CN205912038U - Intelligence house detection device's wireless signal transmission circuit based on thing networking - Google Patents
Intelligence house detection device's wireless signal transmission circuit based on thing networking Download PDFInfo
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- CN205912038U CN205912038U CN201620454528.0U CN201620454528U CN205912038U CN 205912038 U CN205912038 U CN 205912038U CN 201620454528 U CN201620454528 U CN 201620454528U CN 205912038 U CN205912038 U CN 205912038U
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Abstract
The utility model discloses an intelligence house detection device's wireless signal transmission circuit based on thing networking, the first inductance of reference level through establishing ties, the collecting electrode of second inductance and first ohmic connection to first triode, between the first electric capacity and second ohmic connection to first inductance and second inductance of base through the series connection of first triode, the second electric capacity of collecting electrode through establishing ties of first triode, third inductance and third ohmic connection to emit antenna, through the third capacity ground between second electric capacity and the third inductance, be connected to the base of second triode between third inductance and the third resistance, the projecting pole of second triode passes through the fourth capacity ground, the collecting electrode of second triode passes through the projecting pole of fourth ohmic connection to first triode, the projecting pole of first triode is connected to the collecting electrode of third triode. The utility model discloses the not enough of prior art can be improved, wireless communication's stability has been improved.
Description
Technical field
This utility model is related to internet of things field, especially a kind of smart home detection means based on Internet of Things
Wireless signal transmission circuit.
Background technology
Smart home is with house as platform, based on technology of Internet of things, using comprehensive wiring technology, network service skill
Art, Smart Home-system design scheme security precautions technology, automatic control technology, audio frequency and video technology are relevant by life staying idle at home
Facility is integrated, builds the management system of efficient housing facilities and family's schedule affairs, lifts house security, convenience, relaxes
Adaptive, artistry, and realize the living environment of environmental protection and energy saving.Wherein each controls the communication between components and parts to connect and relies primarily on
Wireless network is realized.The wireless network communication circuit anti-interference ability of prior art, easily occurs between communication element
Interfere.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of nothing of the smart home detection means based on Internet of Things
Line signal transmission circuit, can solve the problem that the deficiencies in the prior art, improves the stability of wireless telecommunications.
For solving above-mentioned technical problem, technical solution adopted in the utility model is as follows.
A kind of wireless signal transmission circuit of the smart home detection means based on Internet of Things, datum passes through series connection
First inductance, the second inductance and first resistor connect to the colelctor electrode of the first audion, and the base stage of the first audion passes through series connection
The first electric capacity and second resistance connect between the first inductance and the second inductance, the colelctor electrode of the first audion passes through series connection
Second electric capacity, the 3rd inductance and 3rd resistor connect to transmitting antenna, pass through the 3rd electric capacity between the second electric capacity and the 3rd inductance
Ground connection, connects to the base stage of the second audion between the 3rd inductance and 3rd resistor, and the emitter stage of the second audion passes through the 4th
Capacity earth, the colelctor electrode of the second audion is connected to the emitter stage of the first audion by the 4th resistance, the first audion
Emitter stage connects to the colelctor electrode of the 3rd audion, and the emitter stage of the 3rd audion passes through the 5th resistance eutral grounding, and datum leads to
Cross the 6th resistance to connect to the normal phase input end of the first amplifier, signal input part to the first amplifier is just connected by the 7th resistance
Phase input, the inverting input of the first amplifier passes through the 8th resistance eutral grounding, and the inverting input of the first amplifier passes through the 9th electricity
Resistance connects to the outfan of the first amplifier, and the outfan of the first amplifier is connected to the base stage of the 3rd audion by the tenth resistance.
Using having the beneficial effects that technique scheme is brought: this utility model uses the first audion and the three or three
Pole pipe forms signal amplification circuit, provides transmission signal to transmitting antenna.Signal between transmitting antenna and datum filters
Circuit effectively can be filtered to the noise signal in transmission signal.First amplifier according to the change of signal input, to the 3rd
The amplification coefficient of audion is controlled the stable transmitting it is achieved that wireless signal.Second audion can be launched according to antenna
Virtual voltage feedback regulation is carried out to output voltage.
Brief description
Fig. 1 is the circuit diagram of one specific embodiment of this utility model.
In figure: a1, the first amplifier；R1, first resistor；R2, second resistance；R3,3rd resistor；R4, the 4th resistance；r5、
5th resistance；R6, the 6th resistance；R7, the 7th resistance；R8, the 8th resistance；R9, the 9th resistance；R10, the tenth resistance；C1, first
Electric capacity；C2, the second electric capacity；C3, the 3rd electric capacity；C4, the 4th electric capacity；L1, the first inductance；L2 second inductance；L3, the 3rd inductance；
Ant, transmitting antenna；In, signal input part；Vcc, datum；Q1, the first audion；Q2, the second audion；Q3, the three or three
Pole pipe.
Specific embodiment
With reference to Fig. 1, the datum vcc of one specific embodiment of this utility model pass through the first inductance l1 of series connection,
Second inductance l2 and first resistor r1 connect to the colelctor electrode of the first audion q1, and the base stage of the first audion q1 passes through series connection
First electric capacity c1 and second resistance r2 connect between the first inductance l1 and the second inductance l2, and the colelctor electrode of the first audion q1 leads to
Cross the second electric capacity c2, the 3rd inductance l3 of series connection and 3rd resistor r3 connects to transmitting antenna ant, the second electric capacity c2 and the 3rd electricity
By the 3rd electric capacity c3 ground connection between sense l3, connect between the 3rd inductance l3 and 3rd resistor r3 to the base of the second audion q2
Pole, the emitter stage of the second audion q2 passes through the 4th electric capacity c4 ground connection, and the colelctor electrode of the second audion q2 passes through the 4th resistance r4
Connect to the emitter stage of the first audion q1, the emitter stage of the first audion q1 connects to the colelctor electrode of the 3rd audion q3, the
The emitter stage of three audion q3 passes through the 5th resistance r5 ground connection, and datum vcc is connected to the first amplifier by the 6th resistance r6
The normal phase input end of a1, signal input part in is connected to the normal phase input end of the first amplifier a1 by the 7th resistance r7, the first fortune
The inverting input putting a1 passes through the 8th resistance r8 ground connection, the inverting input of the first amplifier a1 by the 9th resistance r9 connect to
The outfan of the first amplifier a1, the outfan of the first amplifier a1 is connected to the base stage of the 3rd audion q3 by the tenth resistance r10.
Wherein, first resistor r1 is 105k ω, and second resistance r2 is 50k ω, and 3rd resistor r3 is 55k ω, the 4th resistance
R4 is 20k ω, and the 5th resistance r5 is 100k ω, and the 6th resistance r6 is 60k ω, and the 7th resistance r7 is 30k ω, and the 8th resistance r8 is
120k ω, the 9th resistance r9 are 40k ω, and the tenth resistance r10 is 70k ω.First electric capacity c1 is 150 μ f, and the second electric capacity c2 is 230
μ f, the 3rd electric capacity c3 are 550 μ f, and the 4th electric capacity c4 is 370 μ f.First inductance l1 is 0.13mh, and the second inductance l2 is 0.2mh,
3rd inductance l3 is 0.05mh.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have been shown and described above.One's own profession
The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model is also
Have various changes and modifications, these changes and improvements both fall within the range of claimed this utility model.This utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (1)
1. a kind of wireless signal transmission circuit of the smart home detection means based on Internet of Things it is characterised in that: datum
(vcc) the first inductance (l1), the second inductance (l2) and the first resistor (r1) of passing through series connection connect to the first audion (q1)
Colelctor electrode, the base stage of the first audion (q1) passes through first electric capacity (c1) of series connection and second resistance (r2) connects to the first inductance
(l1), between and the second inductance (l2), the colelctor electrode of the first audion (q1) passes through second electric capacity (c2) of series connection, the 3rd inductance
(l3) connect to transmitting antenna (ant) with 3rd resistor (r3), between the second electric capacity (c2) and the 3rd inductance (l3), pass through the 3rd
Electric capacity (c3) is grounded, and connects to the base stage of the second audion (q2), the two or three between the 3rd inductance (l3) and 3rd resistor (r3)
The emitter stage of pole pipe (q2) passes through the 4th electric capacity (c4) ground connection, and the colelctor electrode of the second audion (q2) passes through the 4th resistance (r4) even
It is connected to the emitter stage of the first audion (q1), the emitter stage of the first audion (q1) connects to the current collection of the 3rd audion (q3)
Pole, the emitter stage of the 3rd audion (q3) passes through the 5th resistance (r5) ground connection, and datum (vcc) passes through the 6th resistance (r6) even
It is connected to the normal phase input end of the first amplifier (a1), signal input part (in) is connected to the first amplifier (a1) by the 7th resistance (r7)
Normal phase input end, the inverting input of the first amplifier (a1) passes through the 8th resistance (r8) ground connection, the first amplifier (a1) anti-phase
Input is connected to the outfan of the first amplifier (a1) by the 9th resistance (r9), and the outfan of the first amplifier (a1) passes through the tenth
Resistance (r10) connects to the base stage of the 3rd audion (q3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620454528.0U CN205912038U (en) | 2016-05-19 | 2016-05-19 | Intelligence house detection device's wireless signal transmission circuit based on thing networking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620454528.0U CN205912038U (en) | 2016-05-19 | 2016-05-19 | Intelligence house detection device's wireless signal transmission circuit based on thing networking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205912038U true CN205912038U (en) | 2017-01-25 |
Family
ID=57815353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620454528.0U Expired - Fee Related CN205912038U (en) | 2016-05-19 | 2016-05-19 | Intelligence house detection device's wireless signal transmission circuit based on thing networking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205912038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039981A (en) * | 2017-11-03 | 2018-05-15 | 黄河科技学院 | The Internet of Things signal frequency detection circuit of internet of things home appliance |
-
2016
- 2016-05-19 CN CN201620454528.0U patent/CN205912038U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039981A (en) * | 2017-11-03 | 2018-05-15 | 黄河科技学院 | The Internet of Things signal frequency detection circuit of internet of things home appliance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 Termination date: 20180519 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |