is：Power supply passes through electric fuse F1, rectification circuit and filtered electrical first
It is to prevent impact of the rear class oscillating circuit to leading portion power supply to hold CD5, CD6 and inductance LD1, inductance LD1.The caching resistance can allow
System realizes soft start, starts, realize soft start after voltage reaches the startup voltage of the switch chip UD1.The RCD inhales
Receive buffer circuit and absorb the negative sense induced voltage that the PWM concussion closings of switch chip UD1 cause, protection switch chip UD1.It is described
Rectification stabilizing circuit provides running voltage for UD1.The bleeder circuit provides feedback for the bleeder circuit inside switch chip UD1
Voltage, is compared with the 2.0V reference voltages inside switch chip UD1, adjusts concussion frequency.Back discharge diode D8, prevents electricity
Road energy storage and the concussion that causes.Circuit produces concussion under the work of switch chip UD1, and main winding concussion, auxiliary winding produce electricity
Pressure.
The first order voltage conversion circuit includes diode D1, the positive pole connection vice-side winding Ns's of the diode D1
8 taps, the negative pole of diode D1 connect one end of electric capacity CD1 and one end of inductance L1 respectively, and the other end of inductance L1 connects respectively
Meet one end and one end of short dot DT1 of electric capacity CD2, CD3 and resistance RD3, the other end output voltage Vcc of short dot DT1, institute
State one end of another termination short dot DT2 of electric capacity CD2, CD3 and resistance RD3, the other end ground connection of short dot DT2；
The second level voltage conversion circuit includes voltage stabilizing chip U4 and filter capacitor, the filter capacitor include C9～
C12, one end of described electric capacity C11, C9 connect 3 pins of voltage vcc and voltage stabilizing chip U4,3,4 pipes of voltage stabilizing chip U4 respectively
Foot is all connected with one end of electric capacity C10, C12 and exports 3.3V voltages, and the other end of the electric capacity C9～C12 is grounded.
Power module of the present invention is employed Switching Power Supply and is produced with the linear voltage stabilization combination of voltage conversion circuit
3.3V voltages, it is ensured that the degree of purity of the power supply.Simultaneously power module design multiple-stage filtering structure and induction structure, effectively reduces
EMC interference, provides reliable power supply for rear class.
Preferably, the value of the inductance LD1 is 1mH, and electric capacity CD1～CD8, C9～C12's is respectively 100pF, 10V/470
μF、25V/470μF、16V/1000μF、400V/4.7μF、400V/4.7μF、400V/4.7μF、0.1μF、100μF/16V、100μ
F/16V, 100nF, 100nF, the resistance value of resistance RD1～RD8, R3 be respectively 750K Ω, 270K Ω, 510 Ω, 750K Ω,
6.9K Ω, 0-2K Ω, 4.7 Ω, 2.4K Ω, 4.7 Ω, diode D1, D4, D5, D8 be respectively SB360, UF4007, FR104,
4148, switch chip UD1 are CR6235, and voltage stabilizing chip U4 is AMS117-3.3.
As shown in figure 4, model ATmega16 of microcontroller U5, the microcontroller has high data throughput, can
Contradiction with relieving system between power consumption and processing speed.Wherein 30～37 pins are port A, are the inputs of A/D converter
End；40～44,1～3 pin is port B, and 19～26 pins are port C, and 9～16 pins are port D, and port B, C, D are 8
Two-way I/O mouths, with programmable internal pull-up resistor.27 pins are the power supplys of port A and A/D converter.29 pins are A/D
Simulation benchmark input end.
The analog quantity output signals input port C of the code communication chip U6 of fire-fighting circuit, port C are sent to microcontroller
U5 makes which produce corresponding actions.4 pins of U5 are RESET ends, and RESET ends circumscribing discharge circuit realizes power-off reset function, institute
Stating discharge circuit includes resistance R30, R28, diode D18 and electric capacity 24, one end connection microcontroller U5 morals of the resistance R30
Pin, the other end connect the positive pole of diode D18 and electric capacity C24, one end of resistance R28, the negative pole and electricity of diode D18 respectively
The other end of resistance R28 connects Vcc voltage, the other end ground connection of electric capacity C24.The external crystal oscillating circuit of 7,8 pins of microcontroller U5,
Oscillation frequency clock, 36,37 pins, external light emitting diode, with indicative function are provided for U5.The crystal oscillating circuit includes crystalline substance
Shake Y2, resistance R21 and electric capacity C20, C21, and 7 pins of the microcontroller U5 connect resistance R21, crystal oscillator Y2 and electric capacity respectively
One end of C20,8 pins connect one end of crystal oscillator Y2, the other end of resistance R21 and electric capacity C21 respectively, and electric capacity C20, C21's is another
One end is grounded.37 pins of microcontroller U5 connect one end of resistance R22, the other end connection diode D15's of resistance R22
Negative pole, the positive pole connection 3.3V voltages of diode D15,36 pins connect one end of resistance R24, another termination two of resistance R24
The negative pole of pole pipe D16, the positive pole of diode D16 connect 3.3V voltages.Microcontroller U5 6,18,28,39 pins ground connection, 5,17,
38 pins connect power Vcc, and 27 pins connect one end of inductance L4, and the other end of L4 connects the one of power Vcc and electric capacity C17 respectively
End, the other end ground connection of power supply C17,29 pins are grounded by electric capacity C16.
Preferably, the value of described electric capacity C16, C17, C20, C21, C24 be respectively 0.1 μ F, 0.1 μ F, 20pF, 20pF, 0.1
μ F, the value of resistance R21, R22, R24, R28, R30 are respectively 1M Ω, 1K Ω, 1K Ω, 10K Ω, 3.3K Ω, diode D15, D16
For light emitting diode D-LED, diode D18 is IN4148.
As shown in figure 5, the fire-fighting circuit adopts code communication chip U6, model QA840119, the code communication
Chip U6 connects fire-fighting system by fire-fighting two lines bus, and fire-fighting system is connected by S+, S- binding post, by rectifier bridge stack DZ1
Realize reversal, rectifier bridge stack DZ1 models RS206.The V- ends ground connection of rectifier bridge stack DZ1, V+ ends connect voltage stabilizing two respectively
One end of the negative pole and resistance R14, R19, R23 of pole pipe DW1, Zener diode DW1 shield to circuit.Resistance R19's
One end is also connected with the colelctor electrode of audion T5, and audion T5 is composed in series by two 9013 audions, the base stage of audion T5
The negative pole of the other end and Zener diode DW2 of connection resistance R19, the plus earth of Zener diode DW2, audion T5's are sent out
Emitter-base bandgap grading connects the positive pole of diode D14, and the negative pole of diode D14 connects electric capacity C18, one end of resistance R17 and audion respectively
The colelctor electrode of T7, T6, the other end ground connection of electric capacity C18, one end of another terminating resistor R20 of resistance R17, resistance R20's is another
One end connects the base stage of the negative pole of Zener diode DW4 and audion T7, the plus earth of Zener diode DW4, three poles respectively
Pipe T7 and T6 is connected in series, and the emitter stage of audion T6 connects electric capacity C19, one end of resistance R27, the transmitting of audion T8 respectively
K0～the K2 of pole and code communication chip U6, Vcc, AVcc, REF pin, the other end ground connection of electric capacity C19, microcontroller U5 lead to
A1～A8 the pins for crossing code communication chip U6 carry out geocoding, the ACND pins ground connection of code communication chip U6, VC pins
It is grounded by electric capacity C22, PDB pins are connected with CTR pins, between R1, R0 pin, connects resistance R18, VDD pins connects respectively
One end of resistance R16 and CTR pins, T1, B1 pin connect the positive pole of diode D13, D12 respectively, and diode D12, D13's is negative
Pole is all connected with one end of resistance R8, and the other end of resistance R8 connects one end of resistance R9 and the base stage of audion T2, resistance respectively
The other end ground connection of R9, the colelctor electrode of audion T2 connect one end of resistance R7, grounded emitter, the other end connection of resistance R7
The negative pole of diode D11, the positive pole of diode D11 connect one end of resistance R10, R14 respectively, and the positive pole of diode D11 also connects
Connect the V+ ends of rectifier bridge stack DZ1, the colelctor electrode of the other end connecting triode T3 of resistance R10, the grounded emitter of audion T3,
Base stage connects one end of resistance R11, and the colelctor electrode of the other end connecting triode T4 of resistance R14, the emitter stage of audion T4 connect
Ground, the other end of base stage connecting resistance R16.The negative pole of another termination Zener diode DW3 of resistance R23, Zener diode DW3's
One end of the base stage and resistance R26 of positive pole difference connecting triode Q1, the other end ground connection of resistance R26, the transmitting of audion Q2
Pole is grounded, and colelctor electrode connects one end of resistance R25, R27 and R28, the other end connection Zener diode DW5 of resistance R35 respectively
Positive pole, the base stage of the negative pole connecting triode T8 of Zener diode DW5, the emitter stage of audion T8 connect resistance R27 respectively
The other end and audion T6 emitter stage, the colelctor electrode of the colelctor electrode connecting triode Q2 of audion T8, the base of audion Q2
Pole connects the other end of resistance R29, grounded emitter.
Signal voltage is input into from the ADI ends of code communication chip U6, audion T5, T6, T7 composition power supply circuits, audion
The circuit of Q1, Q2, T8 composition is two lines bus code detection circuits, it is easy to code communication chip U6 to carry out fire-fighting transmission signal
Code detection.The return code transmission electricity that the serial data of the CTR ends output of code communication chip U6 is constituted via audion T3, T4
Road carries out electric current superposition, detects for the sampling of signaling end.The resistance of resistance R18 affects the size of decoding speed and power consumption, the present invention
Elect resistance R18 as 25K Ω, it is ensured that coding rate reaches 1US, power consumption is 1MA.
Preferably, the resistance value of described resistance R7～R11, R14, R16～R20, R23, R25～R27, R29 is respectively 15K
Ω、15KΩ、120KΩ、330Ω、15KΩ、200Ω、15KΩ、330KΩ、470KΩ、470KΩ、33KΩ、300KΩ、
100K Ω, 51K Ω, 120K Ω, 100K Ω, the capacitance of electric capacity C18, C19, C22 are respectively 100 μ F, 100 μ F, 1 μ F.
As shown in fig. 6, the photoelectricity cigarette sense module includes infrared circuit, the infrared circuit includes connecting successively
Infrared transmitting circuit, infrared receiving circuit and the signal amplification circuit for connecing, signal is amplified to be input to the code communication core
Piece U6 and the control module.The infrared transmitting circuit includes infrared-emitting diode JIR-1, infrared-emitting diode JIR-
1 positive pole connects one end, the emitter stage of audion T10 of the negative pole of diode D9, D10 and resistance R103, diode D9 respectively
Positive pole connecting triode T6 colelctor electrode, diode D10 positive pole connection power Vcc, diode JIR-1 negative pole connection electricity
One end of resistance R102, the colelctor electrode of the other end connecting triode T9 of resistance R102, the base stage connection resistance R101 of audion T9
One end, the other end of resistance R101 connects the CTR pins of code communication chip U6, the grounded emitter of audion T9.It is described
The infrared external reflection diode JIR-1 of infrared transmitting circuit, launches infrared light, controls tranmitting frequency, audion by the signal of CTR
T9 plays amplification；The infrared receiving circuit includes infrared receiving diode LT1, and the positive pole of infrared receiving diode LT1 connects
One end of filter circuit J1 and resistance R104, the other end ground connection of resistance R104, the negative pole of infrared receiving diode LT1 connect respectively
One end of electric capacity C102 resistance R106, R107 is connect, the other end of resistance R106 connects one end and the filtered electrical of resistance R105 respectively
The colelctor electrode of the other end difference connecting triode T10 of road J1, resistance R105 and one end of electric capacity C101, electric capacity C101's is another
End connects the positive pole of resistance R108, one end of electric capacity C103 and diode D17 respectively, resistance R107, electric capacity C101, C102 it is another
One end is grounded, and the negative pole of diode D17 connects power Vcc.After infrared receiving diode LT1 receives signal, by filtered electrical
Road J1 filter and amplifying circuit to signal amplification after, obtain collection voltages signal, Jing ADI ends be input to code communication chip U6 and
Microcontroller U5.
Preferably, the value of resistance R101～R108 is respectively 1M Ω, 150 Ω, 68K Ω, 3.9M Ω, 43K Ω, 2K Ω, 1M
The value of Ω, 48K Ω, electric capacity C101～C103 is respectively 224F, 684F, 0.1 μ F.
As shown in Figure 7,8, the wireless transmitter module includes RF transmit-receive circuit and wireless amplifying circuit, and the radio frequency is received
Power Generation Road includes RF transceiver U1, and the wireless amplifying circuit includes radio transmitting and receiving chip U2 and equalization filter U3, described
RF transmit-receive circuit receives the signal of the control module and is sent to the intelligence building system Jing after the amplification of wireless amplifying circuit,
The wireless amplifying circuit is connected by antenna with the intelligence building system.The intelligence building system pair is realized using communication
The collection of dry signal, eliminates the installation work of complexity, and in-site installation is convenient, and wireless transmitter module adopts radio-frequency receiving-transmitting in addition
The mode that circuit and wireless amplifying circuit combine, improves the stability of radio transmitted power, emission rate and transmission.
As shown in fig. 7, the RF transmit-receive circuit also includes crystal oscillating circuit, the crystal oscillating circuit connects radio frequency
Transceiver U1, the crystal oscillating circuit include crystal oscillator Y1, resistance R6 and electric capacity C14, C15, and the crystal oscillator Y1 and resistance R6 is simultaneously
Connection is connected between 9,10 pins of RF transceiver U1, and one end of the resistance R6 is grounded by electric capacity C14, and the other end passes through
Electric capacity C15 is grounded；1 pin of RF transceiver U1 is connected with control module, and 7,15,18 pins connect 3.3V voltages, and 7 pins also divide
Not Lian Jie electric capacity C6, C7 one end, electric capacity C6, C7 the other end ground connection, 14,17,20 pins ground connection, 16 pins pass through resistance R1
Ground connection, 19 pins are grounded by electric capacity C5, and 11,12,13 pins connect the wireless amplifying circuit.
As shown in figure 8,3,4,5 pins of the equalization filter U3 connect the RF transmit-receive circuit, the balanced filter
3,4,5 pins of ripple device U3 connect 13,12,11 pins of RF transceiver U1 respectively, and 2,6 pins of equalization filter U3 connect
Ground, 1 pin connect 4 pins of the radio transmitting and receiving chip U2, and 5 pins of equalization filter U3 are also respectively connected with electric capacity C13, electricity
One end of resistance R2, the other end ground connection of electric capacity C13, the other end of resistance R2 connect 5 pins of radio transmitting and receiving chip U2, wireless to receive
1～3 pin ground connection of chip U2 is sent out, 6 pins connect one end of resistance R4, R5 respectively, another termination 3.3V voltage of resistance R4,
The other end ground connection of resistance R5,7,8,9,11,12 pins of radio transmitting and receiving chip U2 are grounded, and the one of 10 pins connection electric capacity C8
End, the other end of electric capacity C8 connect one end of inductance L2, L3, the other end ground connection of inductance L3, another termination of inductance L2 respectively
Antennal interface ANT, installs transmitting antenna at antennal interface ANT, 14,16 pins of radio transmitting and receiving chip U2 connect 3.3V voltages,
14th, 17 pins are grounded, and 14,17 pins are also respectively connected with one end of electric capacity C1～C4, and the other end of electric capacity C1～C4 is all connected with
3.3V voltage.
Preferably, the control module includes microcontroller U5, model ATmega16.The type of the RF transceiver U1
Number be nRF224L01, model RFX2401C of the wireless receiving chip U2, the model of the equalization filter U3
2450BM14A002。
Preferably, the capacitance of the electric capacity C1～C8, C13～C15 be respectively 100 μ F, 10nF, 220pF, 2.2 μ F,
33nF, 10nF, 1nF, 2.2pF, 2.2nF, 22pF, 22pF, the value of resistance R1, R2, R4～R6 are respectively 22K Ω, 10K Ω, 10K
Ω, 22K Ω, 1M Ω, the value of inductance L2, L3 are respectively 3.9nH, 1nH, and crystal oscillator Y1 is 16MHz.
The above is the preferred embodiment of the present invention, for those skilled in the art,
Without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also regarded as this
Bright protection domain.
Claims (10)
1. a kind of while connect the wireless smoke sense controller of fire-fighting system and the intelligence building system, it is characterized in that：Including control mould
Block, photoelectric smoke module, power module and wireless transmitter module, the photoelectric smoke module, wireless transmitter module are all connected with control
Molding block, the control module are also connected with fire-fighting system and the intelligence building system, and the fire-fighting system is with control system by disappearing
Anti- bus connection, the intelligence building system are connected by wireless module with control system, and the power module is control module and nothing
Line transmitter module is powered, and the photoelectricity cigarette sense module is that fire-fighting module and control module provide detection signal；
The power module includes switching power circuit and voltage conversion circuit, and the switching power circuit includes band feedback winding
Transformator, rectification circuit, absorb buffer circuit, rectification stabilizing circuit and PWM oscillating circuits, the transformation with feedback winding
Device includes primary side winding Np, vice-side winding Ns and feedback winding Nf, primary side winding Np connect respectively absorption buffer circuit and
PWM oscillating circuits, the feedback winding Nf connection rectification stabilizing circuit and PWM oscillating circuits, the vice-side winding Ns connect institute
State voltage conversion circuit；
The wireless transmitter module includes RF transmit-receive circuit and wireless amplifying circuit, and the RF transmit-receive circuit includes that radio frequency is received
Device U1 is sent out, the wireless amplifying circuit includes radio transmitting and receiving chip U2 and equalization filter U3, and the RF transmit-receive circuit is received
The signal of the control module is sent to the intelligence building system, the wireless amplifying circuit Jing after the amplification of wireless amplifying circuit
It is connected by antenna with the intelligence building system.
2. according to claim 1 a kind of while connect the wireless smoke sense controller of fire-fighting system and the intelligence building system,
It is characterized in that：Also include fire-fighting circuit, the fire-fighting circuit is connected by fire-fighting two lines bus with fire-fighting system, the fire-fighting circuit
Including code communication special IC, realized by code communication chip U6.
3. according to claim 2 a kind of while connect the wireless smoke sense controller of fire-fighting system and the intelligence building system,
It is characterized in that：The photoelectricity cigarette sense module includes infrared circuit, and it is infrared that the infrared circuit includes being sequentially connected
Radiating circuit, infrared receiving circuit and signal amplification circuit, signal is amplified to be input to the code communication chip U6 and institute
State control module.
4. according to claim 2 a kind of while connect the wireless smoke sense controller of fire-fighting system and the intelligence building system,
It is characterized in that：The switching power circuit also includes filter circuit, and the filter circuit accesses the rectification circuit and absorbs slow
Rush between circuit, the rectification circuit includes diode D2, D3, D6 and D7, and the power module also includes electric fuse F1, described
The negative pole of the positive pole and D6 of diode D2 is connected with live wire by the electric fuse F1 respectively, the positive pole and D7 of the diode D3
Negative pole connection zero line, the negative pole of diode D2 and D3 is all connected with one end of inductance LD1, and the filter circuit includes electric capacity CD5
And one end of CD6, the electric capacity CD5 connects one end of inductance LD1, the other end of inductance LD1 connects one end of electric capacity CD6, institute
Another termination AC deposition end of the positive pole and electric capacity CD5, CD6 of diode D6, D7 is stated, the power module also includes caching electricity
Resistance, the caching resistance include the resistance RD1 and RD2 being connected in series, and one end of the resistance RD1 connects absorption caching electricity respectively
The other end on road, 1 tap of primary side winding Np and the inductance LD1, the other end of resistance RD1 connect one end of resistance RD2, electricity
The other end of resistance RD2 connects rectification stabilizing circuit respectively and exchanges ground terminal, and the absorption buffer circuit includes resistance RD2, electric capacity
CD1 and diode D4, one end of the resistance RD2 and electric capacity CD1 are all connected with 1 tap of transformer primary side winding Np, former limit around
2 taps of group Np connect the positive pole of diode D4, and the negative pole of diode D4 connects the other end of resistance RD2 and electric capacity CD1 respectively.
5. according to claim 4 a kind of while connect the wireless smoke sense controller of fire-fighting system and the intelligence building system,
It is characterized in that：The PWM oscillating circuits include switch chip UD1, model CR6235 of switch chip UD1, switch chip UD1
5 pins connect 2 taps of primary side winding, feedback winding Nf connects rectification stabilizing circuit and PWM oscillating circuits, institute respectively
Stating rectification stabilizing circuit includes electric capacity CD7 and diode D5, and 4 taps of feedback winding Nf are just connecting diode D4 respectively
Pole and one end of resistance RD5, the negative pole of diode D5 connects one end of electric capacity CD7 and 1 pin of switch chip UD1, electric capacity
One end of CD7 is also connected with the other end of resistance RD4, another termination AC deposition end of electric capacity CD7, the other end difference of resistance RD5
3 pins of one end, the negative pole of diode D8 and switch chip UD1 of connection resistance RD6, the other end connection resistance of resistance RD6
One end of RD8, another termination AC deposition end of resistance RD8,2 pins of switch chip UD1 are grounded by electric capacity CD8,4 pins point
Not Lian Jie resistance RD7 and R3 one end, another termination AC deposition end of resistance RD7 and R3,7,8 pins of switch chip UD1 are equal
Exchange ground terminal is connect, 5,6 pins connect 2 taps of primary side winding Np.
6. according to claim 5 a kind of while connect the wireless smoke sense controller of fire-fighting system and the intelligence building system,
It is characterized in that：The voltage conversion circuit includes two-stage voltage conversion, and the voltage of vice-side winding Ns is turned by first order voltage conversion
Vcc is turned to, voltage vcc is converted into 3.3V voltages by second level photovoltaic conversion.
7. according to claim 2 a kind of while connect the wireless smoke sense controller of fire-fighting system and the intelligence building system,
It is characterized in that：Model nRF224L01 of the RF transceiver U1, the model of the wireless receiving chip U2
RFX2401C, model 2450BM14A002 of the equalization filter U3.
8. according to claim 7 a kind of while connect the wireless smoke sense controller of fire-fighting system and the intelligence building system,
It is characterized in that：The RF transmit-receive circuit also includes crystal oscillating circuit, and the crystal oscillating circuit connects RF transceiver U1,
The crystal oscillating circuit includes crystal oscillator Y1, resistance R6 and electric capacity C14, C15, and the crystal oscillator Y1 is connected in parallel with resistance R6 and is penetrated
Between 9,10 pins of frequency transceiver U1, one end of the resistance R6 is grounded by electric capacity C14, and the other end is connect by electric capacity C15
Ground；1 pin of RF transceiver U1 is connected with control module, and 7,15,18 pins connect 3.3V voltages, and 14,17,20 pins are grounded,
16 pins are grounded by resistance R1, and 19 pins are grounded by electric capacity C5, and 11,12,13 pins connect the wireless amplifying circuit.
9. according to claim 8 a kind of while connect the wireless smoke sense controller of fire-fighting system and the intelligence building system,
It is characterized in that：3,4,5 pins of the equalization filter U3 connect the RF transmit-receive circuit, the equalization filter U3 3,
4th, 5 pins connect 13,12,11 pins of RF transceiver U1,2, the 6 pins ground connection of equalization filter U3, the connection of 1 pin respectively
4 pins of the radio transmitting and receiving chip U2,5 pins of equalization filter U3 are also respectively connected with electric capacity C13, one end of resistance R2,
The other end ground connection of electric capacity C13,5 pins of the other end connection radio transmitting and receiving chip U2 of resistance R2, the 1 of radio transmitting and receiving chip U2
～3 pins are grounded, and 6 pins connect one end of resistance R4, R5 respectively, another termination 3.3V voltage of resistance R4, and resistance R5's is another
One end is grounded, and 7,8,9,11,12 pins of radio transmitting and receiving chip U2 are grounded, and 10 pins connect one end of electric capacity C8, electric capacity C8
The other end connect one end of inductance L2, L3, the other end ground connection of inductance L3, another termination antennal interface of inductance L2 respectively
ANT, installs transmitting antenna at antennal interface ANT, 14,16 pins of radio transmitting and receiving chip U2 connect 3.3V voltages, 14,17 pins
It is grounded, 14,17 pins are also respectively connected with one end of electric capacity C1～C4, the other end of electric capacity C1～C4 is all connected with 3.3V voltages.
10. according to claim 2 a kind of while connect the wireless smoke sense controller of fire-fighting system and the intelligence building system,
It is characterized in that：The control module includes microcontroller U5, model ATmega16, the code communication chip U6 models
QA840119。
Priority Applications (1)
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| CN201611169726.3A CN106530593A (en) | 2016-12-16 | 2016-12-16 | Wireless smoke controller for simultaneously connecting fire fighting system and intelligent building system |
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| CN108566188A (en) * | 2018-04-28 | 2018-09-21 | 成都通量科技有限公司 | High frequency filter with low insertion loss switchs |
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Application publication date: 20170322 |