CN2447315Y - Short-circuit operation alarm for door lock and safety loop of elevator - Google Patents
Short-circuit operation alarm for door lock and safety loop of elevator Download PDFInfo
- Publication number
- CN2447315Y CN2447315Y CN 00220289 CN00220289U CN2447315Y CN 2447315 Y CN2447315 Y CN 2447315Y CN 00220289 CN00220289 CN 00220289 CN 00220289 U CN00220289 U CN 00220289U CN 2447315 Y CN2447315 Y CN 2447315Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- elevator
- door lock
- annunciator
- short circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model relates to a short-circuit operation alarm for door locks and safety loops of elevators, which is composed of a power circuit, a logical (enlargement) circuit, a sampling circuit, a driving output circuit and an alarm circuit, wherein, the sample input end of the sampling circuit is connected either to a branch circuit of a short circuit end or to a working loop of a relay of an elevator, the output end of the sampling circuit is connected to the input end of the logical (enlargement) circuit, furthermore, the output end of the logical (enlargement) circuit is connected with the output end of the driving output circuit, and the output end of the driving output circuit is connected to the alarm circuit. The design can automatically and rapidly judge whether short circuit operation exists in door locks or safety loops of elevators, and initiative alarm prompt is obtained through sound and light.
Description
The utility model relates to a kind of electronic alarm device, especially is applicable to the annunciator of door lock of elevator, the operation of safety return circuit short circuit.
Elevator is the equipment that modern architecture is used always, and the Room door lock that is positioned at each floor is the device of hoistway door safety control, and it comprises an auxiliary contact switch, and when Room door was closed, this contact conducting disconnected when Room door is opened.In the loop of the door lock of elevator, each contact is cascaded, and when promptly any one Room door is opened, door lock relay (KFC) is discharged.And lock with the gate that elevator moves up and down also is a kind of switch, is installed on the gate, and conducting when gate is shut disconnects when gate is opened, and it and Room door lock are cascaded.Safety return circuit also is to be cascaded by a plurality of switches.In elevator reparing and debugging, often need short circuit loop of the door lock and safety return circuit, after door lock of elevator or safety return circuit are by short circuit, the elevator operation is just in the hole, because whether elevator can't be judged all Room doors, gate and shut, or not safety switch action, cause to squeeze and hinder, cut and hurt sb.'s feelings or phenomenon such as damage equipment at the elevator doorway place.The method of avoiding this phenomenon at present can only be merely to rely on the careful of operating personal and some caution posters.
The purpose of this utility model provides a kind of electronic alarm, whether door lock or the safety return circuit of judging elevator automatically apace exist the short circuit operation, and with acousto-optic initiatively the alarm relevant personnel note and move in order to the control elevator with relay output state on-off signal, thereby avoid the generation of above-mentioned accident accurately and efficiently.
For achieving the above object, the technical solution of the utility model is, this annunciator is made of power circuit, logic (amplification) circuit, sample circuit, driving output circuit and warning circuit, sample circuit sampling input end or insert in the shorted end branch road or be connected in the elevator relay work loop, the mouth of sample circuit is connected to the input end of logic (amplification) circuit, the mouth of logic (amplification) circuit is connected with driving output circuit mouth, drives the output circuit mouth and is connected to warning circuit.Sample circuit or detect in the short circuit terminal when the normal operation short circuit operate variation of electric current or detection relay work loop in the variation of electric current in the shorting stub front stage circuits.The concrete mode of the original circuit of sample circuit access elevator has three kinds in the technique scheme, one, and two groups of input ends of sample circuit are connected in series respectively among elevator short circuit terminal IC08 and the IC09; Its two, the some electromagnetic sensors of sample circuit input termination, described sensor or place place, door lock of elevator loop respectively; Its three, the some electromagnetic sensors of sample circuit input termination, described sensor or place all short circuit terminals of elevator branch road place respectively.
Under above-mentioned first kind of access way situation, when elevator short circuit terminal IC01 respectively with elevator short circuit terminal IC08 or (with) IC09 short circuit when operation, the electric current that in the sample circuit one group or two groups of input ends just detect in the short circuit terminal branch road changes, even with driving the action of output circuit and warning circuit.
Under above-mentioned second kind of access way situation, sensor is if place place, door lock of elevator loop respectively, and when elevator short circuit terminal short circuit was operated, door lock of elevator produced electric current in the loop, and sensor is delivered to decision circuit to this current signal after amplifying.
Under above-mentioned the third access way situation; sensor when elevator short circuit terminal short circuit is operated, produces electric current in the elevator short circuit terminal branch road if place all short circuit terminals of elevator branch road place respectively; sensor is delivered to decision circuit to this current signal after amplifying, realize warning, defencive function.
For achieving the above object, the utility model has an easy technical scheme in addition, this annunciator is made of power circuit, switch circuit and warning circuit, the relay that switch circuit is controlled is serially connected in the elevator short circuit terminal IC09 branch road, and two input ends of whole annunciator power circuit are connected to the other end of elevator short circuit terminal IC09 and door lock relay respectively.This technical scheme is to utilize auxiliary element to realize the short circuit operation indirectly, realizes warning, defencive function by the state that detects auxiliary element.
The utility model has the advantages that whether door lock or the safety return circuit that can judge elevator automatically apace exist the short circuit operation, and with acousto-optic initiatively the alarm relevant personnel note and relay output state on-off signal in order to the operation of control elevator, such as a secondary normally closed contact being sealed in the maintenance loop, make elevator be converted to inspecting state automatically, thereby avoid the generation of above-mentioned accident accurately and efficiently.
Accompanying drawing 1 is that the utility model circuit is formed and functional block diagram.
Accompanying drawing 2 is that the utility model embodiment one annunciator inserts the form figure in the former lift circuit.
Accompanying drawing 3 is schematic circuit diagram of the utility model embodiment one.
Accompanying drawing 4 is that the utility model embodiment two annunciators insert the form figure in the former lift circuit.
Accompanying drawing 5 is schematic circuit diagram of the utility model embodiment two.
Accompanying drawing 6 is that the utility model embodiment three annunciators insert the form figure in the former lift circuit.
Accompanying drawing 7 is schematic circuit diagram of the utility model embodiment three.
Accompanying drawing 8 is loop of the door lock and maintenance circuit theory figure of 300VF elevator.
Introduce three specific embodiments of the present utility model below in conjunction with accompanying drawing.These three embodiment serve as the repacking object with 300VF door lock of elevator loop and maintenance loop (circuit theory as shown in Figure 8) all, among Fig. 8, IC08 is a Room door lock short circuit terminal, IC09 is a gate lock short circuit terminal, KFC is the door lock relay, TIC is the cage top overhauling switch, and TIM is the machine room inspection switch, and INS is the maintenance cutout relay.
Embodiment one: this example annunciator insert in the elevator primary circuit the access form as shown in Figure 2, annunciator integrated circuit principle is as shown in Figure 3.This circuit is applicable to elevator safety, the door lock control loop of two types of AC and DCs, concrete principle of work and process are as follows: the sample circuit that quartz conductor is formed places the shorting stub branch road, and guarantees electricity isolation and self sensitivity with detected circuit with optocoupler as isolated component.When carrying out the short circuit operation, electric current will flow through from the sampling device, and at this moment electric current is at first by resistance and optocoupler input end; The electric current redundance flows through the output conducting of optocoupler at this moment from the path that four diodes are formed.Because the mouth of optocoupler extremely links to each other with thyristor control, thereby makes the thyristor conducting, drives output relay and warning circuit work then.After all shorting stubs are removed, press reset button, cut off thyristor and keep electric current, recover normal condition.This circuit applicable situation is extremely wide, not rate direct current, interchange, and what of voltage height and short circuit branch road can both carry out normal operation.
Embodiment two: the access form in this example annunciator access elevator primary circuit is (being another kind of access way in the empty frame) as shown in Figure 4, and the alarm circuit principle as shown in Figure 5.Concrete principle of work of this circuit and process are as follows: because electrified wire can cause the variation in magnetic field around it, so this circuit adopts Magnetic Sensor to detect the variation of lead surrounding magnetic field.In this circuit, Magnetic Sensor is positioned in door lock major loop or its short circuit branch road, and when carrying out the short circuit operation, the modes of emplacement that Magnetic Sensor is different, detected signal are just different, and no current flows through in the controlled lead because necessarily have.Signal is amplified through amplifier, and after it is carried out logical process, promptly obtain the short circuit operation signal, with this signal control thyristor driver output relay and warning circuit work.The principle that resets also is that thyristor is kept failure of current.Two kinds of circuit Applicable scope that this example provides are wider, exchange, direct current all can, short circuit branch road quantity is not limit, and electric current in the loop is had certain requirement, but present door lock of elevator and safety return circuit can both satisfy.
Embodiment three: this example annunciator insert in the elevator primary circuit the access form as shown in Figure 6, annunciator integrated circuit principle is as shown in Figure 7.Concrete principle of work of this circuit and process are as follows: this circuit working principle is simple, utilize a relay as auxiliary element, the secondary open contact of one is inserted door lock relay input circuit, when the short circuit terminal of using appointment carries out the short circuit operation, this relay is at first closed, by its open contact that the door lock relay is also closed then, thus realize indirect short circuit, and go to drive warning circuit work and insert the operation of elevator control loop control elevator with other contact of relief relay.This circuit is fit to existing any occasion, but short circuit branch road quantity is had requirement, and measuring ability is very imperfect.
Claims (4)
1, a kind of door lock of elevator, safety return circuit short circuit operation annunciator, it is characterized in that: this annunciator is made of power circuit, logic (amplification) circuit, sample circuit, driving output circuit and warning circuit, sample circuit sampling input end or insert in the shorted end branch road or be connected in the elevator relay work loop, the mouth of sample circuit is connected to the input end of logic (amplification) circuit, the mouth of logic (amplification) circuit is connected with driving output circuit mouth, drives the output circuit mouth and is connected to warning circuit.
2, door lock of elevator according to claim 1, safety return circuit short circuit operation annunciator is characterized in that two groups of input ends of sample circuit are connected in series respectively among elevator short circuit terminal IC08 and the IC09.
3, door lock of elevator according to claim 1, safety return circuit short circuit operation annunciator, it is characterized in that the some electromagnetic sensors of sample circuit input termination, described sensor or place place, door lock of elevator loop respectively or place all short circuit terminals of elevator branch road place respectively.
4, a kind of door lock of elevator, safety return circuit short circuit operation annunciator, it is characterized in that: this annunciator is made of power circuit, switch circuit and warning circuit, the relay that switch circuit is controlled is serially connected in the elevator short circuit terminal IC09 branch road, and two input ends of whole annunciator power circuit are connected to the other end of elevator short circuit terminal IC09 and door lock relay respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00220289 CN2447315Y (en) | 2000-05-15 | 2000-05-15 | Short-circuit operation alarm for door lock and safety loop of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00220289 CN2447315Y (en) | 2000-05-15 | 2000-05-15 | Short-circuit operation alarm for door lock and safety loop of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2447315Y true CN2447315Y (en) | 2001-09-12 |
Family
ID=33585368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00220289 Expired - Fee Related CN2447315Y (en) | 2000-05-15 | 2000-05-15 | Short-circuit operation alarm for door lock and safety loop of elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2447315Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941631A (en) * | 2010-09-01 | 2011-01-12 | 广东菱王电梯有限公司 | Anti-short-circuit system of elevator door lock |
| CN104627767A (en) * | 2013-11-15 | 2015-05-20 | 日立电梯（中国）有限公司 | System and method for preventing engineers from falling to elevator shaft |
| CN105829232A (en) * | 2013-12-18 | 2016-08-03 | 因温特奥股份公司 | Safety system for an elevator system |
| CN106185570A (en) * | 2016-08-26 | 2016-12-07 | 上海新时达电气股份有限公司 | The detection device of door lock of elevator short circuit |
| CN107098237A (en) * | 2017-03-30 | 2017-08-29 | 深圳市海浦蒙特科技有限公司 | Door lock of elevator detection method and elevator call addressing method |
-
2000
- 2000-05-15 CN CN 00220289 patent/CN2447315Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941631A (en) * | 2010-09-01 | 2011-01-12 | 广东菱王电梯有限公司 | Anti-short-circuit system of elevator door lock |
| CN104627767A (en) * | 2013-11-15 | 2015-05-20 | 日立电梯（中国）有限公司 | System and method for preventing engineers from falling to elevator shaft |
| CN104627767B (en) * | 2013-11-15 | 2017-10-13 | 日立电梯（中国）有限公司 | It is a kind of to prevent engineering staff to fall the system and method for elevator hoistways |
| CN105829232A (en) * | 2013-12-18 | 2016-08-03 | 因温特奥股份公司 | Safety system for an elevator system |
| CN105829232B (en) * | 2013-12-18 | 2017-12-08 | 因温特奥股份公司 | Security system for lift facility |
| CN106185570A (en) * | 2016-08-26 | 2016-12-07 | 上海新时达电气股份有限公司 | The detection device of door lock of elevator short circuit |
| CN107098237A (en) * | 2017-03-30 | 2017-08-29 | 深圳市海浦蒙特科技有限公司 | Door lock of elevator detection method and elevator call addressing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105305620B (en) | A kind of breaker closing control loop template monitoring system | |
| CN106744112A (en) | The detection circuit and detection method of elevator door lock loop short circuit | |
| EP2980659B1 (en) | Device and method for monitoring and switching a load circuit | |
| CN207404646U (en) | A kind of elevator seals door lock detecting device | |
| CN206407772U (en) | The detection circuit of elevator door lock loop short circuit | |
| CN109254245A (en) | A kind of short circuit of relay circuit and open detection circuit | |
| CN101059548A (en) | Magnet coil break detection circuit | |
| CN2447315Y (en) | Short-circuit operation alarm for door lock and safety loop of elevator | |
| CN1401555A (en) | Dropping- and shearing-preventing elevator safety door lock controlling system | |
| CN101382572B (en) | Novel detection device for protector for surge | |
| CN112383031B (en) | Switch protection method for power source system for transformer substation | |
| CN2324133Y (en) | Elevator trouble detection and saving apparatus | |
| CN206705428U (en) | A kind of elevator safety loop detects circuit | |
| CN107140496B (en) | Vertical elevator pit overhauling and resetting device | |
| CN101699305B (en) | Automatic circuit fault diagnosis and alarm device | |
| CN2568609Y (en) | Anti-faling, anti-shearing elevator door safety lock | |
| CN109095298A (en) | Elevator device | |
| CN214124818U (en) | Switch protection device for power source system for transformer substation | |
| CN210109608U (en) | Transformer substation's electric box cabinet door open-close state detecting system | |
| CN109132813B (en) | Elevator door circuit and short circuit detection method thereof | |
| CN112165073A (en) | Current transformer secondary circuit open-circuit protection device and method | |
| CN220115992U (en) | Simple elevator on-line monitoring system | |
| CN205772574U (en) | A kind of monitoring device of band-type brake detection switch | |
| CN219574311U (en) | Switching circuit for detecting miniature relay | |
| CN205899375U (en) | Rail vehicle door controller detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NANJING RUNER HONGXIN SCIENCE CO., LTD. Free format text: FORMER NAME OR ADDRESS: RUN ER SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD., NANJING |
|
| CP03 | Change of name, title or address |
Address after: 210009, Jinshan building, No. 24, Shanxi Road, Nanjing, 27 Patentee after: Nanjing Runer Hongxin Science & Technology Co., Ltd. Address before: 210016, 201 business building, Hilton Hotel, 319 East Zhongshan Road, Nanjing Patentee before: Run'er Science and Technology Development Co., Ltd., Nanjing |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |