CN104627767B - It is a kind of to prevent engineering staff to fall the system and method for elevator hoistways - Google Patents
It is a kind of to prevent engineering staff to fall the system and method for elevator hoistways Download PDFInfo
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- CN104627767B CN104627767B CN201310571635.2A CN201310571635A CN104627767B CN 104627767 B CN104627767 B CN 104627767B CN 201310571635 A CN201310571635 A CN 201310571635A CN 104627767 B CN104627767 B CN 104627767B
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- Prior art keywords
- door lock
- relay
- engineering staff
- hall door
- car
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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
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
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- Indicating And Signalling Devices For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention belongs to lift product technical field, a kind of prevention engineering staff is specifically disclosed to fall elevator hoistways system and method, the system, including hoistway door and hall door lock, car door and car door lock, the unlocking key for opening hall door lock, in addition to MPU microprocessor；Relay；Acoustic-optic alarm：It is connected with relay, during the normally-closed contact closure of relay, connects the loop of acoustic-optic alarm, it is whether safe for reminding engineering staff to enter hoistway.System architecture of the present invention is simple, and cost of manufacture is cheap, and prevention engineering staff falls elevator hoistways, it is possible to reduce the security incident in field operation；Methods described has higher acousto-optic warning effect, it is easy to implement, it is ensured that the personal safety of engineering staff.
Description
Technical field
It is more particularly to a kind of to prevent engineering staff to fall the systems of elevator hoistways the present invention relates to lift product technical field
And its method.
Background technology
At present, the accident of used during elevator falling hoistway happens occasionally, and the generation for hoistway accident of falling has been summed up four
Aspect：One is to open layer door by special triangular key, and car now is in this layer, caused by being strayed into；
Two be that elevator in particular cases leaves this layer some, and layer door is but not turned off, and party is not due to noticing this feelings
Condition and hoistway accident of falling；Three are due to the ignorant of only a few people or are in a semiconscious condition, and layers apart is taken off by both hands
Fall behind the door, the both hands of normal conditions servant are can not to push layer door aside, but due to door lock of elevator, also be there occurs really
Such coincidence；Four be that occupant is opening gate and layer behind the door, jumped to leave car when elevator breaks down or has a power failure
When going out car and the hoistway that falls, and the first situation is most in above-mentioned four type.
For example, elevator is when needing repairing maintenance, maintenance staff need to maintain etc. into hoistway, maintenance staff
It can safeguard that elevator ensures that it normally can use and protect the safety of elevator user, still, current elevator maintenance staff fall hoistway
Accident happens occasionally, and cause of accident is much for elevator maintenance staff are in false judgment elevator position and hoistway light is not enough
In the case of step on sky accidentally and fall well when opening hall door and cause, therefore in order to prevent elevator engineering staff to fall elevator hoistways, research and development
It is a kind of prevent engineering staff fall elevator hoistways system and method it is extremely urgent.
The content of the invention
The purpose of the present invention be overcome the deficiencies in the prior art there is provided it is a kind of prevent engineering staff fall elevator hoistways be
System and its method, the system architecture are simple, and cost of manufacture is cheap, and prevention engineering staff falls elevator hoistways, it is possible to reduce scene
Security incident in operation；Methods described has higher acousto-optic warning effect, it is easy to implement, it is ensured that the person peace of engineering staff
Entirely.
In order to reach above-mentioned technical purpose, the present invention is achieved by following technical scheme：
It is of the present invention it is a kind of prevent engineering staff fall elevator hoistways system include hoistway door and hall door lock, sedan-chair
Railway carriage or compartment door and car door lock, the unlocking key for opening hall door lock,
Also include MPU microprocessor：During for judging that hall door lock loop disconnects, gate lock loop is to be opened or closed；
Relay:It is connected with microprocessor, when the disconnection of hall door lock loop, car door lock circuit closed, then relay is normally closed
The closing of contact, relay is started working；
Acoustic-optic alarm：It is connected with relay, during the normally-closed contact closure of relay, connects acoustic-optic alarm
Loop, it is whether safe for reminding engineering staff to enter hoistway.
As the further improvement of above-mentioned technology, the acoustic-optic alarm is the illuminating lamp installed in elevator hoistways and honeybee
Ring device.
The method for the system of elevator hoistways of being fallen the invention also discloses above-mentioned prevention engineering staff, it is comprised the concrete steps that：
（1）Engineering staff opens hall door with unlocking key, and this layer of hall door lock disconnects, and hall door lock loop disconnects；
（2）MPU microprocessor detect the information of hall door lock loop disconnection, and judge whether gate lock loop closes；
（3）Car door lock circuit closed, then be judged as car not in the layer, relay adhesive, the normally-closed contact of relay is closed
Close, connect loop where acoustic-optic alarm；
Gate lock loop disconnect, then determine whether hall door lock disconnection layer and car current layer it is whether consistent, unanimously
When relay do not work, when inconsistent relay work, connect acoustic-optic alarm where loop；
（4）Connect after acoustic-optic alarm, well lighting lamp is bright, buzzer rings, and realizes sound and light alarm, causes engineering staff
Note；
（5）Hall door is closed, system reset, acousto-optic warning disappears.
In the present invention, described unlocking key is triangular key.
Compared with prior art, beneficial effects of the present invention：
The present invention is not changing the hall door of existing elevator and car door, increase only the acousto-optic for warning function
Warning device, by MPU microprocessor obtain hall door and car door disconnect whether consistent information, such as inconsistent driving relay
Action, so that acoustic-optic alarm is opened, it is simple and convenient, it is easy to accomplish, and cost is low, the degree of accuracy is high, drastically increases electricity
The job safety when progress of terraced engineering staff is maintained.
Brief description of the drawings
Fig. 1 is that prevention engineering staff of the present invention falls the systematic schematic diagrams of elevator hoistways；
Fig. 2 falls the method flow diagrams of elevator hoistways for prevention engineering staff of the present invention；
Fig. 3 is the elevator and floor schematic diagram applied in the present invention.
Embodiment
As shown in Figure 1, Figure 3, it is of the present invention a kind of to prevent engineering staff to fall the systems of elevator hoistways, including elevator
Hall door 1 and hall door lock 2, gate 3 and car door lock 4, the unlocking key 5 for opening hall door lock 2；
Also include MPU microprocessor 6：It is connected with hall door lock 2 and car door lock 4, during for judging that hall door lock loop disconnects, sedan-chair
Loop of the door lock is to be opened or closed；
Relay 7:Be connected with MPU microprocessor 6, when hall door lock 2 loop disconnect, during the circuit closed of car door lock 4, then
The normally-closed contact closure of relay 7, relay 7 is started working；
Acoustic-optic alarm 8：It is connected with relay 7, during the normally-closed contact closure of relay 7, connects sound and light alarm dress
Put 8 loop, for remind engineering staff enter hoistway whether safety, the acoustic-optic alarm 8 be installed in elevator hoistways
Illuminating lamp and buzzer.
Because in elevator in use, when car 9 is in leveling zone, hall door 1 and gate 3 are attached together to put and be attached by door system
, when opening hall door 1 outside this layer of Room with triangular key, gate 3 will be driven to open together；If car 9 not in leveling zone or
Not when the current layer of car 9 opens hall door 1, then gate 3 will not be opened by interlocking, and so be to realize to warn engineering staff
Key.
If in addition, the signal of every layer of hall door lock 2 is detected that MPU microprocessor 6 can be known into MPU microprocessor 6
The opening of not each layer door, while microprocessor 6 also stores the opening of the place layer of car 9 and gate 3, can be further
It is accurate to judge whether to open hall door in car current layer, so as to ensure the degree of accuracy of alarm signal.
The method for the system of elevator hoistways of being fallen the invention also discloses above-mentioned prevention engineering staff, as shown in Fig. 2 it has
Body step is：
S10：Start；
S20：Engineering staff is that existing conventional triangular key opens hall door 1 with unlocking key 5；
S30：Judge that hall door lock 2 disconnects, i.e., hall door is locked 2 loops and disconnected, and whether car door lock 4 closes；
If car door lock 4 is closed, step S40 is carried out：Drive the adhesive of relay 7, the normally-closed contact closure of relay 7；
S50 connects the loop of acoustic-optic alarm 8, i.e. well lighting lamp is bright, and buzzer rings, and realizes sound and light alarm, causes
Engineering staff notes；
S60：Hall door is closed, system reset, acousto-optic warning disappears.
If car door lock disconnects：Then carry out step S70:Judge hall door lock 2 disconnection layer and car 9 current layer whether one
Cause；
If consistent, step S80 is carried out：There is no sound and light alarm, hoistway can be carried out safely；
Continue above-mentioned steps S40 to S60 if inconsistent.
Illustrated below by way of the elevator and floor schematic diagram applied：As shown in figure 3, present invention prevention engineering staff
Fall the methods of elevator hoistways, specific embodiment is as follows：The acoustic-optic alarm 8 be illuminating lamp and buzzer, its be by
According to GB7588-2003《Elevator is manufactured with installing safety standard》Requirement to well lighting, is installed in hoistway every a segment distance.
In figure, car 10 is parked in three buildings, and now hall door 1, gate 3 are locked, and well lighting loop disconnects, hoistway lamp goes out,
Buzzer does not ring.
Because elevator faults or other maintenances need, engineering staff needs to enter car or car top：
Assuming that he opens hall door 1 in Stall with triangular key, then system detectio is closed to car door lock 4, and the hall door of three buildings
Lock 2 disconnects.Now driving relay 7 is acted, and turn on automatically well lighting loop, hoistway lamp is bright, and buzzer rings, and carries out acousto-optic police
Show.
Assuming that tri- building, Ta opens hall door 1 with triangular key, then to lock 2 to car door lock 4 and the hall door of three buildings equal for system detectio
Disconnect, will not now connect well lighting loop, engineering staff enters hoistway（Or car 10）It is safe.
Assuming that tetra- building, Ta opens hall door 1 with triangular key, then it is similar with situation about being opened in Stall, it may appear that acousto-optic is warned
Show, and actual conditions have been likely to be breached the condition into car top, because hoistway lamp is already on, engineering staff is apparent that
Position and hoistway situation where car 10, under the conditions of confirming to reach and can enter car top, disconnect the emergency stop switch of car top with
Afterwards, car top can be entered, so that it is guaranteed that engineering staff enters in car or hoistway in the case where ensuring to be perfectly safe, reduced
Crash into the generation of hoistway accident.
Presently preferred embodiments of the present invention is the foregoing is only, protection scope of the present invention is not limited thereto, any to be based on
Equivalent transformation in technical solution of the present invention is belonged within the scope of the present invention.
Claims (2)
1. it is a kind of prevent engineering staff fall elevator hoistways system method, the prevention engineering staff falls elevator hoistways
System, including hoistway door and hall door lock, car door and car door lock, the unlocking key for opening hall door lock, in addition to MPU it is micro-
Processor：With hall door lock and car door lock electrically connect be used for judge hall door lock loop disconnect when, gate lock loop be disconnection or close
Conjunction state；Relay is connected with microprocessor, and when the disconnection of hall door lock loop, car door lock circuit closed, then relay is normally closed tactile
Point closure, relay is started working；Acoustic-optic alarm：It is connected with relay, during the normally-closed contact closure of relay, connects
The loop of acoustic-optic alarm, it is whether safe for reminding engineering staff to enter hoistway；
Its method is comprised the concrete steps that：
(1) engineering staff opens hall door with unlocking key, and this layer of hall door lock disconnects, and hall door lock loop disconnects；
(2) MPU microprocessor detect the information of hall door lock loop disconnection, and judge whether gate lock loop closes；
(3) car door lock circuit closed, then be judged as car not in the layer, relay adhesive, the normally-closed contact closure of relay connects
Loop where logical acoustic-optic alarm；
Gate lock loop disconnect, then determine whether hall door lock disconnection layer and car current layer it is whether consistent, consistent relay
Device not adhesive works, inconsistent relay work, connects loop where acoustic-optic alarm；
(4) connect after acoustic-optic alarm, well lighting lamp is bright, buzzer rings, and realizes sound and light alarm, causes engineering staff to note
Meaning；
(5) hall door is closed, system reset, acousto-optic warning disappears.
The method of the system of elevator hoistways 2. prevention engineering staff according to claim 1 falls, it is characterised in that：
The unlocking key is triangular key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310571635.2A CN104627767B (en) | 2013-11-15 | 2013-11-15 | It is a kind of to prevent engineering staff to fall the system and method for elevator hoistways |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310571635.2A CN104627767B (en) | 2013-11-15 | 2013-11-15 | It is a kind of to prevent engineering staff to fall the system and method for elevator hoistways |
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| Publication Number | Publication Date |
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| CN104627767A CN104627767A (en) | 2015-05-20 |
| CN104627767B true CN104627767B (en) | 2017-10-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626159A (en) * | 2018-11-09 | 2019-04-16 | 日立电梯（中国）有限公司 | The based reminding method of elevator car position, device and system |
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| CN107331099B (en) * | 2017-07-25 | 2023-12-15 | 苏州江南嘉捷电梯有限公司 | Elevator fire control signal monitoring devices |
| CN107337047B (en) * | 2017-07-25 | 2023-10-27 | 苏州江南嘉捷电梯有限公司 | Alarm device for abnormal opening of elevator car door |
| WO2019063265A1 (en) * | 2017-09-27 | 2019-04-04 | Inventio Ag | Warning system for an elevator system and method for warning a maintenance person of an elevator system |
| CN108124440B (en) * | 2017-11-01 | 2020-05-15 | 日立楼宇技术（广州）有限公司 | Elevator maintenance method, intelligent key and elevator maintenance system |
| CN109809281B (en) * | 2017-11-22 | 2024-04-09 | 新疆维吾尔自治区特种设备检验研究院 | Manual unlocking monitoring method for elevator landing door |
| US11053095B2 (en) | 2018-05-02 | 2021-07-06 | Otis Elevator Company | Elevator alert system |
| CN113291945B (en) * | 2021-05-24 | 2022-08-05 | 宋川兵 | Emergency lighting device for house electromechanical engineering |
| CN113716403B (en) * | 2021-08-05 | 2023-08-01 | 日立楼宇技术（广州）有限公司 | Method and device for exiting elevator maintenance mode, computer equipment and storage medium |
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| CN104627767A (en) | 2015-05-20 |
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