CN219611807U - Collinear circuit of power line and communication line - Google Patents
Collinear circuit of power line and communication line Download PDFInfo
- Publication number
- CN219611807U CN219611807U CN202320280730.6U CN202320280730U CN219611807U CN 219611807 U CN219611807 U CN 219611807U CN 202320280730 U CN202320280730 U CN 202320280730U CN 219611807 U CN219611807 U CN 219611807U
- Authority
- CN
- China
- Prior art keywords
- resistor
- electrically connected
- slave
- host
- chip microcomputer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The utility model discloses a collinear circuit of a power line and a communication line, which comprises a master machine and a slave machine, wherein the master machine is electrically connected with the slave machine; the power supply is characterized in that a single chip microcomputer U is arranged in the host, the P0 end of the single chip microcomputer U is electrically connected with one ends of resistors R1 and R2 respectively, the other end of the resistor R2 is connected with a NPN triode II, one end of the NPN triode II is electrically connected with a resistor R3 and a PNP triode, the single chip microcomputer U is arranged in the host, and the single chip microcomputer U is electrically connected with an energy storage capacitor and a switch diode. The circuit realizes the transmission of power supply and communication signals between a host and a slave through a cable, and the host realizes data transmission through a switch circuit consisting of a resistor R7, a resistor R8 and a switch tube Q3. The master receives communication data fed back by the slave through a voltage dividing circuit formed by the resistor R5 and the resistor R6. The slave receives communication data sent by the host through a voltage dividing circuit consisting of a resistor R10 and a resistor R11.
Description
Technical Field
The utility model relates to a circuit, in particular to a collinear circuit of a power line and a communication line.
Background
The conventional power supply line and communication line are two lines which are separated separately, so that the design causes more complicated circuits, influences the reliability of the system and also increases the cost correspondingly. Accordingly, one skilled in the art would provide a power line and communication line colinear circuit to solve the problems set forth in the background above.
Disclosure of Invention
The present utility model is directed to a power line and communication line collinear circuit for solving the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a power line and communication line colinear circuit comprises a master machine and a slave machine, wherein the master machine is electrically connected with the slave machine;
the host is internally provided with a singlechip U, the singlechip U is electrically connected with a power supply, the P0 end of the singlechip U is respectively electrically connected with one ends of resistors R1 and R2, the other end of the resistor R1 is grounded, the other end of the resistor R2 is connected with a NPN type triode II, one end of the NPN type triode II is electrically connected with a resistor R3 and a PNP type triode, and one ends of the resistor R3 and the PNP type triode are both connected with the power supply; the other end of the PNP triode is connected with a resistor R4.
As a further scheme of the utility model: the P1 end of the singlechip U is electrically connected with the resistors R5 and R6, and the other end of the resistor R6 is grounded; the P2 end of the singlechip U is respectively and electrically connected with the resistors R7 and R8; one end of the resistor R7 is grounded, and the other end of the resistor R8 is connected with the NPN triode I, and the NPN triode I is grounded.
As still further aspects of the utility model: the host is internally provided with a singlechip U, the other end of the singlechip U is grounded, the other end of the energy storage capacitor is connected with a resistor R9, and the P0 end of the singlechip U is electrically connected with resistors R10 and R11.
As still further aspects of the utility model: the P1 end of the singlechip U is electrically connected with a resistor R12, the resistor R12 is electrically connected with a resistor R13 and an NPN type triode III, one end of the NPN type triode III is grounded, and the other end of the NPN type triode III is connected with a resistor R9 and a resistor R10.
The circuit realizes the transmission of power supply and communication signals between a host computer and a slave computer through a cable. When the level changes due to communication on the cable, the slave maintains the normal work of the singlechip U29 through the energy storage capacitor C1; the host computer realizes data transmission through a switch circuit consisting of a resistor R7, a resistor R8 and a switch tube Q3. The data feedback is realized by a switch circuit consisting of a slave resistor R12, a resistor R13 and a switch tube Q4. The master receives communication data fed back by the slave through a voltage dividing circuit formed by the resistor R5 and the resistor R6. The slave receives communication data sent by the host through a voltage dividing circuit consisting of a resistor R10 and a resistor R11.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model discloses a circuit for a host to supply power to a slave and share one cable with the communication of the slave, wherein the host is powered by a battery or a direct current stabilized voltage power supply, a singlechip U2 of the host controls a switch tube Q1 to be closed at ordinary times, the host supplies power to the slave, an energy storage capacitor C1 of the slave is charged at the moment, when the host transmits data to the slave, the singlechip U2 realizes the level change of the cable (power supply+/communication) by controlling the on-off of the switch tube Q3, and the data transmission is completed; when the level on the cable (power supply+/communication) is pulled down by the host computer in a short time due to data transmission, the slave computer can ensure the normal operation of the single-chip microcomputer U9 because of the energy storage capacitor C1, and meanwhile, the single-chip microcomputer U29 of the slave computer can receive the level change on the cable (power supply+/communication) through the P0 end, so that the data receiving is completed. When the slave machine feeds back data to the host machine, the slave machine singlechip U9 controls the on-off of the switch tube Q4 to realize the level change on a control cable (power supply+/communication) so as to finish the data feedback from the slave machine to the host machine; the host singlechip U2 can detect the level change on the cable (power supply+/communication) through the P1 end, and the data receiving is completed. In the system of a host computer and a plurality of slave computers, one cable is saved, so that the system reliability is improved due to simplified wiring, and the cost is reduced.
Drawings
Fig. 1 is a schematic diagram of a power line and communication line collinear circuit.
In the figure: the power supply 1, the singlechip U2, the PNP triode 3, the NPN triode I4, the NPN triode II 5, the switching diode D6, the NPN triode III 7, the energy storage capacitor 8, the singlechip U9, the host 10 and the slave 11.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, in an embodiment of the present utility model, a power line and communication line collinear circuit includes a master computer 10 and a slave computer 11, wherein the master computer 10 and the slave computer 11 are electrically connected;
the host 10 is internally provided with a singlechip U2, the singlechip U2 is electrically connected with a power supply 1, the P0 end of the singlechip U2 is respectively electrically connected with one ends of resistors R1 and R2, the other end of the resistor R1 is grounded, the other end of the resistor R2 is connected with a second NPN triode 5, one end of the second NPN triode 5 is electrically connected with a resistor R3 and a PNP triode 3, and one ends of the resistor R3 and the PNP triode 3 are both connected with the power supply 1; the other end of the PNP triode 3 is connected with a resistor R4;
the P1 end of the singlechip U2 is electrically connected with the resistors R5 and R6, and the other end of the resistor R6 is grounded;
the P2 end of the singlechip U2 is respectively and electrically connected with the resistors R7 and R8; one end of the resistor R7 is grounded, the other end of the resistor R8 is connected with the NPN triode I4, and one end of the NPN triode I4 is grounded;
the single-chip microcomputer U9 is arranged in the host 11, the single-chip microcomputer U9 is electrically connected with the energy storage capacitor 8 and the switching diode 6, the other end of the energy storage capacitor 8 is grounded, the other end of the switching diode 6 is connected with the resistor R9, the P0 end of the single-chip microcomputer U9 is electrically connected with the resistors R10 and R11, the P1 end of the single-chip microcomputer U9 is electrically connected with the resistor R12, the resistor R12 is electrically connected with the resistor R13 and the NPN triode three 7, one end of the NPN triode three 7 is grounded, and the other end of the NPN triode three 7 is connected with the resistor R9 and the resistor R10.
When the host 10 is powered by the power supply 1 and starts to work, the singlechip U2 controls the switch circuit consisting of the switch tube Q1, the switch tube Q2, the resistor R1, the resistor R2 and the resistor R3 to be connected, the voltage of the power supply 1 is applied to the slave 11 through a cable, the cable is kept at a high level, and the energy storage capacitor C1 on the slave 11 is fully charged.
When the host 10 transmits communication data to the slave 11, the singlechip U1 of the host 10 controls the high and low level changes on the cable by controlling the switch tube Q3 to be turned off or turned on, thereby achieving the purpose of transmitting communication data to the slave 11 by the host 10.
The data sent by the host 10 is transmitted to the P0 end of the singlechip U9 through the voltage dividing resistors (R10 and R11) on the slave 11, the slave 11 singlechip realizes the reception of the communication data sent by the host, and when the level change occurs on the cable due to the communication, the energy storage capacitor C1 of the slave can release energy to keep the stability of the slave power supply, so that the normal operation of the system is ensured.
After receiving the data, the slave 11 feeds back the data to the host 10, and the singlechip U9 of the slave 11 controls the high and low changes of the level on the cable by controlling the switch tube Q4 to be opened or closed, so that the purpose of feeding back the communication data from the slave 11 to the host 10 is realized.
The data fed back by the slave 11 are transmitted to the P1 end of the singlechip U2 through the voltage dividing resistors (R5 and R6) on the host 10, and the singlechip U2 receives the data fed back by the slave 11.
Resistor R4 acts as a current limiting function and does not cause a short circuit in the battery due to the level on the cable being pulled down during communication.
Resistor R9 is likewise a current limiting resistor.
The switch diode D6 plays a role in controlling the unidirectional flow of current, so that the current can only flow from the host to the energy storage capacitor C1 of the slave, and when the cable is at a low level, the energy of the energy storage capacitor can not flow in the host direction in the opposite direction.
The circuit realizes the transmission of power supply and communication signals between a host computer and a slave computer through a cable. When the level changes due to communication on the cable, the slave maintains the normal work of the singlechip U29 through the energy storage capacitor C1; the host computer realizes data transmission through a switch circuit consisting of a resistor R7, a resistor R8 and a switch tube Q3. The data feedback is realized by a switch circuit consisting of a slave resistor R12, a resistor R13 and a switch tube Q4. The master receives communication data fed back by the slave through a voltage dividing circuit formed by the resistor R5 and the resistor R6. The slave receives communication data sent by the host through a voltage dividing circuit consisting of a resistor R10 and a resistor R11.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The collinear circuit of a power line and communication line, including host computer (10) and slave computer (11), characterized by, connect electrically between slave computer (11) and the said host computer (10);
the power supply is characterized in that a singlechip U2 is arranged in the host (10), the singlechip U2 is electrically connected with a power supply (1), PO ends of the singlechip U2 are respectively electrically connected with one ends of resistors R1 and R2, the other end of the resistor R1 is grounded, the other end of the resistor R2 is connected with a NPN triode II (5), one end of the NPN triode II (5) is electrically connected with a resistor R3 and a PNP triode (3), and one ends of the resistor R3 and the PNP triode (3) are both connected with the power supply (1); the other end of the PNP triode (3) is connected with a resistor R4.
2. The collinear circuit of the power line and the communication line according to claim 1, wherein the P1 end of the single chip microcomputer U2 is electrically connected with resistors R5 and R6, and the other end of the resistor R6 is grounded.
3. The power line and communication line colinear circuit of claim 1, wherein the P2 end of the single chip microcomputer (U2) is electrically connected with resistors R7, R8, respectively; one end of the resistor R7 is grounded, the other end of the resistor R8 is connected with the NPN triode I (4), and one end of the NPN triode I (4) is grounded.
4. The power line and communication line colinear circuit according to claim 1, characterized in that a single chip microcomputer U9 is arranged in the host computer (10), the single chip microcomputer U9 is electrically connected with the energy storage capacitor (8) and the switch diode (6), the other end of the energy storage capacitor (8) is grounded, the other end of the switch diode (6) is connected with a resistor R9, and the P0 end of the single chip microcomputer U9 is electrically connected with resistors R10 and R11.
5. The power line and communication line colinear circuit of claim 1, wherein the P1 end of the single chip microcomputer U9 is electrically connected with a resistor R12, the resistor R12 is electrically connected with a resistor R13 and an NPN type triode three (7), one end of the NPN type triode three (7) is grounded, and the other end of the NPN type triode three (7) is connected with a resistor R9 and a resistor R10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320280730.6U CN219611807U (en) | 2023-02-22 | 2023-02-22 | Collinear circuit of power line and communication line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320280730.6U CN219611807U (en) | 2023-02-22 | 2023-02-22 | Collinear circuit of power line and communication line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219611807U true CN219611807U (en) | 2023-08-29 |
Family
ID=87749522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320280730.6U Active CN219611807U (en) | 2023-02-22 | 2023-02-22 | Collinear circuit of power line and communication line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219611807U (en) |
-
2023
- 2023-02-22 CN CN202320280730.6U patent/CN219611807U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202798027U (en) | Bidirectional power supply circuit of single USB interface | |
| US20120153747A1 (en) | Usb charger, its switch control system and method, and a usb interface charger for a laptop | |
| CN108556669B (en) | Vehicle-mounted charger and control device thereof | |
| CN219611807U (en) | Collinear circuit of power line and communication line | |
| CN217821585U (en) | MAX485 receiving and dispatching control signal generating device based on serial port sending signal | |
| CN210442672U (en) | Intelligent power supply switch | |
| CN212649472U (en) | Optical module auxiliary circuit and optical module auxiliary device | |
| CN208937961U (en) | Mining control device with power line communication | |
| CN208198313U (en) | A kind of vehicle electronic control unit | |
| CN201072874Y (en) | Standby circuit of television | |
| CN111976415A (en) | Outdoor unit electric control device and vehicle-mounted air conditioner | |
| CN214045059U (en) | Power supply structure in electric carrier | |
| AU2020411713B2 (en) | Power-on/off circuit for battery management system | |
| CN219227420U (en) | Single-wire communication power supply circuit | |
| CN217060963U (en) | Intelligent instrument firmware upgrading device and intelligent instrument | |
| CN220114486U (en) | Expansion charging gun system | |
| CN214572645U (en) | Sewing machine photoelectric control converter with USB charging interface | |
| CN216565447U (en) | Communication conversion circuit and communication converter with same | |
| CN218482773U (en) | Compatible circuit of power supply based on RS485 interface | |
| CN217157456U (en) | Portable one-key charging communication circuit and miniature near-infrared upgrade device | |
| CN218920408U (en) | TTL communication port level conversion system of gas meter | |
| CN214504153U (en) | Communication circuit, control panel and electrical equipment | |
| CN216057575U (en) | Circuit for coding lamp and remote controller | |
| CN213661235U (en) | Self-recognition power supply switching system | |
| CN115118552B (en) | Broadband carrier communication gateway device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |