CN203858466U - Device for displaying and hiding backlight touch button through infrared induction - Google Patents

Device for displaying and hiding backlight touch button through infrared induction Download PDF

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Publication number
CN203858466U
CN203858466U CN201420129851.1U CN201420129851U CN203858466U CN 203858466 U CN203858466 U CN 203858466U CN 201420129851 U CN201420129851 U CN 201420129851U CN 203858466 U CN203858466 U CN 203858466U
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CN
China
Prior art keywords
infrared
electric capacity
resistance
touch controlled
controlled key
Prior art date
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 - Lifetime
Application number
CN201420129851.1U
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Chinese (zh)
Inventor
黄伟雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai Taichuan Cloud Technology Co ltd
Original Assignee
Tai Chuan Electrical Equipment Manufacturing Co Ltd Of Zhuhai City
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Filing date
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Application filed by Tai Chuan Electrical Equipment Manufacturing Co Ltd Of Zhuhai City filed Critical Tai Chuan Electrical Equipment Manufacturing Co Ltd Of Zhuhai City
Priority to CN201420129851.1U priority Critical patent/CN203858466U/en
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Publication of CN203858466U publication Critical patent/CN203858466U/en
Anticipated expiration legal-status Critical
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

The utility model discloses an infrared induction display device and aims to provide a device for displaying and hiding a backlight touch button through infrared induction with stable working, good anti-interference performance, and convenient use. The device comprises a touch button (1) and a backlight display (2) which comprises a CPU (3), an infrared emitter (4), an infrared receiver (5) and a display lamp (6). The direction of emitting an infrared beam by the infrared emitter (4) is same with the direction of receiving the infrared beam by the infrared receiver (5). When people approaches, the infrared beam emitted by the infrared emitter (4) is emitted to the infrared receiver (5), the infrared receiver (5) sends a direction signal to the CPU (3), and the CPU (3) controls to the display lamp (6) to be lighted. The device is applied to the technical field of home security.

Description

A kind of device of hiding touch controlled key backlight that shows by infrared induction
Technical field
The utility model relates to a kind of infrared induction display device, particularly a kind of device of hiding touch controlled key backlight that shows by infrared induction.
Background technology
In video intercom and intelligent domestic system, touch controlled key is the parts that often can use, and current many touch controlled keys are all provided with background light; background light is conventionally by infrared sensing switch control, at night, when have people near time; background light can light automatically, with the keyboard that is convenient for people to use.
Human body has constant body temperature, and generally at 37 degree, so can send the infrared ray of the specific wavelength of about 10um, passive type infrared probe carries out work by surveying the infrared ray about the 10um of human-body emitting.The infrared ray of the 10um left and right of human-body emitting gathers on infrared induction source after strengthening by your optical filter of luxuriant and rich with fragrance mud.Infrared induction source adopts pyroelectricity element conventionally, and this element will lose charge balance receiving when human infrared radiation temperature changes, and outwards discharges electric charge, and subsequent conditioning circuit just can produce control signal after processing after testing.But this control mode is easily subject to various thermals source, light source, is subject to the interference of radio-frequency radiation, passive infrared penetration power is poor, the infrared radiation of human body is easily blocked, be difficult for being received by probe, and in the time that environment temperature and human body temperature approach, detection and sensitivity obviously decline, and sometimes cause malfunctioning in short-term.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, a kind of working stability, good in anti-interference performance is provided, easy to use shows by infrared induction the device of hiding touch controlled key backlight.
The technical scheme that the utility model adopts is: the utility model comprises touch controlled key and is arranged on the backlit display at described touch controlled key back, described backlit display comprises CPU, infrared transmitter, infrared remote receiver and display lamp, described infrared transmitter, described infrared remote receiver and described display lamp are all electrically connected with described CPU, it is identical with the direction of described infrared remote receiver receiving infrared-ray that described infrared transmitter is launched ultrared direction, people near time, the infrared ray of described infrared transmitter transmitting by human-body emitting to described infrared remote receiver, described infrared remote receiver sends to detection signal after described CPU again, described CPU controls described display lamp and lights.
On described touch controlled key, be provided with and described infrared transmitter and the suitable light transmission piece of described infrared remote receiver.
Described infrared transmitter comprises infrared transmitting circuit, and described infrared transmitting circuit comprises infrared-emitting diode and triode, the base stage of described triode and resistance after series connection, be electrically connected with described CPU, the grounded emitter of described triode, described emitter and described base stage are passed through resistance be connected, the collector of described triode is connected with the negative electricity of described infrared-emitting diode.
Described backlit display also comprises display circuit, and display lamp is light emitting diode, and described display circuit comprises resistance , resistance , electric capacity and electric capacity , described resistance with described resistance after in parallel, one end is connected with the negative electricity of described light emitting diode, and the other end is electrically connected with the positive pole of described infrared-emitting diode, described electric capacity with described electric capacity one end ground connection after in parallel, the other end is connected with the negative pole of described light emitting diode, and when use, the positive pole of described light emitting diode is connected with power supply.
Described electric capacity with described electric capacity for electrochemical capacitor.
Described infrared remote receiver comprises infrared receiving circuit, and described infrared receiving circuit comprises infrared receiving diode, electric capacity , electric capacity , electric capacity and resistance , described electric capacity with described electric capacity one end ground connection after in parallel, the pin of one end and described infrared receiving diode in addition electrical connection; Described resistance one termination power, the other end also with described pin electrical connection; Described electric capacity the pin of one end and described infrared receiving diode electrical connection, after other end ground connection with the pin of described infrared receiving diode electrical connection.
The beneficial effects of the utility model are: because the utility model comprises touch controlled key and is arranged on the backlit display at described touch controlled key back, described backlit display comprises CPU, infrared transmitter, infrared remote receiver and display lamp, described infrared transmitter, described infrared remote receiver and described display lamp are all electrically connected with described CPU, it is identical with the direction of described infrared remote receiver receiving infrared-ray that described infrared transmitter is launched ultrared direction, people near time, the infrared ray of described infrared transmitter transmitting by human-body emitting to described infrared remote receiver, described infrared remote receiver sends to detection signal after described CPU again, described CPU controls described display lamp and lights, so, in the time that the utility model is applied in video intercom and intelligent domestic system, because video intercom and intelligent domestic system are generally indoor use, avoid much coming from thermal source, light source and other interference source, in touch controlled key backlight, user indoor near and while touching with hand, described infrared remote receiver can receive infrared ray that human body sends and the infrared ray of described infrared transmitter transmitting simultaneously, described CPU can judge accurately, working stability, very easy to use, and described infrared transmitter can be launched the infrared ray of specific wavelength, there is good interference free performance.
Brief description of the drawings
Fig. 1 is simple structure schematic diagram of the present utility model;
Fig. 2 is the circuit diagram of described infrared receiving circuit;
Fig. 3 is the circuit diagram of described infrared transmitting circuit 41 and described display circuit 21.
Embodiment
As shown in Figure 1, in the present embodiment, the utility model comprises touch controlled key 1 and is arranged on the backlit display 2 at described touch controlled key 1 back, described backlit display 2 comprises CPU3, infrared transmitter 4, infrared remote receiver 5 and display lamp 6, described infrared transmitter 4, described infrared remote receiver 5 and described display lamp 6 are all electrically connected with described CPU3, it is identical with the direction of described infrared remote receiver 5 receiving infrared-rays that described infrared transmitter 4 is launched ultrared direction, people near time, the infrared ray that described infrared transmitter 4 is launched by human-body emitting to described infrared remote receiver 5, described infrared remote receiver 5 sends to detection signal after described CPU3 again, described CPU3 controls described display lamp 6 and lights, in the present embodiment, described touch controlled key 1 is made up of transparent material.
On described touch controlled key 1, be provided with and described infrared transmitter 4 and the suitable light transmission piece 7 of described infrared remote receiver 5.
As shown in Figure 3, described infrared transmitter 4 comprises infrared transmitting circuit 41, and described infrared transmitting circuit 41 comprises infrared-emitting diode LED1 and triode, the base stage B of described triode and resistance after R1 series connection, be electrically connected with described CPU3, the emitter E ground connection of described triode, described emitter E and described base stage B pass through resistance r2 is connected, and the collector C of described triode is connected with the negative electricity of described infrared-emitting diode LED1.
Described backlit display 2 also comprises display circuit 21, and display lamp 6 is LED 2, and described display circuit 21 comprises resistance r3, resistance r4, electric capacity c1 and electric capacity c2, described resistance r3 and described resistance after R4 parallel connection, one end is connected with the negative electricity of described LED 2, and the other end is electrically connected with the positive pole of described infrared-emitting diode LED1, described electric capacity c1 and described electric capacity one end ground connection after C2 parallel connection, the other end is connected with the negative pole of described LED 2, and when use, the positive pole of described LED 2 is connected with power supply.
As shown in Figure 2, described infrared remote receiver 5 comprises infrared receiving circuit, and described infrared receiving circuit comprises infrared receiving diode 51, electric capacity c3, electric capacity c4, electric capacity c5 and resistance r5, described electric capacity c3 and described electric capacity one end ground connection after C4 parallel connection, the in addition pin of one end and described infrared receiving diode 51 electrical connection; Described resistance r5 mono-termination power, the other end also with described pin electrical connection; Described electric capacity the pin of C5 one end and described infrared receiving diode 51 electrical connection, after other end ground connection with the pin of described infrared receiving diode 51 electrical connection.
In the present embodiment, described electric capacity c1 and described electric capacity c2, described electric capacity c3 is electrochemical capacitor.
In the present embodiment, under idle condition, described infrared-emitting diode LED1 always ceaselessly transmission frequency be the infrared ray of 38K HZ, when human body is near designing in sweep limit, described infrared receiving diode 51 receives that human body penetrates the infrared ray of returning outward, detection trigger signal sends to described CPU3, process and send control signal to described display circuit 21 through described CPU3 again, controlling press key lamp is the light and shade of described LED 2, working stability in whole process, very easy to use, and there is good antijamming capability.
The utility model is applied to the technical field of security protection at home.
Although embodiment of the present utility model describes with practical solution, but do not form the restriction to the utility model implication, for those skilled in the art, the amendment according to this instructions to its embodiment and with the combination of other schemes be all apparent.

Claims (6)

1. one kind shows the device of hiding touch controlled key backlight by infrared induction, comprise touch controlled key (1) and be arranged on the backlit display (2) at described touch controlled key (1) back, it is characterized in that: described backlit display (2) comprises CPU(3), infrared transmitter (4), infrared remote receiver (5) and display lamp (6), described infrared transmitter (4), described infrared remote receiver (5) and described display lamp (6) all with described CPU(3) be electrically connected, it is identical with the direction of described infrared remote receiver (5) receiving infrared-ray that described infrared transmitter (4) is launched ultrared direction, people near time, the infrared ray of described infrared transmitter (4) transmitting arrives on described infrared remote receiver (5) by human-body emitting, described infrared remote receiver (5) sends to detection signal described CPU(3 again) after, described CPU(3) control described display lamp (6) and light.
2. according to claim 1ly a kind ofly show and hide the device of touch controlled key backlight by infrared induction, it is characterized in that: on described touch controlled key (1), be provided with and described infrared transmitter (4) and the suitable light transmission piece (7) of described infrared remote receiver (5).
3. a kind of device of hiding touch controlled key backlight that shows by infrared induction according to claim 1, it is characterized in that: described infrared transmitter (4) comprises infrared transmitting circuit (41), described infrared transmitting circuit (41) comprises infrared-emitting diode (LED1) and triode, base stage (B) and the resistance of described triode (R1) after series connection with described CPU(3) be electrically connected, emitter (E) ground connection of described triode, described emitter (E) and described base stage (B) are passed through resistance (R2) be connected, the collector (C) of described triode is connected with the negative electricity of described infrared-emitting diode (LED1).
4. a kind of device of hiding touch controlled key backlight that shows by infrared induction according to claim 3, it is characterized in that: described backlit display (2) also comprises display circuit (21), display lamp (6) is light emitting diode (LED2), and described display circuit (21) comprises resistance (R3), resistance (R4), electric capacity and electric capacity (C1) (C2), described resistance and described resistance (R3) (R4) rear one end in parallel is connected with the negative electricity of described light emitting diode (LED2), and the other end is electrically connected with the positive pole of described infrared-emitting diode (LED1), described electric capacity and described electric capacity (C1) (C2) rear one end in parallel ground connection, the other end is connected with the negative pole of described light emitting diode (LED2), and when use, the positive pole of described light emitting diode (LED2) is connected with power supply.
5. a kind of device of hiding touch controlled key backlight that shows by infrared induction according to claim 4, is characterized in that: described electric capacity and described electric capacity (C1) (C2) be electrochemical capacitor.
6. according to a kind of device of hiding touch controlled key backlight that shows by infrared induction described in claim 1 to 5 any one, it is characterized in that: described infrared remote receiver (5) comprises infrared receiving circuit, described infrared receiving circuit comprises infrared receiving diode (51), electric capacity (C3), electric capacity (C4), electric capacity and resistance (C5) (R5), described electric capacity and described electric capacity (C3) (C4) rear one end in parallel ground connection, the pin of one end and described infrared receiving diode (51) in addition electrical connection; Described resistance (R5) termination power, the other end also with described pin electrical connection; Described electric capacity (C5) pin of one end and described infrared receiving diode (51) electrical connection, after other end ground connection with the pin of described infrared receiving diode (51) electrical connection.
CN201420129851.1U 2014-03-21 2014-03-21 Device for displaying and hiding backlight touch button through infrared induction Expired - Lifetime CN203858466U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420129851.1U CN203858466U (en) 2014-03-21 2014-03-21 Device for displaying and hiding backlight touch button through infrared induction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420129851.1U CN203858466U (en) 2014-03-21 2014-03-21 Device for displaying and hiding backlight touch button through infrared induction

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107481616A (en) * 2017-04-12 2017-12-15 冠捷显示科技(中国)有限公司 Display device and operation method thereof
CN109541721A (en) * 2018-11-13 2019-03-29 河南省军工电子信息科技有限公司 Environment self-adaption vehicle is detained personnel's detection method and detection device
CN111127864A (en) * 2020-01-03 2020-05-08 广东好太太科技集团股份有限公司 Custom remote control system applied to clothes airing machine and setting method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107481616A (en) * 2017-04-12 2017-12-15 冠捷显示科技(中国)有限公司 Display device and operation method thereof
CN109541721A (en) * 2018-11-13 2019-03-29 河南省军工电子信息科技有限公司 Environment self-adaption vehicle is detained personnel's detection method and detection device
CN109541721B (en) * 2018-11-13 2020-09-15 河南省军工电子信息科技有限公司 Environment self-adaptive vehicle detained personnel detection method and detection device
CN111127864A (en) * 2020-01-03 2020-05-08 广东好太太科技集团股份有限公司 Custom remote control system applied to clothes airing machine and setting method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: ZHUHAI TAICHUAN CLOUD TECHNOLOGY CO., LTD.

Free format text: FORMER NAME: ZHUHAI TAICHUAN ELECTRIC MANUFACTURING CO., LTD.

CP03 Change of name, title or address

Address after: 519070, No. 1, building 611, Warwick Road, Qianshan Industrial Zone, Guangdong, Zhuhai Province, China, three or four

Patentee after: ZHUHAI TAICHUAN CLOUD TECHNOLOGY Co.,Ltd.

Address before: 519000, No. 1, building 611, Warwick Road, Qianshan Industrial Zone, Guangdong, Zhuhai Province, China, three or four

Patentee before: ZHUHAI TAICHUAN ELECTRIC MANUFACTURING CO.,LTD.

CX01 Expiry of patent term

Granted publication date: 20141001