CN103979379B - A kind of working method of elevator brake performance whole process real-time inspection and control system - Google Patents
A kind of working method of elevator brake performance whole process real-time inspection and control system Download PDFInfo
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- CN103979379B CN103979379B CN201410247707.2A CN201410247707A CN103979379B CN 103979379 B CN103979379 B CN 103979379B CN 201410247707 A CN201410247707 A CN 201410247707A CN 103979379 B CN103979379 B CN 103979379B
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- circuit
- brake
- band
- spring pressure
- braking
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Abstract
A kind of working method of elevator brake performance whole process real-time inspection and control system receives brake signal, and tripping spring movement is subjected to displacement brake arm inwardly, and drive braking tile fragment and braking wadding are mobile, contacts braking wadding with braked wheel, generates brake force；Spring pressure sensor measures pressure signal, send to frictional force comparator and is compared with preset signals, and spring pressure is less than preset value, outputting alarm signal；For braked wheel because brake force braked speed slows down, rotary encoder measures shifted signal, and rubbed power counting circuit reaches spring pressure comparison circuit and is compared, if exceeding predetermined amount, outputting alarm signal；Band-type brake counting circuit is reached by shaping circuit after the signal that rotary encoder measures, when band-type brake number is more than preset value, outputting alarm signal.It realizes and real-time complete monitoring is carried out to elevator brake.
Description
Technical field
The present invention relates to elevator more particularly to a kind of work sides of elevator brake performance whole process real-time inspection and control system
Method.
Background technique
As all kinds of elevator applications of the development of social economy are universal, but the safe operation of elevator is also of increasing concern, electricity
The type of terraced accident can be divided into door system accident, be rushed to summit or crouching bottom accident, other accidents by the system position that accident occurs.Punching
Top or crouching bottom accident are typically due to caused by the brake malfunctions of elevator, and brake is the highly important component of elevator, such as
Fruit misfunctioning of brake has hidden danger, then elevator will be in runaway condition, no safety guarantee, consequence will be hardly imaginable.Have
The prevention of effect ground is rushed to summit or the generation of crouching bottom accident, it is necessary to and real-time security detection and alarm are taken to brake, avoid accident,
Enable the operation of elevator safety.
Summary of the invention
The purpose of the present invention is to provide a kind of working method of elevator brake performance whole process real-time inspection and control system,
Have the characteristics that at low cost, high reliablity, real-time monitored over time elevator brake performance indicator.
In order to achieve the above object, the technical scheme is that
A kind of elevator brake performance whole process real-time inspection and control system, including elevator brake, the elevator brake
On be separately installed with spring pressure detection system, friction force detection system and band-type brake number detection system, the spring pressure inspection
Examining system includes the spring pressure sensor being installed on tripping spring, and the spring pressure sensor passes through circuit and the first electricity
Bridge circuit is connected, and the bridge circuit is connected by circuit with filter circuit, the filter circuit pass through circuit respectively with amplification
Circuit and the second bridge circuit are connected, and the amplifying circuit is connected by circuit with spring pressure comparison circuit, the frictional force
Detection system includes the rotary encoder being installed between braked wheel and shaft, and the rotary encoder passes through circuit and frictional force
Counting circuit is connected, and the frictional force counting circuit is connected by circuit with frictional force comparison circuit.
The elevator brake includes bracket, and electromagnet, two brake arms, braked wheels are separately installed on the bracket,
Shaft is installed on the braked wheel, friction force detection system and band-type brake number monitoring system are installed between the braked wheel and shaft
It unites, positioning bolt, braking tile fragment and tripping spring is separately installed on the brake arm, braking is installed on the braking tile fragment
Wadding, is equipped with tripping spring adjusting nut and spring pressure detection system on the tripping spring, described two brake arms it
Between be provided with electromagnet mounting rod, electromagnet is installed on the electromagnet mounting rod, is equipped between two brake arms
Two are declutched cams manually, are provided with tripping spring screw rod, the band-type brake number detection system between the cam that declutches manually
Including the rotary encoder being installed between braked wheel and shaft, the rotary encoder is connected by circuit with shaping circuit,
The shaping circuit is connected by circuit with band-type brake counting circuit.
The rotary encoder includes encoder shaft and shell, is equipped with original screen panel in the encoder shaft, described
Light emitting diode, prism, fixed grating and two photosensitive tubes are installed, described two photosensitive tubes include the first photosensitive tube on shell
With the second photosensitive tube, the light emitting diode, prism and fixed grating are located at same straight line, between the prism and fixed grating
Original screen panel is installed, the light emitting diode is connected by circuit with external power, and first photosensitive tube passes through circuit and friction
Power counting circuit is connected, and second photosensitive tube is connected by circuit with shaping circuit.
A kind of working method of elevator brake performance whole process real-time inspection and control system:
1) when receiving brake signal, tripping spring movement, be subjected to displacement brake arm inwardly, drive braking tile fragment and
It is mobile to braked wheel direction to brake wadding, contacts braking wadding with braked wheel, generates brake force；
2) spring pressure sensor measures pressure signal simultaneously, reaches filter circuit through the first bridge circuit, while by the
Two bridge circuits realize temperature-compensating to foil gauge, filter out High-frequency Interference by filter circuit, amplify through amplifying circuit, send to
Frictional force comparator is compared with preset signals, if spring pressure is less than preset value, outputting alarm signal；
3) braked wheel slows down because of brake force braked speed simultaneously, shifts with shaft, and rotary encoder measures offset letter
Number, rubbed power counting circuit reaches spring pressure comparison circuit and is compared, if exceeding predetermined amount, illustrates braking friction mistake
It is small, outputting alarm signal；
4) band-type brake counting circuit is reached by shaping circuit after the signal that rotary encoder measures simultaneously, the band-type brake counts
Circuit records band-type brake number, when band-type brake number is more than preset value, outputting alarm signal.
The beneficial effects of the present invention are: the present invention on elevator brake by being separately installed with spring pressure detection system
System, friction force detection system and band-type brake number detection system.The present invention can carry out real-time complete monitoring to elevator brake.Energy
The working condition for prejudging elevator brake, issues early warning in time, prevents the generation of accident.Maintenance cost can be reduced, together
When the present apparatus cost is low, high reliablity.
Detailed description of the invention
Fig. 1 is the schematic diagram of brake of the invention；
Fig. 2 is the schematic diagram of spring pressure detection system of the invention；
Fig. 3 is the schematic diagram of friction force detection system of the invention；
Fig. 4 is the schematic diagram of band-type brake number detection system of the invention；
Fig. 5 is the schematic diagram of rotary encoder of the invention.
Specific embodiment
Embodiment 1
As shown in Figs. 1-5, a kind of elevator brake performance whole process real-time inspection and control system, including elevator brake 1, institute
It states and is separately installed with spring pressure detection system 2, friction force detection system 3 and band-type brake number detection system on elevator brake 1
4。
The elevator brake 1 includes bracket 6, and 7, two brake arms 8 of electromagnet, system are separately installed on the bracket 6
Driving wheel 9.The electromagnet 7 is located between two brake arms 8, and the electromagnet 7 is used for the reset of tripping spring 11.The braking
Wheel 9 is located between two brake arms 8, and shaft 30 is installed on the braked wheel 9, is equipped between the braked wheel 9 and shaft 30
Rub force detection system 3 and band-type brake number monitoring system 4, is separately installed with positioning bolt 10, braking tile fragment on the brake arm 8
36 and tripping spring 11, the positioning bolt 10 is used for the fixation and adjustment of 1 position of elevator brake.On the braking tile fragment 36
Braking wadding 37 is installed.The braking wadding 37 more preferable can must increase brake force.Braking is installed on the tripping spring 11
Spring adjusting nut 12 and spring pressure detection system 2.Tripping spring 11 is adjusted not in the tripping spring adjusting nut 12
Spring pressure when braking.Electromagnet mounting rod 13 is provided between described two brake arms 8, on the electromagnet mounting rod 13
Electromagnet 7 is installed.There are two the cams 14 that declutches manually for installation between two brake arms 8.The cam 14 that declutches manually
Can in elevator faults pressure relief spring pressure, to release braking.System is provided between the cam 14 that declutches manually
Dynamic spring spiro rod 15.
The spring pressure detection system 2 includes the spring pressure sensor 5 being installed on tripping spring 11, the spring
Pressure sensor 5 is connected by circuit with the first bridge circuit 17.First bridge circuit 17 passes through circuit and filter circuit
18 are connected.The filter circuit 18 filters out High-frequency Interference for filter circuit.The filter circuit 18 by circuit respectively with put
Big circuit 19 is connected with the second bridge circuit 39.Second bridge circuit 39 is able to achieve the temperature-compensating to foil gauge.It is described
Amplifying circuit is for amplifying pressure signal.The amplifying circuit 19 is connected by circuit with spring pressure comparison circuit 20.It is described
Spring pressure comparison circuit 20 is compared pressure signal with preset value.
The friction force detection system 3 includes the rotary encoder 31 being installed between braked wheel 9 and shaft 30, the rotation
Turn encoder 31 to be connected by circuit with frictional force counting circuit 32.The frictional force counting circuit 32 surveys rotary encoder 31
Signal is obtained to be counted.The frictional force counting circuit 32 is connected by circuit with frictional force comparison circuit 33.The frictional force
33 pairs of friction force signals of comparison circuit are compared with preset value.
The band-type brake number detection system 4 includes the rotary encoder 31 being installed between braked wheel 9 and shaft 30, described
Rotary encoder 31 is connected by circuit with shaping circuit 34, and the shaping circuit 34 is carried out to the signal that encoder 31 measures is turned
Shaping.The shaping circuit 34 is connected by circuit with band-type brake counting circuit 35.The band-type brake counting circuit 35 is to holding brake action
Count and be compared with preset value.
The rotary encoder 31 includes encoder shaft 21 and shell 22, is equipped with grating in the encoder shaft 21
Plate 23 is equipped with light emitting diode 24, prism 25, fixed grating 26 and two photosensitive tubes, described two light on the shell 22
Quick pipe includes the first photosensitive tube 27 and the second photosensitive tube 28, and the light emitting diode 24, prism 25 and fixed grating 26 are located at same
One straight line is equipped with original screen panel 23 between the prism 25 and fixed grating 26, the light emitting diode 24 is by circuit and outside
Power supply is connected.When encoder shaft 21 is opposite to shift with rotary encoder 31, what the photosensitive tube received shine two
The optical signal that pole pipe 24 issues changes.Wherein the first photosensitive tube 27 is connected by circuit with frictional force counting circuit 32,
In the second photosensitive tube 28 be connected with shaping circuit 34 by circuit.
A kind of working method of elevator brake performance whole process real-time inspection and control system:
1) when receiving brake signal, tripping spring 11 is acted, and is subjected to displacement brake arm 8 inwardly, drives brake scotch
Block 36 and braking wadding 37 are mobile to 9 direction of braked wheel, contact braking wadding 37 with braked wheel 9, generate brake force；
2) spring pressure sensor 5 measures pressure signal simultaneously, reaches filter circuit 18 through the first bridge circuit 17, simultaneously
Temperature-compensating to foil gauge is realized by the second bridge circuit 39, High-frequency Interference is filtered out by filter circuit 18, through amplifying circuit 19
Amplification, send to spring pressure comparison circuit 33 and is compared with preset signals, if spring pressure is less than preset value, outputting alarm letter
Number；
3) braked wheel 9 slows down because of brake force braked speed simultaneously, shifts with shaft 30, rotary encoder 31 measures partially
Shifting signal, rubbed power counting circuit 32 reach frictional force comparison circuit 33 and are compared, if exceeding predetermined amount, illustrate that braking rubs
It is too small to wipe power, outputting alarm signal；
4) band-type brake counting circuit 35 is reached by shaping circuit 34 after the signal that measures of rotary encoder 31 simultaneously, described armful
Lock counting circuit 35 records band-type brake number, when band-type brake number is more than preset value, outputting alarm signal.
Claims (2)
1. a kind of working method of elevator brake performance whole process real-time inspection and control system, it is characterised in that: including elevator system
Dynamic device (1), the elevator brake (1) includes bracket (6), and electromagnet (7), two systems are separately installed on the bracket (6)
Swing arm (8), braked wheel (9) are installed shaft (30) on the braked wheel (9), are installed between the braked wheel (9) and shaft (30)
There are friction force detection system (3) and band-type brake number monitoring system (4), is separately installed with positioning bolt on the brake arm (8)
(10), tile fragment (36) and tripping spring (11) are braked, braking wadding (37), the braking are installed on the braking tile fragment (36)
Tripping spring adjusting nut (12) and spring pressure detection system (2) be installed on spring (11), described two brake arms (8) it
Between be provided with electromagnet mounting rod (13), be equipped with electromagnet (7) on the electromagnet mounting rod (13), two brake arms
(8) installation is there are two declutching cam (14) manually between, and manual declutch is provided with tripping spring screw rod between cam (14)
(15), spring pressure detection system (2), friction force detection system (3) and band-type brake are separately installed on the elevator brake (1)
Number detection system (4), the spring pressure detection system (2) include the spring pressure sensing being installed on tripping spring (11)
Device (5), the spring pressure sensor (5) are connected by circuit with the first bridge circuit (17), first bridge circuit
(17) be connected with filter circuit (18) by circuit, the filter circuit (18) pass through circuit respectively with amplifying circuit (19) and the
Two bridge circuits (39) are connected, and the amplifying circuit (19) is connected by circuit with spring pressure comparison circuit (20), described to rub
Wiping force detection system (3) includes the rotary encoder (31) being installed between braked wheel (9) and shaft (30), the rotary coding
Device (31) is connected by circuit with frictional force counting circuit (32), and the frictional force counting circuit (32) passes through circuit and frictional force
Comparison circuit (33) is connected, and the band-type brake number detection system (4) includes the rotation being installed between braked wheel (9) and shaft (30)
Turn encoder (31), the rotary encoder (31) is connected by circuit with shaping circuit (34), and the shaping circuit (34) is logical
Oversampling circuit is connected with band-type brake counting circuit (35)；When receiving brake signal, tripping spring (11) movement makes brake arm (8)
It is inwardly subjected to displacement, drives braking tile fragment (36) and braking wadding (37) mobile to braked wheel (9) direction, make to brake wadding (37)
It is contacted with braked wheel (9), generates brake force；Spring pressure sensor (5) measures pressure signal simultaneously, through the first bridge circuit
(17) it reaches filter circuit (18), while realizing the temperature-compensating to foil gauge by the second bridge circuit (39), by filter circuit
(18) it filters out High-frequency Interference to amplify through amplifying circuit (19), send to spring pressure comparison circuit (33) and compared with preset signals
Compared with if spring pressure is less than preset value, outputting alarm signal；Braked wheel (9) slows down because of brake force braked speed simultaneously, with shaft
(30) it shifts, rotary encoder (31) measures shifted signal, and it is more electric that rubbed power counting circuit (32) reaches frictional force
Road (33) is compared, if exceeding predetermined amount, illustrates that braking friction is too small, outputting alarm signal；Rotary encoder simultaneously
(31) it is reached band-type brake counting circuit (35) after the signal measured by shaping circuit (34), band-type brake counting circuit (35) record
Band-type brake number, when band-type brake number is more than preset value, outputting alarm signal.
2. a kind of working method of elevator brake performance whole process real-time inspection and control system according to claim 1, special
Sign is: the rotary encoder (31) includes encoder shaft (21) and shell (22), is pacified on the encoder shaft (21)
Equipped with original screen panel (23), light emitting diode (24), prism (25), fixed grating (26) and two are installed on the shell (22)
Photosensitive tube, described two photosensitive tubes include the first photosensitive tube (27) and the second photosensitive tube (28), the light emitting diode (24), rib
Mirror (25) and fixed grating (26) are located at same straight line, are equipped with original screen panel between the prism (25) and fixed grating (26)
(23), the light emitting diode (24) is connected by circuit with external power, and first photosensitive tube (27) passes through circuit and friction
Power counting circuit (32) is connected, and second photosensitive tube (28) is connected by circuit with shaping circuit (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103979379A CN103979379A (en) | 2014-08-13 |
| CN103979379B true CN103979379B (en) | 2019-03-29 |
Family
ID=51271594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410247707.2A Expired - Fee Related 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103979379B (en) |
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| CN104030185B (en) * | 2014-04-29 | 2016-06-29 | 苏州中远电梯有限公司 | A kind of block type electromagnetic brake of elevator |
| CN104340801B (en) * | 2014-09-29 | 2017-09-12 | 北京市特种设备检测中心 | It is a kind of with elevator braking system faults method for early warning |
| CN104444672A (en) * | 2014-10-10 | 2015-03-25 | 上海大学 | Elevator braking performance detection system |
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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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| CN115625739B (en) * | 2022-12-20 | 2023-03-31 | 季华实验室 | Fault diagnosis method and relevant equipment for robot band-type brake system |
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| CN103979379A (en) | 2014-08-13 |
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