CN206266031U - A kind of door-opened elevator slides detection locking and electronic over-speed governor circuit system - Google Patents
A kind of door-opened elevator slides detection locking and electronic over-speed governor circuit system Download PDFInfo
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- CN206266031U CN206266031U CN201621263097.6U CN201621263097U CN206266031U CN 206266031 U CN206266031 U CN 206266031U CN 201621263097 U CN201621263097 U CN 201621263097U CN 206266031 U CN206266031 U CN 206266031U
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Abstract
Detection locking and electronic over-speed governor circuit system are slided the utility model discloses a kind of door-opened elevator, including speed limiter wire rope, rope brake, limiter of speed, encoder, control panel etc.；Lift car connects speed limiter wire rope, and speed limiter wire rope bypasses the supporting roller of limiter of speed, and the axle center of supporting roller is connected with the axle center of encoder；The supporting roller positive and negative rotation that limiter of speed is dragged up and down through speed limiter wire rope of lift car, the positive and negative rotation of supporting roller drives encoder positive and negative rotation；Rope brake is used to clamp or unclamp haulage cable, and haulage cable is arranged on by haulage cable, and the actuating signal of rope brake is driven by control panel and exported.It can be in door-opened elevator, and the amount of movement to lift car is detected.When amount of movement when opening the door exceedes set value, send signal carries out braking locking car to elevator；On the other hand, when the translational speed of lift car exceedes set value, also send signal and elevator is braked and is locked car.
Description
Technical field
The utility model is related to elevator and elevator spare and accessory parts field, more particularly to a kind of door-opened elevator slide detection locking and
Electronic over-speed governor circuit system.
Background technology
In current elevator casualty accident, have be much after door-opened elevator car still move.At this moment passenger in elevator
Body part inside lift car, partly in the outside of lift car.And the movement of elevator is just carried out to the body of the passenger
Shear and damage accident.
On the other hand, because mechanical limiter of speed is failure to actuate for a long time in the case of having, because of certain inside mechanical limiter of speed
A little originals thus result in some kinematic pairs and cause action bad by the effect of rust corrosion or oxidation so that mechanical limiter of speed failure；
Opposing electron limiter of speed is not influenceed by oxidation, and service life is also longer；Action and the matter of weight due to mechanical limiter of speed
Amount, rotating speed, kinematic pair frictional resistance it is relevant, the precision of speed limit degree is not high, easily variation；The operation principle of electronic over-speed governor is
The pulse frequency of detection rotary encoder (hereinafter referred to as encoder), frequency only corresponds to the rotating speed of limiter of speed, the rotating speed of limiter of speed
The only translational speed of correspondence car, therefore the rate limitation that will not morph.
After speed exceedes and limits speed, purely mechanic limiter of speed needs the mechanical action time, therefore action has a machinery
Time delay, but when detecting frequency and exceeding of electronic over-speed governor, output locking signal, corresponding compared with mechanical limiter of speed at once
Hurry up.
The content of the invention
The purpose of this utility model is the shortcoming and defect for overcoming above-mentioned prior art, there is provided a kind of simple structure, peace
Complete reliable door-opened elevator slides detection locking and electronic over-speed governor circuit system.It can be in door-opened elevator, to elevator car
The amount of movement in railway carriage or compartment is detected.When amount of movement when opening the door exceedes set value, send signal carries out braking locking sedan-chair to elevator
Railway carriage or compartment.On the other hand, when the translational speed of lift car exceedes set value, also send signal and elevator is braked and is locked sedan-chair
Railway carriage or compartment.
The utility model is achieved through the following technical solutions：
A kind of door-opened elevator slides detection locking and electronic over-speed governor circuit system, including lift car 1, limiter of speed steel wire
Rope 2, rope brake 3, limiter of speed 4, encoder 5, control panel 6, door opening and closing circuit；
The control panel 6 is connected with the opening and closing circuit telecommunication of rope brake 3, encoder 5 and door respectively；
The lift car 1 connects speed limiter wire rope 2, and speed limiter wire rope 2 bypasses the supporting roller of limiter of speed 4, is servo-actuated
The axle center of wheel is connected with the axle center of encoder 5；Lift car 1 up and down through the dragging limiter of speed 4 of speed limiter wire rope 2
Supporting roller positive and negative rotation, the positive and negative rotation of supporting roller drives encoder positive and negative rotation；
The rope brake 3 is used to clamp or unclamp haulage cable, and rope brake 3 is arranged on by haulage cable, folder rope
The actuating signal of device 3 drives output by control panel 6.
The control panel 6 opens detection circuit 19, door and closes inspection circuit 20, encoder input circuit including single-chip microcomputer 24, door
21st, it is positive to lock drive circuit 22, lock and determine drive circuit 23,24V electric power loops 17,5V electric power loops 18；
The 24V electric power loops 17,5V electric power loops 18 are sequentially connected, and 5V electric power loops 18 are that single-chip microcomputer 24 provides direct current
Voltage-stabilized power supply；
The 24V electric power loops 17 are respectively circuits below and directly provide D.C. regulated power supply：Door opens detection circuit 19, door
Close inspection circuit 20, encoder input circuit 21, positive locking drive circuit 22 and lock and determine drive circuit 23；
The door opens detection circuit 19 and door closes input port R11 and the input for checking that circuit 20 connects single-chip microcomputer 24 respectively
Port R12；
The encoder input circuit 21 connects the input port A15 and input port A16 of single-chip microcomputer 24 respectively；
The output port R13 and output port R14 of the single-chip microcomputer 24 connect positive locking drive circuit 22 and lock respectively
Determine drive circuit 23.
Encoder is driven to rotate when lift car is moved, by encoder input circuit input signal to single-chip microcomputer 24
Input port A15 and input port A16.
Single-chip microcomputer 24 is counted to input pulse signal, and the phase signals of A, B two of encoder are supervised mutually judges
Elevator be rise, or decline, or handling be teetertotter.Umber of pulse turning correspondence encoder in unit interval
Dynamic speed, namely the translational speed of speed limiter wire rope has been corresponded to, that is, corresponded to the translational speed of lift car.Work as pulse
When frequency has exceeded preset value, the output of single-chip microcomputer 24 triggering is just locking drive circuit 22 or locking determines drive circuit 23 (depending on compiling
Depending on code device two phase signals A, the phase of B signal) drive output relay.The dry contact output driving of relay rise or under
The rope brake locking lift car of drop.
Similarly, when door opening and closing signal is disconnected, that is, the door for having elevator is opened, and the value of this hour counter is deposited
Storage.New count value is compared with the value of storage, if new count value is changed with the numerical value of storage, may determine that to be electricity
Ladder has slided certain distance.Because each pulse represents certain displacement.When difference exceedes setting value, just signal and drive
Output relay, and control rope brake to lock lift car.
The utility model has the following advantages and effect relative to prior art：
When elevator door is opened, start to be monitored the amount of movement of elevator.Opened when monitoring that lift car is in
Amount of movement is calculated during door state, when amount of movement exceedes certain value, sending drive signal carries out emergency brake to elevator and lock
Determine the movement of elevator；Door detection circuit can recognize the movement that handling cause.On the other hand when the translational speed of lift car exceedes
During limit value, send signal carries out emergency brake to elevator, plays a part of limiter of speed.By two phase signals A, B of encoder
The discriminating of phase can distinguish the motion of both forward and reverse directions, so that the rope brake triggered respectively suitable for two different directions, also may be used
To be applied to the rope brake of single triggering.
Using interruption pulse rising edge flip-flop number technology, counting rate is higher.
Chopping digital control technology is used to displacement identification using Single-chip Controlling, is controlled more accurate.
The traveling time of machinery triggering is eliminated, it is pure electronically controlled, answer speed faster.
Can be slided with limiter of speed function in one with integrated anti-enabling.
Brief description of the drawings
Fig. 1 is that the utility model is electrically connected schematic diagram.
Fig. 2 is the utility model control panel electrical block diagram.
Specific embodiment
The utility model is more specifically described in detail with reference to specific embodiment.
Embodiment
As illustrated in fig. 1 and 2.Detection locking and electronic over-speed governor circuit are slided the utility model discloses a kind of door-opened elevator
System, including lift car 1, speed limiter wire rope 2, rope brake 3, limiter of speed 4, encoder 5, control panel 6, door opening and closing circuit；
The control panel 6 is connected with the opening and closing circuit telecommunication of rope brake 3, encoder 5 and door respectively；
The lift car 1 connects speed limiter wire rope 2, and speed limiter wire rope 2 bypasses the supporting roller of limiter of speed 4, is servo-actuated
The axle center of wheel is connected with the axle center of encoder 5；Lift car 1 up and down through the dragging limiter of speed 4 of speed limiter wire rope 2
Supporting roller positive and negative rotation, the positive and negative rotation of supporting roller drives encoder positive and negative rotation；
The rope brake 3 is used to clamp or unclamp haulage cable, and rope brake 3 is arranged on by haulage cable, folder rope
The actuating signal of device 3 drives output by control panel 6.
The control panel 6 opens detection circuit 19, door and closes inspection circuit 20, encoder input circuit including single-chip microcomputer 24, door
21st, it is positive to lock drive circuit 22, lock and determine drive circuit 23,24V electric power loops 17,5V electric power loops 18；
The 24V electric power loops 17,5V electric power loops 18 are sequentially connected, and 5V electric power loops 18 are that single-chip microcomputer 24 provides direct current
Voltage-stabilized power supply；
The 24V electric power loops 17 are respectively circuits below and directly provide D.C. regulated power supply：Door opens detection circuit 19, door
Close inspection circuit 20, encoder input circuit 21, positive locking drive circuit 22 and lock and determine drive circuit 23；
The door opens detection circuit 19 and door closes input port R11 and the input for checking that circuit 20 connects single-chip microcomputer 24 respectively
Port R12；
The encoder input circuit 21 connects the input port A15 and input port A16 of single-chip microcomputer 24 respectively；
The output port R13 and output port R14 of the single-chip microcomputer 24 connect positive locking drive circuit 22 and lock respectively
Determine drive circuit 23.
Encoder is driven to rotate when lift car is moved, by encoder input circuit input signal to single-chip microcomputer 24
Input port A15 and input port A16.
Utility model works principle is described further below：
Door ON signal can be that independent original detection safety of detection switch series loop, or elevator is returned
Road.
When the car of elevator is moved, speed limiter wire rope 2 will be moved therewith, and then the supporting roller of limiter of speed 4 is rotated,
Encoder is also rotated simultaneously.Control panel 6 detects the change of the pulse of encoder 5.When elevator cab door and all of floor
All under closed mode, door opening and closing circuit turn-on, control panel 6 obtains closing gate signal elevator door.The arteries and veins not to counting of control panel 6
Quantity memory is rushed, the frequency of pulse is only judged.Now only exceed the lock of limit value ability output driving rope brake in pulse frequency
Determine signal.
When the elevator door of elevator cab door or the floor having is all under open mode, door opening and closing circuit disconnects, control
Plate 6 does not obtain closing gate signal.The number of pulses of the counting of control panel 6 pairs are remembered, and the increase of umber of pulse or reduce by more than
The locking signal of output driving rope brake 3 can be triggered during setting value.The detection of pulse frequency is also carried out simultaneously, and pulse frequency surpasses
Also the locking signal of output driving rope brake 3 can be triggered when going out setting value.
Control panel is specifically described below with reference to Fig. 2：
24V electric power loops 17 by elevator power supply system provide DC24V D.C. regulated power supply, this power supply also for input and
The peripheral circuits such as output circuit are powered, while also for 5V electric power loops 18 supply power supply.
5V electric power loops 18 are powered by 24V electric power loops 17, are the D.C. regulated power supply that single-chip microcomputer 24 provides 5V.
Door opens detection circuit 19 110V input terminals and 24V input terminals, by isolation and the conversion single-chip microcomputer of circuit
The input signal of 0V or 5V is input in the input port R11 of single-chip microcomputer.0V is represented and is closed door, and 5V represents enabling.
Preferably, encoder input circuit 21, for encoder provides 24V power supplys and A, the B for encoder
Colelctor electrode output provides pull-up resistor, the input side of centre series connection optocoupler.Optionally, or use differential wave
The encoder of output, uses differential input circuit instead.A, B two that the phase signals of A, B two of encoder are converted to the 5V of interior power believes
Input port A15 mouthfuls and 16 mouthfuls of input port B of single-chip microcomputer number are connected to respectively.
The output port R13 and output port R14 of single-chip microcomputer 24 control just locking drive circuit 22 and locking to determine drive respectively
Dynamic circuit 23.Preferably, lock-in circuit mainly amplifies output current by relay.Wherein positive locking drive circuit 22 is controlled
The folder rope action of positive direction processed, locks the folder rope action for determining the control opposite direction of drive circuit 23.
After the electrification reset of single-chip microcomputer 24, first output port R13 and output port R14 is resetted, how to monitor input at once
Signal.When detecting the pulse frequency that encoder 5 sends and exceeding preset value, output port R13 or output port R14 (depending on
Depending on encoder A, B-phase) drive positive locking drive circuit 22 or lock and determine drive circuit 23, and then it is dynamic to trigger rope brake 3
Make, and locked lift car 1.Or when detecting door-opened elevator, remember and detect the increase of pulse and the quantity of reduction, work as number
When amount exceedes setting value, that is, the amount of movement of lift car 1 exceedes setting value.Same trigger output end mouthful R13 and output end
Mouth R14 (depending on encoder A, B-phase) is just locking drive circuit 22 or locking determines drive circuit 23, and then triggers rope brake
3 actions, and locked lift car.
As described above, just can preferably realize the utility model.
Implementation method of the present utility model is simultaneously not restricted to the described embodiments, and other are any without departing from of the present utility model
Spirit Essence and the change, modification, replacement made under principle, combine, simplify, should be equivalent substitute mode, being included in
Within protection domain of the present utility model.
Claims (3)
1. a kind of door-opened elevator slides detection locking and electronic over-speed governor circuit system, it is characterised in that：Including lift car
(1), speed limiter wire rope (2), rope brake (3), limiter of speed (4), encoder (5), control panel (6), door opening and closing circuit；
The control panel (6) is connected with the opening and closing circuit telecommunication of rope brake (3), encoder (5) and door respectively；
The lift car (1) connects speed limiter wire rope (2), and speed limiter wire rope (2) bypasses the supporting roller of limiter of speed (4),
The axle center of supporting roller is connected with the axle center of encoder (5)；Lift car (1) is dragged up and down through speed limiter wire rope (2)
The supporting roller positive and negative rotation of dynamic limiter of speed (4), the positive and negative rotation of supporting roller drives encoder positive and negative rotation；
The rope brake (3) is arranged on by haulage cable for clamping or unclamping haulage cable, rope brake (3), folder rope
The actuating signal of device (3) is driven by control panel (6) and exported.
2. door-opened elevator slides detection locking and electronic over-speed governor circuit system according to claim 1, it is characterised in that：Institute
State control panel (6) including single-chip microcomputer (24), door open detection circuit (19), door close inspection circuit (20), encoder input circuit
(21) drive circuit (22), is just being locked, is being locked and is determined drive circuit (23), 24V electric power loops (17), 5V electric power loops (18)；
The 24V electric power loops (17), 5V electric power loops (18) are sequentially connected, and 5V electric power loops (18) are provided for single-chip microcomputer (24)
D.C. regulated power supply；
The 24V electric power loops (17) are respectively circuits below and directly provide D.C. regulated power supply：Door opens detection circuit (19), door
Inspection circuit (20), encoder input circuit (21) are closed, drive circuit (22) is just being locked and is being locked and determining drive circuit (23)；
The door opens detection circuit (19) and door is closed and checks circuit (20) the connection single-chip microcomputer input port R11 of (24) and defeated respectively
Inbound port R12；
The encoder input circuit (21) connects the input port A15 and input port A16 of single-chip microcomputer (24) respectively；
The output port R13 and output port R14 of the single-chip microcomputer (24) connect positive locking drive circuit (22) and lock respectively
Determine drive circuit (23).
3. door-opened elevator slides detection locking and electronic over-speed governor circuit system according to claim 1, it is characterised in that：Institute
State door open detection circuit (19) be provided with 110V input conversion port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621263097.6U CN206266031U (en) | 2016-11-24 | 2016-11-24 | A kind of door-opened elevator slides detection locking and electronic over-speed governor circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621263097.6U CN206266031U (en) | 2016-11-24 | 2016-11-24 | A kind of door-opened elevator slides detection locking and electronic over-speed governor circuit system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206266031U true CN206266031U (en) | 2017-06-20 |
Family
ID=59040517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621263097.6U Active CN206266031U (en) | 2016-11-24 | 2016-11-24 | A kind of door-opened elevator slides detection locking and electronic over-speed governor circuit system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206266031U (en) |
-
2016
- 2016-11-24 CN CN201621263097.6U patent/CN206266031U/en active Active
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