CN203095329U - Device for detecting passengers in elevator lift car - Google Patents
Device for detecting passengers in elevator lift car Download PDFInfo
- Publication number
- CN203095329U CN203095329U CN 201320087438 CN201320087438U CN203095329U CN 203095329 U CN203095329 U CN 203095329U CN 201320087438 CN201320087438 CN 201320087438 CN 201320087438 U CN201320087438 U CN 201320087438U CN 203095329 U CN203095329 U CN 203095329U
- Authority
- CN
- China
- Prior art keywords
- input interface
- signal
- circuit
- interface
- lift car
- 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
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The utility model provides a device for detecting passengers in an elevator life car. The device comprises an infrared sensor switch and a signal processing unit which are arranged in the elevator lift car. The signal processing unit comprises a first input interface, a second input interface, a third input interface, a fourth input interface and an output interface used for outputting a signal that passengers are in the life car, and the signal processing unit is connected with the infrared sensor switch through the first input interface, is connected with an elevator door-open in-place signal line through the second input interface, is connected with an elevator door-closed in-place signal line through the third input interface, and is connected with an elevator operation control system through the fourth input interface. According to the detecting device, the infrared sensor switch detecting signals are combined with door-open states, door-closed states and operation signals, and the detecting accuracy of the signals that the passengers are in the elevator lift car can be effectively improved.
Description
Technical field
The utility model relates to the elevator safety field, more particularly, relates to passenger sensory device in a kind of lift car.
Background technology
Along with the development of society, the elevator safety accident receives the concern of society day by day, and wherein the strick precaution of elevator fatal accident is particularly important.At present in the elevator fatal accident is taken precautions against, main by pushing up at lift car or side installation human-body infrared sensing device switch, judge whether have the passenger to exist in the car by the action pulse signal of this switch, thereby for the strick precaution of elevator safety accident, in time handle important references is provided.
General human-body infrared sensing device switch is by high Seebeck coefficient detective cell, and the infrared radiation that detection is received is transformed into faint voltage signal, and the form with impulse singla after field effect transistor is amplified is exported.When the passenger before the above-mentioned human-body infrared sensing device switch through out-of-date, the infrared signal that human body sends is received by sensing switch, and with dynamic impulse form output human detection signal.When carrying out the human body signal detection, the necessary condition that meet human body infrared wavelength, vertical shifting is the accurate output of human-body infrared sensing device switch before sensor.
Yet, the human-body infrared sensing device switch of in lift car, installing, if the static time of human body has surpassed the sense cycle of sensor, human-body infrared sensing device switch will produce wrong report after the passenger enters car, be judged as someone unmanned; After elevator arrives at a station, after the passenger leaves car, if time of leaving in the detection time of sensor, then this human body infrared sensor switch also will be reported by mistake, and nobody has been judged as the people; And when the sense cycle of human-body infrared sensing device switch less than 2 seconds, frequent have people, unmanned skip signal will appear.
The utility model content
The technical problems to be solved in the utility model is, easily reports and be easy to generate the problem of frequent saltus step by mistake at above-mentioned human-body infrared sensing device switch occupant detection in lift car, and passenger sensory device in a kind of lift car is provided.
The technical scheme that the utility model solves the problems of the technologies described above is, passenger sensory device in a kind of lift car is provided, and comprises the infrared sensor switch and the signal processing unit that are installed in the lift car; Described signal processing unit comprises first input interface, second input interface, the 3rd input interface, the 4th input interface and is used to export the output interface that elevator has people's signal, and by first input interface connect described infrared sensor switch, by second input interface connect elevator open the door put in place signal wire (SW), connect elevator door-closing in-place signal wire (SW), connect the elevator operation control system by the 3rd input interface by the 4th input interface.
In lift car described in the utility model in the passenger sensory device, described signal processing unit is made of control chip, and described first input interface, second input interface, the 3rd input interface, the 4th input interface and output interface are respectively the pin of described control chip.
In lift car described in the utility model in the passenger sensory device, described signal processing unit comprises OR circuit, AND circuit, first signal output apparatus, two input ends of wherein said OR circuit connect the effective time output useful signal of the 3rd input interface and the 4th input interface and a signal in two signals of input end respectively, two input ends of described AND circuit connect the mouth and first input interface of OR circuit respectively and export useful signal when two signals of input end are all effective, and the input end of described first signal output apparatus connects the mouth of AND circuit, mouth connects output interface and exports when the signal of input end is effective people's signal.
In lift car described in the utility model in the passenger sensory device, described signal processing unit comprises the secondary signal output circuit, and the input end of wherein said secondary signal output circuit connects second input interface and the 3rd input interface, mouth connects output interface and exports when two signals of input end are all effective people's signal.
In lift car described in the utility model in the passenger sensory device, described signal processing unit comprises first timekeeping circuit and the 3rd signal output apparatus, the mouth of wherein said the 3rd signal output apparatus connect output interface, input end connect respectively first input interface, the 3rd input interface, the 4th input interface and first timekeeping circuit and the signal of first input interface effectively, the 3rd input interface signal effectively, export unmanned signal when the 4th input interface invalidating signal state keeps 10 seconds.
In lift car described in the utility model in the passenger sensory device, described infrared sensor switch comprises second timekeeping circuit, described second timekeeping circuit was every one second output detection signal, and described infrared sensor switch is according to described detection signal picked-up infrared signal.
In the passenger sensory device, described infrared sensor switch comprises Fresnel Lenses in lift car described in the utility model.
Implement that passenger sensory device has following beneficial effect in the lift car of the present utility model: by the door opening state of infrared sensor switch detection signal and elevator, the state of closing the door, run signal are mutually combined, can actv. improve the accuracy rate of the interior passenger's signal detection of lift car.
Description of drawings
Fig. 1 is the scheme drawing of passenger sensory device embodiment in the utility model lift car.
Fig. 2 is the scheme drawing of signal processing unit first embodiment among Fig. 1.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, be the scheme drawing of passenger sensory device embodiment in the utility model lift car.Detecting device in the present embodiment comprises infrared sensor switch 20 and signal processing unit 10, wherein infrared sensor switch 20 is installed in the lift car (for example elevator car roof or side), infrared signal with the passenger institute radiation in the picked-up elevator cage, signal processing unit 10 comprises first input interface 11, second input interface 12, the 3rd input interface 14, the 4th input interface 14 and be used to export the output interface 15 that elevator has people's signal, and connect infrared sensor switch by first input interface 11, connect the elevators signal wire (SW) that puts in place that opens the door by second input interface 12, connect elevator door-closing in-place signal wire (SW) by the 3rd input interface 13, connect the elevator operation control system by the 4th input interface 14.
In an embodiment of the present utility model, signal processing unit 10 can be made of a control chip (IC), and wherein first input interface 11, second input interface 12, the 3rd input interface 13, the 4th input interface 14 and output interface 15 are respectively the different pins of this control chip.
Among this embodiment, control chip (i.e. in the 3rd input interface 13 and the 4th input interface 14 output useful signal) and infrared sensor switch 20 in elevator door-closing in-place or operational process have detected people's signal (i.e. first input interface, 11 output useful signals), and in the judgement lift car people being arranged and reporting by output interface 15 has the people in the lift car; When elevator open the door put in place after (i.e. second input interface 12 output useful signals), control chip resets, and (last judged result has the people and pass in and out car this moment, has the people in the car), and after infrared sensor switch detected people's signal (i.e. first input interface, 11 output useful signals), directly reporting by output interface 15 had the people in the lift car; (this moment, the passenger left car after the normal operation of elevator stops (i.e. the 4th input interface output invalid signals), may stay infrared surplus temperature at car, behind the car door-closing in-place, the Yu Wen diffusion is not obvious may be arrived by sensor), control chip stops and elevator door is shut (i.e. the 4th input interface 14 output invalid signals and the 3rd input interface 13 output useful signals) back timing 10 seconds in the normal operation of elevator, if infrared sensor switch 20 detects less than people's signal (promptly first input interface 11 was exported invalid signals in continuous 10 seconds) and then exports unmanned signal by output interface in continuous 10 seconds.
In addition, signal processing unit 10 also can comprise the secondary signal output circuit, and the input end of this secondary signal output circuit connects second input interface 12 and the 3rd input interface 13, mouth connects output interface 15 and exports when two signals of input end are all effective people's signal.Above-mentioned signal processing unit 10 also can comprise first timekeeping circuit and the 3rd signal output apparatus, wherein the mouth of the 3rd signal output apparatus connects output interface 15, input end connects first input interface 11 respectively, the 3rd input interface 13, the 4th input interface 14 and first timekeeping circuit, and effective at the signal of first input interface 11, the 3rd input interface signal effective 13, exporting unmanned signal when the 4th input interface signal 14 disarmed states keep 10 seconds (stops in the elevator operation, behind the door-closing in-place in 10 seconds infrared sensor switch 20 all do not detected man-hour and exported unmanned signal).
Sense cycle for control infrared sensor switch 20, above-mentioned infrared sensor switch 20 can comprise second timekeeping circuit, this second timekeeping circuit was every one second output detection signal, infrared sensor switch absorbs infrared signal according to detection signal, and promptly the sense cycle of infrared sensor switch 20 is 1 second.
Because the infrared ray centre wavelength of human body radiation is 9 ~ 10um, can be at the top of infrared sensor switch 20 dress filter glass (for example Fresnel Lenses), narrow down to 7 ~ 10um scope with the wavelength that detective cell is detected from 0.2 ~ 20um, form special-purpose human infrared sensor, further improve accuracy of detection.
The above; it only is the preferable specific embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (7)
1. the interior passenger sensory device of lift car comprises the infrared sensor switch that is installed in the lift car, and it is characterized in that: described passenger sensory device also comprises signal processing unit; Described signal processing unit comprises first input interface, second input interface, the 3rd input interface, the 4th input interface and is used to export the output interface that elevator has people's signal, and by first input interface connect described infrared sensor switch, by second input interface connect elevator open the door put in place signal wire (SW), connect elevator door-closing in-place signal wire (SW), connect the elevator operation control system by the 3rd input interface by the 4th input interface.
2. passenger sensory device in the lift car according to claim 1, it is characterized in that: described signal processing unit is made of control chip, and described first input interface, second input interface, the 3rd input interface, the 4th input interface and output interface are respectively the pin of described control chip.
3. passenger sensory device in the lift car according to claim 1, it is characterized in that: described signal processing unit comprises OR circuit, AND circuit, first signal output apparatus, two input ends of wherein said OR circuit connect the effective time output useful signal of the 3rd input interface and the 4th input interface and a signal in two signals of input end respectively, two input ends of described AND circuit connect the mouth and first input interface of OR circuit respectively and export useful signal when two signals of input end are all effective, and the input end of described first signal output apparatus connects the mouth of AND circuit, mouth connects output interface and exports when the signal of input end is effective people's signal.
4. passenger sensory device in the lift car according to claim 1, it is characterized in that: described signal processing unit comprises the secondary signal output circuit, and the input end of wherein said secondary signal output circuit connects second input interface and the 3rd input interface, mouth connects output interface and exports when two signals of input end are all effective people's signal.
5. passenger sensory device in the lift car according to claim 1, it is characterized in that: described signal processing unit comprises first timekeeping circuit and the 3rd signal output apparatus, the mouth of wherein said the 3rd signal output apparatus connect output interface, input end connect respectively first input interface, the 3rd input interface, the 4th input interface and first timekeeping circuit and the signal of first input interface effectively, the 3rd input interface signal effectively, export unmanned signal when the 4th input interface invalidating signal state keeps 10 seconds.
6. according to passenger sensory device in each described lift car among the claim 1-5, it is characterized in that: described infrared sensor switch comprises second timekeeping circuit, described second timekeeping circuit was every one second output detection signal, and described infrared sensor switch is according to described detection signal picked-up infrared signal.
7. according to passenger sensory device in each described lift car among the claim 1-5, it is characterized in that: described infrared sensor switch comprises Fresnel Lenses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320087438 CN203095329U (en) | 2013-02-26 | 2013-02-26 | Device for detecting passengers in elevator lift car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320087438 CN203095329U (en) | 2013-02-26 | 2013-02-26 | Device for detecting passengers in elevator lift car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203095329U true CN203095329U (en) | 2013-07-31 |
Family
ID=48846751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320087438 Expired - Fee Related CN203095329U (en) | 2013-02-26 | 2013-02-26 | Device for detecting passengers in elevator lift car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203095329U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058325A (en) * | 2014-06-13 | 2014-09-24 | 同济大学 | Escalator safety prewarning system |
| CN106163956A (en) * | 2014-03-28 | 2016-11-23 | 因温特奥股份公司 | Elevator device |
| CN107738966A (en) * | 2017-12-04 | 2018-02-27 | 北京北安时代电梯安装工程有限公司 | A kind of lift car intellectual monitoring autoalarm and method |
| CN109626171A (en) * | 2019-02-27 | 2019-04-16 | 广州广日电梯工业有限公司 | The method of controlling security of lift car and the safety control of lift car |
| CN112179495A (en) * | 2019-07-01 | 2021-01-05 | 原相科技股份有限公司 | Automatic detection system based on thermal signal |
-
2013
- 2013-02-26 CN CN 201320087438 patent/CN203095329U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106163956A (en) * | 2014-03-28 | 2016-11-23 | 因温特奥股份公司 | Elevator device |
| CN104058325A (en) * | 2014-06-13 | 2014-09-24 | 同济大学 | Escalator safety prewarning system |
| CN104058325B (en) * | 2014-06-13 | 2016-05-18 | 同济大学 | A kind of escalator safety pre-warning system |
| CN107738966A (en) * | 2017-12-04 | 2018-02-27 | 北京北安时代电梯安装工程有限公司 | A kind of lift car intellectual monitoring autoalarm and method |
| CN107738966B (en) * | 2017-12-04 | 2023-08-25 | 北京北安时代创新设备安装工程有限公司 | Intelligent monitoring automatic alarm device and method for elevator car |
| CN109626171A (en) * | 2019-02-27 | 2019-04-16 | 广州广日电梯工业有限公司 | The method of controlling security of lift car and the safety control of lift car |
| CN112179495A (en) * | 2019-07-01 | 2021-01-05 | 原相科技股份有限公司 | Automatic detection system based on thermal signal |
| CN112179495B (en) * | 2019-07-01 | 2022-05-27 | 原相科技股份有限公司 | Automatic detection system based on thermal signal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203095329U (en) | Device for detecting passengers in elevator lift car | |
| CN105712144B (en) | A kind of elevator hall's car door lock detection means | |
| CN205890701U (en) | Prevent that passenger from omitting detecting system and passenger train in car | |
| CN103010889B (en) | Detection alarm device and implementation method that hoistway door is opened extremely | |
| CN201162452Y (en) | Anti-clamping device of city rail traffic platform shield door | |
| CN103942869B (en) | A kind of method that testing staff passes in and out quantity in construction elevator | |
| CN205555769U (en) | Elevator initiative self -detection device and elevator initiative self -checking system | |
| CN107879216A (en) | A kind of elevator faults close people's logic judgment and automatic help system and method | |
| CN102530690A (en) | Elevator video light curtain system for preventing pinching touch | |
| CN105016189B (en) | Elevator car intelligent energy saving control method based on body recognition | |
| CN105668374B (en) | A kind of elevator faults security escape system | |
| CN207241691U (en) | A kind of prior-warning device for screen door in rail transit | |
| CN202912522U (en) | Safety protection device capable of preventing children from taking elevator alone | |
| CN205890700U (en) | Prevent that passenger from omitting tour device and passenger train in car | |
| CN205524112U (en) | Children detection device is detained in car | |
| CN104310147A (en) | Method and circuit for protecting electrical door lock of elevator again | |
| CN207466585U (en) | Window device is threaded off and fallen automatically to a kind of safety belt after vehicle water falling | |
| CN103410400A (en) | Skylight control system and method for preventing high temperature inside vehicle after locking of vehicle doors | |
| CN209721296U (en) | A kind of elevator device | |
| CN106829670B (en) | Door lock of elevator detection method and system | |
| CN107060569A (en) | A kind of public transport safety door control system | |
| CN106744129A (en) | The oppressive detection of lift car and child's protection device | |
| CN207844785U (en) | A kind of elevator faults close people's logic judgment and automatic help system | |
| CN107055239B (en) | Door lock of elevator detection method and system | |
| CN206625665U (en) | Door-closing reminding device and safety door |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20200226 |