CN204389925U - A kind of air conditioner and low standby power loss circuit thereof - Google Patents
A kind of air conditioner and low standby power loss circuit thereof Download PDFInfo
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- CN204389925U CN204389925U CN201520011285.9U CN201520011285U CN204389925U CN 204389925 U CN204389925 U CN 204389925U CN 201520011285 U CN201520011285 U CN 201520011285U CN 204389925 U CN204389925 U CN 204389925U
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Abstract
The utility model relates to a kind of air conditioner and low standby power loss circuit thereof, the utility model air-conditioning low standby power loss circuit stops when air conditioner is standby powering to off-premises station circuit, and when starting power wiring L through signal wire indoor machine start the circuit in off-premises station after powering to off-premises station, the function reducing power consumption can be realized.Low standby power loss circuit comprises the testing circuit for detecting power wiring L and signal wire connection status, when testing circuit detects power wiring L and signal wire disconnects, signal wire again in pulpit between communication module and outdoor communication module is connected, when can effectively prevent power wiring and signal wire from not disconnecting, namely signal wire between indoor communication module and outdoor communication module is connected, alternating current is directly applied on outdoor communication module by power wiring L, is burnt by outdoor communication module.Thus, the utility model has carried out available protecting to the work safety of circuit devcie while realizing low-power consumption.
Description
Technical field
The utility model belongs to the technical field of air conditioner, specifically, relates to a kind of circuit of air conditioner low standby power loss and adopts the air conditioner of described circuit.
Background technology
Along with air-conditioning Energy Efficiency Standard is more and more higher, the stand-by power consumption of air-conditioning also more and more receives the concern of people.Existing common air-conditioning device is when air conditioner is standby, and indoor apparatus of air conditioner circuit and off-premises station circuit are all in power-up state, and energy consumption is larger.In order to reduce the stand-by power consumption of air conditioner, propose a kind of economical air conditioner, its indoor set and off-premises station are by power wiring L, N, the signal wire C of signal transmission couples together, stop when air conditioner is standby powering to the circuit in off-premises station, and when starting power wiring L through signal wire indoor machine start the circuit in off-premises station after powering to off-premises station.But, if when signal wire does not disconnect with power wiring L, namely connect indoor communication module and outdoor communication module, easily outdoor communication module burnt, there is potential safety hazard.
Utility model content
The purpose of this utility model is the circuit providing a kind of air conditioner low standby power loss, solves existing air conditioner circuit standby power consumption large, there is the technical matters of easily burning the potential safety hazard of outdoor communication module.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of air conditioner low standby power loss circuit, comprise indoor set circuit and off-premises station circuit, the signal wire C for power wiring L, N and signal transmission of transmitting alternating current between indoor set circuit and off-premises station circuit, in described indoor set circuit, power wiring L is by connecting with signal wire C after the second on-off switch K2, in described off-premises station circuit, power wiring L is that off-premises station is powered by the 4th on-off switch K4, described signal wire C is connected with power wiring L by the 3rd on-off switch K3, described signal wire C is by being provided with protection circuit D1 after the 3rd on-off switch K3 and between power wiring L, and be also connected with testing circuit between power wiring N, when described testing circuit detection power wiring L and signal wire disconnect, control the 3rd on-off switch K3 to switch to and connect with outdoor communication module, described protection circuit D1, for when the 4th on-off switch K4 closes, alternating current is stoped to flow to described signal wire C and the second on-off switch K2 testing circuit.
Air conditioner low standby power loss circuit as above, described protection circuit D1 is diode D1.
Air conditioner low standby power loss circuit as above; described testing circuit comprises protection circuit D2 and photoelectrical coupler; the input end of described photoelectrical coupler connects protection circuit D2 and power wiring N; the output terminal of described photoelectrical coupler outputs signal to the outdoor control module of outdoor circuit; described outdoor control module receives the output signal of photoelectrical coupler and exports control signal and control the 3rd on-off switch K3 and switch, and described protection circuit D2 flows to power wiring C for stoping alternating current from power wiring N.
Air conditioner low standby power loss circuit as above; described testing circuit comprises protection circuit D2, photoelectrical coupler and on-off switch; the input end of described photoelectrical coupler connects protection circuit D2 and power wiring N; the output terminal of described photoelectrical coupler outputs signal to the state that on-off switch controls on-off switch; the signal output part that one end and the outdoor control module of described on-off switch control the 3rd on-off switch K3 connects; other end ground connection, described protection circuit D2 flows to power wiring C for stoping alternating current from power wiring N.
Air conditioner low standby power loss circuit as above, described protection circuit D2 is diode D2.
Air conditioner low standby power loss circuit as above, described 3rd on-off switch is single-pole double-throw switch (SPDT).
Air conditioner low standby power loss circuit as above, described power wiring L is powered to communication module by rectification module, is provided with the first on-off switch K1 between described power wiring L and rectification module.
Based on the design of above-mentioned air conditioner low standby power loss circuit, the utility model also proposed a kind of air conditioner, and described air conditioner comprises above-mentioned low standby power loss circuit.
Compared with prior art, advantage of the present utility model and good effect are: the utility model air-conditioning low standby power loss circuit stops when air conditioner is standby powering to off-premises station circuit on the one hand, and when starting power wiring L through signal wire indoor machine start the circuit in off-premises station after powering to off-premises station, the function reducing power consumption can be realized.On the other hand, also comprise the testing circuit for detecting power wiring L and signal wire connection status, when testing circuit detects power wiring L and signal wire disconnects, signal wire again in pulpit between communication module and outdoor communication module is connected, when can effectively prevent power wiring and signal wire from not disconnecting, namely signal wire between indoor communication module and outdoor communication module is connected, and alternating current is directly applied on outdoor communication module by power wiring L, is burnt by outdoor communication module.Thus, the utility model has carried out available protecting to the work safety of circuit devcie while realizing low-power consumption.
After reading the detailed description of the utility model embodiment by reference to the accompanying drawings, other features of the present utility model and advantage will become clearly.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the utility model specific embodiment 1 air conditioner.
Fig. 2 is the circuit diagram of the utility model specific embodiment 2 air conditioner.
Embodiment
Be described in detail embodiment of the present utility model below in conjunction with accompanying drawing, the utility model scheme is applicable to indoor set and powers and off-premises station is powered two kinds of modes.
Specific embodiment 1:
As shown in Figure 1, the present embodiment proposes a kind of circuit of air conditioner low standby power loss, comprising indoor set circuit and off-premises station circuit, being connected by the signal wire C of power wiring L, N and signal transmission for transmitting alternating current between indoor set circuit and off-premises station circuit.When air conditioner normally works, AC power is powered to off-premises station circuit and indoor set circuit by power wiring L, N, and the communication module of off-premises station circuit and indoor set circuit carries out transmission and the reception of signal by signal wire C.When air conditioner is standby, cut off off-premises station completely and power, and when air conditioner room unit receives enabled instruction, power to off-premises station, make it enter normal operating conditions, circuit structure is simple, and security is high.
Below the circuit of the low standby power loss of the present embodiment is specifically described:
In the indoor set circuit of the present embodiment, alternating current L communicated after filtration module filtering, the first rectification module rectification and exported direct current to Switching Power Supply, and Switching Power Supply is powered to control module and other direct-flow current consumer parts.
Comprise:
Connection terminal, connects with power wiring L, n-signal line C and ground wire GND.
Filtration module, carries out electromagnetic interference (EMI) suppression to the alternating current of power wiring L, N input.
Rectification module, is converted to DC voltage, for indoor set circuit is powered by the alternating voltage that filtration module exports.
Half-wave rectification block, comprises diode D and resistance R, and the alternating voltage that filtration module exports is converted to DC voltage, and communication module is powered.
Or the present embodiment only arranges the first rectification module, the alternating voltage that filtration module exports is converted to DC voltage, exports most indoor set circuit on the one hand and power; On the other hand for communication module is powered.Above two kinds of modes are all within protection domain of the present utility model.
Switching Power Supply, the DC voltage exported by rectification module, electric current are converted to voltage, the electric current of control module chip and other relevant electricity consumption device requirement, for control module and other relevant electricity consumption devices are powered.
Control module, for receiving remote signal, controlling the on off state of the first on-off switch K1, the second on-off switch K2, and remote signal is sent to communication module.
Communication module, connects with half-wave rectification block, and half-wave rectification block provides power supply for communication module, and signal wire C is connected with power wiring L by the second on-off switch K2.
First on-off switch K1 is open type on-off switch, switches the connection of half-wave rectification block and signal wire C and disconnection;
Second on-off switch K2 is open type on-off switch, switches the connection of power wiring L and signal wire C and disconnection.
Off-premises station circuit comprises:
Connection terminal, connects with power wiring L, N, signal wire C and ground wire GND.
Filtration module, carries out electromagnetic interference (EMI) suppression to the alternating current of power wiring L, N input.
Rectification module, is converted to DC voltage, for Switching Power Supply is powered by the alternating voltage that filtration module transmits;
Switching Power Supply, the DC voltage exported by rectification module, electric current are converted to voltage, the electric current of control module chip and other relevant electricity consumption device requirement, for control module and other relevant electricity consumption devices are powered.
Control module, for controlling the on off state of the 3rd on-off switch K3, the 4th on-off switch K4.
Communication module, carries out transmission and the reception of signal by described signal wire C and indoor set communication module;
3rd on-off switch K3 is single-pole double-throw switch (SPDT), switches the connection of signal wire C and power wiring L and outdoor communication module.
4th on-off switch K4 is open type on-off switch, for switching the connection of power wiring L and off-premises station circuit and disconnection.
Protection circuit D1 is diode D1, for when the 4th on-off switch K4 closes, stops alternating current to flow to signal wire C and the second on-off switch K2 testing circuit.
Protection circuit D2, being diode D2, flowing to power wiring C for stoping alternating current from power wiring N.
Testing circuit, for detecting the connection status signal of power wiring L and signal wire C and transferring to control module, when power wiring L and signal wire C disconnects, control module output control signal control the 3rd on-off switch K3 switches to and connects with outdoor communication module.The testing circuit of the present embodiment is photoelectrical coupler; the input end of photoelectrical coupler connects protection circuit D2 and power wiring N; the output terminal of photoelectrical coupler outputs signal to the outdoor control module of outdoor circuit, and outdoor control module receives the output signal of photoelectrical coupler and exports control signal and control the 3rd on-off switch K3 and switch.When the input end of photoelectrical coupler has voltage to input, the output terminal of photoelectrical coupler has high level output signal, export control module to, when control module receives high level signal, control K3 is failure to actuate, when the input end no-voltage input of photoelectrical coupler, the output terminal non-output signal of photoelectrical coupler, control module receives low level signal, now, and control K3 action.
When air conditioner is standby, the first on-off switch K1 is in off-state, and the second on-off switch K2 is in off-state, and the 3rd on-off switch K3 connects with power wiring L, and the 4th on-off switch K4 is in off-state.Now, off-premises station is cut off the electricity supply completely, reduces complete machine stand-by power consumption.
After indoor set remote control reception probe receives the signal of turning on the aircondition that telepilot sends, it is closed that control module controls on-off switch K1, K2, and alternating current L phase is sent to off-premises station circuit by on-off switch K1, K2, signal wire C, on-off switch K3.Alternating current L phase is powered to Switching Power Supply by the filtration module of off-premises station, rectification module, and Switching Power Supply powers to outdoor control module and other direct-flow current consumer parts, and outdoor control module controls on-off switch K4 and closes.After indoor control module control K2 disconnects, now, photoelectrical coupler is without input, output terminal no signal exports, and outdoor control module receives low level signal, controls the 3rd on-off switch K3 and switches to communication module, indoor set and off-premises station start normal work, and communication starts.
After indoor set remote control reception probe receives the signal of the pass air-conditioning that telepilot sends; indoor set communication module sends stopping signal to off-premises station communication module; off-premises station control module controls on-off switch K4 and disconnects; on-off switch K3 switches to power wiring L side, and off-premises station power supply all cuts off.Indoor set control module control K1 disconnects, and disconnected by unnecessary operating circuit, only remaining indoor set has stand-by electric, reduces by the power consumption of more than 80% than existing air conditioner.
Based on the design of the circuit of above-mentioned air conditioner low standby power loss, the present embodiment also proposed a kind of air conditioner, and air conditioner comprises indoor set circuit and off-premises station circuit, and physical circuit is described above, is not described in detail herein.
Specific embodiment 2:
As shown in Figure 2, the present embodiment proposes a kind of circuit of air conditioner low standby power loss, be with the difference of embodiment 1, the testing circuit of the present embodiment comprises protection circuit D2, photoelectrical coupler and on-off switch, the input end of photoelectrical coupler connects protection circuit D2 and power wiring N, the output terminal of photoelectrical coupler outputs signal to the state that on-off switch controls on-off switch, the signal output part that one end and the outdoor control module of described on-off switch control the 3rd on-off switch K3 connects, other end ground connection, protection circuit D2 flows to power wiring C for stoping alternating current from power wiring N.
The on-off switch of the present embodiment is NPN type triode, and the base stage of triode connects with the output terminal of photoelectrical coupler, and collector connects with the signal output part of outdoor control module, grounded emitter.Thus, when triode ON, the output signal of outdoor control module, by ground short circuit, can not control the 3rd on-off switch K3.Only have when triode not conducting, the signal that the signal output part of outdoor control module exports just can control the 3rd on-off switch K3.Thus, the testing circuit of the present embodiment can play the effect protecting outdoor communication module, when the second on-off switch K2 closes, photoelectrical coupler conducting, triode ON, the output signal of outdoor control module, by ground short circuit, can not control the 3rd on-off switch K3; When the second on-off switch K2 disconnects, photoelectrical coupler disconnects, and triode not conducting, the output signal of outdoor control module controls the 3rd on-off switch K3.
When air conditioner is standby, the first on-off switch K1 is in off-state, and the second on-off switch K2 is in off-state, and the 3rd on-off switch K3 connects with power wiring L, and the 4th on-off switch K4 is in off-state.Now, off-premises station is cut off the electricity supply completely, reduces complete machine stand-by power consumption.
After indoor set remote control reception probe receives the signal of turning on the aircondition that telepilot sends, it is closed that control module controls on-off switch K1, K2, and alternating current L phase is sent to off-premises station circuit by on-off switch K1, K2, signal wire C, on-off switch K3.Alternating current L phase is powered to Switching Power Supply by the filtration module of off-premises station, rectification module, and Switching Power Supply powers to outdoor control module and other direct-flow current consumer parts, and outdoor control module controls on-off switch K4 and closes.After indoor control module control K2 disconnects, now, photoelectrical coupler is without input, output terminal no signal exports, triode not conducting, and outdoor control module exports control signal, control the 3rd on-off switch K3 and switch to communication module, indoor set and off-premises station start normal work, and communication starts.
After indoor set remote control reception probe receives the signal of the pass air-conditioning that telepilot sends; indoor set communication module sends stopping signal to off-premises station communication module; off-premises station control module controls on-off switch K4 and disconnects; on-off switch K3 switches to power wiring L side, and off-premises station power supply all cuts off.Indoor set control module control K1 disconnects, and disconnected by unnecessary operating circuit, only remaining indoor set has stand-by electric, reduces by the power consumption of more than 80% than existing air conditioner.
Based on the design of the circuit of above-mentioned air conditioner low standby power loss, the present embodiment also proposed a kind of air conditioner, and air conditioner comprises indoor set circuit and off-premises station circuit, and physical circuit is described above, is not described in detail herein.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (8)
1. an air conditioner low standby power loss circuit, comprise indoor set circuit and off-premises station circuit, the signal wire C for power wiring L, N and signal transmission of transmitting alternating current between indoor set circuit and off-premises station circuit, is characterized in that: in described indoor set circuit, power wiring L is by connecting with signal wire C after the second on-off switch K2, in described off-premises station circuit, power wiring L is that off-premises station is powered by the 4th on-off switch K4, described signal wire C is connected with power wiring L by the 3rd on-off switch K3, described signal wire C is by being provided with protection circuit D1 after the 3rd on-off switch K3 and between power wiring L, and be also connected with testing circuit between power wiring N, when described testing circuit detection power wiring L and signal wire C disconnects, control the 3rd on-off switch K3 to switch to and connect with outdoor communication module, described protection circuit D1, for when the 4th on-off switch K4 closes, alternating current is stoped to flow to described signal wire C and the second on-off switch K2 testing circuit.
2. air conditioner low standby power loss circuit according to claim 1, is characterized in that: described protection circuit D1 is diode D1.
3. air conditioner low standby power loss circuit according to claim 1; it is characterized in that: described testing circuit comprises protection circuit D2 and photoelectrical coupler; the input end of described photoelectrical coupler connects protection circuit D2 and power wiring N; the output terminal of described photoelectrical coupler outputs signal to the outdoor control module of outdoor circuit; described outdoor control module receives the output signal of photoelectrical coupler and exports control signal and control the 3rd on-off switch K3 and switch, and described protection circuit D2 flows to power wiring C for stoping alternating current from power wiring N.
4. air conditioner low standby power loss circuit according to claim 1, it is characterized in that: described testing circuit comprises protection circuit D2, photoelectrical coupler and on-off switch, the input end of described photoelectrical coupler connects protection circuit D2 and power wiring N, the output terminal of described photoelectrical coupler outputs signal to the state that on-off switch controls on-off switch, the signal output part that one end and the outdoor control module of described on-off switch control the 3rd on-off switch K3 connects, other end ground connection, described protection circuit D2 flows to power wiring C for stoping alternating current from power wiring N.
5. the air conditioner low standby power loss circuit according to claim 3 or 4, is characterized in that: described protection circuit D2 is diode D2.
6. the air conditioner low standby power loss circuit according to claim 1-4 any one, is characterized in that: described 3rd on-off switch is single-pole double-throw switch (SPDT).
7. the air conditioner low standby power loss circuit according to claim 1-4 any one, is characterized in that: described power wiring L is powered to communication module by rectification module, is provided with the first on-off switch K1 between described power wiring L and rectification module.
8. an air conditioner, is characterized in that: described air conditioner comprises the low standby power loss circuit described in claim 1-7 any one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520011285.9U CN204389925U (en) | 2015-01-08 | 2015-01-08 | A kind of air conditioner and low standby power loss circuit thereof |
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| CN201520011285.9U CN204389925U (en) | 2015-01-08 | 2015-01-08 | A kind of air conditioner and low standby power loss circuit thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107730857A (en) * | 2016-08-12 | 2018-02-23 | 阿自倍尔株式会社 | Interface circuit |
| CN108119994A (en) * | 2017-12-26 | 2018-06-05 | 奥克斯空调股份有限公司 | The low power consumpting controling circuit and Low-power-consumptiocontrol control method of air conditioner |
| CN113568354A (en) * | 2021-07-31 | 2021-10-29 | 佛山市顺德区美的电子科技有限公司 | Standby control circuit, control method, system and device and air conditioner |
| CN113685999A (en) * | 2020-05-18 | 2021-11-23 | 宁波奥克斯电气股份有限公司 | Outdoor unit control device and air conditioner |
| CN114777299A (en) * | 2022-03-31 | 2022-07-22 | 安徽中家智康科技有限公司 | One-to-two communication system and method for air conditioner outdoor unit |
-
2015
- 2015-01-08 CN CN201520011285.9U patent/CN204389925U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107730857A (en) * | 2016-08-12 | 2018-02-23 | 阿自倍尔株式会社 | Interface circuit |
| CN108119994A (en) * | 2017-12-26 | 2018-06-05 | 奥克斯空调股份有限公司 | The low power consumpting controling circuit and Low-power-consumptiocontrol control method of air conditioner |
| CN108119994B (en) * | 2017-12-26 | 2023-11-17 | 奥克斯空调股份有限公司 | Low-power consumption control circuit and low-power consumption control method of air conditioner |
| CN113685999A (en) * | 2020-05-18 | 2021-11-23 | 宁波奥克斯电气股份有限公司 | Outdoor unit control device and air conditioner |
| CN113568354A (en) * | 2021-07-31 | 2021-10-29 | 佛山市顺德区美的电子科技有限公司 | Standby control circuit, control method, system and device and air conditioner |
| CN113568354B (en) * | 2021-07-31 | 2023-02-21 | 佛山市顺德区美的电子科技有限公司 | Standby control circuit, control method, system and device and air conditioner |
| CN114777299A (en) * | 2022-03-31 | 2022-07-22 | 安徽中家智康科技有限公司 | One-to-two communication system and method for air conditioner outdoor unit |
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