CN201383085Y - Ultrasonic power supply control switch - Google Patents
Ultrasonic power supply control switch Download PDFInfo
- Publication number
- CN201383085Y CN201383085Y CN200920146212U CN200920146212U CN201383085Y CN 201383085 Y CN201383085 Y CN 201383085Y CN 200920146212 U CN200920146212 U CN 200920146212U CN 200920146212 U CN200920146212 U CN 200920146212U CN 201383085 Y CN201383085 Y CN 201383085Y
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- China
- Prior art keywords
- ultrasonic
- circuit
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- control unit
- drive circuit
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- 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
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- Transducers For Ultrasonic Waves (AREA)
Abstract
The utility model relates to an ultrasonic power supply control switch, which comprises a rectifying, filtering and voltage stabilizing circuit, a relay drive circuit connected with the direct current output terminal of the rectifying, filtering and voltage stabilizing circuit for controlling the on/off of the replay during zero-passing, a relay connected with the control output terminal of the relay drive circuit for controlling the on/off of a controlled alternating current circuit, a central control unit connected with the control input terminal of the relay drive circuit, an ultrasonic transmitter, an ultrasonic transmitter drive circuit, an ultrasonic transceiver control unit, an ultrasonic receiving and amplifying circuit, and an ultrasonic receiver. During the process of use, the moving objects including human are detected through the transmission and reception of ultrasonic wave, so that the controlled alternating current circuit (generally illumination circuit) is switched into conduction to meet the use demands. The ultrasonic power supply control switch overcomes the possible shortcomings in the prior art which adopts an infrared induction manner, and improves the reliability.
Description
Technical field
The utility model relates to a kind of ultrasonic power gauge tap.
Background technology
The existing human body sensing power control switch infrared induction mode of often sampling.Its principle of work is: the induced signal to infrared inductor output is set a threshold values, if record induced signal greater than described threshold values, then controls controlled ac circuit conducting a period of time, otherwise, then be failure to actuate.So its function singleness for not producing the more weak mobile object of infrared signal or infrared signal, can't be surveyed, so reliability is lower.
The utility model content
Technical problem to be solved in the utility model provides a kind of simple in structure, the ultrasonic power gauge tap that can survey and act accordingly any mobile object.
For solving the problems of the technologies described above, the utility model provides a kind of ultrasonic power gauge tap, comprising: rectification filtering voltage stabilizing circuit, what link to each other with the dc output end of rectification filtering voltage stabilizing circuit is used for the relay drive circuit that pilot relay opens and closes when zero crossing, the relay that is used to control controlled ac circuit break-make that links to each other with the control output end of relay drive circuit, the central control unit that links to each other with the control input end of relay drive circuit, ultrasonic transmitter, the ultrasonic emitting driving circuit, the ultrasonic transmission/reception control module, ultrasound wave receives amplifying circuit and ultrasonic receiver.
The emission control output terminal of described ultrasonic transmission/reception control module links to each other with the control input end of ultrasonic emitting driving circuit, the output terminal of ultrasonic emitting driving circuit links to each other with ultrasonic transmitter, and the reception control output end of ultrasonic transmission/reception control module links to each other with the signal input end that ultrasound wave receives amplifying circuit; The signal output part of ultrasonic receiver links to each other with the ultrasonic signal input end that ultrasound wave receives amplifying circuit, and the signal output part that ultrasound wave receives amplifying circuit links to each other with the ultrasonic signal input end of central control unit.
Further, only carry out work in the lower period of brightness in order to make this ultrasonic power gauge tap, the ambient brightness signal input part of described central control unit is connected with the ambient brightness sensor circuit.Described ambient brightness sensor circuit comprises: photoresistance and the operational amplifier that links to each other with photoresistance.
Further, the alarm signal output ends of described central control unit is connected with the voice horn circuit.
The utlity model has positive effect: ultrasonic power gauge tap of the present utility model in use, by to hyperacoustic detection mobile object that transmits and receives, comprise human body, thereby make controlled ac circuit conducting (being generally lighting loop), and then satisfy user demand.Solve the deficiency that the mode of use infrared induction may exist in the prior art like this, improved reliability.
Description of drawings
The utility model is further explained below in conjunction with accompanying drawing, and wherein accompanying drawing is as follows:
Fig. 1 is the structured flowchart of the ultrasonic power gauge tap of embodiment 1.
Embodiment
(embodiment 1)
See Fig. 1, the ultrasonic power gauge tap of present embodiment comprises: rectification filtering voltage stabilizing circuit 1, what link to each other with the dc output end of rectification filtering voltage stabilizing circuit 1 is used for the relay drive circuit 2 that pilot relay 5 opens and closes when zero crossing, the relay 5 that is used to control controlled ac circuit 10 break-makes that links to each other with the control output end of relay drive circuit 2, the central control unit 3 that links to each other with the control input end of relay drive circuit 2, ultrasonic transmitter 6, ultrasonic emitting driving circuit 7, ultrasonic transmission/reception control module 8, ultrasound wave receives amplifying circuit 9 and ultrasonic receiver 11.The emission control output terminal of ultrasonic transmission/reception control module 8 links to each other with the control input end of ultrasonic emitting driving circuit 7, the output terminal of ultrasonic emitting driving circuit 7 links to each other with ultrasonic transmitter 6, and the reception control output end of ultrasonic transmission/reception control module 8 links to each other with the signal input end that ultrasound wave receives amplifying circuit 9; The signal output part of ultrasonic receiver 11 links to each other with the ultrasonic signal input end that ultrasound wave receives amplifying circuit 9, and the signal output part that ultrasound wave receives amplifying circuit 9 links to each other with the ultrasonic signal input end of central control unit 3.
The ambient brightness signal input part of described central control unit 3 is connected with ambient brightness sensor circuit 4.Described ambient brightness sensor circuit 4 comprises: photoresistance and the operational amplifier that links to each other with photoresistance.The alarm signal output ends of described central control unit 3 is connected with voice horn circuit 12.
The foregoing description only is for the utility model example clearly is described, and is not to be qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection domain of the present utility model.
Claims (4)
1, a kind of ultrasonic power gauge tap is characterized in that comprising: rectification filtering voltage stabilizing circuit (1), what link to each other with the dc output end of rectification filtering voltage stabilizing circuit (1) is used for the relay drive circuit (2) that pilot relay (5) opens and closes when zero crossing, the relay (5) that is used to control controlled ac circuit (10) break-make that links to each other with the control output end of relay drive circuit (2), the central control unit (3) that links to each other with the control input end of relay drive circuit (2), ultrasonic transmitter (6), ultrasonic emitting driving circuit (7), ultrasonic transmission/reception control module (8), ultrasound wave receives amplifying circuit (9) and ultrasonic receiver (11);
The emission control output terminal of ultrasonic transmission/reception control module (8) links to each other with the control input end of ultrasonic emitting driving circuit (7), the output terminal of ultrasonic emitting driving circuit (7) links to each other with ultrasonic transmitter (6), and the reception control output end of ultrasonic transmission/reception control module (8) links to each other with the signal input end that ultrasound wave receives amplifying circuit (9); The signal output part of ultrasonic receiver (11) links to each other with the ultrasonic signal input end that ultrasound wave receives amplifying circuit (9), and the signal output part that ultrasound wave receives amplifying circuit (9) links to each other with the ultrasonic signal input end of central control unit (3).
2, ultrasonic power gauge tap according to claim 1 is characterized in that: the ambient brightness signal input part of described central control unit (3) is connected with ambient brightness sensor circuit (4).
3, ultrasonic power gauge tap according to claim 2 is characterized in that: described ambient brightness sensor circuit (4) comprising: photoresistance and the operational amplifier that links to each other with photoresistance.
4, ultrasonic power gauge tap according to claim 3 is characterized in that: the alarm signal output ends of described central control unit (3) is connected with voice horn circuit (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920146212U CN201383085Y (en) | 2009-03-25 | 2009-03-25 | Ultrasonic power supply control switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920146212U CN201383085Y (en) | 2009-03-25 | 2009-03-25 | Ultrasonic power supply control switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201383085Y true CN201383085Y (en) | 2010-01-13 |
Family
ID=41526556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920146212U Expired - Fee Related CN201383085Y (en) | 2009-03-25 | 2009-03-25 | Ultrasonic power supply control switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201383085Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934969A (en) * | 2010-03-26 | 2011-01-05 | 秦皇岛国安电力电子技术有限公司 | Escalator inlet human body inductor |
| CN111856996A (en) * | 2020-07-06 | 2020-10-30 | 宁波公牛电器有限公司 | Control circuit and control switch |
| WO2021077573A1 (en) * | 2019-10-25 | 2021-04-29 | 苏州易德龙科技股份有限公司 | Human body detection ultrasonic sensor module for counter machine |
-
2009
- 2009-03-25 CN CN200920146212U patent/CN201383085Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934969A (en) * | 2010-03-26 | 2011-01-05 | 秦皇岛国安电力电子技术有限公司 | Escalator inlet human body inductor |
| WO2021077573A1 (en) * | 2019-10-25 | 2021-04-29 | 苏州易德龙科技股份有限公司 | Human body detection ultrasonic sensor module for counter machine |
| CN111856996A (en) * | 2020-07-06 | 2020-10-30 | 宁波公牛电器有限公司 | Control circuit and control switch |
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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: 20100113 Termination date: 20130325 |