CN204454407U - Elevator internal contracting brake power-supply controller of electric - Google Patents
Elevator internal contracting brake power-supply controller of electric Download PDFInfo
- Publication number
- CN204454407U CN204454407U CN201520137484.4U CN201520137484U CN204454407U CN 204454407 U CN204454407 U CN 204454407U CN 201520137484 U CN201520137484 U CN 201520137484U CN 204454407 U CN204454407 U CN 204454407U
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- CN
- China
- Prior art keywords
- transient suppression
- suppression diode
- rectifier
- band
- type brake
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- Expired - Fee Related
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Abstract
The utility model provides a kind of elevator internal contracting brake power-supply controller of electric, comprise the voltage transformer be electrically connected with city and the rectifying circuit be connected with voltage transformer, it is characterized in that: rectifying circuit has work independently the first rectifier and the second rectifier, the first rectifier bridge that first rectifier has the first Transient Suppression Diode, the second Transient Suppression Diode and is made up of four diodes, the second rectifier bridge that the second rectifier has the 3rd Transient Suppression Diode, the 4th Transient Suppression Diode and is made up of four diodes.The Transient Suppression Diode being nanosecond by employing response time effectively inhibits band-type brake coil at the induced voltage of the instantaneous generation of dead electricity; The contactless switch power supply of band-type brake coil and working power are provided separately, make not produce continuous print in same point and impact, the puncture short that protection rectifier produces from overvoltage impact; Meanwhile, make the contactless switch power supply of output adjustable by band-type brake adjustable resistance, opening and maintaining of band-type brake can with the fastest rate conversion.
Description
Technical field
The utility model relates to a kind of elevator internal contracting brake power-supply controller of electric.
Background technology
The dragging of elevator, Cargo Lift etc. is drawn brake and is all adopted band-type brake mode, when lift car be in static and motor is in power failure state time, brake sticking brake is dragged and is drawn machine, to prevent elevator from moving, ensures the safety of elevator again.The band-type brake coil of elevator internal contracting brake adopts high voltage startup elevator internal contracting brake, until band-type brake is opened completely, then low voltage maintenance band-type brake is opened.Band-type brake coil can produce induced voltage in the moment of dead electricity, this induced potential produces at random, maxim can reach more than 2000V, the induced potential of this instantaneous generation can cause the microcomputerized controller of elevator to produce even misoperation of crashing, and may cause the over-voltage breakdown short circuit of direct current band-type brake prime rectifier and become disaster hidden-trouble simultaneously.In current technology, normal employing suppresses induced potential at the front and back end anti-paralleled diode of rectifier, but the response time of anti-paralleled diode is long, can not suppress this induced potential timely.
Summary of the invention
In order to solve the deficiency in background technology, the purpose of this utility model is the defect overcoming background technology, provides a kind of elevator internal contracting brake power-supply controller of electric, and circuit structure is simple, and band-type brake voltage is adjustable, effectively suppresses instantaneous induced voltage during band-type brake release.
For achieving the above object, the technical solution adopted in the utility model is: a kind of elevator internal contracting brake power-supply controller of electric, comprise the voltage transformer be electrically connected with city and rectifying circuit alternating current being converted to direct supply be connected with voltage transformer, it is characterized in that: described rectifying circuit has work independently the first rectifier and the second rectifier, described first rectifier has the first Transient Suppression Diode TVS1, second Transient Suppression Diode TVS2 and the first rectifier bridge H1 be made up of four diodes, the first rectifier bridge H1 is connected to after the mouth first Transient Suppression Diode TVS1 in parallel of described voltage transformer, band-type brake coil working power supply V1 is exported after the mouth second Transient Suppression Diode TVS2 in parallel of the first rectifier bridge H1, described second rectifier has the 3rd Transient Suppression Diode TVS3,4th Transient Suppression Diode TVS4 and the second rectifier bridge H2 be made up of four diodes, the second rectifier bridge H2 is connected to after mouth the 3rd Transient Suppression Diode TVS3 in parallel of described voltage transformer, band-type brake coil contact device power supply V2 is exported after mouth the 4th Transient Suppression Diode TVS4 in parallel of the second rectifier bridge H2.
In the utility model preferred embodiment, comprise further between described 4th Transient Suppression Diode TVS4 and band-type brake coil contact device power supply V2 mouth and be also provided with voltage regulator, described voltage regulator has the strong energizing switch FD and band-type brake adjustable resistance R that are connected in parallel.
In the utility model preferred embodiment, the one end comprising described 4th Transient Suppression Diode TVS4 is further connected with the first band-type brake contactless switch FR1, and the other end is connected to strong energizing switch FD by one second band-type brake contactless switch FR2.
Usefulness of the present utility model is: the Transient Suppression Diode that elevator internal contracting brake power-supply controller of electric of the present utility model is nanosecond by employing response time effectively inhibits band-type brake coil at the induced voltage of the instantaneous generation of dead electricity; On the other hand, the contactless switch power supply of band-type brake coil and working power are provided separately, make not produce continuous print in same point and impact, the puncture short that protection rectifier produces from overvoltage impact; Meanwhile, make the contactless switch power supply of output adjustable by band-type brake adjustable resistance, opening and maintaining of band-type brake can with the fastest rate conversion.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the circuit diagram of the utility model preferred embodiment.
In figure: 10, the first rectifier, the 20, second rectifier, 30, voltage regulator, BR, band-type brake coil, F, circuit breaker.
Detailed description of the invention
In order to make those skilled in the art person understand the utility model scheme better, and enable above-mentioned purpose of the present utility model, feature and advantage become apparent more, below in conjunction with embodiment and embodiment accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the utility model provides a kind of elevator internal contracting brake power-supply controller of electric, comprise the voltage transformer T be electrically connected with city and rectifying circuit alternating current being converted to direct supply be connected with voltage transformer T, described rectifying circuit has work independently the first rectifier 10 and the second rectifier 20, civil power is by exporting the working direct current band-type brake coil working power supply V1 for band-type brake coil after the first rectifier 10 rectification, civil power is by exporting the contactless switch power supply V2 of band-type brake coil after the second rectifier 20 rectification, particular circuit configurations is as follows:
First rectifier 10 has the first Transient Suppression Diode TVS1, second Transient Suppression Diode TVS2 and the first rectifier bridge H1 be made up of four diodes, the first rectifier bridge H1 is connected to after the mouth first Transient Suppression Diode TVS1 in parallel of voltage transformer T, band-type brake coil working power supply V1 is exported after the mouth second Transient Suppression Diode TVS2 in parallel of the first rectifier bridge H1, second rectifier 20 has the 3rd Transient Suppression Diode TVS3, 4th Transient Suppression Diode TVS4 and the second rectifier bridge H2 be made up of four diodes, the second rectifier bridge H2 is connected to after mouth the 3rd Transient Suppression Diode TVS3 in parallel of voltage transformer T, band-type brake coil contact device power supply V2 is exported after mouth the 4th Transient Suppression Diode TVS4 in parallel of the second rectifier bridge H2.The utility model adopt response time be the Transient Suppression Diode of nanosecond to absorb the pulse induced potential during change of band-type brake coil state, can actv. suppressor pulse induced potential to the impact of power circuit; Meanwhile, separated by the working power of the contactless switch power supply and band-type brake coil BR that will control band-type brake coil BR, do not produce continuous print in same point and impact, further reduce pulse voltage to the impact of circuit.
As further improvement of the utility model, voltage regulator 30 is also provided with between 4th Transient Suppression Diode TVS4 and band-type brake coil BR contactless switch power supply V2 mouth, voltage regulator 30 has the strong energizing switch FD and band-type brake adjustable resistance R that are connected in parallel, one end of 4th Transient Suppression Diode TVS4 is connected with the first band-type brake contactless switch FR1, and the other end is connected to strong energizing switch FD by one second band-type brake contactless switch FR2.
Based on above-mentioned circuit structure, the working process of power-supply controller of electric of the present utility model is as follows: after circuit breaker F closes, the first rectifier 10 obtains electric work, export the working power V1 of band-type brake coil, after operation contactless switch S closes, the second rectifier 20 obtains electric work, export the contactless switch power supply V2 of band-type brake coil, BR is charged for band-type brake coil, and band-type brake mechanical braking part is opened by its power produced, and can freely up and down run; Strong energizing switch FD is closed when band-type brake is opened, realize switching-off action fast with maximum voltage of opening a sluice gate, when needing maintenance band-type brake to open, open strong sharp quick closing valve FD, regulate band-type brake voltage to ME for maintenance by band-type brake adjustable resistance R, realize opening and maintaining with the fastest rate conversion of band-type brake.
Above-described embodiment is the utility model preferably embodiment; but embodiment of the present utility model is not limited by the examples; the change done under other any does not deviate from Spirit Essence of the present utility model and principle, modification, substitute, combine, simplify the substitute mode that all should be equivalence, be included within protection domain of the present utility model.Therefore, the protection domain that protection domain of the present utility model should define with claim is as the criterion.
Claims (3)
1. an elevator internal contracting brake power-supply controller of electric, comprise the voltage transformer (T) be electrically connected with city and rectifying circuit alternating current being converted to direct supply be connected with voltage transformer, it is characterized in that: described rectifying circuit has work independently the first rectifier and the second rectifier, described first rectifier has the first Transient Suppression Diode (TVS1), second Transient Suppression Diode (TVS2) and the first rectifier bridge (H1) be made up of four diodes, the first rectifier bridge (H1) is connected to after mouth first Transient Suppression Diode (TVS1) in parallel of described voltage transformer, mouth second Transient Suppression Diode (TVS2) in parallel of the first rectifier bridge (H1) exports band-type brake coil working power supply (V1) afterwards, described second rectifier has the 3rd Transient Suppression Diode (TVS3), 4th Transient Suppression Diode (TVS4) and the second rectifier bridge (H2) be made up of four diodes, the second rectifier bridge (H2) is connected to after mouth the 3rd Transient Suppression Diode (TVS3) in parallel of described voltage transformer, mouth the 4th Transient Suppression Diode (TVS4) in parallel of the second rectifier bridge (H2) exports band-type brake coil contact device power supply (V2) afterwards.
2. elevator internal contracting brake power-supply controller of electric according to claim 1, it is characterized in that: be also provided with voltage regulator between described 4th Transient Suppression Diode (TVS4) and band-type brake coil contact device power supply (V2) mouth, described voltage regulator has the strong energizing switch (FD) and band-type brake adjustable resistance (R) that are connected in parallel.
3. elevator internal contracting brake power-supply controller of electric according to claim 2, it is characterized in that: one end of described 4th Transient Suppression Diode (TVS4) is connected with the first band-type brake contactless switch (FR1), the other end is connected to strong energizing switch (FD) by one second band-type brake contactless switch (FR2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520137484.4U CN204454407U (en) | 2015-03-11 | 2015-03-11 | Elevator internal contracting brake power-supply controller of electric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520137484.4U CN204454407U (en) | 2015-03-11 | 2015-03-11 | Elevator internal contracting brake power-supply controller of electric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204454407U true CN204454407U (en) | 2015-07-08 |
Family
ID=53661322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520137484.4U Expired - Fee Related CN204454407U (en) | 2015-03-11 | 2015-03-11 | Elevator internal contracting brake power-supply controller of electric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204454407U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226974A (en) * | 2015-10-30 | 2016-01-06 | 快意电梯股份有限公司 | For the supply unit of elevator internal contracting brake coil |
| CN106379830A (en) * | 2016-09-18 | 2017-02-08 | 广州广日电气设备有限公司 | Elevator contracting brake control device |
-
2015
- 2015-03-11 CN CN201520137484.4U patent/CN204454407U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226974A (en) * | 2015-10-30 | 2016-01-06 | 快意电梯股份有限公司 | For the supply unit of elevator internal contracting brake coil |
| CN106379830A (en) * | 2016-09-18 | 2017-02-08 | 广州广日电气设备有限公司 | Elevator contracting brake control device |
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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: 20150708 Termination date: 20180311 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |