CN210286373U - Battery power module of elevator power failure emergency leveling device - Google Patents
Battery power module of elevator power failure emergency leveling device Download PDFInfo
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- CN210286373U CN210286373U CN201921170107.5U CN201921170107U CN210286373U CN 210286373 U CN210286373 U CN 210286373U CN 201921170107 U CN201921170107 U CN 201921170107U CN 210286373 U CN210286373 U CN 210286373U
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Abstract
The utility model discloses an elevator has a power failure and meets an urgent need battery power module of flat bed device relates to the emergent technical field of elevator. The main technical points of the power supply device comprise a storage battery, a power supply main board, a charging loop for connecting the storage battery and mains supply and charging the storage battery, and a main board main loop for electrically connecting the storage battery and the power supply main board and supplying power to the power supply main board; be connected with the automatic cutout circuit who is used for when the time length of commercial power outage surpasss when predetermineeing when the time disconnection mainboard major loop on the mainboard major loop, the utility model has the advantages of need not to keep apart through the manual operation circuit breaker, avoid the battery to lead to damaging because of the overdischarge.
Description
Technical Field
The utility model relates to an emergent technical field of elevator, more specifically say, it relates to an elevator has a power failure and meets an urgent need battery power module of flat bed device.
Background
An elevator emergency device ARD is an elevator trapped person emergency rescue device, which is mainly used for carrying out automatic conversion when an alternating current power supply suddenly cuts off power or an electric control system breaks down to stop a car in a well in the operation process of an elevator, cutting off the original electric control system, supplying the alternating current power supply to the elevator, dragging the car to a flat position and then opening a door, so that trapped passengers can timely escape from a dangerous situation. The system is a backup emergency power supply system outside the original elevator control and frequency conversion system, and supplies power to the elevator system by converting direct current of a storage battery into alternating current 1. when commercial power is normally supplied, the commercial power is output by a commercial power bypass to supply power to the elevator system; and the battery is charged through the charging module. 2. When the commercial power is abnormal, the direct current of the storage battery is converted into inverse transformation and boosting output through the power supply main board to supply power to the elevator system.
The storage battery is one of the most important parts in the elevator emergency system, and the stability of the storage battery is very important to ensure the safe operation of the elevator emergency system. When the commercial power is abnormally disconnected; the power supply mainboard loses the mains supply; at the moment, when the elevator is powered off, the emergency leveling device is started, and the storage battery supplies power for the power supply main board; an emergency program arranged in the main board is started, and the elevator door is opened after the elevator is driven to a flat floor; the whole working process is generally shorter about 30 seconds; after the elevator finishes leveling, if the commercial power is not recovered, the storage battery still supplies power for the power supply main board, and the battery can supply power for the power supply main board for a long time in the process; however, long-term operation in this state causes overdischarge of the battery, which shortens the life of the battery.
SUMMERY OF THE UTILITY MODEL
To current technical problem, the utility model aims at providing an elevator has a power failure and meets an urgent need battery power module of flat bed device, it has avoids the battery to lead to damaging the advantage because of the overdischarge.
In order to achieve the above purpose, the utility model provides a following technical scheme: a battery power module of an elevator power failure emergency leveling device comprises: the power supply comprises a storage battery, a power supply main board, a charging loop for connecting the storage battery and mains supply and charging the storage battery, and a main board main loop for electrically connecting the storage battery and the power supply main board and supplying power to the power supply main board; the main board main loop is connected with an automatic disconnection circuit for disconnecting the main board main loop when the duration of the mains supply power failure exceeds the preset duration.
By adopting the technical scheme, the elevator automatic leveling device is automatically disconnected after the storage battery drives the elevator power-off emergency leveling device to operate for a specified time; the designated time is set as one minute which is long in emergency flat-layer execution time; therefore, after the elevator power failure emergency leveling device is started, the main circuit of the main board can be automatically disconnected under the action of an automatic circuit breaker, isolation is not needed through a manual operation circuit breaker, the problem of overdischarge caused by frequent maintenance of the storage battery is avoided, and the service life of the storage battery is prolonged.
The utility model discloses further set up to: the automatic disconnect circuit includes:
the detection unit is electrically connected to the mains supply and used for detecting whether the mains supply is in a power-off state and outputting a detection signal;
the switch unit comprises a controllable switch and a switch control end, wherein the controllable switch is electrically connected to the main circuit of the mainboard, and the switch unit controls the on and off of the controllable switch based on an input signal of the switch control end;
the input end of the control unit receives the detection signal, and the output end of the control unit is connected with the switch control end of the switch unit;
the control unit starts timing when receiving a detection signal of power failure; when the timing time reaches the preset time, the control unit outputs a control signal for driving the controllable switch to be closed to the switch control end of the switch unit.
By adopting the technical scheme, when the detection unit detects that the commercial power is abnormally disconnected; the storage battery supplies power to the power supply mainboard; the control unit can rapidly disconnect the main circuit of the main board through the switch unit after the storage battery is powered for a long time, so that the storage battery is protected.
The utility model discloses further set up to: the control unit is a single chip microcomputer.
By adopting the technical scheme, the single chip microcomputer can control the received signals through the built-in time delay, and the effect of starting the switch unit in a time delay manner is achieved.
The utility model discloses further set up to: the control unit includes a timer.
By adopting the technical scheme, the timer achieves the time delay effect by matching the charging time of the capacitor and the resistor, so that the timer is low in price without a single chip microcomputer.
The utility model discloses further set up to: the controllable switch comprises a magnetic latching relay K1 connected in series with a main circuit of the main board, and the magnetic latching relay K1 comprises an electromagnetic switch K11, a closing coil K12 and an opening coil K13; the switching unit comprises a closed branch connected to a closing coil K12 and an open branch received on an opening coil K13.
Through adopting above-mentioned technical scheme, magnetism hold relay K1 can keep the state through self magnetic force, consequently can still guarantee the stability of on-state under the condition of outage.
The utility model discloses further set up to: the controllable switch also comprises a manual switch SB1 connected in parallel to the electromagnetic switch K11.
By adopting the technical scheme, when the main board is disconnected, the manual switch SB1 can be manually pressed to electrify the main board circuit.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the automatic disconnection circuit is arranged, so that the isolation is not required to be carried out through manually operating a breaker, and the storage battery is prevented from being damaged due to over-discharge;
(2) by adopting the magnetic latching relay K1 as a controllable switch, the stability of the state can still be ensured under the condition of power failure.
Drawings
FIG. 1 is a connection block diagram of the present embodiment;
FIG. 2 is a block diagram of the automatic disconnect circuit of the present embodiment;
FIG. 3 is a schematic diagram of a circuit structure of a detecting unit of the automatic shutdown circuit in this embodiment;
FIG. 4 is a schematic diagram of a circuit structure of the control unit of the automatic shutdown circuit in this embodiment;
fig. 5 is a schematic circuit diagram of a switch unit of the automatic turn-off circuit according to the present embodiment.
Reference numerals: 1. a storage battery; 2. a power supply main board; 3. a charging circuit; 4. a main board main loop; 5. automatically breaking the circuit; 6. a detection unit; 7. a control unit; 8. a switch unit; 9. closing the shunt circuit; 10. the shunt is disconnected.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
The embodiment is a battery power supply module of an elevator power failure emergency leveling device, as shown in fig. 1, including a storage battery 1, a power supply main board 2, a charging loop 3 connecting the storage battery 1 and a mains supply for charging the storage battery 1, a main board main loop 4 electrically connecting the storage battery 1 and the power supply main board 2 for supplying power to the power supply main board 2, and an automatic disconnection circuit 5 connected to the main board main loop 4 for disconnecting the main board main loop 4. The automatic disconnection circuit 5 disconnects the main board main loop 4 when the power-off duration of the mains supply exceeds the preset duration, so that the storage battery 1 does not supply power to the power main board 2. Wherein battery 1, power mainboard 2, connect battery 1 and commercial power and be used for the charging circuit 3 that charges for battery 1 and the mainboard main loop 4 that electric connection battery 1 and power mainboard 2 are used for supplying power for power mainboard 2 are prior art, no longer describe in this embodiment.
Therefore, through the automatic disconnection circuit 5 designed in the scheme, after the storage battery 1 drives the elevator power failure emergency leveling device to operate for a specified time, the elevator power failure emergency leveling device is automatically disconnected; therefore, after the elevator power failure emergency leveling device is started, the main circuit 4 of the main board can be automatically disconnected under the action of the automatic disconnection circuit 5 without being isolated by a manual operation breaker, the storage battery 1 is prevented from being damaged due to over-discharge, and the service life of the storage battery 1 is prolonged.
As shown in fig. 2, the automatic disconnection circuit 5 includes a detection unit 6, a control unit 7 and a switch unit 8, wherein the detection unit 6 is electrically connected to the utility power for outputting a detection signal for detecting whether the utility power is in a power-off state; the input end of the control unit 7 receives the detection signal, and the output end of the control unit is connected with the switch unit 8 and outputs a control signal to the switch unit 8; the switch unit 8 includes a controllable switch electrically connected to the main board main circuit 4 and a switch control terminal for receiving a control signal, and the switch unit 8 controls the on and off of the controllable switch based on the control signal input from the switch control terminal.
As shown in fig. 3, the detection unit 6 includes a first diode D1, a first resistor R1, a second resistor R2, a first capacitor C1, a third resistor R3, a fourth resistor R4, a first optocoupler Q1, and a second capacitor C2. The anode of the first diode D1 is connected to an output terminal of the utility power, the cathode of the first diode D1 is connected to one end of the first resistor R1, and the other end of the first resistor R1 is electrically connected to one end of the first capacitor C1, one end of the third resistor R3, and the anode of the light emitting diode of the first optocoupler Q1, respectively; the other end of the first capacitor C1, the other end of the third resistor R3 and the cathode of the light emitting diode of the first optocoupler Q1 are electrically connected with one end of a second resistor R2, and the other end of the second resistor R2 is connected with the other output end of the commercial power. The collector of the triode of the first optocoupler Q1 is connected with one end of a fourth resistor R4, the other end of the fourth resistor R4 is respectively connected with one end of a second capacitor C2 and auxiliary voltage, and the emitter of the triode of the first optocoupler Q1 is respectively connected with the ground wire and the other end of the second capacitor C2. The detection signal VA is sent out from a node between the collector of the triode of the first optocoupler Q1 and the second capacitor C2. Therefore, when the mains supply is normal, the light emitting diode of the first optocoupler Q1 is electrified to emit light, the triode of the first optocoupler Q1 is conducted, and the detection signal VA is output and connected with the low level voltage of the ground wire; and when the commercial power is abnormal, the light emitting diode of the first optocoupler Q1 is powered off and extinguished, the triode of the first optocoupler Q1 is extinguished, and the detection signal VA is output and connected with the high-level voltage of the auxiliary voltage.
The control unit 7 is, in one embodiment, a single chip microcomputer (not shown in the figure) which receives the detection signal output from the detection unit 6, and the single chip microcomputer outputs a control signal based on the received detection signal VA. The single chip microcomputer is internally provided with time delay, when the single chip microcomputer receives a high-level detection signal, the time delay in the single chip microcomputer starts timing, and when the timing reaches a preset time delay duration, the single chip microcomputer outputs a control signal which enables the switch unit 8 to disconnect the main board main loop 4.
As shown in fig. 4, the control unit 7 is a 555 delayer in another embodiment, and the 555 delayer comprises a 555 chip U1 and peripheral circuits. The peripheral circuit comprises a second triode Q2, a delay capacitor C3, a delay resistor R6, a grounding capacitor C4, a load resistor R5 and a second triode Q2; a base electrode of the second triode Q2 receives the detection signal output by the detection unit 6, a collector electrode is connected with the auxiliary voltage VCC, and an emitter electrode is respectively connected with the four pin and the eight pin of the 555 chip U1 and one end of the delay capacitor C3; the other end of the delay capacitor C3 is respectively connected with the six pins and two pins of the 555 chip U1 and one end of the delay resistor R6; the other end of the delay resistor R6 is grounded; one pin of the 555 chip U1 is directly grounded, the five pins are grounded after being connected with a grounding capacitor C4, and the three pins are connected with a load resistor R5 to output control signals. When the detection unit 6 outputs a high-level detection signal, the second triode Q2 is switched on, the delay capacitor C3 is charged, the three pins output a low level in the charging process, and the three pins output a high level after the delay capacitor C3 is charged. The preset duration of the control unit 7 can be adjusted to a suitable size according to the parameters of the adjusting delay capacitor C3 and the delay resistor R6.
As shown in fig. 5, specifically, the controllable switch includes a magnetic latching relay K1 connected in series to the main board main circuit 4, and the magnetic latching relay K1 can maintain the state by its own magnetic force, so that the power-on state can be still stable in the power-off state. The magnetic latching relay K1 includes an electromagnetic switch K11, a closing coil K12, and an opening coil K13; protection diodes D10 are connected in anti-parallel to the closing coil K12 and the opening coil K13. The protection diode D10 can perform short-circuit protection on the coil to avoid damage by high current. Further, the controllable switch also comprises a manual switch SB1 connected in parallel with the electromagnetic switch K11, wherein the manual switch SB1 is an automatic reset switch. When disconnected, the manual switch SB1 can be manually pressed to energize the main board main circuit.
The switching unit 8 comprises, in addition to the controllable switch, a closed shunt 9 connected to a closing coil K12, and an open shunt 10 received on an opening coil K13.
As shown in fig. 5, the closed shunt 9 includes a closed P-type transistor Q11, a closed N-type transistor Q12, a closed main resistor R11, and a closed auxiliary resistor R12; the resistance of the closed main resistor R11 is greater than the closed auxiliary resistor R12; the base electrode of the closed P-type triode Q11 receives the not gate signal of the control signal output by the control unit 7, the emitter electrode of the closed P-type triode Q11 is grounded, the collector electrode of the closed P-type triode Q11 is connected with one end of a closed auxiliary resistor R12, and the other end of the closed auxiliary resistor R12 is respectively connected with the base electrode of the closed N-type triode Q12 and one end of a closed main resistor R11; the other end of the closed main resistor R11 is connected with auxiliary voltage, the collector of the closed N-type triode Q12 is connected with the auxiliary voltage, and the emitter of the closed N-type triode Q12 is connected with one end of the closed coil K12 to supply power for the closed coil K12.
As shown in fig. 5, the disconnect shunt 10 includes a disconnect P-type transistor Q21, a disconnect N-type transistor Q22, a disconnect main resistor R21, and a disconnect sub-resistor R22; the resistance of the main disconnection resistor R21 is greater than that of the auxiliary disconnection resistor R22; the base of the disconnecting P-type triode Q21 receives a control signal output by the control unit 7, the emitter of the disconnecting P-type triode Q21 is grounded, the collector of the disconnecting P-type triode Q21 is connected with one end of the disconnecting auxiliary resistor R22, and the other end of the disconnecting auxiliary resistor R22 is respectively connected with the base of the disconnecting N-type triode Q22 and one end of the disconnecting main resistor R21; the other end of the disconnecting main resistor R21 is connected with the auxiliary voltage, the collector of the disconnecting N-type triode Q22 is connected with the auxiliary voltage, and the emitter of the disconnecting N-type triode Q22 is connected with one end of the disconnecting coil K13 to supply power for the disconnecting coil K13.
The utility model discloses a working process and beneficial effect as follows:
when the commercial power is abnormal, the light emitting diode of the first optocoupler Q1 is powered off and extinguished, the triode of the first optocoupler Q1 is extinguished, and the detection signal VA is output and connected with the high-level voltage of the auxiliary voltage. The control unit 7 receives the detection signal VA at its input terminal, and outputs a control signal of high level to the switch unit 8 when the detection signal VA maintains the high level voltage state for the duration time. After receiving the high-level control signal, the switch unit 8 will be turned off at the electromagnetic switch K11 connected in series to the main circuit of the motherboard, so as to cut off the power supply of the motherboard. It is worth mentioning that the duration set here is longer than the maximum duration of the elevator power failure emergency leveling device, so as to ensure the normal operation of the elevator power failure emergency leveling device.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides an elevator has a power failure and meets an urgent need battery power module of flat layer device which characterized in that: the method comprises the following steps: the power supply comprises a storage battery (1), a power supply main board (2), a charging loop (3) which is used for connecting the storage battery (1) and a mains supply and is used for charging the storage battery (1), and a main board main loop (4) which is used for electrically connecting the storage battery (1) and the power supply main board (2) and is used for supplying power to the power supply main board (2); the main board main loop (4) is connected with an automatic disconnection circuit (5) which is used for disconnecting the main board main loop (4) when the power-off duration of the mains supply exceeds the preset duration.
2. The elevator power failure emergency leveling device battery power module of claim 1, wherein: the automatic disconnect circuit (5) comprises:
the detection unit (6) is electrically connected to the mains supply and is used for detecting whether the mains supply is in a power-off state;
the switch unit (8) comprises a controllable switch and a switch control end, wherein the controllable switch is electrically connected to the main circuit (4) of the mainboard, and the on-off of the controllable switch is controlled based on an input signal of the switch control end;
the input end of the control unit (7) receives the detection signal, and the output end of the control unit is connected with the switch control end of the switch unit (8);
the control unit (7) starts timing when receiving a power-off detection signal; when the timing time reaches the preset time, the control unit (7) outputs a control signal for driving the controllable switch to be closed to the switch control end of the switch unit (8).
3. The elevator power failure emergency leveling device battery power module of claim 2, wherein: the control unit (7) is a singlechip.
4. The elevator power failure emergency leveling device battery power module of claim 2, wherein: the control unit (7) comprises a timer.
5. The elevator power failure emergency leveling device battery power module of claim 4, wherein: the controllable switch comprises a magnetic latching relay K1 connected in series on a main board main loop (4), and the magnetic latching relay K1 comprises an electromagnetic switch K11, a closing coil K12 and an opening coil K13; the switching unit (8) comprises a closing branch (9) connected to a closing coil K12, and an opening branch (10) received on an opening coil K13.
6. The elevator power failure emergency leveling device battery power module of claim 5, wherein: the controllable switch also comprises a manual switch SB1 connected in parallel to the electromagnetic switch K11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921170107.5U CN210286373U (en) | 2019-07-24 | 2019-07-24 | Battery power module of elevator power failure emergency leveling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921170107.5U CN210286373U (en) | 2019-07-24 | 2019-07-24 | Battery power module of elevator power failure emergency leveling device |
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| CN210286373U true CN210286373U (en) | 2020-04-10 |
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| CN201921170107.5U Active CN210286373U (en) | 2019-07-24 | 2019-07-24 | Battery power module of elevator power failure emergency leveling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762653A (en) * | 2020-07-23 | 2020-10-13 | 巨人通力电梯有限公司 | Elevator power failure emergency rescue method and system |
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2019
- 2019-07-24 CN CN201921170107.5U patent/CN210286373U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762653A (en) * | 2020-07-23 | 2020-10-13 | 巨人通力电梯有限公司 | Elevator power failure emergency rescue method and system |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210107 Address after: Room e504, Taiwan Science and technology enterprise cultivation center, Xiamen Torch hi tech Zone (Xiang'an) Industrial Zone, 361000, Fujian Province Patentee after: Xiamen Power Technology Co.,Ltd. Address before: Room e1005c, Taiwan Science and technology enterprise cultivation center, Xiamen Torch hi tech Zone (Xiang'an) Industrial Zone, 361000, Fujian Province Patentee before: XIAMEN WEIZHI ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |