CN102645333A - Method and device for detecting balance coefficient and whether band-type brake holds tightly or not - Google Patents
Method and device for detecting balance coefficient and whether band-type brake holds tightly or not Download PDFInfo
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- CN102645333A CN102645333A CN2012101437327A CN201210143732A CN102645333A CN 102645333 A CN102645333 A CN 102645333A CN 2012101437327 A CN2012101437327 A CN 2012101437327A CN 201210143732 A CN201210143732 A CN 201210143732A CN 102645333 A CN102645333 A CN 102645333A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 35
- 238000012545 processing Methods 0.000 claims description 31
- 238000004891 communication Methods 0.000 claims description 20
- 230000006837 decompression Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000001939 inductive effect Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
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- 230000001174 ascending effect Effects 0.000 description 1
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Abstract
The invention discloses a device for detecting balance coefficient and whether a band-type brake holds tightly or not. The device comprises a base, a pressure sensor, a hydraulic pump, a controller, a handheld operating device and a retractable rod, wherein the pressure sensor is arranged on the base, the retractable rod and the hydraulic pump are abreast arranged on the pressure sensor, the controller is arranged on the hydraulic pump and the controller is connected with the handheld operating device. The pressure sensor senses pressure acting on the pressure sensor, processes and converts the pressure into an electric signal and transmits the electric signal to the controller; after the controller converts and processes the electric signal which is transmitted by the pressure sensor, the controller transmits the signal to the handheld operating device through a serial port, receives a pressure increasing command or a pressure decreasing command which is transmitted by the handheld operating device and controls corresponding valves of the hydraulic pump according to the corresponding signal which is obtained through computation, treatment and conversion by a micro control unit (MCU). The invention additionally discloses a method for detecting whether the band-type brake of an elevator holds tightly or not and the balance coefficient of the elevator. The method and the device not only can be used for simply, conveniently and safely detecting whether the band-type brake of the elevator holds tightly or not, but also can be used for simply, conveniently and accurately detecting the balance coefficient of the elevator.
Description
Technical field
The present invention relates to a kind of method and device that balance coefficient of elevator was held and detected to the elevator band-type brake whether tightly that detect.
Background technology
GB GB7588-2003 require elevator maintain and protection company regularly (at least annually) detect band-type brake can braking reliability; Yet; Because the method for existing detection band-type brake is more loaded down with trivial details; And be difficult for accomplishing even do not have condition to accomplish that therefore, the accident that can't braking reliability occurs weighing down ladder even shearing the passenger because of band-type brake happens occasionally.
GB GB7588-2003 requires elevator to carry 125% load at band, and band-type brake can braking reliability when descending.The method of testing of prior art is to load the counterweight of 125% load-carrying at car.Elevator such as 1 ton of load-carrying then need drag the counterweight of 1.25 tons of weights to go test, promptly needs the counterweight of 1.25 tons of weights is transported to the elevator scene, through manual work counterweight is put into car again.This method is not only loaded down with trivial details; And if do not mix up can't braking reliability for band-type brake, if ladder occurs slipping, the accident that elevator is sheared the carrying personnel possibly take place then in moving up the process of counterweight; Because this testing is numerous and diverse; Thereby generally when the elevator annual test, can not detect the elevator brake sticking brake, therefore, the accident that can't braking reliability occurs weighing down ladder even shear the passenger because of band-type brake happens occasionally.
On the other hand, for load capacity and the security of operation that guarantees elevator, GB7588-2003 requires the coefficient of balance of elevator to reach 45%～50%, generally all by 50% requirement.This just requires the weight of counterweight suitable.Because the deadweight of car can't be measured; Know whether added counterweight quantity is suitable; The output current of frequency converter is drawn operation curve in the time of can only being tested ascending for elevator and gone downwards to intermediate floor by light counterweight load (20%, 45%, 50%, 80%, 100% several grade counterweights of general general load-carrying) to weight through loading in car; Measure the coefficient of balance of elevator through the focus of curve; If coefficient of balance does not meet the demands, then add and subtract measuring by different counterweight loads again behind the pouring weight.This method both bothered, and it is very big influenced by human factor, and the result who records is extremely inaccurate.
Summary of the invention
One of the object of the invention is the method and the device that provide a kind of easy and safe detection elevator band-type brake whether to hold tightly;
It is a kind of easy and accurately detect the method and the device of balance coefficient of elevator that two of the object of the invention is to provide.
For reaching above-mentioned purpose, solution of the present invention is:
A kind ofly detect the device that balance coefficient of elevator was held and detected to the elevator band-type brake whether tightly, comprise base, pressure transducer, hydraulic pump, controller, hand-held device and expansion link; Pressure transducer is arranged on the base, and expansion link and hydraulic pump are arranged side by side on pressure transducer; Controller is arranged on the hydraulic pump, and controller is connected with the hand-held device; Wherein, pressure transducer inductive action pressure and treatment conversion on it becomes electric signal to be transferred to controller; After the electrical signal conversion that controller sends pressure transducer is handled; Send to the hand-held device through serial ports, and receive pressurization that the hand-held device sends or decompression instruction and computing converts corresponding signal to and removes to control the corresponding valve of hydraulic pump through MCU (Micro Control Unit microprocessor).
Further, pressure transducer comprises sensitive element, conversion element and power supply processing module; Power supply processing module is the conversion element power supply, and sensitive element is transferred to conversion element with the pressure signal of sensing, and conversion element converts pressure signal to electric signal and is transferred to controller.
Further, controller comprises power supply processing module, signal processing module, MCU, communication modular converter and hydraulic pump control treatment module; Power supply processing module is signal processing module, MCU, communication modular converter and the power supply of hydraulic pump control treatment module; Signal processing module receives the electric signal and the conversion process of pressure transducer transmission and issues MCU; The conversion of signals that the communication modular converter sends MCU (Micro Control Unit micro-control unit) becomes the high and signal suitable long Distance Transmission of anti-interference to send to the hand-held device, and receives and send to MCU after pressurization that the hand-held device sends or decompression instruction and the conversion process and handle; The pressurization of hydraulic pump control treatment module reception MCU or the instruction of decompression remove to control the flow of hydraulic pump valve after conversion process.
Further, the hand-held device comprises power supply processing module, seven segment code display module, MCU, communication modular converter and manipulater keyboard; Power supply processing module is seven segment code display module, MCU, communication modular converter and the power supply of manipulater keyboard; The seven segment code display module is used to show current pressure; The manipulater keyboard is used to revise pressure, and signal is transferred to MCU; The communication modular converter
Pressurization that MCU is sent or decompression command signal convert the high and signal suitable long Distance Transmission of anti-interference to and send to controller, and receive and send to MCU after current pressure that controller sends and instruction feedback signal and the conversion process and handle accordingly.
A kind ofly detect the method whether the elevator band-type brake is held tightly, may further comprise the steps:
Step 1 is fixed on the car roof crossbeam detecting the device whether the elevator band-type brake hold tightly, after with cage operation to top layer;
A kind of method that detects balance coefficient of elevator may further comprise the steps:
Step 1 is fixed in the device that detects balance coefficient of elevator on the car roof crossbeam, after with cage operation to top layer;
After adopting such scheme, the present invention uses and detects the device whether the elevator band-type brake is held tightly, has not only saved loaded down with trivial details carrying work, and has guaranteed testing staff's life security to detect easy and safety.Simultaneously, the present invention uses the device that detects balance coefficient of elevator, has not only saved loaded down with trivial details carrying, surveying work, and coefficient of balance also can directly read through this device, measures easy and accurate.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a module diagram of the present invention;
Fig. 3 is the structural representation of pressure transducer of the present invention;
Fig. 4 is the structural representation of controller of the present invention;
The structural representation of Fig. 5 hand-held device of the present invention;
Fig. 6 is user mode figure of the present invention.
Label declaration
Base 1 pressure transducer 2
Power supply processing module 23 hydraulic pumps 3
Communication modular converter 44 hydraulic pump control treatment module 45
Hand-held device 5 power supply processing modules 51
Seven segment code display module 52 MCU53
Communication modular converter 54 manipulater keyboards 55
Expansion link 6.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done detailed explanation.
Consult Fig. 1 to shown in Figure 2; A kind of both having can be used as that the present invention discloses detected the device 100 whether the elevator band-type brake is held tightly; Also can be used as the device 100 that detects balance coefficient of elevator, comprise base 1, pressure transducer 2, hydraulic pump 3, controller 4, hand-held device 5 and expansion link 6.
Wherein, pressure transducer 2 inductive actions pressure and treatment conversion on it becomes electric signal to be transferred to controller 4; After the electrical signal conversion that controller 4 sends pressure transducer 2 is handled; Send to hand-held device 5 through serial ports, and receive pressurization that hand-held device 5 sends or decompression instruction and computing converts corresponding signal to and removes to control hydraulic pump 3 corresponding valves through MCU (Micro Control Unit microprocessor).
As shown in Figure 3, pressure transducer 2 comprises sensitive element 21, conversion element 22 and power supply processing module 23.
Power supply processing module 23 is conversion element 22 power supplies, and sensitive element 21 is transferred to conversion element 22 with the pressure signal of sensing, and conversion element 22 converts pressure signal to electric signal and is transferred to controller 4.
As shown in Figure 4, controller 4 comprises power supply processing module 41, signal processing module 42, MCU43, communication modular converter 44 and hydraulic pump control treatment module 45.
Power supply processing module 41 is signal processing module 42, MCU43, communication modular converter 44 and 45 power supplies of hydraulic pump control treatment module.
As shown in Figure 5, hand-held device 5 comprises power supply processing module 51, seven segment code display module 52, MCU53, communication modular converter 54 and manipulater keyboard 55.
Power supply processing module 51 is seven segment code display module 52, MCU53, communication modular converter 54 and 55 power supplies of manipulater keyboard.
Seven segment code display module 52 is used to show current pressure; Manipulater keyboard 55 is used to revise pressure, and signal is transferred to MCU53; Pressurization that communication modular converter 54 sends MCU53 or decompression command signal convert the high and signal suitable long Distance Transmission of anti-interference to and send to controller 4, and receive and send to MCU53 after current pressure that controller 4 sends and instruction feedback signal and the conversion process and handle accordingly.
The present invention also discloses a kind of method whether the elevator band-type brake is held tightly that detects, and may further comprise the steps:
Step 1, as shown in Figure 6, be fixed on the car roof crossbeam detecting the device 100 whether the elevator band-type brake hold tightly, base 1 is fixed on the car roof crossbeam, after with cage operation to top layer;
Said detection method has not only been saved carrying work loaded down with trivial details in the prior art, and has guaranteed testing staff's life security, detects easy and safety.
The present invention also discloses a kind of method that detects balance coefficient of elevator, may further comprise the steps:
Step 1, as shown in Figure 6, the device 100 that detects balance coefficient of elevator is fixed on the car roof crossbeam, base 1 is fixed on the car roof crossbeam, after with cage operation to top layer;
Said detection method has not only been saved carrying, surveying work loaded down with trivial details in the prior art, and coefficient of balance also can directly read through this device and method, measures easyly and accurate.
The above is merely preferred embodiment of the present invention, is not the restriction to this case design, and all equivalent variations of doing according to the design key of this case all fall into the protection domain of this case.
Claims (6)
1. one kind is detected the device that balance coefficient of elevator was held and detected to the elevator band-type brake whether tightly, it is characterized in that: comprise base, pressure transducer, hydraulic pump, controller, hand-held device and expansion link; Pressure transducer is arranged on the base, and expansion link and hydraulic pump are arranged side by side on pressure transducer; Controller is arranged on the hydraulic pump, and controller is connected with the hand-held device; Wherein, pressure transducer inductive action pressure and treatment conversion on it becomes electric signal to be transferred to controller; After the electrical signal conversion that controller sends pressure transducer is handled, send to the hand-held device, and receive pressurization that the hand-held device sends or decompression instruction and computing converts corresponding signal to and removes to control the corresponding valve of hydraulic pump through MCU through serial ports.
2. a kind of device that balance coefficient of elevator was held and detected to the elevator band-type brake whether tightly that detects as claimed in claim 1, it is characterized in that: pressure transducer comprises sensitive element, conversion element and power supply processing module; Power supply processing module is the conversion element power supply, and sensitive element is transferred to conversion element with the pressure signal of sensing, and conversion element converts pressure signal to electric signal and is transferred to controller.
3. a kind of device that balance coefficient of elevator was held and detected to the elevator band-type brake whether tightly that detects as claimed in claim 1, it is characterized in that: controller comprises power supply processing module, signal processing module, MCU, communication modular converter and hydraulic pump control treatment module; Power supply processing module is signal processing module, MCU, communication modular converter and the power supply of hydraulic pump control treatment module; Signal processing module receives the electric signal and the conversion process of pressure transducer transmission and issues MCU; The conversion of signals that the communication modular converter sends MCU becomes the high and signal suitable long Distance Transmission of anti-interference to send to the hand-held device, and receives and send to MCU after pressurization that the hand-held device sends or decompression instruction and the conversion process and handle; The pressurization of hydraulic pump control treatment module reception MCU or the instruction of decompression remove to control the flow of hydraulic pump valve after conversion process.
4. a kind of device that balance coefficient of elevator was held and detected to the elevator band-type brake whether tightly that detects as claimed in claim 1, it is characterized in that: the hand-held device comprises power supply processing module, seven segment code display module, MCU, communication modular converter and manipulater keyboard; Power supply processing module is seven segment code display module, MCU, communication modular converter and the power supply of manipulater keyboard; The seven segment code display module is used to show current pressure; The manipulater keyboard is used to revise pressure, and signal is transferred to MCU; Pressurization that the communication modular converter sends MCU or decompression command signal convert the high and signal suitable long Distance Transmission of anti-interference to and send to controller, and receive and send to MCU after current pressure that controller sends and instruction feedback signal and the conversion process and handle accordingly.
5. one kind is detected the method whether the elevator band-type brake is held tightly, it is characterized in that: may further comprise the steps:
Step 1 is fixed in device as claimed in claim 1 on the car roof crossbeam, after with cage operation to top layer;
Step 2; According to the elevator field condition; The control personnel control said device outdoors at machine room or top layer layer makes it to car pressure boost gradually; When pressure increases to when being equivalent to 125% load weight, crawl operation elevator descending and unclamp at once band-type brake detect band-type brake with this can braking reliability.
6. method that detects balance coefficient of elevator is characterized in that: may further comprise the steps:
Step 1 is fixed in device as claimed in claim 1 on the car roof crossbeam, after with cage operation to top layer;
Step 2; According to the elevator field condition; The control personnel control said device outdoors at machine room or top layer layer makes it to car pressure boost gradually, unclamps the traction machine band-type brake when being equivalent to 50% load weight when pressure increases to, and this moment is if elevator slips ladder toward counterweight one side; The weight of surveying the explanation counterweight is big, and the counterweight weight that needs to reduce is P2=P1-50%*P; If slip ladder toward car one side the counterweight shortage in weight is described then, thereby is reduced pressure that device is applied to car up to no longer slipping ladder, the counterweight weight that need to increase this moment is P2=50%*P-P1; The counterweight quantity that will increase or reduce like this is M=P2/p.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210143732.7A CN102645333B (en) | 2012-05-10 | 2012-05-10 | Method and device for detecting balance coefficient and whether band-type brake holds tightly or not |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210143732.7A CN102645333B (en) | 2012-05-10 | 2012-05-10 | Method and device for detecting balance coefficient and whether band-type brake holds tightly or not |
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| Publication Number | Publication Date |
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| CN102645333A true CN102645333A (en) | 2012-08-22 |
| CN102645333B CN102645333B (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210143732.7A Expired - Fee Related CN102645333B (en) | 2012-05-10 | 2012-05-10 | Method and device for detecting balance coefficient and whether band-type brake holds tightly or not |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401834A (en) * | 2014-11-21 | 2015-03-11 | 申龙电梯股份有限公司 | Detection device and method for brake force of elevator traction machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09208148A (en) * | 1996-02-06 | 1997-08-12 | Toshiba Corp | Load simulator of hydraulic unit for elevator |
| JPH10109852A (en) * | 1996-10-08 | 1998-04-28 | Hitachi Building Syst Co Ltd | Examination device of weighing system for elevator |
| KR20000036654A (en) * | 2000-03-24 | 2000-07-05 | 김은영 | Load measurement device of elevator |
| CN101537955A (en) * | 2009-04-30 | 2009-09-23 | 北京市朝阳区特种设备检测所 | Elevator non-load traction capacity detecting method |
| CN202599648U (en) * | 2012-05-10 | 2012-12-12 | 厦门汉京自动化科技有限公司 | Device capable of detecting whether elevator internal contracting brake is contracted and detecting elevator equilibrium coefficient |
-
2012
- 2012-05-10 CN CN201210143732.7A patent/CN102645333B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09208148A (en) * | 1996-02-06 | 1997-08-12 | Toshiba Corp | Load simulator of hydraulic unit for elevator |
| JPH10109852A (en) * | 1996-10-08 | 1998-04-28 | Hitachi Building Syst Co Ltd | Examination device of weighing system for elevator |
| KR20000036654A (en) * | 2000-03-24 | 2000-07-05 | 김은영 | Load measurement device of elevator |
| CN101537955A (en) * | 2009-04-30 | 2009-09-23 | 北京市朝阳区特种设备检测所 | Elevator non-load traction capacity detecting method |
| CN202599648U (en) * | 2012-05-10 | 2012-12-12 | 厦门汉京自动化科技有限公司 | Device capable of detecting whether elevator internal contracting brake is contracted and detecting elevator equilibrium coefficient |
Non-Patent Citations (3)
| Title |
|---|
| 张金花: "电梯平衡系数测量和设定", 《上海铁道科技》, no. 1, 31 December 2007 (2007-12-31) * |
| 施育峰: "从电梯新检规的改动看抱闸试验年检的必要性", 《装备制造技术》, no. 12, 31 December 2010 (2010-12-31) * |
| 石成江等: "电梯平衡系数测试仪的开发", 《机械设计与制造》, no. 6, 30 June 2005 (2005-06-30) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401834A (en) * | 2014-11-21 | 2015-03-11 | 申龙电梯股份有限公司 | Detection device and method for brake force of elevator traction machine |
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| CN102645333B (en) | 2014-10-15 |
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Owner name: XIAMEN WEIZHI ELECTRNONCI TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XIAMEN HANJING AUTOMATION CO., LTD. Effective date: 20150107 |
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Effective date of registration: 20150107 Address after: 361000 E1005C room, Taiwan science and technology enterprise incubation center, torch hi tech Zone (Xiangan), Xiamen, Fujian Patentee after: XIAMEN WEIZHI ELECTRONIC TECHNOLOGY CO., LTD. Address before: 361000 N227 room, Weiye building, pioneer zone, torch hi tech Zone, Xiamen, Fujian Patentee before: Xiamen Hanjing Automation Science & Technology Co., Ltd. |
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Granted publication date: 20141015 Termination date: 20210510 |
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