CN206328019U - Elevator internal contracting brake insulating power supply - Google Patents
Elevator internal contracting brake insulating power supply Download PDFInfo
- Publication number
- CN206328019U CN206328019U CN201621183232.6U CN201621183232U CN206328019U CN 206328019 U CN206328019 U CN 206328019U CN 201621183232 U CN201621183232 U CN 201621183232U CN 206328019 U CN206328019 U CN 206328019U
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- power supply
- circuit
- internal contracting
- insulating power
- elevator internal
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Abstract
The utility model provides a kind of elevator internal contracting brake insulating power supply; including the power input being sequentially connected electrically, the first rectifier filter, transformer, the second rectifier filter and band-type brake; the elevator internal contracting brake insulating power supply also includes accessory power supply, external switch, safe torque breaking circuit, PWM controller and the triode being sequentially connected electrically; the triode is electrically connected with the transformer, and the elevator internal contracting brake insulating power supply also includes the photoelectrical coupler electrically connected with the PWM controller and the overload protecting circuit being electrically connected with the photoelectrical coupler.Compared with correlation technique, band-type brake and the mains isolation transformation of elevator internal contracting brake insulating power supply of the present utility model make elevator operational reliability good.
Description
Technical field
The utility model is related to elevators field, more particularly to a kind of elevator internal contracting brake insulating power supply.
Background technology
Elevator internal contracting brake is a safety device in elevator device, elevator operation in play declutch clearance and holding prevent
The effect of elevator accidental movement, and allow band-type brake can normal work just have to use band-type brake power supply.
Current band-type brake power supply (is usually direct current 50V- typically by the voltage needed for civil power chopping depressuring to band-type brake
200V), but be due to above-mentioned band-type brake power supply not by isolation, if chopping depressuring control circuit malfunction, just have civil power straight
Connect and be added on band-type brake, at this moment band-type brake will be constantly in the state declutched, make elevator meeting free-electron model, so as to endanger the life of people
Safety.
Solved the above problems therefore, it is necessary to provide a kind of new elevator internal contracting brake insulating power supply.
Utility model content
The utility model technical issues that need to address are to provide a kind of and mains isolation and have multiple protection functions
Elevator internal contracting brake insulating power supply.
In order to solve the above technical problems, the utility model provides a kind of elevator internal contracting brake insulating power supply, including it is sequentially connected electrically
Power input, the first rectifier filter, transformer, the second rectifier filter and band-type brake, the elevator internal contracting brake insulating power supply
Also include accessory power supply, external switch, safe torque breaking circuit, PWM controller and the triode being sequentially connected electrically, described three
The grid of pole pipe is connected with the PWM controller, and the drain electrode of the triode is connected with the transformer, the source of the triode
Pole is grounded, and current detection circuit, the elevator internal contracting brake isolation electricity are serially connected between second rectifier filter and the band-type brake
Source also includes the photoelectrical coupler electrically connected with the PWM controller, the overheating protection circuit electrically connected with the PWM controller
And the overload protecting circuit and voltage control circuit being electrically connected respectively with the photoelectrical coupler, the overload protecting circuit
Also it is electrically connected with the current detection circuit, the voltage control circuit also electrical connection interface circuit and second rectification filter
Ripple device.
It is preferred that, the elevator internal contracting brake insulating power supply also includes being serially connected with the photoelectrical coupler and second rectification filter
Overvoltage crowbar between ripple device.
It is preferred that, the overload protecting circuit includes being serially connected between the photoelectrical coupler and the current detection circuit
Current foldback circuit.
It is preferred that, the overload protecting circuit also include being serially connected with the photoelectrical coupler and the current detection circuit it
Between short-circuit protection circuit.
It is preferred that, the triode is metal-oxide-semiconductor.
It is preferred that, the output voltage values of the accessory power supply are 24V.
Compared with correlation technique, the elevator internal contracting brake insulating power supply that the utility model is provided is by setting rectifier filter and change
Depressor, the civil power that elevator internal contracting brake is accessed carries out isolation transformation, improves interference free performance, and avoid civil power from being applied directly to band-type brake
On, make having a safety feature for elevator；By setting overload protecting circuit and realizing closed loop isolation control by photoelectrical coupler, protect
The security powered to band-type brake has been demonstrate,proved, and elevator internal contracting brake insulating power supply of the present utility model accomplishes corpusculum without band-type brake contactor
Product and Highgrade integration.
Brief description of the drawings
Fig. 1 is the electrical block diagram of the utility model elevator internal contracting brake insulating power supply.
Embodiment
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
Fig. 1 is refer to, is the electrical block diagram of the utility model elevator internal contracting brake insulating power supply.The elevator internal contracting brake every
From power supply 200 include be sequentially connected electrically power input 1, the first rectifier filter 2, transformer 3, the second rectifier filter 4,
Band-type brake 5 and the accessory power supply 6 being sequentially connected electrically, external switch 7, safe torque breaking circuit 8, PWM controller 9 and triode
10。
The triode 10 is electrically connected with the transformer 3, the grid G of the triode 10 and the phase of PWM controller 9
Even, the drain D of the triode 10 is connected with the transformer 3, the source S ground connection of the triode 10.The triode 10
For metal-oxide-semiconductor.The PWM controller 9 also electrically connects photoelectrical coupler 11, and the photoelectrical coupler 11 is also electrically connected overload
What protection circuit 12, overvoltage crowbar 13 were electrically connected with the photoelectrical coupler 11 is used to adjust the input voltage of band-type brake 5
Voltage control circuit 14, the voltage control circuit 14 goes back electrical connection interface circuit 15 and second rectifier filter 4, institute
State and be serially connected with current detection circuit 16 between the second rectifier filter 4 and the band-type brake 5.The overload protecting circuit 12 with it is described
Current detection circuit 16 is electrically connected.
The power input 1 is used to input external voltage.
The power supply that first rectifier filter 2 is used to input the power input 1 carries out rectification, and it uses bridge rectifier
Circuit.
The transformer 3 will be rectified after alternating voltage isolated and realize voltage conversion, and use reinforced insulation
Grade, it is ensured that be not in the situation of insulation breakdown.By using the transformer 3 by the loading power of the band-type brake 5 with
Extraneous power supply is isolated, and prevents that civil power is loaded directly into the band-type brake 5, causes the band-type brake 5 to declutch, so as to cause elevator
Free-electron model.
The magnitude of voltage of the accessory power supply 6 is 24V, and the accessory power supply 6 is used for the switch for driving the triode 10, institute
State the control of external switch 7 and connect the safe torque breaking circuit 8.Safe torque shut-off (Safe Torque Off,
STO) circuit 8 controls the Enable Pin of the PWM controller 9 and the feedback end of the photoelectrical coupler 11.
The safe torque breaking circuit 8 includes two input branch roads and two output ends, only when the external switch 7
Two input branch roads of the safe torque breaking circuit 8 are also turned on, the safe torque breaking circuit 8 just obtains 24V electricity
Source.The safe torque breaking circuit 8 can control the Enable Pin and the photoelectricity coupling of the PWM controller 9 after obtaining 24V power supplys
The feedback end of clutch 11.
The photoelectrical coupler 11 carries out feedback signal transmission.The current detection circuit 16 is used to detect the band-type brake 5
Real-time current.
The overload protecting circuit 12 includes the current foldback circuit 121 electrically connected respectively with the current detection circuit 16
With short-circuit protection circuit 122.
The overvoltage crowbar 13 is used for the real-time voltage for detecting second rectifier filter 4.The current detecting
Circuit 16 is used to detect the electric current that the band-type brake 5 passes through.
The PWM controller 9 also electrically connects overheating protection circuit 17.The overheating protection circuit 17 is used to detect wiring board
Temperature.
The overload protecting circuit 12 uses logic control, and the photoelectrical coupler 11 is according to the current foldback circuit
121 and the short-circuit protection circuit 122 judge whether electric current exceeds normal range (NR), and to the feedback result of PWM controller 9；
The photoelectrical coupler 11 judges whether voltage exceeds normal range (NR) according to the overvoltage crowbar 13, and is controlled to the PWM
The feedback result of device 9 processed；Only when electric current and voltage are in normal range (NR), the PWM controller 9 just controls the triode
10 realize the power supply to the band-type brake 5.The overheating protection circuit 17 is used to detect the temperature of wiring board and to the PWM simultaneously
Controller 9 feeds back, and when temperature is in normal range (NR), the PWM controller 9 just controls described 10 pairs of band-type brakes of triode
5 power supply.It is only electric by setting the overload protecting circuit and realizing closed loop isolation control by the photoelectrical coupler 11
Stream, voltage and temperature are in normal range (NR), and the PWM controller 9 just controls the triode 10 to realize to the band-type brake 5
Power supply, so as to ensure that the security that power supply is powered to the band-type brake 5, improve interference free performance, sampled using isolation, met
Voltage Feedback closed loop function.
User can input default magnitude of voltage by the interface circuit 15, make the elevator internal contracting brake insulating power supply 200 defeated
Go out the magnitude of voltage of preset value.
Compared with correlation technique, the elevator internal contracting brake insulating power supply that the utility model is provided is by setting rectifier filter and change
Depressor, the civil power that elevator internal contracting brake is accessed carries out isolation transformation, improves interference free performance, and avoid civil power from being applied directly to band-type brake
On, make having a safety feature for elevator.By setting overload protecting circuit and realizing closed loop isolation control by photoelectrical coupler, protect
The security powered to band-type brake has been demonstrate,proved, and elevator internal contracting brake insulating power supply of the present utility model accomplishes corpusculum without band-type brake contactor
Product and Highgrade integration.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical fields, are similarly included in scope of patent protection of the present utility model.
Claims (6)
1. a kind of elevator internal contracting brake insulating power supply, it is characterised in that including be sequentially connected electrically power input, the first rectifying and wave-filtering
Device, transformer, the second rectifier filter and band-type brake, the elevator internal contracting brake insulating power supply also include the auxiliary electricity being sequentially connected electrically
Source, external switch, safe torque breaking circuit, PWM controller and triode, the grid of the triode are controlled with the PWM
Device is connected, and the drain electrode of the triode is connected with the transformer, the source ground of the triode, second rectifying and wave-filtering
Current detection circuit is serially connected between device and the band-type brake, the elevator internal contracting brake insulating power supply also includes and the PWM controller
The photoelectrical coupler of electrical connection, the overheating protection circuit electrically connected with the PWM controller and respectively with the photoelectric coupling
Overload protecting circuit and voltage control circuit that device is electrically connected, the overload protecting circuit also with the current detection circuit phase
Electrical connection, the voltage control circuit also electrical connection interface circuit and second rectifier filter.
2. elevator internal contracting brake insulating power supply according to claim 1, it is characterised in that the elevator internal contracting brake insulating power supply is also wrapped
Include the overvoltage crowbar being serially connected between the photoelectrical coupler and second rectifier filter.
3. elevator internal contracting brake insulating power supply according to claim 1, it is characterised in that the overload protecting circuit includes concatenation
Current foldback circuit between the photoelectrical coupler and the current detection circuit.
4. elevator internal contracting brake insulating power supply according to claim 1, it is characterised in that the overload protecting circuit also includes string
It is connected to the short-circuit protection circuit between the photoelectrical coupler and the current detection circuit.
5. elevator internal contracting brake insulating power supply according to claim 1, it is characterised in that the triode is metal-oxide-semiconductor.
6. elevator internal contracting brake insulating power supply according to claim 1, it is characterised in that the output voltage values of the accessory power supply
For 24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621183232.6U CN206328019U (en) | 2016-11-03 | 2016-11-03 | Elevator internal contracting brake insulating power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621183232.6U CN206328019U (en) | 2016-11-03 | 2016-11-03 | Elevator internal contracting brake insulating power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206328019U true CN206328019U (en) | 2017-07-14 |
Family
ID=59287135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621183232.6U Active CN206328019U (en) | 2016-11-03 | 2016-11-03 | Elevator internal contracting brake insulating power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206328019U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452129A (en) * | 2016-11-03 | 2017-02-22 | 广东卓梅尼技术股份有限公司 | Elevator band-type brake isolated power supply |
| CN109516327A (en) * | 2017-09-19 | 2019-03-26 | 通力股份公司 | Transport conveyor driving |
-
2016
- 2016-11-03 CN CN201621183232.6U patent/CN206328019U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452129A (en) * | 2016-11-03 | 2017-02-22 | 广东卓梅尼技术股份有限公司 | Elevator band-type brake isolated power supply |
| CN109516327A (en) * | 2017-09-19 | 2019-03-26 | 通力股份公司 | Transport conveyor driving |
| CN109516327B (en) * | 2017-09-19 | 2022-11-29 | 通力股份公司 | Conveyor drive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200422 Address after: No.9, Zhongyuan West Road, qiaolou Town, Zhengzhou City, Henan Province 450199 Patentee after: Luke Elevator Co., Ltd. Address before: 528462 Guangdong city in Zhongshan Province, Eastern Croucher Road No. 19 Patentee before: G-Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |