CN202586921U - Intelligent infrared induction switch circuit - Google Patents
Intelligent infrared induction switch circuit Download PDFInfo
- Publication number
- CN202586921U CN202586921U CN 201220123372 CN201220123372U CN202586921U CN 202586921 U CN202586921 U CN 202586921U CN 201220123372 CN201220123372 CN 201220123372 CN 201220123372 U CN201220123372 U CN 201220123372U CN 202586921 U CN202586921 U CN 202586921U
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- switch circuit
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Abstract
The utility model discloses an intelligent infrared induction switch circuit, comprising a power supply part, an infrared detection part, a signal processing part, a load control part and a zero point detection part, wherein the power supply part can work normally in a wide voltage range of 102V to 305V; the infrared detection part receives a human body induction signal and drives the load control part through the signal processing part; and the zero point detection part detects whether the voltage of a grid crosses the zero point and effectively controls the load control part. The intelligent infrared induction switch circuit disclosed by the utility model works in a wide voltage range of 102V to 305V, greatly reduces the product cost without using a way of switch power, increases the zero point detection circuit, more effectively controls the load output, prolongs the service lives of a relay and a load illumination lamp and is provided with photosensitive regulation, prolonged time regulation and induction range regulation, so that the intelligent infrared induction switch is more applicable for various environments and obtains the effect of saving energy.
Description
Technical field
The utility model relates to a kind of intelligent infra-red sensor switch circuit.
Background technology
Human body all has constant body temperature, and generally at 37 degree, so can send the infrared ray about specific wavelength 10UM, the passive type infrared probe lean on to be surveyed the infrared ray about the 10UM that human body launches and carried out work.Infrared ray about the 10UM of human body emission gathers on the infrared induction source after strengthening through your filter of luxuriant and rich with fragrance mud.The pyroelectricity element is adopted in the infrared induction source usually, and this element will lose charge balance when the human infrared radiation temperature changes receiving, and outwards discharges electric charge, and subsequent conditioning circuit acts accordingly through detecting to handle.Be applied in occasion widely, like the occasions such as illumination control of burglar alarm, device security protective device and dwelling house common part to human detection.
Existing infrared human body induction circuit generally comprises power subsystem, infrared detection device and signal amplification unit, delay unit and performance element.When detecting physical activity, opens infrared detection device load automatically; The people leaves the back delay time and finishes to close automatically load; Because the environment of applications different delayed time is long or too short, induction range is excessive or can open also that the load meeting is made troubles and the waste of the energy on too small, daytime, and frequent switch all reduces illuminating device and relay useful life.
The utility model content
In order to overcome the above-mentioned weak point that exists in the prior art; The purpose of the utility model is to provide a kind of have wide voltage power supply scope, delay time induction range and light sensitivity regulatory function, zero crossing measuring ability, regulates the problem of power circuit to solve country variant electrical network application need, misoperation causes infrared switch to open the problem of load, prolongs illuminating device and relay useful life under the different application environment.
In order to reach above-mentioned purpose; The utility model adopts following concrete technical scheme: a kind of intelligent infra-red sensor switch circuit, include power unit, infrared acquisition part, signal processing, load control section and zero point the test section, described power unit can be in 102V to 305V wide-voltage range operate as normal; Said infrared acquisition partly receives the human-induced signal; Through signal processing the load control section is driven, described power unit obtains DC power supply by exchanging behind resistance-capacitance depressurization rectifying and wave-filtering and voltage stabilizing again, and can be in wide-voltage range operate as normal; Described zero point the test section; To electrical network zero crossing voltage acquisition, and the load control section made corresponding driving, said adjusting part through MCU; Through adjustable resistance photosensitive, time-delay, induction range are regulated transmission signals and give MCU, MCU makes corresponding processing and control section output is carried in control.
It is that described signal processing part parallel circuit comprises MCU U1 and integrated circuit U2 that the utility model further is provided with.
It is also to comprise the infrared signal indicator light circuit that the utility model further is provided with; This infrared signal indicator light circuit is made up of 19 pin, LED 1 and the resistance R 2 of MCU U1; Send into integrated circuit U2 by resistance R 14 taking-up infrared signals and carry out processing and amplifying; Send into MCU U1 by resistance R 13 again and handle, the 19 pin output low levels of infrared signal MCU U1 are arranged, LED 1 is luminous.
It is the piezo-resistance MOV that described power circuit includes anti-surge that the utility model further is provided with.
Compared with prior art; The utlity model has following outstanding advantage and effect: the advantage of the intelligent infra-red sensor switch circuit of the utility model is that wide voltage power supply scope, delay time induction range and light sensitivity regulatory function, zero crossing measuring ability are set in circuit; Wide voltage power supply scope can be used in the country variant electrical network; Delay time induction range and light sensitivity regulatory function are regulated the effect that its function realizes better energy savings to solve different user under particular environment; Zero point, the test section can increase the life-span of the relay and the illuminating device of frequent switch, reached the effect of energy savings equally.
Description of drawings
Fig. 1 is the schematic block circuit diagram of the utility model.
Fig. 2 is the utility model embodiment circuit diagram.
Below in conjunction with accompanying drawing the utility model is done further to specify.
Embodiment
Like Fig. 1, shown in Figure 2; The embodiment of the utility model as shown in Figure 1; The power unit of the utility model, infrared acquisition part, signal processing, load control section and zero point the test section; Wherein power unit is made up of resistance-capacitance depressurization circuit, current rectifying and wave filtering circuit, voltage stabilizing circuit etc., and signal processing comprises compositions such as signal circuit, MCU U1, integrated circuit U2, induction indicating circuit.
Power circuit principle is analyzed: AC power is formed the resistance-capacitance depressurization circuit through R22, R21, C15; Be input to after the step-down in the regulator rectifier circuit of forming by D3, D4, ZD1, ZD2; Output is by C16 filtering after rectification; One the tunnel is input to three terminal regulator HT7150, obtains stable DC 5V power supply through capacitor C 14, C17 filtering again after the three terminal regulator voltage stabilizing, supplies power to signal processing.One the tunnel obtains the required voltage of relay K 1 through ZD1, ZD2 voltage stabilizing, forms load control circuit by diode D2, relay K 1, resistance R 12, triode Q2, and R12 is connected to output 17 pin of U1; When 17 pin output high level, triode Q2 conducting, relay K 1 adhesive; Load is opened, and when 17 pin output low levels, triode Q2 ends; Relay K 1 not adhesive, load is broken off.Power circuit has also comprised the piezo-resistance MOV of anti-surge, plays the effect of lightning protection.
The signal processing principle analysis: inductive probe PIR1 detects the input of the inner first order amplifier of 5 pin of delivering to U2 behind the human body signal after amplifying; Output to the input of the second level amplifier of 2 pin by 7 pin; After the amplification of second level amplifier; Output signal to 2 pin of MCU U1 by 1 pin, MCU U1 is according to the program control load then.
The analysis of time-delay Principles of Regulation: when regulating VR1, different positions can be transferred to MCU U1 different voltages with different signal, and MCU U1 carries out the AD sampling, and different sampled values is carried out the different time delay setting.
The induction range Principles of Regulation are analyzed: when regulating VR3, the multiplication factor of the second level amplifying circuit (signal processing is mentioned) of integrated circuit U2 changes, thereby changes the scope of infrared human body induction.
The light sensitivity Principles of Regulation are analyzed: when regulating VR2, change CDS1, R1 makes the output that corresponding processing comes control load thereby the electrical voltage point between the VR2 changes MCU to different illumination intensity.
The infrared signal indicating circuit: 19 pin, LED 1 and resistance R 2 by MCU U1 are formed; Send into integrated circuit U2 by resistance R 14 taking-up infrared signals and carry out processing and amplifying; Sending into MCU U1 by resistance R 13 again handles; The 19 pin output low levels of infrared signal MCU U1 are arranged, and LED 1 is luminous.Not luminous when not sensing physical activity.So LED1 is intermittent glittering, plays the effect of indication.
The utility model can be applicable to a plurality of fields such as illumination, security protection, voice, demonstration, as long as the human body signal simple process of sensing is gone to control different loads, can realize the utilization in a plurality of fields.But the utility model can be designed to 170 ° of wall type induction ranges according to practical environment, 360 ° of ceiling type induction ranges, and 360 ° of light fixture formula induction ranges satisfy varying environment and use.
The foregoing description is to the specific descriptions of the utility model; Only be used for the utility model is further specified; Can not be interpreted as the qualification to the utility model protection range, the technician of this area makes some nonessential modifications according to the content of above-mentioned utility model to the utility model and all falls within the protection range of the utility model with adjustment.
Claims (4)
1. intelligent infrared sensing switch circuit; Comprise power unit, infrared acquisition part, signal processing, load control section and zero point the test section; Described power unit can be in 102V to 305V wide-voltage range operate as normal, said infrared acquisition partly receives the human-induced signal, through signal processing the load control section is driven; It is characterized in that: described power unit obtains DC power supply by exchanging behind resistance-capacitance depressurization rectifying and wave-filtering and voltage stabilizing again; And can be in wide-voltage range operate as normal, described zero point the test section, through MCU to electrical network zero crossing voltage acquisition; And the load control section made corresponding driving; Said adjusting part is regulated transmission signals through adjustable resistance to photosensitive, time-delay, induction range and is given MCU, and MCU makes corresponding processing and control section output is carried in control.
2. a kind of intelligent infrared sensing switch circuit according to claim 1, it is characterized in that: described signal processing part parallel circuit comprises MCU U1 and integrated circuit U2.
3. a kind of intelligent infrared sensing switch circuit according to claim 2; It is characterized in that: also comprise the infrared signal indicator light circuit; This infrared signal indicator light circuit is made up of 19 pin, LED 1 and the resistance R 2 of MCU U1, sends into integrated circuit U2 by resistance R 14 taking-up infrared signals and carries out processing and amplifying, sends into MCU U1 by resistance R 13 again and handles; The 19 pin output low levels of infrared signal MCUU1 are arranged, and LED 1 is luminous.
4. a kind of intelligent infrared sensing switch circuit according to claim 1 is characterized in that: described power circuit includes the piezo-resistance MOV of anti-surge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220123372 CN202586921U (en) | 2012-03-29 | 2012-03-29 | Intelligent infrared induction switch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220123372 CN202586921U (en) | 2012-03-29 | 2012-03-29 | Intelligent infrared induction switch circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202586921U true CN202586921U (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220123372 Expired - Fee Related CN202586921U (en) | 2012-03-29 | 2012-03-29 | Intelligent infrared induction switch circuit |
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| CN (1) | CN202586921U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105204635A (en) * | 2015-09-16 | 2015-12-30 | 成都市顶钻科技有限公司 | Air-blowing computer display based on heat-releasing electric induction switch |
| CN105204573A (en) * | 2015-09-16 | 2015-12-30 | 成都市顶钻科技有限公司 | Liftable computer display based on heat-release electric induction switch |
| CN105204574A (en) * | 2015-09-16 | 2015-12-30 | 成都市顶钻科技有限公司 | Height-adjustable computer display based on infrared induction switch |
| CN108574481A (en) * | 2017-03-13 | 2018-09-25 | 泰科电子(上海)有限公司 | Electronic induction switching circuit, electronic induction switching system and power supply circuit |
| CN108594703A (en) * | 2018-03-29 | 2018-09-28 | 安徽大德中电科技发展股份有限公司 | The fiery induced intelligent switch of two-way national standard zero |
| CN114158165A (en) * | 2021-10-22 | 2022-03-08 | 禧荣电器(深圳)有限公司 | Low-power consumption human body inductor |
-
2012
- 2012-03-29 CN CN 201220123372 patent/CN202586921U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105204635A (en) * | 2015-09-16 | 2015-12-30 | 成都市顶钻科技有限公司 | Air-blowing computer display based on heat-releasing electric induction switch |
| CN105204573A (en) * | 2015-09-16 | 2015-12-30 | 成都市顶钻科技有限公司 | Liftable computer display based on heat-release electric induction switch |
| CN105204574A (en) * | 2015-09-16 | 2015-12-30 | 成都市顶钻科技有限公司 | Height-adjustable computer display based on infrared induction switch |
| CN108574481A (en) * | 2017-03-13 | 2018-09-25 | 泰科电子(上海)有限公司 | Electronic induction switching circuit, electronic induction switching system and power supply circuit |
| CN108574481B (en) * | 2017-03-13 | 2024-03-01 | 泰科电子(上海)有限公司 | Electronic induction switch circuit, electronic induction switch system and power supply circuit |
| CN108594703A (en) * | 2018-03-29 | 2018-09-28 | 安徽大德中电科技发展股份有限公司 | The fiery induced intelligent switch of two-way national standard zero |
| CN114158165A (en) * | 2021-10-22 | 2022-03-08 | 禧荣电器(深圳)有限公司 | Low-power consumption human body inductor |
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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: 20121205 Termination date: 20130329 |