CN203545372U - Automatic levelling device for lift - Google Patents
Automatic levelling device for lift Download PDFInfo
- Publication number
- CN203545372U CN203545372U CN201320615230.XU CN201320615230U CN203545372U CN 203545372 U CN203545372 U CN 203545372U CN 201320615230 U CN201320615230 U CN 201320615230U CN 203545372 U CN203545372 U CN 203545372U
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- circuit
- elevator
- battery pack
- civil power
- automatic floor
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Control (AREA)
Abstract
The utility model provides an automatic levelling device for a lift. The input end of the automatic levelling device is connected with the mains supply, and the output end of the automatic levelling device is connected with a lift control cabinet. The automatic leveling device comprises an emergency control system circuit, a charging circuit, a battery pack and a three-phase inverter circuit, wherein the mains supply is connected to the battery pack after accessing the charging circuit; the battery pack is output to the three-phase inverter circuit and is connected to the lift control cabinet through an output shift switch. The automatic levelling device has the beneficial effects of convenience in installation, high stability and high practicability, and can be widely applied to other types of lifts.
Description
Technical field
The utility model relates to elevator technology field, relates to particularly a kind of elevator automatic floor approaching mechanism, guarantees that mains failure or control system fault Shi Nengrang passenger walk out stranded elevator and be out of danger.
Background technology
In recent years, China's need for electricity increased very fast, and supply falls short of demand for electric power, and a lot of areas often need to be carried out industry and be used electricity in off-peak hours, so elevator malfunction happens occasionally.For fear of grid power blackout, cause elevator to close people, cause passenger's body and menticide, increasing elevator has been loaded onto rescue apparatus during stoppage of power supply.
At present, elevator rescue apparatus during stoppage of power supply can be divided into two classes by structural principle difference.One class is special-purpose elevator power failure device, and independently, when elevator normal power source dead electricity, this device is taken over the control of elevator in the past for it and elevator control cabinet.This device is used early also more extensive.But this device is open loop when dragging to be controlled, if for synchronous dynamo, be difficult to make motor according to the speed normal operation of setting, generally can not be used on synchro traction machine.So must be careful while using, prevent from meeting accident in use procedure.
Another is the rescue apparatus during stoppage of power supply of being controlled by general uninterrupted power supply (ups) Unity.When elevator normal power source dead electricity, this device power supply is to elevator control cabinet, and elevator is still all controlled by control housing when back-up source is powered.This class apparatus structure is simple, the UPS of standard and corresponding control line, consists of.But UPS generally provides the alternating current of 220V, so require frequency converter can drag towing machine operation by low speed in single-phase 220V Power supply situation, the restriction being subject to is also larger.
Therefore, design a kind of can be to driving the requirement of main frame, drg control, safety return circuit etc., other setting is all the same with control housing, does not need special check, and the elevator rescue apparatus during stoppage of power supply that can be applicable to again various voltage transducer is very significant.
Utility model content
For this reason, technical problem to be solved in the utility model is: overcome the shortcoming of above-mentioned two kinds of device patterns, a kind of elevator automatic floor approaching mechanism is provided.
So, the utility model provides following technical scheme: a kind of elevator automatic floor approaching mechanism, the input end of described automatic floor approaching mechanism connects civil power, mouth connects elevator control cabinet, described automatic floor approaching mechanism comprises emergent control system circuit, charge circuit, battery pack and three-phase inverting circuit, civil power is connected to described battery pack after accessing described charge circuit, and described battery pack outputs to described three-phase inverting circuit and is connected to described elevator control cabinet by output dip switch.
Particularly, described emergent control system circuit comprises battery voltage detection circuit, load detecting circuit, civil power input detecting circuit, flat bed signal deteching circuit and inverter voltage testing circuit, described battery voltage detection circuit connects described battery pack, described load detecting circuit is connected described elevator control cabinet with described flat bed signal deteching circuit, described civil power input detecting circuit connects civil power, and described inverter voltage testing circuit connects described three-phase inverting circuit.
Particularly, described charge circuit comprises charging transformer, SCR driving circuit and current foldback circuit.
Particularly, described three-phase inverting circuit comprises driving isolation circuit, inversion pipe and voltage transformer.
Elevator power failure automatic leveling emergency facility of the present utility model, has following features:
1. when electric network source is normal, in standby charge condition, after grid cut-off, automatically enter inverter mode, during power system restoration, enter standby charge condition.
2. grid power blackout can be adjusted by potential device to inversion run up time, and the time is 5S-30S.
3. receive flat bed signal and can be adjusted by potential device to stopping the inversion time, the time is 1S-180S.
4. storage battery is maintenance-free battery, and charging method is pulse charge, can alleviate the polarization phenomena of the positive and negative step of storage battery, improves service efficiency.
5. wiring is simple, and only to control housing, provides power supply, and safety performance is high.
6. the single-phase or three phase converter that can mate 220V or 380V.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of embodiment elevator automatic platform device.
Fig. 2 is the circuit diagram of embodiment battery voltage detection circuit.
Fig. 3 is the circuit diagram of embodiment load detecting circuit.
Fig. 4 is the circuit diagram of embodiment civil power input detecting circuit.
Fig. 5 is the circuit diagram of embodiment flat bed signal deteching circuit.
Fig. 6 is the circuit diagram of embodiment inverter voltage testing circuit.
Fig. 7 is the circuit diagram that embodiment drives signal isolation circuit.
Fig. 8 is the circuit diagram of embodiment three-phase inverting circuit.
The specific embodiment
Below, by reference to the accompanying drawings the utility model is described in detail.
The structured flowchart of the present embodiment elevator automatic platform device as shown in Figure 1, the input termination civil power three-phase 380V of elevator automatic platform device, output termination elevator control cabinet.Elevator automatic platform device comprises emergent control system circuit, charge circuit, battery pack and three-phase inverting circuit, after civil power access charge circuit, is connected to battery pack, and battery pack outputs to three-phase inverting circuit and is connected to elevator control cabinet by output dip switch.
Emergent control system circuit comprises battery voltage detection circuit, load detecting circuit, civil power input detecting circuit, flat bed signal deteching circuit and output voltage detecting circuit, battery voltage detection circuit connects battery pack, civil power input detecting circuit connects civil power, load detecting circuit peace layer signal testing circuit connects elevator control cabinet, and output voltage detecting circuit connects three-phase inverting circuit.Charge circuit comprises charging transformer, SCR driving circuit and current foldback circuit.Battery pack is 6 joint 12V7AH batteries, and three-phase inverting circuit comprises driving isolation circuit, inversion pipe and voltage transformer, the output termination output dip switch of voltage transformer.
The circuit diagram that accompanying drawing 2 is battery voltage detection circuit, is comprised of R79, R84, C1, and R79 mono-end is received battery anode, and Pin2 is CPU2 pin.
The circuit diagram that accompanying drawing 3 is load detecting circuit, is comprised of accurate adjustable resistance VR1, LM393, R37, R38, R39, R34, R35, D17, and LOAD meets Pin4, and OVERLOAD connects Pin21 pin.
Accompanying drawing 6 is the circuit diagram of inverter voltage testing circuit, R41, R40, D12, R55, R58, R60, D21, U2, consists of, and wherein U2 is LM324, the auxiliary winding coupling end that CN2 is voltage transformer.
Accompanying drawing 7 is the circuit diagram of driving isolation circuit, D30, R65, C33, R74, R64, R68, R67, R66, R43, U10, U7, consists of, and wherein U10 is LM339, and U7 is TLP250, and PWM_A is connected to inversion tube grid.
The circuit diagram that accompanying drawing 8 is three-phase inverting circuit, adopts full-bridge type to drive, and MOSFET pipe is IRFB4115.
The specific works process of the present embodiment:
When civil power is normal, SW1 relay is open in usual, and directly bypass is powered to elevator control cabinet, by S, T phase charger, battery is charged simultaneously, and when cell pressure is high, charging board feedback voltage carries out the floating charge stage.Now optocoupler U5 work, drags down CPU Pin26 pin current potential, is operated in utility mode.
When having a power failure or during civil power low pressure, optocoupler U5 does not work, and Pin26 is high level, and CPU belongs to battery inverter mode.After setting start delay time, CPU starts working, and Pin11`16 pin output pwm signal drives inversion pipe.Now in Fig. 6, OUT-V can detect inverter voltage, otherwise report inversion abnormal failure.When band live ladder, if overload, 1 pin of LM393 is low voltage, and CPU PIN4 pin is load feedback, cuts off and drives signal, stops inversion, gives a warning simultaneously.
When elevator runs to flat bed, by elevator control cabinet, send flat bed signal to emergency facility.Now optocoupler U6 work, Pin23 pin voltage drags down, and CPU will quit work after the shutdown delay time setting, and inversion stops.
When cell pressure is low, by R79, R84 electric resistance partial pressure sampling output CPU, stops inversion, to battery protection.
The present embodiment is easy for installation, and good stability, practical can be widely used in the elevator of other type.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. an elevator automatic floor approaching mechanism, the input end of described automatic floor approaching mechanism connects civil power, mouth connects elevator control cabinet, it is characterized in that, described automatic floor approaching mechanism comprises emergent control system circuit, charge circuit, battery pack and three-phase inverting circuit, civil power is connected to described battery pack after accessing described charge circuit, and described battery pack outputs to described three-phase inverting circuit and is connected to described elevator control cabinet by output dip switch.
2. elevator automatic floor approaching mechanism according to claim 1, it is characterized in that: described emergent control system circuit comprises battery voltage detection circuit, load detecting circuit, civil power input detecting circuit, flat bed signal deteching circuit and inverter voltage testing circuit, described battery voltage detection circuit connects described battery pack, described load detecting circuit is connected described elevator control cabinet with described flat bed signal deteching circuit, described civil power input detecting circuit connects civil power, and described inverter voltage testing circuit connects described three-phase inverting circuit.
3. elevator automatic floor approaching mechanism according to claim 1, is characterized in that: described charge circuit comprises charging transformer, SCR driving circuit and current foldback circuit.
4. elevator automatic floor approaching mechanism according to claim 1, is characterized in that: described three-phase inverting circuit comprises driving isolation circuit, inversion pipe and voltage transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320615230.XU CN203545372U (en) | 2013-09-30 | 2013-09-30 | Automatic levelling device for lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320615230.XU CN203545372U (en) | 2013-09-30 | 2013-09-30 | Automatic levelling device for lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203545372U true CN203545372U (en) | 2014-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320615230.XU Expired - Fee Related CN203545372U (en) | 2013-09-30 | 2013-09-30 | Automatic levelling device for lift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203545372U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386554A (en) * | 2014-09-16 | 2015-03-04 | 苏州菱怡电梯有限公司 | Elevator power-failure level floor device |
| CN111762641A (en) * | 2020-08-04 | 2020-10-13 | 柯凡尼电梯(上海)有限公司 | Split type home use elevator control system and home use elevator |
-
2013
- 2013-09-30 CN CN201320615230.XU patent/CN203545372U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386554A (en) * | 2014-09-16 | 2015-03-04 | 苏州菱怡电梯有限公司 | Elevator power-failure level floor device |
| CN111762641A (en) * | 2020-08-04 | 2020-10-13 | 柯凡尼电梯(上海)有限公司 | Split type home use elevator control system and home use elevator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20170930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |