CN104477722B - The elevator and method of a kind of anti-car accidental movement - Google Patents
The elevator and method of a kind of anti-car accidental movement Download PDFInfo
- Publication number
- CN104477722B CN104477722B CN201410824145.3A CN201410824145A CN104477722B CN 104477722 B CN104477722 B CN 104477722B CN 201410824145 A CN201410824145 A CN 201410824145A CN 104477722 B CN104477722 B CN 104477722B
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- Prior art keywords
- elevator
- control system
- car
- electric control
- signal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The present invention relates to elevators field, and in particular to the elevator of anti-car accidental movement.The present invention is included by installing the mobile status that motion detection device detects car, the motion detection device on elevator:Detect wheel, photelectric receiver, photoemitter, rotating shaft and housing, the detection wheel is flexibly connected with rotating shaft, the rotating shaft is arranged at the inside of the housing and is connected with the first side wall, second sidewall, the sidepiece of the detection wheel is provided with through hole, the photoemitter is connected with the first side wall, the optoelectronic receiver is connected with second sidewall, and the photoemitter is corresponding with the position and the position of the through hole of photelectric receiver.Closing situation instruction linkage arresting stop braking or not braking car of the electric control system of elevator of the present invention further according to the motion conditions of car, the opening situation of brake and door lock, prevent elevator from the generation of security incident during accidental movement occur.Elevator safety of the present invention is higher.
Description
Technical field
The present invention relates to elevators field, and in particular to the elevator and method of a kind of anti-car accidental movement.
Background technology
As elevator is in the popularization of daily life, elevator accident constantly occurs, and especially some threaten larger accident to give
The personal safety of people and property bring huge infringement, such as shearing, extrude, fall the accident that causes of mode.Study carefully it
The root of accident, wherein, caused by a very important reason is due to the accidental movement of lift car.Therefore, how
Avoid because security incident is urgent problem to be solved caused by accidental movement of elevator cage.
Description
In order to solve the above technical problems, avoiding because of security incident caused by accidental movement of elevator cage.The mesh of the present invention
One of be to provide a kind of elevator of anti-car accidental movement.
The elevator of the anti-car accidental movement includes motion detection device, and the motion detection device includes:Detection wheel,
Photelectric receiver, photoemitter, rotating shaft and housing, the detection wheel are flexibly connected with rotating shaft, and the rotating shaft is arranged at described
The inside of housing is simultaneously connected with the first side wall, second sidewall, and the sidepiece of the detection wheel is provided with through hole, the photoemitter
It is connected with the first side wall, the photelectric receiver is connected with second sidewall, the position of the photoemitter and photelectric receiver
Position with the through hole is corresponding.And the motion detection device is connected by connector with the boots of leading of elevator, the movement
The detection wheel of detection means is in contact with the guide rail of elevator.
Further, the through hole is 3, and the through hole is evenly distributed on the detection wheel with the same center of circle.
Further, the elevator also includes brake, door lock, linkage arresting stop and electric control system, the system
Dynamic device is used for the rotation for controlling traction sheave, and launches brake opening or the first state signal closed up to electric control system；
The door lock is used to lock car door and concurrently shoot to lock the second status signal closed or disconnected to electric control system, the electricity
The signal that gas control system is fed back according to the motion detection device, judges car movement or the motion state stopped, shape
Into third state signal, the electric control system is sent out according to first state signal, the second status signal and third state signal
Go out the instruction control linkage arresting stop, control braking or not braking car.
The second object of the present invention is to further provide for a kind of method for preventing elevator accidental movement, it is characterised in that institute
The method of stating comprises the following steps：
(1) electric control system receives brake opening or the first state signal closed up that brake is sent；
(2) electric control system reception door lock is sent closing or the second status signal of disconnection；
(3) electric control system receives and handled the signal that motion detection device is sent, and forms third state signal；
(4) electric control system joins according to the first state signal, the second status signal and third state signal instruction
Dynamic arresting stop braking or not braking car.
Further, during the signal that electric control system processing motion detection device is sent in step (3), one is ignored small
When section lift car becomes stopping by motion, the signal that motion detection device is sent.
Motion detection device of the present invention can timely and effectively judge the motion conditions of lift car, the electricity of elevator
Gas control system stops further according to the closing situation instruction linkage of the motion conditions of car, the opening situation of brake and door lock
Device is braked or not braking car, prevents elevator from the generation of security incident during accidental movement occur.Elevator safety of the present invention
Property is higher.
Illustrate accompanying drawing
Fig. 1 is the structural representation of motion detection device of the present invention；
Fig. 2 is the top view of motion detection device of the present invention；
Fig. 3 is the scheme of installation of motion detection device of the present invention；
Fig. 4 is the fundamental diagram of brakes of the present invention.
Embodiment
It refer to Fig. 1 and Fig. 2.The motion detection device includes:Detection wheel 5, photelectric receiver 7, photoemitter
8th, rotating shaft 16 and housing 4.Preferably, the housing 4 is the rectangular parallelepiped structure of two sides opening, the detection wheel 5 and rotating shaft 16
It is flexibly connected, the rotating shaft 16 is installed on the inside of the housing 4, is connected with the first side wall 11, second sidewall 12, the detection
Wheel 5 extends the outside of housing 4.The sidepiece of the detection wheel 5 is provided with through hole 6, preferably, the through hole 6 is 3, institute
3 through holes 6 are stated to be evenly distributed on the detection wheel 5 with the same center of circle.Photoemission is provided with the first side wall 11
Photelectric receiver 7, position and institute of the photoemitter 8 with photelectric receiver 7 are provided with device 8, the second sidewall 12
The position for stating through hole 6 is corresponding, i.e., by detecting the rotation of wheel 5, photoemitter 8, photelectric receiver 7 can positions with detection wheel 5
In on same straight line, the signal that the photoemitter 8 is launched can be received through through hole 6 by photelectric receiver 7.
Please continue to refer to Fig. 3, the scheme of installation of Fig. 3 motion detection devices of the present invention.The motion detection device passes through
Connector 3 is connected with the boots 2 of leading of elevator, and the detection wheel 5 of the motion detection device is in contact with the guide rail 21 of elevator, so that institute
State when car does downward reciprocating motion along guide rail, the detection wheel 5 is rolled under the drive of car on guide rail 21.
When the signal that the photoemitter 8 is sent is received by photelectric receiver 7, the photelectric receiver 7 is transmitted
The signal wave being made up of digital " 111111 " is to electrical control system of elevator, and the signal that the photoemitter 8 is sent does not have
When being received by photelectric receiver 7, the photelectric receiver 7 transmits the signal wave being made up of digital " 000000 " to elevator electrical
Control system.Therefore, elevator operation detection wheel 5 is being when rotating always, photelectric receiver 7 can transmit always by " 010101 " or
The signal wave of " 101010 " composition is transferred to system.When detection wheel 5 stops operating, if photelectric receiver 7 and photoemission
There is no through hole 6 between device 8, then photelectric receiver 7 can only launch the signal wave being made up of " 000000 " and give elevator electrical equipment control system
System, if there is through hole 6 between photelectric receiver 7 and photoemitter 8, photelectric receiver 7 can only be launched by " 111111 " group
Into signal wave to electrical control system of elevator.The electrical control system of elevator is according to the signal being collected into, you can judge
The running status of car.
As a kind of preferred embodiment of the present embodiment, when lift car stop motion, due to effect of inertia, detection
Wheel 5 will not stop immediately, so photelectric receiver 7 can first receive a bit of signal wave being made up of " 0 " and " 1 ", then connect again
The signal wave being made up of " 000000 " or " 111111 " is received, in debugging, electrical control system of elevator of the present invention is to receiving
The signal wave being made up of " 0 " and " 1 " of length-specific is disregarded before the signal wave of " 000000 " or " 111111 " composition.
The present embodiment further provide for it is a kind of prevent the brakes of car accidental movement, the system include brake, this
Motion detection device, door lock and linkage arresting stop described in embodiment.Fig. 4 is refer to, Fig. 4 is elevator electrical control system of the present invention
The schematic diagram of system control linkage arresting stop.
In use, when electric power system dump, brake power-off automatic band-type brake closes up, brake is to electric control system
Launch " 1 " data signal, motion detection device detects car motion conditions, (1) is if motion detection device is to electrical control system
System transmission " 000000 " or " 111111 " data signal, illustrates that detection wheel has stopped operating, that is, detects car and stopped
Accidental movement situation does not occur for operation, car, so no matter door lock assembly is in closing or off-state, electrical control system
All without halt instruction is sent after system identification signal, linkage arresting stop need not perform braking maneuver.(2) if mobile detection dress
Put the data signal that " 010101 " or " 101010 " are transmitted to electric control system, and this signal that electric control system is received
Amount exceedes specified signal amount, then explanation detection wheel is also being rotated, that is, detects car also in motion state, and car is possible to hair
The outer situation of movement of business, so no matter door lock assembly is in after closing or off-state, electric control system identification signal all
To linkage arresting stop transmitting halt instruction, linkage arresting stop receives halt instruction and performs braking maneuver；(3) if mobile inspection
Survey device and transmit the data signals of " 010101 " or " 101010 " to electric control system, and electric control system receive it is this
Semaphore is not less than specified signal amount, then explanation detection wheel has stopped operating, that is, it is out of service to detect car, now
Will not occur the accidental movement situation of car, so being disconnection or closed mode regardless of door lock assembly, electric control system is known
All without halt instruction is sent after level signal, linkage arresting stop is also not carried out braking maneuver.
When electric power system power initiation, brake guaranties declutch opening, and brake launches " 0 " numeral to electric control system
Signal, motion detection device detection car situation of movement, (1) is if motion detection device is transmitted " 010101 " to electric control system
Or the data signal of " 101010 ", illustrate that detection wheel is in rotary state, that is, detect car and be kept in motion, when door lock dress
Put and launch door lock assembly in " 1 " data signal, i.e. car motion process to electric control system and be closed, illustrate now
Car need not be braked, the data signal that electric control system identification is sent by brake, motion detection device and door lock assembly
Halt instruction is not sent afterwards, and linkage arresting stop does not perform braking maneuver.(2) if motion detection device is passed to electric control system
The data signal of defeated " 010101 " or " 101010 ", illustrates that detection wheel is in rotary state, that is, detects car and be in motion shape
State, launches door lock assembly in " 0 " data signal, i.e. car motion process to electric control system when door lock assembly and is in disconnection shape
State, to avoid security incident, now car needs stop immediately, and electric control system identification is by brake, mobile detection
After the data signal that device and door lock assembly are sent, halt instruction is sent to linkage arresting stop immediately, linkage arresting stop connects
Receive halt instruction and perform braking maneuver.(3) if motion detection device to electric control system transmit " 000000 " or
" 111111 " data signal, illustrates that detection wheel has stopped operating, that is, it is out of service to detect car, when door lock assembly to
Electric control system launches " 1 " data signal, i.e. door lock assembly is closed, electric control system identification by brake,
The data signal that motion detection device and door lock assembly are sent, judges that car is in normal operating condition, motion detection device goes out
Existing failure, therefore perform actuation of an alarm.(4) above brake guaranties declutch opening, and brake is launched " 0 " to electric control system
Data signal, illustrates that car should handle running status；At the same time motion detection device is transmitted to electric control system
" 000000 " or " 111111 " data signal, illustrates that detection wheel has stopped operating, that is, detects car out of service；Two
Person's signal conflict.And door lock assembly is launched " 0 " data signal, i.e. door lock assembly to electric control system and is off, electricity
The data signal that gas control system identification is sent by brake, motion detection device and door lock assembly, judges that brake is not held
Row braking maneuver and door lock assembly has been off, it is necessary to stop car immediately, therefore electric control system is stopped to linkage
Locking apparatus sends halt instruction, and linkage arresting stop performs braking maneuver, and sends alarm, and mobile monitoring device breaks down.
Electric control system of the present invention is sent after halt instruction, and halt instruction touches bidirectional speed limiter electromagnetism valve events, limit
Fast device mechanical action cuts off electric power system circuit, and brake power-off closes up band-type brake automatically, and traction sheave, which is blocked, makes it stop operating,
If car continues to move, limiter of speed drives safety tongs action that car is forced into stop by speed limit steel wire rope.
In summary, the elevator with anti-car accidental movement effectively prevent the accidental movement of car, when car goes out
Existing accidental movement situation, motion detection device is by digital data transmission to electric control system, and electric control system is received and known
The data signal not sent by brake, motion detection device and door lock assembly, judges whether to need stop car immediately, if needing
Will stop car immediately, electric control system then sends halt instruction to linkage arresting stop immediately, and linkage arresting stop is received
Instruct and perform braking maneuver, cage operation situation can be so monitored in time, it is to avoid accidental movement danger occurs for car, and then
The generation of elevator safety accident is advantageously reduced, the personal safety and property safety to people serve certain protective effect.
Claims (4)
1. a kind of elevator of anti-car accidental movement, including motion detection device, it is characterised in that：The motion detection device bag
Detection wheel, photelectric receiver, photoemitter, rotating shaft and housing are included, the detection wheel is flexibly connected with rotating shaft, and the rotating shaft is set
It is placed in the inside of the housing and is connected with the first side wall, second sidewall, the sidepiece of the detection wheel is provided with through hole, the light
Electric transmitter is connected with the first side wall, and the photelectric receiver is connected with second sidewall, the photoemitter and opto-electronic receiver
The position of device is corresponding with the position of the through hole；And the motion detection device is connected by connector with the boots of leading of elevator,
The detection wheel is in contact with the guide rail of elevator.
2. a kind of elevator of anti-car accidental movement according to claim 1, it is characterised in that：The through hole to be several,
The through hole is evenly distributed on the detection wheel with the same center of circle.
3. the elevator of any anti-car accidental movement according to claim 1 or 2, it is characterised in that：The elevator
Also include brake, door lock, linkage arresting stop and electric control system, the brake is used for the rotation for controlling traction sheave,
And launch brake opening or the first state signal closed up to electric control system；The door lock is concurrent for locking car door
Second status signal of the closing of shooting lock or disconnection is to electric control system, and the electric control system is detected according to the movement
The signal that device is fed back, judges car movement or the motion state stopped, forms third state signal, the electrical control
System sends instruction according to first state signal, the second status signal and third state signal and controls the linkage arresting stop,
Control braking or not braking car.
4. a kind of method of any elevator accidental movement prevented described in claim 1-3, it is characterised in that：Methods described
Comprise the following steps：
(1) electric control system receives brake opening or the first state signal closed up that brake is sent；
(2) electric control system reception door lock is sent closing or the second status signal of disconnection；
(3) electric control system receives and handled the signal that motion detection device is sent, and forms third state signal；
(4) electric control system is stopped according to the linkage of the first state signal, the second status signal and third state signal instruction
Locking apparatus is braked or not braking car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410824145.3A CN104477722B (en) | 2014-12-26 | 2014-12-26 | The elevator and method of a kind of anti-car accidental movement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410824145.3A CN104477722B (en) | 2014-12-26 | 2014-12-26 | The elevator and method of a kind of anti-car accidental movement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104477722A CN104477722A (en) | 2015-04-01 |
| CN104477722B true CN104477722B (en) | 2017-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410824145.3A Active CN104477722B (en) | 2014-12-26 | 2014-12-26 | The elevator and method of a kind of anti-car accidental movement |
Country Status (1)
| Country | Link |
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| CN (1) | CN104477722B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111056409A (en) * | 2020-01-08 | 2020-04-24 | 广东博智林机器人有限公司 | Lifting device and control method for preventing lift car from moving accidentally |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5191907B2 (en) * | 2007-01-23 | 2013-05-08 | 三菱電機株式会社 | Elevator equipment |
| JP5222833B2 (en) * | 2009-12-11 | 2013-06-26 | 株式会社日立製作所 | Electronic safety elevator |
| CN101844719B (en) * | 2010-06-01 | 2014-01-08 | 白士良 | Photosensitizing type sensor safety device of elevator |
| CN203461649U (en) * | 2013-08-22 | 2014-03-05 | 戴行刚 | Abnormal running protection device for elevator |
| CN103964272B (en) * | 2014-01-11 | 2018-10-30 | 广东日创电梯有限公司 | Prevent accidental movement of elevator cage or protection system out of control |
| CN203806899U (en) * | 2014-05-07 | 2014-09-03 | 安徽特力电子有限公司 | Anti-falling protective device of suspension cage |
| CN204434010U (en) * | 2014-12-26 | 2015-07-01 | 重庆迈高电梯有限公司 | The elevator of a kind of motion detection device and a kind of anti-car accidental movement |
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- 2014-12-26 CN CN201410824145.3A patent/CN104477722B/en active Active
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| Publication number | Publication date |
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| CN104477722A (en) | 2015-04-01 |
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