CN201167309Y - Crewel heat-production electricity-releasing infrared switch - Google Patents
Crewel heat-production electricity-releasing infrared switch Download PDFInfo
- Publication number
- CN201167309Y CN201167309Y CNU2008201013314U CN200820101331U CN201167309Y CN 201167309 Y CN201167309 Y CN 201167309Y CN U2008201013314 U CNU2008201013314 U CN U2008201013314U CN 200820101331 U CN200820101331 U CN 200820101331U CN 201167309 Y CN201167309 Y CN 201167309Y
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- infrared switch
- wire system
- rpyroelectric infrared
- integrated circuit
- switch
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Abstract
A double-wire system pyroelectric infrared switch comprises a switch panel and a switch rear cover. A pyroelectric infrared switch module is arranged in the cavity housed by the switch panel and the witch rear cover and can be directly connected with a circuit composed of a power supply and loads in series, and a double-wire system is replaced for the original four-wire system. The pyroelectric infrared switch provided in the utility model adopts double-wire connection, does not distinguish polarity, and can be connected in any sites of the circuit composed of the power supply and the loads in series; has the advantages of convenient wiring, no need of rewiring, good practicality, simple circuit structure, high anti-disturbing capability, stable and reliable performance, and good commonality; and can be widely used in self-opening solenoid valve, automatic door, incandescent lamp, energy-saving lamp, LED lamp, electric fan and other devices.
Description
[technical field]
The utility model relates to a kind of pyroelectric infrared sensor, and particularly a kind of rpyroelectric infrared electronic switch belongs to the electronic switch field.
[background technology]
Be divided into active infrared sensor and passive-type infrared sensor at infrared ray sensor according to its mechanism difference.Above-mentioned two class transducers do not need promptly to can be used to by the infrared emission transducer infrared ray of direct receiving target object emission, and are converted into voltage signal output.Simple in structure, easy to use because of it, obtain paying close attention to widely in the industry, and develop multiple electronic switch.At present electronic product such as pyroelectricity human body infrared switch, the audio-switch etc. of controlling the power supply Push And Release with electronic switch on the market all adopt 4 line systems, i.e. 2 power input lines, and 2 output lines connect load.In addition, modern room, office etc. is considered attractive in appearance and safety, and its illuminating line mostly adopts away the mode of concealed wire.If adopt the electronic switch of above-mentioned 4 line systems to go to control these illuminating lamps and other load, also to connect power supply in addition, transform circuit, its engineering time and effort consuming influences original attractive in appearance again.Both uneconomical, also impracticable, more difficultly accepted by users.Therefore its application and universal being restricted have directly influenced its popularization, therefore are necessary to be improved.
[summary of the invention]
The technical problems to be solved in the utility model, be to provide a kind of 2 line system electronic switch to substitute 4 original line system electronic switch, the utility model is only drawn 2 leads, directly be serially connected in getting final product Anywhere in the loop that power supply and load constitute during installation, easy-to-connect need not rewiring again, convenient and practical, and nonpolarity and load wildcard problem, manpower and time greatly saved.
The utility model is achieved in that a kind of double wire system rpyroelectric infrared switch, comprise switch panel and opening and closing tailgate, be provided with a rpyroelectric infrared switch module in the space of switch panel and opening and closing tailgate encapsulation, described rpyroelectric infrared switch module directly is serially connected in the loop of power supply and load formation.
Technique scheme can further be specially: described rpyroelectric infrared switch module comprises pyroelectric infrared sensor, low pass filter, hybrid digital-analog integrated circuit, load driving circuits and power circuit; Described pyroelectric infrared sensor, low pass filter, hybrid digital-analog integrated circuit and load driving circuits are connected in turn, and described low pass filter, hybrid digital-analog integrated circuit are connected power taking with described power circuit.
Wherein, described pyroelectric infrared sensor also connects a Fresnel Lenses, and described Fresnel Lenses convexedly stretches in outside the described switch panel.
Wherein, described low pass filter is connected to the P14 pin of hybrid digital-analog integrated circuit, and the P2 pin of described hybrid digital-analog integrated circuit links to each other with load driving circuits again.
Wherein, described load driving circuits is made of controllable silicon and bridge heap, and the input of described bridge heap directly is serially connected in the loop of power supply and load formation by two bronze medal binding posts.
The utility model provides a kind of usefulness 2 line system electronic switch to substitute original 4 line system electronic switch, has following beneficial effect: because of only drawing 2 leads, directly be serially connected in during installation in the loop that power supply and load constitute and get final product Anywhere, easy-to-connect need not rewiring again, convenient and practical, greatly saved manpower and time; And utilize the real various load people of realization of Fresnel Lenses and rpyroelectric infrared switch module to open, the intelligent effect that the people walks to close, not only energy-conservation but also environmental protection; Its time of delay and blockade cycle also can be adjustable continuously according to different needs; And because the nonpolarity branch of the utility model, so within rated power, there is not the problem that load can't wildcard; In addition, it is simple that the utility model also has a circuit structure, the advantage that antijamming capability is strong, stable and reliable for performance.
[description of drawings]
In conjunction with the embodiments the utility model is further described with reference to the accompanying drawings.
Fig. 1 is the utility model rpyroelectric infrared construction of switch surface structure schematic diagram.
Fig. 2 is the utility model rpyroelectric infrared switch module circuit connection diagram.
[embodiment]
Seeing also shown in Figure 1ly, is the utility model double wire system rpyroelectric infrared switch surface structure schematic diagram.Double wire system rpyroelectric infrared switch comprises Fresnel Lenses 1, switch panel 2, opening and closing tailgate 3; Opening and closing tailgate 3 is encapsulated in the back side of described switch panel 2.Be provided with a rpyroelectric infrared switch module 4 in the space of described switch panel 2 and opening and closing tailgate 3 encapsulation, described Fresnel Lenses 1 is convexly equipped with on the surface of switch panel 2 and with described rpyroelectric infrared switch module 4 and links to each other.Rpyroelectric infrared switch module 4 described in the utility model directly is serially connected in the loop of power supply and load formation.
In conjunction with shown in Figure 2, be the utility model rpyroelectric infrared switch module circuit connection diagram again.Described rpyroelectric infrared switch module 4 comprises pyroelectric infrared sensor 41, low pass filter 42, hybrid digital-analog integrated circuit 43, load driving circuits 44 and power circuit 45; Described pyroelectric infrared sensor 41, low pass filter 42, hybrid digital-analog integrated circuit 43 and load driving circuits 44 are connected in turn, and described low pass filter 42, hybrid digital-analog integrated circuit 43 are connected power taking with described power circuit 45.Wherein, low pass filter 42 is connected to the P14 pin of hybrid digital-analog integrated circuit 43, and the P2 pin of hybrid digital-analog integrated circuit 43 links to each other with load driving circuits 44 again.Described Fresnel Lenses 1 is connected with described rpyroelectric infrared switch module 4 by pyroelectric infrared sensor 41.Described load driving circuits 44 is made of controllable silicon and bridge heap, and the input of described bridge heap directly is serially connected in the loop of power supply and load formation by two bronze medal binding posts 5.
Operation principle of the present utility model is: the effect of described Fresnel Lenses 1 has common two: the one, and focussing force, soon heat is released the infrared signal refraction or is reflected on the PIR (passive infrared line detector), second effect is to release infrared signal be divided into several area pellucidas and dark space in the search coverage, make the mobile object that the enters search coverage heat that can change with the form of variations in temperature on PIR.When the utility model is sensed human body and is moved by Fresnel Lenses 1 when pyroelectric infrared sensor 41; the S terminal output high level of pyroelectric infrared sensor 41; high level is through low pass filter 42 filtering; low pass filter 42 is with the P14 pin of useful signal input hybrid digital-analog integrated circuit 43; hybrid digital-analog integrated circuit 43 is handled signal again; P2 pin output high level from hybrid digital-analog integrated circuit 43; thereby these high level control load drive circuit 44 work conducting loads make load enter operating state; this high level can be delayed time a bit of time after the people left; work on a period of time thereby keep load, load forms the loop by copper binding post 5 and the utility model double wire system rpyroelectric infrared switch.
In sum, the structure of the double wire system rpyroelectric infrared switch that the utility model disclosed, will with complete the combining of existing illuminating line, the complete sum of not destroying existing illuminating line is attractive in appearance, convenience easy for installation, economical and practical; And there is not load wildcard problem.Can be applicable to various occasions such as automatic opens solenoid valve, automatically-controlled door, incandescent lamp, electricity-saving lamp, LED lamp, electric fan, realize that really various load people open, the intelligent effect that the people walks to close, not only energy-conservation but also environmental protection.
Claims (5)
1, a kind of double wire system rpyroelectric infrared switch, comprise switch panel and opening and closing tailgate, it is characterized in that: be provided with a rpyroelectric infrared switch module in the space of switch panel and opening and closing tailgate encapsulation, described rpyroelectric infrared switch module directly is serially connected in the loop of power supply and load formation.
2, a kind of double wire system rpyroelectric infrared switch according to claim 1, it is characterized in that: described rpyroelectric infrared switch module comprises pyroelectric infrared sensor, low pass filter, hybrid digital-analog integrated circuit, load driving circuits and power circuit; Described pyroelectric infrared sensor, low pass filter, hybrid digital-analog integrated circuit and load driving circuits are connected in turn, and described low pass filter, hybrid digital-analog integrated circuit are connected power taking with described power circuit.
3, a kind of double wire system rpyroelectric infrared switch according to claim 2, it is characterized in that: described pyroelectric infrared sensor also connects a Fresnel Lenses, and described Fresnel Lenses convexedly stretches in outside the described switch panel.
4, a kind of double wire system rpyroelectric infrared switch according to claim 2, it is characterized in that: described low pass filter is connected to the P14 pin of hybrid digital-analog integrated circuit, and the P2 pin of described hybrid digital-analog integrated circuit links to each other with load driving circuits again.
5, a kind of double wire system rpyroelectric infrared switch according to claim 4, it is characterized in that: described load driving circuits is made of controllable silicon and bridge heap, and the input of described bridge heap directly is serially connected in the loop of power supply and load formation by two bronze medal binding posts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201013314U CN201167309Y (en) | 2008-02-01 | 2008-02-01 | Crewel heat-production electricity-releasing infrared switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201013314U CN201167309Y (en) | 2008-02-01 | 2008-02-01 | Crewel heat-production electricity-releasing infrared switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201167309Y true CN201167309Y (en) | 2008-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201013314U Expired - Fee Related CN201167309Y (en) | 2008-02-01 | 2008-02-01 | Crewel heat-production electricity-releasing infrared switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201167309Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981423A (en) * | 2012-11-27 | 2013-03-20 | 林全忠 | Human infrared induction controller |
-
2008
- 2008-02-01 CN CNU2008201013314U patent/CN201167309Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981423A (en) * | 2012-11-27 | 2013-03-20 | 林全忠 | Human infrared induction controller |
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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: 20081217 Termination date: 20120201 |