CN207566648U - A kind of elevator door loop detector of rear opening elevator - Google Patents
A kind of elevator door loop detector of rear opening elevator Download PDFInfo
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- CN207566648U CN207566648U CN201721727237.5U CN201721727237U CN207566648U CN 207566648 U CN207566648 U CN 207566648U CN 201721727237 U CN201721727237 U CN 201721727237U CN 207566648 U CN207566648 U CN 207566648U
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Abstract
The utility model discloses a kind of elevator door loop detectors of rear opening elevator, including measure loop, each hall door lock and each car door lock are connected on one by one in the measure loop, all hall door locks are as a detection group, all car door locks are as another detection group, all preceding car door locks are as a detection unit in car door lock detection group, and all rear gates are as another detection unit；All lobby door locks are as a detection unit in hall door lock detection group, and all rear hall doors are as another detection unit；Each forward and backward position of the detection group in measure loop is connected with bypass monitoring point by bypass changeover switch；Bypass supply is connected with by power change-over switch between two detection units of same detection group；All switching switches control signal disconnection detection circuit with foundation and bypass supply are connected and bypasses the working condition of monitoring point with control terminal.The utility model loop detector can improve the safety of elevator door circuit.
Description
Technical field
The utility model is related to elevator technology field more particularly to a kind of elevator door detections applied in rear opening elevator
Circuit.
Background technology
Existing door lock of elevator detection device usually has the door lock measure loop of a standard, by each layer door lock and sedan-chair
Door lock is connected one by one, recently enters the control mainboard or frequency converter of elevator control system.Such general setting of door lock detection
Two monitoring points, including hall door lock and car door lock, using the terminal of hall door lock or car door lock as monitoring point, this door lock monitoring side
Formula has unsafe aspect, when the door lock contact that rear opening elevator artificially bypasses side (is touched including hall door contact or gate
Point), when that can service perforation floor switch door, due to preceding door contact and rear door contact simultaneously turns on or disjunction, only monitors
The voltage of termination detection point judges that the locking of loop of the door lock is that have security risk.
Utility model content
The utility model provides a kind of elevator door loop detector for improving safety, especially suitable with double gates
Perforation elevator in, different bypass branch in detection device circuit is set, can identify and differentiate forward and backward gate or forward and backward
The state of hall door.
A kind of elevator door loop detector of rear opening elevator, including measure loop, each hall door lock and each car door lock by
One is connected in the measure loop, and on series sequence, all hall door locks are as a detection group, and all car door locks are as another
A detection group sets main monitoring point, on series sequence, institute in car door lock detection group in measure loop for each detection group
The preceding car door lock having is as a detection unit, and all rear gates are as another detection unit；Institute in hall door lock detection group
Some lobby door locks are as a detection unit, and all rear hall doors are as another detection unit；
Each forward and backward position of the detection group in measure loop is connected with bypass monitoring point by bypass changeover switch；
Bypass supply is connected with by power change-over switch between two detection units of same detection group；All switching switches carry
Control terminal, and with foundation control signal disconnection detection circuit and bypass supply and the working condition of bypass monitoring point is connected.
There are two gates for the car tool of the utility model rear opening elevator, and same flat bed tool is there are two hall door, according to general
Arrangement, i.e., it is one in front and one in back, described in the utility model forward and backward for relative concept, convenient for distinguish the different gate in two positions or
Hall door.
Existing hall door lock and car door lock not only have mechanical part also to have circuit part, this is mainly for for circuit portion
The improvement divided, therefore the hall door lock and car door lock referred to, it is thus understood that circuit part, principle are similar to a switch, hall door
And gate, under open and close state, corresponding to switch also switched conductive or closed state therewith, hall door lock and car door lock are in itself
Circuit for the prior art, where not the utility model improves.
When the utility model is not particularly limited, each switching switch or all switching switches, refer to bypass changeover switch and
Power change-over switch.
With detection group and with arranged adjacent successively in the car door lock in detection unit or hall door lock circuit, the utility model
It is arranged by door lock type different grouping or unit, forward and backward position setting bypass monitoring of each detection group in measure loop
Point, and it is connected with bypass supply between two detection units of same detection group；Being equivalent to each detection unit can be with
Bypass supply is formed into a loop, and the bypass supply between two detection units of same detection group can be independently arranged or one public.
Preferably, respectively bypass the sound, optical element of monitoring point series connection.
The main monitoring point and bypass monitoring point can be considered a terminals of related elements or the signal wire of extraction, lead
It will be to for connecting external circuit elements, instruction or identification monitoring point obtain electric or power failure state, for bypassing monitoring point, if
Only dispaly state, can connect sound, optical element, you can realize electric or power failure state display.
Preferably, compare for each bypass monitoring point setting comparison circuit and the connection display of comparison circuit output terminal
As a result output equipment, comparison circuit tool is there are two input terminal, respectively：
The first input end being connect with corresponding bypass monitoring point；
Second input terminal of incoming control signal, the control signal and the control signal of each switching switch control terminal access
Source is identical.
Such as elevator control system or calling equipment etc. send out the control signal for closing a certain gate, in gate action
Meanwhile corresponding car door lock switching circuit state causes measure loop to disconnect, and corresponding with the car door lock bypass monitoring point and obtain
Electricity, and send signal to comparison circuit first input end；
Same control signal also inputs the second input terminal of comparison circuit；
Comparison circuit compares the signal of two input terminals, is normal if being consistent, and is otherwise to be considered as exception, and pass through output
Equipment is prompted, and output equipment can be the sound such as display screen, alarm, light device.
Preferably, respectively bypass monitoring point is connected to the elevator control system of rear opening elevator via communication interface, own
The control terminal of switching switch also accesses and is controlled by the elevator control system, and the elevator control system is locked to hall door or gate
Lock sends control signal, and judges operating status compared with the feedback of corresponding bypass monitoring point.
As further optimization, comparison circuit can be integrated into existing elevator control system, but its principle is similar, will
Control signal is sent compared with the feedback signal of corresponding bypass monitoring point to hall door lock or car door lock.
State or abnormal alarm can be simply prompted after comparing, can also control elevator component, such as make system
It is dynamic, the subsequent actions such as shut down, but with regard to hall door lock and gate lock status identification itself, the utility model, which passes through, bypasses electricity
Source, the setting of each switching switch and bypass monitoring point can be completed, as answering for the feedback signal for bypassing monitoring point acquisition
With all multi-form of the prior art can also be used.
The form of the communication interface is 232 interfaces, 422 interfaces, 485 interfaces or CAN serial bus interfaces.
Each switching switch and bypass supply can be integrated in space layout, such as all be set to car top or elevator
Hall door lock, car door lock loop state are detected in switch board, in door closing procedure, judges whether to be shorted.
Preferably, each switching switch is relay, as further preferably contact adhesion is prevented, using safety relay
Device.
Preferably, each form detection bypass between detection unit and corresponding bypass supply；Bypass changeover switch
Normally-closed contact series connection accesses the measure loop；The corresponding detection bypass of normally opened contact series connection access of bypass changeover switch.
Measure loop disconnects during bypass changeover switch motion, detects by-path turn-on.
Preferably, the normally opened contact one of power change-over switch terminates bypass supply, it is another to terminate two in corresponding detection group
On measure loop between a detection unit；
The normally-closed contact one of power change-over switch terminates bypass supply, and the other end connects two detections in corresponding detection group respectively
The bypass monitoring point of unit.
Measure loop is connected, and detects by-path turn-on during detection bypass disconnection, when similarly measure loop disconnects, bypass supply
To the power supply of corresponding bypass monitoring point.
The utility model detects forward and backward car door lock and forward and backward hall door lock loop using bypass, is not influencing measure loop
While safeguard protection performance, increase the bypass monitoring during leveling switch door, ensure the security performance of loop of the door lock.
Description of the drawings
Fig. 1 is the principle schematic of the elevator door loop detector of the utility model.
Specific embodiment
Referring to Fig. 1, a kind of elevator door loop detector of rear opening elevator of the utility model is returned including conventional detection
Road, one end are power supply (by taking AC110V power supplys as an example) to power, and each hall door lock and each car door lock are connected on the detection and return one by one
Lu Zhong, on series sequence, all hall door locks are as a detection group, and all car door locks are as another detection group, car door lock
All preceding car door locks are as a detection unit in detection group, and all rear gates are as another detection unit；Hall door is locked
All lobby door locks are as a detection unit in detection group, and all rear hall doors are as another detection unit.
One hall door lock test point, any hall door lock circuit failure in measure loop, Ke Yitong are provided between two detection groups
Hallway in an old Chinese house door lock test point knows that similarly the corresponding detection group rear end of car door lock provides a car door lock test point, appoints in measure loop
One car door lock fault can be known by car door lock test point.
The utility model is provided with hall door detection bypass on this basis and gate detection bypasses, in Fig. 1 as it can be seen that every
Forward and backward position of a detection group in measure loop is connected with bypass monitoring point by bypass changeover switch.
Hall door locks corresponding detection group and is connected with bypass changeover switch KA1, bypass close to power supply side in measure loop
Switching switch KA1 connections bypass monitoring point A1；
Hall door locks corresponding detection group and is connected with bypass changeover switch KA2 far from power supply side in measure loop；Bypass
Switching switch KA1 connections bypass monitoring point A2.
The corresponding detection group of car door lock is connected with bypass changeover switch KB1, bypass in measure loop close to power supply side
Switching switch KB1 connections bypass monitoring point B1；
The corresponding detection group of car door lock is connected with bypass changeover switch KB2, bypass in measure loop far from power supply side
Switching switch KB2 connections bypass monitoring point B2.
Bypass supply is connected with by power change-over switch between two detection units of same detection group.
Hall door is locked in corresponding detection group, the corresponding detection unit of lobby door lock detection unit corresponding with opisthodome door lock it
Between bypass supply (in figure by taking DC24V power supplys as an example) is connected with by power change-over switch KA3.Bypass supply also passes through anti-reverse two
Pole pipe is connect respectively with bypass monitoring point A1 and bypass monitoring point A2.
In the corresponding detection group of car door lock, the corresponding detection unit of preceding car door lock detection unit corresponding with rear car door lock it
Between bypass supply (in figure by taking DC24V power supplys as an example) is connected with by power change-over switch KB3.Bypass supply also passes through anti-reverse two
Pole pipe is connect respectively with bypass monitoring point B1 and bypass monitoring point B2.
All bypass changeover switches, power change-over switch control signal disconnection detection with control terminal with foundation
Circuit is simultaneously connected bypass supply and bypasses the working condition of monitoring point.What control signal may be from elevator control system sends out switch
The signal of gate, hall door
Monitoring point A1 and bypass monitoring point A2 and bypass monitoring point B1 and monitoring point B2 points of bypass are bypassed in the present embodiment
Elevator control system is not accessed by communication interface, the form of communication interface is 232 interfaces, 422 interfaces, 485 interfaces or
CAN serial bus interfaces.
In order to improve safety bypass changeover switch, power change-over switch uses safety relay.
Bypass changeover switchs KA1, and similar bypass changeover switch KB1 and bypass are cut respectively with bypass changeover switch KA2 connections
Switch KB2 is changed, by taking bypass changeover switchs KA1 and bypass changeover switch KA2 connections as an example：
The normally-closed contact series connection access measure loop of bypass changeover switch KA1, positioned at AC110V power supplys and lobby door lock pair
Between the detection unit answered；
The termination of normally opened contact one of bypass changeover switch KA1 bypasses monitoring point A1, another to terminate the corresponding inspection of lobby door lock
Survey unit (close to AC110V power supplys side)；
The normally-closed contact series connection access measure loop of bypass changeover switch KA2, positioned at the corresponding detection unit of opisthodome door lock
Between car door lock detection group；
The termination of normally opened contact one of bypass changeover switch KA2 bypasses monitoring point A2, another to terminate the corresponding inspection of opisthodome door lock
Survey unit (close to car door lock detection group side).
Power change-over switch KA3 is similar with power change-over switch KB3 connections, by taking power change-over switch KA3 connections as an example：
Power change-over switch KA3 normally opened contacts one terminate bypass supply, and the other end accesses measure loop and positioned at preceding hall door
It locks between corresponding detection unit detection unit corresponding with opisthodome door lock；
Power change-over switch KA3 normally-closed contacts one terminate bypass supply, the other end connect respectively corresponding bypass monitoring point A1 and
Bypass monitoring point A2.
When elevator is when leveling zone opens the door, each switching switch coil is failure to actuate, and keeps the conducting of measure loop, Ke Yitong
Hallway in an old Chinese house door lock test point and car door lock test point detection line state；
When elevator will at closing time in leveling zone, elevator control system sends out control signal, and all switching switch coils touch
Hair, contacts status switching, measure loop disconnect, and bypass supply supplies respectively via corresponding detection unit to bypass monitoring point at this time
Electricity work, each a kind of door lock of detection unit correspondence, the feedback signal of each bypass monitoring point of elevator control system acquisition is with giving
Such door lock state compare, be such as consistent, elevator is normal；If not being consistent, elevator faults, the corresponding inspection of judgement the type door lock
There is situation about being shorted in survey time road.
Disclosed above is only specific embodiment of the utility model, but the utility model is not limited to this, ability
The technical staff in domain can carry out the utility model spirit and scope of the various modification and variations without departing from the utility model.
These obvious modification and variations should all belong in the protection domain protection of the requires of the utility model.In addition, although in this specification
Some specific terms are used, but these terms are merely for convenience of description, it is any special that the utility model is not formed
Limitation.
Claims (7)
1. a kind of elevator door loop detector of rear opening elevator, including measure loop, each hall door lock and each car door lock are one by one
It is connected in the measure loop, on series sequence, all hall door locks are as a detection group, and all car door locks are as another
Detection group sets main monitoring point in measure loop for each detection group, which is characterized in that on series sequence, car door lock
All preceding car door locks are as a detection unit in detection group, and all rear gates are as another detection unit；Hall door is locked
All lobby door locks are as a detection unit in detection group, and all rear hall doors are as another detection unit；
Each forward and backward position of the detection group in measure loop is connected with bypass monitoring point by bypass changeover switch；It is same
Bypass supply is connected with by power change-over switch between two detection units of detection group；All switching switches are with control
End, and control signal disconnection detection circuit with foundation and bypass supply is connected and bypasses the working condition of monitoring point.
2. the elevator door loop detector of rear opening elevator as described in claim 1, which is characterized in that for each bypass
Monitoring point sets comparison circuit and the connection of comparison circuit output terminal shows the output equipment of comparison result, the comparison circuit tool
There are two input terminal, respectively：
The first input end being connect with corresponding bypass monitoring point；
Second input terminal of incoming control signal, the control signal source phase which accesses with each switching switch control terminal
Together.
3. the elevator door loop detector of rear opening elevator as described in claim 1, which is characterized in that respectively bypass monitoring point
The elevator control system of rear opening elevator is connected to via communication interface, the control terminal of all switching switches is also accessed and is controlled by
The elevator control system, the elevator control system is locked to hall door or car door lock sends control signal, and supervise with corresponding bypass
The feedback of measuring point, which compares, judges operating status.
4. the elevator door loop detector of rear opening elevator as claimed in claim 3, which is characterized in that the communication interface
Form be 232 interfaces, 422 interfaces, 485 interfaces or CAN serial bus interfaces.
5. the elevator door loop detector of rear opening elevator as described in claim 1, which is characterized in that each switching switch is
Safety relay.
6. the elevator door loop detector of rear opening elevator as claimed in claim 5, which is characterized in that each detection unit
Detection bypass is formed between corresponding bypass supply；The normally-closed contact series connection of bypass changeover switch accesses the measure loop；
The corresponding detection bypass of normally opened contact series connection access of bypass changeover switch.
7. the elevator door loop detector of rear opening elevator as claimed in claim 6, which is characterized in that power change-over switch
Normally opened contact one terminate bypass supply, on the measure loop in the corresponding detection group of another termination between two detection units；
The normally-closed contact one of power change-over switch terminates bypass supply, and the other end connects two detection units in corresponding detection group respectively
Bypass monitoring point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721727237.5U CN207566648U (en) | 2017-12-13 | 2017-12-13 | A kind of elevator door loop detector of rear opening elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721727237.5U CN207566648U (en) | 2017-12-13 | 2017-12-13 | A kind of elevator door loop detector of rear opening elevator |
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| Publication Number | Publication Date |
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| CN207566648U true CN207566648U (en) | 2018-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721727237.5U Active CN207566648U (en) | 2017-12-13 | 2017-12-13 | A kind of elevator door loop detector of rear opening elevator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179117A (en) * | 2018-09-10 | 2019-01-11 | 日立楼宇技术（广州）有限公司 | Detection method, device, computer equipment and the storage medium that door lock is shorted |
| CN109781449A (en) * | 2019-03-05 | 2019-05-21 | 合肥万豪能源设备有限责任公司 | A kind of natural gas liquefaction device list sled block and whole test device |
| CN110407039A (en) * | 2019-07-26 | 2019-11-05 | 上海三菱电梯有限公司 | Elevator safety loop detection device |
| CN110775760A (en) * | 2019-10-21 | 2020-02-11 | 宁波宏大电梯有限公司 | Short circuit detection method and system for door lock of through door of elevator |
| CN111377323A (en) * | 2018-12-29 | 2020-07-07 | 蒂森克虏伯电梯（上海）有限公司 | Elevator safety device and elevator |
-
2017
- 2017-12-13 CN CN201721727237.5U patent/CN207566648U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179117A (en) * | 2018-09-10 | 2019-01-11 | 日立楼宇技术（广州）有限公司 | Detection method, device, computer equipment and the storage medium that door lock is shorted |
| CN111377323A (en) * | 2018-12-29 | 2020-07-07 | 蒂森克虏伯电梯（上海）有限公司 | Elevator safety device and elevator |
| CN109781449A (en) * | 2019-03-05 | 2019-05-21 | 合肥万豪能源设备有限责任公司 | A kind of natural gas liquefaction device list sled block and whole test device |
| CN110407039A (en) * | 2019-07-26 | 2019-11-05 | 上海三菱电梯有限公司 | Elevator safety loop detection device |
| CN110775760A (en) * | 2019-10-21 | 2020-02-11 | 宁波宏大电梯有限公司 | Short circuit detection method and system for door lock of through door of elevator |
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