CN212245786U - Elevator terminal detection protection device - Google Patents
Elevator terminal detection protection device Download PDFInfo
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- CN212245786U CN212245786U CN202021541626.0U CN202021541626U CN212245786U CN 212245786 U CN212245786 U CN 212245786U CN 202021541626 U CN202021541626 U CN 202021541626U CN 212245786 U CN212245786 U CN 212245786U
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Abstract
The utility model provides an elevator terminal detection protection device, which comprises a photoinduction module, a deceleration induction plate, a braking induction plate and a controller, wherein the photoinduction module is used for being installed on an elevator car; the deceleration induction plate and the stopping induction plate are both arranged on the wall of the elevator shaft or on the elevator guide rail; light sensing module and controller signal connection realize that light sensing module will send the sensing signal that obtains through speed reduction tablet and braking tablet to the controller to detect and safety protection slow down elevator car. The utility model discloses can effectively detect the elevator and move the state to the terminal to realize the safety berth protection, solved the elevator and moved the terminal overspeed safety protection problem out of control, thereby improve security and the reliability that the elevator used.
Description
Technical Field
The utility model relates to an elevator safety technical field, more specifically say, relate to an elevator terminal detects protection device.
Background
Along with the improvement of the quality of life, elevators play an important role in the life of people, and the safe operation of the elevators is also gradually valued by the masses. There are various elevator detection technologies, wherein elevator terminal detection is an important detection item, but nowadays, elevator detection technologies still have much development space, and detection technologies are still imperfect.
The existing elevator terminal detection device is mainly installed on an elevator shaft, and detects whether the elevator runs to a position of terminal forced deceleration through the contact of a collision bow of an elevator car and a contact switch installed at a set position of a shaft terminal. The elevator terminal detection device needs to be installed at two terminals of a hoistway, wiring and wiring are complex, and the device only has detection function. There are a variety of detection methods in the existing market: a magnetic inductor is arranged on the lift car and used as a terminal deceleration point for detection, but the magnetic inductor can not be directly used for safety protection; and a magnetic grid ruler is also used for carrying out terminal detection and safety protection, but the cost is higher, a magnetic steel belt for measurement needs to be installed in the whole hoistway, the installation is complex, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and shortcomings in the prior art and provide an elevator terminal detection protection device; the utility model can effectively detect the state of the elevator running to the terminal, realize safe parking protection, and solve the safety protection problem of the elevator running to the terminal out of control and overspeed, thereby greatly improving the safety and reliability of the elevator; simultaneously the utility model discloses reliable and with low costs is favorable to the elevator trade to promote comprehensively and popularize.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an elevator terminal detects protection device which characterized in that: the elevator control system comprises a light sensing module, a deceleration sensing plate, a braking sensing plate and a controller, wherein the light sensing module is used for being installed on an elevator car, the deceleration sensing plate is used as a starting point of the elevator car entering a deceleration area, the braking sensing plate is used as a starting point of the elevator car entering a braking area, and the controller is connected with an elevator control system;
the deceleration induction plate and the stopping induction plate are both arranged on the wall of the elevator shaft or on the elevator guide rail; light sensing module and controller signal connection realize that light sensing module will send the sensing signal that obtains through speed reduction tablet and braking tablet to the controller to detect and safety protection slow down elevator car.
In the above scheme, the utility model discloses a photoinduction module moves to the tablet along with elevator car to the speed reduction response signal that obtains sends elevator control system to by the controller and makes it slow down elevator car, then the tablet that slows down gets into the regional initial point of slowing down as elevator car. And the photoinduction module moves to the braking induction plate along with the elevator car, the controller can calculate the instant speed of the elevator operation according to the change of the photoinduction signal, and judge whether the elevator car is safely parked and protected or not according to the instant speed detection result, if the instant speed of the elevator is greater than a set value at the moment, the controller disconnects a safety contact connected to a safety loop of an elevator control system, the elevator car is controlled to be stopped in a terminal landing door area, and the braking induction plate is used as a starting point of the elevator car entering a braking area. The utility model discloses can effectively detect the elevator and move the state to the terminal to realize the safety berth protection, solved the elevator and moved the terminal overspeed safety protection problem out of control. In addition, the elevator terminal detection protection device is simple in structure, and has the effects of low cost and convenience in installation. When the device works, the deceleration induction plate and the stop induction plate adopt the reflecting plates, the photoinduction module adopts a product of a light induction transmitting and receiving geminate transistor in the prior art, and receives an infrared light signal reflected by the reflecting plates by transmitting a light signal with a modulation code.
The light sensing module comprises a first light sensing module and a second light sensing module; the first light sensing module and the second light sensing module are arranged in the same vertical direction and are respectively arranged at the top of the elevator car.
The first photoinduction module and the second photoinduction module are vertically separated by 40-50 mm.
The distance between the first light induction module and the second light induction module and the deceleration induction plate and the distance between the second light induction module and the stop induction plate are respectively less than or equal to 100 mm.
The deceleration induction plate comprises a top terminal deceleration induction plate and a bottom terminal deceleration induction plate; the stop induction board comprises a top layer terminal stop induction board and a bottom layer terminal stop induction board.
The top terminal stopping induction plate is positioned above a top flat layer position of a top terminal layer door area; the top terminal deceleration induction plate is positioned between the top terminal braking induction plate and a top flat position of a top terminal landing door area; or the top terminal deceleration sensing plate is positioned below the top flat position of the top terminal landing door area.
The bottom terminal stopping induction plate is positioned above a bottom flat layer position of a bottom terminal layer door area; the bottom terminal deceleration induction plate is positioned above the bottom terminal stopping induction plate.
The controller comprises a control module and a safety relay module connected with the control module; the safety contact of the safety relay module is connected in series with a safety circuit of the elevator control system; the control module is respectively connected with the light sensing module and the elevator control system to transmit the output deceleration signal to the elevator control system. The design of the safety relay module can effectively perform braking protection or limit protection on the operation of the elevator car.
The utility model also comprises a self-learning module for acquiring braking and stopping speed; the self-learning module is connected with the controller. The self-learning module can acquire parameters in the normal running process of the elevator and can be used as judgment parameters or basis in the detection and protection process of the elevator terminal.
The utility model discloses an elevator terminal detects protection device working process is such: adopt photoinduction module to install at elevator car top, set up speed reduction tablet and braking tablet (both are the reflector panel) at well or elevator guide rail. When the photoinduction module moves to the deceleration induction plate along with the elevator car, a deceleration induction signal is obtained, and the controller outputs the deceleration signal, so that the elevator control system controls the traction machine to decelerate and stop. When photoinduction module moves to the braking tablet along with elevator car, calculate the elevator and move the instant speed and come to slow down the detection to elevator car, if detect elevator car not yet slow down, then stop the protection to elevator car, the controller makes the safety contact disconnection of safety relay module, and the elevator braking is in terminal floor door zone. When the elevator car runs to the terminal leveling layer of the terminal floor door area, the elevator car is subjected to limit protection by detecting the change of the elevator door area signal, the controller enables the safety contact of the safety relay module to be disconnected, and the elevator car is stopped, so that the safety protection effect is achieved.
Compared with the prior art, the utility model has the advantages of as follows and beneficial effect: the elevator terminal detection and protection device can effectively detect the state of the elevator running to the terminal, realize safe parking protection, and solve the safety protection problem of out-of-control overspeed when the elevator runs to the terminal, thereby improving the safety and reliability of the elevator; simultaneously the utility model discloses reliable and with low costs is favorable to the elevator trade to promote comprehensively and popularize.
Drawings
Fig. 1 is a schematic diagram of the elevator terminal detection and protection device installed at the top terminal of the utility model;
fig. 2 is a schematic diagram of the elevator terminal detection protection device installed at the bottom terminal of the utility model;
fig. 3 is an electrical schematic diagram of the elevator terminal detection protection device of the present invention;
fig. 4 is a diagrammatic illustration of curves of the nominal operating speed of the elevator, the deceleration distance of the elevator car and the braking distance of the elevator car;
the elevator control system comprises an elevator car 1, a photoinduction module SSU2, a photoinduction module SSD3, a controller 4, an elevator guide rail 5, a top terminal deceleration induction plate 6, a bottom terminal deceleration induction plate 7, a top terminal stop induction plate 8, a bottom terminal stop induction plate 9, a top terminal stop induction plate 10, a top terminal landing door zone 11, a top landing position 12, a control module MCU 12, a safety relay module 13, an elevator control system 14, a power supply module 15, a self-learning module 16, a door zone signal input module 17, a bottom terminal landing door zone 18 and a bottom landing position 19.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1 to 4, the utility model discloses elevator terminal detects protection device is including being used for installing photoinduction module SSU2 and photoinduction module two SSD3 on elevator car 1, being used for getting into the regional initial point of deceleration as elevator car 1 and slowing down the tablet, being used for getting into the system that stops the tablet at regional initial point as elevator car 1 and controller 4 with elevator control system connection. The first light sensing module SSU2 and the second light sensing module SSD3 are arranged on the top of the elevator car 1 in the same vertical direction. The first light sensing module SSU2 and the second light sensing module SSD3 are vertically separated by 40-50mm, and the distance between the first light sensing module SSU2 and the second light sensing module SSD3 and the deceleration induction plate and the braking induction plate is less than or equal to 100 mm.
The utility model discloses a speed reduction tablet and system stop tablet all set up on elevator guide rail 5, and the speed reduction tablet includes top layer terminal speed reduction tablet 6 and bottom terminal speed reduction tablet 7, and the system stop tablet includes top layer terminal system stop tablet 8 and bottom terminal system stop tablet 9; wherein, top layer terminal braking tablet 8 is located above top layer flat position 11 of top layer terminal layer door zone 10, and top layer terminal deceleration tablet 6 (marked with a solid line of 6 in fig. 1) is located between top layer terminal braking tablet 8 and top layer flat position 11 of top layer terminal layer door zone 10, or top layer terminal deceleration tablet 6 (marked with a dotted line of 6 in fig. 1) is located below top layer flat position 11 of top layer terminal layer door zone 10. Bottom end stop induction plate 9 is positioned above bottom end stop door zone 18 and bottom end deceleration induction plate 7 (shown in solid or dashed lines at 7 in fig. 2) is positioned above bottom end stop induction plate 9.
The top flat position 11 is below the first optical sensing module SSU2 and the second optical sensing module SSD 3: the distance from the top terminal braking induction plate 8 to the first photo-sensing module SSU2 and the second photo-sensing module SSD3 is a braking distance Lzt; the distance from the top terminal deceleration sensing board 6 to the first optical sensing module SSU2 and the second optical sensing module SSD3 is a deceleration distance SS.
The bottom floor leveling position 19 is above the first optical sensing module SSU2 and the second optical sensing module SSD 3: the distance from the bottom-layer terminal braking sensing board 9 to the first photo-sensing module SSU2 and the second photo-sensing module SSD3 is a braking distance Lzt, and the distance from the bottom-layer terminal deceleration sensing board 7 to the first photo-sensing module SSU2 and the second photo-sensing module SSD3 is a deceleration distance SS.
The embodiment can obtain the corresponding deceleration distance SS and braking distance L according to the rated running speed of the elevator in the chart of FIG. 4ztThereby obtaining the installation positions of the deceleration sensing plate and the braking sensing plate.
The utility model discloses a photo sensing module SSU2 and two SSD3 of photo sensing module respectively with 4 signal connection of controller, realize that photo sensing module SSU2 or two SSD3 of photo sensing module will stop the response signal transmission that the tablet obtained through speed reduction tablet and system to controller 4 to detect and safety protection slow down elevator car 1.
As shown in fig. 3, the controller 4 of the present invention includes a control module MCU 12, a safety relay module 13, a power module 15, and a self-learning module 16 for obtaining braking speed, wherein the safety relay module 13, the power module 15, and the self-learning module 16 are all connected to the control module MCU 12; the safety contact of the safety relay module 13 is connected in series with the safety loop of the elevator control system 14, and the control module MCU 12 is respectively connected with the photoinduction module I SSU2, the photoinduction module II SSD3 and the elevator control system 14. The controller 4 further comprises a door zone signal input module 17, and the door zone signal of the elevator is connected with the control module MCU 12 through the door zone signal input module 17. The safety relay module 13 is designed to effectively perform braking protection or limit protection on the operation of the elevator car 1. Fig. 3 is a schematic working diagram of the first photo-sensing module SSU2, the second photo-sensing module SSD3 and the top terminal deceleration sensing board 6, and the schematic working diagrams of the first photo-sensing module SSU2 and the second photo-sensing module SSD3, the bottom terminal deceleration sensing board 7, the top terminal stop sensing board 8 and the bottom terminal stop sensing board 9 are the same as fig. 3.
The utility model discloses an elevator terminal detects protection device working process is such: adopt photoinduction module to install at 1 tops of elevator car, set up speed reduction tablet and braking tablet (both are the reflector panel) at elevator guide rail 5. When the photoinduction module moves to the deceleration induction plate along with the elevator car, a deceleration induction signal is obtained, and the controller outputs the deceleration signal, so that the elevator controller controls the traction machine to decelerate and stop. When photoinduction module moves to the braking tablet along with elevator car, calculate the elevator and move the instant speed and come to slow down the detection to elevator car 1, if detect elevator car 1 not yet slow down, then stop the protection to elevator car 1, make safety relay module 13's safety contact disconnection, the elevator braking is in terminal floor door district. After the elevator car 1 runs to the terminal leveling of the terminal floor door area, the elevator car 1 is subjected to limit protection by detecting the change of the elevator door area signal, and the elevator car 1 is stopped, so that the safety protection effect is achieved.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (9)
1. The utility model provides an elevator terminal detects protection device which characterized in that: the elevator control system comprises a light sensing module, a deceleration sensing plate, a braking sensing plate and a controller, wherein the light sensing module is used for being installed on an elevator car, the deceleration sensing plate is used as a starting point of the elevator car entering a deceleration area, the braking sensing plate is used as a starting point of the elevator car entering a braking area, and the controller is connected with an elevator control system;
the deceleration induction plate and the stopping induction plate are both arranged on the wall of the elevator shaft or on the elevator guide rail; light sensing module and controller signal connection realize that light sensing module will send the sensing signal that obtains through speed reduction tablet and braking tablet to the controller to detect and safety protection slow down elevator car.
2. The elevator terminal detection protection device of claim 1, wherein: the light sensing module comprises a first light sensing module and a second light sensing module; the first light sensing module and the second light sensing module are arranged in the same vertical direction and are respectively arranged at the top of the elevator car.
3. The elevator terminal detection protection device of claim 2, wherein: the first light sensing module and the second light sensing module are vertically separated by 40-50 mm.
4. The elevator terminal detection protection device of claim 2, wherein: and the distance between the first light induction module and the second light induction module and the deceleration induction plate and the stopping induction plate are respectively less than or equal to 100 mm.
5. The elevator terminal detection protection device of claim 1, wherein: the deceleration induction plate comprises a top terminal deceleration induction plate and a bottom terminal deceleration induction plate; the stop induction board comprises a top layer terminal stop induction board and a bottom layer terminal stop induction board.
6. The elevator terminal detection protection device of claim 5, wherein: the top terminal stopping induction plate is positioned above a top flat layer position of a top terminal layer door area; the top terminal deceleration induction plate is positioned between the top terminal braking induction plate and a top flat position of a top terminal landing door area; or the top terminal deceleration sensing plate is positioned below the top flat position of the top terminal landing door area.
7. The elevator terminal detection protection device of claim 5, wherein: the bottom terminal stopping induction plate is positioned above a bottom flat layer position of a bottom terminal layer door area; the bottom terminal deceleration induction plate is positioned above the bottom terminal stopping induction plate.
8. The elevator terminal detection protection device of claim 1, wherein: the controller comprises a control module and a safety relay module connected with the control module; the safety contact of the safety relay module is connected in series with a safety circuit of the elevator control system; and the control module is respectively connected with the light sensing module and the elevator control system.
9. The elevator terminal detection protection device of claim 1, wherein: the self-learning module is used for acquiring braking and stopping speed; the self-learning module is connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021541626.0U CN212245786U (en) | 2020-07-30 | 2020-07-30 | Elevator terminal detection protection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021541626.0U CN212245786U (en) | 2020-07-30 | 2020-07-30 | Elevator terminal detection protection device |
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| CN212245786U true CN212245786U (en) | 2020-12-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111731959A (en) * | 2020-07-30 | 2020-10-02 | 菱王电梯股份有限公司 | Elevator terminal detection protection device and detection protection method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111731959A (en) * | 2020-07-30 | 2020-10-02 | 菱王电梯股份有限公司 | Elevator terminal detection protection device and detection protection method thereof |
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Address after: 528225 North Park of Shishan Science and Technology Industrial Park, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee after: Lingwang Elevator Co.,Ltd. Address before: 528225 North Park of Shishan Science and Technology Industrial Park, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee before: WINONE ELEVATOR Co.,Ltd. |