CN202512391U - Inductive switch controlling device - Google Patents
Inductive switch controlling device Download PDFInfo
- Publication number
- CN202512391U CN202512391U CN2012200937190U CN201220093719U CN202512391U CN 202512391 U CN202512391 U CN 202512391U CN 2012200937190 U CN2012200937190 U CN 2012200937190U CN 201220093719 U CN201220093719 U CN 201220093719U CN 202512391 U CN202512391 U CN 202512391U
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- circuit
- infrared
- infrared emission
- communication interface
- inductive switch
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Abstract
The utility model relates to an inductive switch controlling device which comprises an infrared emission circuit, an infrared photo-electricity switching circuit and a micro processor controlling circuit. The infrared emission circuit is arranged on one side of a passageway. The infrared photo-electricity switching circuit is arranged on the other side of the passageway corresponding to the height of the infrared emission circuit to receive signals of the infrared emission circuit. The output end of the infrared photo-electricity switching circuit is connected to the micro processor controlling circuit through a trigger time-delay circuit. The output end of the micro processor controlling circuit is connected with a driving circuit and a 485 communication interface circuit. The micro processor controlling circuit is further in data connection with a watch dog circuit in a bi-directional mode. When nobody is present, an infrared light path is not blocked, the whole circuit is under a static state, and a load is off and does not work. When a person is present, the device blocks the infrared light path, the driving circuit drives the load to be on and to operate, the controlling state of a present inductive circuit is displayed through a personal computer (PC), and remote operating control is achieved.
Description
Technical field
The utility model relates to a kind of control device of automatic induction, particularly be a kind of inductive switch control device.
Background technology
Automatically induction controller gets into the many fields in production, the life already; This device utilizes the people or the thing of motion that the influence of the signal that its sensing element received is monitored; Accomplish predetermined work; But the advantage of automatic induction controller up to the present also obtains sufficient development and utilization far away.For example in places such as some warehouses, stack room, workshops, when personnel got into, place intraoral illumination equipment can not be opened automatically, still needed manually; When personnel left, the timely shutoff of lighting installation was often ignored by the people again.
The utility model content
The purpose of the utility model is to overcome above-mentioned deficiency, provides on a kind of passageway that is installed in particular place, can pass in and out the inductive switch control device of situation auto switching electrical equipment equipment according to personnel.
The utility model solves the technical scheme that its technical matters adopted: a kind of inductive switch control device; Comprise infrared emission circuit, infrared electro change-over circuit and microprocessor control circuit; Said infrared emission circuit is installed in a side in passageway; What the infrared electro change-over circuit was installed in the passageway receives the signal of infrared emission circuit with the corresponding opposite side of infrared emission circuit height; The output terminal of said infrared electro change-over circuit is connected to microprocessor control circuit through triggering delay circuit; The output terminal of said microprocessor control circuit is connected with driving circuit, 485 communication interface circuits, and said microprocessor control circuit also is connected with the watchdog circuit bi-directional data.
Said infrared emission circuit reaches the current-limiting resistance R1 that connects with infrared-emitting diode VD1 by infrared-emitting diode VD1 and constitutes, and the infrared electro change-over circuit reaches the resistance R 2 of connecting with infrared electro reception diode VD2 by infrared electro reception diode VD2 and constitutes.
Said triggering delay circuit adopts 555 time-base integrated circuit IC1.
The COM port that the output terminal of said 485 communication interface circuits through SN75176 communication interface chip IC2 is connected to the RS485 communication interface sends data message to PC.
Through adopting above-mentioned technical scheme, the beneficial effect of the utility model is: when nobody the time, infrared light path is blocked not, entire circuit is in static state, driving circuit is in release conditions, the load no power, does not work; When personnel were on the scene, when this device interdicted infrared light path, the driving circuit drives load running was switched on, and sent signal through microprocessor control circuit to system host, and PC shows current sensor circuit state of a control, realized operated from a distance control.
Description of drawings
Fig. 1 is the frame assumption diagram of the utility model;
Fig. 2 is the circuit theory diagrams of the utility model.
Embodiment
Like Fig. 1, shown in Figure 2; A kind of inductive switch control device of the utility model; Comprise infrared emission circuit 1, infrared electro change-over circuit 2 and microprocessor control circuit 4; Said infrared emission circuit 1 is installed in a side in passageway; What infrared electro change-over circuit 2 was installed in the passageway receives the signal of infrared emission circuit 1 with the highly corresponding opposite side of infrared emission circuit 1; Said infrared emission circuit 1 reaches the current-limiting resistance R1 that connects with infrared-emitting diode VD1 by infrared-emitting diode VD1 and constitutes; Infrared electro change-over circuit 2 reaches the resistance R 2 of connecting with infrared electro reception diode VD2 by infrared electro reception diode VD2 and constitutes, and the output terminal of said infrared electro change-over circuit 2 is connected to microprocessor control circuit 4 through triggering delay circuit 3, and said triggering delay circuit 3 adopts 555 time-base integrated circuit IC1; The output terminal of said microprocessor control circuit 4 is connected with driving circuit 41,485 communication interface circuits 42, and the COM port that the output terminal of said 485 communication interface circuits 42 through SN75176 communication interface chip IC2 is connected to the RS485 communication interface sends data message to PC.
When nobody the time, infrared light path is blocked not, entire circuit is in static state, the relay J of driving circuit 41 is in release conditions, the load no power; Current-limiting resistance R1 and infrared-emitting diode VD1 form the infraluminescence circuit, and the working current of infrared electro reception diode VD2 is limited within the 90mA, burn in order to avoid make infrared electro reception diode VD2 overcurrent.When the infrared ray light path that the infrared electro converter that infrared electro reception diode VD2 and resistance R 2 are formed receives was not stopped, infrared electro reception diode VD2 converted the infrared signal that infrared-emitting diode VD1 sends to electric signal, makes infrared-emitting diode VD1 be low-resistance (several kilo-ohms approximately); Voltage U A≤0.35V that A is ordered; Transistor Q1 is cut-off state, and the B point is high level, makes 555 time-base integrated circuit IC1 be in reset mode; Late-class circuit is not worked, and load does not have electricity and do not move.
As personnel the time, when light path was blocked by movable person, infrared electro reception diode VD2 can not receive the infrared light that infrared-emitting diode VD1 sends; Infrared electro reception diode VD2 is high resistant (resistance in the dark is more than or equal to 500k Ω), makes A point current potential raise transistor Q1 saturation conduction; B point current potential Uces≤0.4V resets 555 time-base integrated circuit IC1, when the voltage of the 2nd pin trigger end (S) of 555 time-base integrated circuit IC1 is lower than 1/3VDD; Can make 555 time-base integrated circuit IC1 be in SM set mode, its 3rd pin is high level state, and this signal also is high level state through the 23rd pin I/O end that resistance R 5 current limlitings are input to microprocessor U1; After microprocessor U1 internal processor is judged, by the 7th pin output high level signal of microprocessor U1, through resistance R 7 current limlitings; Make triode Q2 conducting, the relay J adhesive promotes relay J energising adhesive; Its normal battle, J-1 transferred normally closed point to, connected load appliance operation energising.Simultaneously; Form 485 communication interface circuits 42 by the 1st, 2,3,4 ends of resistance R 4, SN75176 communication interface chip IC2 and the 10th, 11,24 ends of microprocessor U1; U1 sends drive signal by microprocessor; Promote SN75176 communication interface chip IC2 and send the current information data, show the current address state, realize operated from a distance control by PC to PC.
After the people left, the infrared beam of infrared-emitting diode VD1 shone again on the infrared electro reception diode VD2, and infrared electro reception diode VD2 transmits low-resistance, and transistor Q1 ends.At this moment, supply voltage VCC charges to capacitor C 1 through resistance R 3.When the voltage charging on the capacitor C 1 during to 2/3VDD, 555 time-base integrated circuit IC1 just transmit reset mode.
Said microprocessor control circuit 4 also is connected with watchdog circuit 5 bi-directional datas; Form watchdog circuit 5 by microprocessor U1 and watchdog module U2; Form reset circuit by resistance R 6, capacitor C 3; The 9th pin of microprocessor U1 and the 7th pin of watchdog module U2 are resetted, prevent that microprocessor U1 internal processes is in the endless loop state.
An above-described preferred embodiment that is merely the utility model can not limit the scope that the utility model is implemented, and every equalization of being done according to the utility model claim changes and decorates, and all should still belong in the scope that the utility model contains.
Claims (4)
1. inductive switch control device; It is characterized in that: comprise infrared emission circuit (1), infrared electro change-over circuit (2) and microprocessor control circuit (4); Said infrared emission circuit (1) is installed in a side in passageway; What infrared electro change-over circuit (2) was installed in the passageway receives the signal of infrared emission circuit (1) with the highly corresponding opposite side of infrared emission circuit (1); The output terminal of said infrared electro change-over circuit (2) is connected to microprocessor control circuit (4) through triggering delay circuit (3); The output terminal of said microprocessor control circuit (4) is connected with driving circuit (41), 485 communication interface circuits (42), and said microprocessor control circuit (4) also is connected with watchdog circuit (5) bi-directional data.
2. inductive switch control device according to claim 1; It is characterized in that: said infrared emission circuit (1) reaches the current-limiting resistance R1 that connects with infrared-emitting diode VD1 by infrared-emitting diode VD1 and constitutes, and infrared electro change-over circuit (2) reaches the resistance R 2 of connecting with infrared electro reception diode VD2 by infrared electro reception diode VD2 and constitutes.
3. inductive switch control device according to claim 1 and 2 is characterized in that: said triggering delay circuit (3) adopts 555 time-base integrated circuit IC1.
4. inductive switch control device according to claim 1 and 2 is characterized in that: the COM port that the output terminal of said 485 communication interface circuits (42) through SN75176 communication interface chip IC2 is connected to the RS485 communication interface sends data message to PC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200937190U CN202512391U (en) | 2012-03-14 | 2012-03-14 | Inductive switch controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200937190U CN202512391U (en) | 2012-03-14 | 2012-03-14 | Inductive switch controlling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202512391U true CN202512391U (en) | 2012-10-31 |
Family
ID=47064859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200937190U Expired - Fee Related CN202512391U (en) | 2012-03-14 | 2012-03-14 | Inductive switch controlling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202512391U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103691724A (en) * | 2013-12-11 | 2014-04-02 | 上海应用技术学院 | Laboratory fume hood and control method |
| CN104296840A (en) * | 2014-10-29 | 2015-01-21 | 扬州恒信仪表有限公司 | Device and method for multichannel electric appliance parameter acquisition |
| CN114406864A (en) * | 2022-02-15 | 2022-04-29 | 刘纪昭 | Angle grinder capable of sensing infrared rays |
-
2012
- 2012-03-14 CN CN2012200937190U patent/CN202512391U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103691724A (en) * | 2013-12-11 | 2014-04-02 | 上海应用技术学院 | Laboratory fume hood and control method |
| CN103691724B (en) * | 2013-12-11 | 2015-11-18 | 上海应用技术学院 | A kind of laboratory hood and control method |
| CN104296840A (en) * | 2014-10-29 | 2015-01-21 | 扬州恒信仪表有限公司 | Device and method for multichannel electric appliance parameter acquisition |
| CN114406864A (en) * | 2022-02-15 | 2022-04-29 | 刘纪昭 | Angle grinder capable of sensing infrared rays |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20130314 |