CN207782382U - A kind of elevator internal contracting brake power supply - Google Patents

A kind of elevator internal contracting brake power supply Download PDF

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Publication number
CN207782382U
CN207782382U CN201721922222.4U CN201721922222U CN207782382U CN 207782382 U CN207782382 U CN 207782382U CN 201721922222 U CN201721922222 U CN 201721922222U CN 207782382 U CN207782382 U CN 207782382U
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voltage
output
module
current
power supply
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CN201721922222.4U
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王丽
练耀理
唐勇
许骏
钟姝
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Suzhou Xili Technology Co ltd
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SJEC Corp
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Abstract

The application provides a kind of elevator internal contracting brake power supply, and the power supply includes:Rectification filtering module is electrically connected with power input;Voltage transformation module is electrically connected with the rectification filtering module;Output module is electrically connected with the voltage transformation module;Comparator unit is electrically connected with the output module, for the output voltage to be compared with reference voltage, and output voltage comparison result, it is additionally operable to output current being compared with reference current, and output current comparison result;Photoelectric isolation module is electrically connected with the output end of the comparator unit, for according to the voltage comparison result or/and electric current comparison result, controlling being turned on or off of being electrically connected between the output module and the brake.Using each embodiment in the application, voltage or the excessive damage band-type brake power supply of electric current or load can be prevented, improves the safety and reliability of elevator internal contracting brake power supply.

Description

A kind of elevator internal contracting brake power supply
Technical field
This application involves elevator safety technical field, more particularly to a kind of elevator internal contracting brake power supply.
Background technology
Elevator internal contracting brake device is the important safety component of elevator, can be in when lift car is in static and motor It prevents elevator from moving again under power failure state, the safety of elevator can be effectively ensured.Its control mode is usually that band-type brake coil obtains Band-type brake unclamps when electric, and band-type brake is held tightly when band-type brake coil losing electricity, thus prevents the improper lifting of lift car.
But the band-type brake power supply used in the prior art, when band-type brake power supply break down or voltage ripple of power network it is excessive, Band-type brake electric power output voltage can be caused excessive, brake in the operating at voltages of excess load, can cause brake to damage for a long time;When Band-type brake power source loads failure causes output current excessive, will burn out band-type brake power supply and load, causes bigger economic loss.
At least there are the following problems in the prior art:When band-type brake power supply break down or voltage ripple of power network it is excessive, meeting Cause band-type brake electric power output voltage excessive, brake in the operating at voltages of excess load, can cause brake to damage for a long time;When embrace Lock power source loads failure causes output current excessive, will burn out band-type brake power supply and load, causes bigger economic loss.
Utility model content
The purpose of the embodiment of the present application is to provide a kind of elevator internal contracting brake power supply, to prevent voltage or the excessive damage of electric current from embracing Lock power supply or load improve the safety and reliability of elevator internal contracting brake power supply.
The embodiment of the present application provides what a kind of elevator internal contracting brake power supply was realized in:
A kind of elevator internal contracting brake power supply, the power supply include:
Rectification filtering module is electrically connected with power input, and half-wave is obtained for carrying out full-wave rectification to input voltage Voltage;
Voltage transformation module is electrically connected with the rectification filtering module, for the half-wave voltage passed through transformation to be divided into Excitation voltage and maintenance voltage, the excitation voltage and the maintenance voltage are used as output voltage;
Output module is electrically connected with the voltage transformation module, for exporting excitation voltage to brake, the output Module further includes delay output module, for after the excitation voltage that the output module exports preset time, output to maintain electricity It is depressed into the brake;
Comparator unit is electrically connected with the output module, for comparing the output voltage with reference voltage Compared with, and output voltage comparison result, it is additionally operable to output current being compared with reference current, and output current comparison result;
Photoelectric isolation module is electrically connected with the output end of the comparator unit, for comparing knot according to the voltage Fruit or/and electric current comparison result control being turned on or off of being electrically connected between the output module and the brake.
In preferred embodiment, when the voltage comparison result that the photoelectric isolation module receives is that the output voltage is more than When the reference voltage, the electric connection controlled between the output module and the brake disconnects.
In preferred embodiment, when the electric current comparison result that the photoelectric isolation module receives is that the output current is more than When the reference current, the electric connection controlled between the output module and the brake disconnects.
In preferred embodiment, when the voltage comparison result that the photoelectric isolation module receives is that the output voltage is less than Or it is equal to the reference voltage, and when the electric current comparison result is that output current is less than or equal to reference current, described in control Electric connection between output module and the brake is held on.
In preferred embodiment, the comparator unit includes:Voltage comparison module, current comparing module, are respectively used to pair The output voltage and the output current are compared;
The output end of the voltage comparison module and the output end of the current comparing module are connected to logical AND gate Two input terminals, the output end of the output end of the logical AND gate as the comparator unit,
The output end of the comparator unit and the photoelectric isolation module are electrically connected, the photoelectric isolation module according to The electric signal of the output end output of the comparator unit, controls and is electrically connected between the output module and the brake It disconnects or is connected.
In preferred embodiment, the voltage comparison module includes voltage comparator, the reference voltage of the voltage comparator End is electrically connected with the output module, is used for input and output voltage, the reference voltage end of the voltage comparator is for inputting Reference voltage.
In preferred embodiment, the current comparing module includes current comparator, the reference current of the current comparator End is electrically connected with the output module, is used for input and output electric current, the reference current end of the current comparator is for inputting Reference current.
In preferred embodiment, it is less than or equal to when the output voltage is less than or equal to reference voltage and the output current When reference current, the voltage comparator exports high level, and the current comparator exports high level, after logical AND gate, The output end of the comparator unit exports high level, and the photoelectric isolation module controls institute when receiving the high level The electric connection stated between output module and the brake is connected.
In preferred embodiment, when the output voltage is more than reference voltage, the voltage comparator exports low level, warp After crossing logical AND gate, the output end of the comparator unit exports low level, the photoelectric isolation module receive it is described low When level, the electric connection controlled between the output module and the brake disconnects.
In preferred embodiment, when the output current is more than reference current, the current comparator exports low level, warp After crossing logical AND gate, the output end of the comparator unit exports low level, the photoelectric isolation module receive it is described low When level, the electric connection controlled between the output module and the brake disconnects.
Using a kind of elevator internal contracting brake power supply provided by the embodiments of the present application, the inside electricity to elevator internal contracting brake power supply can be passed through Road is improved, and can effectively monitor the fault signatures such as overcurrent or overvoltage, and disconnects the loads such as band-type brake power supply and brake It being electrically connected, the loads such as effective protection band-type brake power supply and brake effectively improve the safety and reliability of elevator internal contracting brake power supply, And then effectively improve the safety and reliability of elevator.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments described in application, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of modular structure schematic diagram for elevator internal contracting brake power supply that the application one embodiment provides;
Fig. 2 is the electrical block diagram for the comparator unit that the application one embodiment provides.
Specific implementation mode
The embodiment of the present application provides a kind of modular structure schematic diagram of elevator internal contracting brake power supply.
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality The attached drawing in example is applied, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described implementation Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common The every other embodiment that technical staff is obtained without creative efforts should all belong to the application protection Range.
Fig. 1 is a kind of a kind of herein described modular structure schematic diagram of embodiment of elevator internal contracting brake power supply.Although the application Provide such as following embodiments or apparatus structure shown in the drawings, but based on it is conventional or without performing creative labour in the dress It may include more or less modular unit in setting.It is not present in logicality in necessary causal structure, these The modular structure of device is not limited to the embodiment of the present application or modular structure shown in the drawings.
Specifically, as described in Figure 1, a kind of a kind of embodiment of elevator internal contracting brake power supply provided by the present application may include:
Rectification filtering module 101 is electrically connected with power input, and half is obtained for carrying out full-wave rectification to input voltage Wave voltage;
Voltage transformation module 102 is electrically connected with the rectification filtering module 101, for becoming the half-wave voltage passed through It changes and is divided into excitation voltage and maintenance voltage, the excitation voltage and the maintenance voltage are used as output voltage;
Output module 103 is electrically connected with the voltage transformation module 102, for exporting excitation voltage to brake, institute It further includes delay output module 1031, the excitation voltage for exporting preset time in the output module 103 to state output module Afterwards, maintenance voltage is exported to the brake;
Comparator unit 104 is electrically connected with the output module 103, is used for the output voltage and reference voltage It is compared, and output voltage comparison result, is additionally operable to output current being compared with reference current, and output current compares As a result;
Photoelectric isolation module 105 is electrically connected with the output end of the comparator unit 104, for according to the voltage Comparison result or/and electric current comparison result, control the conducting being electrically connected between the output module 103 and the brake or It disconnects.
In this example, when the voltage comparison result that the photoelectric isolation module 105 receives is more than institute for the output voltage When stating reference voltage, the electric connection controlled between the output module 103 and the brake disconnects.
In this example, when the electric current comparison result that the photoelectric isolation module 105 receives is more than institute for the output current When stating reference current, the electric connection controlled between the output module 103 and the brake disconnects.
In this example, when the voltage comparison result that the photoelectric isolation module 105 receives be the output voltage be less than or Equal to the reference voltage, and when the electric current comparison result is that output current is less than or equal to reference current, control is described defeated The electric connection gone out between module 103 and the brake is held on.
Comparison result in above-described embodiment is mainly obtained by comparing the logical operation of device unit.Fig. 2 is the application one The electrical block diagram of comparator unit described in a embodiment, specifically, as shown in Fig. 2, the comparator unit 104 May include:
Voltage comparison module 1041, current comparing module 1042 are respectively used to the output voltage and output electricity Stream is compared;
The output end 1 of the voltage comparison module 1041 and the output end 14 of the current comparing module 1042 are separately connected In two input terminals 10 and 11 of logical AND gate, the output of the output end 13 of the logical AND gate as the comparator unit End,
The output end of the comparator unit 104 is electrically connected with the photoelectric isolation module 105, the Phototube Coupling mould The electric signal that block 105 is exported according to the output end of the comparator unit 104, controls the output module 103 and the braking The disconnection or conducting being electrically connected between device.
As shown in Fig. 2, in this example, the voltage comparison module 1041 includes voltage comparator, the voltage comparator Reference voltage end 6 is electrically connected with the output module 103, is used for input and output voltage, the reference electricity of the voltage comparator Press 7 ends for input reference voltage.
As shown in Fig. 2, the reference voltage end 6 is by being connected to the B+ of the output module 103 after multiple divider resistances End.
Corresponding, as shown in Fig. 2, in this example, the current comparing module 1042 includes current comparator, the electric current ratio Reference current end 8 compared with device is electrically connected with the output module 103, is used for input and output electric current, the current comparator Reference current end 9 is for inputting reference current.
As shown in Fig. 2, the reference current end 8 is by being connected to the B- of the output module 103 after multiple divider resistances End.
In this example, LM339D models comparator may be used as voltage comparator or current comparator.
In this example, as shown in Fig. 2, the voltage signal at the output end 3 and A of the logical AND gate passes through second logical AND Export C signal behind the door, the output end of the output end 16 of the C signal as comparator unit 104.In the application other embodiment In, output end that can also directly by the output end of logical AND gate 13 as comparator unit 104, as long as voltage ratio may be implemented Compared with the logic of the "AND" of the output end 14 of the output end 1 and current comparing module 1042 of module 1041.
The working method of the band-type brake power supply to being provided with comparator unit described in above-described embodiment combines specific event below Barrier situation illustrates:
In this example, when the output voltage is less than or equal to reference voltage and the output current is less than or equal to reference to electricity When stream, the voltage comparator 1041 exports high level, and the current comparator 1042 exports high level, by logical AND gate Afterwards, the output end of the comparator unit 104 exports high level, and the photoelectric isolation module 105 is receiving the high level When, the electric connection controlled between the output module 103 and the brake is connected.
When the output voltage is more than reference voltage, the voltage comparator 1041 exports low level, by logical AND Behind the door, the output end of the comparator unit 104 exports low level, and the photoelectric isolation module 105 is receiving the low electricity Usually, the electric connection controlled between the output module 103 and the brake disconnects.
When the output current is more than reference current, the current comparator 1042 exports low level, by logical AND Behind the door, the output end of the comparator unit 104 exports low level, and the photoelectric isolation module 105 is receiving the low electricity Usually, the electric connection controlled between the output module 103 and the brake disconnects.
It, can be real by comparing device unit using a kind of embodiment for elevator internal contracting brake power supply that the various embodiments described above provide When monitoring output voltage and output current whether overload, once output voltage or output current are overloaded, so that it may to pass through Phototube coupling unit cuts off the electric connection between the output module and the brake in time, can timely and effectively avoid Band-type brake power supply or brake are burned.In troubleshooting or there is no when failure, the photoelectric isolation module control is described defeated The electric connection gone out between module and brake is connected, and makes the band-type brake power supply and the brake normal operation.It can be effective The safety and reliability of elevator internal contracting brake system is improved, and then can effectively improve safety and the validity of elevator.
Device that above-described embodiment illustrates or module etc. can specifically realize by computer chip or entity, or by having There is the product of certain function to realize.For convenience of description, it is divided into various modules when description apparatus above with function to retouch respectively It states.Certainly, the function of each module is realized can in the same or multiple software and or hardware when implementing the application, The module for realizing same function can be realized by the combination of multiple submodule etc..Device embodiment described above is only Schematically, for example, the division of the module, only a kind of division of logic function, can there is other draw in actual implementation The mode of dividing, such as multiple module or components can be combined or can be integrated into another system, or some features can be ignored, Or it does not execute.
Each embodiment in this specification is described by the way of progressive, same or analogous portion between each embodiment Point just to refer each other, and each embodiment focuses on the differences from other embodiments.
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that the application there are many deformation and Variation is without departing from spirit herein, it is desirable to which the attached claims include these deformations and change without departing from the application's Spirit.

Claims (10)

1. a kind of elevator internal contracting brake power supply, which is characterized in that the power supply includes:
Rectification filtering module is electrically connected with power input, and half-wave voltage is obtained for carrying out full-wave rectification to input voltage;
Voltage transformation module is electrically connected with the rectification filtering module, for the half-wave voltage passed through transformation to be divided into excitation Voltage and maintenance voltage, the excitation voltage and the maintenance voltage are used as output voltage;
Output module is electrically connected with the voltage transformation module, for exporting excitation voltage to brake, the output module Further include delay output module, for after the excitation voltage that the output module exports preset time, output maintenance voltage to be extremely The brake;
Comparator unit is electrically connected with the output module, for the output voltage to be compared with reference voltage, and Output voltage comparison result is additionally operable to output current being compared with reference current, and output current comparison result;
Photoelectric isolation module is electrically connected with the output end of the comparator unit, for according to the voltage comparison result or/ With electric current comparison result, being turned on or off of being electrically connected between the output module and the brake is controlled.
2. a kind of elevator internal contracting brake power supply as described in claim 1, which is characterized in that received when the photoelectric isolation module When voltage comparison result is that the output voltage is more than the reference voltage, control between the output module and the brake Electric connection disconnect.
3. a kind of elevator internal contracting brake power supply as described in claim 1, which is characterized in that received when the photoelectric isolation module When electric current comparison result is that the output current is more than the reference current, control between the output module and the brake Electric connection disconnect.
4. a kind of elevator internal contracting brake power supply as described in claim 1, which is characterized in that received when the photoelectric isolation module Voltage comparison result is that the output voltage is less than or equal to the reference voltage, and the electric current comparison result is output current When less than or equal to reference current, the electric connection controlled between the output module and the brake is held on.
5. a kind of elevator internal contracting brake power supply as described in claim 1, which is characterized in that the comparator unit includes:Voltage ratio Compared with module, current comparing module, it is respectively used to be compared the output voltage and the output current;
The output end of the voltage comparison module and the output end of the current comparing module are connected to the two of logical AND gate A input terminal, the output end of the output end of the logical AND gate as the comparator unit,
The output end of the comparator unit is electrically connected with the photoelectric isolation module, and the photoelectric isolation module is according to The electric signal of the output end output of comparator unit, controls the disconnection being electrically connected between the output module and the brake Or conducting.
6. a kind of elevator internal contracting brake power supply as claimed in claim 5, which is characterized in that the voltage comparison module includes voltage ratio Compared with device, reference voltage end and the output module of the voltage comparator are electrically connected, and are used for input and output voltage, the electricity The reference voltage end of comparator is pressed to be used for input reference voltage.
7. a kind of elevator internal contracting brake power supply as claimed in claim 5, which is characterized in that the current comparing module includes electric current ratio Compared with device, reference current end and the output module of the current comparator are electrically connected, and are used for input and output electric current, the electricity The reference current end of stream comparator is for inputting reference current.
8. a kind of elevator internal contracting brake power supply as claimed in claim 5, which is characterized in that when the output voltage is less than or equal to ginseng When examining voltage and the output current and being less than or equal to reference current, the voltage comparator exports high level, the electric current ratio High level is exported compared with device, after logical AND gate, the output end of the comparator unit exports high level, the Phototube Coupling mould When receiving the high level, the electric connection controlled between the output module and the brake is connected block.
9. a kind of elevator internal contracting brake power supply described in claim 5 or 8, which is characterized in that when the output voltage is more than with reference to electricity When pressure, the voltage comparator exports low level, and after logical AND gate, the output end of the comparator unit exports low electricity Flat, the photoelectric isolation module controls the electricity between the output module and the brake when receiving the low level Property connection disconnect.
10. a kind of elevator internal contracting brake power supply as described in claim 5 or 8, which is characterized in that when the output current is more than reference When electric current, the current comparator exports low level, and after logical AND gate, the output end of the comparator unit exports low electricity Flat, the photoelectric isolation module controls the electricity between the output module and the brake when receiving the low level Property connection disconnect.
CN201721922222.4U 2017-12-29 2017-12-29 A kind of elevator internal contracting brake power supply Active CN207782382U (en)

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Application Number Priority Date Filing Date Title
CN201721922222.4U CN207782382U (en) 2017-12-29 2017-12-29 A kind of elevator internal contracting brake power supply

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Application Number Priority Date Filing Date Title
CN201721922222.4U CN207782382U (en) 2017-12-29 2017-12-29 A kind of elevator internal contracting brake power supply

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108075444A (en) * 2017-12-29 2018-05-25 苏州江南嘉捷机电技术研究院有限公司 A kind of elevator internal contracting brake power supply

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108075444A (en) * 2017-12-29 2018-05-25 苏州江南嘉捷机电技术研究院有限公司 A kind of elevator internal contracting brake power supply

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Effective date of registration: 20200916

Address after: 215122 No. 1, Exhibition Road, Suzhou Industrial Park, Jiangsu

Patentee after: SUZHOU SJEC OPTO-MECHANTRONICS TECHNOLOGY Co.,Ltd.

Address before: 215122 No. 1, Exhibition Road, Suzhou Industrial Park, Suzhou, Jiangsu

Patentee before: SJEC Corp.

CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 215122 1 Exhibition Hall Road, Suzhou Industrial Park, Jiangsu

Patentee after: Suzhou Xili Technology Co.,Ltd.

Country or region after: China

Address before: 215122 1 Exhibition Hall Road, Suzhou Industrial Park, Jiangsu

Patentee before: SUZHOU SJEC OPTO-MECHANTRONICS TECHNOLOGY Co.,Ltd.

Country or region before: China