CN205249219U - Signal reception circuit without construction of line - Google Patents
Signal reception circuit without construction of line Download PDFInfo
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- CN205249219U CN205249219U CN201521016814.0U CN201521016814U CN205249219U CN 205249219 U CN205249219 U CN 205249219U CN 201521016814 U CN201521016814 U CN 201521016814U CN 205249219 U CN205249219 U CN 205249219U
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Abstract
The utility model discloses a signal reception circuit without construction of line, including transformer W, chip IC2, diode D5 and triode V1, electric capacity C1 is connected to transformer W's winding N1's one end, and the 220V power line is connected to electric capacity C1's the other end, and electric capacity C2 is connected to transformer W's winding N1's the other end, and the other end of 220V power line, transformer W's winding N2's one end connecting resistance R1 is connected to electric capacity C2's the other end. The utility model discloses signal reception circuit without construction of line simple structure, components and parts are few, utilize power line carrier as the signal transmission bridge, need not the construction of line, and the frequency receiving circuit that uses two phase -locked loop chips to form two differences handles the signal by power line transmission, have increased the stability of signal, have LED instruction function simultaneously, so this circuit has with low costs, stable performance and convenient to use's advantage.
Description
Technical field
The utility model relates to a kind of signal receiving circuit, specifically a kind of signal receiving circuit without the construction of line.
Background technology
In daily life, can run into a lot of situations and need signal transmission, traditional mode is to set up signal transmission line, utilize common cable or optical fiber to carry out the transmission of signal, but for the information transmission of long distance, will expend a large amount of cables, and use power line carrier, PLC to address this problem, power carrier is the distinctive communication mode of power system, power carrier communication refers to and utilizes existing power line, by carrier system, analog or digital signal carried out to the technology of high-speed transfer. Maximum feature is not need again to set up network, as long as live wire just can carry out data transmission, therefore can greatly saving resource, but the at present conventional most complex structure of power carrier signal receiving circuit, signal accuracy are low, and result of use is undesirable, therefore needs to be improved.
Utility model content
The purpose of this utility model is to provide a kind of signal receiving circuit without the construction of line, to solve the problem proposing in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of signal receiving circuit without the construction of line, comprise transformer W, chip IC 2, diode D5 and triode V1, one end of the winding N1 of described transformer W connects capacitor C 1, the other end of capacitor C 1 connects 220V power line, the other end of the winding N1 of transformer W connects capacitor C 2, the other end of capacitor C 2 connects the other end of 220V power line, one end contact resistance R1 of the winding N2 of transformer W, the other end of resistance R 1 connects the anode of diode D1, the negative electrode of diode D3 and capacitor C 3, the negative electrode of diode D1 connects the anode of diode D2, the negative electrode of diode D2 connects the other end the ground connection of the anode of diode D4 and the winding N2 of transformer W, the other end of capacitor C 3 connects the pin 3 of chip IC1, the pin 5 contact resistance R2 of chip IC 1, the other end of resistance R 2 connects the pin 6 of capacitor C 4 and chip IC 1, the other end of capacitor C 4 connects capacitor C 5, pin 7 ground connection of capacitor C 6 and chip IC 1, the pin 4 contact resistance R3 of chip IC 1, the anode of diode D5, the emitter stage of triode V2 and power supply VCC ground connection, the other end contact resistance R4 of resistance R 3, the pin 8 of resistance R 10 and chip IC 1, the pin 1 of chip IC 1 connects the other end of capacitor C 5, the pin 2 of chip IC 1 connects the other end of capacitor C 6, the other end of the pin 3 contact resistance R4 of chip IC 2, the pin 5 contact resistance R5 of chip IC 2, the other end of resistance R 5 connects the pin 6 of capacitor C 7 and chip IC 2, the other end of capacitor C 7 connects capacitor C 8, pin 7 ground connection of capacitor C 9 and chip IC 2, the negative electrode contact resistance R6 of diode D5, the other end of resistance R 6 connects the pin 8 of chip IC2, the pin 2 of chip IC 2 connects capacitor C 9, the base stage of the other end connecting triode V2 of resistance R 10, the colelctor electrode of triode V2 connects buzzer B, the other end ground connection of buzzer B, the model of chip IC 1 and chip IC 2 is NE567.
As preferred version of the present utility model: described diode D5 is light emitting diode.
As preferred version of the present utility model: described power supply VCC is 5V direct current.
Compared with prior art, the beneficial effects of the utility model are: the utility model signal receiving circuit is simple in structure, components and parts are few, utilize power carrier to transmit bridge as signal, without the construction of line, use two different frequency receiving circuits of two phase-locked loop chip compositions, to being processed by the signal of power line transmission, increased the stability of signal, have LED deixis, therefore this circuit has advantages of that cost is low, stable performance and easy to use simultaneously.
Brief description of the drawings
Fig. 1 is the circuit diagram without the signal receiving circuit of the construction of line.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment. Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of signal receiving circuit without the construction of line, comprise transformer W, chip IC 2, diode D5 and triode V1, one end of the winding N1 of described transformer W connects capacitor C 1, the other end of capacitor C 1 connects 220V power line, the other end of the winding N1 of transformer W connects capacitor C 2, the other end of capacitor C 2 connects the other end of 220V power line, one end contact resistance R1 of the winding N2 of transformer W, the other end of resistance R 1 connects the anode of diode D1, the negative electrode of diode D3 and capacitor C 3, the negative electrode of diode D1 connects the anode of diode D2, the negative electrode of diode D2 connects the other end the ground connection of the anode of diode D4 and the winding N2 of transformer W, the other end of capacitor C 3 connects the pin 3 of chip IC1, the pin 5 contact resistance R2 of chip IC 1, the other end of resistance R 2 connects the pin 6 of capacitor C 4 and chip IC 1, the other end of capacitor C 4 connects capacitor C 5, pin 7 ground connection of capacitor C 6 and chip IC 1, the pin 4 contact resistance R3 of chip IC 1, the anode of diode D5, the emitter stage of triode V2 and power supply VCC ground connection, the other end contact resistance R4 of resistance R 3, the pin 8 of resistance R 10 and chip IC 1, the pin 1 of chip IC 1 connects the other end of capacitor C 5, the pin 2 of chip IC 1 connects the other end of capacitor C 6, the other end of the pin 3 contact resistance R4 of chip IC 2, the pin 5 contact resistance R5 of chip IC 2, the other end of resistance R 5 connects the pin 6 of capacitor C 7 and chip IC 2, the other end of capacitor C 7 connects capacitor C 8, pin 7 ground connection of capacitor C 9 and chip IC 2, the negative electrode contact resistance R6 of diode D5, the other end of resistance R 6 connects the pin 8 of chip IC2, the pin 2 of chip IC 2 connects capacitor C 9, the base stage of the other end connecting triode V2 of resistance R 10, the colelctor electrode of triode V2 connects buzzer B, the other end ground connection of buzzer B, the model of chip IC 1 and chip IC 2 is NE567.
Diode D5 is light emitting diode. Power supply VCC is 5V direct current.
Operation principle of the present utility model is: circuit is made up of multiple frequency identification circuits. In the time having the high frequency modulated pulse of warning to occur on power circuit, signal is sent into 3 pin of first frequency phase lock ring module chip IC1 by the transformation of step-up transformer W and the amplitude limit of current-limiting resistance R1 and diode D1 ~ D4, then the frequency identification circuit (R2, C4) being made up of this frequency phase lock ring determines identification frequency values. Then just can connect and recall the Frequency that frequency is F1 at output 8 pin of IC1. The drive circuit of V2 composition is delivered to drive buzzer B to work to produce audible alarm in this output frequency one road; Second frequency identification circuit being made up of chip IC 2 and peripheral cell thereof delivered on another road. In like manner, adjust the numerical value of R5, C7, make second frequency demodulation circuit can connect the frequency that recalls F1, (IC2) output 8 pin are by high level, and alert appears in the luminous orientation of expressing this radiating circuit of diode D5. Having realized the remote signal that does not need the construction of line and complete receives.
Claims (3)
1. the signal receiving circuit without the construction of line, comprise transformer W, chip IC 2, diode D5 and triode V1, it is characterized in that, one end of the winding N1 of described transformer W connects capacitor C 1, the other end of capacitor C 1 connects 220V power line, the other end of the winding N1 of transformer W connects capacitor C 2, the other end of capacitor C 2 connects the other end of 220V power line, one end contact resistance R1 of the winding N2 of transformer W, the other end of resistance R 1 connects the anode of diode D1, the negative electrode of diode D3 and capacitor C 3, the negative electrode of diode D1 connects the anode of diode D2, the negative electrode of diode D2 connects the other end the ground connection of the anode of diode D4 and the winding N2 of transformer W, the other end of capacitor C 3 connects the pin 3 of chip IC1, the pin 5 contact resistance R2 of chip IC 1, the other end of resistance R 2 connects the pin 6 of capacitor C 4 and chip IC 1, the other end of capacitor C 4 connects capacitor C 5, pin 7 ground connection of capacitor C 6 and chip IC 1, the pin 4 contact resistance R3 of chip IC 1, the anode of diode D5, the emitter stage of triode V2 and power supply VCC ground connection, the other end contact resistance R4 of resistance R 3, the pin 8 of resistance R 10 and chip IC 1, the pin 1 of chip IC 1 connects the other end of capacitor C 5, the pin 2 of chip IC 1 connects the other end of capacitor C 6, the other end of the pin 3 contact resistance R4 of chip IC 2, the pin 5 contact resistance R5 of chip IC 2, the other end of resistance R 5 connects the pin 6 of capacitor C 7 and chip IC 2, the other end of capacitor C 7 connects capacitor C 8, pin 7 ground connection of capacitor C 9 and chip IC 2, the negative electrode contact resistance R6 of diode D5, the other end of resistance R 6 connects the pin 8 of chip IC2, the pin 2 of chip IC 2 connects capacitor C 9, the base stage of the other end connecting triode V2 of resistance R 10, the colelctor electrode of triode V2 connects buzzer B, the other end ground connection of buzzer B, the model of chip IC 1 and chip IC 2 is NE567.
2. according to a kind of signal receiving circuit without the construction of line claimed in claim 1, it is characterized in that, described diode D5 is light emitting diode.
3. according to a kind of signal receiving circuit without the construction of line claimed in claim 1, it is characterized in that, described power supply VCC is 5V direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521016814.0U CN205249219U (en) | 2015-12-09 | 2015-12-09 | Signal reception circuit without construction of line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521016814.0U CN205249219U (en) | 2015-12-09 | 2015-12-09 | Signal reception circuit without construction of line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205249219U true CN205249219U (en) | 2016-05-18 |
Family
ID=55948287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521016814.0U Expired - Fee Related CN205249219U (en) | 2015-12-09 | 2015-12-09 | Signal reception circuit without construction of line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205249219U (en) |
-
2015
- 2015-12-09 CN CN201521016814.0U patent/CN205249219U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20161209 |