CN203845610U - Detection circuit for door lock loop of elevator - Google Patents
Detection circuit for door lock loop of elevator Download PDFInfo
- Publication number
- CN203845610U CN203845610U CN201420269333.XU CN201420269333U CN203845610U CN 203845610 U CN203845610 U CN 203845610U CN 201420269333 U CN201420269333 U CN 201420269333U CN 203845610 U CN203845610 U CN 203845610U
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- China
- Prior art keywords
- circuit
- door lock
- elevator
- loop
- lock loop
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Abstract
The utility model discloses a detection circuit for a door lock loop of an elevator. The detection circuit for the door lock loop of the elevator comprises a plurality of I/O (input/output) circuit modules, wherein the I/O circuit modules are used for detecting the door lock loop when the elevator runs to various floors respectively; all the I/O circuit modules are connected with the door lock loop; the door lock loop is a series circuit which is formed by serially connecting a car door lock switch SW0 and landing door lock switches of the various floors; the ith I/O circuit module comprises a phase correcting circuit connected with the door lock loop and an optical coupler connected with the phase correcting circuit; a positive output end of the phase correcting circuit is connected with a first pin of the optical coupler Ui via a resistor RI1; and a fourth pin of the optical coupler Ui is connected to a Vdd power end via a resistor Ri2, and is an output end Uio of the ith I/O circuit module. The detection circuit is simple, and is reasonable in design and high in using effect; wiring is facilitated; the door lock loop can be detected when the elevator runs to the various floors; and the accident rate caused by short circuiting of the door lock loop is reduced.
Description
Technical field
The utility model relates to a kind of elevator testing circuit, especially relates to a kind of elevator door lock loop testing circuit.
Background technology
In running process of elevator, have more potential safety hazard, it is relevant that wherein door-locking system is all followed in the generation of most problems, as the ladder that opens the door away.Elevator door plays very important effect in elevator safety operation process, and it is as the fender guard of a kind of fall arrest and anti-shearing, and the normal operation of elevator depends on effectively closing of layer door.Under normal circumstances, the means that checking layer door effectively closed are elevator cage door loop to be connected in series to the control circuit of delivering to elevator as a signal with all layers loop detect, specifically by gate lock-switch SW0 and all layers door switch SW1, SW2 ..., SWn is all connected in series formation loop of the door lock, one of necessary condition using this as elevator safety operation.Nowadays, some elevator originating firms are by gate lock-switch SW0 and all layer door switch SW1, SW2, SWn serial connection forms after loop of the door lock, and elevator installation personnel reserves safety switch test point on few cabling is also not in control housing, and in elevator reparing process, need loop of the door lock short circuit (by the terminal point A in loop of the door lock and terminal point B short circuit), after having keeped in repair, if the shorting stub that maintainer does not remove loop of the door lock because of carelessness, make elevator control loop judge all Rooms door by accident and all control elevator operation in closed condition, there is the situation that elevator does not move under closed condition at layer door, so very easily occur that personnel fall and shearing accident.In addition, existing elevator detecting gate lock loop in the time that elevator arrives ground floor and attic only mostly, thereby there is larger potential safety hazard.
To sum up, nowadays lack simple, the reasonable in design and easy-to-connect of a kind of circuit, elevator door lock loop testing circuit that result of use is good, in the time that elevator moves to each floor, all carry out loop of the door lock detection, reduce the accident rate causing because of loop of the door lock short circuit.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of elevator door lock loop testing circuit is provided, simple, the reasonable in design and easy-to-connect of its circuit, result of use are good, can in the time that elevator moves to each floor, all carry out loop of the door lock detection.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of elevator door lock loop testing circuit, it is characterized in that: comprise multiple I/O circuit modules that in the time that elevator moves to each floor, loop of the door lock detected respectively, the quantity of described I/O circuit module is for n is individual and its quantity is identical with the total quantity of floor that elevator moves, n described I/O circuit module all joins with described loop of the door lock, and wherein n is positive integer and n>=3; Described loop of the door lock is to be connected in series by the layer door switch of gate lock-switch SW0 and n floor the circuit series forming, n floor layer a door switch be denoted as respectively SW1, SW2 ..., SWn, on described loop of the door lock, be provided with terminal point k1, k2 that n joins with n described I/O circuit module respectively ..., kn, wherein terminal point ki and i described I/O circuit module joins, terminal point ki is the terminal point between layer door switch SWj and layer door switch SWi, wherein i be positive integer and i=1,2 ..., n, j=i-1; I described I/O circuit module comprises the phase place circuit for rectifying joining with described loop of the door lock and the optocoupler Ui joining with described phase place circuit for rectifying, and the positive output end of described phase place circuit for rectifying is through resistance R
i1join with the 1st pin of optocoupler Ui afterwards, the 2nd pin of optocoupler Ui and the equal ground connection of the 4th pin, the 4th pin of optocoupler Ui is through resistance R
i2after connect Vdd power end, the 4th pin of optocoupler Ui is the mouth U of i described I/O circuit module
io.
Above-mentioned a kind of elevator door lock loop testing circuit, is characterized in that: i described I/O circuit module also comprises light emitting diode LEDi, and the 4th pin of the anode of light emitting diode LEDi and optocoupler Ui joins and its negative ground.
Above-mentioned a kind of elevator door lock loop testing circuit, is characterized in that: described phase place circuit for rectifying is by diode D
i1, D
i2, D
i3and D
i4the rectifier bridge of composition, an input end of described rectifier bridge and terminal point ki joins and its another input end grounding.
Above-mentioned a kind of elevator door lock loop testing circuit, is characterized in that: described Vdd power end is+5V power supply.
Above-mentioned a kind of elevator door lock loop testing circuit, it is characterized in that: one end ground connection of described circuit series and its other end and elevator control loop join, terminals between described circuit series and described elevator control loop are terminals TMS, described terminals TMS by first to after after gate lock-switch SW0 and n described layer door switch ground connection.
The utility model compared with prior art has the following advantages:
1, simple, the reasonable in design and easy-to-connect of circuit, input cost is lower.
2, use easy and simple to handle, each floor layer door switch state intuitive display.
3, result of use is good, all carries out loop of the door lock detection in the time that elevator moves to each floor, can effectively reduce the accident rate causing because of loop of the door lock short circuit, effectively reduces the potential safety hazard that elevator exists.
In sum, simple, the reasonable in design and easy-to-connect of the utility model circuit, result of use are good, can in the time that elevator moves to each floor, all carry out loop of the door lock detection, reduce the accident rate causing because of loop of the door lock short circuit.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is schematic circuit diagram of the present utility model.
Fig. 2 is the schematic circuit diagram of i I/O circuit module of the utility model.
Detailed description of the invention
As shown in Figure 1 and Figure 2, the utility model comprises multiple I/O circuit modules that in the time that elevator moves to each floor, loop of the door lock detected respectively, the quantity of described I/O circuit module is for n is individual and its quantity is identical with the total quantity of floor that elevator moves, n described I/O circuit module all joins with described loop of the door lock, and wherein n is positive integer and n >=3.Described loop of the door lock is to be connected in series by the layer door switch of gate lock-switch SW0 and n floor the circuit series forming, n floor layer a door switch be denoted as respectively SW1, SW2 ..., SWn, on described loop of the door lock, be provided with terminal point k1, k2 that n joins with n described I/O circuit module respectively ..., kn, wherein terminal point ki and i described I/O circuit module joins, terminal point ki is the terminal point between layer door switch SWj and layer door switch SWi, wherein i be positive integer and i=1,2 ..., n, j=i-1.I described I/O circuit module comprises the phase place circuit for rectifying joining with described loop of the door lock and the optocoupler Ui joining with described phase place circuit for rectifying, and the positive output end of described phase place circuit for rectifying is through resistance R
i1join with the 1st pin of optocoupler Ui afterwards, the 2nd pin of optocoupler Ui and the equal ground connection of the 4th pin, the 4th pin of optocoupler Ui is through resistance R
i2after connect Vdd power end, the 4th pin of optocoupler Ui is the mouth U of i described I/O circuit module
io.
In the present embodiment, n described I/O circuit module be denoted as respectively I/O-1, I/O-2 ..., I/O-n, i described I/O circuit module is denoted as I/O-i.
In the present embodiment, i described I/O circuit module also comprises light emitting diode LEDi, and the 4th pin of the anode of light emitting diode LEDi and optocoupler Ui joins and its negative ground.
In the present embodiment, described phase place circuit for rectifying is by diode D
i1, D
i2, D
i3and D
i4the rectifier bridge of composition, an input end of described rectifier bridge and terminal point ki joins and its another input end grounding.
In the present embodiment, described Vdd power end is+5V power supply.
When actual use, can according to specific needs, the magnitude of voltage of described Vdd power end be adjusted accordingly.
In the present embodiment, one end ground connection of described circuit series and its other end and elevator control loop join, terminals between described circuit series and described elevator control loop are terminals TMS, described terminals TMS by first to after after gate lock-switch SW0 and n described layer door switch ground connection.
When physical cabling, the loop of the door lock detection signal input end of described terminals TMS and electric life controller joins.And, described terminals TMS by first to after through gate lock-switch SW0, layer door switch SW1, layer door switch SW2 ..., ground connection after layer door switch SW (n-1) and layer door switch SWn.
When actual use, when elevator moves to after i floor, and before again starting operation, all by the utility model, the on off state of each layer door switch is detected: when layer door switch SWi of i floor is during in open mode, light emitting diode LEDi is in opening; Otherwise when the layer door switch SWi of i floor is during in closed condition, light emitting diode LEDi is in closed condition, thus can be easy, intuitively the on off state of layer door switch Swi is detected.To sum up, in actual use procedure, by the utility model, the on off state of each layer of door switch is detected, so just can guarantee that when when layer door switch SWi is during in closed condition, elevator starts operation again.
In the present embodiment, n=6.When actual use, can according to specific needs, the value size of n be adjusted accordingly, i=1,2 ..., 6.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.
Claims (5)
1. an elevator door lock loop testing circuit, it is characterized in that: comprise multiple I/O circuit modules that in the time that elevator moves to each floor, loop of the door lock detected respectively, the quantity of described I/O circuit module is for n is individual and its quantity is identical with the total quantity of floor that elevator moves, n described I/O circuit module all joins with described loop of the door lock, and wherein n is positive integer and n>=3; Described loop of the door lock is to be connected in series by the layer door switch of gate lock-switch SW0 and n floor the circuit series forming, n floor layer a door switch be denoted as respectively SW1, SW2 ..., SWn, on described loop of the door lock, be provided with terminal point k1, k2 that n joins with n described I/O circuit module respectively ..., kn, wherein terminal point ki and i described I/O circuit module joins, terminal point ki is the terminal point between layer door switch SWj and layer door switch SWi, wherein i be positive integer and i=1,2 ..., n, j=i-1; I described I/O circuit module comprises the phase place circuit for rectifying joining with described loop of the door lock and the optocoupler Ui joining with described phase place circuit for rectifying, and the positive output end of described phase place circuit for rectifying is through resistance R
i1join with the 1st pin of optocoupler Ui afterwards, the 2nd pin of optocoupler Ui and the equal ground connection of the 4th pin, the 4th pin of optocoupler Ui is through resistance R
i2after connect Vdd power end, the 4th pin of optocoupler Ui is the mouth U of i described I/O circuit module
io.
2. according to a kind of elevator door lock loop testing circuit claimed in claim 1, it is characterized in that: i described I/O circuit module also comprises light emitting diode LEDi, and the 4th pin of the anode of light emitting diode LEDi and optocoupler Ui joins and its negative ground.
3. according to a kind of elevator door lock loop testing circuit described in claim 1 or 2, it is characterized in that: described phase place circuit for rectifying is by diode D
i1, D
i2, D
i3and D
i4the rectifier bridge of composition, an input end of described rectifier bridge and terminal point ki joins and its another input end grounding.
4. according to a kind of elevator door lock loop testing circuit described in claim 1 or 2, it is characterized in that: described Vdd power end is+5V power supply.
5. according to a kind of elevator door lock loop testing circuit described in claim 1 or 2, it is characterized in that: one end ground connection of described circuit series and its other end and elevator control loop join, terminals between described circuit series and described elevator control loop are terminals TMS, described terminals TMS by first to after after gate lock-switch SW0 and n described layer door switch ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420269333.XU CN203845610U (en) | 2014-05-23 | 2014-05-23 | Detection circuit for door lock loop of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420269333.XU CN203845610U (en) | 2014-05-23 | 2014-05-23 | Detection circuit for door lock loop of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203845610U true CN203845610U (en) | 2014-09-24 |
Family
ID=51558651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420269333.XU Expired - Fee Related CN203845610U (en) | 2014-05-23 | 2014-05-23 | Detection circuit for door lock loop of elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203845610U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816996A (en) * | 2015-05-07 | 2015-08-05 | 广州永日电梯有限公司 | Detecting method of short circuit of door lock loop of elevator landing door |
| CN105236229A (en) * | 2015-10-30 | 2016-01-13 | 林肯电梯(中国)有限公司 | Elevator state detection circuit |
| CN110482355A (en) * | 2019-09-16 | 2019-11-22 | 深圳市松达电梯有限公司 | A kind of door lock of elevator detection circuit and device |
| CN111123088A (en) * | 2020-01-04 | 2020-05-08 | 广东卓梅尼技术股份有限公司 | Elevator door lock detection circuit |
-
2014
- 2014-05-23 CN CN201420269333.XU patent/CN203845610U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816996A (en) * | 2015-05-07 | 2015-08-05 | 广州永日电梯有限公司 | Detecting method of short circuit of door lock loop of elevator landing door |
| CN105236229A (en) * | 2015-10-30 | 2016-01-13 | 林肯电梯(中国)有限公司 | Elevator state detection circuit |
| CN110482355A (en) * | 2019-09-16 | 2019-11-22 | 深圳市松达电梯有限公司 | A kind of door lock of elevator detection circuit and device |
| CN111123088A (en) * | 2020-01-04 | 2020-05-08 | 广东卓梅尼技术股份有限公司 | Elevator door lock detection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140924 Termination date: 20190523 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |