CN211826508U - Infrared inductor with two transmitting heads - Google Patents
Infrared inductor with two transmitting heads Download PDFInfo
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- CN211826508U CN211826508U CN201922105046.0U CN201922105046U CN211826508U CN 211826508 U CN211826508 U CN 211826508U CN 201922105046 U CN201922105046 U CN 201922105046U CN 211826508 U CN211826508 U CN 211826508U
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Abstract
The utility model provides an infrared inductor who takes two transmission heads in inductor technical field, including a singlechip U1, an electric capacity C1, an electric capacity C2, a resistance R1, a resistance R2, a resistance R3, a resistance R4, a resistance R5, a resistance R6, a MOS pipe Q1, a MOS pipe Q2, a MOS pipe Q3, a long distance infrared transmitting tube D1, a low coverage infrared transmitting tube D2 and an infrared receiving tube D3. The utility model has the advantages that: the realization is taken into account remote and closely response, and with low costs, small, pleasing to the eye and do not influence infrared induction precision, and then very big promotion user experience.
Description
Technical Field
The utility model relates to an inductor technical field indicates an infrared inductor of taking two transmission heads very much.
Background
As the infrared induction water faucet and the infrared induction large and small toilet without contact are popularized in public places such as hotels, guest houses, office buildings, airports, medical institutions and the like, the cross infection of bacteria is effectively avoided, and the toilet is convenient and sanitary.
Since the sensing distance of the infrared sensor is divided into a long distance (the detection distance of the white flat plate with the size of 297 x 297mm is 120mm-1800mm) and a short distance (the detection distance of the white flat plate with the size of 297 x 297mm is 0mm-300mm), when the infrared sensor is selected, the type of the long distance or the short distance needs to be determined according to the actual application scene, if the sensing needs to be performed on the long distance and the short distance at the same time in one application scene, the following two methods exist conventionally:
one is that infrared sensors with long-distance and short-distance sensing distances are installed in parallel at the same time, but the defects of high cost, large volume and unattractive appearance exist.
Secondly, the current of the infrared emission tube is adjusted through the single chip microcomputer, and then the adjustment of the induction distance is realized; because the distance between the infrared transmitting tube and the infrared receiving tube needs to be as close as possible under the condition of ensuring direct light isolation, when in close-range induction, if the distance between the infrared transmitting tube and the infrared receiving tube is too far, the infrared receiving tube can not receive infrared light reflected by an object, and when in long-range induction, if the distance between the infrared transmitting tube and the infrared receiving tube is too close, signal interference can be caused; and the current of infrared transmitting tube is adjusted through the singlechip, can lead to infrared transmitting tube and infrared receiving tube's distance to become improper, and then influences infrared induction precision.
Therefore, how to provide an infrared inductor who takes two transmitting heads, realize compromising remote and closely response, and with low costs, small, pleasing to the eye and do not influence infrared induction precision, and then promote user experience, become a problem that awaits a urgent need to be solved.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in providing a take infrared inductor of two transmission heads, realizes taking into account remote and closely response, and with low costs, small, pleasing to the eye and do not influence the infrared induction precision, and then promote user experience.
The utility model discloses a realize like this: an infrared inductor with two emission heads comprises a single chip microcomputer U1, a capacitor C1, a capacitor C2, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a MOS transistor Q1, a MOS transistor Q2, a MOS transistor Q3, a long-distance infrared emission tube D1, a near-distance infrared emission tube D2 and an infrared receiving tube D3;
Further, the horizontal distance between the far infrared transmitting tube D1 and the infrared receiving tube D3 is 8mm to 15 mm.
Further, the horizontal distance between the near infrared emission tube D2 and the infrared receiving tube D3 is 4mm to 8 mm.
Further, the model of the single chip microcomputer U1 is HT45F 3230.
Further, the model of the MOS transistor Q1 is CJ 2301; the models of the MOS transistor Q2 and the MOS transistor Q3 are CJ 2302.
The utility model has the advantages that:
1. through setting up singlechip U1, far distance infrared emission pipe D1, near distance infrared emission pipe D2, MOS pipe Q1, MOS pipe Q2 and MOS pipe Q3, make singlechip U1 can be through controlling switching on and cutting off of MOS pipe Q1, MOS pipe Q2 or MOS pipe Q3, and then control far distance infrared emission pipe D1 or near distance infrared emission pipe D2's work, realize giving consideration to long distance and near-range response, because components and parts all integrate on a PCB board, for traditional parallel installation induction distance is long distance and near-range infrared inductor simultaneously, with low costs, small, and pleasing to the eye.
2. Through injecing far distance infrared emission pipe D1 is 8mm to 15mm with infrared receiver tube D3's horizontal distance scope, near-range infrared emission pipe D2 is 4mm to 8mm with infrared receiver tube D3's horizontal distance scope for far distance infrared emission pipe D1 and near-range infrared emission pipe D2 are in reasonable interval with infrared receiver tube D3's horizontal distance, for the method of traditional through singlechip adjustment infrared emission pipe electric current, do not influence infrared induction precision, very big promotion user experience.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a circuit diagram of an infrared sensor with two emitting heads according to the present invention.
Fig. 2 is a circuit diagram of adjusting the current of an infrared transmitting tube by a single chip microcomputer conventionally.
Detailed Description
Referring to fig. 1 to 2, a preferred embodiment of an infrared sensor with two emitters of the present invention includes a single-chip microcomputer U1, a capacitor C1, a capacitor C2, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a MOS transistor Q1, a MOS transistor Q2, a MOS transistor Q3, a far-distance infrared emitter D1, a near-distance infrared emitter D2, and an infrared receiver D3; the single chip microcomputer U1 is used for controlling the on and off of an MOS tube Q1, an MOS tube Q2 or an MOS tube Q3, further controlling the far infrared emission tube D1 and the near infrared emission tube D2 to emit infrared signals outwards, and receiving the reflected infrared signals by using the infrared receiving tube D3, and the control program is well known by those skilled in the art and can be obtained by those skilled in the art without creative work; the far-distance infrared emission tube D1 is an infrared emission tube with a small visual angle, and the near-distance infrared emission tube D2 is an infrared emission tube with a large visual angle;
through setting up singlechip U1, far distance infrared emission pipe D1, near distance infrared emission pipe D2, MOS pipe Q1, MOS pipe Q2 and MOS pipe Q3, make singlechip U1 can be through controlling switching on and cutting off of MOS pipe Q1, MOS pipe Q2 or MOS pipe Q3, and then control far distance infrared emission pipe D1 or near distance infrared emission pipe D2's work, realize giving consideration to long distance and near-range response, because components and parts all integrate on a PCB board, for traditional parallel installation induction distance is long distance and near-range infrared inductor simultaneously, with low costs, small, and pleasing to the eye.
The horizontal distance between the far infrared transmitting tube D1 and the infrared receiving tube D3 ranges from 8mm to 15 mm.
The horizontal distance between the near infrared transmitting tube D2 and the infrared receiving tube D3 ranges from 4mm to 8 mm.
Through injecing far distance infrared emission pipe D1 is 8mm to 15mm with infrared receiver tube D3's horizontal distance scope, near-range infrared emission pipe D2 is 4mm to 8mm with infrared receiver tube D3's horizontal distance scope for far distance infrared emission pipe D1 and near-range infrared emission pipe D2 are in reasonable interval with infrared receiver tube D3's horizontal distance, for the method of traditional through singlechip adjustment infrared emission pipe electric current, do not influence infrared induction precision, very big promotion user experience.
The type of the single chip microcomputer U1 is HT45F3230 of HOLTEK.
The MOS tube Q1 is CJ2301 in model number; the models of the MOS transistor Q2 and the MOS transistor Q3 are CJ 2302.
The utility model discloses the theory of operation:
when short distance sensing is needed, the single chip microcomputer U1 outputs low level through a pin 2, so that the MOS tube Q1 and the MOS tube Q3 are cut off, the MOS tube Q2 is conducted, the short distance infrared emission tube D2 is conducted to emit an infrared signal outwards, and the long distance infrared emission tube D1 is cut off; the infrared receiving tube D3 receives the reflected infrared signal and transmits the infrared signal to the single chip microcomputer U1, and close-range induction is completed.
When a long distance needs to be sensed, the single chip microcomputer U1 outputs a high level through a pin 2, so that the MOS tube Q1 and the MOS tube Q3 are switched on, the MOS tube Q2 is switched off, the long distance infrared emission tube D1 is switched on to emit an infrared signal outwards, and the short distance infrared emission tube D2 is switched off; the infrared receiving tube D3 receives the reflected infrared signal and transmits the infrared signal to the single chip microcomputer U1, and long-distance sensing is completed.
To sum up, the utility model has the advantages that:
1. through setting up singlechip U1, far distance infrared emission pipe D1, near distance infrared emission pipe D2, MOS pipe Q1, MOS pipe Q2 and MOS pipe Q3, make singlechip U1 can be through controlling switching on and cutting off of MOS pipe Q1, MOS pipe Q2 or MOS pipe Q3, and then control far distance infrared emission pipe D1 or near distance infrared emission pipe D2's work, realize giving consideration to long distance and near-range response, because components and parts all integrate on a PCB board, for traditional parallel installation induction distance is long distance and near-range infrared inductor simultaneously, with low costs, small, and pleasing to the eye.
2. Through injecing far distance infrared emission pipe D1 is 8mm to 15mm with infrared receiver tube D3's horizontal distance scope, near-range infrared emission pipe D2 is 4mm to 8mm with infrared receiver tube D3's horizontal distance scope for far distance infrared emission pipe D1 and near-range infrared emission pipe D2 are in reasonable interval with infrared receiver tube D3's horizontal distance, for the method of traditional through singlechip adjustment infrared emission pipe electric current, do not influence infrared induction precision, very big promotion user experience.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (5)
1. The utility model provides a take infrared inductor of two transmission heads which characterized in that: the infrared emission device comprises a single chip microcomputer U1, a capacitor C1, a capacitor C2, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, an MOS tube Q1, an MOS tube Q2, an MOS tube Q3, a long-distance infrared emission tube D1, a short-distance infrared emission tube D2 and an infrared receiving tube D3;
pin 1 of the single chip microcomputer U1 is connected with a capacitor C2 and a resistor R6, pin 2 is connected with the capacitor C1 and the resistor R4, pin 6 is connected with the resistor R2, pin 12 is connected with pin 3 of an MOS tube Q1 and pin 2 of an MOS tube Q2, and pins 9 and 13 are grounded; the resistor R4, the resistor R5 and the resistor R6 are all grounded; the capacitor C2 is respectively connected with the resistor R5 and the input end of the infrared receiving tube D3;
pin 1 of the MOS transistor Q1 is respectively connected with a resistor R1, pin 1 of the MOS transistor Q2 and pin 3 of the MOS transistor Q3, and pin 2 is connected with the output end of the remote infrared emission tube D1; the pin 3 of the MOS tube Q2 is connected with the output end of the near infrared emission tube D2; the resistor R1 is respectively connected with the input end of the far infrared emission tube D1 and the input end of the near infrared emission tube D2; pin 1 of the MOS transistor Q3 is connected to the resistor R2 and the resistor R3, respectively, and pin 2 is connected to the resistor R3 and grounded.
2. The infrared sensor with two emission heads as set forth in claim 1, wherein: the horizontal distance between the far infrared transmitting tube D1 and the infrared receiving tube D3 ranges from 8mm to 15 mm.
3. The infrared sensor with two emission heads as set forth in claim 1, wherein: the horizontal distance between the near infrared transmitting tube D2 and the infrared receiving tube D3 ranges from 4mm to 8 mm.
4. The infrared sensor with two emission heads as set forth in claim 1, wherein: the model of the single chip microcomputer U1 is HT45F 3230.
5. The infrared sensor with two emission heads as set forth in claim 1, wherein: the MOS tube Q1 is CJ2301 in model number; the models of the MOS transistor Q2 and the MOS transistor Q3 are CJ 2302.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922105046.0U CN211826508U (en) | 2019-11-29 | 2019-11-29 | Infrared inductor with two transmitting heads |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922105046.0U CN211826508U (en) | 2019-11-29 | 2019-11-29 | Infrared inductor with two transmitting heads |
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| CN211826508U true CN211826508U (en) | 2020-10-30 |
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| CN201922105046.0U Active CN211826508U (en) | 2019-11-29 | 2019-11-29 | Infrared inductor with two transmitting heads |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023206728A1 (en) * | 2022-04-27 | 2023-11-02 | 漳州松霖智能家居有限公司 | Infrared sensor and infrared sensing window |
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2019
- 2019-11-29 CN CN201922105046.0U patent/CN211826508U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023206728A1 (en) * | 2022-04-27 | 2023-11-02 | 漳州松霖智能家居有限公司 | Infrared sensor and infrared sensing window |
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