CN212518973U - Cross-signal-source carrier transmission circuit - Google Patents
Cross-signal-source carrier transmission circuit Download PDFInfo
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- CN212518973U CN212518973U CN202021829038.7U CN202021829038U CN212518973U CN 212518973 U CN212518973 U CN 212518973U CN 202021829038 U CN202021829038 U CN 202021829038U CN 212518973 U CN212518973 U CN 212518973U
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Abstract
The utility model discloses a cross-signal source carrier transmission circuit, this circuit comprises two parts, and introduced supply voltage VCC1 respectively, supply voltage VCC2, the circuit at place has electric capacity C3 and electric capacity C4 in parallel, every partial circuit all includes the buffer circuit, signal coupling on-off control circuit, the buffer circuit plays the signal isolation, the effect of safety isolation, signal coupling on-off control circuit control signal is synchronous and signal attenuation, signal coupling on-off control circuit divide into four, respectively to A looks, B looks, C looks and N looks in the circuit, above-mentioned setting can become the minisignal with high level signal coupling, signal source part can be synchronous with the commercial power with voltage output, make carrier module part receive the carrier signal the same with the power line, simultaneously through increasing coupling coil, reduce because asynchronous lead to the wrong wiring of both ends phase position, the danger of taking place, therefore, the cross-signal source carrier circuit can be used for reading the meter by aiming at different carrier waves in the distribution area.
Description
Technical Field
The utility model relates to a cross signal source carrier transmission circuit.
Background
At present, the existing carrier transmission scheme is a mode of modulating a signal into a high-frequency carrier for communication by using a power line as a transmission medium, and is generally divided into the following technologies, 1, a carrier communication technology based on FSK; 2. a PSK-based power line carrier communication technology; 3. the power line carrier communication technology based on OFDM is adopted; 4. carrier routing techniques. The multiple types have a great characteristic that a targeted user group is carrier communication in the same cell, and in an actual field, cross-cell carrier communication can cause faults such as subscriber crosstalk, meter file errors and the like, so that a cross-signal source is not used in a cross-cell carrier transmission technology. In recent years, simulation devices for skill training of basic level operation and maintenance personnel appear, the simulation devices are widely used in the market, cross-signal source carrier communication is needed for technical reasons, and therefore a cross-signal source carrier transmission scheme is developed and used, however, an existing carrier circuit only aims at carrier meter reading in the same transformer area, and a cross-signal source is not a good solution for the cross-transformer area.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a portable high-level signal coupler which is convenient to use and simple to operate, and can couple a high-level signal into a small signal, and a signal source part can synchronize voltage output with commercial power, so that a carrier module part receives a carrier signal which is the same as a power line; meanwhile, by adding the coupling coil, the danger caused by wrong wiring due to the asynchronous phases at the two ends is reduced, so that the cross-signal source carrier transmission circuit can be used for reading the meter by aiming at the carrier waves of different transformer areas, and has practicability and wide application.
In order to solve the above problem, the utility model adopts the following technical scheme:
a carrier transmission circuit across signal sources is composed of two parts, a power supply voltage VCC1 and a power supply voltage VCC2 are respectively introduced, a circuit where the power supply voltage VCC1 is located is connected with a capacitor C1 and a capacitor C2 in parallel, a circuit where the power supply voltage VCC2 is located is connected with a capacitor C3 and a capacitor C4 in parallel, each part of circuit comprises an isolation circuit and a signal coupling on-off control circuit, the isolation circuit plays the roles of signal isolation and safety isolation, the signal coupling on-off control circuit controls signal synchronization and signal attenuation, the signal coupling on-off control circuit is divided into four blocks which respectively aim at an A phase, a B phase, a C phase and an N phase in the circuit, the isolation circuit comprises a first isolation circuit, a second isolation circuit, a third isolation circuit, a fourth isolation circuit, a fifth isolation circuit, a sixth isolation circuit, a seventh isolation circuit and an eighth isolation circuit, the first isolation circuit and the second isolation circuit aim at the A phase in the circuit, the third isolating circuit and the fourth isolating circuit aim at the B phase in the circuit, the fifth isolating circuit and the sixth isolating circuit aim at the C phase in the circuit, and the seventh isolating circuit and the eighth isolating circuit aim at the N phase in the circuit.
Preferably, the first isolation circuit, the third isolation circuit, the fifth isolation circuit and the seventh isolation circuit are connected in parallel to a power circuit where the VCC1 is located, and the second isolation circuit, the fourth isolation circuit, the sixth isolation circuit and the eighth isolation circuit are connected in parallel to a power circuit where the VCC2 is located.
Preferably, the first isolation circuit comprises a diode D1 and a relay JK1, the diode D1 is connected in parallel with the relay JK1, the second isolation circuit comprises a diode D2 and a relay JK2, the diode D2 is connected in parallel with the relay JK2, the third isolation circuit comprises a diode D3 and a relay JK3, the diode D3 is connected in parallel with the relay JK3, the fourth isolation circuit comprises a diode D4 and a relay JK4, the diode D4 is connected in parallel with the relay JK4, the fifth isolation circuit comprises a diode D5, relay JK5, diode D5 and relay JK5 parallel connection, isolation circuit six is including diode D6, relay JK6, diode D6 and relay JK6 parallel connection, isolation circuit seven is including diode D7, relay JK7, diode D7 and relay JK7 parallel connection, isolation circuit eight is including diode D8, relay JK8, diode D8 and relay JK8 parallel connection.
Preferably, the relay JK1, the relay JK2, the relay JK3, the relay JK4, the relay JK5, the relay JK6, the relay JK7 and the relay JK8 are all provided with four pins 1, 2, 3 and 4.
Preferably, the signal coupling on-off control circuit comprises a first signal coupling on-off control circuit, a second signal coupling on-off control circuit, a third signal coupling on-off control circuit, a fourth signal coupling on-off control circuit, a fifth signal coupling on-off control circuit and a sixth signal coupling on-off control circuit, the first signal coupling on-off control circuit comprises a coupling coil T1, one coil of the coupling coil is connected with a pin 3 of the first relay after being connected with a capacitor C5 in series, one end of the other coil is connected with a capacitor C6 in series, the second signal coupling on-off control circuit comprises a coupling coil T2, one coil of the coupling coil is connected with a pin 3 of the second relay after being connected with a capacitor C8 in series, one end of the other coil is connected with a capacitor C7 in series, and the capacitor C6 is connected with.
Preferably, the third signal coupling on-off control circuit comprises a coupling coil T3, one coil of the coupling coil is connected in series with a capacitor C9 and then connected with the pin 3 of the third relay, one end of the other coil is connected in series with a capacitor C10, the fourth signal coupling on-off control circuit comprises a coupling coil T4, one coil of the coupling coil is connected in series with a capacitor C12 and then connected with the pin 3 of the fourth relay, one end of the other coil is connected in series with a capacitor C11, and the capacitor C10 is connected with a capacitor C11.
Preferably, the signal coupling on-off control circuit five comprises a coupling coil T5, one coil of the coupling coil is connected with the pin 3 of the relay five after being connected with the capacitor C13 in series, one end of the other coil is connected with the capacitor C14 in series, the signal coupling on-off control circuit six comprises a coupling coil T6, one coil of the coupling coil is connected with the capacitor C16 in series and then connected with the pin 3 of the relay six, one end of the other coil is connected with the capacitor C15 in series, and the capacitor C15 is connected with the capacitor C16.
Preferably, the other end of the capacitor C5 series coil is connected in parallel with the other end of the capacitor C9 series coil and the other end of the capacitor C13 series coil, the other end of the capacitor C8 series coil is connected in parallel with the other end of the capacitor C12 series coil and the other end of the capacitor C16 series coil, the other end of the capacitor C6 series coil is connected in parallel with the other end of the capacitor C10 series coil and the other end of the capacitor C14 series coil, and the other end of the capacitor C7 series coil is connected in parallel with the other end of the capacitor C11 series coil and the other end of the capacitor C15 series coil.
The utility model has the advantages that: the high-level signal can be coupled into a small signal, and the signal source part can synchronize voltage output with commercial power, so that the carrier module part receives a carrier signal which is the same as a power line; meanwhile, by adding the coupling coil, the danger caused by wrong wiring due to the asynchronous phases at the two ends is reduced, so that the cross-signal source carrier circuit can be used for reading the meter by aiming at the carrier waves of different transformer areas, and the practicability and the application universality are realized.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the scope of the present invention is not limited thereto.
Fig. 1 is a schematic diagram of the circuit principle of the present invention;
the circuit comprises a first coupling on-off control circuit, a second signal coupling on-off control circuit, a third signal coupling on-off control circuit, a fourth signal coupling on-off control circuit, a fifth signal coupling on-off control circuit, a sixth signal coupling on-off control circuit, a 7 isolating circuit, a 8 isolating circuit, a 9 isolating circuit, a third isolating circuit, a 10 isolating circuit, a fourth isolating circuit, a fifth isolating circuit, a 12 isolating circuit, a sixth isolating circuit, a seventh isolating circuit and an eighth isolating circuit, wherein the first isolating circuit is coupled with the second isolating circuit, the second isolating circuit is coupled with the third signal coupling on-off control circuit, the third isolating circuit is coupled with.
Detailed Description
Referring to fig. 1, the circuit is composed of two parts, a power supply voltage VCC1 and a power supply voltage VCC2 are respectively introduced, a circuit where the power supply voltage VCC1 is located is connected in parallel with a capacitor C1 and a capacitor C2, a circuit where the power supply voltage VCC2 is located is connected in parallel with a capacitor C3 and a capacitor C4, each part of the circuit includes an isolation circuit and a signal coupling on-off control circuit, the isolation circuit plays roles of signal isolation and safety isolation, the signal coupling on-off control circuit controls signal synchronization and signal attenuation, the signal coupling on-off control circuit is divided into four blocks, the isolation circuit includes an isolation circuit one 7, an isolation circuit two 8, an isolation circuit three 9, an isolation circuit four 0, an isolation circuit five 11, an isolation circuit six 12, an isolation circuit seven 13, an isolation circuit eight 14, an isolation circuit one 7, an isolation circuit two 8, an isolation circuit three 9, an isolation circuit five 11, an isolation circuit six 12, an isolation circuit seven 13, an isolation, The second isolation circuit 8 is for phase A in the circuit, the third isolation circuit 9 and the fourth isolation circuit 20 are for phase B in the circuit, the fifth isolation circuit 11 and the sixth isolation circuit 12 are for phase C in the circuit, and the seventh isolation circuit 13 and the eighth isolation circuit 14 are for phase N in the circuit.
Preferably, the first isolation circuit 7, the third isolation circuit 9, the fifth isolation circuit 11 and the seventh isolation circuit 13 are connected in parallel to a power supply circuit where the VCC1 is located, and the second isolation circuit 8, the fourth isolation circuit 10, the sixth isolation circuit 13 and the eighth isolation circuit 14 are connected in parallel to a power supply circuit where the VCC2 is located.
Preferably, the first isolation circuit 7 comprises a diode D1 and a relay JK1, the diode D1 is connected in parallel with the relay JK1, the second isolation circuit 8 comprises a diode D1 and a relay JK1, the diode D1 is connected in parallel with the relay JK1, the third isolation circuit 9 comprises a diode D1 and a relay JK1, the diode D1 is connected in parallel with the relay JK1, the fourth isolation circuit 10 comprises a diode D1 and a relay JK1, the diode D1 is connected in parallel with the relay JK1, the fifth isolation circuit 11 comprises a diode D1 and a relay JK1, the diode D1 is connected in parallel with the relay JK1, the sixth isolation circuit 12 comprises a diode D1 and a relay JK1, the diode D1 is connected in parallel with the relay JK1, the seventh isolation circuit 13 comprises a diode D1 and a relay JK1, the diode D1 and the relay JK1 are connected in parallel with the relay JK1, the diode D1 and the relay JK1, the relay JK1, the relay JK2, the relay JK3, the relay JK4, the relay JK5, the relay JK6, the relay JK7 and the relay JK8 are all provided with four pins 1, 2, 3 and 4.
Preferably, the signal coupling on-off control circuit comprises a signal coupling on-off control circuit I1, a signal coupling on-off control circuit II 2, a signal coupling on-off control circuit III 3, a signal coupling on-off control circuit IV 4, a signal coupling on-off control circuit V5 and a signal coupling on-off control circuit VI 6, wherein the signal coupling on-off control circuit I1 comprises a coupling coil T1, one coil of the coupling coil is connected with a pin 3 of a relay I after being connected with a capacitor C5 in series, one end of the other coil is connected with a capacitor C6 in series, the signal coupling on-off control circuit II 2 comprises a coupling coil T2, one coil of the coupling coil is connected with a pin 3 of the relay II after being connected with a capacitor C8 in series, one end of the other coil is connected with a capacitor C7 in series, and the capacitor C6 is connected; the third signal coupling on-off control circuit 3 comprises a coupling coil T3, one coil of the coupling coil is connected with a pin 3 of the third relay after being connected with a capacitor C9 in series, one end of the other coil is connected with a capacitor C10 in series, the fourth signal coupling on-off control circuit 4 comprises a coupling coil T4, one coil of the coupling coil is connected with a capacitor C12 in series and then is connected with a pin 3 of the fourth relay, one end of the other coil is connected with a capacitor C11 in series, and the capacitor C10 is connected with a capacitor C11.
Preferably, the signal coupling on-off control circuit five 5 comprises a coupling coil T5, one coil of the coupling coil is connected with the pin 3 of the relay five after being connected with the capacitor C13 in series, one end of the other coil is connected with the capacitor C14 in series, the signal coupling on-off control circuit six 6 comprises a coupling coil T6, one coil of the coupling coil is connected with the pin 3 of the relay six after being connected with the capacitor C16 in series, one end of the other coil is connected with the capacitor C15 in series, and the capacitor C15 is connected with the capacitor C16; the other end of electric capacity C5 series connection coil and the other end of electric capacity C9 series connection coil, the other end parallel connection of electric capacity C13 series connection coil, the other end of electric capacity C8 series connection coil and the other end of electric capacity C12 series connection coil, the other end parallel connection of electric capacity C16 series connection coil, the other end and the other end of electric capacity C10 series connection coil, the other end parallel connection of electric capacity C14 series connection coil of electric capacity C6 series connection coil, the other end and the other end of electric capacity C11 series connection coil of electric capacity C7 series connection coil, the other end parallel connection of electric capacity C15 series connection coil.
The utility model discloses an what electric capacity C5 and electric capacity C6 adopted is X2 type ann rule electric capacity, is used for signal coupling and signal attenuation respectively.
The circuit of the utility model has two parts which are symmetrically distributed.
The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (8)
1. A cross-signal source carrier transmission circuit, characterized by: the circuit consists of two parts, a power supply voltage VCC1 and a power supply voltage VCC2 are respectively introduced, a circuit where the power supply voltage VCC1 is located is connected in parallel with a capacitor C1 and a capacitor C2, a circuit where the power supply voltage VCC2 is located is connected in parallel with a capacitor C3 and a capacitor C4, each part of circuit comprises an isolation circuit and a signal coupling on-off control circuit, the isolation circuit has the functions of signal isolation and safety isolation, the signal coupling on-off control circuit controls signal synchronization and signal attenuation, the signal coupling on-off control circuit is divided into four blocks and respectively aims at an A phase, a B phase, a C phase and an N phase in the circuit, the isolation circuit comprises an isolation circuit I, an isolation circuit II, an isolation circuit III, an isolation circuit IV, an isolation circuit V, an isolation circuit VI, an isolation circuit VII and an isolation circuit VIII, the isolation circuit I and the isolation circuit II aim at the A phase in the circuit, the isolation circuit III isolation circuit IV aim at the B phase in, the isolation circuit five and the isolation circuit six are used for the C phase in the circuit, and the isolation circuit seven and the isolation circuit eight are used for the N phase in the circuit.
2. The cross-signal source carrier transmission circuit of claim 1, wherein: the isolation circuit I, the isolation circuit III, the isolation circuit V and the isolation circuit seven are connected in parallel to a power supply circuit where the VCC1 is located, and the isolation circuit II, the isolation circuit IV, the isolation circuit six and the isolation circuit eight are connected in parallel to a power supply circuit where the VCC2 is located.
3. The cross-signal source carrier transmission circuit of claim 2, wherein: the first isolation circuit comprises a diode D1 and a relay JK1, the diode D1 is connected with the relay JK1 in parallel, the second isolation circuit comprises a diode D2 and a relay JK2, the diode D2 is connected with the relay JK2 in parallel, the third isolation circuit comprises a diode D3 and a relay JK3, the diode D3 is connected with the relay JK3 in parallel, the fourth isolation circuit comprises a diode D4 and a relay JK4, the diode D4 is connected with the relay JK4 in parallel, the fifth isolation circuit comprises a diode D5, relay JK5, diode D5 and relay JK5 parallel connection, isolation circuit six is including diode D6, relay JK6, diode D6 and relay JK6 parallel connection, isolation circuit seven is including diode D7, relay JK7, diode D7 and relay JK7 parallel connection, isolation circuit eight is including diode D8, relay JK8, diode D8 and relay JK8 parallel connection.
4. The cross-signal source carrier transmission circuit of claim 3, wherein: the relay JK1, the relay JK2, the relay JK3, the relay JK4, the relay JK5, the relay JK6, the relay JK7 and the relay JK8 are all provided with four pins 1, 2, 3 and 4.
5. The cross-signal source carrier transmission circuit of claim 4, wherein: the signal coupling on-off control circuit comprises a signal coupling on-off control circuit I, a signal coupling on-off control circuit II, a signal coupling on-off control circuit III, a signal coupling on-off control circuit IV, a signal coupling on-off control circuit V and a signal coupling on-off control circuit VI, wherein the signal coupling on-off control circuit I comprises a coupling coil T1, one coil of the coupling coil is connected with a pin 3 of the relay I after being connected with a capacitor C5 in series, one end of the other coil is connected with a capacitor C6 in series, the signal coupling on-off control circuit II comprises a coupling coil T2, one coil of the coupling coil is connected with a pin 3 of the relay II after being connected with a capacitor C8 in series, one end of the other coil is connected with a capacitor C7 in series, and the capacitor C6 is.
6. The cross-signal source carrier transmission circuit of claim 5, wherein: the third signal coupling on-off control circuit comprises a coupling coil T3, one coil of the coupling coil is connected with a capacitor C9 in series and then connected with a pin 3 of the third relay, one end of the other coil is connected with a capacitor C10 in series, the fourth signal coupling on-off control circuit comprises a coupling coil T4, one coil of the coupling coil is connected with a capacitor C12 in series and then connected with a pin 3 of the fourth relay, one end of the other coil is connected with a capacitor C11 in series, and the capacitor C10 is connected with a capacitor C11.
7. The cross-signal source carrier transmission circuit of claim 6, wherein: the signal coupling on-off control circuit five comprises a coupling coil T5, one coil of the coupling coil is connected with a pin 3 of the relay five after being connected with a capacitor C13 in series, one end of the other coil is connected with a capacitor C14 in series, the signal coupling on-off control circuit six comprises a coupling coil T6, one coil of the coupling coil is connected with a capacitor C16 in series and then connected with a pin 3 of the relay six, one end of the other coil is connected with a capacitor C15 in series, and the capacitor C15 is connected with a capacitor C16.
8. The cross-signal source carrier transmission circuit of claim 7, wherein: the other end of electric capacity C5 series connection coil and the other end of electric capacity C9 series connection coil, the other end parallel connection of electric capacity C13 series connection coil, the other end of electric capacity C8 series connection coil and the other end of electric capacity C12 series connection coil, the other end parallel connection of electric capacity C16 series connection coil, the other end and the other end of electric capacity C10 series connection coil, the other end parallel connection of electric capacity C14 series connection coil of electric capacity C6 series connection coil, the other end and the other end of electric capacity C11 series connection coil of electric capacity C7 series connection coil, the other end parallel connection of electric capacity C15 series connection coil.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021829038.7U CN212518973U (en) | 2020-08-28 | 2020-08-28 | Cross-signal-source carrier transmission circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021829038.7U CN212518973U (en) | 2020-08-28 | 2020-08-28 | Cross-signal-source carrier transmission circuit |
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| CN212518973U true CN212518973U (en) | 2021-02-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111934720A (en) * | 2020-08-28 | 2020-11-13 | 杭州华罡智能科技有限公司 | Cross-signal-source carrier transmission circuit |
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2020
- 2020-08-28 CN CN202021829038.7U patent/CN212518973U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111934720A (en) * | 2020-08-28 | 2020-11-13 | 杭州华罡智能科技有限公司 | Cross-signal-source carrier transmission circuit |
| CN111934720B (en) * | 2020-08-28 | 2021-05-28 | 杭州华罡智能科技有限公司 | Cross-signal-source carrier transmission circuit |
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