CN103253576B - Elevator car speed monitored control system - Google Patents
Elevator car speed monitored control system Download PDFInfo
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- CN103253576B CN103253576B CN201310157010.1A CN201310157010A CN103253576B CN 103253576 B CN103253576 B CN 103253576B CN 201310157010 A CN201310157010 A CN 201310157010A CN 103253576 B CN103253576 B CN 103253576B
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Abstract
The invention provides a kind of elevator car speed monitored control system, comprise elevator control panel, wherein, also comprise magnetic railings ruler, described magnetic railings ruler comprises grid chi, magnetic induction sensor and control capsule; The grid chi of magnetic railings ruler is suspended in elevator hoistways from hoistway plan vertical, described magnetic induction sensor is fixed on car outer wall, and be connected to elevator control panel by control capsule, for the First Speed value of the described lift car collected is sent to described elevator control panel by control capsule; Described elevator control panel is for receiving described First Speed value and carrying out speed monitoring by described First Speed value to described lift car.The present invention accurately can detect the actual speed of car, and safety and reliability is very high.
Description
Technical field
The present invention relates to elevator control technology field, particularly relate to a kind of elevator car speed monitored control system.
Background technology
The operation of elevator controls motor by frequency converter according to the velocity curve preset in apparatus for controlling elevator to rotate, thus adjust the running velocity of car.
During elevator runs, the control rate of any instant can be acquired from the pulse coder motor shaft by frequency converter, monitoring is carried out to the real-world operation speed of elevator and need collect accurate velocity amplitude, traditional elevator car speed monitoring is all adopt the technology of installing coder on velocity limiter, this technology directly cannot obtain the actual speed of car, but the speed of car is indirectly obtained by the speed of measuring steel wire rope, owing to often there is the problem that steel rope skids when elevator runs, the control rate value error of the car real-world operation velocity amplitude collected and frequency converter is larger, to the safe operation of elevator, there is considerable influence.
Summary of the invention
Based on this, the invention provides a kind of elevator car speed monitored control system, the actual speed of car accurately can be detected, safety and reliability is very high.
A kind of elevator car speed monitored control system, comprise elevator control panel, wherein, also comprise magnetic railings ruler, described magnetic railings ruler comprises grid chi, magnetic induction sensor and control capsule;
The grid chi of magnetic railings ruler is suspended in elevator hoistways from hoistway plan vertical, described magnetic induction sensor is fixed on car outer wall, and be connected to elevator control panel by control capsule, for the First Speed value of the described lift car collected is sent to described elevator control panel by control capsule;
Described elevator control panel is for receiving described First Speed value and carrying out speed monitoring by described First Speed value to described lift car.
Above-mentioned elevator car speed monitored control system, the grid chi of magnetic railings ruler is suspended on magnetic induction sensor in elevator hoistways from hoistway plan vertical and is fixed on car outer wall, magnetic induction sensor is mobile with cage operation, magnetic induction sensor collects the values for actual speed of car by grid chi, elevator control panel is connected to by control capsule, elevator control panel therefore can precise acquisition to values for actual speed during cage operation, elevator control panel can carry out a series of effective monitoring to elevator car speed by this values for actual speed, and the safety and reliability of system is very high.
Accompanying drawing explanation
Fig. 1 is elevator car speed monitored control system of the present invention structural representation in one embodiment.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
As shown in Figure 1, be elevator car speed monitored control system of the present invention structural representation in one embodiment, comprise elevator control panel 12, wherein, also comprise magnetic railings ruler 11, described magnetic railings ruler 11 comprises grid chi 111, magnetic induction sensor 112 and control capsule 113;
The grid chi 111 of magnetic railings ruler 11 is suspended in elevator hoistways from hoistway plan vertical, described magnetic induction sensor 112 is fixed on car outer wall, and be connected to elevator control panel 12 by control capsule 113, for the First Speed value of the described lift car collected is sent to described elevator control panel 12 by control capsule 113;
Described elevator control panel 12 is for receiving described First Speed value and carrying out speed monitoring by described First Speed value to described lift car;
In the present embodiment, grid chi 111 is suspended in elevator hoistways from hoistway plan vertical, magnetic induction sensor 112 is fixed on car outer wall, when car movement, magnetic induction sensor 112 is with car movement, through grid chi 111 when magnetic induction sensor 112 moves, therefore magnetic railings ruler 11 energy precise acquisition is to the values for actual speed of car, is above-mentioned First Speed value; Magnetic induction sensor 112 is connected to elevator control panel 12 by control capsule 113, and the real-time speed value of the car collected is sent to elevator control panel 12; After elevator control panel 12 receives the First Speed value of car, by this First Speed value, a series of speed monitoring is carried out to lift car.
In a preferred embodiment, described elevator control panel 12 also for:
The second speed value of lift car is obtained by the coder be arranged on motor shaft;
Described First Speed value and second speed value are compared, if both differences exceed the error limit of setting, then sends ramp to stop instruction;
In the present embodiment, described elevator control panel 12 can read the First Speed value of lift car in real time, simultaneously, during elevator cage operation, control desk can be preset with velocity curve, and control desk controls motor rotation, drive lift car according to the velocity curve motion preset, motor shaft is provided with coder, the second speed value of this coder also Real-time Collection lift car, the velocity amplitude in the velocity curve namely preset in above-mentioned control desk;
First Speed value and second speed value compare by elevator control panel in real time, carry out speed monitoring to described lift car; When both differences exceed the error limit of setting, the second speed value that such as First Speed value controls higher than control desk, and this difference exceedes default error amount, need send ramp to stop instruction.This error limit can be adjusted flexibly by the function code of frequency converter, can adapt to different ladder speed and field condition, significantly improve reliability and the comformability of system.
In a preferred embodiment, described elevator control panel 12 also can be used for:
When elevator cage operation is to the end station position of presetting, if the described First Speed value received is greater than default normal retardation curve speed, then send ramp to stop instruction, control lift car and slow down according to the special deceleration/decel preset;
Set the location parameter of a distance end station simultaneously, in this position range, if the lift car First Speed value got still is greater than the speed of default special retardation curve, and the lift car second speed value got by the coder be arranged on motor shaft is greater than default safety threshold velocity, then disconnect safety return circuit, lift car described in the urgent stop of control brake band-type brake.
In the present embodiment, by setting the normal deceleration/decel of elevator and special deceleration/decel, control desk draw in theory elevator according to the retardation curve of special deceleration/decel and the retardation curve according to normal deceleration/decel.End station position comprises the upstation position and lower end station location of presetting in hoistway, the end station position of lift car through presetting, if the normal retardation curve speed that the lift car First Speed value that control desk gets is preset higher than this position, then control desk sends ramp to stop instruction.Lift car also continues to run behind end station position, therefore the location parameter of setpoint distance upstation and lower end station respectively simultaneously is also needed, from end station position to setting position, in this position range, if the lift car First Speed value that control desk gets still is greater than the speed of special retardation curve, and the lift car second speed value got by the coder be arranged on motor shaft is greater than default safety threshold velocity, then control desk disconnects safety return circuit, the urgent stop elevator car of control brake report lock.
In a preferred embodiment, described elevator control panel 12 also can be used for:
When the First Speed value of the described lift car got is greater than 110% of specified elevator speed, sends and force ramp to stop instruction, control described lift car and carry out slowing down and out of service according to the special deceleration/decel preset;
In the present embodiment, lift car is in operational process, Real-time Collection First Speed value, when First Speed value is greater than 110% of specified elevator speed, represents that current elevator speed exceeds the speed limit, elevator speed occurs abnormal, need carry out lift car and force ramp to stop, control car and slow down by the special deceleration/decel preset, and stop it running, can effectively prevent elevator interruption of service, facilitate checkout facility.
In a preferred embodiment, described magnetic induction sensor 112 is connected by CAN with described control capsule 113, described control capsule 113 is connected by CAN with described elevator control panel 12, can transmit the data that magnetic railings ruler 11 gathers and the various control commands transmitting elevator control panel 12 rapidly by CAN communication.
In a preferred embodiment, bottom the grid chi 111 of described magnetic railings ruler 11, also anti-sway device is installed, can prevents the magnetic scale hung from arbitrarily waving uncontrollably.
In a preferred embodiment, described control capsule 113 is arranged on car top.
Elevator car speed monitored control system of the present invention, the grid chi of magnetic railings ruler is suspended on magnetic induction sensor in elevator hoistways from hoistway plan vertical and is fixed on car outer wall, magnetic induction sensor is mobile with cage operation, magnetic induction sensor collects the values for actual speed of car by grid chi, elevator control panel is connected to by control capsule, elevator control panel therefore can precise acquisition to values for actual speed during cage operation, elevator control panel can carry out a series of effective monitoring to elevator car speed by this values for actual speed, and the safety and reliability of system is very high.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (7)
1. an elevator car speed monitored control system, comprises elevator control panel, it is characterized in that, also comprises magnetic railings ruler, and described magnetic railings ruler comprises grid chi, magnetic induction sensor and control capsule;
The grid chi of magnetic railings ruler is suspended in elevator hoistways from hoistway plan vertical, described magnetic induction sensor is fixed on car outer wall, and be connected to elevator control panel by control capsule, for the First Speed value of the described lift car collected is sent to described elevator control panel by control capsule;
Described elevator control panel for receiving described First Speed value, and obtains the second speed value of lift car by the coder be arranged on motor shaft, described First Speed value and second speed value are compared, carry out speed monitoring to described lift car;
Described elevator control panel also for:
When elevator cage operation is to the end station position of presetting, if the described First Speed value received is greater than default normal retardation curve speed, then send ramp to stop instruction, control lift car and slow down according to the special deceleration/decel preset;
Set the location parameter of a distance end station simultaneously, in this position range, if the lift car First Speed value got still is greater than the speed of default special retardation curve, and the lift car second speed value got by the coder be arranged on motor shaft is greater than default safety threshold velocity, then disconnect safety return circuit, lift car described in the urgent stop of control brake band-type brake.
2. elevator car speed monitored control system according to claim 1, is characterized in that, described elevator control panel also for:
Described First Speed value and second speed value are compared, if both differences exceed the error limit of setting, then sends ramp to stop instruction.
3. elevator car speed monitored control system according to claim 1, is characterized in that, described elevator control panel also for:
When the First Speed value of the described lift car got is greater than 110% of specified elevator speed, sends and force ramp to stop instruction, control described lift car and carry out slowing down and out of service according to the special deceleration/decel preset.
4. elevator car speed monitored control system according to claim 1, is characterized in that, described magnetic induction sensor is connected by CAN with described control capsule, and described control capsule is connected by CAN with described elevator control panel.
5. elevator car speed monitored control system according to claim 1, is characterized in that, also comprise be arranged at elevator pit subtract stroke buffers.
6. elevator car speed monitored control system according to claim 1, is characterized in that, is also provided with anti-sway device bottom the grid chi of described magnetic railings ruler.
7. elevator car speed monitored control system according to claim 1, is characterized in that, described control capsule is arranged on car top.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310157010.1A CN103253576B (en) | 2013-04-28 | 2013-04-28 | Elevator car speed monitored control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310157010.1A CN103253576B (en) | 2013-04-28 | 2013-04-28 | Elevator car speed monitored control system |
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| CN103253576A CN103253576A (en) | 2013-08-21 |
| CN103253576B true CN103253576B (en) | 2016-04-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103538982B (en) * | 2013-11-01 | 2016-02-24 | 苏州德奥电梯有限公司 | A kind of escalator monitoring device |
| CN106707022A (en) * | 2017-01-23 | 2017-05-24 | 无锡英威腾电梯控制技术有限公司 | Method for acquiring running parameters of elevator and sampler |
| CN107200250A (en) * | 2017-07-27 | 2017-09-26 | 河南省特种设备安全检测研究院 | Buffer of elevator resetting time detection means |
| WO2019169623A1 (en) * | 2018-03-09 | 2019-09-12 | 日立电梯（中国）有限公司 | Sensing system for determining absolute position of elevator car and self-testing method thereof |
| CN109019232B (en) * | 2018-09-07 | 2020-08-14 | 江苏蒙哥马利电梯有限公司 | Control method of electronic safety gear system capable of reducing speed of high-speed elevator |
| CN110040585A (en) * | 2019-05-20 | 2019-07-23 | 广东卓梅尼技术股份有限公司 | Absolute value transducer control system |
| CN110127483A (en) * | 2019-05-28 | 2019-08-16 | 苏州台菱电梯有限公司 | A kind of elevator faults rescue system |
| CN110271930A (en) * | 2019-06-25 | 2019-09-24 | 快意电梯股份有限公司 | Elevator car slipping rescues automatic detection device and detection method |
| CN113048873B (en) * | 2021-03-11 | 2023-08-01 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | Reverse arch testing device for assembled prefabricated part |
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| CN2166110Y (en) * | 1992-05-27 | 1994-05-25 | 深圳科用开发有限公司 | Computerized layer-storing device |
| CN101823657A (en) * | 2010-04-30 | 2010-09-08 | 曼斯顿电梯(浙江)有限公司 | Dynamic simulating device for debugging and detecting elevator |
| CN102556784A (en) * | 2011-12-30 | 2012-07-11 | 日立电梯(上海)有限公司 | Elevator brake control device and control method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4901446B2 (en) * | 2006-12-13 | 2012-03-21 | 株式会社日立製作所 | Elevator control system |
| CN102997830A (en) * | 2012-10-15 | 2013-03-27 | 蒂森克虏伯机场***(中山)有限公司 | Synchronous grid detecting device of boarding bridge lifting mechanism |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2166110Y (en) * | 1992-05-27 | 1994-05-25 | 深圳科用开发有限公司 | Computerized layer-storing device |
| CN101823657A (en) * | 2010-04-30 | 2010-09-08 | 曼斯顿电梯(浙江)有限公司 | Dynamic simulating device for debugging and detecting elevator |
| CN102556784A (en) * | 2011-12-30 | 2012-07-11 | 日立电梯(上海)有限公司 | Elevator brake control device and control method thereof |
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Address after: Nanxiang three road, Science City high tech Industrial Development Zone, Guangzhou city of Guangdong Province, No. 2 510660 Patentee after: Hitachi building technologies (Guangzhou) Co. Ltd. Address before: Nanxiang Road three Guangzhou Science City 510660 high tech Industrial Development Zone, Guangdong city of Guangzhou province No. 2 Patentee before: Guangzhou Ropente Science and Technology Development Co., Ltd. |
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