CN2846374Y - Alarm device for lift layer door irregular open - Google Patents
Alarm device for lift layer door irregular open Download PDFInfo
- Publication number
- CN2846374Y CN2846374Y CN 200520120668 CN200520120668U CN2846374Y CN 2846374 Y CN2846374 Y CN 2846374Y CN 200520120668 CN200520120668 CN 200520120668 CN 200520120668 U CN200520120668 U CN 200520120668U CN 2846374 Y CN2846374 Y CN 2846374Y
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- China
- Prior art keywords
- elevator
- warning device
- door
- opened
- hoistway
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- Expired - Lifetime
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Abstract
The utility model discloses an alarm device for the irregular opening of an elevator landing door, which comprises control circuit boards of the alarm device and a hoistway line, the control circuit boards of the alarm device are mutually connected and the hoistway line is connected with a landing door switch and an elevator journey switch. The utility model has the advantages of simple structure, accuracy and effectivity, reliable performance and strong applicability and the utility model can be expanded and can realize intellectualized control.
Description
[technical field]
The utility model is about a kind of elevator car safety, especially relates to a kind of elevator that is used for and detects the elevator door whether elevator door open unusually and open warning device unusually.
[background technology]
According to standard GB 7588-2003 " elevator manufacturing and installation safety standard " (hereinafter to be referred as " standard ") regulation, elevator is when normal operation, can not open layer door, unless car in the onlocking zone of this layer door, stop or stopping, to realize to the dangerous protection of falling; But " standard " also requires each layer door all should be able to by a key door be opened from the outside, therefore exists personnel to open the potential safety hazard that layer falls into hoistway behind the door because of carelessness.In addition, " standard " regulation should have locking, the closed condition of electric safety device inspection layer door, when guaranteeing that layer door opened, under normal operation, can not start elevator or keep elevator to continue operation, to realize the protection to shearing; But in maintenance or servicing operations, there is operation in violation of rules and regulations and forgets and the potential safety hazard of carrying out the elevator operation when removing the door lock shorting stub cause the danger that occurs shearing.
From present elevator safety present situation, more than two potential safety hazards be to cause the safety misadventure one of the main reasons, existing elevator lacks the detecting device of the effective and dependable performance that detects the elevator door open and-shut mode, when layer door abnomal condition is opened, with regard to as easy as rolling off a log generation safety misadventure, elevator operating personnel or passenger are opened at elevator door, but lift car not when anterior layer or be higher than when anterior layer and when exceeding car toeguard height, the error layer door of coming in and going out causes casualties.
Therefore, prior art is improved, provide a kind of simple in structure, effectively accurately, that dependable performance, comformability be strong, can expand, the elevator door of intelligent control is opened warning device unusually is real in necessary.
[summary of the invention]
The purpose of this utility model be design a kind of simple in structure, effectively accurately, dependable performance, comformability be strong, can expand, the elevator door of intelligent control is opened warning device unusually.
To achieve these goals, the utility model adopts following technical scheme:
Provide a kind of elevator door to open warning device unusually, it comprises interconnective warning device control circuit board and hoistway circuit, and this hoistway circuit is connected with layer door switch and elevator-distance switch.Processing enter and control center that this warning device control circuit board is whole device, be responsible for receiving work such as data, data handing, issuing command, the hoistway circuit mainly is to the detection of layer door and car position relation and gives the alarm under error state, is responsible for the logical relation of unlatching of detection layers door and elevator car position.
This elevator door is opened warning device unusually and is also comprised and this warning device control circuit board bonded assembly hoistway lamp loop, is the connection line of device and elevator hoistways lamp and main power circuit, is implemented in a series of safety measures of taking after layer door opened unusually.
This warning device control circuit board comprises micro controller system, and with this micro controller system bonded assembly data selector, with hoistway circuit bonded assembly photoelectrical coupler, the output of this photoelectrical coupler one end connects one of them of n input end of data selector, and another exports termination high level.
This micro controller system is the core of control circuit board, realizes work such as a series of data handings, instruction issue.The interface and the data selector of micro controller system join, and judge according to each input end state of data selector, thereby obtain the state that a certain floor layer door opened unusually, enter corresponding service routine according to this state.
This micro controller system is connected with LCD and shows, micro controller system is according to the state of each layer door, the floor that utilizes LCD display layer door to be opened unusually, and the convenient working personnel search the layer door of being opened unusually rapidly.Device can utilize serial communication to be connected with external device, realizes that mutual information exchanges.
This micro controller system also is connected with serial communication, can carry out the information transmission with the external world, realizes system's extendable functions.
This hoistway circuit includes the testing circuit and the warning circuit of layer door and car position relation.The state of layer door switch and elevator-distance switch has reflected the state of layer door, and they are respectively two photoelectric switchs.When the non-door that stops layer by layer is opened, two photoelectric switchs are all opened, and bonded assembly alarm equipment alarm on the hoistway circuit reminds the outer personnel of hoistway to take care, thereby realizes the protection to falling.This warning device control circuit board is judged the state that layer door opened unusually according to the state of this layer door switch and elevator-distance switch.
Unusually opened when layer door, after micro controller system detects this state, connect hoistway lamp loop, the outer personnel of hoistway can also clear situation about seeing in the hoistway after hearing alarm equipment alarm, realizes the protection to falling equally; Simultaneously, micro controller system disconnects the main power circuit of elevator, makes elevator out of service, thereby has prevented the terraced phenomenon of walking of elevator, has prevented the generation of shearing accident.
Compared with prior art, the utility model has following beneficial effect:
The utility model elevator door open unusually warning device simple in structure, effectively accurately, dependable performance, can realize intelligent control.
Elevator door of the present utility model is opened warning device unusually and is opened the door after the layer door in zone be opened at non-car, shows situation in the hoistway to personnel outdoors immediately, and warns personnel outdoors by buzzer phone, reduces the danger that it falls into hoistway; Simultaneously the cut-out of elevator main power source, elevator can not be started or out of service immediately, prevent the generation of shearing accident, safe and reliable.
And, used digital means, with the micro controller system system's control core, realize accurate logic determines to layer door and car position relation; The driving that realization shows floor, the position of being opened layer door unusually to help the operating personnel to understand rapidly; By modes such as serial communications, make warning carry out the information transmission with the external world, realize the extendable functions of system; Utilize photoelectrical coupler, improve the anti-interference resistance of system; Warning does not insert in the elevator control loop, guarantees lift running safety, warning device installation simplification, and the utilization scope is wide.This device has been realized the intelligent protection to layer door safety.
[description of drawings]
Fig. 1 is the schematic circuit diagram that the utility model elevator door is opened warning device unusually;
Fig. 2 is the logic relation picture of the utility model middle level door switch and elevator-distance switch state.
[specific embodiment]
See also Fig. 1, a kind of elevator door is opened warning device unusually, and it comprises interconnective warning device control circuit board 1 and hoistway circuit 2, and this hoistway circuit 2 is connected with layer door switch and elevator-distance switch.Processing enter and control center that this warning device control circuit board 1 is whole device, be responsible for receiving work such as data, data handing, issuing command, hoistway circuit 2 mainly is to the detection of layer door and car position relation and gives the alarm under error state, is responsible for the logical relation of unlatching of detection layers door and elevator car position.
This elevator door is opened warning device unusually and is also comprised and this warning device control circuit board 1 bonded assembly hoistway lamp loop 3, is the connection line of device and elevator hoistways lamp and main power circuit, is implemented in a series of safety measures of taking after layer door opened unusually.
This warning device control circuit board 1 comprises micro controller system 11, with these micro controller system 11 bonded assembly data selectors 13, with hoistway circuit 2 bonded assembly photoelectrical couplers 12, in the present embodiment, this data selector 13 adopts the 4 lines-16 line SN74150N decoder with 16 input ends, this photoelectrical coupler 12 adopts 4N25 photoelectrical couplers, and (U1～U16), an one output termination high level, the other end export 16 input ends receiving data selector 13 (one of them of E0～E16).
This micro controller system 11 is cores of control circuit board, comprises the one-chip computer module of peripheral circuits such as direct current 5V power supply, 12MHz clapp oscillator, realizes work such as a series of data handings, instruction issue.The P02 of micro controller system 11 ... P05 receives four input ends of A, B, C, D of data selector 1, come 16 input end (E0 of selected data finder by the state of setting A, B, C, D ... E15) Dang Zhong one state can be from the output of W end, and the P00 of micro controller system receives the W mouth, thereby obtain the state that a certain floor layer door opened unusually, enter corresponding service routine according to this state.The OE end is the Enable Pin of data selector, and when its cooresponding pin was low level, data selector was effective, otherwise invalid.
Simultaneously, micro controller system 11 is connected with LCD and shows 14, according to the state of each layer door, and the floor that utilizes LCD14 display layer door to be opened unusually, the convenient working personnel search the layer door of being opened unusually rapidly.Device can also utilize serial communication to be connected with external device, realizes that mutual information exchanges and system's extendable functions.
This hoistway circuit 2 includes the testing circuit and the warning circuit of layer door and car position relation.The state of layer door switch and elevator-distance switch has reflected the state of layer door, and they are respectively two photoelectric switchs.When the non-door that stops layer by layer is opened, two photoelectric switchs are all opened, and (SPEAKER_1～SPEAKER16) report to the police reminds the outer personnel of hoistway to take care to bonded assembly alarm buzzer on the hoistway circuit, thereby realizes the protection to falling.This warning device control circuit board is judged the state that layer door opened unusually according to the state of this layer door switch and elevator-distance switch.
Warning device control circuit board 1 concerns the state of judging that layer door opened unusually according to the state logic of layer door switch and elevator-distance switch.Layer door switch is normal open switch, with DT κ (κ=1,2,3 ..., n, n are the top of elevator) and represent its on off state, DT κ=1 to represent the layer door of κ layer closed, layer door switch closure; On behalf of the layer door of κ layer, DT κ=0 open, and layer door switch disconnects.Elevator-distance switch is a normal open switch, represents its on off state with DS κ, and DS κ=1 represents the car flat bed at the κ layer, the elevator-distance switch closure; DS κ=0 represents car not at κ layer flat bed, and elevator-distance switch disconnects.Unusually open the state of (non-stop door be opened) layer by layer with D κ presentation layer door, D κ value is the result of DT κ and DS κ inclusive-OR operation, i.e. D κ=DT κ+DS κ.When D κ=0 (DT κ=0, DS κ=0), represent κ layer by layer door opened unusually, promptly κ layer by layer door be opened, layer door switch disconnects, and car is at κ layer flat bed, elevator-distance switch disconnects; When D κ=1 (DT κ=1, DS κ=1 or DT κ=0, DS κ=1 or DT κ=1, DS κ=0) time, represent κ layer by layer the door do not opened unusually, " DT κ=1; DS κ=1 " presentation layer door is closed gate and is opened, this moment, elevator car door system broke down, and " DT κ=0, DS κ=1 " presentation layer door is opened gate and opened, it is the flat bed door opening state, " DT κ=1, DS κ=0 " presentation layer door is closed gate and is closed, and promptly safety is walked the scalariform attitude.Below with elevator the 3rd layer of flat bed open the door and the 2nd layer by layer the state opened unusually of door as an example, the narration above illustrate sees also Fig. 2, the logic relation picture of layer door switch and elevator-distance switch state.When detecting D κ=0, system validation κ door is layer by layer opened unusually, starts alert program.
When layer door opened unusually, after micro controller system 11 detects this state, make crystal triode Q17 conducting by pin P06, relay R ELAY-GK gets electronic work, make K switch 1 closure, connect hoistway lamp loop 3, the outer personnel of hoistway can also clear situation about seeing in the hoistway after hearing alarm equipment alarm, realizes the protection to falling equally; Simultaneously, micro controller system 11 makes crystal triode Q18 conducting by pin P07, and relay R ELAY_MAIN gets electronic work, K switch 2 is opened, and disconnects the main power circuit of elevator, makes elevator out of service, thereby prevented the terraced phenomenon of walking of elevator, prevented the generation of shearing accident.
Claims (7)
1, a kind of elevator door is opened warning device unusually, it is characterized in that, it comprises interconnective warning device control circuit board (1) and hoistway circuit (2), and this hoistway circuit (2) is connected with layer door switch and elevator-distance switch.
2, elevator door as claimed in claim 1 is opened warning device unusually, it is characterized in that, this warning device control circuit board (1) comprise micro controller system (11) and with this micro controller system bonded assembly data selector (13).
3, elevator door as claimed in claim 2 is opened warning device unusually, it is characterized in that, it further comprises this alarm device control circuit board (1) and hoistway circuit (2) bonded assembly photoelectrical coupler (12), and this photoelectrical coupler (12) one ends output connects the input end of data selector (13).
4, elevator door as claimed in claim 2 is opened warning device unusually, it is characterized in that, this micro controller system is connected with LCD and shows (14).
5, elevator door as claimed in claim 1 is opened warning device unusually, it is characterized in that, it further comprises and this warning device control circuit board (1) bonded assembly hoistway lamp loop (3).
6, elevator door as claimed in claim 1 is opened warning device unusually, it is characterized in that, this hoistway circuit (2) is connected with warning circuit.
7, elevator door as claimed in claim 1 is opened warning device unusually, it is characterized in that, this micro controller system (11) also is connected with serial communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520120668 CN2846374Y (en) | 2005-12-22 | 2005-12-22 | Alarm device for lift layer door irregular open |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520120668 CN2846374Y (en) | 2005-12-22 | 2005-12-22 | Alarm device for lift layer door irregular open |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2846374Y true CN2846374Y (en) | 2006-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520120668 Expired - Lifetime CN2846374Y (en) | 2005-12-22 | 2005-12-22 | Alarm device for lift layer door irregular open |
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| CN (1) | CN2846374Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085990A (en) * | 2011-02-10 | 2011-06-08 | 重庆和航科技有限公司 | Intelligent warning system for abnormal opening of lift door and safety detecting method thereof |
| CN105217395A (en) * | 2015-10-19 | 2016-01-06 | 广州日滨科技发展有限公司 | Elevator hall's door lock automatic checkout equipment, system and method |
| CN106429687A (en) * | 2016-11-03 | 2017-02-22 | 李天璞 | Elevator step-missing-proof prewarning device and detecting method |
| CN106429693A (en) * | 2016-08-22 | 2017-02-22 | 苏州润吉驱动技术有限公司 | Alarm system for elevator abnormal door opening |
-
2005
- 2005-12-22 CN CN 200520120668 patent/CN2846374Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085990A (en) * | 2011-02-10 | 2011-06-08 | 重庆和航科技有限公司 | Intelligent warning system for abnormal opening of lift door and safety detecting method thereof |
| WO2012106836A1 (en) * | 2011-02-10 | 2012-08-16 | 重庆和航科技股份有限公司 | Smart alarm system for elevator landing door abnormal opening and safety inspection method for same |
| CN105217395A (en) * | 2015-10-19 | 2016-01-06 | 广州日滨科技发展有限公司 | Elevator hall's door lock automatic checkout equipment, system and method |
| CN106429693A (en) * | 2016-08-22 | 2017-02-22 | 苏州润吉驱动技术有限公司 | Alarm system for elevator abnormal door opening |
| CN106429687A (en) * | 2016-11-03 | 2017-02-22 | 李天璞 | Elevator step-missing-proof prewarning device and detecting method |
| CN106429687B (en) * | 2016-11-03 | 2019-04-23 | 李天璞 | A kind of elevator is anti-to step on Nuisance alarms device and detection method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20061213 |
|
| EXPY | Termination of patent right or utility model |