CN204697047U - A kind of wireless receiving circuit - Google Patents
A kind of wireless receiving circuit Download PDFInfo
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- CN204697047U CN204697047U CN201520434943.5U CN201520434943U CN204697047U CN 204697047 U CN204697047 U CN 204697047U CN 201520434943 U CN201520434943 U CN 201520434943U CN 204697047 U CN204697047 U CN 204697047U
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Abstract
The utility model discloses a kind of wireless receiving circuit, comprise relay K, triode VT1, diode VD3, electric capacity C1, resistance R1 and ultrasonic transducer B, relay K coil one end connects power supply VCC, electric capacity C1, diode VD2 negative pole, triode VT4 emitter, diode VD1 negative pole and resistance R7 respectively, the resistance R7 other end is contact resistance R5, resistance R3 and resistance R1 respectively, the resistance R1 other end is connecting triode VT2 base stage and triode VT1 collector electrode respectively, and triode VT1 base stage is contact resistance R2 and ultrasonic transducer B respectively.The utility model wireless receiving circuit does not adopt any chip component, antijamming capability is strong, circuit structure is simple, cost is low, diode VD3 and diode VD4 is connected in addition at triode VT3 collector electrode, the peak voltage clamper that triode VT3 can be produced, to safety value, improves stability, is applicable to very much promoting the use of.
Description
Technical field
The utility model relates to a kind of receiving circuit, specifically a kind of wireless receiving circuit.
Background technology
Along with intelligentized propelling, controlled in wireless more and more enters our life, but to be wireless transmitter internal circuit configuration complicated for the problem that wireless domain exists now, and cost is higher, and volume is comparatively large, seriously hinders it and promotes the use of.
Utility model content
The purpose of this utility model is to provide the wireless receiving circuit that a kind of circuit structure is simple, volume is little, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of wireless receiving circuit, comprises relay K, triode VT1, diode VD3, electric capacity C1, resistance R1 and ultrasonic transducer B, described relay K coil one end connects power supply VCC respectively, electric capacity C1, diode VD2 negative pole, triode VT4 emitter, diode VD1 negative pole and resistance R7, the resistance R7 other end is contact resistance R5 respectively, resistance R3 and resistance R1, the resistance R1 other end is connecting triode VT2 base stage and triode VT1 collector electrode respectively, and triode VT1 base stage is contact resistance R2 and ultrasonic transducer B, ultrasonic transducer B other end connecting triode VT1 emitter respectively respectively, electric capacity C2, resistance R4, electric capacity C4, triode VT3 emitter, diode VD4 positive pole, electric capacity C6, triode VT5 emitter and the electric capacity C1 other end, the electric capacity C2 other end is the contact resistance R2 other end respectively, the resistance R4 other end and triode VT2 emitter, triode VT2 collector electrode is the contact resistance R3 other end and electric capacity C3, electric capacity C3 other end contact resistance R6 respectively respectively, triode VT3 base stage and the electric capacity C4 other end, the resistance R6 other end is the contact resistance R5 other end respectively, electric capacity C5, triode VT3 collector electrode and diode VD3 positive pole, diode VD3 negative pole connects diode VD4 negative pole, the described electric capacity C5 other end connects diode VD1 positive pole and triode VT4 base stage respectively, triode VT4 collector electrode contact resistance R8, the resistance R8 other end connects the electric capacity C6 other end and triode VT5 base stage respectively, and triode VT5 collector electrode connects the relay K coil other end and diode VD2 positive pole respectively.
As further program of the utility model: described ultrasonic transducer adopts R40-16.
As the utility model further scheme: β >=200 of described triode VT1, β >=150 of triode VT2.
Compared with prior art, the beneficial effects of the utility model are: the utility model wireless receiving circuit does not adopt any chip component, antijamming capability is strong, circuit structure is simple, cost is low, connects diode VD3 and diode VD4 in addition at triode VT3 collector electrode, and the peak voltage clamper that triode VT3 can be produced is to safety value, improve stability, be applicable to very much promoting the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of wireless receiving circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of wireless receiving circuit, comprises relay K, triode VT1, diode VD3, electric capacity C1, resistance R1 and ultrasonic transducer B, relay K coil one end connects power supply VCC respectively, electric capacity C1, diode VD2 negative pole, triode VT4 emitter, diode VD1 negative pole and resistance R7, the resistance R7 other end is contact resistance R5 respectively, resistance R3 and resistance R1, the resistance R1 other end is connecting triode VT2 base stage and triode VT1 collector electrode respectively, and triode VT1 base stage is contact resistance R2 and ultrasonic transducer B, ultrasonic transducer B other end connecting triode VT1 emitter respectively respectively, electric capacity C2, resistance R4, electric capacity C4, triode VT3 emitter, diode VD4 positive pole, electric capacity C6, triode VT5 emitter and the electric capacity C1 other end, the electric capacity C2 other end is the contact resistance R2 other end respectively, the resistance R4 other end and triode VT2 emitter, triode VT2 collector electrode is the contact resistance R3 other end and electric capacity C3, electric capacity C3 other end contact resistance R6 respectively respectively, triode VT3 base stage and the electric capacity C4 other end, the resistance R6 other end is the contact resistance R5 other end respectively, electric capacity C5, triode VT3 collector electrode and diode VD3 positive pole, diode VD3 negative pole connects diode VD4 negative pole, the electric capacity C5 other end connects diode VD1 positive pole and triode VT4 base stage respectively, triode VT4 collector electrode contact resistance R8, the resistance R8 other end connects the electric capacity C6 other end and triode VT5 base stage respectively, and triode VT5 collector electrode connects the relay K coil other end and diode VD2 positive pole respectively.
Ultrasonic transducer adopts R40-16.
β >=200 of triode VT1, β >=150 of triode VT2.
Operation principle of the present utility model is: refer to Fig. 1, ultrasonic transducer R40-16 resonance frequency is 40kHZ, after R40-16 frequency-selecting, by the interference signal decay beyond 40kHZ, the pass amplifier only having resonance to send into VT1 ~ VT3 composition in the useful signal (transmitter signal) of 40kHZ amplifies, through electric capacity C5, diode VD1 detects DC component, control triode VT4, the electronic switch that triode VT5 forms drives relay K work, thus pass through the break-make of relay K external contact control load, can be used as wireless remote control gamma camera shutter control, toy for children controls, curtain control etc., connect diode VD3 and diode VD4 at triode VT3 collector electrode in addition, the peak voltage clamper that triode VT3 can be produced, to safety value, improves stability.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (3)
1. a wireless receiving circuit, comprises relay K, triode VT1, diode VD3, electric capacity C1, resistance R1 and ultrasonic transducer B, is characterized in that, described relay K coil one end connects power supply VCC respectively, electric capacity C1, diode VD2 negative pole, triode VT4 emitter, diode VD1 negative pole and resistance R7, the resistance R7 other end is contact resistance R5 respectively, resistance R3 and resistance R1, the resistance R1 other end is connecting triode VT2 base stage and triode VT1 collector electrode respectively, and triode VT1 base stage is contact resistance R2 and ultrasonic transducer B, ultrasonic transducer B other end connecting triode VT1 emitter respectively respectively, electric capacity C2, resistance R4, electric capacity C4, triode VT3 emitter, diode VD4 positive pole, electric capacity C6, triode VT5 emitter and the electric capacity C1 other end, the electric capacity C2 other end is the contact resistance R2 other end respectively, the resistance R4 other end and triode VT2 emitter, triode VT2 collector electrode is the contact resistance R3 other end and electric capacity C3, electric capacity C3 other end contact resistance R6 respectively respectively, triode VT3 base stage and the electric capacity C4 other end, the resistance R6 other end is the contact resistance R5 other end respectively, electric capacity C5, triode VT3 collector electrode and diode VD3 positive pole, diode VD3 negative pole connects diode VD4 negative pole, the described electric capacity C5 other end connects diode VD1 positive pole and triode VT4 base stage respectively, triode VT4 collector electrode contact resistance R8, the resistance R8 other end connects the electric capacity C6 other end and triode VT5 base stage respectively, and triode VT5 collector electrode connects the relay K coil other end and diode VD2 positive pole respectively.
2. wireless receiving circuit according to claim 1, is characterized in that, described ultrasonic transducer adopts R40-16.
3. wireless receiving circuit according to claim 1, is characterized in that, β >=200 of described triode VT1, β >=150 of triode VT2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520434943.5U CN204697047U (en) | 2015-06-22 | 2015-06-22 | A kind of wireless receiving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520434943.5U CN204697047U (en) | 2015-06-22 | 2015-06-22 | A kind of wireless receiving circuit |
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| Publication Number | Publication Date |
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| CN204697047U true CN204697047U (en) | 2015-10-07 |
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| CN201520434943.5U Active CN204697047U (en) | 2015-06-22 | 2015-06-22 | A kind of wireless receiving circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105999562A (en) * | 2016-05-07 | 2016-10-12 | 张舒维 | Laser medical device suitable for otorhinology |
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2015
- 2015-06-22 CN CN201520434943.5U patent/CN204697047U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105999562A (en) * | 2016-05-07 | 2016-10-12 | 张舒维 | Laser medical device suitable for otorhinology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yu Lei Inventor before: Hu Yusong |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160720 Address after: 650199 No. 182 Renmin West Road, Yunnan City, Kunming Province Patentee after: Yunnan wireless digital TV culture media Co., Ltd. Address before: 315700 Xiangshan City, Ningbo province crane town small town village Patentee before: Hu Yusong |