CN103253576A - Elevator car speed monitoring system - Google Patents
Elevator car speed monitoring system Download PDFInfo
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- CN103253576A CN103253576A CN2013101570101A CN201310157010A CN103253576A CN 103253576 A CN103253576 A CN 103253576A CN 2013101570101 A CN2013101570101 A CN 2013101570101A CN 201310157010 A CN201310157010 A CN 201310157010A CN 103253576 A CN103253576 A CN 103253576A
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Abstract
The invention provides an elevator car speed monitoring system. The elevator car speed monitoring system comprises an elevator control board. The elevator car speed monitoring system further comprises a magnetic grid ruler. The magnetic grid ruler comprises a grid ruler, a magnetic grid sensor and a control box. The grid ruler of the magnetic grid ruler is vertically hung in an elevator well from the top portion of the well. The magnetic grid sensor is fixed on the outer wall of an elevator car, connected to the elevator control board through the control box and used for sending a collected first speed value of the elevator car to the elevator control board through the control box. The elevator control board is used for receiving the first speed value and conducting speed monitoring on the elevator car according to the first speed value. The elevator car speed monitoring system can accurately detect the actual speed of the elevator car, and is very high in safety and reliability.
Description
Technical field
The present invention relates to the elevator control technology field, particularly relate to a kind of elevator car speed monitored control system.
Background technology
The operation of elevator is to be rotated according to velocity curve control motor default in the apparatus for controlling elevator by frequency converter, thereby adjusts the running velocity of car.
The control rate in elevator arbitrary moment in service can be acquired from the pulse coder on the motor shaft by frequency converter, the real-world operation speed of elevator monitored to collect accurate velocity amplitude, traditional elevator car speed monitoring all is to adopt the technology that coder is installed at velocity limiter, this technology can't directly be obtained the actual speed of car, but obtain the speed of car indirectly by the speed of measuring steel wire rope, owing to occur the steel rope problem of slip during elevator operation often, the control rate value error of the car real-world operation velocity amplitude that collects and frequency converter is bigger, and the safe operation of elevator is had considerable influence.
Summary of the invention
Based on this, the invention provides a kind of elevator car speed monitored control system, can accurately detect the actual speed of car, safety and reliability are very high.
A kind of elevator car speed monitored control system comprises elevator control panel, wherein, 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 hung vertically in the elevator hoistways from the hoistway top, described magnetic induction sensor is fixed on the car outer wall, and be connected to elevator control panel by control capsule, first velocity amplitude that is used for the described lift car that will collect is sent to described elevator control panel by control capsule;
Described elevator control panel is used for receiving described first velocity amplitude and by described first velocity amplitude described lift car is carried out speed monitoring.
Above-mentioned elevator car speed monitored control system, the grid chi of magnetic railings ruler is hung vertically in from the hoistway top that magnetic induction sensor is fixed on the car outer wall in the elevator hoistways, magnetic induction sensor moves with cage operation, magnetic induction sensor collects the values for actual speed of car by the grid chi, be connected to elevator control panel by control capsule, values for actual speed when therefore elevator control panel can accurately collect 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 of system and reliability are very high.
Description of drawings
Fig. 1 is elevator car speed monitored control system of the present invention structural representation in one embodiment.
The specific embodiment
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 hung vertically in the elevator hoistways from the hoistway top, described magnetic induction sensor 112 is fixed on the car outer wall, and be connected to elevator control panel 12 by control capsule 113, first velocity amplitude that is used for the described lift car that will collect is sent to described elevator control panel 12 by control capsule 113;
Described elevator control panel 12 is used for receiving described first velocity amplitude and by described first velocity amplitude described lift car is carried out speed monitoring;
In the present embodiment, grid chi 111 is hung vertically in the elevator hoistways from the hoistway top, magnetic induction sensor 112 is fixed on the car outer wall, when car movement, magnetic induction sensor 112 is with car movement, through grid chi 111, so magnetic railings ruler 11 can accurately collect the values for actual speed of car, is above-mentioned first velocity amplitude during magnetic induction sensor 112 motion; Magnetic induction sensor 112 is connected to elevator control panel 12 by control capsule 113, and the real-time speed value of the car that collects is sent to elevator control panel 12; After elevator control panel 12 receives first velocity amplitude of car, can carry out a series of speed monitoring to lift car by this first velocity amplitude.
In a preferred embodiment, described elevator control panel 12 also is used for:
By being installed in the second speed value that coder on the motor shaft obtains lift car;
With described first velocity amplitude and second speed value with compare, if both differences surpass the error limit of setting, then send the ramp to stop instruction;
In the present embodiment, described elevator control panel 12 can read first velocity amplitude of lift car in real time, simultaneously, during elevator cage operation, control desk can be preset with velocity curve, control desk control motor rotation, drive lift car according to default velocity curve motion, coder is installed on the motor shaft, and this coder is also gathered the second speed value of lift car in real time, i.e. velocity amplitude in the velocity curve of presetting in the above-mentioned control desk;
Elevator control panel compares first velocity amplitude and second speed value in real time, and described lift car is carried out speed monitoring; When both differences surpass the error limit of setting, be higher than the second speed value that control desk is controlled such as first velocity amplitude, and this difference need be sent the ramp to stop instruction above default error amount.This error limit can be adjusted flexibly by the function code of frequency converter, can adapt to different terraced speed and field condition, significantly improves reliability and the comformability of system.
In a preferred embodiment, described elevator control panel 12 also can be used for:
When elevator cage operation during to default end station location, if described first velocity amplitude that receives, then sends the ramp to stop instruction greater than default normal retardation curve speed, the control lift car slows down according to default special deceleration/decel;
Set the location parameter at a distance end station simultaneously, in this position range, if lift car first velocity amplitude that control desk gets access to is still greater than the speed of default special retardation curve, and the lift car second speed value that gets access to by the coder that is installed on the motor shaft is greater than default safety speed threshold value, then disconnect safety return circuit, the described lift car of the control urgent stop of drg band-type brake.
In the present embodiment, by setting normal deceleration/decel and the special deceleration/decel of elevator, control desk is drawn elevator in theory according to the retardation curve of special deceleration/decel with according to the retardation curve of normal deceleration/decel.The end station location comprises upstation position and lower end station location default in the hoistway, lift car is through default end station location, if lift car first velocity amplitude that control desk gets access to is higher than the default normal retardation curve speed in this position, then control desk sends the ramp to stop instruction.Lift car also continues operation after holding station location, therefore also need simultaneously the location parameter at setpoint distance upstation and station, lower end respectively, in the position from the end station location to setting, in this position range, if lift car first velocity amplitude that control desk gets access to is still greater than the speed of special retardation curve, and the lift car second speed value that gets access to by the coder that is installed on the motor shaft is greater than default safety speed threshold value, then control desk disconnects safety return circuit, the urgent stop elevator car of control drg newspaper lock.
In a preferred embodiment, described elevator control panel 12 also can be used for:
When first velocity amplitude of the described lift car that gets access to greater than specified elevator speed 110% the time, send and force the ramp to stop instruction, control that described lift car slows down according to default special deceleration/decel and out of service;
In the present embodiment, lift car is in operational process, gather in real time first velocity amplitude, when first velocity amplitude greater than specified elevator speed 110% the time, represent current elevator speed hypervelocity, elevator speed occurs unusual, need carry out lift car and force ramp to stop, the control car is pressed default special deceleration/decel deceleration, and stops its operation, can effectively prevent the elevator interruption of service, make things convenient for checkout facility.
In a preferred embodiment, described magnetic induction sensor 112 is connected by the CAN bus with described control capsule 113, described control capsule 113 is connected by the CAN bus with described elevator control panel 12, can transmit the data of magnetic railings ruler 11 collections and the various control commands of transmission elevator control panel 12 rapidly by the CAN communication.
In a preferred embodiment, grid chi 111 bottoms of described magnetic railings ruler 11 also are equipped with anti-sway device, can prevent that the magnetic scale that hangs from arbitrarily waving uncontrollably.
In a preferred embodiment, described control capsule 113 is installed in car top.
Elevator car speed monitored control system of the present invention, the grid chi of magnetic railings ruler is hung vertically in from the hoistway top that magnetic induction sensor is fixed on the car outer wall in the elevator hoistways, magnetic induction sensor moves with cage operation, magnetic induction sensor collects the values for actual speed of car by the grid chi, be connected to elevator control panel by control capsule, values for actual speed when therefore elevator control panel can accurately collect 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 of system and reliability are very high.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.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 (8)
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 hung vertically in the elevator hoistways from the hoistway top, described magnetic induction sensor is fixed on the car outer wall, and be connected to elevator control panel by control capsule, first velocity amplitude that is used for the described lift car that will collect is sent to described elevator control panel by control capsule;
Described elevator control panel is used for receiving described first velocity amplitude and by described first velocity amplitude described lift car is carried out speed monitoring.
2. elevator car speed monitored control system according to claim 1 is characterized in that, described elevator control panel also is used for:
By being installed in the second speed value that coder on the motor shaft obtains lift car;
With described first velocity amplitude and second speed value with compare, if both differences surpass the error limit of setting, then send the ramp to stop instruction.
3. elevator car speed monitored control system according to claim 1 is characterized in that, described elevator control panel also is used for:
When elevator cage operation during to default end station location, if described first velocity amplitude that receives, then sends the ramp to stop instruction greater than default normal retardation curve speed, the control lift car slows down according to default special deceleration/decel;
Set the location parameter at a distance end station simultaneously, in this position range, if the lift car that gets access to first velocity amplitude is still greater than the speed of default special retardation curve, and the lift car second speed value that gets access to by the coder that is installed on the motor shaft is greater than default safety speed threshold value, then disconnect safety return circuit, the described lift car of the control urgent stop of drg band-type brake.
4. elevator car speed monitored control system according to claim 1 is characterized in that, described elevator control panel also is used for:
When first velocity amplitude of the described lift car that gets access to greater than specified elevator speed 110% the time, send and force the ramp to stop instruction, control that described lift car slows down according to described default special deceleration/decel and out of service.
5. elevator car speed control system according to claim 1 is characterized in that, described magnetic induction sensor is connected by the CAN bus with described control capsule, and described control capsule is connected by the CAN bus with described elevator control panel.
6. elevator car speed control system according to claim 1 is characterized in that, also comprise be arranged at elevator pit subtract the stroke energy disperser.
7. elevator car speed control system according to claim 1 is characterized in that, the grid chi bottom of described magnetic railings ruler also is equipped with anti-sway device.
8. elevator car speed control system according to claim 1 is characterized in that, described control capsule is installed in car top.
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CN201310157010.1A CN103253576B (en) | 2013-04-28 | 2013-04-28 | Elevator car speed monitored control system |
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CN103253576B CN103253576B (en) | 2016-04-20 |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103538982A (en) * | 2013-11-01 | 2014-01-29 | 苏州德奥电梯有限公司 | Elevator 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 |
CN109019232A (en) * | 2018-09-07 | 2018-12-18 | 江苏蒙哥马利电梯有限公司 | A kind of express elevator can decelerating electron safety tongs system and method |
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 |
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 |
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 |
CN113048873A (en) * | 2021-03-11 | 2021-06-29 | 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) | Assembled is anti-arch testing arrangement for prefabricated component |
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CN102997830A (en) * | 2012-10-15 | 2013-03-27 | 蒂森克虏伯机场系统(中山)有限公司 | Synchronous grid detecting device of boarding bridge lifting mechanism |
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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 |
JP2008143683A (en) * | 2006-12-13 | 2008-06-26 | Hitachi Ltd | Elevator control system |
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 |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103538982A (en) * | 2013-11-01 | 2014-01-29 | 苏州德奥电梯有限公司 | Elevator 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 |
CN109019232A (en) * | 2018-09-07 | 2018-12-18 | 江苏蒙哥马利电梯有限公司 | A kind of express elevator can decelerating electron safety tongs system and method |
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 |
CN113048873A (en) * | 2021-03-11 | 2021-06-29 | 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) | Assembled is anti-arch testing arrangement for prefabricated component |
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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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. |