CN106608573A - Elevator door opening prevention movement detection control device and safety braking device - Google Patents
Elevator door opening prevention movement detection control device and safety braking device Download PDFInfo
- Publication number
- CN106608573A CN106608573A CN201610864106.5A CN201610864106A CN106608573A CN 106608573 A CN106608573 A CN 106608573A CN 201610864106 A CN201610864106 A CN 201610864106A CN 106608573 A CN106608573 A CN 106608573A
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- Prior art keywords
- car
- sensor
- door
- gate
- detection control
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Classifications
-
- 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
-
- 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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- 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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Elevator Door Apparatuses (AREA)
- Elevator Control (AREA)
Abstract
Disclosed are an elevator door opening prevention movement detection control device and a safety braking device. The door opening prevention movement detection control device comprises a logic detection system and a power switch device. The logic detection system detects the working conditions of a car door and a lift car through a sensor, and a detection signal is judged by a logic circuit. Once door opening elevator slipping or operation or non-braking floor door opening occurs, the logic circuit sends a control signal immediately, and the power switch device is triggered to be connected with a safety braking device power source (meanwhile, a safety circuit is disconnected). The safety braking device comprises an electromagnet mainly comprising an electromagnetic coil and an electromagnet core. When the electromagnet receives electromagnetic force generated by the door opening prevention movement detection control device during power supply, the electromagnetic force makes the electromagnet core makes contact with a guide rail in a pull-in mode, braking friction force is generated to brake the lift car, and thus the purpose of safety protection is achieved.
Description
Technical field
The present invention relates to a kind of vertical lift elevator prevents from opening the door slips tears, the safety guard of operation of opening the door.
Background technology
At present, the safety guard of existing vertical lift elevator is more complete, essentially single-stage protection, if safety dress
Put once breaking down, will occur to cause people's casualty accident, or even serious accident occurs.In the casualty accident for having occurred,
Great majority are that enabling is slipped tears, opens the door and run (movement of opening the door) accident, i.e. elevator in the terraced door unlatching of stop stopping, having personnel to pass in and out
During elevator, elevator flies up or declines, and causes to pass in and out the folder that elevator personnel fall down or are directly stuck between car and floor
Injures and deaths are sheared in seam；Or：Elevator stops in stop, and terraced door is closed suddenly again after opening, and causes to pass in and out elevator personnel by terraced door
After clamping, elevator flies up or declines, and causes directly to be cut with being stuck in the crack between car and floor by personnel of pressing from both sides
Incised wound is died；Again or：Elevator mistake between stop stops, and gate is opened by mistake when opening someone and going out elevator by mistake, or goes out personnel by mistake and dashed forward
When the gate so closed is clamped, elevator flies up or declines, and causes to go out personnel being by mistake directly stuck between car and floor
Injures and deaths are sheared in crack.The generation of above accident is to be broken down by elevator associated safety feature and caused, and basic fault is：
It is " operation (opening by mistake machine) of opening the door " or " non-that band-type brake failure causes " ladder is slipped in enabling " phenomenon and safety contact and control circuit failure to cause
Stop layers are opened the door (opening by mistake door) " phenomenon etc., causing the main cause of elevator car safety failure is：Elevator design manufacturing defect and dimension
Shield maintenance disappearance.Also there is the technology for taking precautions against such accident now, but " tears are slipped in enabling " that they can only be to car after stop layers
Or " operation of opening the door " plays single protective effect, and the method using detection car " crossing specific range " etc obtains moment
Detection signal has detection method and signal reliability is low, complex structure as the foundation of " movement ", and protection content is single etc.
It is not enough.
The content of the invention
In order to overcome the shortcomings of that existing elevator car safety is present, the present invention provides one kind can be in existing elevator associated safety
Device breaks down, and when causing enabling to slip ladder, operation or the enabling of non-stop layers, plays the second protection of key and the peace of salvage
Full protection device, the generation of Accident prevention.
The technical solution adopted for the present invention to solve the technical problems is：A kind of elevator prevents the mobile detection control dress that opens the door
Put, including logic detection system, device for power switching, it is characterized in that, the logic detection system, including detection gate open with
The gate sensor and detection car stop layers of closing situation and the car sensor of absciss layer situation, for being turned on and off when gate
When send " enabling " or " closing the door " signal and " stop layers " or " absciss layer " signal sent when car stop layers or absciss layer, also including main
By gate sensor and car sensor group into logic circuit, for when receiving gate sensor and car sensor sends
" enabling " and " absciss layer " signal when send control signal, the device for power switching, for sending when receiving logic circuit
Control signal when connect elevator safety stopping device power supply.A kind of elevator safety stopping device, including solenoid, electric magnet
Core, guide rail, is characterized in that, the solenoid and electromagnetic core, for constituting electric magnet, the electric magnet, for when receiving
Prevent from opening the door to described elevator mobile detection control apparatus power supply when produce electromagnetic force, electromagnetic force makes electromagnetic core and guide rail
Adhesive contacts and produces braking friction stop car.
Specific work process：When gate is opened after the normal stop layers of car, what gate sensor and car sensor sent
" enabling " and the detection signal of " stop layers ", is judged as " normal " by logic circuit, therefore does not send control signal.When gate it is normal
After closing during car absciss layer, the detection signal of " closing the door " and " absciss layer " that gate sensor and car sensor send, by patrolling
It is " normal " to collect circuit judges, therefore does not send control signal.After car stop layers in the case where gate is opened or clamps object
When slipping the abnormal conditions of ladder or operation, or when car is in the case of non-stop layers (in stopping beyond stop or being mobile)
When there are the abnormal conditions opened the door (open by mistake door or artificial enabling by force), " enabling " that gate sensor and car sensor send
The detection signal of " absciss layer " (i.e. " movement "), by logic circuit "abnormal" is judged as, control signal is sent at once, is believed with this
Number triggering device for power switching connect safe stop installation's power source (safety return circuit can be simultaneously switched off), make safe stop device obtain electric
Action stop car, so as to reach the purpose of safeguard protection.
The gate sensor and car sensor, can adopt the photoelectricity of proximity, electromagnetism, inductance, magnetic strength, electric capacity,
Infrared, ultrasound wave, tongue tube, Hall etc sensor, it would however also be possible to employ stroke, touching of contact etc switch.
The logic circuit, can be by gate sensor and car sensor group into (such as Fig. 3), it is also possible to sensed by gate
Device and car sensor and electronic component (such as Fig. 2), digital circuit (such as Fig. 4) are with being combined into.
The device for power switching, can adopt relay, catalyst, the relay contactor of electromagnetic type etc power switch
Device, it would however also be possible to employ solid-state relay, power switching modules, controllable silicon, audion of electronic type etc device for power switching.
The invention has the beneficial effects as follows：The present invention car can be stopped after stop layers and beyond stop after " enabling
Slip tears " and " open the door operation " can play a protective role, moreover it is possible to car is " stopping back pullout (BPO) " " to be opened beyond stop and in moving
Door " also can play a protective role, and the method using detection car " absciss layer " obtains long-time detection signal as " movement "
Foundation, simple structure high with detection method and signal reliability, protection content is wide, practical, the features such as embodiment is more.
Description of the drawings
With reference to the accompanying drawings and examples the present invention is further described.
Fig. 1 is the scheme of installation of gate sensor and car sensor in detection control apparatus of the invention.
Fig. 2 is that the present invention prevents the circuit theory diagrams of mobile detection control apparatus one embodiment of opening the door.
Fig. 3 is that the present invention prevents the circuit theory diagrams of second embodiment of mobile detection control apparatus of opening the door.
Fig. 4 is that the present invention prevents the circuit theory diagrams of the 3rd embodiment of mobile detection control apparatus of opening the door.
Fig. 5 is the structural representation of safe stop device one embodiment of the present invention.
In Fig. 1,1. car (stop layers state), 2. gate (closed mode), 3. traction steel-cable, 4. hoistway wall, 5. building
Laminate, 6,8. gate sensor, 7,9,10. gate sensor detected material, 11,13. car sensors, 12,14. cars sensing
Device detected material, 15. up enabling zone positions, 16. descending enabling zone positions.
In Fig. 2, IC1. gate (photoelectricity) sensor, IC2. car (photoelectricity) sensor, BG1、BG2. control audion, R1-
R4. current-limiting resistor voltage divider, D. fly-wheel diodes, J1. relay, J2. catalyst, J1-1、J1-2. relay contact switch, J2-1、
J2-2. contacts of contactor is switched, Y1、Y2. left and right safe stop device, K1. power supply, reset switch, K2. overhaul, test, meeting an urgent need and open
Close, V. power supplys.
In Fig. 3, CK1. gate (tongue tube) sensor, CK2. car (tongue tube) sensor, SSR. solid-state relays,
K1.SSR built-in normally closed switch, K2.SSR built-in normal open switch, Y1、Y2. left and right safe stop device, V. power supplys.
In Fig. 4, H1. gate (Hall) sensor, H2. car (Hall) sensor, IC. numeral (with door) circuits, R1、R2.
Current-limiting resistor voltage divider, SSR. solid-state relays, K1.SSR built-in normally closed switch, K2.SSR built-in normal open switch, Y1、Y2. pacify left and right
Full stopping device, V. power supplys.
In Fig. 5,1. solenoid, 2. electromagnetic core, 3. electromagnetic core magnetic conduction swing arm, 4. back-moving spring, 5. swing arm axle, 6.
Fixed mount, 7. guide rail, 8. back-moving spring bail, P. electromagnetic forces.
Specific embodiment
In the present invention, it is preferred to gate sensor and car sensor installation and detection method：Gate can be sensed
Device be arranged on car near gate appropriate location (in Fig. 1,6), with the gate detected material (in Fig. 1,7),
After gate is closed corresponding (sending " closing the door " signal), or gate sensor is arranged on into the appropriate location (Fig. 1 on gate
In, 8), with the car (in Fig. 1, detected material 10) or on another Yishanmen (in Fig. 1,9), the phase after gate is closed
Correspondence (sending " closing the door " signal), is separated (sending " enabling " signal) when gate is opened, can also be by gate sensor
Be arranged close to the appropriate location of car door lock, with installed in it is another fan car door lock on detected material, after door lock locking
Corresponding (in Fig. 1, similar to 8,9) (sending " closing the door " signal), is separated when car door lock is opened and (sends " enabling "
Signal).Can by car sensor be arranged on appropriate location on car (in Fig. 1,11,13), and installed in every layer of hoistway wall
Detected material in fixed object (in Fig. 1,12,14), corresponding after car each stop stop layers (in Fig. 1,11,12) (i.e.
Send " stop layers " signal), or the car with advance door opening function be up to per layer up enabling zone position (in Fig. 1,
15) to descending enabling zone position when (in Fig. 1, it is 16) corresponding (i.e. in whole enabling region) (in Fig. 1,13,14) (send out
Go out " stop layers " signal), it is separated (sending " absciss layer " signal) in car absciss layer or when leaving enabling region.It is described to be detected
Thing, is the inductor of proximity sensor or the touching thing of touch switch.Gate sensor and car sensor, can be using extremely
A few sensor is responsible for its detection work.Gate sensor, can by the way of to a fan gate detection (in Fig. 1,6,7),
May also be employed the mode to two fan gates detections (in Fig. 1,8,9), can also respectively detect two fan gates using two sensors
Mode (in Fig. 1,6,7,8,10).
In preferred embodiment shown in Fig. 2, IC1、IC2Can be passed using ST178 etc infrared reflection photoelectricity (open type)
Sensor, detected material is reflector, BG1、BG29013 etc NPN triodes, D can be adopted to adopt IN4001 etc diode,
R1、R3And R2、R4200 Ω -300 Ω and 15K Ω -25K Ω resistance, J can be adopted1、J2Electromagnetic type relay, catalyst, V can be adopted
5V-6V, J can be adopted2、Y1、Y2220V can be adopted.By IC1、IC2With R1～R4、BG1、GB2Composition simulation AND gate, when
IC1、IC2When being turned off, GB2Conducting sends control signal.
Specific work process：After car normal stop layers, when gate is opened, IC2It is corresponding with detected material, IC2Conducting, BG2
Base stage is electronegative potential, BG2Cut-off, IC1Separate with detected material, IC1Cut-off, BG1Base stage is high potential, BG1Conducting, therefore when
IC2Conducting, BG2Base stage is still low electricity, BG2Still end.After gate normal switching-off, during car absciss layer, IC1With detected material pair
Should, IC1Conducting, BG1Base stage is electronegative potential, BG1Cut-off, IC2Separate with detected material, IC2Cut-off, thus when BG1Cut-off, BG2
Base stage is still electronegative potential, BG2Still end.Ladder or fortune are slipped after car stop layers in gate unlatching or in the case of clamping object
During row, or when car in the case of non-stop layers when opening the door, because of IC1、IC2Separate with detected material, IC1、IC2
Cut-off, BG1、BG2Base stage is high potential, BG1、BG2It is both turned on, therefore J1Work, J1-1Safety return circuit is disconnected, driving host is shut down
(or preventing start), while J1-2Closure, J2Work, J2-1、J2-2Closure, Y1、Y2Work, stop car, elevator safety.
In preferred embodiment shown in Fig. 3, CK1、CK2The tongue tube with induced magnet (closed type) sensor can be adopted,
Using its normally-closed contact, detected material is magnetic isolation plate, and V can adopt 5V-6V, Y1、Y2220V can be adopted.By CK1、CK2Composition simulation
AND gate, works as CK1、CK2When being both turned on, control signal is sent.
Specific work process：After car normal stop layers, when gate is opened, CK2It is corresponding with detected material, CK2Cut-off, CK1
Separate with detected material, CK1Conducting.After gate normal switching-off, during car absciss layer, CK1It is corresponding with detected material, CK1Cut-off,
CK2Separate with detected material, IC2Conducting.Ladder or fortune are slipped after car stop layers in gate unlatching or in the case of clamping object
During row, or when car in the case of non-stop layers when opening the door, because of CK1、CK2Separate with detected material, CK1、CK2
Conducting, therefore SSR works, K1Disconnect safety return circuit, main shut-down system (or preventing start), while K2Conducting, Y1、Y2Work, stop sedan-chair
Railway carriage or compartment, elevator safety.The CK1、CK2It is corresponding with detected material, it is magnetic isolation plate insertion CK1、CK2Sensing groove in, the CK1、CK2
Separate with detected material, be magnetic isolation plate from CK1、CK2Sensing groove in extract out.
In preferred embodiment shown in Fig. 4, H1、H2Hall (open type) sensor can be adopted, detected material is Magnet,
IC is using numeral and gate circuit, R1、R215K Ω resistance, V can be adopted to adopt 5V, Y1、Y2220V can be adopted.By H1、H2With R1、
R2, the digital AND gate of IC compositions, work as H1、H2When being turned off, the Y ends of IC send control signal.
Specific work process：After car normal stop layers, when gate is opened, H2It is corresponding with detected material, H2Conducting, the B of IC
Hold as 0, H1Separate with detected material, H1Cut-off, the A ends of IC are 0 for the Y ends of 1, IC.After gate normal switching-off, car absciss layer
When, H1It is corresponding with detected material, H1Conducting, the A ends of IC are 0, H2Separate with detected material, H2Cut-off, the B ends of IC are the Y of 1, IC
Hold as 0.When opening or slipping in the case of clamping object ladder or run in gate after car stop layers, or when car is non-
When opening the door in the case of stop layers, because of H1、H2Separate with detected material, H1、H2It is turned off, A, B end of IC is 1, IC's
Y ends are 1, therefore SSR works, K1Disconnect safety return circuit, main shut-down system (or preventing start), while K2Conducting, Y1、Y2Work, stop
Car, elevator safety.
In the present embodiment, H1、H2It is suitable for the open type sensor of various species.
In the present embodiment, by H1、H2Use closed type sensor instead, IC uses digital OR-NOT circuit instead, becomes another
Embodiment.
In preferred embodiment shown in Fig. 5, after solenoid (1) is powered, in the presence of electromagnetic force (P), electromagnetism
The activity of iron core (2) Jing swing arm axles (5) and guide rail (7) adhesive, in electromagnetic core magnetic conduction swing arm (3), electromagnetic core (2) and guide rail
(7) formed in the presence of closed magnetic circuit electromagnetic force (P), make electromagnetic core (2) produce braking friction with guide rail (7), by guide rail
(7) firmly clamp, so as to reach the purpose that stop locks car.After solenoid (1) power-off, in back-moving spring (4)
Under effect, each part sets back.Fixed mount (6) is the fixed support of safe stop device.Can adopt electromagnetic core (2) with
Install the mode of the good thin friction plate of magnetic property on contact surface during guide rail (7) adhesive additional, improve stop effect, can also adopt many
To solenoid (1) and the mode of electromagnetic core (2), stop effect is improved.The stopping device can be arranged on car or counterweight
The appropriate location of the upper left and right sides, matches (such as Fig. 5) with two guide rails in left and right.
The safe stop device of the present embodiment, it is adaptable to which the present invention's prevents mobile detection control apparatus detection control of opening the door
" open the door movement ", this car start translational speed it is low in the case of stop effect, be especially particularly well-suited to only this
The mobile detection control apparatus that opens the door of preventing of invention could detect the car of control in " stopping back pullout (BPO) beyond stop ", this sedan-chair
Railway carriage or compartment locking protective effect in a stationary situation, thus the present invention prevent open the door mobile detection control apparatus and safe stop dress
Put with corresponding specified features.
Claims (5)
1. a kind of elevator prevents the mobile detection control apparatus that opens the door, including logic detection system, device for power switching, its feature
Be, the logic detection system, including detection gate open and close situation gate sensor and detection car stop layers and from
The car sensor of layer situation, for " enabling " or " closing the door " signal are sent when gate is turned on and off and when car stop layers or
Send " stop layers " or " absciss layer " signal during absciss layer, also including mainly by gate sensor and car sensor group into logic electricity
Road, for sending control signal when " enabling " and " absciss layer " signal that gate sensor and car sensor send is received,
The device for power switching, for connecting elevator safety stopping device electricity when the control signal that logic circuit sends is received
Source.
2. a kind of elevator safety stopping device, including solenoid, electromagnetic core, guide rail, is characterized in that, the solenoid and
Electromagnetic core, for constituting electric magnet, the electric magnet is prevented out for receiving elevator according to claim 1
Electromagnetic force is produced during the power supply of the mobile detection control apparatus of door, electromagnetic force makes electromagnetic core contact with guide rail adhesive and produces braking
Frictional force stop car.
3. elevator according to claim 1 prevents the mobile detection control apparatus that opens the door, and it is characterized in that, the gate sensor
With car sensor, photoelectricity, electromagnetism, inductance, magnetic strength, electric capacity, infrared, ultrasound wave, tongue tube, the Hall of proximity can be adopted
Etc sensor, it would however also be possible to employ the stroke of contact, touching etc switch.
4. elevator according to claim 1 prevents the mobile detection control apparatus that opens the door, and it is characterized in that, the logic circuit,
Can by gate sensor and car sensor group into, it is also possible to by gate sensor and car sensor and electronic component, number
Word circuit is with being combined into.
5. elevator according to claim 1 prevents the mobile detection control apparatus that opens the door, and it is characterized in that, the power switch device
Part, can adopt relay, catalyst, the relay contactor of electromagnetic type etc device for power switching, it would however also be possible to employ electronic type
Solid-state relay, power switching modules, controllable silicon, audion etc device for power switching.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015107020693 | 2015-10-21 | ||
| CN201510702069.3A CN105366512A (en) | 2015-10-21 | 2015-10-21 | Safety locking protection device of vertical elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106608573A true CN106608573A (en) | 2017-05-03 |
Family
ID=55369238
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510702069.3A Pending CN105366512A (en) | 2015-10-21 | 2015-10-21 | Safety locking protection device of vertical elevator |
| CN201610864106.5A Pending CN106608573A (en) | 2015-10-21 | 2016-09-22 | Elevator door opening prevention movement detection control device and safety braking device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510702069.3A Pending CN105366512A (en) | 2015-10-21 | 2015-10-21 | Safety locking protection device of vertical elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105366512A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002161A (en) * | 2017-11-20 | 2018-05-08 | 江苏省特种设备安全监督检验研究院 | Passenger takes off the detection method of a behavior in a kind of lift car |
| CN110002312A (en) * | 2019-04-30 | 2019-07-12 | 广东省特种设备检测研究院珠海检测院 | One kind is based on pressure sensing anti-shearing elevator cage door system and shearing prevention method |
| WO2020124546A1 (en) * | 2018-12-21 | 2020-06-25 | 深圳技术大学（筹） | Method and apparatus for monitoring elevator door operation failure |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114751278A (en) * | 2021-01-12 | 2022-07-15 | 山东富士制御电梯有限公司 | Self-detection automatic operation elevator safety protection device |
-
2015
- 2015-10-21 CN CN201510702069.3A patent/CN105366512A/en active Pending
-
2016
- 2016-09-22 CN CN201610864106.5A patent/CN106608573A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002161A (en) * | 2017-11-20 | 2018-05-08 | 江苏省特种设备安全监督检验研究院 | Passenger takes off the detection method of a behavior in a kind of lift car |
| WO2020124546A1 (en) * | 2018-12-21 | 2020-06-25 | 深圳技术大学（筹） | Method and apparatus for monitoring elevator door operation failure |
| CN110002312A (en) * | 2019-04-30 | 2019-07-12 | 广东省特种设备检测研究院珠海检测院 | One kind is based on pressure sensing anti-shearing elevator cage door system and shearing prevention method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105366512A (en) | 2016-03-02 |
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