CN106865373A - Prevent door-opened elevator from moving offside hypervelocity safety guard - Google Patents

Prevent door-opened elevator from moving offside hypervelocity safety guard Download PDF

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Publication number
CN106865373A
CN106865373A CN201611048110.0A CN201611048110A CN106865373A CN 106865373 A CN106865373 A CN 106865373A CN 201611048110 A CN201611048110 A CN 201611048110A CN 106865373 A CN106865373 A CN 106865373A
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China
Prior art keywords
car
offside
sensor
door
gate
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Pending
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CN201611048110.0A
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Chinese (zh)
Inventor
路天民
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Individual
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Individual
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Publication of CN106865373A publication Critical patent/CN106865373A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B66B13/143—Control systems or devices electrical
    • B66B13/146—Control systems or devices electrical method or algorithm for controlling doors
    • 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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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Elevator Control (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Computer Networks & Wireless Communication (AREA)

Abstract

One kind prevents door-opened elevator from moving offside hypervelocity safety guard, including enabling motion detection device, more level detecting apparatus, overspeed testing apparatus, Power switching devices and safe stop device.Each detection means is responsible for its respective detection work; when the safety device of existing elevator breaks down; trigger open the door it is mobile, offside or exceed the speed limit phenomenon when; the device for being responsible for its detection work sends control signal; triggering Power switching devices connect safe stop installation's power source (can simultaneously switch off safety return circuit, cut-out traction electromechanical source), safe stop device is obtained electric work; by car stop, so as to reach the purpose of safeguard protection.Suitable for preventing door-opened elevator movement, offside (crouching bottom of rushing to summit) and the safety guard of hypervelocity.

Description

Prevent door-opened elevator from moving offside hypervelocity safety guard
Technical field
Mobile, offside and hypervelocity the safety guard that opens the door is prevented the present invention relates to a kind of vertical lift elevator.
Background technology
At present, existing vertical lift elevator safety guard is more complete, essentially single-stage protection, if safety device Once breaking down, will occur to cause people's injures and deaths or serious accident, in the casualty accident for having occurred, most typically：Open Door slips ladder, operation (open the door movement) accident, and when there is above-mentioned phenomenon, turnover personnel have little time to react and deal with dynamic Make, that is, be stuck in and injures and deaths are sheared in the crack between car and floor, the casualty rate of such accident is high, it has also become current elevator Maximum accident potential, is badly in need of solving.Rushing to summit after elevator is offside or crouching bottom and hypervelocity accident also happen occasionally, especially because of hair Life is slipped ladder and is slipped caused by terraced speed is not up to hypervelocity and rushes to summit or crouching bottom accident, and prior art cannot be solved at all, existing Anti- hypervelocity (speed limit) technology is mechanical, exists that sensitivity is low, error big, acts the deficiency such as stiff, blunt, although such thing Therefore casualty rate is not high, but can give people to leave spiritual frightened, the consequence of bodily injury evil.The generation of above accident is by elevator Caused by associated safety feature breaks down, its main cause is：Elevator design manufacturing defect and maintaining are lacked.
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 break down, trigger open the door it is mobile, offside or hypervelocity phenomenon when, play key second protection effect safeguard protection fill Put.
The technical solution adopted for the present invention to solve the technical problems is：Prevent from door-opened elevator from moving offside hypervelocity safety to protect Protection unit, including enabling motion detection device, more level detecting apparatus, overspeed testing apparatus, Power switching devices and safe stop Device, it is characterized in that, the enabling motion detection device, including detection gate opens and closes gate sensor and the inspection of situation The car sensor of car stop layers and absciss layer situation is surveyed, for sending " enabling " or " closing the door " signal when gate is turned on and off With send " stop layers " or " absciss layer " signal when car stop layers or absciss layer, also including mainly by gate sensor and car sensor The logic circuit of composition, for being sent out when " enabling " and " absciss layer " signal that gate sensor and car sensor send is received Go out control signal, the more level detecting apparatus, for sending control when car upstream or downstream reach the position to be limited Signal, the overspeed testing apparatus, for sending control when car upstream or downstream speed reaches the hypervelocity numerical value to be limited Signal processed, the Power switching devices receive enabling motion detection device, more level detecting apparatus or/and hypervelocity inspection for working as Safe stop installation's power source is connected during the control signal that survey device sends, the safe stop device receives power for working as Stop car during the power supply of switching device.
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 ", " normal " is judged as by logic circuit, does not send control signal.When gate is normally closed When closing rear car absciss layer, the detection signal of " closing the door " and " absciss layer " that gate sensor and car sensor send, by logic Circuit judges are " normal ", do not send control signal.Occur in the case where gate is opened or clamps object after car stop layers When slipping terraced or operation abnormal conditions, or when car occurs in the case of non-stop layers (in stopping beyond stop or being mobile) Open the door (open by mistake door or artificial open the door by force) abnormal conditions when, " enabling " that gate sensor and car sensor send and The detection signal of " absciss layer " (i.e. " movement "), is judged as "abnormal", therefore send control signal by logic circuit；When car is up Or when descending offside, more level detecting apparatus send control signal；When car upstream or downstream exceed the speed limit, overspeed testing apparatus send Control signal；When Power switching devices receive the control signal that above-mentioned at least one detection means sends, safety system is connected Stop device power supply (can simultaneously switch off safety return circuit, cut-out traction electromechanical source), safe stop device is obtained electric work, by car system Stop, elevator safety.
The gate sensor of the enabling motion detection device, car sensor and more level detecting apparatus, can be using connecing The photoelectricity of nearly formula, electromagnetism, inductance, magnetic strength, electric capacity, infrared, ultrasonic wave, tongue tube or Hall etc sensor, it would however also be possible to employ The stroke of contact or touching etc are switched.
The logic circuit of the enabling motion detection device, can be by gate sensor and car sensor group into (as schemed 2), it is also possible to be made up of with electronic component (such as Fig. 3) or/and digital circuit gate sensor and car sensor.
The overspeed testing apparatus, can using the speed limit of mechanical or electronic type, test the speed or exceed the speed limit etc detection means.
The Power switching devices, can be opened using the relay of electromagnetic type, contactor or relay contactor etc power Close device, it would however also be possible to employ solid-state relay or power switching modules of electronic type etc Power switching devices.
The safe stop device, can be using the bidirectional safety tongs of electromechanical or rope brake etc safe stop device.
The beneficial effects of the invention are as follows：The present invention on the basis of enabling mobile security protection device is prevented, get over by only increase Level sensor and overspeed testing apparatus (or using original limiter of speed), you can realize the enabling movement to elevator, rush to summit crouching bottom and The protective effect of hypervelocity, especially slipping rushing to summit or crouching bottom accident of occurring when terraced speed is not up to hypervelocity, only the present invention is Can play a protective role, safeguard protection of the present invention to elevator in terms of operation all realizes duplicate protection, makes making for elevator With more safe and reliable, with it is practical the characteristics of.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the scheme of installation of each sensor of the invention, safety tongs and rope brake.
Fig. 2 is the circuit theory diagrams of first embodiment of the invention.
Fig. 3 is the circuit theory diagrams of second embodiment of the 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. car sensors, 12,13. car sensors Detected material, 14. up enabling zone positions, 15. descending enabling zone positions, 16. get over level sensor, and 17. get on level sensor eventually End detected material, 18. get over terminal detected material, 19. traction machines, 20. rope brakes, 21. counterweights, 22. safety tongs under level sensor.
In Fig. 2, CK1Car (tongue tube) sensor, CK2、CK3Left and right gate (tongue tube) sensor, CK4Offside (dry spring Pipe) sensor, SK limiter of speed speed-limiting switches, D1、D2Fly-wheel diode, J1Relay, J2Contactor, J1-1、J1-2Relay contact Switch, J2-1、J2-2Contacts of contactor is switched, Y1、Y2Left and right safety tongs or rope brake, BJQ alarms, K1Overhaul, test, meet an urgent need Switch, K2Reset switch, V power supplys.
In Fig. 3, H1Car (Hall) sensor, H2Gate (Hall) sensor, H3Offside (Hall) sensor, SK speed limits Device speed-limiting switch, BG1、BG2Control triode, R1、R2Current-limiting resistor voltage divider, D1、D2Fly-wheel diode, J1Relay, J2Contact Device, J1-1、J1-2Relay contact switch, J2-1、J2-2Contacts of contactor is switched, Y1、Y2Left and right safety tongs or rope brake, BJQ alarms Device, K1Maintenance, experiment, emergency button, K2Reset switch, V power supplys.
Specific embodiment
In the present invention, safe stop device, can use patent application number for 2015107405925 " vertical lift electricity Terraced multipurpose Electromgnetic seat lock " or " the vertical lift elevator multi-purpose bidirectional abampere that patent application number is 2015108677293 The bidirectional safety tongs or rope brake that braking action electromechanical can be produced to guide rail or traction steel-cable of full pincers " etc.
In the present invention, to a Detection task, can be completed using single or many sensors.
In the present invention, the position to be limited that more level detecting apparatus are detected, can be upper and lower terminal limit position, It can be the restriction site set according to actual needs in upper and lower terminal.
In the present invention, overspeed testing apparatus, can use two-way overspeed testing apparatus, it would however also be possible to employ two unidirectional super Speed detector composition can detect the overspeed testing apparatus of both direction.The hypervelocity number to be limited of overspeed testing apparatus detection Value, can be the hypervelocity numerical value for specifying, or the hypervelocity numerical value for setting according to actual needs.
In the present invention, the motion detection device that opens the door, more level detecting apparatus and overspeed testing apparatus can be composed in parallel mould Intend or gate logic circuit, when at least one detection means sends control signal, triggering Power switching devices work (such as Fig. 2, figure 3)。
In the present invention, it is preferred to gate sensor, car sensor and the more installation of level sensor and detection method：Can Gate sensor is arranged on car near the appropriate location (in Fig. 1,6) of gate, with the detected material on gate (in Fig. 1,7), after gate closing corresponding (sending " closing the door " signal), or is arranged on suitable on gate by gate sensor As position (in Fig. 1,8), and the detected material (in Fig. 1,9) on car (in Fig. 1,10) or on another fan gate, After gate closing corresponding (sending " closing the door " signal), it is separated (sending " enabling " signal) when gate is opened, may be used also Gate sensor is arranged close to the appropriate location of car door lock, and the detected material on car door lock, in door lock (in Fig. 1, similar to 8,9) corresponding after locking (sending " closing the door " signal), is separated when car door lock is opened and (sends " enabling " signal).Car sensor can be arranged on the appropriate location (in Fig. 1,11) on car, and installed in every layer of elevator In wall fixed object detected material (in Fig. 1,12,13), it is corresponding after car each stop stop layers (in Fig. 1,11,12) (sending " stop layers " signal), or it is up to every layer up enabling zone position (Fig. 1 in the car with advance door opening function In, 14) to (in Fig. 1,15) (i.e. in whole enabling region) during descending enabling zone position it is corresponding (in Fig. 1,11,13) (sending " stop layers " signal), (sending " absciss layer " signal) is separated in car absciss layer or when leaving enabling region.Can be by More level sensor is arranged on the appropriate location (in Fig. 1,16) on car, and in upper and lower terminal hoistway wall fixed object Detected material (in Fig. 1,17,18), it is corresponding when car upstream or downstream reach the position to be limited (to send control Signal).The detected material, is the inductor of proximity sensor or the touching thing of touch switch.Gate sensor, can adopt With single sensor to one fan gate detect mode (in Fig. 1,6,7) (in Fig. 3, H2), also can be using single sensor to two Fan gate detection mode (in Fig. 1,8,9) (in Fig. 3, H2), the side of two fan gates can be also respectively detected using two sensors Formula (in Fig. 1,6,7,8,10) (in Fig. 2, CK2、CK3)。
In the present invention, safety tongs can be arranged on the appropriate location of the car left and right sides, the guide rail phase with the left and right sides It coincide (in Fig. 1,22), or rope brake is arranged on machine bed near the appropriate location of traction steel-cable, with traction steel-cable Match (in Fig. 1,20).Overspeed testing apparatus, the installation requirement that can specify according to its (prior art) product and method are installed.
In preferred embodiment shown in Fig. 2, CK1-CK4Tongue tube sensor (the CK with induced magnet can be used1-CK3 Use normally-closed contact, CK4Using normally opened contact, detected material uses magnetic isolation plate), SK (can be used using limiter of speed speed-limiting switch Normally opened contact), D1、D2Can be using IN4001 etc diode, J1、J2Electromagnetic type relay, contactor, V can be used can be used 5V-6V, J2、Y1、Y2, BJQ can use 220V, 380V.By CK2、CK3Gate Sensor Analog Relay System or gate logic circuit is composed in parallel, Work as CK2Or/and CK3During conducting, " enabling " signal is sent.By car sensor (CK1) and gate sensor (CK2、CK3) series connection group Into simulation AND gate, as car sensor (CK1) and gate sensor (CK2Or/and CK3) conducting when, send control letter Number.
Specific work process：After car normal stop layers, when gate is opened, CK1It is corresponding with detected material, CK1Cut-off, CK2、CK3Separated with detected material, CK2、CK3It is both turned on.After gate normal switching-off, during car absciss layer, CK2、CK3With quilt Detectable substance correspondence, CK2、CK3It is turned off, CK1Separated with detected material, CK1Conducting.Open or press from both sides in gate after car stop layers When ladder or operation are firmly slipped in the case of object, or when car in the case of non-stop layers when opening the door, because of CK1、CK2、 CK3Separated with detected material (or CK2、CK3Have a separation), CK1、CK2、CK3Be both turned on (or CK2、CK3Have a conducting), Therefore J1Work；
When car upstream or downstream are offside, CK4It is corresponding with up or down terminal detected material, CK4Conducting, therefore J1Work；
When car upstream or downstream exceed the speed limit, SK conductings, therefore J1Work；
Work as J1During work, J1-1Safety return circuit is disconnected, traction machine shuts down (or preventing start), while J1-2Closure, J2Work, J2-1Closure, J2Self-locking, J2-2Closure, makes Y1、Y2And BJQ work, stop car, elevator safety.
The CK1-CK4It is corresponding with detected material, it is magnetic isolation plate insertion CK1-CK4Sensing groove in, the CK1-CK4With quilt Detectable substance is separated, and is magnetic isolation plate from CK1-CK4Sensing groove in extract out.
In preferred embodiment shown in Fig. 3, H1-H3Open type (can be used, detected material is used using Hall sensor Magnet), SK can use limiter of speed speed-limiting switch (using normally opened contact), BG1、BG29013 etc NPN triodes, D can be used1、 D2Can be using IN4001 etc diode, R1、R215K Ω -25K Ω resistance, J can be used1、J2Electromagnetic type relay can be used, connect Tentaculum, V can use 5V-6V, J2、Y1、Y2, BJQ can use 220V, 380V.By H1、H2With R1、R2、BG1、BG2Composition simulation and door Logic circuit, works as H1、H2When being turned off, BG1、BG2Base stage is high potential, BG2Conducting sends control signal.
Specific work process：After car normal stop layers, when gate is opened, H1It is corresponding with detected material, H1Conducting, BG1Base Extremely low potential, BG1Cut-off, H2Separated with detected material, H2Cut-off, thus when BG1Cut-off, BG2Base stage is low potential, BG2Cut Only.After gate normal switching-off, during car absciss layer, H2It is corresponding with detected material, H2Conducting, BG2Base stage is low potential, BG2Cut Only, H1Separated with detected material, H1Cut-off, BG1Base stage is high potential, BG1Conducting, thus when H2Conducting, BG2Base stage is still low electricity Position, BG2Still end.When opening or slipping in the case of clamping object ladder or operation in gate after car stop layers, or ought Car when being opened the door in the case of non-stop layers, because of H1、H2Separated with detected material, H1、H2It is turned off, BG1Base stage is height Current potential, BG1Conducting, BG2Base stage is high potential, BG2Conducting, therefore J1Work；
When car upstream or downstream are offside, H3It is corresponding with up or down terminal detected material, H3Conducting, therefore J1Work；
When car upstream or downstream exceed the speed limit, SK conductings, therefore J1Work；
Work as J1During work, J1-1Safety return circuit is disconnected, traction machine shuts down (or preventing start), while J1-2Closure, J2Work, J2-1Closure, J2Self-locking, J2-2Closure, makes Y1、Y2And BJQ work, stop car, elevator safety.
In the present embodiment, H1、H2It is applicable polytype open type sensor.

Claims (6)

1. one kind prevents door-opened elevator from moving offside hypervelocity safety guard, including enabling motion detection device, offside detection Device, overspeed testing apparatus, Power switching devices and safe stop device, it is characterized in that, the enabling motion detection device, bag Gate sensor and detection car stop layers and the car sensor of absciss layer situation that detection gate opens and closes situation are included, is used for " enabling " or " closing the door " signal are sent when gate is turned on and off and sent when car stop layers or absciss layer " stop layers " or " from Layer " signal, also including mainly by gate sensor and car sensor group into logic circuit, for when receiving gate sensing Control signal, the more level detecting apparatus, for working as are sent during " enabling " and " absciss layer " signal that device and car sensor send Car upstream or downstream send control signal, the overspeed testing apparatus, for when car when reaching the position to be limited Row or downstream rate send control signal, the Power switching devices, for when reception when reaching the hypervelocity numerical value to be limited To enabling motion detection device, more level detecting apparatus or/and overspeed testing apparatus send control signal when connect safe stop Installation's power source, the safe stop device, for the stop car when the power supply of Power switching devices is received.
2. it is according to claim 1 to prevent door-opened elevator from moving offside hypervelocity safety guard, it is characterized in that, it is described to open The door gate sensor of motion detection device, car sensor and more level detecting apparatus, can be using photoelectricity, the electricity of proximity Magnetic, inductance, magnetic strength, electric capacity, infrared, ultrasonic wave, tongue tube or Hall etc sensor, it would however also be possible to employ the stroke of contact or Touching etc switch.
3. it is according to claim 1 to prevent door-opened elevator from moving offside hypervelocity safety guard, it is characterized in that, it is described to open The logic circuit of door motion detection device, can by gate sensor and car sensor group into, it is also possible to by gate sensor Constituted with car sensor and electronic component or/and digital circuit.
4. it is according to claim 1 to prevent door-opened elevator from moving offside hypervelocity safety guard, it is characterized in that, it is described super Speed detector, can using the speed limit of mechanical or electronic type, test the speed or exceed the speed limit etc detection means.
5. it is according to claim 1 to prevent door-opened elevator from moving offside hypervelocity safety guard, it is characterized in that, the work( Rate switching device, can be using the relay of electromagnetic type, contactor or relay contactor etc Power switching devices, it is also possible to adopt Solid-state relay or power switching modules with electronic type etc Power switching devices.
6. it is according to claim 1 to prevent door-opened elevator from moving offside hypervelocity safety guard, it is characterized in that, the peace Full stopping device, can be using the bidirectional safety tongs of electromechanical or rope brake etc safe stop device.
CN201611048110.0A 2015-12-11 2016-11-17 Prevent door-opened elevator from moving offside hypervelocity safety guard Pending CN106865373A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2015109387813 2015-12-11
CN201510938781.3A CN105621172A (en) 2015-12-11 2015-12-11 Multifunctional safety control circuit for vertical lifting elevator

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Publication Number Publication Date
CN106865373A true CN106865373A (en) 2017-06-20

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CN201510938781.3A Pending CN105621172A (en) 2015-12-11 2015-12-11 Multifunctional safety control circuit for vertical lifting elevator
CN201611048110.0A Pending CN106865373A (en) 2015-12-11 2016-11-17 Prevent door-opened elevator from moving offside hypervelocity safety guard

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Application Number Title Priority Date Filing Date
CN201510938781.3A Pending CN105621172A (en) 2015-12-11 2015-12-11 Multifunctional safety control circuit for vertical lifting elevator

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109969879A (en) * 2019-04-17 2019-07-05 高宪立 A kind of elevator and control method of the operation of subregion component velocity
CN110626898A (en) * 2018-06-22 2019-12-31 奥的斯电梯公司 Elevator system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108190680A (en) * 2018-03-05 2018-06-22 深圳盛世电梯股份有限公司 A kind of anti-shear of elevator
CN111675060B (en) * 2020-05-25 2021-08-10 佛山市乐联科技有限公司 Elevator abnormity intelligent monitoring and automatic emergency rescue method, device and storage medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110626898A (en) * 2018-06-22 2019-12-31 奥的斯电梯公司 Elevator system
CN109969879A (en) * 2019-04-17 2019-07-05 高宪立 A kind of elevator and control method of the operation of subregion component velocity

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Address after: 250001, room 7, building 1-601, South District, Leshan District, Ji'nan, Shandong

Applicant after: Lu Tianmin

Address before: 812 box 1, box 250116, Ji'nan City, Shandong Province

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Application publication date: 20170620