CN206447440U - Elevator internal contracting brake control device - Google Patents
Elevator internal contracting brake control device Download PDFInfo
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- CN206447440U CN206447440U CN201621398236.6U CN201621398236U CN206447440U CN 206447440 U CN206447440 U CN 206447440U CN 201621398236 U CN201621398236 U CN 201621398236U CN 206447440 U CN206447440 U CN 206447440U
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Abstract
The utility model is related to a kind of elevator internal contracting brake control device, it is characterised in that including band-type brake contactor, rectification unit and copped wave unit；The band-type brake contactor, the rectification unit and the copped wave unit are sequentially connected, the input side connection AC power of the band-type brake contactor, and band-type brake coil is connected between the positive terminal and negative pole end of the outlet side of the copped wave unit., can be with cost-effective using the utility model scheme, and the number of discrete device is reduced, save switch board space.
Description
Technical field
The utility model is related to elevator technology field, more particularly to a kind of elevator internal contracting brake control device.
Background technology
Elevator internal contracting brake device is the important safety part of elevator, and power failure state is in when lift car is in static and motor
Under prevent elevator from moving again, its control mode be usually when band-type brake coil obtains electric band-type brake unclamp, during band-type brake coil losing electricity band-type brake embrace
Tightly, the improper lifting of lift car is thus prevented, band brake apparatus opens a sluice gate, the reliability closed a floodgate is necessary bar that elevator is normally run
Part.
Traditional elevator internal contracting brake control device mainly uses electric resistance partial pressure, all-wave halfwave rectifier, controllable silicon half control rectification three
The scheme of kind, the characteristics of these schemes have working stability, circuit is simple.However, these schemes are required to use bulky power frequency
Transformer, and there is the shortcomings of cost is higher.
Utility model content
The purpose of this utility model is to provide a kind of elevator internal contracting brake control device, it may not be necessary to use bulky power frequency
Transformer, reduces cost.
The purpose of this utility model is achieved through the following technical solutions：
A kind of elevator internal contracting brake control device, including band-type brake contactor, rectification unit and copped wave unit；
The band-type brake contactor, the rectification unit and the copped wave unit are sequentially connected, the band-type brake contactor it is defeated
Enter side connection AC power, band-type brake coil is connected between the positive terminal and negative pole end of the outlet side of the copped wave unit.
According to above-mentioned scheme of the present utility model, it includes band-type brake contactor, rectification unit and copped wave unit, the band-type brake
Contactor, the rectification unit and the copped wave unit are sequentially connected, the input side connection AC power of the band-type brake contactor,
Band-type brake coil is connected between the positive terminal and negative pole end of the outlet side of the copped wave unit, using scheme of the present utility model, is led to
Alternating voltage can be converted into DC voltage by over commutation unit, the direct current that can be obtained rectification by the effect of copped wave unit
Magnitude of voltage is reduced to required magnitude of voltage, therefore, it is no longer necessary to bulky Industrial Frequency Transformer is used, with existing power frequency transformation
Device+electric resistance partial pressure, full halfwave rectifier or silicon controlled rectifier are compared, and cost is substantially reduced, simultaneously as no longer needing to use
Bulky Industrial Frequency Transformer, can be integrated on circuit boards by the device such as rectification unit and copped wave unit, reduces discrete device
Number, saves switch board space.
Brief description of the drawings
Fig. 1 be one embodiment in elevator internal contracting brake control device composition structural representation；
Fig. 2 be another embodiment in elevator internal contracting brake control device composition structural representation；
Fig. 3 be further embodiment in elevator internal contracting brake control device composition structural representation；
Fig. 4-1 constitutes structural representation for the refinement of the copped wave unit in one embodiment；
Fig. 4-2 constitutes structural representation for the refinement of the copped wave unit in one embodiment；
Fig. 5 be another embodiment in elevator internal contracting brake control device composition structural representation；
Fig. 6 be another embodiment in elevator internal contracting brake control device composition structural representation.
Embodiment
The utility model is further elaborated with reference to embodiment and accompanying drawing, but implementation of the present utility model is not
It is limited to this.
It is shown in Figure 1, it is the composition structural representation of the elevator internal contracting brake control device in one embodiment.Such as Fig. 1 institutes
Show, the elevator internal contracting brake control device in the present embodiment includes band-type brake contactor 101, rectification unit 102 and copped wave unit 103；
Band-type brake contactor 101, rectification unit 102 and copped wave unit 103 are sequentially connected, the input side of band-type brake contactor 101
AC power is connected, band-type brake coil 100 is connected between the positive terminal and negative pole end of the outlet side of copped wave unit 103.
Wherein, AC power typically refers to AC220V, i.e. alternating current 220V voltages, but be also not necessarily limited to this as shown in Figure 1.
Wherein, when band-type brake contactor 101 is mainly used in each startup of elevator and stopped, opening or cut off locking system
Supply input.
Wherein, copped wave unit 103 typically using the SR-BUCK technologies in non-isolated power source design, (cut by synchronous rectification decompression
Wave technology), but it is also not necessarily limited to this, it would however also be possible to employ the double tube positive exciting converter technique in insulating power supply scheme.
Accordingly, using the scheme of the present embodiment, the alternating voltage of AC power can be converted into by rectification unit 102
The DC voltage value that rectification is obtained, required magnitude of voltage can be reduced to by the effect of copped wave unit 103 by DC voltage,
Therefore, it is no longer necessary to bulky Industrial Frequency Transformer is used, with Industrial Frequency Transformer+electric resistance partial pressure, full halfwave rectifier or controllable silicon
Rectification is compared, and cost is substantially reduced, simultaneously as no longer need to use bulky Industrial Frequency Transformer, can be by rectification unit 102
It is integrated in the grade device of copped wave unit 103 on one piece of circuit board, reduces the number of discrete device, saves switch board space.
Elevator internal contracting brake control device in one of the embodiments, as shown in Fig. 2 microcontroller 201 can also be included
With drive circuit 202, the input of drive circuit 202 connects the output end of microcontroller 201, the output end of drive circuit 202
Connect the control end of copped wave unit 103.
Wherein, drive circuit 202 can use current source PWM chip, and microcontroller 201 can send control letter
Number to drive circuit 202 and then adjust the output voltage values of copped wave unit 103.
In addition, traditional elevator internal contracting brake control device is mainly whole using electric resistance partial pressure, all-wave halfwave rectifier, controllable silicon half control
Three kinds of schemes are flowed, and typically use opened loop control, easily by factors such as power network fluctuation, coil resistance, temperature rises in actual control
Influence, therefore need to consider larger surplus in design, coil current is also increased while cost is increased, reduction coil makes
Use the life-span.Therefore, elevator internal contracting brake control device in one of the embodiments, can also include input AC synchronously detection electricity
Road 301, input voltage sample circuit 302, output current detection circuit 303, output voltage detecting circuit 304, sampling resistor 305
With divider resistance 306；
The input of input AC sync detection circuit 301 and the input of input voltage sample circuit 302 are connected respectively
The input side of rectification unit 102, the output end of input AC sync detection circuit 301 and input voltage sample circuit 302 it is defeated
Go out end and connect microcontroller 201 respectively；
The negative pole end of the outlet side of one end connection copped wave unit 103 of sampling resistor 305, the other end of sampling resistor 305
One end of signal ground and divider resistance 306, the outlet side of the other end connection copped wave unit 103 of divider resistance 306 are connected respectively
Positive terminal；
The input of output current detection circuit 303 is connected with the test side of sampling resistor 305, output current detection circuit
303 output end connection microcontroller 201, the input of output voltage detecting circuit 304 connects with the test side of divider resistance 306
Connect, the output end connection microcontroller 201 of output voltage detecting circuit 304.
Wherein, divider resistance 306 can include multiple resistance being cascaded as shown in Figure 3, but it is also possible to including adopting
With multiple connection in series-parallel Hybrid connections in the resistance of one, the tie point conduct between any two resistance can be selected as needed
The test side of divider resistance 306.
Can be as needed, a position in the middle of the two ends of sampling resistor 305 is selected as the detection of sampling resistor 305
End.
Elevator internal contracting brake control device in one of the embodiments, can also include analog to digital conversion circuit, input AC
The output end of sync detection circuit 301, the output end of input voltage sample circuit 302, the output of output current detection circuit 303
The output end of end and output voltage detecting circuit 304 connects microcontroller 201 through the analog to digital conversion circuit.
Wherein, input voltage sample circuit 302 is mainly used in input voltage overrun testing, including over-pressed, under-voltage detection；It is defeated
Enter AC synchronous detection circuit 301 and be mainly used in the detection of alternating voltage zero-crossing point, output current detection circuit 303 mainly ensures
Output current precision, and carry out excessively stream, overload protection.
Wherein, input AC sync detection circuit 301, input voltage sample circuit 302, output current detection circuit 303
Detection circuit is constituted with output voltage detecting circuit 304.This allows for band-type brake power supply using synchronous rectification buck chopper technology,
Input AC network wave need to be detected, accordingly, it would be desirable to input AC sync detection circuit 301.Power supply need to possess some protection work(
Can, including input overvoltage protection and under-voltage protection, it is therefore desirable to input voltage is sampled, that is, needs input voltage sample circuit
302.In addition, power supply need to possess output overcurrent protection and short-circuit protection, the constant of output voltage/electric current need to be maintained, therefore need tool
Standby output current detection circuit 303 and output voltage detecting circuit 304.
Input AC sync detection circuit 301, input voltage sample circuit 302, output current detection circuit 303, output
Voltage detecting circuit 304, microcontroller 201 and drive circuit 202 constitute a closed loop, it is possible to achieve closed-loop control.
In one of the embodiments, illustrated exemplified by using the SR-BUCK technologies in non-isolated power source design, such as
Shown in Fig. 4-1, copped wave unit 103 can include the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2, the first electric capacity C1 and the first inductance L1；
The positive terminal of the first metal-oxide-semiconductor Q1 drain electrode connection outlet side of rectification unit 102, the second metal-oxide-semiconductor Q1 drain electrode connection
The negative pole end of the outlet side of rectification unit 102, the first metal-oxide-semiconductor Q1 source electrode and the second metal-oxide-semiconductor Q2 drain electrode is connected, the first inductance L1
One end connect respectively the first metal-oxide-semiconductor Q1 source electrode and the second metal-oxide-semiconductor Q2 drain electrode, the first inductance L1 other end connects respectively
First electric capacity C1 one end and one end of band-type brake coil 100, the first electric capacity C1 other end connect the second metal-oxide-semiconductor Q1 source respectively
Pole and the other end of band-type brake coil 100, the first metal-oxide-semiconductor Q1 grid and the second metal-oxide-semiconductor Q2 grid are used as copped wave unit 103
Control end.
Wherein, the first metal-oxide-semiconductor Q1 is as main switch, and the second metal-oxide-semiconductor Q2 is used as synchronous rectifier.In the present embodiment,
By the extremely low metal-oxide-semiconductor of two on state resistances to substitute traditional commutation diode to reduce rectifier loss.It is whole compared to traditional
For stream-bulky capacitor filter circuit, supply harmonic is which greatly reduced, electrical source power factor is improved, while in rectification outlet side
Without big capacity electrolyte capacitor, thus also substantially increase locking system service life.
Wherein, the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2 always work in complementary state, i.e., when the first metal-oxide-semiconductor Q1 is turned on,
Second metal-oxide-semiconductor Q2 is turned off；When the first metal-oxide-semiconductor Q1 is turned off, the second metal-oxide-semiconductor Q2 conducting afterflows.
Wherein, the detected value of input AC sync detection circuit 301, the detected value of input voltage sample circuit 302, output
Detected value, the detected value of output voltage detecting circuit 304 of current detection circuit 303 input to microcontroller 13 and handled,
Microcontroller 13 sends control signal to drive circuit 202 according to these detected values, by changing the first metal-oxide-semiconductor Q1 and second
Metal-oxide-semiconductor Q2 dutycycles adjust the purpose of output to reach.
In one of the embodiments, illustrated by taking the double tube positive exciting converter technique in insulating power supply scheme as an example, such as
Shown in Fig. 4-2, copped wave unit 103 can include the 3rd metal-oxide-semiconductor Q3, the 4th metal-oxide-semiconductor Q4, the first diode D1, the second diode
D2, the 3rd diode D3, the 4th diode D4, the second electric capacity C2, the second inductance L2 and transformer T1；
The positive terminal of 3rd metal-oxide-semiconductor Q3 drain electrode connection rectification unit outlet side, the 4th metal-oxide-semiconductor Q4 source electrode connection rectification
The negative pole end of unit outlet side, the 3rd metal-oxide-semiconductor Q3 drain electrode is also connected with the first diode D1 negative pole, the 3rd metal-oxide-semiconductor Q3 source
Pole connects the second diode D2 negative pole and transformer T1 first input end respectively, and the first diode D1 positive pole is connected respectively
The drain electrode of transformer T1 the second input and the 4th metal-oxide-semiconductor Q4, the second diode D2 positive pole and the 4th metal-oxide-semiconductor Q4 source electrode
It is grounded respectively, transformer T1 the first output end connects the 3rd diode D3 positive pole, the 3rd diode D3 negative pole connects respectively
The 4th diode D4 negative pole and the second inductance L2 one end are connect, the second inductance L2 other end connects the one of the second electric capacity respectively
End and one end of band-type brake coil 110, transformer T1 the second output end connect the 4th diode D4 positive pole, the second electric capacity respectively
The C2 other end and the other end of band-type brake coil 110, the 3rd metal-oxide-semiconductor Q3 grid and the 4th metal-oxide-semiconductor Q4 grid are used as copped wave
The control end of unit 103.
This technology employs two switching tubes, and two switching tubes (the 3rd metal-oxide-semiconductor Q3, the 4th diode Q4) are in PWM
Simultaneously turn on, simultaneously turn off in the presence of (Pulse Width Modulation, pulse width modulation) signal.One wherein
In embodiment, as shown in figure 5, elevator internal contracting brake control device of the present utility model can also include filter unit 501, filter unit
501 are connected between band-type brake contactor 101 and rectification unit 102, and filter unit 501 is used to eliminate influence of noise.
In one of the embodiments, as shown in figure 5, elevator internal contracting brake control device of the present utility model can also include it is auxiliary
Help switching power supply 502, the input side connection AC power of auxiliary switching power supply unit 502, auxiliary switching power supply unit 502
Outlet side connect the power end of drive circuit 202 and the power end of microcontroller 201 respectively.
Due to the input side connection AC power of, auxiliary switching power supply unit 502, as long as thus AC power have always
Electricity, then auxiliary switching power supply unit 502 have electricity always, think that drive circuit 202 and microcontroller 201 are powered.
In one of the embodiments, as shown in figure 5, elevator internal contracting brake control device of the present utility model can also include continuing
Road 503 is flowed back to, one end of continuous current circuit 503 is connected with one end of band-type brake coil 100, the other end and band-type brake of continuous current circuit 503
The other end connection of coil 100.
Wherein, continuous current circuit 503 its be mainly that band-type brake power remove provides path of releasing for band-type brake coil residual current.
The continuous current circuit 503 shown in Fig. 5 is also not necessarily limited to this by the way of resistance and Diode series, for example, it is also possible to using
Resistance and electric capacity mode in parallel.
In one of the embodiments, as shown in fig. 6, elevator internal contracting brake control device of the present utility model can also include ginseng
Number setting means 601, the connection microcontroller 201 of parameter setting instrument 601, parameter setting instrument 601 is used to easily to change
Become the output of locking system, to meet different band-type brake demands.Parameter setting instrument 601 is mainly used in adjustment elevator internal contracting brake control
The parameter information of device, when mainly including magnet excitation size of current, magnet excitation duration, maintaining size of current, electric current rising
Between or/and downslope time.Control panel can specifically be included and display screen on the control panel and control are set
Button.Parameter setting instrument 601 can be connected by I2C communication interfaces with microcontroller 201.Using the parameter setting instrument
601, in that context it may be convenient to adjust band-type brake information to realize the matching test of different band-type brakes.
In one of the embodiments, as shown in fig. 6, elevator internal contracting brake control device of the present utility model can also include light
Coupling isolated location 602, microcontroller 201 is also connected by light-coupled isolation unit 602 with elevator master control system 600.Specifically, may be used
So that the copped wave list of elevator internal contracting brake control device can be controlled by sending enable on/off signal by elevator master control system 600
The first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2 on/off inside member.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (11)
1. a kind of elevator internal contracting brake control device, it is characterised in that including band-type brake contactor, rectification unit and copped wave unit；
The band-type brake contactor, the rectification unit and the copped wave unit are sequentially connected, the input side of the band-type brake contactor
AC power is connected, band-type brake coil is connected between the positive terminal and negative pole end of the outlet side of the copped wave unit.
2. elevator internal contracting brake control device according to claim 1, it is characterised in that also including microcontroller and driving electricity
Road, the input of the drive circuit connects the output end of the microcontroller, and the output end connection of the drive circuit is described
The control end of copped wave unit.
3. elevator internal contracting brake control device according to claim 2, it is characterised in that also synchronously detection is electric including input AC
Road, input voltage sample circuit, output current detection circuit, output voltage detecting circuit, sampling resistor and divider resistance；
The input of the input of the input AC sync detection circuit and the input voltage sample circuit connects institute respectively
State the input side of rectification unit, the output end of the input AC sync detection circuit and the input voltage sample circuit it is defeated
Go out end and connect the microcontroller respectively；
One end of the sampling resistor connects the negative pole end of the outlet side of the copped wave unit, and the other end of the sampling resistor connects
One end of the divider resistance is connect, the other end of the divider resistance connects the positive terminal of the outlet side of the copped wave unit；
The input of the output current detection circuit is connected with the two ends of the sampling resistor, the output current detection circuit
Output end connect the microcontroller, the test side of the input of the output voltage detecting circuit and the divider resistance connects
Connect, the output end of the output voltage detecting circuit connects the microcontroller.
4. elevator internal contracting brake control device according to claim 3, it is characterised in that described also including analog to digital conversion circuit
The output end of input AC sync detection circuit and the output end of the input voltage sample circuit, output electric current measure electricity
The output end on road and the output end of the output voltage detecting circuit connect the microcontroller through analog-digital conversion circuit as described respectively
Device.
5. the elevator internal contracting brake control device according to one of claim 2 to 4, it is characterised in that：
The copped wave unit includes the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the first electric capacity, the first inductance；The drain electrode of first metal-oxide-semiconductor
The positive terminal of the rectification unit outlet side is connected, the source electrode of second metal-oxide-semiconductor connects the negative of the rectification unit outlet side
Extremely, the drain electrode of the source electrode of first metal-oxide-semiconductor and second metal-oxide-semiconductor is connected, and one end of first inductance is connected respectively
The drain electrode of the source electrode of first metal-oxide-semiconductor and second metal-oxide-semiconductor, the other end of first inductance connects described first respectively
The other end difference of one end of electric capacity and one end of the band-type brake coil, the other end of first electric capacity and the band-type brake coil
The source electrode of second metal-oxide-semiconductor is connected, the grid of first metal-oxide-semiconductor and the grid of the second metal-oxide-semiconductor are used as the copped wave unit
Control end；
Or
The copped wave unit includes the 3rd metal-oxide-semiconductor, the 4th metal-oxide-semiconductor, the first diode, the second diode, the 3rd diode, the 4th
Diode, the second electric capacity, the second inductance and transformer；The drain electrode connection rectification unit outlet side of 3rd metal-oxide-semiconductor
Positive terminal, the source electrode of the 4th metal-oxide-semiconductor connects the negative pole end of the rectification unit outlet side, the drain electrode of the 3rd metal-oxide-semiconductor
Be also connected with the negative pole of first diode, the source electrode of the 3rd metal-oxide-semiconductor connect respectively second diode negative pole and
The first input end of the transformer, the positive pole of first diode connects the second input and the institute of the transformer respectively
State the drain electrode of the 4th metal-oxide-semiconductor, the source electrode of the positive pole of second diode and the 4th metal-oxide-semiconductor is grounded respectively, the transformation
First output end of device connects the positive pole of the 3rd diode, and the second output end of the transformer connects the described 4th respectively
One end of the positive pole of diode, one end of second electric capacity and the band-type brake coil, the negative pole difference of the 3rd diode
The negative pole of the 4th diode and one end of second inductance are connected, the other end of second inductance connects described respectively
The other end of the other end of second electric capacity and the band-type brake coil.
6. elevator internal contracting brake control device according to claim 1, it is characterised in that：
The copped wave unit includes the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the first electric capacity, the first inductance；The drain electrode of first metal-oxide-semiconductor
The positive terminal of the rectification unit outlet side is connected, the source electrode of second metal-oxide-semiconductor connects the negative of the rectification unit outlet side
Extremely, the drain electrode of the source electrode of first metal-oxide-semiconductor and second metal-oxide-semiconductor is connected, and one end of first inductance is connected respectively
The drain electrode of the source electrode of first metal-oxide-semiconductor and second metal-oxide-semiconductor, the other end of first inductance connects described first respectively
The other end difference of one end of electric capacity and one end of the band-type brake coil, the other end of first electric capacity and the band-type brake coil
The source electrode of second metal-oxide-semiconductor is connected, the grid of first metal-oxide-semiconductor and the grid of the second metal-oxide-semiconductor are used as the copped wave unit
Control end；
Or
The copped wave unit includes the 3rd metal-oxide-semiconductor, the 4th metal-oxide-semiconductor, the first diode, the second diode, the 3rd diode, the 4th
Diode, the second electric capacity, the second inductance and transformer；The drain electrode connection rectification unit outlet side of 3rd metal-oxide-semiconductor
Positive terminal, the source electrode of the 4th metal-oxide-semiconductor connects the negative pole end of the rectification unit outlet side, the drain electrode of the 3rd metal-oxide-semiconductor
Be also connected with the negative pole of first diode, the source electrode of the 3rd metal-oxide-semiconductor connect respectively second diode negative pole and
The first input end of the transformer, the positive pole of first diode connects the second input and the institute of the transformer respectively
State the drain electrode of the 4th metal-oxide-semiconductor, the source electrode of the positive pole of second diode and the 4th metal-oxide-semiconductor is grounded respectively, the transformation
First output end of device connects the positive pole of the 3rd diode, and the second output end of the transformer connects the described 4th respectively
One end of the positive pole of diode, one end of second electric capacity and the band-type brake coil, the negative pole difference of the 3rd diode
The negative pole of the 4th diode and one end of second inductance are connected, the other end of second inductance connects described respectively
The other end of the other end of second electric capacity and the band-type brake coil.
7. the elevator internal contracting brake control device according to one of claim 1-4 or described in 6, it is characterised in that also including filter unit,
The filter unit is connected between the band-type brake contactor and the rectification unit.
8. elevator internal contracting brake control device according to claim 5, it is characterised in that also including auxiliary switching power supply unit,
The input side connection AC power of the auxiliary switching power supply unit, the outlet side of the auxiliary switching power supply unit is connected respectively
The power end of the power end of the drive circuit and the microcontroller.
9. elevator internal contracting brake control device according to claim 5, it is characterised in that described also including light-coupled isolation unit
Microcontroller is also connected by the light-coupled isolation unit with elevator master control system.
10. elevator internal contracting brake control device according to claim 5, it is characterised in that described also including parameter setting instrument
Parameter setting instrument connects the microcontroller.
11. the elevator internal contracting brake control device according to one of claim 1-4 or described in 6, it is characterised in that also returned including afterflow
Road, one end of the continuous current circuit is connected with one end of the band-type brake coil, the other end of the continuous current circuit and the band-type brake
The other end connection of coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621398236.6U CN206447440U (en) | 2016-12-19 | 2016-12-19 | Elevator internal contracting brake control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621398236.6U CN206447440U (en) | 2016-12-19 | 2016-12-19 | Elevator internal contracting brake control device |
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| CN206447440U true CN206447440U (en) | 2017-08-29 |
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| CN201621398236.6U Active CN206447440U (en) | 2016-12-19 | 2016-12-19 | Elevator internal contracting brake control device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840219A (en) * | 2017-11-21 | 2018-03-27 | 广州广日电气设备有限公司 | Band-type brake coil control circuit, method, band-type brake control power-supply device and elevator |
| CN109639196A (en) * | 2019-01-31 | 2019-04-16 | 李旭春 | Exchange the flexible method of controlling operation and control circuit of magnetic motor |
| CN110138218A (en) * | 2019-06-25 | 2019-08-16 | 深圳市海浦蒙特科技有限公司 | A kind of band-type brake power supply of adjustable output voltage |
| WO2020103480A1 (en) * | 2018-11-20 | 2020-05-28 | 日立楼宇技术（广州）有限公司 | Elevator braking control device and method |
| WO2022033439A1 (en) * | 2020-08-11 | 2022-02-17 | 苏州汇川技术有限公司 | Control circuit based on single band-type brake contactor, and elevator band-type brake system |
| CN114200872A (en) * | 2022-02-16 | 2022-03-18 | 广东科伺智能科技有限公司 | Band-type brake system of servo motor |
-
2016
- 2016-12-19 CN CN201621398236.6U patent/CN206447440U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840219A (en) * | 2017-11-21 | 2018-03-27 | 广州广日电气设备有限公司 | Band-type brake coil control circuit, method, band-type brake control power-supply device and elevator |
| WO2020103480A1 (en) * | 2018-11-20 | 2020-05-28 | 日立楼宇技术（广州）有限公司 | Elevator braking control device and method |
| CN109639196A (en) * | 2019-01-31 | 2019-04-16 | 李旭春 | Exchange the flexible method of controlling operation and control circuit of magnetic motor |
| CN110138218A (en) * | 2019-06-25 | 2019-08-16 | 深圳市海浦蒙特科技有限公司 | A kind of band-type brake power supply of adjustable output voltage |
| CN110138218B (en) * | 2019-06-25 | 2020-08-11 | 深圳市海浦蒙特科技有限公司 | Band-type brake power supply with adjustable output voltage |
| WO2022033439A1 (en) * | 2020-08-11 | 2022-02-17 | 苏州汇川技术有限公司 | Control circuit based on single band-type brake contactor, and elevator band-type brake system |
| CN114200872A (en) * | 2022-02-16 | 2022-03-18 | 广东科伺智能科技有限公司 | Band-type brake system of servo motor |
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Address after: Nanxiang three road, Science City high tech Industrial Development Zone, Guangzhou city of Guangdong Province, No. 2 510660 Patentee after: Hitachi building technologies (Guangzhou) Co. Ltd. Address before: Nanxiang Road three Guangzhou Science City 510660 high tech Industrial Development Zone, Guangdong city of Guangzhou province No. 2 Patentee before: Guangzhou Ropente Science and Technology Development Co., Ltd. |
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