CN201901571U - Double power source brake control system for elevator - Google Patents
Double power source brake control system for elevator Download PDFInfo
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- CN201901571U CN201901571U CN2010206746910U CN201020674691U CN201901571U CN 201901571 U CN201901571 U CN 201901571U CN 2010206746910 U CN2010206746910 U CN 2010206746910U CN 201020674691 U CN201020674691 U CN 201020674691U CN 201901571 U CN201901571 U CN 201901571U
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Abstract
The utility model relates to a double power source brake control system for an elevator, and solves the problem that by the adaptation of a single power source to control a brake return circuit, a brake control system has high energy consumption and the brake is easy to perform false action, so that the service life of the brake is affected. The double power source brake control system comprises an AC input power source, a brake control module, an over-voltage excitement module and a brake device, which are sequentially connected with each other, wherein the over-voltage excitement module comprises a control circuit, a timing circuit, a PWM (pulse width modulation) control circuit, and a drive circuit; the timing circuit is respectively connected to the drive circuit and the PWM control circuit; an output end of the PWM control circuit is connected with the drive circuit, the drive circuit is connected to one input end of the control circuit, and the other input end of the control circuit is connected with the brake control module; and an output end of the control circuit is connected with the brake device. The double power source brake control system has the advantages that by adopting double power sources to switch, the energy consumption is reduced, the temperature of a brake electromagnetic iron coil is lowed, the stability of an output power source of the back end of an over-voltage exciter is ensured, the service life of a brake electromagnet is prolonged, and the manufacturing cost is reduced.
Description
Technical field
The utility model relates to a kind of apparatus for controlling elevator, relates in particular to a kind of band-type brake electromagnet elevator dual power supply band-type brake control system in service life that cuts down the consumption of energy, prolongs.
Background technology
For guaranteeing that elevator normally moves, stops, often need several electromagnetic brakes to be installed and controlled at the elevator traction pusher side.And in order to ensure the accurate and effective work of this band-type brake, often be designed to an independently band-type brake control loop in the elevator industry, and the power supply in this loop can independently be controlled.In the elevator field, big city adopts single power supply control brake loop, as being rectified into voltages such as 110VDC or 24VDC through 380VAC or 220VAC, seals in some control relay contacts, is used to control the band-type brake coil at present.Consider the load magnet coil of brake loop, be inductive load, according to its inductance characteristic, the coil trigger voltage requires generally to need more than 80% of loop voltage than higher, only needs 50% of normal voltage to get final product but keep voltage.Above design can cause brake loop to continue energising a certain magnitude of voltage (as 110VDC), and working current is bigger.Can bring following drawback like this: 1. the band-type brake coil is in the high voltage operation state for a long time, and power network fluctuation (particularly voltage is drawn high the back) produces coil easily and impacts; 2. behind the brake loop path, long-term big electric current makes the band-type brake coil heating easily, changes its induction reactance, reduces its electromagnetic force, may cause the not adhesive of band-type brake coil, causes its misoperation; 3. long-term high potential, big electric current discharge by the band-type brake coil heating, waste a certain amount of electric energy.As Granted publication number is CN201188597Y; name is called a kind of Chinese utility model patent of electromagnetic brake protection system; it comprises electrical control gear; the motor main circuit switch and the electromagnetic brake that are electrically connected with electrical control gear respectively; band-type brake deciliter condition checkout gear is installed on the electromagnetic brake; also be electrically connected a relay between this band-type brake deciliter condition checkout gear and the electrical control gear, be connected with motor on the electromagnetic brake, motor is connected on the electrical control gear by the major loop switch.This patent also is to adopt single power supply control brake loop, and just there is above-mentioned shortcoming in this: the band-type brake coil is in the high voltage operation state for a long time, and power network fluctuation (particularly voltage is drawn high the back) produces coil easily and impacts; Behind the brake loop path, long-term big electric current makes the band-type brake coil heating easily, changes its induction reactance, reduces its electromagnetic force, may cause the not adhesive of band-type brake coil, causes its misoperation; Long-term high potential, big electric current discharge by the band-type brake coil heating, waste a certain amount of electric energy.
Summary of the invention
The band-type brake control system that mainly solved the utility model in the prior art only adopts single power supply control brake loop, energy consumption height, the easy misoperation of band-type brake, influence the band-type brake problem in service life, a kind of band-type brake electromagnet elevator dual power supply band-type brake control system in service life that cuts down the consumption of energy, prolongs is provided.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of elevator dual power supply band-type brake control system, comprise alternating current input power supplying, the band-type brake control module that constitutes by two contacts that links to each other with alternating current input power supplying, the band brake apparatus that links to each other with the band-type brake control module, between described band-type brake control module and band brake apparatus, also be connected with the overvoltage stimulating module, described overvoltage stimulating module comprises that one comes the control circuit of control circuit output voltage by opening and closing its own switch pipe break-make, timing circuit, pwm control circuit and driving circuit, described timing circuit is connected respectively to driving circuit and pwm control circuit, the pwm control circuit mouth links to each other with driving circuit, driving circuit is connected to the control circuit input end, another input end of described control circuit links to each other with the band-type brake control module, and the control circuit mouth links to each other with band brake apparatus.Timing circuit is set with the time, sends high level to driving circuit in setting-up time, sends low level to driving circuit after having crossed setting-up time.The pwm control circuit control Driver Circuit makes out-put supply maintain the output voltage of setting.Control circuit has a switching valve, and it is stable that the conducting duty of driving circuit control control circuit switching valve recently makes output voltage descend.The utility model provides dual power supply for brake loop, makes that the band brake apparatus electromagnet is high potential (big electric current) when starting, and provides one to keep voltage (little electric current) when the electromagnet continuous firing.Dual power supply switches and has reduced energy consumption, and has reduced the intensification of band-type brake magnet coil, has prolonged the service life of band-type brake electromagnet; Also guarantee voltage stable of overvoltage stimulating module rear end, reduced the ratio of electromagnet overvoltage or under-voltage inefficacy, also prolonged the service life of band-type brake electromagnet.In addition, the utility model simple overvoltage stimulating module, easy-to-connect, low cost of manufacture of increasing on original brake loop.
As a kind of preferred version, described overvoltage stimulating module also comprises the sampling feedback circuit, and described sampling feedback circuit input end is connected on described control circuit one mouth, and the mouth of sampling feedback circuit is connected on the pwm control circuit.The sampling feedback circuit is gathered a signal synchronous with line voltage from the mouth of control circuit, sends signal to pwm control circuit, and the dutycycle of the signal control pwm circuit output signal of returning by sampling feedback makes the entire circuit output voltage stabilization.Descend as output end voltage, sampled feedback signal also descends, and delivers to the pwm control circuit input end and makes its output duty of ratio become big, and output voltage is raise.
As a kind of preferred version, described overvoltage stimulating module also comprises trouble detect circuit, and described trouble detect circuit input end links to each other with the sampling feedback circuit, and the trouble detect circuit mouth is connected on the control circuit.The fault detection that increases is guaranteed still can guarantee the work of elevator brake loop under the situation that the overvoltage exiter lost efficacy, and reduces elevator faults.
As a kind of preferred version, described overvoltage stimulating module also comprises the mode of operation indicating circuit, and described mode of operation indicating circuit is connected on the driving circuit.The mode of operation indicating circuit has indicator lamp, and indicator lamp makes things convenient for the user to monitor the state in this loop, convenient for maintaining intuitively.
As a kind of preferred version, described overvoltage stimulating module also comprises auxiliary switching power supply, the input end of described auxiliary switching power supply is connected on the alternating current input power supplying, and the auxiliary switching power supply mouth links to each other with timing circuit, feedback sampling circuit, pwm control circuit, driving circuit and mode of operation indicating circuit respectively.Auxiliary switching power supply is powered to timing circuit, feedback sampling circuit, pwm control circuit, driving circuit, mode of operation indicating circuit, and feedback sampling circuit is also sampled to auxiliary switching power supply in addition.
The utility model has the advantages that: 1. adopt dual power supply to switch and lowered energy consumption, and lowered the temperature of band-type brake magnet coil, prolonged the service life of band-type brake electromagnet; 2. the out-put supply of having guaranteed overvoltage exiter rear end is stable, reduces electromagnet overvoltage or under-voltage inefficacy ratio, has also prolonged the service life of band-type brake electromagnet; 3. easy-to-connect has reduced productive costs; 4. the fault detection of Zeng Jiaing is guaranteed still can guarantee the work of elevator brake loop under the situation that the overvoltage exiter lost efficacy, and reduces elevator faults.
Description of drawings
Fig. 1 is a kind of structural frames view of the present utility model.
The specific embodiment:
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is further described.
Embodiment:
A kind of elevator dual power supply of present embodiment band-type brake control system as shown in Figure 1, includes the alternating current input power supplying 1, band-type brake control module 2, overvoltage stimulating module 3 and the band brake apparatus 4 that are connected successively.This band-type brake control module is made of two contact series connection.The overvoltage stimulating module includes control circuit 6, sampling feedback circuit 8, timing circuit 11, driving circuit 9, pwm control circuit 10, auxiliary switching power supply 5, mode of operation indicating circuit 12 and trouble detect circuit 7.Control circuit 6 input ends link to each other with band-type brake control module 2, mouth links to each other with band brake apparatus 4, timing circuit 11 is connected respectively on pwm control circuit 10 and the driving circuit 9, and the pwm control circuit mouth is connected on the driving circuit, and driving circuit 9 is connected on the control circuit 6.Control circuit has a switching valve, recently controls the out-put supply steady decrease by pwm control circuit by driving circuit master cock pipe conducting duty.Two input ends of sampling feedback circuit link to each other with auxiliary switching power supply 5 with control circuit 6 respectively, sampling feedback circuit mouth is connected on the pwm control circuit 10, the sampling feedback circuit is gathered a signal synchronous with line voltage from the mouth and the auxiliary switching power supply mouth of control circuit, send signal to pwm control circuit, the dutycycle of the signal control pwm circuit output signal of returning by sampling feedback makes the entire circuit output voltage stabilization.Mode of operation indicating circuit 12 is connected on the driving circuit, is used to indicate the mode of operation of brake loop.Trouble detect circuit 7 input ends are connected on the sampling feedback circuit, and mouth is connected on the control circuit.The auxiliary switching power supply input end is connected on the alternating current input power supplying 1, the auxiliary switching power supply mouth links to each other with timing circuit 11, feedback sampling circuit 8, pwm control circuit 10, driving circuit 9 and mode of operation indicating circuit 12 respectively, for these circuit provide power supply.The working process of present embodiment is: when power on circuitry, high level signal of timing circuit 11 outputs is to driving circuit, driving circuit is exported high level to control circuit, make the switching valve conducting in the control circuit, high pressure of control circuit output has satisfied the requirement of brake loop coil trigger voltage.After time through the timing circuit setting, timing circuit transfers low level to the signal that driving circuit sends, this moment is inoperative to driving circuit, this moment, driving circuit was controlled by pwm control circuit, make control circuit out-put supply steady decrease and maintaining on the output voltage of setting, satisfied the requirement that the brake loop coil is kept voltage.The sampling feedback circuit is gathered a signal synchronous with line voltage from the mouth and the auxiliary switching power supply mouth of control circuit, this signal links to each other with pwm control circuit, the dutycycle of the signal control pwm circuit output signal of returning by sampling feedback (descends as output end voltage, sampled feedback signal also descends, delivering to the pwm control circuit input end makes its output duty of ratio become big, output voltage is raise), make the entire circuit output voltage stabilization.
Specific embodiment described herein only is that spirit of the present invention is made casehistory.The technical personnel of the technical field of the invention can be made various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used terms such as alternating current input power supplying, overvoltage stimulating module, band brake apparatus, control circuit, timing circuit morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (6)
1. elevator dual power supply band-type brake control system, comprise alternating current input power supplying, the band-type brake control module that constitutes by two contacts that links to each other with alternating current input power supplying, the band brake apparatus that links to each other with the band-type brake control module, it is characterized in that: between described band-type brake control module (2) and band brake apparatus (4), also be connected with overvoltage stimulating module (3), described overvoltage stimulating module comprises that one comes the control circuit (6) of control circuit output voltage by opening and closing its own switch pipe break-make, timing circuit (11), pwm control circuit (10) and driving circuit (9), described timing circuit (11) is connected respectively to driving circuit (9) and pwm control circuit (10), the pwm control circuit mouth links to each other with driving circuit, driving circuit is connected to control circuit (6) input end, another input end of described control circuit links to each other with band-type brake control module (2), and the control circuit mouth links to each other with band brake apparatus (4).
2. elevator dual power supply band-type brake control system according to claim 1, it is characterized in that described overvoltage stimulating module (3) also comprises sampling feedback circuit (8), described sampling feedback circuit (8) input end is connected on described control circuit (6) one mouths, and the mouth of sampling feedback circuit is connected on the pwm control circuit (10).
3. elevator dual power supply band-type brake control system according to claim 2, it is characterized in that described overvoltage stimulating module (3) also comprises trouble detect circuit (7), described trouble detect circuit input end links to each other with sampling feedback circuit (8), and the trouble detect circuit mouth is connected on the control circuit (6).
4. elevator dual power supply band-type brake control system according to claim 1 and 2 is characterized in that described overvoltage stimulating module (3) also comprises mode of operation indicating circuit (12), and described mode of operation indicating circuit is connected on the driving circuit (9).
5. elevator dual power supply band-type brake control system according to claim 3 is characterized in that described overvoltage stimulating module (3) also comprises mode of operation indicating circuit (12), and described mode of operation indicating circuit is connected on the driving circuit (9).
6. elevator dual power supply band-type brake control system according to claim 5, it is characterized in that described overvoltage stimulating module (3) also comprises auxiliary switching power supply (5), the input end of described auxiliary switching power supply is connected on the alternating current input power supplying (1), and the auxiliary switching power supply mouth links to each other with timing circuit (11), feedback sampling circuit (8), pwm control circuit (10), driving circuit (9) and mode of operation indicating circuit (12) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206746910U CN201901571U (en) | 2010-12-22 | 2010-12-22 | Double power source brake control system for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206746910U CN201901571U (en) | 2010-12-22 | 2010-12-22 | Double power source brake control system for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201901571U true CN201901571U (en) | 2011-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206746910U Expired - Lifetime CN201901571U (en) | 2010-12-22 | 2010-12-22 | Double power source brake control system for elevator |
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| CN (1) | CN201901571U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104743466A (en) * | 2013-12-31 | 2015-07-01 | 刘培 | Elevator band-type brake power supply |
| CN106160513A (en) * | 2015-04-27 | 2016-11-23 | 蒂森克虏伯电梯（上海）有限公司 | Stagewise PWM band-type brake power control circuit and control method thereof |
| CN110885024A (en) * | 2019-11-19 | 2020-03-17 | 日立电梯（中国）有限公司 | Elevator brake control method, device and system, computer equipment and storage medium |
| CN111283663A (en) * | 2020-03-05 | 2020-06-16 | 埃夫特智能装备股份有限公司 | A articulated motor band-type brake system of integration for cooperating robot |
| CN113472224A (en) * | 2021-05-25 | 2021-10-01 | 长春汇通光电技术有限公司 | Elevator band-type brake power supply, elevator control system and elevator |
-
2010
- 2010-12-22 CN CN2010206746910U patent/CN201901571U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104743466A (en) * | 2013-12-31 | 2015-07-01 | 刘培 | Elevator band-type brake power supply |
| CN104743466B (en) * | 2013-12-31 | 2017-12-15 | 重庆顺心仪器设备有限公司 | A kind of elevator internal contracting brake power supply |
| CN106160513A (en) * | 2015-04-27 | 2016-11-23 | 蒂森克虏伯电梯（上海）有限公司 | Stagewise PWM band-type brake power control circuit and control method thereof |
| CN106160513B (en) * | 2015-04-27 | 2019-03-05 | 蒂森克虏伯电梯（上海）有限公司 | Segmented PWM band-type brake power control circuit and its control method |
| CN110885024A (en) * | 2019-11-19 | 2020-03-17 | 日立电梯（中国）有限公司 | Elevator brake control method, device and system, computer equipment and storage medium |
| CN111283663A (en) * | 2020-03-05 | 2020-06-16 | 埃夫特智能装备股份有限公司 | A articulated motor band-type brake system of integration for cooperating robot |
| CN113472224A (en) * | 2021-05-25 | 2021-10-01 | 长春汇通光电技术有限公司 | Elevator band-type brake power supply, elevator control system and elevator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310019 No. nine, 28 Ring Road, Hangzhou, Zhejiang, Jianggan District Patentee after: Otis Electrical Elevator Co., Ltd. Address before: 310019 No. nine, 28 Ring Road, Hangzhou, Zhejiang, Jianggan District Patentee before: Xizi Otis Elevator Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110720 |
|
| CX01 | Expiry of patent term |