CN-224231809-U - Distributed power supply access unit

CN224231809UCN 224231809 UCN224231809 UCN 224231809UCN-224231809-U

Abstract

The utility model relates to a distributed power supply access unit which comprises an upper computer, a front-end processor electrically connected with the upper computer and bottom hardware, wherein the bottom hardware comprises a power supply cabinet and a plurality of test tables, a program control voltage source and a standard table electrically connected with the program control voltage source are arranged in the power supply cabinet, an automatic crimping module, a station control module, a power consumption detection module and a test interface module are respectively and electrically connected with the test tables, the station control module is electrically connected with the power consumption detection module and electrically connected with the unit to be tested through a switch S1 and the program control voltage source through a switch S2, the program control voltage source is electrically connected with the unit to be tested through a switch S3, the station control module controls the switches S1 and S2, and the power consumption detection module controls the switch S3.

Inventors

ZHENG JIJUN
ZHANG YUEQIANG
Jiang Zhaodian
SUN GUOTAO
ZHAO LILI

Assignees

元启工业技术有限公司

Dates

Publication Date: 20260512
Application Date: 20250416

Claims (9)

1. The distributed power supply access unit is characterized by comprising an upper computer, a front-end processor electrically connected with the upper computer and bottom hardware; The bottom hardware comprises a power cabinet and a plurality of test tables; setting a program control voltage source in the power cabinet and electrically connecting a standard meter with the program control voltage source; An automatic crimping module, a station control module, a power consumption detection module and a test interface module are respectively and electrically connected in the test table; the station control module is electrically connected with the power consumption detection module through a switch S1 the device is connected with a unit to be tested and is electrically connected with a program-controlled voltage source through a switch S2; the program-controlled voltage source is electrically connected with the unit to be tested through a switch S3; the station control module controls the switches S1 and S2, and the power consumption detection module controls the switch S3.
2. The distributed power access unit of claim 1, wherein the upper computer is configured to perform man-machine interaction, obtain a detection task, generate a detection scheme, and issue a control command and a test message.
3. The distributed power access unit of claim 1, wherein the front-end processor comprises an MCU and a network relay electrically connected with the downlink end of the MCU, wherein the network relay is used for data interaction between the upper computer and the designated port of each unit to be tested and is used as a communication bridge between the upper computer and the bottom hardware; The front-end motor is electrically connected with the test interface module through the automatic crimping module and the station control module, and the test interface module is matched with the power consumption detection module.
4. The distributed power access unit of claim 1, wherein the programmable voltage source is configured to power the unit under test; The standard table is used for comparing the standard table with the alternating acquisition result of the power supply to be tested in the test process and calculating an error; The automatic crimping module is used for physically connecting the unit to be tested with the epitope test interface module; The station control module is used for powering on and powering off the unit to be tested according to the set requirement and indicating the current state of the unit to be tested, and comprises a state indicator lamp to be lighted; And the power consumption detection module is used for measuring the power consumption condition of the unit to be tested in the communication and non-communication states in the test process.
5. The distributed power access unit of claim 4, wherein the test interface module is configured to connect all physical interfaces of the unit under test to a communication link formed on the table during the test; The test interface module comprises an RJ45 socket (7), a communication socket (8), a power socket (9) and a press button (10).
6. The distributed power access unit of claim 5, wherein a human-machine interface is provided on the table (4).
7. The distributed power access unit of claim 6, wherein the station control module comprises a plurality of relays, wherein the relays are respectively arranged on the voltage display unit, the epitope power-on unit and the switching power consumption detection unit, one of the relays is used for controlling the electric push rod, and the relays are electrically connected with the press-connection button.
8. The distributed power access unit of claim 7, wherein the distributed power access unit further comprises a main power supply loop comprising circuit breakers QF1-QF4; The commercial power is electrically connected with corresponding circuit breakers QF2-QF4 through the circuit breakers QF1, and the circuit breakers QF1 also control the man-machine interface circuit through a panel scram switch SB0 and a control coil of a relay KM1 which are connected in series.
9. The distributed power access unit of claim 8, wherein the automatic crimping module comprises an electric push rod, wherein a motor of the electric push rod is electrically connected with a corresponding relay contact, and the 12V switching power supply passes through the relay contact; the network relay module controls the on-off of the relay coil; The crimping button SB of each meter position is connected to the corresponding input DI point of the network relay, and the upper computer collects the state of the network relay; The status indicator lamps include parallel indicator lamps P13 and P14, and indicate and display.

Description

Distributed power supply access unit Technical Field The utility model relates to a distributed power access unit. Background In the testing process of the prior distributed power supply access unit module, the defects of complex manual testing wiring, time and labor waste for switching communication ports, low detection efficiency and the like exist, the existing solution is to use a structure similar to a table to detect, lead out all communication ports and use an upper computer to perform the testing, but the method only solves the problems of complex wiring and low efficiency of the switching of the communication ports. In recent years, the integrated capacity of distributed photovoltaic has been in a high-speed trend. The national power grid provides four possible construction of 'considerable, controllable, measurable and adjustable' for promoting the healthy orderly development of the distributed photovoltaic and improving the management level of the distributed photovoltaic, and the China electric science research institute designs and develops a distributed power supply access unit module for the purpose of uniformly monitoring and regulating the distributed photovoltaic. However, at present, a detection means capable of fully verifying functions and performances of the distributed power supply access unit module is not available, and the existing detection mode has the defects of difficult wiring, low detection efficiency and incomplete detection items, and is not beneficial to quality control and application popularization. The technical proposal of the detection device similar to the structure of the intelligent electric energy meter detection table has the defects of laborious terminal plugging and low detection efficiency, Disclosure of utility model The technical problem to be solved by the present utility model is generally to provide a distributed power access unit. The utility model discloses a detection device for a distributed power supply access unit, which aims to solve the problems, adopts a modularized design and is used for detecting the functions and the performances of the distributed power supply access unit. In order to solve the problems, the utility model adopts the following technical scheme: A distributed power supply access unit comprises an upper computer, a front-end processor electrically connected with the upper computer and bottom hardware; The bottom hardware comprises a power cabinet and a plurality of test tables; setting a program control voltage source in the power cabinet and electrically connecting a standard meter with the program control voltage source; An automatic crimping module, a station control module, a power consumption detection module and a test interface module are respectively and electrically connected in the test table; the station control module is electrically connected with the power consumption detection module through a switch S1 the device is connected with a unit to be tested and is electrically connected with a program-controlled voltage source through a switch S2; the program-controlled voltage source is electrically connected with the unit to be tested through a switch S3; the station control module controls the switches S1 and S2, and the power consumption detection module controls the switch S3. Further, the upper computer is used for man-machine interaction, acquisition of detection tasks, generation of a detection scheme, and issuing of control commands and test messages; The front-end processor comprises an MCU and a network relay electrically connected with the downlink end of the MCU, wherein the front-end processor is used for data interaction between the upper computer and the appointed ports of the units to be tested and is used as a communication bridge between the upper computer and the bottom hardware; The front-end motor is electrically connected with the test interface module through the automatic crimping module and the station control module; the program-controlled voltage source is used for supplying power to the unit to be tested; The program-controlled voltage source is a power source; The standard table is used for comparing the standard table with the alternating acquisition result of the power supply to be tested in the test process and calculating an error; The automatic crimping module is used for physically connecting the unit to be tested with the epitope test interface module; The station control module is used for powering on and powering off the unit to be tested according to the set requirement and indicating the current state of the unit to be tested, and comprises a state indicator lamp to be lighted; And the power consumption detection module is used for measuring the power consumption condition of the unit to be tested in the communication and non-communication states in the test process. And the test interface module is used for connecting all physical interfaces of the unit to be tested to a communi