CN201965457U - Low power consumption infrared-sensing controller - Google Patents
Low power consumption infrared-sensing controller Download PDFInfo
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- CN201965457U CN201965457U CN2011200145290U CN201120014529U CN201965457U CN 201965457 U CN201965457 U CN 201965457U CN 2011200145290 U CN2011200145290 U CN 2011200145290U CN 201120014529 U CN201120014529 U CN 201120014529U CN 201965457 U CN201965457 U CN 201965457U
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- relay
- branch road
- chip microcomputer
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Abstract
The utility model relates to a low power consumption infrared-sensing controller, which comprises an infrared signal detecting and amplifying circuit, a singlechip controlling circuit, a relay driving circuit and a voltage reducing and rectifying circuit. The infrared signal detecting and amplifying circuit comprises an infrared sensor and a signal amplifying circuit of the infrared sensor, the singlechip controlling circuit comprises a singlechip, the relay driving circuit comprises a relay, and the voltage reducing and rectifying circuit comprises a first voltage reducing and rectifying branch circuit and a second voltage reducing and rectifying branch circuit. The first voltage reducing and rectifying branch circuit converts an alternating current to a direct current, and then provides the direct current to the infrared signal detecting and amplifying circuit and the singlechip controlling circuit. The second voltage reducing and rectifying branch circuit converts the alternating current to the direct current, and then provides the direct current to the relay driving circuit. When the relay is disconnected, the second voltage reducing and rectifying branch circuit is in an open state, and when the infrared sensor transmits detected signals to the singlechip through the signal amplifying circuit, the singlechip sends the signals to control the connection and the disconnection of the relay. Compared with the prior art, the infrared-sensing controller is low in power consumption and cost.
Description
Technical field
The utility model relates to a kind of infrared induction controller, especially relates to a kind of low-power consumption infrared induction controller.
Background technology
Infrared induction controller be usually used in the throwing light on control of the luminophor power switch in the control field.At present, main infrared induction controller adopts capacity voltage dropping circuit to be used as step-down rectifying circuit mostly.See also Fig. 1, it is the step-down rectifier and the on-off circuit synoptic diagram of prior art infrared induction controller.This step-down rectifier and on-off circuit comprise the reduction voltage circuit 10 be made up of capacitor C 1, resistance R 1, R2, the bridge rectifier circuit of being made up of diode D1, D2, D3 and D4 11 and the on-off circuit of being made up of relay K 1 and diode D8 12.AC power process reduction voltage circuit 10 and rectification circuit 11 step-down rectifiers are after send infrared induction controller amplifying circuit, single-chip microcomputer circuit such as (figure do not show) to after voltage stabilizing diode ZD1 and the integrated three-terminal regulator IC1 voltage stabilizing.Single-chip microcomputer according to detected infrared signal analyzing and processing after power on/off by a triode Q2 pilot relay K1, thereby the Push And Release of control luminophor.Because the conducting electric current of this relay K 1 generally is about 20mA, when the AC power work of 220V, the capacitance that must make capacitor C 1 is that 0.47 μ F is as decompression capacitor.Like this, because the electric capacity of capacitor C 1 is bigger, when relay K 1 disconnected, unnecessary electric current just ran off by voltage stabilizing diode ZD1, no matter and relay whether the power consumption of this step-down rectifier of conducting and on-off circuit all can reach more than the 0.7W.
In addition, in order to reduce the power consumption of infrared induction controller, adopt the circuit structure of impulse-type relay and resistance step-down at present mostly.Because as long as paired pulses formula relay applies pulse current and can make its conducting or disconnection, in the occasion that does not need frequent switch luminophor, use time pulse relay can reduce circuit power consumption, its quiescent dissipation is about 0.1W.But, because the time pulse relay price is 10 to 20 times of common relay, adopt time pulse relay higher as the cost of the gauge tap of infrared induction controller, greatly limited it and used and promote.
The utility model content
The purpose of this utility model is to overcome shortcoming of the prior art with not enough, and a kind of infrared induction controller of low-power consumption cheaply is provided.
The utility model is achieved through the following technical solutions: a kind of low-power consumption infrared induction controller, comprise that an infrared signal detects and amplifying circuit, and it comprises an infrared inductor and signal amplification circuit thereof; One single chip machine controlling circuit, it comprises a single-chip microcomputer; One relay drive circuit, it comprises a relay; An and step-down rectifying circuit, it comprises the first step-down rectifier branch road and the second step-down rectifier branch road, this first step-down rectifier branch road offers this infrared signal detection and amplifying circuit and single chip machine controlling circuit after alternating current is converted to direct current, this second step-down rectifier branch road offers this relay drive circuit after alternating current is converted to direct current, when this relay disconnected, this second step-down rectifier branch road was an off state; This infrared inductor is sent to single-chip microcomputer with detected signal after signal amplification circuit amplifies, single-chip microcomputer sends the adhesive and the disconnection of signal control relay.
With respect to prior art, the step-down rectifying circuit of the utility model infrared induction controller comprises two step-down rectifier branch roads respectively, one of them step-down rectifier branch road provides direct supply for each functional circuit, another step-down rectifier branch road provides direct supply for relay specially, then when relay disconnects, open circuit simultaneously for this relay provides the step-down rectifier branch road of direct supply, thereby this branch road does not consume extra power, reached the effect that reduces the infrared induction controller power consumption.
In order to understand the utility model more clearly, set forth embodiment of the present utility model below with reference to description of drawings.
Description of drawings
Fig. 1 is the step-down rectifier and the on-off circuit synoptic diagram of prior art infrared induction controller.
Fig. 2 is the structured flowchart of the utility model infrared induction controller 20.
Fig. 3 is the circuit theory diagrams of the utility model infrared induction controller.
Embodiment
Please consult Fig. 2 and Fig. 3 simultaneously, Fig. 2 is the structured flowchart of the utility model infrared induction controller 20, and Fig. 3 is a physical circuit schematic diagram shown in Figure 2.Infrared induction controller 20 of the present utility model comprises that step-down rectifying circuit 21, mu balanced circuit 22, single chip machine controlling circuit 23, lighting time regulating circuit 24, sensitivity adjusting circuit 25, ambient brightness regulating circuit 26, LED indicating circuit 27, infrared signal detect and amplifying circuit 28 and relay drive circuit 29.Relay K 1 control in the relay drive circuit 29 is serially connected in the light on and off of the load electric light 30 in the AC power.AC power is through providing the DC voltage of 12V behind the step-down rectifying circuit 21, this DC voltage offers single chip machine controlling circuit 23, lighting time regulating circuit 24, sensitivity adjusting circuit 25, ambient brightness regulating circuit 26, LED indicating circuit 27 after through mu balanced circuit 22 voltage stabilizings, infrared signal detects and amplifying circuit 28 and relay drive circuit 29 as stable dc power supply.Lighting time regulating circuit 24, sensitivity adjusting circuit 25, ambient brightness regulating circuit 26, LED indicating circuit 27, infrared signal detects and amplifying circuit 28 and relay drive circuit 29 insert each pin of the single-chip microcomputer 231 in the single chip machine controlling circuit 23 respectively.
Particularly, this step-down rectifying circuit 21 comprises the first step-down rectifier branch road 21a and the second step-down rectifier branch road 21b.This first step-down rectifier branch road 21a comprises first pressure unit of being made up of resistance R 21, R22 and the R23 of three series connection and first capacitor C 21 in parallel with resistance R 21 and R22 and the first bridge rectifier unit of being made up of four diode D1, D2, D3 and D4.Thereby this first step-down rectifier branch road 21a is connected in series with this mu balanced circuit 22 to other each circuit stable dc power supply is provided.This second step-down rectifier branch road 21b comprises second pressure unit of being made up of resistance R 24, R25 and the R26 of three series connection and second capacitor C 22 in parallel with resistance R 24 and R25 and the second bridge rectifier unit of being made up of four diode D5, D6, D7 and D4 equally.The direct supply of this second step-down rectifier branch road 21b output provides stable 24V direct supply for this relay K 1 behind one second stabilivolt ZD2.Wherein, this first bridge rectifier unit and this this diode of second bridge rectifier units shared D4.The capacitance of this first capacitor C 21 is 0.047 μ F, and the capacitance of this second capacitor C 22 is 0.33 μ F.
This mu balanced circuit 22 comprise an integrated three-terminal regulator 222 and with these integrated three-terminal regulator 222 input ends and the output terminal first stabilivolt ZD1 and a plurality of electric capacity in parallel.This mu balanced circuit 22 carries out voltage stabilizing with the direct supply of the first step-down rectifier branch road 21a to be handled the back and provides galvanic current source Vcc for other each circuit.
This single chip machine controlling circuit 23 comprises a single-chip microcomputer 231, this single-chip microcomputer 231 receive respectively lighting time regulating circuit 24, sensitivity adjusting circuit 25, ambient brightness regulating circuit 26 and infrared signal detect and the adjusting or detection signal of amplifying circuit 28 after, then at disconnection of sending control signal pilot relay K1 and closed and control LED indicating circuit 27.
Lighting time regulating circuit 24 specifically comprise one lighting time regulator potentiometer 242, lighting time, regulator potentiometer 242 was sent to single-chip microcomputer 231 with conditioning signal, single-chip microcomputer 231 according to this lighting time regulator potentiometer 242 adjustment information can change time of the bright lamp of load 30 energized.
Ambient brightness regulating circuit 26 comprises a luminance potentiometer 262 and a photodiode 264 of series connection.By regulating the effective working environment brightness value of resistance scalable of luminance potentiometer 262, respond to the external environment brightness by photodiode 264, and the ambient brightness signal is sent to single-chip microcomputer 231.
Infrared signal detects and amplifying circuit 28 comprises infrared inductor 282, and infrared inductor 282 is sent to single-chip microcomputer 231 after detected signal is passed through first signal amplifier 284 and secondary signal amplifier 286 and amplifying circuit amplification thereof.
With respect to prior art, the step-down rectifying circuit of the utility model infrared induction controller comprises two step-down rectifier branch roads respectively, one of them step-down rectifier branch road provides direct supply for each functional circuit, the power that this part consumes is less than 0.2W, another step-down rectifier branch road provides direct supply for relay specially, the power of this part consumption is about 0.5W, then when relay disconnects (standby mode), for providing the step-down rectifier branch road of direct supply, this relay opens circuit simultaneously, thereby this branch road does not consume extra power, the power that entire circuit consumes has reached the effect that reduces the infrared induction controller power consumption below 0.2W.
The utility model is not limited to above-mentioned embodiment, if various changes of the present utility model or distortion are not broken away from spirit and scope of the present utility model, if these changes and distortion belong within claim of the present utility model and the equivalent technologies scope, then the utility model also is intended to comprise these changes and distortion.
Claims (8)
1. a low-power consumption infrared induction controller is characterized in that: comprise
One infrared signal detects and amplifying circuit (28), comprises an infrared inductor (282) and signal amplification circuit thereof;
One single chip machine controlling circuit (23) comprises a single-chip microcomputer (231);
One relay drive circuit (29) comprises a relay (K1); And
One step-down rectifying circuit (21), it comprises the first step-down rectifier branch road (21a) and the second step-down rectifier branch road (21b), this first step-down rectifier branch road (21a) offers this infrared signal detection and amplifying circuit (28) and single chip machine controlling circuit (23) after alternating current is converted to direct current, this second step-down rectifier branch road (21b) offers this relay drive circuit (29) after alternating current is converted to direct current, when this relay (K1) disconnected, this second step-down rectifier branch road (21b) was an off state;
This infrared inductor (282) is sent to single-chip microcomputer (231) with detected signal after signal amplification circuit amplifies, single-chip microcomputer (231) sends the adhesive and the disconnection of signal control relay (K1).
2. infrared induction controller as claimed in claim 1, it is characterized in that: this first step-down rectifier branch road comprises first pressure unit of being made up of the resistance (R21, R22, R23) of three series connection and first electric capacity (C21) in parallel with two resistance (R21, R22), and the first bridge rectifier unit of being made up of four diodes (D1, D2, D3, D4); This second step-down rectifier branch road comprises second pressure unit of being made up of the resistance (R24, R25, R26) of three series connection and second electric capacity (C22) in parallel with two resistance (R24, R25), and the second bridge rectifier unit of being made up of four diodes (D5, D6, D7, D4); Wherein, this first bridge rectifier unit and this second bridge rectifier units shared, one diode (D4).
3. infrared induction controller as claimed in claim 2 is characterized in that: the capacitance of this first electric capacity (C21) is 0.047 μ F, and the capacitance of this second electric capacity (C22) is 0.33 μ F.
4. infrared induction controller as claimed in claim 1, it is characterized in that: also comprise a mu balanced circuit (22), it is made up of an integrated three-terminal regulator (222) and first stabilivolt (ZD1) and a plurality of electric capacity in parallel with this integrated three-terminal regulator input end and output terminal, and this mu balanced circuit (22) carries out offering after voltage stabilizing is handled this infrared signal detection and amplifying circuit (28) and single chip machine controlling circuit (23) with the direct supply of the first step-down rectifier branch road (21a).
5. infrared induction controller as claimed in claim 1, it is characterized in that: also comprise the ambient brightness regulating circuit of forming by a luminance potentiometer (262) and a photodiode (264) of series connection (26), the brightness of photodiode (264) induction external environment, and the ambient brightness signal is sent to single-chip microcomputer (231), and be the brightness of scalable working environment by the resistance of regulating luminance potentiometer (262).
6. infrared induction controller as claimed in claim 1 is characterized in that: also comprise a lighting time regulating circuit (24) that is connected with single-chip microcomputer (231).
7. infrared induction controller as claimed in claim 1, it is characterized in that: also comprise the LED indicating circuit of being made up of a resistance and a light emitting diode (272) (27), single-chip microcomputer (231) is controlled the bright lamp of this light emitting diode (272) or is turned off the light with the duty of indication single-chip microcomputer (231).
8. infrared induction controller as claimed in claim 1, it is characterized in that: also comprise the sensitivity adjusting circuit of being made up of sensitivity adjusting potentiometer (252) (25), single-chip microcomputer (231) is according to the sensitivity of electric potential signal control infrared inductor (282) sensing of sensitivity adjusting potentiometer (252).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200145290U CN201965457U (en) | 2011-01-18 | 2011-01-18 | Low power consumption infrared-sensing controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200145290U CN201965457U (en) | 2011-01-18 | 2011-01-18 | Low power consumption infrared-sensing controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201965457U true CN201965457U (en) | 2011-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200145290U Expired - Lifetime CN201965457U (en) | 2011-01-18 | 2011-01-18 | Low power consumption infrared-sensing controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201965457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176800A (en) * | 2011-01-18 | 2011-09-07 | 广州市番禺奥莱照明电器有限公司 | Low-power consumption infrared sensing controller |
| CN102841623A (en) * | 2011-10-28 | 2012-12-26 | 南通天华和睿科技创业有限公司 | Three-terminal voltage-stabilizing integrated module of power supply circuit |
-
2011
- 2011-01-18 CN CN2011200145290U patent/CN201965457U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176800A (en) * | 2011-01-18 | 2011-09-07 | 广州市番禺奥莱照明电器有限公司 | Low-power consumption infrared sensing controller |
| CN102176800B (en) * | 2011-01-18 | 2013-10-23 | 广州市番禺奥莱照明电器有限公司 | Low-power consumption infrared sensing controller |
| CN102841623A (en) * | 2011-10-28 | 2012-12-26 | 南通天华和睿科技创业有限公司 | Three-terminal voltage-stabilizing integrated module of power supply circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110907 |
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| CX01 | Expiry of patent term |