CN205328403U - Device for preventing accidental movement of elevator cage - Google Patents
Device for preventing accidental movement of elevator cage Download PDFInfo
- Publication number
- CN205328403U CN205328403U CN201620030224.1U CN201620030224U CN205328403U CN 205328403 U CN205328403 U CN 205328403U CN 201620030224 U CN201620030224 U CN 201620030224U CN 205328403 U CN205328403 U CN 205328403U
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- door lock
- safety relay
- elevator
- lock safety
- car door
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Abstract
The utility model discloses a device for preventing accidental movement of elevator cage, including sedan -chair lock safety relay, room lock safety relay, displacement detection sensor and clamp rope ware, sedan -chair lock safety relay establishes ties with sedan -chair lock return circuit, room lock safety relay establishes ties with room lock return circuit, sensor settings is on the sedan -chair top of elevator in the displacement detection, and this displacement detects sensor by sedan -chair lock safety relay's normally closed contact, room lock safety relay's the continuous return circuit power supply of constituteing of normally closed contact, when the state that opens the door of elevator flat bed, the displacement detects the intermediate position that the sensor detected magnet vane to output signal drive displacement detects the safety relay action, press from both sides the setting of rope ware and on the wire rope of elevator, press from both sides rope ware power by one and drive, it links to each other to press from both sides a rope ware power and a trigger circuit. The device of the utility model is simple in structure, convenient to use, commonality are strong, can wide application installing additional in various elevator equipment.
Description
Technical field
This utility model relates to the safety device of a kind of lift car, especially a kind of device preventing accidental movement of elevator cage, belongs to elevator safety field。
Background technology
In recent years, the event of hurting sb.'s feelings caused because of accidental movement of elevator cage occurs repeatedly, it is breakneck that elevator issues raw accidental movement in flat bed region door opening state, if passenger is preparing elevator generation accidental movement before car of entering into, it is easy to cause passenger to be clipped between car and hall door to cause and suffocate。
Development along with elevator technology; safeguard protection gets more and more, if elevator hall door or gate in form process are opened, elevator all can stop ladder at once; if but in flat bed region; driving host is stopped driving by control system, band-type brake catalyst, runs catalyst and all discharges; control system can judge that elevator stops; driving door mechanism system to open car door and gate subsequently, if now due to band-type brake abrasion or unexpected inefficacy, car will produce displacement under counterweight or car are conducted oneself with dignity。The limiter of speed of elevator also can drive safety tongs action when elevator speed lost efficacy, but the minimum movements of the action of limiter of speed adjustment is 1.05 times of rated speed of lift, elevator is under the effect without motor driving force, 1.05 times of normal speed are accelerated to from 0 speed, create bigger displacement, now hall door and gate stay open down, no matter that car is inside and outside, and the passenger of car of still entering into exists very big risk。
Chinese Patent Application No. is 201310749155.0, publication number is the application for a patent for invention of CN103754726A, disclose a kind of device preventing accidental movement of elevator cage, the controller comprising order circuit and logical circuit, the limiter of speed including steel cable clamp and encoder, controller is by checking the encoder pulse of limiter of speed, and carry out data communication to judge whether elevator accidental movement occurs with master control borad, thus driving rope brake action, trigger bidirectional safety tongs stop car。But there is problems with in this technical scheme, the communication data of the elevator control panel of different Elevator Factories is different, program poor universality, the transformation being not particularly suited for current all elevators to come into operation is installed additional, and need also to need additionally to increase logic control panel and the limiter of speed comprising rotary encoder, with high costs。
Utility model content
The purpose of this utility model is the defect in order to solve above-mentioned prior art, it is provided that a kind of device preventing accidental movement of elevator cage, and this apparatus structure is simple, easy to use, highly versatile, can be widely used in installing additional of various lift facility。
The purpose of this utility model can be passed through to adopt the following technical scheme that and reach:
A kind of device preventing accidental movement of elevator cage, including car door lock safety relay, hall door lock safety relay, displacement detecting sensor and rope brake；
Described car door lock safety relay and car door lock circuit in series, described hall door lock safety relay is connected with hall door lock loop；
Described displacement detecting sensor is arranged on the sedan-chair top of elevator, and between the upper level transducer and lower level transducer of elevator, the loop power supply that this displacement detecting sensor is connected to form by the normally-closed contact of the normally-closed contact of car door lock safety relay, hall door lock safety relay；When the door opening state of Elevator landing, the centre position of described displacement detecting sensor detection magnetic isolation plate, and export the detection safety relay action of signal drive displacement；
Described rope brake is arranged on the steel wire rope of elevator, by a rope brake power drives, described rope brake power supply and one triggers circuit and is connected, and described triggering circuit is made up of governor switch, the auxiliary contact of band-type brake catalyst, the normally opened contact of displacement detecting safety relay, the normally opened contact of car door lock safety relay and the normally opened contact of hall door lock safety relay。
As a kind of preferred version, described car door lock loop is composed in series by front car door lock and the rear car door lock of elevator, and described hall door lock loop is composed in series by all of hall door lock of elevator。
As a kind of preferred version, in described triggering circuit, the normally opened contact of the normally opened contact of described car door lock safety relay and hall door lock safety relay is composed in series a loop, the loop of the normally opened contact composition of the normally opened contact of car door lock safety relay and hall door lock safety relay is in parallel with the normally opened contact of the auxiliary contact of band-type brake catalyst, displacement detecting safety relay, connects with governor switch after parallel connection。
As a kind of preferred version, described upper level transducer and lower level transducer are arranged on a sensor stand, this sensor stand is provided with perforate on the position between upper level transducer and lower level transducer, and described displacement detecting sensor is arranged on sensor stand by this perforate。
As a kind of preferred version, the sedan-chair top of described elevator is provided with a fixed support, and described displacement detecting sensor is arranged on this fixed support。
It is arranged in the control panel of elevator(lift) machine room as a kind of preferred version, described car door lock safety relay and hall door lock safety relay。
As a kind of preferred version, described displacement detecting sensor is Hall element, ultrasonic sensor, infrared ray sensor or diffuse-reflectance sensor。
The relay of DC driven it is as a kind of preferred version, described car door lock safety relay and hall door lock safety relay。
Lock safety relay as a kind of preferred version, described car door lock safety relay and hall door and be the relay exchanging driving。
As a kind of preferred version, the length of described magnetic isolation plate is 250mm。
This utility model has following beneficial effect relative to prior art:
1, this utility model device auxiliary contact by installing on band-type brake catalyst, it is judged that whether apparatus for controlling elevator has discharged band-type brake, car door lock safety relay and hall door lock safety relay are powered by car door lock loop and hall door lock loop respectively simultaneously；When band-type brake catalyst discharges, and when the lock safety relay release of car door lock safety relay, hall door, drive displacement detection sensor obtains electric, by detecting magnetic isolation plate, displacement detecting sensor judges whether elevator accidental movement occurs, if when flat bed region position sensor signal is lost, then drive rope brake action, timely stop elevator car。
2, this utility model device is independently of the inspection device of elevator master control system, it is not necessary to additionally increase logic control panel, rotary encoder, highly versatile, energy extensive use is installed additional with various lift facilities, and the time of especially coming into operation is long, the lift facility of transformation difficulty。
Accompanying drawing explanation
Fig. 1 is the device schematic layout pattern preventing accidental movement of elevator cage of this utility model embodiment 1。
Fig. 2 is hall door lock safety relay and the line schematic diagram of car door lock safety relay of this utility model embodiment 1。
Fig. 3 is the wiring schematic diagram of the displacement detecting sensor of this utility model embodiment 1。
Fig. 4 is the wiring schematic diagram of the rope brake power supply of this utility model embodiment 1。
Wherein, 1-car, 2-hall door, 3-machine room, 4-steel wire rope, 5-magnetic isolation plate, 6-is to pouring weight, 7-gate, 8-sedan-chair top, at the bottom of 9-sedan-chair, the upper level transducer of 10-, level transducer under 11-, 12-car door lock safety relay, 13-hall door lock safety relay, 14-displacement detecting sensor, 15-rope brake, 16-control panel, car door lock before 17-, car door lock after 18-, 19-hall door is locked, 20-displacement detecting safety relay, 21-governor switch, 22-band-type brake catalyst。
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, this utility model is described in further detail, but embodiment of the present utility model is not limited to this。
Embodiment 1:
As it is shown in figure 1, the elevator of the present embodiment includes car 1, hall door 2, machine room 3, steel wire rope 4, magnetic isolation plate 5 and to pouring weight 6, described car 1 includes at the bottom of gate 7, sedan-chair top 8 and sedan-chair 9, and described sedan-chair top 8 is provided with level transducer 10 and lower level transducer 11；Described magnetic isolation plate 5 is used for judging floor signal；Described upper level transducer 10 is arranged on a sensor stand with lower level transducer 11, is used for detecting whether elevator is in level position, and described sensor stand is provided with perforate on the position between upper level transducer 10 and lower level transducer 11；
As shown in Figure 1 to 4, the device preventing accidental movement of elevator cage of the present embodiment includes car door lock safety relay 12, hall door lock safety relay 13, displacement detecting sensor 14 and rope brake 15；Described car door lock safety relay 12 and hall door lock safety relay 13 are arranged in the control panel 16 of machine room 3；Described displacement detecting sensor 14 is arranged on sedan-chair top 8, and between upper level transducer 10 and lower level transducer 11, in the present embodiment, displacement detecting sensor 14 is arranged on sensor stand by perforate；Described rope brake 15 is arranged on steel wire rope 4, by a rope brake power drives；
As shown in Figure 2, car door lock loop and hall door lock loop can be monitored by elevator master control system, judge whether car door lock and hall door lock are in closure state, described car door lock loop is composed in series by front car door lock 17 and the rear car door lock 18 of elevator, and described hall door lock loop is composed in series by all of hall door lock 19 of elevator；Described car door lock safety relay 12 and car door lock circuit in series, the power supply of car door lock safety relay 12 is driven by car door lock loop, and when gate 7 closes, car door lock safety relay 12 obtains electric, when gate 7 is closed, car door lock safety relay 12 dead electricity；In like manner, hall door lock safety relay 13 is connected with hall door lock loop, and the power supply of hall door lock safety relay 13 is driven by hall door lock loop, and when hall door 2 closes, hall door lock safety relay 13 obtains electric, when hall door 2 is opened, and hall door lock safety relay 13 dead electricity；So, when elevator is in flat bed region, gate 7 and hall door 2 are opened simultaneously, and car door lock safety relay 12 and hall door lock safety relay 13 are in power failure state；Wherein, described car door lock safety relay 12 and hall door lock safety relay 13 are the relay of DC driven；
As it is shown on figure 3, the loop power supply that displacement detecting sensor 14 is connected to form by the normally-closed contact of the normally-closed contact of car door lock safety relay 12, hall door lock safety relay 13；When gate 7 and hall door 2 are closed, gate safety relay 12 and hall door lock safety relay 13 obtain electric, and their normally-closed contact disconnects, displacement detecting sensor 14 dead electricity；When gate 7 and hall door 2 are in open mode, gate safety relay 12 and hall door lock safety relay 13 dead electricity, the loop power supply that displacement detecting sensor 14 is made up of the normally-closed contact of car door lock safety relay 12 and the normally-closed contact of hall door lock safety relay 13, now displacement detecting sensor 14 detects the centre position of magnetic isolation plate 5, and exports detection safety relay 20 action of signal drive displacement；Magnetic isolation plate 5 length of the present embodiment is about 250mm, so when elevator produces displacement up or down more than 125mm under door opening state, displacement detecting sensor 14 will can't detect magnetic isolation plate 5, thus stop signal output, displacement detecting safety relay 20 dead electricity, thus triggering rope brake power supply action, rope brake 15 is driven to make a bidirectional safety tongs execution action, in order to stop car 1 in time；Wherein, described displacement detecting sensor 14 is Hall element, ultrasonic sensor, infrared ray sensor or diffuse-reflectance sensor；
As shown in Figure 4, described rope brake power supply and one triggers circuit and is connected, and described triggering circuit is made up of governor switch 21, the auxiliary contact of band-type brake catalyst 22, the normally opened contact of displacement detecting safety relay 20, the normally opened contact of car door lock safety relay 12 and the normally opened contact of hall door lock safety relay 13；In triggering circuit, the normally opened contact of the normally opened contact of described car door lock safety relay 12 and hall door lock safety relay 13 is composed in series a loop, the loop of the normally opened contact composition of the normally opened contact of car door lock safety relay 12 and hall door lock safety relay 13 is in parallel with the normally opened contact of the auxiliary contact of band-type brake catalyst 22, displacement detecting safety relay 20, connects with governor switch 21 after parallel connection；
When elevator is in overspeed condition, governor switch 21 can trigger limiter of speed action；
When elevator is in running status, the auxiliary contact adhesive of band-type brake catalyst 22, the loop adhesive of the normally opened contact composition of the normally opened contact of car door lock safety relay 12 and hall door lock safety relay 13, displacement detecting safety relay 20 is failure to actuate, and its normally opened contact maintains off-state；
When Elevator landing stops ladder, and when being in non-door opening state, the auxiliary contact of band-type brake catalyst 22 disconnect, the loop of the normally opened contact composition of the normally opened contact of car door lock safety relay 12 and hall door lock safety relay 13 maintains attracting state, displacement detecting safety relay 20 is failure to actuate, and its normally opened contact maintains off-state；
When Elevator landing stops ladder, and when being in door opening state, if not occurring accidental movement (not produce displacement, upwards produce displacement not less than 125mm, or produce downwards displacement not less than 125mm), then the auxiliary contact of band-type brake catalyst 22 maintain off-state, and the loop of the normally opened contact composition of the normally opened contact of car door lock safety relay 12 and hall door lock safety relay 13 disconnects, displacement detecting safety relay 20 action, its normally opened contact adhesive；
When Elevator landing stops ladder, and when being in door opening state, if it occur that accidental movement (producing displacement up or down more than 125mm), then the auxiliary contact of band-type brake catalyst 22 maintain off-state, the loop of the normally opened contact composition of the normally opened contact of car door lock safety relay 12 and hall door lock safety relay 13 maintains off-state, the normally opened contact of displacement detecting safety relay 20 disconnects, trigger rope brake power supply action, rope brake 15 is driven to make a bidirectional safety tongs execution action, in order to stop car 1 in time。
Embodiment 2:
Being mainly characterized by of the present embodiment: described car door lock safety relay 12 is locked safety relay 13 with hall door and is the relay exchanging driving。All the other are with embodiment 1。
Embodiment 3:
Being mainly characterized by of the present embodiment: described sedan-chair top 8 is provided with a fixed support, and described displacement detecting sensor 14 is arranged on this fixed support。All the other are with embodiment 1。
In sum, this utility model device auxiliary contact by installing on band-type brake catalyst, it is judged that whether apparatus for controlling elevator has discharged band-type brake, car door lock safety relay and hall door lock safety relay are powered by car door lock loop and hall door lock loop respectively simultaneously；When band-type brake catalyst discharges, and when the lock safety relay release of car door lock safety relay, hall door, drive displacement detection sensor obtains electric, by detecting magnetic isolation plate, displacement detecting sensor judges whether elevator accidental movement occurs, if when flat bed region position sensor signal is lost, then drive rope brake action, timely stop elevator car。
The above; it is only this utility model patent preferred embodiment; but the protection domain of this utility model patent is not limited thereto; any those familiar with the art is in the scope disclosed in this utility model patent; technical scheme and utility model design thereof according to this utility model patent are equal to replacement or are changed, and broadly fall into the protection domain of this utility model patent。
Claims (10)
1. the device preventing accidental movement of elevator cage, it is characterised in that: include car door lock safety relay, hall door lock safety relay, displacement detecting sensor and rope brake；
Described car door lock safety relay and car door lock circuit in series, described hall door lock safety relay is connected with hall door lock loop；
Described displacement detecting sensor is arranged on the sedan-chair top of elevator, and between the upper level transducer and lower level transducer of elevator, the loop power supply that this displacement detecting sensor is connected to form by the normally-closed contact of the normally-closed contact of car door lock safety relay, hall door lock safety relay；When the door opening state of Elevator landing, the centre position of described displacement detecting sensor detection magnetic isolation plate, and export the detection safety relay action of signal drive displacement；
Described rope brake is arranged on the steel wire rope of elevator, by a rope brake power drives, described rope brake power supply and one triggers circuit and is connected, and described triggering circuit is made up of governor switch, the auxiliary contact of band-type brake catalyst, the normally opened contact of displacement detecting safety relay, the normally opened contact of car door lock safety relay and the normally opened contact of hall door lock safety relay。
2. a kind of device preventing accidental movement of elevator cage according to claim 1, it is characterised in that: described car door lock loop is composed in series by front car door lock and the rear car door lock of elevator, and described hall door lock loop is composed in series by all of hall door lock of elevator。
3. a kind of device preventing accidental movement of elevator cage according to claim 1, it is characterized in that: in described triggering circuit, the normally opened contact of the normally opened contact of described car door lock safety relay and hall door lock safety relay is composed in series a loop, the loop of the normally opened contact composition of the normally opened contact of car door lock safety relay and hall door lock safety relay is in parallel with the normally opened contact of the auxiliary contact of band-type brake catalyst, displacement detecting safety relay, connects with governor switch after parallel connection。
4. a kind of device preventing accidental movement of elevator cage according to claim 1, it is characterized in that: described upper level transducer and lower level transducer are arranged on a sensor stand, this sensor stand is provided with perforate on the position between upper level transducer and lower level transducer, and described displacement detecting sensor is arranged on sensor stand by this perforate。
5. a kind of device preventing accidental movement of elevator cage according to claim 1, it is characterised in that: the sedan-chair top of described elevator is provided with a fixed support, and described displacement detecting sensor is arranged on this fixed support。
6. a kind of device preventing accidental movement of elevator cage according to claim 1, it is characterised in that: described car door lock safety relay and hall door lock safety relay are arranged in the control panel of elevator(lift) machine room。
7. a kind of device preventing accidental movement of elevator cage according to any one of claim 1-6, it is characterised in that: described displacement detecting sensor is Hall element, ultrasonic sensor, infrared ray sensor or diffuse-reflectance sensor。
8. a kind of device preventing accidental movement of elevator cage according to any one of claim 1-6, it is characterised in that: described car door lock safety relay and hall door lock safety relay are the relay of DC driven。
9. a kind of device preventing accidental movement of elevator cage according to any one of claim 1-6, it is characterised in that: described car door lock safety relay is locked safety relay with hall door and is the relay exchanging driving。
10. a kind of device preventing accidental movement of elevator cage according to any one of claim 1-6, it is characterised in that: the length of described magnetic isolation plate is 250mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620030224.1U CN205328403U (en) | 2016-01-12 | 2016-01-12 | Device for preventing accidental movement of elevator cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620030224.1U CN205328403U (en) | 2016-01-12 | 2016-01-12 | Device for preventing accidental movement of elevator cage |
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| CN205328403U true CN205328403U (en) | 2016-06-22 |
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| CN201620030224.1U Active CN205328403U (en) | 2016-01-12 | 2016-01-12 | Device for preventing accidental movement of elevator cage |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106081783A (en) * | 2016-08-30 | 2016-11-09 | 常熟市佳能电梯配件有限公司 | A kind of electromagnetic brake preventing accidental movement of elevator cage and braking method |
| CN106672735A (en) * | 2017-02-22 | 2017-05-17 | 西继迅达（许昌）电梯有限公司 | Accidental movement protecting device for elevator |
| CN106744141A (en) * | 2017-01-23 | 2017-05-31 | 菱王电梯股份有限公司 | Prevent elevator accidental movement embraces rope device control circuit |
| CN106966248A (en) * | 2017-04-25 | 2017-07-21 | 快意电梯股份有限公司 | Car accidental movement monitoring device, method and its protection device and method |
| CN107337047A (en) * | 2017-07-25 | 2017-11-10 | 江南嘉捷电梯股份有限公司 | A kind of warning device of elevator cab door abnormal start-up |
| CN107720477A (en) * | 2016-08-12 | 2018-02-23 | 康力电梯股份有限公司 | A kind of door-opened elevator car slipping protection device |
| CN109573759A (en) * | 2018-12-19 | 2019-04-05 | 广州广日电梯工业有限公司 | The extended detection of wirerope and means for correcting and method in running process of elevator |
| CN110395636A (en) * | 2019-08-01 | 2019-11-01 | 杭州岁丰信息技术有限公司 | One kind measuring elevator floor device by laser barcode scanning |
| CN110451390A (en) * | 2019-08-16 | 2019-11-15 | 湖北电梯厂 | A kind of mine lift control system containing electromagnetic door lock and method |
| CN111453581A (en) * | 2020-05-21 | 2020-07-28 | 上海市特种设备监督检验技术研究院 | Early warning system and method for preventing falling into elevator shaft |
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2016
- 2016-01-12 CN CN201620030224.1U patent/CN205328403U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107720477A (en) * | 2016-08-12 | 2018-02-23 | 康力电梯股份有限公司 | A kind of door-opened elevator car slipping protection device |
| CN106081783B (en) * | 2016-08-30 | 2018-10-02 | 常熟市佳能电梯配件有限公司 | A kind of electromagnetic brake and braking method preventing accidental movement of elevator cage |
| CN106081783A (en) * | 2016-08-30 | 2016-11-09 | 常熟市佳能电梯配件有限公司 | A kind of electromagnetic brake preventing accidental movement of elevator cage and braking method |
| CN106744141A (en) * | 2017-01-23 | 2017-05-31 | 菱王电梯股份有限公司 | Prevent elevator accidental movement embraces rope device control circuit |
| CN106672735A (en) * | 2017-02-22 | 2017-05-17 | 西继迅达（许昌）电梯有限公司 | Accidental movement protecting device for elevator |
| CN106672735B (en) * | 2017-02-22 | 2019-05-17 | 西继迅达（许昌）电梯有限公司 | A kind of elevator accidental movement protective device |
| CN106966248A (en) * | 2017-04-25 | 2017-07-21 | 快意电梯股份有限公司 | Car accidental movement monitoring device, method and its protection device and method |
| CN107337047A (en) * | 2017-07-25 | 2017-11-10 | 江南嘉捷电梯股份有限公司 | A kind of warning device of elevator cab door abnormal start-up |
| CN107337047B (en) * | 2017-07-25 | 2023-10-27 | 苏州江南嘉捷电梯有限公司 | Alarm device for abnormal opening of elevator car door |
| CN109573759A (en) * | 2018-12-19 | 2019-04-05 | 广州广日电梯工业有限公司 | The extended detection of wirerope and means for correcting and method in running process of elevator |
| CN110395636A (en) * | 2019-08-01 | 2019-11-01 | 杭州岁丰信息技术有限公司 | One kind measuring elevator floor device by laser barcode scanning |
| CN110451390A (en) * | 2019-08-16 | 2019-11-15 | 湖北电梯厂 | A kind of mine lift control system containing electromagnetic door lock and method |
| CN111453581A (en) * | 2020-05-21 | 2020-07-28 | 上海市特种设备监督检验技术研究院 | Early warning system and method for preventing falling into elevator shaft |
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