CN205973337U - Lift -cabin door leaves accident and prevents device - Google Patents
Lift -cabin door leaves accident and prevents device Download PDFInfo
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- CN205973337U CN205973337U CN201620839647.8U CN201620839647U CN205973337U CN 205973337 U CN205973337 U CN 205973337U CN 201620839647 U CN201620839647 U CN 201620839647U CN 205973337 U CN205973337 U CN 205973337U
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Abstract
The utility model provides a lift -cabin door leaves accident and prevents device, it includes UCMP detecting element, alarm, backup brake ware and the control unit, UCMP detecting element contains the lift -cabin door aperture and detects the module, the brake detects the module and carriage displacement speed detects the module, the control unit input and UCMP detecting element electric connection, it detects the signal to be used for handling the door aperture, the brake detects the signal and displacement speed detects the signal and produces first control signal or second control signal, the control unit's output respectively with alarm and backup brake ware electric connection, the first control signal is used for controing the elevator and normally operates, second control signal is used for driving alarm and sends out police dispatch announcement information, and the transmission cable wire of drive backup brake ware clamping elevator, can effectively avoid taking place because of the great accident that the lift -cabin door is started due to walking.
Description
Technical field
This utility model is related to a kind of elevator door and opens unexpected anti-locking apparatus, and espespecially one kind can be prevented effectively from because of elevator door
Start the elevator safety technology that the major accident caused by walking occurs.
Background technology
With all can regional building stand in great numbers so that lift facility just like become turnover floor indispensable take advantage of load work
Tool.By the Electromechanical Control of lift facility and the running of power drive mechanism, elevator cage can be allowed to carry personnel and arrive at mesh
Stop.Furthermore, in recent years, during the great contingency of elevator, have a what is heard, such elevator contingency reason, mostly with
Cable wire is relatively conventional in the type accident such as sheave skidding and brake actuator failure.Specifically, when cable wire skids in sheave
When, rotary encoder is not rotated with sheave, and cable wire then continues displacement, so that rotary encoder cannot synchronously sense the reality of cable wire
Border displacement, thus results in the erroneous judgement of the Electromechanical Control unit of lift facility, thus there is the layer of compartment pedal and landing
Stand and there is between floor a certain degree of height gap, so that being easier to initiation during personnel turnover compartment to fall into compartment or hoistway；
Or the injured facts of stop floor etc. is fallen into from compartment；The reason as brake actuator failure, be brake lining mostly
Abrasion, brake power transmission shaft tripping spring are tired；Solenoid lost efficacy, release blocks or power transmission shaft blocks etc., and factor causes,
If fault is serious, or even can cause that elevator door leaves and persistently walk in compartment, thus occurring elevator to burst or personnel crash into well
The contingency of the substantial risks such as road；Moreover it is known that lift appliance equipment cannot open fault for door makes fault degree
Classification so that cannot as maintainer or take personnel take reference frame, so being easier to because judging probability liter by accident
The inconvenience on taking passage in elevator caused by height is produced with the puzzlement facts of security concerns.
Edge is, the present utility model people thinks that common structure is not attained perfect really, still has the necessity improved again.In
It is the present utility model people makes great efforts under research and development through continuous, finally develop a set of common structure disappearance of can improving
Technical scheme.
Utility model content
Main purpose of the present utility model, is to provide a kind of elevator door to open unexpected anti-locking apparatus, mainly passes through elevator
Door is opened the detection function of walking failure and is built, and corresponding normal operation can be made according to testing result, door opens warning or tight
The action of anxious brake, starts, because of elevator door, the dangerous accident Probability walking induced fault to reduce, and then hoisting elevator is taken
Safety.
For reaching above-mentioned purpose, this utility model employs the following technical solutions：
Unexpected anti-locking apparatus opened by a kind of elevator door, and including a UCMP detector unit, it comprises one in order to detect in elevator
Door with external door opening degree and produce the elevator door Measuring opening module of a Measuring opening signal, stopping in order to detection braking device
Car on-position and the certain degree of action and produce the brake detection module that brake detects signal, and one in order to detect compartment
Velocity of displacement state and produce the compartment velocity of displacement detection module that velocity of displacement detects signal；
One alarm unit；
One backup brake；And
One control unit, its input detects module and this compartment with this elevator door Measuring opening module, this brake respectively
Velocity of displacement detection module is electrically connected with, in order to process this Measuring opening signal, this brake detection signal and this velocity of displacement
Detect that signal produces one first control signal or at least one second control signal；The outfan of this control unit respectively with this police
Show that unit and backup brake are electrically connected with；This first control signal is in order to the normal operation that operates an elevator；This second control signal
In order to drive this alarm unit to give a warning information, and the transmission rope driving this backup brake clipping elevator.
Further,
The elevator that is produced as of described second control signal occurs door to open walking failure.
Described door open walking failure comprise slightly, moderate and three kinds of grades of severe；In slight grade, described control unit is driven
Move described alarm unit and send the door of slight grade and start and walk warning information, and order about the line within a hoist engine motor of elevator
Circle short circuit, makes compartment force because electromagnetic brake acts on to stop；In moderate grade, described control unit drives described alarm unit
The door sending moderate grade is started and is walked warning information, and drives described backup brake with the transmission rope of clipping elevator；Yu Chong
Degree grade, described control unit drives the door that described alarm unit sends severe grade to start and walks warning information, and drives described
Backup brake is with the transmission rope of clipping elevator.
Described elevator door Measuring opening module comprises plural stop door folding switches set and car door folding switches set, institute
State a Measuring opening signal and comprise the stop door folding condition signal that each stop door folding switches set is provided, and this car door is opened
The car door folding condition signal that combination switch group device is provided；It is dynamic in order to produce described brake that described brake detection module comprises one
Make the brake detection switch group of detection signal；Described compartment velocity of displacement detection module comprises a rotary encoder, this rotation
Encoder is in order to produce the coding signal being available for obtaining car position and speed.
Described UCMP detector unit also comprises one in order to detect the action when confirming operation state produces of the door of elevator
The door side confirming operation detection module of detection signal.
Described UCMP detector unit also comprises one and produces, in order to detect motor condition, the motor condition that motor detects signal
Detection module.
Described UCMP detector unit also comprises one in order to detect this compartment and to arrive between stop floor with the presence or absence of threshold
Distance and produce threshold detect signal building flat degree detecting module.
The flat degree detecting module in described building comprises position-sensing switch group and the rotary encoder of each stop, described threshold detection
Signal comprises stop location signal that each position-sensing switch group provided and the coding signal that this rotary encoder is provided.
The utility model has the advantages that：
Device of the present utility model can reduce starts the dangerous accident Probability walking induced fault, Jin Erti because of elevator door
The safety that jacking elevator is taken.
Brief description
Fig. 1 is that the function block of first embodiment of the present utility model implements schematic diagram.
Fig. 2 is that the function block of second embodiment of the present utility model implements schematic diagram.
Fig. 3 is the enforcement schematic diagram of first embodiment fuzzy control operation of the present utility model.
Fig. 4 is the enforcement schematic diagram of second embodiment fuzzy control operation of the present utility model.
Fig. 5 be elevator of the present utility model run be embodied as schematic diagram.
Specific embodiment
It is to allow your auditor can further appreciate that overall technology feature of the present utility model and the skill reaching this new purpose
Art means, hereby with specific embodiment and to coordinate accompanying drawing to be described in detail as follows：
Refer to Fig. 1,3 and Fig. 5 and show first embodiment of the present utility model, including UCMP detector unit 10, control
The technical characteristics such as unit 20, alarm unit 30 and backup brake 40.UCMP detector unit 10 comprises an elevator door Measuring opening
Module 11, one brake detection module 12 and a compartment velocity of displacement detection module 13.Elevator door Measuring opening module 11 is in order to examine
Survey inside door and the external door opening degree of elevator 1 and produce a Measuring opening signal.Brake detection module 12 is in order to detection braking device
The skidding state of 1b and the certain degree of action and produce brake detection signal.Compartment velocity of displacement detection module 13 is used
Produce velocity of displacement detection signal with detection compartment velocity of displacement state.Control unit 20 is (as microprocessor, microcontroller
MCU；Or FPGA) input respectively with elevator door Measuring opening module 11, brake detection module 12 and compartment velocity of displacement
Detection module 13 is electrically connected with, and produces in order to process a Measuring opening signal, brake detection signal and velocity of displacement detection signal
Raw one first controls signal or at least one second control signal；The outfan of control unit 20 respectively with alarm unit 30 and standby
Brake 40 is electrically connected with；First controls signal in order to 1 normal operation that operates an elevator；Second control signal is in order to drive warning single
Unit 30 gives a warning information, and drives the transmission rope 1a of backup brake 40 clipping elevator 1.
In general, when the generation opportunity of described second control signal is that elevator 1 occurs door to open walking failure.Again please
Referring to shown in Fig. 1, control unit 20 also comprises one and starts, in order to record door, the information bank 60 walking warning information；Specifically, control
Door Measuring opening signal, brake detection signal and velocity of displacement detection signal are mainly sequentially converted to a unlatching by unit 20 processed
Execute calculation process after the information such as degree, brake, compartment velocity of displacement, and operation result is done with door and open walking failure and wait
The judgement of level, when judged result assert that elevator 1 occurs the door of severe grade to open walking failure, then passes through to drive module 50 to drive
The door that alarm unit 30 sends severe grade is started and is walked warning information, and drives backup brake 40 to press from both sides by driving module 50
The transmission rope 1a of elevator 1 processed, makes elevator 1 force to stop and be in dead status.Separately, when control unit 20 judges 1, elevator
When the door of raw moderate grade opens walking failure, the door that alarm unit 30 sends moderate grade is driven to start by driving module 50
Warning information, and drive backup brake 40 with the transmission rope 1a of clipping elevator 1 by driving module 50.Also, it is single when controlling
When unit 20 judgement elevator 1 occurs the door of slight grade to open walking failure, then pass through to drive module 50 to drive alarm unit 30 to send
The door of slight grade is started and is walked warning information, and orders about the coil within hoist engine motor of elevator 1 and form short circuit, makes compartment 1c
Reach the purpose forcing to stop because of electromagnetic brake effect.
Deep says, above-mentioned elevator door Measuring opening module 11 comprises plural stop door folding switches set and car door is opened
Combination switch group, door Measuring opening signal comprises the stop door folding condition signal that each stop door folding switches set is provided, and car
The car door folding condition signal that railway carriage or compartment door folding switches set device is provided.It is dynamic in order to produce brake that brake detection module 12 comprises one
Make the brake detection switch group of detection signal；This compartment velocity of displacement detection module 13 comprises a rotary encoder, this rotation
Encoder is in order to produce the coding signal being available for that control unit 20 obtains compartment 1c position and speed.Refer to the reality shown in Fig. 1
Apply example, also comprise an information bank 60, when elevator 1 occur door open walking failure when, control unit 20 then by each detection signal and
Door produced by judged result is started to walk warning information and be recorded in information bank 60.
Refer to Fig. 2,4 and Fig. 5 and show second embodiment of the present utility model, the present embodiment and above-mentioned first embodiment
Technical Architecture roughly the same, technological disparity is, the UCMP detector unit 10 shown in the present embodiment is except comprising above-mentioned electricity
Outside terraced door Measuring opening module 11, brake detection module 12 and compartment velocity of displacement detection module 13, also comprise a side and move
Make to confirm detection module 14, a motor condition detection technical characteristic such as module 15 and Stall flat degree detecting module 16.Men Biandong
Make to confirm detection module 14 in order to detect the door of an elevator 1 motion detection signal when confirming operation state produces, using as
Judge whether 1 side of elevator has the foundation that barrier or personnel stop, this side confirming operation detection module 14 can be machinery
Formula carries out (i.e. safety door side) safely；Or electronic type infrared safety door shoe (i.e. safe light curtain).Detect mould as motor condition
Group 15 is then used to detect motor condition and produces motor detection signal, and motor condition detection module 15 comprises a signal transmission
Module and a voltage/current sensing circuit.Signal transmission module is in order to transmit and to capture horse produced by an Electromechanical Control unit
Reach signal transmission module (as RS-232 or USB) of rate controlling instruction；Further, it is necessary to explanation, when control unit 20 replacement electricity
During the Electromechanical Control unit that ladder 1 is original to be built, then can omit signal and transmit the building, because only needing by control unit 20 of module
Direct solution can read the various rate controlling instructions detecting signals, elevator operating parameters and motor.On the other hand, voltage/current
Sensing circuit is in order to sense the voltage/current sense of the voltage/current state of motor (as hoist engine motor OR gate derailing switch motor)
Slowdown monitoring circuit, using the monitoring purposes as motor power.
Then it is used to detect compartment 1c as building flat degree detecting module 16 and arrive between stop floor with the presence or absence of door
Sill distance and produce threshold distance detection signal, when elevator 1 stop arrive at purpose stop when, this control unit 20 read Lou Pingcheng
Degree detection signal simultaneously judges elevator cage 1c and arrives at the presence or absence of threshold distance between stop floor, when judged result is yes,
Alarm unit 30 is then driven to send one with threshold apart from corresponding threshold abnormality warnings information, when threshold distance is more than a danger valve
During value, then the inside and outside door of positive closing elevator 1, and drive alarm unit 30 to send a threshold falling hazard information, put down as building
Degree detecting module 16 is then the position-sensing switch group and rotary encoder comprising each stop, and it is each fixed that this threshold detection signal comprises
The stop location signal that bit switch group is provided, and the coding signal that rotary encoder is provided.
In a kind of embodiment of concrete running, when brake lining pad wear, the brake power transmission shaft braking bullet of brake 1b
When spring is tired, solenoid lost efficacy, release blocks or power transmission shaft blocks and causes brake 1b brake failure, due to most
When elevator cage 1c arrives at purpose stop, elevator door can automatically turn on mostly, elevator door then can be caused to hold and compartment 1c continue
The accident of walking, now, elevator door Measuring opening module 11 then will detect that elevator door is opening, brake detection mould
Group 12 then will detect that brake 1b is skidding state or action certain degree abnormality；When the detection of compartment velocity of displacement
When module 13 detects compartment 1c for abnormal fast offset state (cruelly rushing upwards), above-mentioned detection signal is transported through control unit 20
Judge after calculation that elevator 1 occurs the door of severe grade to open walking failure, now, control unit 20 then can be driven in the very first time immediately
Dynamic alarm unit 30 sends the failure warning information of severe grade, drives backup brake 40 (i.e. rope brake) clipping immediately simultaneously
The transmission rope 1a of elevator 1, makes elevator 1 force to stop and be in dead status, in this, you can to avoid moving institute because elevator door drives away
The elevator causing bursts or personnel crash into the contingency of the substantial risks such as hoistway；In the same manner, when compartment 1c velocity of displacement detects mould
Group 13 detect compartment 1c arrive at after purpose stop still persistent anomaly at a slow speed displacement when, control unit 20 after computing, then can be sentenced
Determining elevator 1 occurs the door of moderate grade to open walking failure, equally drives alarm unit 30 to send moderate etc. immediately in the very first time
The failure warning information of level, and drive the transmission rope 1a of backup brake 40 (i.e. rope brake) clipping elevator 1 immediately, make elevator
1 forces to stop and is in dead status；In addition, when compartment velocity of displacement detects that module 13 detects that compartment 1c arrives at purpose
When still stopping after the slow displacement of persistent anomaly after stop, control unit 20 after computing, that is, judges that elevator 1 occurs slight grade
Door opens walking failure, and drives alarm unit 30 immediately in the very first time, to send the failure warning information of slight grade；Immediately
, control unit 20 then can read building flat degree detecting signal and judge whether elevator cage 1c and arriving at deposits between stop floor
Can operational range threshold distance, when judged result is yes, then drive alarm unit 30 to send one with threshold apart from corresponding
Threshold abnormality warnings information, in this, you can notifies maintainer to go to maintenance, but before maintenance, then must during taking passage in elevator
The state of high alert must be kept, till elevator 1 keeps in repair properly；In addition, when threshold distance exceedes hazard threshold, then by force
System closes the inside and outside door of elevator 1, and drives alarm unit 30 to send a threshold falling hazard information, forces elevator 1 to stop simultaneously
With.
In addition to above-mentioned factor causes door to open walking failure, when door closers,door openers or the compartment door closers,door openers fault of each stop
When, the facts that door holds walking failure still can be caused to produce, control unit 20 equally can be carried out decision gate according to door opening degree and open
The fault level of walking failure.
Refer to Fig. 3,4 be shown as one of which possible embodiments of the present utility model, the control unit 20 of the present embodiment can
To be a kind of enforcement Technical Architecture including fuzzy operation module 21 and judging module 22, wherein, fuzzy operation module can be by
Aforesaid each detection signal executes fuzzy operation after being converted to Indistinct Input parameter, judges module 22 according to fuzzy operation result
Judged, and then exported judged result information.Furthermore, the ambiguity described by fuzzy control theory is subjection degree
On uncertain for, and can be expressed by membership function (member-ship function).Furthermore, control unit 20
Fuzzy theory is framework based on fuzzy set (fuzzy set), and various detection signals can be quantized into control unit 20
Manageable message, fuzzy operation module as shown in Figure 3 is by door Measuring opening signal, brake detection signal and car
It is defeated that railway carriage or compartment velocity of displacement detection signal is sequentially quantified as an aperture |input paramete, brake |input paramete and compartment velocity of displacement
Enter parameter, and the default operating parameters or control flag together executes fuzzy control operation with elevator 1 simultaneously, judge module 22
Again according to fuzzy control operation result execution include door start walk fault level, whether record, whether alert, whether elevator disables
And whether start backup brake 40.In addition, door Measuring opening is then interrogated by fuzzy operation module 21 as shown in Figure 4
Number, brake detection signal, compartment velocity of displacement detection signal, door side motion detection signal, threshold distance detection signal with
And motor condition detection signal is sequentially quantified as an aperture |input paramete, brake |input paramete, the input of compartment velocity of displacement
Parameter, door side confirming operation |input paramete, building flat degree |input paramete and voltage/current feedback |input paramete, and simultaneously with
Default operating parameters of elevator 1 or control flag together executes fuzzy control operation, judge module 22 again according to fuzzy control
Operation result carry out starting including door fault level, whether record, whether alert, whether whether elevator 1 disable and start
Backup brake 40.
The above, the only possible embodiments of this utility model one of which, it is not limited to this practicality new
The scope of the claims of type, other changes that all acts according to the content described in following claims item, feature and its spirit are
Equivalence enforcement, all should be contained in the scope of the claims of the present utility model.This utility model is specifically defined in claim
Architectural feature, is not found in ware, and has practicality and progressive, has met new patent important document, and mere formality proposes in accordance with the law for whence
Application, core gives patent in accordance with the law, to safeguard the legitimate rights and interests of the applicant sincerely to ask an ancient unit of weight office.
Claims (8)
1. elevator door leaves unexpected anti-locking apparatus it is characterised in that including：
One UCMP detector unit, it comprises one and produces a Measuring opening news in order to detect the inside door of elevator and external door opening degree
Number elevator door Measuring opening module, one produce car in order to car on-position and the certain degree of action of detection braking device
Module is surveyed in the car test of motion detection signal, and one produces velocity of displacement detection signal in order to detect compartment velocity of displacement state
Compartment velocity of displacement detection module；
One alarm unit；
One backup brake；And
One control unit, its input surveys module and this compartment displacement with this elevator door Measuring opening module, this car test respectively
Velocity measuring module is electrically connected with, in order to process this Measuring opening signal, this car motion detection signal and this velocity of displacement
Detect that signal produces one first control signal or at least one second control signal；The outfan of this control unit respectively with this police
Show that unit and backup brake are electrically connected with；This first control signal is in order to the normal operation that operates an elevator；This second control signal
In order to drive this alarm unit to give a warning information, and the transmission rope driving this backup brake clipping elevator.
2. elevator door according to claim 1 opens unexpected anti-locking apparatus it is characterised in that described second controls the product of signal
Life occurs door to open walking failure for elevator.
3. elevator door according to claim 2 opens unexpected anti-locking apparatus it is characterised in that described door opens walking failure comprises
Slightly, moderate and three kinds of grades of severe；In slight grade, described control unit drives described alarm unit to send slight grade
Door is started and is walked warning information, and orders about a coil short hoist engine motor within of elevator, makes compartment because of the effect of electromagnetism car
And force to stop；In moderate grade, described control unit drives the door that described alarm unit sends moderate grade to start and walks warning
Information, and drive described backup brake with the transmission rope of clipping elevator；In severe grade, described control unit drives described
The door that alarm unit sends severe grade is started and is walked warning information, and drives described backup brake with the transmission steel of clipping elevator
Rope.
4. elevator door according to claim 1 opens unexpected anti-locking apparatus it is characterised in that described elevator door Measuring opening mould
Group comprises plural stop door folding switches set and car door folding switches set, and described door Measuring opening signal comprises each stop door
The stop door folding condition signal that folding switches set is provided, and the car door folding that this car door folding switches set device is provided
Status command signal；Described car test is surveyed module and is comprised one in order to produce the brake detection switch of described car motion detection signal
Group；Described compartment velocity of displacement detection module comprises a rotary encoder, and this rotary encoder is available for obtaining compartment in order to produce
Position and the coding signal of speed.
5. elevator door according to claim 1 open unexpected anti-locking apparatus it is characterised in that described UCMP detector unit also
Comprise one in order to detect the door side confirming operation detection of the door of an elevator motion detection signal when confirming operation state produces
Module.
6. elevator door according to claim 1 opens unexpected anti-locking apparatus it is characterised in that described UCMP detector unit is also wrapped
Produce the motor condition detection module that motor detects signal containing one in order to detect motor condition.
7. elevator door according to claim 1 opens unexpected anti-locking apparatus it is characterised in that described UCMP detector unit is also wrapped
Containing one in order to detect this compartment and arrive between stop floor whether there is threshold distance and produce threshold detect signal building put down
Degree detecting module.
8. elevator door according to claim 7 opens unexpected anti-locking apparatus it is characterised in that described building flat degree detecting module
Comprise position-sensing switch group and the rotary encoder of each stop, described threshold detection signal comprises what each position-sensing switch group was provided
The coding signal that stop location signal and this rotary encoder are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620839647.8U CN205973337U (en) | 2016-08-04 | 2016-08-04 | Lift -cabin door leaves accident and prevents device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620839647.8U CN205973337U (en) | 2016-08-04 | 2016-08-04 | Lift -cabin door leaves accident and prevents device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205973337U true CN205973337U (en) | 2017-02-22 |
Family
ID=58029133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620839647.8U Expired - Fee Related CN205973337U (en) | 2016-08-04 | 2016-08-04 | Lift -cabin door leaves accident and prevents device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205973337U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106946115A (en) * | 2017-05-16 | 2017-07-14 | 日立电梯（中国）有限公司 | Elevator brake system |
| CN111268539A (en) * | 2018-12-05 | 2020-06-12 | 东芝电梯株式会社 | Foreign matter detection system of elevator |
-
2016
- 2016-08-04 CN CN201620839647.8U patent/CN205973337U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106946115A (en) * | 2017-05-16 | 2017-07-14 | 日立电梯（中国）有限公司 | Elevator brake system |
| CN106946115B (en) * | 2017-05-16 | 2019-06-04 | 日立电梯（中国）有限公司 | Elevator brake system |
| CN111268539A (en) * | 2018-12-05 | 2020-06-12 | 东芝电梯株式会社 | Foreign matter detection system of elevator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20200804 |
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| CF01 | Termination of patent right due to non-payment of annual fee |