CN103979379A - Elevator brake performance whole process real-time monitoring control system and using method - Google Patents
Elevator brake performance whole process real-time monitoring control system and using method Download PDFInfo
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- CN103979379A CN103979379A CN201410247707.2A CN201410247707A CN103979379A CN 103979379 A CN103979379 A CN 103979379A CN 201410247707 A CN201410247707 A CN 201410247707A CN 103979379 A CN103979379 A CN 103979379A
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Abstract
The invention discloses an elevator brake performance whole process real-time monitoring control system and a using method. According to the elevator brake performance whole process real-time monitoring control system, a spring pressure detecting system, a friction force detecting system and a band-type brake frequency detecting system are respectively mounted on an elevator brake. Real-time whole process monitoring can be conducted on the elevator brake. The working state of the elevator brake can be judged in advance, early warning can be given out in time, and accidents are avoided. Maintenance cost can be reduced, and meanwhile the system is low in cost and high in reliability.
Description
Technical field
The present invention relates to elevator, relate in particular to the omnidistance real-time inspection and control system of a kind of elevator brake performance and using method.
Background technology
Along with all kinds of elevator applications of socioeconomic development are general, but the safe operation of elevator also receives publicity day by day, and the kind of elevator accident is by the alliance having an accident, the end accident that can be divided into door system accident, rushes to summit or squat, other accidents.The end accident of rushing to summit or squat is generally that drg is the very important parts of elevator due to due to the drg et out of order of elevator, if misfunctioning of brake or with hidden danger, elevator will be in runaway condition so, without safety control, consequence is by hardly imaginable.To effectively take precautions against the generation of the end accident of rushing to summit or squat, must take real-time security detection and warning to drg, avoid causing the accident, make elevator can safety operation.
Summary of the invention
The object of the present invention is to provide the omnidistance real-time inspection and control system of a kind of elevator brake performance and using method, have that cost is low, reliability is high, real-time omnidistance monitoring elevator brake performance figure feature.
In order to achieve the above object, technical scheme of the present invention is:
The omnidistance real-time inspection and control system of elevator brake performance and a using method, is characterized in that: comprise elevator brake, be separately installed with spring pressure checking system, friction force checking system and band-type brake number of times checking system on described elevator brake.
Described elevator elevator brake comprises support, on described support, be separately installed with electromagnet, article two, brake control lever, brake wheel, on described brake wheel, rotating shaft is installed, friction force checking system and band-type brake number of times monitoring system are installed between described brake wheel and rotating shaft, on described brake control lever, be separately installed with dowel bolt, braking tile fragment and retarding spring, on described braking tile fragment, braking wadding is installed, retarding spring setting nut and spring pressure checking system are installed on described retarding spring, between described two brake control levers, set up electromagnet mounting rod, on described electromagnet mounting rod, electromagnet is installed, two cams that manually declutch are installed between described two brake control levers, described manually declutching set up retarding spring screw rod between cam.
Described spring pressure checking system comprises the spring pressure sensor being installed on retarding spring, described spring pressure sensor is connected with the first bridge circuit by circuit, described bridge circuit is connected with filter circuit by circuit, described filter circuit is connected with the second bridge circuit with amplifying circuit respectively by circuit, and described amplifying circuit is connected with spring pressure comparator circuit by circuit.
Described friction force checking system comprises the rotary encoder being installed between brake wheel and rotating shaft, and described rotary encoder is connected with friction force counting circuit by circuit, and described friction force counting circuit is connected with friction force comparator circuit by circuit.
Described band-type brake number of times checking system comprises the rotary encoder being installed between brake wheel and rotating shaft, and described rotary encoder is connected with shaping circuit by circuit, and described shaping circuit is connected with band-type brake counting circuit by circuit.
Described rotary encoder comprises coder rotating shaft and shell, in described coder rotating shaft, original screen panel is installed, light-emitting diode, prism, fixed grating and two photosensitive tubes are installed on described shell, described light-emitting diode, prism and fixed grating are positioned at same straight line, between described prism and fixed grating, original screen panel is installed, described light-emitting diode is connected with external power by circuit, described the first photosensitive tube is connected with friction force counting circuit by circuit, and described the second photosensitive tube is connected with shaping circuit by circuit.
The method of work of the omnidistance real-time inspection and control system of a kind of elevator brake performance:
1) when receiving speed-slackening signal, retarding spring action, is inwardly subjected to displacement brake control lever, drives braking tile fragment and braking wadding to move to brake wheel direction, makes to brake wadding and contacts with brake wheel, produces braking force;
2) spring pressure sensor records pressure signal simultaneously, through the first bridge circuit, reach filter circuit, by the second bridge circuit, realize the temperature compensating to strain-gauge simultaneously, by filter circuit filtering radio-frequency interference,, through amplifying circuit, amplify, deliver to friction force comparator and preset signals and compare, if spring pressure is less than preset value, outputting alarm signal;
3) brake wheel, because braking force braked speed slows down, is offset with rotating shaft simultaneously, and rotary encoder records shifted signal, through friction force counting circuit, reaching spring pressure comparator circuit compares, if exceed predetermined amount, illustrate that drag friction power is too small, outputting alarm signal;
4) after the signal that rotary encoder records simultaneously, by shaping circuit, reach band-type brake counting circuit, described band-type brake counting circuit records band-type brake number of times, when band-type brake number of times surpasses preset value, outputting alarm signal.
The invention has the beneficial effects as follows: the present invention by being separately installed with spring pressure checking system, friction force checking system and band-type brake number of times checking system on elevator brake.The present invention can carry out real-time complete monitoring to elevator brake.Can prejudge the mode of operation of elevator brake, send in time early warning, the generation of Accident prevention.Can reduce maintenance cost, the cost of this device is low simultaneously, reliability is high.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of drg of the present invention;
Fig. 2 is the schematic diagram of spring pressure checking system of the present invention;
Fig. 3 is the schematic diagram of friction force checking system of the present invention;
Fig. 4 is the schematic diagram of band-type brake number of times checking system of the present invention;
Fig. 5 is the schematic diagram of rotary encoder of the present invention.
The specific embodiment
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Embodiment 1
As Figure 1-5, the omnidistance real-time inspection and control system of a kind of elevator brake performance and using method, comprise elevator brake 1, is separately installed with spring pressure checking system 2, friction force checking system 3 and band-type brake number of times checking system 4 on described elevator brake 1.
Described elevator elevator brake 1 comprises support 6, is separately installed with electromagnet 7, two brake control levers 8, brake wheel 9 on described support 6.Described electromagnet 7 is between two brake control levers 8, and described electromagnet 7 is for the reset of retarding spring 11.Described brake wheel 9 is between two brake control levers 8, on described brake wheel 9, rotating shaft 30 is installed, friction force checking system 3 and band-type brake number of times monitoring system 4 are installed between described brake wheel 9 and rotating shaft 30, on described brake control lever 8, be separately installed with dowel bolt 10, braking tile fragment 36 and retarding spring 11, described dowel bolt 10 is for the fixing and adjustment of elevator brake 1 position.Braking wadding 37 is installed on described braking tile fragment 36.Described braking wadding 37 can better must increase braking force.Retarding spring setting nut 12 and spring pressure checking system 2 are installed on described retarding spring 11.Spring pressure during not the braking of the adjustable retarding spring 11 of described retarding spring setting nut 12.Between described two brake control levers 8, set up electromagnet mounting rod 13, on described electromagnet mounting rod 13, electromagnet 7 has been installed.Two cams 14 that manually declutch are installed between described two brake control levers 8.The described cam 14 that manually declutches can be when elevator faults the pressure of pressure relief spring, thereby brake off.Described manually described manually declutching set up retarding spring screw rod 15 between cam 14.
Described spring pressure checking system 2 comprises the spring pressure sensor 5 being installed on retarding spring 11, and described spring pressure sensor 5 is connected with the first bridge circuit 17 by circuit.Described the first bridge circuit 17 is connected with filter circuit 18 by circuit.Described filter circuit 18 is for filter circuit filtering radio-frequency interference.Described filter circuit 18 is connected with the second bridge circuit 39 with amplifying circuit 19 respectively by circuit.Described the second bridge circuit 39 can be realized the temperature compensating to strain-gauge.Described amplifying circuit is used for amplifying pressure signal.Described amplifying circuit 19 is connected with spring pressure comparator circuit 20 by circuit.20 pairs of pressure signals of described spring pressure comparator circuit and preset value compare.
Described friction force checking system 3 comprises the rotary encoder 31 being installed between brake wheel 9 and rotating shaft 30, and described rotary encoder 31 is connected with friction force counting circuit 32 by circuit.32 pairs of rotary encoders 31 of described friction force counting circuit record signal and count.Described friction force counting circuit 32 is connected with friction force comparator circuit 33 by circuit.33 pairs of friction force signals of described friction force comparator circuit and preset value compare.
Described band-type brake number of times checking system 4 comprises the rotary encoder 31 being installed between brake wheel 9 and rotating shaft 30, and described rotary encoder 31 is connected with shaping circuit 34 by circuit, and 34 pairs of described shaping circuits turn the signal that coder 31 records and carry out shaping.Described shaping circuit 34 is connected with band-type brake counting circuit 35 by circuit.35 pairs of band-type brake actions of described band-type brake counting circuit are counted and are compared with preset value.
Described rotary encoder 31 comprises coder rotating shaft 21 and shell 22, in described coder rotating shaft 21, original screen panel 23 is installed, light-emitting diode 24, prism 25, fixed grating 26 and two photosensitive tubes are installed on described shell 22, described light-emitting diode 24, prism 25 and fixed grating 26 are positioned at same straight line, between described prism 25 and fixed grating 26, original screen panel 23 is installed, described light-emitting diode 24 is connected with external power by circuit.When coder rotating shaft 21 is relative and skew occurs rotary encoder 31, the optical signal that the light-emitting diode 24 that described photosensitive tube receives sends changes.Wherein the first photosensitive tube 27 is connected with friction force counting circuit 32 by circuit, and wherein the second photosensitive tube 28 is connected with shaping circuit 34 by circuit.
The method of work of the omnidistance real-time inspection and control system of a kind of elevator brake performance:
1) when receiving speed-slackening signal, retarding spring 11 actions, are inwardly subjected to displacement brake control lever 8, drive braking tile fragment 36 and braking wadding 37 to move to brake wheel 9 directions, make to brake wadding 37 and contact with brake wheel 9, produce braking force;
2) spring pressure sensor 5 records pressure signal simultaneously, through the first bridge circuit 17, reach filter circuit 18, the temperature compensating of simultaneously being realized strain-gauge by the second bridge circuit 39, by filter circuit 18 filtering radio-frequency interferences, through amplifying circuit 19, amplify, deliver to spring pressure comparator circuit 33 and compare with preset signals, if spring pressure is less than preset value, outputting alarm signal;
3) brake wheel 9, because braking force braked speed slows down, is offset with rotating shaft 30 simultaneously, and rotary encoder 31 records shifted signal, through friction force counting circuit 32, reaching friction force comparator circuit 33 compares, if exceed predetermined amount, illustrate that drag friction power is too small, outputting alarm signal;
4) after the signal that rotary encoder 31 records simultaneously, by shaping circuit 34, reach band-type brake counting circuit 35, described band-type brake counting circuit 35 records band-type brake number of times, when band-type brake number of times surpasses preset value, outputting alarm signal.
Claims (7)
1. the omnidistance real-time inspection and control system of an elevator brake performance and using method, it is characterized in that: comprise elevator brake (1), on described elevator brake (1), be separately installed with spring pressure checking system (2), friction force checking system (3) and band-type brake number of times checking system (4).
2. the omnidistance real-time inspection and control system of a kind of elevator brake performance and using method according to claim 1, it is characterized in that: described elevator elevator brake (1) comprises support (6), on described support (6), be separately installed with electromagnet (7), article two, brake control lever (8), brake wheel (9), the upper installation of described brake wheel (9) rotating shaft (30), friction force checking system (3) and band-type brake number of times monitoring system (4) are installed between described brake wheel (9) and rotating shaft (30), on described brake control lever (8), be separately installed with dowel bolt (10), braking tile fragment (36) and retarding spring (11), braking wadding (37) is installed on described braking tile fragment (36), retarding spring setting nut (12) and spring pressure checking system (2) are installed on described retarding spring (11), between described two brake control levers (8), set up electromagnet mounting rod (13), electromagnet (7) is installed on described electromagnet mounting rod (13), two cams (14) that manually declutch are installed between described two brake control levers (8), described manually declutching set up retarding spring screw rod (15) between cam (14).
3. the omnidistance real-time inspection and control system of a kind of elevator brake performance and using method according to claim 1, it is characterized in that: described spring pressure checking system (2) comprises the spring pressure sensor (5) being installed on retarding spring (11), described spring pressure sensor (5) is connected with the first bridge circuit (17) by circuit, described the first bridge circuit (17) is connected with filter circuit (18) by circuit, described filter circuit (18) is connected with the second bridge circuit (39) with amplifying circuit (19) respectively by circuit, described amplifying circuit (19) is connected with spring pressure comparator circuit (20) by circuit.
4. according to the omnidistance real-time inspection and control system of a kind of elevator brake performance described in claim 1 or 2 and using method, it is characterized in that: described friction force checking system (3) comprises the rotary encoder (31) being installed between brake wheel (9) and rotating shaft (30), described rotary encoder (31) is connected with friction force counting circuit (32) by circuit, and described friction force counting circuit (32) is connected with friction force comparator circuit (33) by circuit.
5. the omnidistance real-time inspection and control system of a kind of elevator brake performance and using method according to claim 4, it is characterized in that: described band-type brake number of times checking system (4) comprises the rotary encoder (31) being installed between brake wheel (9) and rotating shaft (30), described rotary encoder (31) is connected with shaping circuit (34) by circuit, and described shaping circuit (34) is connected with band-type brake counting circuit (35) by circuit.
6. according to the omnidistance real-time inspection and control system of claim 5 elevator brake performance and using method, it is characterized in that: described rotary encoder (31) comprises coder rotating shaft (21) and shell (22), original screen panel (23) is installed in described coder rotating shaft (21), light-emitting diode (24) is installed on described shell (22), prism (25), fixed grating (26) and two photosensitive tubes, described light-emitting diode (24), prism (25) and fixed grating (26) are positioned at same straight line, between described prism (25) and fixed grating (26), original screen panel (23) is installed, described light-emitting diode (24) is connected with external power by circuit, described the first photosensitive tube (27) is connected with friction force counting circuit (32) by circuit, described the second photosensitive tube (28) is connected with shaping circuit (34) by circuit.
7. the method for work of the omnidistance real-time inspection and control system of an elevator brake performance:
1) when receiving speed-slackening signal, retarding spring (11) action, is inwardly subjected to displacement brake control lever (8), drives braking tile fragment (36) and braking wadding (37) to move to brake wheel (9) direction, make to brake wadding (37) and contact with brake wheel (9), produce braking force;
2) spring pressure sensor (5) records pressure signal simultaneously, through the first bridge circuit (17), reach filter circuit (18), by the second bridge circuit (39), realize the temperature compensating to strain-gauge simultaneously, by filter circuit (18) filtering radio-frequency interference, through amplifying circuit (19), amplify, deliver to spring pressure comparator circuit (20) and compare with preset signals, if spring pressure is less than preset value, outputting alarm signal;
3) simultaneously brake wheel (9) slows down because of braking force braked speed, be offset with rotating shaft (30), rotary encoder (31) records shifted signal, through friction force counting circuit (32), reaching friction force comparator circuit (33) compares, if exceed predetermined amount, illustrate that drag friction power is too small, outputting alarm signal;
4) after the signal that rotary encoder (31) records simultaneously, by shaping circuit (34), reach band-type brake counting circuit (35), described band-type brake counting circuit (35) records band-type brake number of times, when band-type brake number of times surpasses preset value, outputting alarm signal.
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CN201410247707.2A CN103979379B (en) | 2014-06-06 | 2014-06-06 | A kind of working method of elevator brake performance whole process real-time inspection and control system |
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CN201410247707.2A CN103979379B (en) | 2014-06-06 | 2014-06-06 | A kind of working method of elevator brake performance whole process real-time inspection and control system |
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CN104030185A (en) * | 2014-04-29 | 2014-09-10 | 苏州中远电梯有限公司 | Block type electromagnetic brake of elevator |
CN104340801A (en) * | 2014-09-29 | 2015-02-11 | 北京市特种设备检测中心 | Early fault warning method for in-use elevator brake system |
CN104444672A (en) * | 2014-10-10 | 2015-03-25 | 上海大学 | Elevator braking performance detection system |
CN104609275A (en) * | 2015-02-05 | 2015-05-13 | 宁波申菱电梯配件有限公司 | Drum-type tractor band-type brake monitoring device |
CN105151150A (en) * | 2015-10-08 | 2015-12-16 | 中国民航大学 | Anti-drop device capable of embracing pole during power outage, for pole-climbing robot |
CN105347224A (en) * | 2015-12-14 | 2016-02-24 | 河南恒远恒山工业有限公司 | Manual opening device of roller brake of crane hoisting mechanism |
CN106639447A (en) * | 2016-12-31 | 2017-05-10 | 郑俭余 | Lifting anti-falling device |
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CN107215735A (en) * | 2017-07-10 | 2017-09-29 | 浙江理工大学 | A kind of detection method of elevator brake braking response time |
CN108002164A (en) * | 2017-12-22 | 2018-05-08 | 深圳市特种设备安全检验研究院 | A kind of elevator brake operating state detection device and detection method |
CN109896382A (en) * | 2019-01-18 | 2019-06-18 | 西人马(西安)测控科技有限公司 | Elevator Fault Diagnosis method, apparatus, equipment and medium |
WO2019119430A1 (en) * | 2017-12-22 | 2019-06-27 | 深圳市特种设备安全检验研究院 | Action state detection apparatus and detection method for elevator brake |
CN110388110A (en) * | 2019-07-30 | 2019-10-29 | 南京工业职业技术学院 | A kind of parking lot device |
CN111498724A (en) * | 2020-04-29 | 2020-08-07 | 山东交通学院 | Mechanical brake releasing device of crane |
CN112174010A (en) * | 2020-09-27 | 2021-01-05 | 浙江理工大学 | Traction type elevator brake with brake performance detection function and elevator |
US10919511B2 (en) | 2018-12-20 | 2021-02-16 | Bendix Commercial Vehicle Systems Llc | System and method for determining status of a brake spring |
CN113184698A (en) * | 2020-01-14 | 2021-07-30 | 宝山钢铁股份有限公司 | Spring force detection device and method of traveling hydraulic push rod brake |
CN115625739A (en) * | 2022-12-20 | 2023-01-20 | 季华实验室 | Fault diagnosis method and related equipment for robot band-type brake system |
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CN104030185A (en) * | 2014-04-29 | 2014-09-10 | 苏州中远电梯有限公司 | Block type electromagnetic brake of elevator |
CN104340801A (en) * | 2014-09-29 | 2015-02-11 | 北京市特种设备检测中心 | Early fault warning method for in-use elevator brake system |
CN104444672A (en) * | 2014-10-10 | 2015-03-25 | 上海大学 | Elevator braking performance detection system |
CN104609275A (en) * | 2015-02-05 | 2015-05-13 | 宁波申菱电梯配件有限公司 | Drum-type tractor band-type brake monitoring device |
CN105151150A (en) * | 2015-10-08 | 2015-12-16 | 中国民航大学 | Anti-drop device capable of embracing pole during power outage, for pole-climbing robot |
CN105151150B (en) * | 2015-10-08 | 2017-05-10 | 中国民航大学 | Anti-drop device capable of embracing pole during power outage, for pole-climbing robot |
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CN106703488A (en) * | 2016-12-31 | 2017-05-24 | 郑俭余 | Multi-layer rotating stereo garage |
CN106703484A (en) * | 2016-12-31 | 2017-05-24 | 郑俭余 | Leaning tower type multilayer stereoscopic parking garage |
CN107060436A (en) * | 2016-12-31 | 2017-08-18 | 郑俭余 | A kind of multilayer AisleStack parking systems |
CN106639433B (en) * | 2016-12-31 | 2023-12-22 | 金华市西比特立体车库有限公司 | Separable lifting system of stereo garage |
CN106703488B (en) * | 2016-12-31 | 2023-11-03 | 金华市西比特立体车库有限公司 | Multilayer rotary type stereo garage |
CN106639447A (en) * | 2016-12-31 | 2017-05-10 | 郑俭余 | Lifting anti-falling device |
CN107060436B (en) * | 2016-12-31 | 2023-11-03 | 金华市西比特立体车库有限公司 | Multilayer roadway stacking type three-dimensional parking garage |
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CN107215735B (en) * | 2017-07-10 | 2019-01-29 | 浙江理工大学 | A kind of detection method of elevator brake braking response time |
CN107215735A (en) * | 2017-07-10 | 2017-09-29 | 浙江理工大学 | A kind of detection method of elevator brake braking response time |
CN108002164B (en) * | 2017-12-22 | 2023-06-02 | 深圳市质量安全检验检测研究院 | Elevator brake action state detection device and detection method |
CN108002164A (en) * | 2017-12-22 | 2018-05-08 | 深圳市特种设备安全检验研究院 | A kind of elevator brake operating state detection device and detection method |
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US10919511B2 (en) | 2018-12-20 | 2021-02-16 | Bendix Commercial Vehicle Systems Llc | System and method for determining status of a brake spring |
CN109896382B (en) * | 2019-01-18 | 2020-05-19 | 西人马帝言(北京)科技有限公司 | Elevator fault diagnosis method, device, equipment and medium |
CN109896382A (en) * | 2019-01-18 | 2019-06-18 | 西人马(西安)测控科技有限公司 | Elevator Fault Diagnosis method, apparatus, equipment and medium |
CN110388110A (en) * | 2019-07-30 | 2019-10-29 | 南京工业职业技术学院 | A kind of parking lot device |
CN113184698B (en) * | 2020-01-14 | 2022-10-21 | 宝山钢铁股份有限公司 | Spring force detection device and method of traveling hydraulic push rod brake |
CN113184698A (en) * | 2020-01-14 | 2021-07-30 | 宝山钢铁股份有限公司 | Spring force detection device and method of traveling hydraulic push rod brake |
CN111498724A (en) * | 2020-04-29 | 2020-08-07 | 山东交通学院 | Mechanical brake releasing device of crane |
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CN115625739A (en) * | 2022-12-20 | 2023-01-20 | 季华实验室 | Fault diagnosis method and related equipment for robot band-type brake system |
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