CN205249220U

CN205249220U - Power line carrier signals transmitting circuit

Info

Publication number: CN205249220U
Application number: CN201521016935.5U
Authority: CN
Inventors: 陈军海
Original assignee: Shanghai Qian Shan Communication Electronics Co Ltd
Current assignee: Shanghai Qian Shan Communication Electronics Co Ltd
Priority date: 2015-12-09
Filing date: 2015-12-09
Publication date: 2016-05-18
Anticipated expiration: 2025-12-09

Abstract

The utility model discloses a power line carrier signals transmitting circuit, including electric capacity C1, chip IC1, electric capacity C5 and transformer W, chip IC1's pin 8, chip IC2's pin 4, chip IC2's pin 8, sensor P and transformer W's winding N1, sensor P's other end connecting resistance R2 and chip IC1's pin 7, resistance R2's other end connection electric capacity C1, chip IC1's pin 2 and chip IC1's pin 6 are connected to chip IC1's pin 4. The utility model discloses power line carrier signals transmitting circuit simple structure, components and parts are few, utilize power line carrier as the signal transmission bridge, use two 555 time -base circuit to constitute the oscillation circuit of two different frequencies, handle triggering signal, have increased the stability of signal, have LED instruction function simultaneously, therefore this circuit has with low costs, stable performance and convenient to use's advantage.

Description

A kind of power carrier signal radiating circuit

Technical field

The utility model relates to a kind of signal transmission circuit, specifically a kind of power carrier signal radiating circuit.

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, the at present conventional most complex structure of power carrier signal radiating 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 power carrier signal radiating circuit, 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 power carrier signal radiating circuit, comprise capacitor C 1, chip IC 1, capacitor C 5 and transformer W, the pin 4 of described chip IC 1 connects the pin 8 of chip IC1, the pin 4 of chip IC 2, the pin 8 of chip IC 2, the winding N1 of sensor P and transformer W, the other end contact resistance R2 of sensor P and the pin 7 of chip IC 1, the other end of resistance R 2 connects capacitor C 1, the pin 2 of chip IC 1 and the pin 6 of chip IC 1, the other end of capacitor C 1 connects capacitor C 2, capacitor C 3, capacitor C 4, the pin 1 of chip IC 1, the pin 1 of chip IC 2 and the emitter stage of triode V1, the pin 5 of chip IC 1 connects the other end of capacitor C 2, the pin 3 contact resistance R3 of chip IC 1, the other end contact resistance R4 of resistance R 3 and the pin 7 of chip IC 2, the pin 2 of chip IC 2 connects the other end of capacitor C 3, the pin 6 of the other end of resistance R 4 and chip IC 2, the pin 3 contact resistance R5 of chip IC 2, the base stage of the other end connecting triode V1 of resistance R 5, the colelctor electrode of triode V1 connects the negative electrode of diode D1, the other end of the winding N1 of the anodic bonding transformer W of diode D1, one end of the winding N2 of transformer W connects capacitor C 5, the other end of capacitor C 5 connects 220V power line, the other end of the winding N2 of transformer W connects capacitor C 6, the other end of capacitor C 6 connects the other end of 220V power line, the model of described chip IC 1 and chip IC 2 is NE555.

As preferred version of the present utility model: described diode D1 is light emitting diode.

Compared with prior art, the beneficial effects of the utility model are: the utility model power carrier signal radiating circuit is simple in structure, components and parts are few, utilize power carrier to transmit bridge as signal, use the oscillating circuit of two different frequencies of two 555 time base circuit compositions, triggering signal is processed, increased the stability of signal, had LED deixis simultaneously, therefore this circuit has advantages of that cost is low, stable performance and easy to use.

Brief description of the drawings

Fig. 1 is the circuit diagram of power carrier signal radiating circuit.

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 power carrier signal radiating circuit, comprise capacitor C 1, resistance R 1, chip IC 1 and rectifier bridge T, one end contact resistance R1 and the resistance R 2 of described capacitor C 1, the other end of the other end contact resistance R2 of capacitor C 1, port 2 with rectifier bridge T, the other end contact resistance R5 of resistance R 1 and 220V alternating current, the port one of rectifier bridge T connects the negative electrode of diode D1, resistance R 3, capacitor C 2, resistance R 4, the pin 16 of chip IC 1, the anode of diode L1, the anode of the anode of diode L2 and diode L3, the other end of the anodic bonding resistance R 3 of diode D1 and the other end the ground connection of capacitor C 2, the other end of the pin 11 contact resistance R4 of chip IC 1, the anode of diode D2, the anode of the anode of diode D3 and diode D4, the other end contact resistance R6 of resistance R 5 and resistance R 7, the other end of resistance R 6 connects the pin 10 of chip IC1, the other end of resistance R 7 connects pin 8 ground connection of chip IC1, the pin 12 of chip IC 1 connects negative electrode and the resistance R 10 of diode D4, the pin 14 of chip IC 1 connects negative electrode and the resistance R 9 of diode D3, the pin 15 of chip IC 1 connects negative electrode and the resistance R 8 of diode D2, the model of described chip IC 1 is CD4040.

Diode L1 red light-emitting diode, diode L2 are that green light LED and diode L3 are blue light-emitting diode.

Operation principle of the present utility model is: the oscillating circuit of two different frequencies of two 555 time base circuit compositions in circuit. In the time of K two terminal shortcircuit, first 555 chip and peripheral cell thereof form low-frequency oscillatory network, and frequency F1 is mainly determined by C1, R2, the low frequency signal that its 3 pin output frequency is F1. In the time of the 3 pin output high level of IC1, the high-frequency oscillating circuits work that second 555 chip and peripheral cell thereof form, its frequency of oscillation F2 is mainly determined by C3, R4, and F2 is much larger than F1, is output as like this pulse-modulated signal of F2 at 3 pin of IC2. This modulation signal produces high frequency modulated pulse by the drive circuit being made up of V1, W, C5, C6 on power line, in other positions of power line, receiving system is installed, and can receive accurately the signal of this circuit transmitting, reaches the object of telecommunication.

Claims

1. a power carrier signal radiating circuit, comprise capacitor C 1, chip IC 1, capacitor C 5 and transformer W, it is characterized in that, the pin 4 of described chip IC 1 connects the pin 8 of chip IC1, the pin 4 of chip IC 2, the pin 8 of chip IC 2, the winding N1 of sensor P and transformer W, the other end contact resistance R2 of sensor P and the pin 7 of chip IC 1, the other end of resistance R 2 connects capacitor C 1, the pin 2 of chip IC 1 and the pin 6 of chip IC 1, the other end of capacitor C 1 connects capacitor C 2, capacitor C 3, capacitor C 4, the pin 1 of chip IC 1, the pin 1 of chip IC 2 and the emitter stage of triode V1, the pin 5 of chip IC 1 connects the other end of capacitor C 2, the pin 3 contact resistance R3 of chip IC 1, the other end contact resistance R4 of resistance R 3 and the pin 7 of chip IC 2, the pin 2 of chip IC 2 connects the other end of capacitor C 3, the pin 6 of the other end of resistance R 4 and chip IC 2, the pin 3 contact resistance R5 of chip IC 2, the base stage of the other end connecting triode V1 of resistance R 5, the colelctor electrode of triode V1 connects the negative electrode of diode D1, the other end of the winding N1 of the anodic bonding transformer W of diode D1, one end of the winding N2 of transformer W connects capacitor C 5, the other end of capacitor C 5 connects 220V power line, the other end of the winding N2 of transformer W connects capacitor C 6, the other end of capacitor C 6 connects the other end of 220V power line, the model of described chip IC 1 and chip IC 2 is NE555.

2. according to a kind of power carrier signal radiating circuit claimed in claim 1, it is characterized in that, described diode D1 is light emitting diode.