CN213141067U - Elevator power failure emergency leveling device - Google Patents
Elevator power failure emergency leveling device Download PDFInfo
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- CN213141067U CN213141067U CN202022047708.6U CN202022047708U CN213141067U CN 213141067 U CN213141067 U CN 213141067U CN 202022047708 U CN202022047708 U CN 202022047708U CN 213141067 U CN213141067 U CN 213141067U
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- 238000012544 monitoring process Methods 0.000 claims abstract description 33
- 230000005611 electricity Effects 0.000 claims abstract description 13
- 238000000819 phase cycle Methods 0.000 claims description 12
- 230000001012 protector Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of elevator power supply switching, and discloses an elevator power supply power failure emergency leveling device, which comprises a control switch, a main control unit, a power supply monitoring unit, a charging unit, a storage battery, a boosting unit and an inversion unit; the three-phase power supplies power to the elevator through the control switch, and the main control unit controls the on-off of the control switch; the main control unit is electrically connected with the power supply monitoring unit, and the power supply monitoring unit is used for detecting whether the three-phase power is normal or not; the charging unit converts the three-phase power into a charging voltage of the storage battery; the output voltage of the unit to the battery that steps up, the contravariant unit is connected to the main control unit electricity, and the direct current that the contravariant unit will step up the unit output converts the alternating current into, the utility model discloses a whether the three-phase electricity that power monitoring unit detected the input elevator is normal to adopt the battery to supply power to the elevator when unusual, make the elevator continue to move, ensure that personnel in the elevator go out in smooth follow elevator, need not be stranded in the middle of the floor, avoid appearing personnel injured because of electric power is unusual.
Description
Technical Field
The utility model relates to an elevator power switching technical field, concretely relates to elevator power has a power failure and meets an urgent need flat bed device.
Background
In order to facilitate traveling, when a building enterprise builds a community or an office building, an elevator is often installed in each building. At present, the elevator ascends and descends through electric drive, if the elevator ascends or descends, power failure occurs or power failure caused by abnormal circuit occurs, the elevator can be temporarily stopped in an elevator shaft, if power cannot be supplied in time, not only great inconvenience is brought to people in the elevator, but also personnel injury is caused.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of background art, the utility model provides an elevator power has a power failure emergency flat bed device can in time supply power to the elevator when the outage appears in the elevator operation, ensures not stranded personnel in the elevator, avoids the elevator to appear personnel injured because of having a power failure.
For solving the technical problem, the utility model provides a following technical scheme: an elevator power supply power failure emergency leveling device comprises a control switch, a main control unit, a power supply monitoring unit, a charging unit, a storage battery, a boosting unit and an inversion unit;
the control switch comprises a first sub switch, a second sub switch and a third sub switch, the input ends of the first to third sub switches are respectively and electrically connected with three-phase power, the control end of the control switch is electrically connected with the main control unit, and when the main control unit inputs a driving signal to the control end of the control switch, the first to third sub switches are conducted;
the main control unit is electrically connected with the power supply monitoring unit, and the power supply monitoring unit is used for detecting whether the three-phase power is normal or not;
the charging unit is used for converting three-phase electricity into charging voltage of the storage battery; the voltage boosting unit boosts the output voltage of the storage battery, the main control unit is electrically connected with the inversion unit, and the inversion unit converts the direct current output by the voltage boosting unit into alternating current.
Furthermore, the main control unit is also electrically connected with the storage battery voltage monitoring unit and the three-phase voltage monitoring unit respectively. The storage battery voltage monitoring unit is used for detecting the output voltage of the storage battery, and when the output voltage of the storage battery is not enough to support the elevator to continue running, the main control unit stops the storage battery from supplying power to the elevator. The three-phase voltage monitoring unit is used for monitoring the voltage of three-phase power, when the voltage of the three-phase power is too low, the main control unit can firstly control the switch to be switched off, and then the storage battery is used for supplying power to the elevator.
Furthermore, the main control unit is also electrically connected with a temperature sensor, and the temperature sensor is used for detecting the working temperature of the device.
Further, the voltage output end of the inversion unit is electrically connected with the power supply input end of the elevator through a circuit breaker. If the output voltage of the inverter unit is short-circuited, the circuit breaker is automatically disconnected, and the storage battery stops supplying power to the elevator.
Further, the utility model discloses still include the wiring board, the main control unit is connected with emergent signal output part, phase sequence short circuit signal output part and stop signal input part electricity on the wiring board respectively.
Further, the charging unit includes a rectifying circuit and a voltage-reducing circuit, the rectifying circuit converts an ac electric device of one of the three-phase power into a dc power, and the voltage-reducing circuit converts the dc voltage output from the rectifying circuit into a charging voltage of the battery.
Compared with the prior art, the utility model beneficial effect who has is: whether the main control unit passes through the three-phase electricity that power monitoring unit detected the input elevator normal, if the phase loss appears in the three-phase electricity, phase sequence mistake or power failure, the main control unit passes through control switch disconnection three-phase electricity and is connected between the power input end of elevator, then adopts the battery to supply power to the elevator, makes the elevator continue to operate, and personnel in the elevator can go out from the elevator smoothly when electric power is unusual like this, need not be stranded in the middle of the floor, avoid appearing personnel's injury because of electric power is unusual.
Drawings
The utility model discloses there is following figure:
FIG. 1 is a schematic structural diagram of an emergency floor-leveling device in an embodiment of an elevator power failure;
fig. 2 is a schematic view of terminals on a wiring board.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Referring to fig. 1, the emergency leveling device for power failure of the elevator power supply comprises a control switch 1, a main control unit, a power supply monitoring unit, a charging unit, a storage battery, a boosting unit and an inversion unit.
The control switch 1 comprises a first sub switch, a second sub switch and a third sub switch, wherein the input ends of the first to third sub switches are respectively electrically connected with the three-phase power, the control end of the control switch is electrically connected with the main control unit, and when the main control unit inputs a driving signal to the control end of the control switch, the first to third sub switches are conducted. Specifically, the control switch 1 adopts a contactor, the three-phase power is respectively electrically connected with a normally open contact of the contactor, and the main control unit is electrically connected with a control coil of the contactor.
The main control unit is electrically connected with the power supply monitoring unit, and the power supply monitoring unit is used for detecting whether the three-phase power is normal or not. Specifically, the power supply monitoring unit adopts a phase sequence protector, three-phase power is respectively connected into the phase sequence protector, and when the three-phase power has abnormal phase sequence or is absent from the phase sequence, the phase sequence protector inputs an abnormal signal to the main control unit.
The charging unit 2 is used for converting three-phase power into charging voltage of the storage battery. Specifically, the charging unit includes a rectifying circuit and a voltage-reducing circuit, the rectifying circuit converts a certain one-phase alternating current electric device of three-phase power into direct current, and the voltage-reducing circuit converts the direct current voltage output by the rectifying circuit into a charging voltage of the storage battery.
The boosting unit boosts the output voltage of the storage battery, the main control unit is electrically connected with the inversion unit, and the inversion unit converts direct current output by the boosting unit into alternating current.
In this embodiment, the main control unit is further electrically connected to the battery voltage monitoring unit and the three-phase voltage monitoring unit, respectively. The storage battery voltage monitoring unit is used for detecting the output voltage of the storage battery, and when the output voltage of the storage battery is not enough to support the elevator to continue running, the main control unit stops the storage battery from supplying power to the elevator. The three-phase voltage monitoring unit is used for monitoring the voltage of three-phase power, when the voltage of the three-phase power is too low, the main control unit can firstly control the switch 1 to be switched off, and then the storage battery is used for supplying power to the elevator. Specifically, the storage battery voltage monitoring unit and the three-phase voltage monitoring unit both adopt voltage transformers.
In this embodiment, the main control unit is further electrically connected to a temperature sensor, and the temperature sensor is used for detecting the operating temperature of the device. In order to guarantee power supply safety, when the temperature sensor detects that the working temperature of the device is 80-90 ℃, the device does not provide power for the elevator, and the device works again after temperature abnormity is solved.
In this embodiment, the voltage output end of the inverter unit is electrically connected to the power input end of the elevator through the circuit breaker. If the output voltage of the inverter unit is short-circuited, the breaker is automatically disconnected, the storage battery is stopped to supply power to the elevator, and the power supply safety is ensured.
In this embodiment, for the convenience of wiring, the power terminals U, V and W of the three-phase power, the power terminals R, S, T and PE of the device are all integrated on the wiring board as shown in fig. 2, and in addition, the main control unit is electrically connected with the emergency signal output terminals JS1 and JS2, the phase sequence short-circuit signal output terminals JS3 and JS4, and the stop signal input terminals JS5 and JS6 on the wiring board, respectively. The main control unit sends a state switching signal to a control system of the elevator through emergency signal terminals JS1 and JS2 to inform an elevator power switching device to enter a standby power supply working mode, the main control unit inputs a short-circuit signal to the phase sequence protector through phase sequence short-circuit signal terminals JS3 and JS4, and the main control unit receives a stop signal through a stop signal input end JS5 and JS 6.
To sum up, the utility model discloses whether the main control unit passes through the three-phase electricity that power monitoring unit detected the input elevator when using normally, if the lack of phase appears in the three-phase electricity, phase sequence mistake or have a power failure, the main control unit passes through the control switch and breaks off the power input end between three-phase electricity and the elevator be connected, then adopts the battery to supply power to the elevator, makes the elevator continue to move, personnel in the elevator can be smooth when electric power is unusual go out from the elevator like this, need not be stranded in the middle of the floor, avoid appearing personnel injured because of electric power is unusual.
In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides an elevator power has a power failure emergency flat bed device which characterized in that: the system comprises a control switch, a main control unit, a power supply monitoring unit, a charging unit, a storage battery, a boosting unit and an inversion unit; the control switch comprises a first sub switch, a second sub switch and a third sub switch, the input ends of the first to third sub switches are respectively and electrically connected with three-phase power, the control end of the control switch is electrically connected with the main control unit, and when the main control unit inputs a driving signal to the control end of the control switch, the first to third sub switches are conducted; the main control unit is electrically connected with the power supply monitoring unit, and the power supply monitoring unit is used for detecting whether the three-phase power is normal or not; the charging unit is used for converting three-phase electricity into charging voltage of the storage battery; the voltage boosting unit boosts the output voltage of the storage battery, the main control unit is electrically connected with the inversion unit, and the inversion unit converts direct current output by the voltage boosting unit into alternating current.
2. The elevator power failure emergency leveling device according to claim 1, wherein: the main control unit is also electrically connected with a storage battery voltage monitoring unit and a three-phase voltage monitoring unit respectively, the storage battery voltage monitoring unit is used for detecting the output voltage of the storage battery, and the three-phase voltage monitoring unit is used for monitoring the voltage of three-phase electricity.
3. The elevator power failure emergency leveling device according to claim 1, wherein: the main control unit is also electrically connected with a temperature sensor, and the temperature sensor is used for detecting the working temperature of the device.
4. The elevator power failure emergency leveling device according to claim 1, wherein: and the voltage output end of the inversion unit is electrically connected with the power input end of the elevator through a circuit breaker.
5. The elevator power failure emergency leveling device according to claim 1, wherein: the main control unit is electrically connected with an emergency signal output end, a phase sequence short-circuit signal output end and a stop signal input end on the wiring board respectively.
6. The elevator power failure emergency leveling device according to claim 1, wherein: the charging unit comprises a rectifying circuit and a voltage reducing circuit, wherein the rectifying circuit converts a certain one-phase alternating current electric device of three-phase electricity into direct current, and the voltage reducing circuit converts the direct current voltage output by the rectifying circuit into the charging voltage of the storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022047708.6U CN213141067U (en) | 2020-09-17 | 2020-09-17 | Elevator power failure emergency leveling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022047708.6U CN213141067U (en) | 2020-09-17 | 2020-09-17 | Elevator power failure emergency leveling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213141067U true CN213141067U (en) | 2021-05-07 |
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ID=75717006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022047708.6U Expired - Fee Related CN213141067U (en) | 2020-09-17 | 2020-09-17 | Elevator power failure emergency leveling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213141067U (en) |
-
2020
- 2020-09-17 CN CN202022047708.6U patent/CN213141067U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An emergency leveling device for elevator power failure Effective date of registration: 20220509 Granted publication date: 20210507 Pledgee: Jiangsu SINOSURE technology microfinance Co.,Ltd. Pledgor: JIANGSU HEYI INTELLIGENT TECHNOLOGY CO.,LTD. Registration number: Y2022320000212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210507 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210507 Pledgee: Jiangsu SINOSURE technology microfinance Co.,Ltd. Pledgor: JIANGSU HEYI INTELLIGENT TECHNOLOGY CO.,LTD. Registration number: Y2022320000212 |