CN102951508B - Device and method for confirming position of lift car - Google Patents
Device and method for confirming position of lift car Download PDFInfo
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- CN102951508B CN102951508B CN201210356763.0A CN201210356763A CN102951508B CN 102951508 B CN102951508 B CN 102951508B CN 201210356763 A CN201210356763 A CN 201210356763A CN 102951508 B CN102951508 B CN 102951508B
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Abstract
The invention relates to a device and a method for confirming the position of a lift car, which solve the technical problems of increasing of adjustment workload, increasing of cost and function failure in the prior art. The device comprises a lift car and a counter weight, wherein a compensation chain is connected between the lift car and the bottom of the counter weight; a weighing machine is mounted at the bottom of the lift car; the compensation chain is connected on the weighing machine; a processor for judging the position of the lift car according to the detected weight of the compensation chain is further arranged in the lift car; and the weighing machine is connected with the processor. The device has the advantages that: few parts are requested, the assembly structure is simple, and the device is low in cost and convenient to mount; the device can not be affected by the state of power or no power; the device is high in lift car position positioning speed; the device is free of adjustment and can be put in service after being mounted; the device is high in reliability and has no influence on normal operation of a lift even though the device is out of order due to equipment fault; and the device has low requirements on the parts and low requirement on the measurement accuracy.
Description
Technical field
The present invention relates to a kind of elevator floor registration device, especially relate to the elevator car position that a kind of locating speed is fast, structure is simple, cost is low and confirm device, and elevator car position confirmation method.
Background technology
Elevator car position normally runs for elevator has very important meaning.At present, Application comparison is utilize rotary encoder to realize the confirmation of elevator car position widely.When elevator owing to anxious to stop, system cut-off or occur between hoist ropes and traction sheave the situations such as slippage cause elevator position to be lost time, position is carried out to elevator and is confirmed to be necessary again, otherwise elevator normally cannot run.
At present, more common car position again confirmation method makes elevator run to end station position, using the key horizon of end station position as elevator.
Also have some patents as Authorization Notice No. be the Chinese utility model patent of CN202046769U, the Chinese invention application that is CN1491878A of the Authorization Notice No. Chinese invention patent that is CN201062178Y, publication number, these patents propose encodes to each floor of elevator hoistways, then the coded message by detecting respective storey confirms the position of lift car, but need to increase a large amount of detected materials or detector to the method that each floor of elevator hoistways is encoded, add the work capacity of elevator Installation and Debugging, too increase the cost of elevator simultaneously.
Also have some patents in addition, if publication number is the Chinese invention application of CN102344063A, proposes, on velocity limiter, absolute type encoder system is installed, utilize speed limiter wire rope to confirm elevator car position with being fixedly connected with of car.But the method for installing absolute type encoder system on velocity limiter needs to increase an absolute type encoder on the basis of existing elevator device, and its cost is relatively higher; And when elevator power-off, the function of coder will lose efficacy.
Summary of the invention
The present invention mainly solves in prior art to adopt and encodes to floor, by the mode and employing that detect respective storey coded message determination elevator car position, absolute encoder system is installed on velocity limiter, utilize speed limiter wire rope to confirm the increase debugging work load that the mode of elevator car position exists, the technical matters increasing cost, disabler with being fixedly connected with of car, provide the elevator car position that a kind of locating speed is fast, structure is simple, cost is low, do not affect by power supply status and confirm device.
Present invention also offers the elevator car position confirmation method that a kind of locating speed is fast, accuracy requirement is low.
Above-mentioned technical matters of the present invention is mainly solved by following technical proposals: a kind of elevator car position confirms device, comprise car and counterweight, compensated chain is connected with between car and the bottom of counterweight, in the bottom of car, weighing apparatus is installed, described compensated chain is connected on weighing apparatus, in car, be also provided with the treater judging car position according to the compensated chain weight detected, weighing apparatus is connected with treater.The present invention only need increase a weighing apparatus on existing elevator device, and coordinates corresponding control program, can realize the determination to elevator car position.Parts required for the present invention are few, and mounting structure is simple, only need install a weighing apparatus at cage bottom, are connected by compensated chain, install very convenient with weighing apparatus, and without the need to increasing other annexes in elevator, installation cost is low, does not also need debugging to use after installation.This device does not receive non-powered state impact.Even if car occurred after elevator power-off to move, when system powers on again, device can directly use, and finds the position of car with utmost dispatch by apparatus for controlling elevator.In addition, device reliability is high, even if device lost efficacy because of breakdown of equipment, elevator normally ran unaffected.
A kind of elevator car position confirmation method, comprises the following steps:
A. elevator carries out self study, set up car in the position of each floor leveling zone and the compensated chain under being suspended on car the corresponding relation between the weight of each floor leveling zone;
B. during Elevator landing, weighing apparatus is weighed to compensated chain, and the information detected is sent to treater, by the information detected, with reference to the position of each floor leveling zone and the compensated chain under being suspended on car, the corresponding relation between the weight of each floor leveling zone obtains elevator car position to treater.The present invention adopts the method for metrophia compensation chain weight, and require low to survey precision, required part is few, reduces cost.The inventive method can find the position of car fast, and device is not affected by power supply status, improves elevator service efficiency.
As a kind of preferred version, described self study is the weight of weighing apparatus detection car compensated chain when each floor door zone position of cage bottom, and record compensated chain weight and corresponding floor position corresponding relation, then exist the information of self study in treater.
As a kind of preferred version, when elevator normal operation, treater compares according to weighing apparatus the layer location information that the information of the floor position that compensated chain weighting manner obtains and lift car are obtained by rotary encoder mode, if the lift car floor location information that two kinds of modes obtain is common, then judge that elevator car position is normally errorless, otherwise judge that elevator car position is abnormal.The inventive method can obtain elevator car position fast and accurately, compared by the elevator car position obtained with rotary encoder or other modes, can judge that whether elevator car position is abnormal, can carry out adjusting or give the alarm to apparatus for controlling elevator and to be keeped in repair by maintainer by photos and sending messages when occurring abnormal, ensure that elevator runs safer.
As a kind of preferred version, when elevator loses car position because of extraordinary circumstances, apparatus for controlling elevator controls lift car stop layers nearby, by weighing apparatus to compensated chain weigh each floor door district stored in the information contrast treater that obtains time compensated chain weight information, confirm elevator car position, recover elevator immediately and normally run.Under special circumstances, when elevator due to anxious stop or not under command light factor causes the car position in control system to be lost time, the inventive method can facilitate, find out elevator car position the most fast, and recovery elevator normally runs immediately, substantially increases the performance of elevator.
Therefore, advantage of the present invention is: 1. needed for, parts are few, and mounting structure is simple, and installation cost is low, easy for installation; 2. do not receive non-powered state impact; 3. the position locating speed of car is fast; 4., without the need to debugging, install and can use; 5. device reliability is high, even if device lost efficacy because of breakdown of equipment, elevator normally ran unaffected; 6. pair parts require low, require low to survey precision.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of the present invention.
1-car 2-counterweight 3-weighing apparatus 4-compensated chain 5-traction sheave 6-track adjusting wheel.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment:
A kind of elevator car position of the present embodiment confirms device, and as shown in Figure 1, include car 1 and counterweight 2, car upper is connected with hoist ropes, and hoist ropes is connected to counterweight 2 top after walking around traction sheave 5 and track adjusting wheel 6.Be connected with compensated chain 4 between bottom car and counterweight, the bottom of this car is provided with weighing apparatus 3, and compensated chain is connected on weighing apparatus.In car, be also provided with the treater judging car position according to the compensated chain weight detected, weighing apparatus is connected with treater.
This elevator car position confirms that the confirmation method of device is:
First, when the debugging terminating to carry out normal operation installed by elevator, elevator needs the self study of an execution hoistway information, when carrying out the self study of elevator hoistways information, the weighing apparatus of cage bottom detects the weight of car compensated chain when each floor door zone position, set up car in the position of each floor leveling zone and the compensated chain under being suspended on car the corresponding relation between the weight of each floor leveling zone, and by these information storage in treater.
Elevator is Elevator landing under normal operating conditions, weighing apparatus is weighed to compensated chain, and the information detected is sent to treater, by the information detected, with reference to the position of each floor leveling zone and the compensated chain under being suspended on car, the corresponding relation between the weight of each floor leveling zone obtains elevator car position to treater.
In addition, treater compares according to weighing apparatus the layer location information that the information of the floor position that compensated chain weighting manner obtains and lift car are obtained by rotary encoder mode, if the lift car floor location information that two kinds of modes obtain is common, then judge that elevator car position is normally errorless, otherwise judge that elevator car position is abnormal.
At elevator because of in particular cases; as elevator due to anxious stop or not under command light factor causes the car position in control system to be lost time; apparatus for controlling elevator controls lift car stop layers nearby; by weighing apparatus to compensated chain weigh each floor door district stored in the information contrast treater that obtains time compensated chain weight information; confirm elevator car position, recover elevator immediately and normally run.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ the terms such as car, counterweight, weighing apparatus, compensated chain, traction sheave, track adjusting wheel herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (4)
1. an elevator car position confirms device, comprise car and counterweight, compensated chain is connected with between car and the bottom of counterweight, it is characterized in that: in the bottom of car (1), weighing apparatus (3) is installed, described compensated chain is connected on weighing apparatus, in car, be also provided with the treater judging car position according to the compensated chain weight detected, weighing apparatus is connected with treater.
2. an elevator car position confirmation method, adopts the device in claim 1, it is characterized in that: comprise the following steps:
A. elevator carries out self study, set up car in the position of each floor leveling zone and the compensated chain under being suspended on car the corresponding relation between the weight of each floor leveling zone;
B. during Elevator landing, weighing apparatus is weighed to compensated chain, and the information detected is sent to treater, by the information detected, with reference to the position of each floor leveling zone and the compensated chain under being suspended on car, the corresponding relation between the weight of each floor leveling zone obtains elevator car position to treater, when elevator normal operation, treater compares according to weighing apparatus the layer location information that the information of the floor position that compensated chain weighting manner obtains and lift car are obtained by rotary encoder mode, if the lift car floor location information that two kinds of modes obtain is common, then judge that elevator car position is normally errorless, otherwise judge that elevator car position is abnormal.
3. a kind of elevator car position confirmation method according to claim 2, it is characterized in that described self study is the weight of weighing apparatus detection car compensated chain when each floor door zone position of cage bottom, record compensated chain weight and corresponding floor position corresponding relation, then exist the information of self study in treater.
4. a kind of elevator car position confirmation method according to Claims 2 or 3, it is characterized in that when elevator loses car position because of extraordinary circumstances, apparatus for controlling elevator controls lift car stop layers nearby, by weighing apparatus to compensated chain weigh each floor door district stored in the information contrast treater that obtains time compensated chain weight information, confirm elevator car position, recover elevator immediately and normally run.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210356763.0A CN102951508B (en) | 2012-09-24 | 2012-09-24 | Device and method for confirming position of lift car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210356763.0A CN102951508B (en) | 2012-09-24 | 2012-09-24 | Device and method for confirming position of lift car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102951508A CN102951508A (en) | 2013-03-06 |
| CN102951508B true CN102951508B (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210356763.0A Active CN102951508B (en) | 2012-09-24 | 2012-09-24 | Device and method for confirming position of lift car |
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| CN (1) | CN102951508B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103803367B (en) * | 2013-12-19 | 2017-01-18 | 西子奥的斯电梯有限公司 | Elevator reset operation method |
| CN104444710A (en) * | 2014-09-28 | 2015-03-25 | 苏州福沃斯电梯有限公司 | Elevator |
| CN106946131B (en) * | 2017-04-05 | 2020-03-20 | 深圳市海浦蒙特科技有限公司 | Elevator arrival flat zone judgment method, elevator control method and system |
| EP3587324A1 (en) * | 2018-06-22 | 2020-01-01 | Otis Elevator Company | Elevator system |
| CN110054046B (en) * | 2019-05-17 | 2021-10-19 | 日立楼宇技术（广州）有限公司 | Car position determining method, device and system based on compensation chain and elevator equipment |
| CN110143513B (en) * | 2019-05-21 | 2021-06-01 | 陆增益 | Energy storage and energy saving elevator with variable counterweight and use method thereof |
| CN114538236B (en) * | 2022-02-23 | 2023-01-06 | 南通中力科技有限公司 | Elevator compensation chain with chain breakage protection function |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201587780U (en) * | 2009-12-23 | 2010-09-22 | 西子奥的斯电梯有限公司 | Traveling cable for elevator |
| CN102311026A (en) * | 2010-07-01 | 2012-01-11 | 上海三菱电梯有限公司 | Elevator lift car position and speed detecting device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2886442B2 (en) * | 1994-03-11 | 1999-04-26 | 三菱電機ビルテクノサービス株式会社 | Elevator clearance monitoring device |
| JP2004010207A (en) * | 2002-06-04 | 2004-01-15 | Mitsubishi Electric Corp | Car position detection device of elevator |
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- 2012-09-24 CN CN201210356763.0A patent/CN102951508B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201587780U (en) * | 2009-12-23 | 2010-09-22 | 西子奥的斯电梯有限公司 | Traveling cable for elevator |
| CN102311026A (en) * | 2010-07-01 | 2012-01-11 | 上海三菱电梯有限公司 | Elevator lift car position and speed detecting device |
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| CN102951508A (en) | 2013-03-06 |
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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. |