CN212726572U - Sampling and control unit for DC power distribution - Google Patents
Sampling and control unit for DC power distribution Download PDFInfo
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- CN212726572U CN212726572U CN202021733886.8U CN202021733886U CN212726572U CN 212726572 U CN212726572 U CN 212726572U CN 202021733886 U CN202021733886 U CN 202021733886U CN 212726572 U CN212726572 U CN 212726572U
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Abstract
The utility model discloses a sampling and the control unit for direct current distribution, including the control unit, output control end, relay group, signal input part and first communication end, output control end, signal input part and first communication end are connected with the control unit electricity respectively, the output control end still is connected with the relay group electricity, signal input part is used for acquireing the acquisition information back transmission to the control unit of input, the control unit transmits acquisition information to the host computer through first communication end to receive the control information of host computer input through first communication end, the switching through output control end control relay group behind the control unit receipt control information, the switching of relay group is used for controlling output circuit's break-make. The utility model provides a sampling and the control unit for direct current distribution can be used for the information acquisition and the on-off control of direct current distribution output circuit.
Description
Technical Field
The utility model relates to a direct current distribution power consumption technical field, specifically speaking relates to a sampling and the control unit for direct current distribution.
Background
In the output circuit of the existing direct current power distribution, the main function is to realize the multi-path switch control, and the information monitoring of current, power, electric quantity and the like of a main circuit and a branch circuit is lacked. Therefore, when the output circuit fails, it is not possible to quickly acquire the failure information and to take corresponding countermeasures.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sampling and the control unit for direct current distribution can be used for the information acquisition and the on-off control of direct current distribution output circuit.
The utility model discloses a technical scheme that sampling and the control unit that is used for direct current distribution adopted is:
the utility model provides a sampling and the control unit for direct current distribution, includes control unit, output control end, relay group, signal input part and first communication end, output control end, signal input part and first communication end are connected with the control unit electricity respectively, the output control end still is connected with relay group electricity, signal input part is used for acquireing the acquisition information of input after transmit to the control unit, the control unit transmits acquisition information to the host computer through first communication end to receive the control information of host computer input through first communication end, the switching through output control end control relay group behind the control unit receipt control information, the switching of relay group is used for controlling output circuit's break-make.
Preferably, the system further comprises a dial switch, the dial switch is electrically connected with the control unit, and the dial switch is used for indicating the communication address of the control unit.
Preferably, the mobile terminal further comprises a second communication terminal for connecting with the input device, and the second communication terminal is electrically connected with the control unit.
As a preferred scheme, the system further comprises an auxiliary power supply, wherein the auxiliary power supply is used for supplying power to the external information acquisition equipment after converting an input power supply into a stable voltage.
Preferably, the device further comprises a metering unit, wherein the input end of the metering unit is electrically connected with the signal input end, and the output end of the metering unit is electrically connected with the control unit.
As a preferred scheme, the first communication terminal is a 485 communication interface.
The utility model discloses a sampling and the control unit's for direct current distribution beneficial effect is: the signal input end acquires input acquisition information and transmits the input acquisition information to the control unit, the control unit transmits the acquisition information to the upper computer through the first communication end, the upper computer transmits the control information to the control unit through the first communication end after processing, and the control unit controls the opening and closing of the relay group through the output control end after receiving the control information, so that the on-off of an output loop is controlled. In the scheme, acquisition and uploading of collected information are completed through the signal input end, the control unit and the first communication end, and then on-off control of the output loop is completed through the first communication end, the control unit, the output control end and the relay group.
Drawings
Fig. 1 is a structural framework diagram of a sampling and control unit for dc power distribution according to the present invention.
Fig. 2 is a schematic structural diagram of the sampling and control unit for dc power distribution according to the present invention.
Detailed Description
The invention will be further elucidated and described with reference to the following embodiments and drawings in which:
referring to fig. 1, the sampling and control unit for dc power distribution includes a control unit, an output control terminal, a relay set, a signal input terminal, and a first communication terminal. The output control end, the signal input end and the first communication end are respectively electrically connected with the control unit, and the output control end is also electrically connected with the relay group. The signal input end is used for acquiring input acquisition information and then transmitting the input acquisition information to the control unit, and the control unit transmits the acquisition information to the upper computer through the first communication end and receives the control information input by the upper computer through the first communication end. And the control unit controls the opening and closing of the relay set through the output control end after receiving the control information, and the opening and closing of the relay set is used for controlling the on-off of the output loop.
The signal input end acquires input acquisition information and transmits the input acquisition information to the control unit, the control unit transmits the acquisition information to the upper computer through the first communication end, the upper computer transmits the control information to the control unit through the first communication end after processing, and the control unit controls the opening and closing of the relay group through the output control end after receiving the control information, so that the on-off of an output loop is controlled. In the scheme, acquisition and uploading of collected information are completed through the signal input end, the control unit and the first communication end, and then on-off control of the output loop is completed through the first communication end, the control unit, the output control end and the relay group.
In this embodiment, various sensors or other acquisition devices for information acquisition in an output loop of the dc power distribution, such as a current sampling sensor, a leakage current sampling sensor, a voltage sampling sensor, and the like. The signal input end comprises a plurality of input ports, and the input ports can be electrically connected with the sensors through connecting wires so as to acquire the acquisition information of the sensors. The collected information is uploaded to an upper computer through a control unit and a first communication terminal, and information collection of the direct current power distribution output circuit is completed. If the output loop has risks and needs to be disconnected, the upper computer sends control information to the control unit, and the control unit controls the on-off of the output loop by controlling the on-off of the relay group. Specifically, the relay group includes a plurality of relays, which are respectively used for on-off control of a plurality of branches of the output circuit and the main circuit.
The sampling and control unit further comprises a dial switch, the dial switch is electrically connected with the control unit, and the dial switch is used for expressing the communication address of the control unit. When the control unit communicates with the upper computer, the communication address of the control unit can be represented through the dial switch, so that accurate transmission of information is completed. Therefore, after the dial switch is added, the plurality of sampling and control units can realize parallel operation through the same upper computer.
The sampling and control unit further comprises a second communication end used for being connected with the input equipment, and the second communication end is electrically connected with the control unit. The second communication terminal can be used for connecting an input device, such as an input key, and the relay set can be directly controlled through the input device.
The sampling and control unit further comprises an auxiliary power supply, and the auxiliary power supply is used for supplying power to the external information acquisition equipment after converting the input power supply into stable voltage. Specifically, the auxiliary power supply may be a 12V DC-DC conversion unit, and the 12V voltage output by the auxiliary power supply may power a sensor for information acquisition.
The sampling and control unit further comprises a metering unit, the input end of the metering unit is electrically connected with the signal input end, and the output end of the metering unit is electrically connected with the control unit. The current information and the voltage information input by the signal input end can be calculated through the metering unit, so that corresponding power information and electric quantity information are obtained, and then the power information and the electric quantity information are transmitted to the control unit. In another embodiment, the metering unit may also be implemented by the control unit performing calculations.
Referring to fig. 2, in the embodiment, the control unit may be a single chip microcomputer. The interfaces J2 and J10 are output control terminals, the interfaces J9 and J3 are signal input terminals, the interface J7 is a power input terminal, the interface J4 is an auxiliary power output terminal, and the interfaces J6 and J5 are a first communication terminal and a second communication terminal, respectively. The relay set further comprises a manual control terminal interface J1, when the first communication terminal and the second communication terminal can not communicate normally, the on-off control of the relay set can be completed through S1 and SCOM or S2 and SCOM of the connection interface J1.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a sampling and the control unit for direct current distribution, a serial communication port, including the control unit, output control end, relay group, signal input part and first communication end, output control end, signal input part and first communication end are connected with the control unit electricity respectively, the output control end still is connected with relay group electricity, signal input part is used for acquireing the collection information back transmission to the control unit of input, the control unit transmits collection information to the host computer through first communication end to receive the control information of host computer input through first communication end, the switching through output control end control relay group behind the control unit receipt control information, the switching of relay group is used for controlling output circuit's break-make.
2. The sampling and control unit for dc power distribution according to claim 1, further comprising a dip switch, said dip switch being electrically connected to the control unit, said dip switch being adapted to indicate a communication address of the control unit.
3. The sampling and control unit for dc power distribution according to claim 1, further comprising a second communication terminal for connecting to an input device, said second communication terminal being electrically connected to the control unit.
4. The sampling and control unit for dc power distribution according to claim 1, further comprising an auxiliary power supply, wherein the auxiliary power supply converts an input power supply into a stable voltage and supplies the stable voltage to an external information acquisition device.
5. The sampling and control unit for dc power distribution according to claim 1, further comprising a metering unit, an input of the metering unit being electrically connected to the signal input, an output of the metering unit being electrically connected to the control unit.
6. The sampling and control unit for dc power distribution according to claim 1, wherein the first communication terminal is a 485 communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021733886.8U CN212726572U (en) | 2020-08-17 | 2020-08-17 | Sampling and control unit for DC power distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021733886.8U CN212726572U (en) | 2020-08-17 | 2020-08-17 | Sampling and control unit for DC power distribution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212726572U true CN212726572U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021733886.8U Active CN212726572U (en) | 2020-08-17 | 2020-08-17 | Sampling and control unit for DC power distribution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212726572U (en) |
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2020
- 2020-08-17 CN CN202021733886.8U patent/CN212726572U/en active Active
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