CN109534120A - A kind of accidental movement of elevator cage protective device apparatus safe property checking device and detection method - Google Patents
A kind of accidental movement of elevator cage protective device apparatus safe property checking device and detection method Download PDFInfo
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- CN109534120A CN109534120A CN201811518305.6A CN201811518305A CN109534120A CN 109534120 A CN109534120 A CN 109534120A CN 201811518305 A CN201811518305 A CN 201811518305A CN 109534120 A CN109534120 A CN 109534120A
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- elevator
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- trigger
- accidental movement
- signal processing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The present invention relates to a kind of accidental movement of elevator cage protective device apparatus safe property checking devices, including fuselage, velocity measuring module, signal processing module, trigger module, display module；Velocity measuring module, trigger module, display module connect with signal processing module；Velocity measuring module is used to detect the speed of service and braking distance of carriage；Trigger module is used to trigger the disconnection of elevator safety loop；The signal of signal processing module acquisition and processing speed detection module and trigger module, obtains testing result, and the results are shown on display module.Further relate to a kind of detection method of accidental movement of elevator cage protective device apparatus safe property checking device.The detection of accidental movement of elevator cage protective device security performance can be rapidly completed in the present invention, easy to operate, and detection accuracy is high, belong to elevator safety detection technique field.
Description
Technical field
The present invention relates to elevator safety detection techniques, and in particular to a kind of accidental movement of elevator cage protective device safety
It can detection device and detection method.
Background technique
With China's rapid development of economy, people's lives level is continuously improved, and elevator has become the daily life of people
The common vehicles living of going on a journey.While bringing huge convenient to people's trip, safety accident caused by elevator also when have
Occur.Some accidents cause the very big fear of society by the propagation of news media.How to ensure the safety of elevator, meets
People need the good life that safety is gone on a journey, and become the problem of government department increasingly pays close attention to.
In enabling, lift car occurs accidental movement and easily personnel is caused to shear accident.In July, 2015 is sent out
The single requirement of No. 1 modification of national standard " elevator manufacture with installation safety standard " GB7588-200 of cloth: elevator floor door not by
In the case that latching and gate are not turned off, since car safety runs any of relied on driving host or driving control system
Single element failure causes carriage to leave the accidental movement of stop, and unintended car movement protection device should be able to prevent the movement or make
It is mobile to stop.According to " elevator surveillance is examined and periodic inspection rule-traction and forcibly driving elevator " TSG T7001-2009 the
No. 2 modifications singly require, and elevator is when carrying out installation supervision and inspection and periodic inspection, it is necessary to carry out unintended car movement protection device
Test, test requirements document are as follows: carriage simultaneously triggers stop in hoistway overhead zero load, the test speed uplink provided with type approval test certificate
Component can be such that elevator stops using only stop component, and the moving distance of carriage is in the range of type approval test certificate provides.
The inspection that unintended car movement protection device is tested by inspection body both at home and abroad at present mainly uses labelling method.It will be empty
It carries carriage and is parked in hoistway overhead, production marks and determine reference position on moving component related with elevator car position, will
Carriage, which moves down, makes label leave reference position certain distance, then makes lift car with test speed uplink, when label and
Disconnect safety return circuit when reference position is concordant, trigger stop component, stop carriage, measurement markers between reference position at a distance from obtain
The distance moved to lift car.Using labelling method examine the main problems are as follows: 1, it is inconvenient for operation, especially
When test speed is larger, it is difficult to control elevator in mark position disconnection safety return circuit；2, examine error big, completely by artificially sentencing
On the opportunity that disconnected safety circuit disconnects, there is very big error.
Summary of the invention
For the technical problems in the prior art, the object of the present invention is to provide a kind of accidental movement of elevator cage
Protective device apparatus safe property checking device and detection method, by portable instrument directly to unintended car movement protection device
Safety is detected.This compensates for traditional detection means deficiency to apparatus safe property checking device, and realization surprisingly moves lift car
The detection of dynamic protective device security performance, and measurement result is directly displayed by display module, it is convenient to carry, and improves and examines essence
Degree and efficiency ensure passenger's boarding safety.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of accidental movement of elevator cage protective device apparatus safe property checking device, including fuselage, velocity measuring module, letter
Number processing module, trigger module, display module；Velocity measuring module, trigger module, display module with signal processing module phase
It connects；Velocity measuring module is used to detect the speed of service and braking distance of carriage；Trigger module is for triggering elevator safety loop
Disconnection；The signal of signal processing module acquisition and processing speed detection module and trigger module obtains testing result, and will
As the result is shown on the display module.
As a preference, velocity measuring module includes idler wheel, shaft coupling and rotary encoder；Idler wheel and rotary encoder
It is connected by shaft coupling；Idler wheel and shaft coupling are located at outside fuselage, and rotary encoder is located in fuselage, at rotary encoder and signal
Reason module connects.
As a preference, shaft coupling is yielding coupling.
As a preference, trigger module includes automatic trigger module and manual trigger module.
As a preference, automatic trigger module includes relay, electrical terminal；Relay is located in fuselage, electrical terminal position
In outside fuselage, fuselage is equipped with automatic trigger connector；The coil and signal processing module of relay connect, the contact of relay
Connect with automatic trigger connector, automatic trigger connector connects with electrical terminal, and electrical terminal accesses safety return circuit.
As a preference, manual trigger module is trigger switch, trigger switch is located at outside fuselage；Fuselage is equipped with manual
Trigger connector；Triggering connector connects with signal processing module manually, triggers connector manually and connects with manual trigger module；
Trigger switch presses elevator emergency stop switch.
As a preference, display module is touch screen, it is installed on the surface of fuselage.
A kind of detection method of accidental movement of elevator cage protective device apparatus safe property checking device, comprising the following steps:
(1) open apparatus safe property checking device, input be detected elevator traction ratio and test speed, select manual triggering mode or
Automatic trigger mode；(2) idler wheel is tightly attached on the wirerope of elevator；(3) opening elevator, idler wheel with elevator wirerope
Movement, rotary encoder start to generate pulse signal, signal processing module acquisition and processing pulse signal, and elevator is real-time
Speed is shown on the display module；(4) velocity amplitude on display module is observed, when elevator reaches carriage accidental movement test speed
When, safety return circuit is disconnected, signal processing module starts to calculate the braking distance of elevator；(5) elevator is protected in carriage accidental movement
Out of service under the action of device, signal processing module terminates the calculating to elevator stopping distance, obtains testing result, and show
Show on the display module.
As a preference, automatic trigger mode includes the following steps: that one end of electrical terminal is connected to automatic trigger by (1)
On connector, the other end is connected in series in elevator safety loop；(2) when elevator speed is not up to the test speed set, relay
Contact be in closed state, elevator safety loop is in an ON state；(3) when elevator speed reaches the test speed of setting,
Signal processing module issues signal, and the contact of relay switchs to off-state by closed state, and elevator safety loop is disconnected.
As a preference, manual triggering mode includes the following steps: that manual trigger module is connected to manual triggering by (1)
On connector, and by manual trigger module perpendicular alignmnet elevator emergency stop switch；(2) elevator observed on display module is fast in real time
Angle value, when elevator speed reaches test speed, rapidly by manual trigger module vertical pressing elevator emergency stop switch, elevator safety
Circuit is disconnected.
Generally speaking, the present invention has the advantage that
1. it is small in size, it is easy to carry.
2. directly displaying measurement result by display module, improves the working efficiency of testing staff, reduces labor intensity.
3. measurement accuracy is high, the brings measurement errors such as artificial observation are eliminated.
4. filled up blank in the market, improve quality supervision industry science and technology and equipment, to ensure elevator safety operation and
Passenger's personal safety is of great significance, and has positive impetus to the development of entire quality supervision cause.
5. structure is simple, easy to operate, detection can be rapidly completed.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of apparatus safe property checking device.
Fig. 2 is the external structure schematic diagram of apparatus safe property checking device.
Fig. 3 is the working principle diagram of signal processing module.
Wherein, 1 is fuselage, and 2 be velocity measuring module, and 3 be signal processing module, and 4 be trigger module, and 5 be display module,
6 be automatic trigger connector, and 7 be triggering connector manually.
21 be idler wheel, and 22 be shaft coupling, and 23 be rotary encoder.
41 be automatic trigger module, and 42 be manual trigger module, and 411 be relay, and 412 be electrical terminal.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described in detail.
A kind of accidental movement of elevator cage protective device apparatus safe property checking device, including fuselage, velocity measuring module, letter
Number processing module, trigger module, display module；Velocity measuring module, trigger module, display module with signal processing module phase
It connects.
Velocity measuring module is used to detect the speed of service and braking distance of carriage.Velocity measuring module includes idler wheel, connection
Axis device and rotary encoder；Idler wheel is connected with rotary encoder by shaft coupling；Idler wheel and shaft coupling are located at outside fuselage, and rotation is compiled
Code device is located in fuselage, and rotary encoder connects with signal processing module.Shaft coupling is yielding coupling.When operation, idler wheel is tight
The wirerope of elevator is pasted, idler wheel is rotated with the translation of wirerope, and the rotation of idler wheel is transmitted to rotary encoder, the every rotation of idler wheel
One circle, rotary encoder generate 500 pulse signals.Signal processing module is obtained according to the pulse signal acquired in the unit time
The speed of idler wheel is obtained to the angular velocity omega of idler wheel, then by angular velocity omega × idler wheel radius R.Signal processing module receives
Stop signal starts acquisition pulse signal, stops acquisition, pulse number N ÷ 500 × idler wheel week of acquisition when elevator stops
Long S obtains braking distance.
Trigger module is used to trigger the disconnection of elevator safety loop.Trigger module includes automatic trigger module and triggering manually
Module selects a selection.
Automatic trigger module includes relay, electrical terminal；Relay is located in fuselage, and electrical terminal is located at outside fuselage, fuselage
It is equipped with automatic trigger connector；The coil and signal processing module of relay connect, and the contact of relay and automatic trigger connect
Interface connects, and automatic trigger connector connects with electrical terminal, electrical terminal series connection access safety return circuit.When operation, according to elevator speed
Whether degree reaches test speed, by the closing or opening of the contact of signal processing module control relay, to control elevator peace
The on-off of full loop.
Manual trigger module is trigger switch, and trigger switch is located at outside fuselage；Fuselage is equipped with triggering connector manually；Hand
Dynamic triggering connector connects with signal processing module, triggers connector manually and connects with manual trigger module；Trigger switch pressing
Elevator emergency stop switch.When operation, directly reads whether elevator reaches test speed by display module, trigger switch is manually operated,
Manual trigger module vertical pressing elevator emergency stop switch, to control the on-off of elevator safety loop.
The signal of signal processing module acquisition and processing speed detection module and trigger module, obtains testing result, and
The results are shown on display module.Signal processing module uses single-chip microcontroller.
Display module is touch screen, is installed on the surface of fuselage.
A kind of detection method of accidental movement of elevator cage protective device apparatus safe property checking device, using automatic trigger side
When formula, include the following steps:
Step 1: one end of electrical terminal being connected on automatic trigger connector, the other end is connected in series to elevator safety loop
In；
Step 2: opening apparatus safe property checking device, input the traction ratio and test speed for being detected elevator, selection is automatic
Triggering mode；
Step 3: idler wheel is tightly attached on the wirerope of elevator；
Step 4: opening elevator, idler wheel are moved with the wirerope of elevator, and rotary encoder starts to generate pulse signal,
Signal processing module acquisition and processing pulse signal, and elevator real-time speed is shown on the display module；
Step 5: when elevator speed is not up to the test speed set, the contact of relay is in closed state, elevator peace
Full loop is in an ON state；
Step 6: when elevator reaches carriage accidental movement test speed, signal processing module issues signal, relay
Contact switchs to off-state by closed state, and elevator safety loop is disconnected, and signal processing module starts to calculate the stop of elevator
Distance；
Step: 7: elevator is out of service under the action of unintended car movement protection device, and signal processing module terminates pair
The calculating of elevator stopping distance obtains testing result, and shows on the display module.
A kind of detection method of accidental movement of elevator cage protective device apparatus safe property checking device, using manual triggering side
When formula, include the following steps:
Step 1: trigger switch being connected on triggering connector manually, and by trigger switch perpendicular alignmnet elevator emergency stop
Switch；
Step 2: opening apparatus safe property checking device, input the traction ratio and test speed for being detected elevator, selection is manual
Triggering mode；
Step 3: idler wheel is tightly attached on the wirerope of elevator；
Step 4: opening elevator, idler wheel are moved with the wirerope of elevator, and rotary encoder starts to generate pulse signal,
Signal processing module acquisition and processing pulse signal, and elevator real-time speed is shown on the display module；
Step 5: the velocity amplitude on observation display module, when elevator speed reaches test speed, rapidly by trigger switch
Vertical pressing elevator emergency stop switch, elevator safety loop are disconnected, and signal processing module starts to calculate the braking distance of elevator；
Step 6: elevator is out of service under the action of unintended car movement protection device, and signal processing module terminates to electricity
The calculating of terraced braking distance obtains testing result, and shows on the display module.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of accidental movement of elevator cage protective device apparatus safe property checking device, it is characterised in that: examined including fuselage, speed
Survey module, signal processing module, trigger module, display module；Velocity measuring module, trigger module, display module are and signal
Processing module connects；
Velocity measuring module is used to detect the speed of service and braking distance of carriage；
Trigger module is used to trigger the disconnection of elevator safety loop；
The signal of signal processing module acquisition and processing speed detection module and trigger module obtains testing result, and will knot
Fruit shows on the display module.
2. a kind of accidental movement of elevator cage protective device apparatus safe property checking device described in accordance with the claim 1, feature
Be: velocity measuring module includes idler wheel, shaft coupling and rotary encoder；Idler wheel is connected with rotary encoder by shaft coupling；
Idler wheel and shaft coupling are located at outside fuselage, and rotary encoder is located in fuselage, and rotary encoder connects with signal processing module.
3. a kind of accidental movement of elevator cage protective device apparatus safe property checking device according to claim 2, feature
Be: shaft coupling is yielding coupling.
4. a kind of accidental movement of elevator cage protective device apparatus safe property checking device described in accordance with the claim 1, feature
Be: trigger module includes automatic trigger module and manual trigger module.
5. a kind of accidental movement of elevator cage protective device apparatus safe property checking device according to claim 4, feature
Be: automatic trigger module includes relay, electrical terminal；Relay is located in fuselage, and electrical terminal is located at outside fuselage, sets on fuselage
There is automatic trigger connector；The coil and signal processing module of relay connect, the contact of relay and automatic trigger connector
Connect, automatic trigger connector connects with electrical terminal, and electrical terminal accesses safety return circuit.
6. a kind of accidental movement of elevator cage protective device apparatus safe property checking device according to claim 4, feature
Be: manual trigger module is trigger switch, and trigger switch is located at outside fuselage；Fuselage is equipped with triggering connector manually；Manually
Triggering connector connects with signal processing module, triggers connector manually and connects with manual trigger module；Trigger switch presses piezoelectricity
Terraced emergency stop switch.
7. a kind of accidental movement of elevator cage protective device apparatus safe property checking device described in accordance with the claim 1, feature
Be: display module is touch screen, is installed on the surface of fuselage.
8. being detected according to a kind of accidental movement of elevator cage protective device security performance described in any one of claims 1 to 7
The detection method of device, it is characterised in that: include the following steps
(1) apparatus safe property checking device is opened, the traction ratio and test speed for being detected elevator is inputted, selects manual triggering mode
Or automatic trigger mode；
(2) idler wheel is tightly attached on the wirerope of elevator；
(3) opening elevator, idler wheel are moved with the wirerope of elevator, and rotary encoder starts to generate pulse signal, at signal
Module acquisition and processing pulse signal are managed, and elevator real-time speed is shown on the display module；
(4) velocity amplitude on display module is observed, when elevator reaches carriage accidental movement test speed, disconnects safety return circuit,
Signal processing module starts to calculate the braking distance of elevator；
(5) elevator is out of service under the action of unintended car movement protection device, and signal processing module terminates to elevator stopping
The calculating of distance obtains testing result, and shows on the display module.
9. a kind of detection side of accidental movement of elevator cage protective device apparatus safe property checking device according to claim 8
Method, it is characterised in that: automatic trigger mode includes the following steps
(1) one end of electrical terminal is connected on automatic trigger connector, the other end is connected in series in elevator safety loop；
(2) when elevator speed is not up to the test speed set, the contact of relay is in closed state, at elevator safety loop
In on-state；
(3) when elevator speed reaches the test speed of setting, signal processing module issues signal, and the contact of relay is by closed form
State switchs to off-state, and elevator safety loop is disconnected.
10. a kind of detection of accidental movement of elevator cage protective device apparatus safe property checking device according to claim 8
Method, it is characterised in that: manual triggering mode includes the following steps
(1) manual trigger module is connected on triggering connector manually, and by manual trigger module perpendicular alignmnet elevator emergency
Guard's valve；
(2) the elevator real-time speed value observed on display module will trigger rapidly manually when elevator speed reaches test speed
Module vertical pressing elevator emergency stop switch, elevator safety loop are disconnected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811518305.6A CN109534120A (en) | 2018-12-12 | 2018-12-12 | A kind of accidental movement of elevator cage protective device apparatus safe property checking device and detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811518305.6A CN109534120A (en) | 2018-12-12 | 2018-12-12 | A kind of accidental movement of elevator cage protective device apparatus safe property checking device and detection method |
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Family
ID=65854564
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| CN201811518305.6A Pending CN109534120A (en) | 2018-12-12 | 2018-12-12 | A kind of accidental movement of elevator cage protective device apparatus safe property checking device and detection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110482346A (en) * | 2019-08-27 | 2019-11-22 | 山东奔速电梯股份有限公司 | A kind of home lift |
| CN110745661A (en) * | 2019-10-29 | 2020-02-04 | 迅达（中国）电梯有限公司 | Device for testing accidental moving distance of elevator car |
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