Tower type photo-thermal mirror field intelligent distribution board card function detection device and detection method

Abstract

The invention discloses a tower-type photo-thermal mirror field intelligent power distribution board card function detection device and detection method. The detection device comprises a cabinet, and a control host, an Ethernet switch, an intelligent power distribution cabinet, a high-power power supply, a main electronic load, an auxiliary electronic load, a relay module and a communication test module are installed in the cabinet. The detection device and the detection method disclosed by the invention are used for detecting the input and output signals of the intelligent power distribution board cards, can detect a plurality of intelligent power distribution board cards at one time, and are high in detection efficiency, low in cost, high in device integration degree, convenient to transport and move, simple in association among equipment and convenient to maintain; through time-sharing control of the relay module, each board card does not need to be independently provided with a main electronic load, an auxiliary electronic load and a communication test module, so that the equipment cost is greatly reduced, and the product economy is improved.

Description

Technical Field

[0001] The present invention relates to the field of function detection of distribution boards, and particularly to a function detection device and method for an intelligent distribution board of a tower-type solar thermal mirror field. Background Art

[0002] A tower-type solar thermal power station generally uses tens of thousands of heliostats for concentrating solar heat, and a large power station may even have hundreds of thousands of heliostats. The number of heliostats is large and the distribution range is wide. The intelligent distribution board of the mirror field integrates two functions of power control and communication control, provides power and communication links for the heliostat array in the mirror field, and provides functions such as overcurrent protection and leakage protection. Therefore, its performance is crucial. After the intelligent distribution board of the mirror field is produced on the production line, it needs to be subjected to function testing and calibration to ensure that the product is qualified before leaving the factory.

[0003] The existing tests can achieve basic function tests, but for overcurrent protection and leakage protection of relatively large currents, due to limitations in testing devices and methods, batch testing cannot be carried out quickly and effectively. Summary of the Invention

[0004] To solve the above technical problems, the present invention provides a function detection device and method for an intelligent distribution board of a tower-type solar thermal mirror field, so as to achieve the purposes of high test efficiency, high automation degree, and low test cost.

[0005] To achieve the above object, the technical solution of the present invention is as follows:

[0006] A function detection device for an intelligent distribution board of a tower-type solar thermal mirror field includes a cabinet, in which a control host, an Ethernet switch, an intelligent power distribution box, a high-power power supply, a main electronic load, an auxiliary electronic load, a relay module, and a communication test module are installed;

[0007] The control host is used for controlling the entire function detection device, running control software, performing functions such as downloading the firmware of the intelligent distribution board, issuing detection instructions, collecting detection data, determining detection results, and generating an automatic report, and solidifying and calibrating the factory test program of the intelligent distribution board. The control host is connected to the intelligent power distribution box, the relay module, the main electronic load, and the auxiliary electronic load through USB cables for data transmission;

[0008] The Ethernet switch is connected to the control host through Ethernet and is used for communicating with multiple Ethernet interfaces of the control host and the intelligent power distribution box for data forwarding;

[0009] The intelligent power distribution box has several slots for installing intelligent distribution boards and is used for providing high-power power and communication for the test intelligent distribution boards;

[0010] The high-power power supply converts the AC 220V high-power power supply into a DC regulated high-power power supply required for the intelligent distribution cabinet and intelligent distribution board.

[0011] Under the control of the control host, the main electronic load provides a reliable current load for the intelligent distribution board to perform high-precision current output testing and calibration.

[0012] Under the control of the control host, the auxiliary electronic load provides a stable and reliable ground leakage current for the intelligent distribution board to perform high-precision ground leakage current testing and calibration.

[0013] The relay module is used to switch the conduction links of several intelligent distribution boards with the main electronic load, auxiliary electronic load and communication test module, realizing the power distribution and communication test functions of the intelligent distribution board.

[0014] The communication test module is used to communicate with the intelligent distribution board, receive the communication test instructions and data of the intelligent distribution board, respond to the corresponding information, and perform communication link and function testing.

[0015] In the above solution, the intelligent distribution cabinet has 16 slots for installing intelligent distribution boards.

[0016] In a further technical solution, the communication test module internally includes 4 identical CIM modules. Each CIM module has 2 redundant RS485 communication circuits, and each CIM module corresponds to 4 intelligent distribution boards for grouping communication testing of the intelligent distribution boards.

[0017] In the above solution, the main electronic load provides a current of 0 to 25A, and the auxiliary electronic load provides a current of 0 to 500mA.

[0018] A method for detecting the functions of an intelligent distribution board in a tower-type solar thermal mirror field uses an apparatus for detecting the functions of an intelligent distribution board in a tower-type solar thermal mirror field as described above, including the following processes:

[0019] (1) Install 1 to 16 intelligent distribution boards to be tested in the intelligent distribution cabinet in sequence, and connect the quick-insert cables between the intelligent distribution boards and the relay module.

[0020] (2) Start the high-power power supply to power on the intelligent distribution cabinet and intelligent distribution boards. The control host obtains the information of the intelligent distribution cabinet through the USB cable, detects the number of intelligent distribution boards, and downloads the firmware of the intelligent distribution boards, and assigns and sets IP addresses for the intelligent distribution boards.

[0021] (3) The control host controls the relay switch in the relay module in a time-sharing manner according to the number of the intelligent distribution boards to be tested, and connects 1 to 16 intelligent distribution boards with the main electronic load, the auxiliary electronic load, and the communication test module;

[0022] (4) After connection, calibration is performed. The control host controls the main electronic load and the auxiliary electronic load to apply multiple current values ​​between 0 and the maximum detection current value to each intelligent distribution board in a time-sharing manner, and calculates the calibration parameters according to the current values ​​collected by the intelligent distribution board. Data fitting is performed according to the calculation results to generate the final calibration parameters, which are then sent to the intelligent distribution board for storage;

[0023] (5) After the calibration is completed, the control host applies a specific current to the intelligent distribution board by controlling the main electronic load and the auxiliary electronic load, and receives the action feedback of the intelligent distribution board to determine whether the main current overcurrent and leakage current overcurrent actions of the intelligent distribution board meet the requirements;

[0024] (6) The control host obtains the detection data of the intelligent distribution board through the Ethernet switch, and obtains the detection data of the main electronic load, auxiliary electronic load, relay module and intelligent distribution chassis through the USB cable, determines whether the test results are qualified, and automatically generates a board test report.

[0025] In the above scheme, the relay module performs high-precision current output detection and calibration by time-sharingly controlling the relay switching actions of 1 to 16 smart distribution boards and the main electronic loads; performs leakage current detection and calibration by time-sharingly controlling the relay switching actions of 1 to 16 smart distribution boards and the auxiliary electronic loads; and performs communication testing between the smart distribution boards and the communication test modules by time-sharingly controlling the relay switching actions of 1 to 16 smart distribution boards and the communication test modules.

[0026] Through the above technical solution, the tower-type photothermal mirror field intelligent power distribution board function detection device and detection method provided by the present invention have the following beneficial effects:

[0027] 1. This device can test 16 intelligent power distribution boards at one time, greatly reducing the number of on-site operators and working hours. The test process is highly automated, which is conducive to improving work efficiency;

[0028] 2. This device can automatically identify the number of intelligent power distribution boards to be tested, download firmware and autonomously allocate test time;

[0029] 3. This detection device is controlled by relay modules at the same time, and there is no need to set the main electronic load and auxiliary electronic load separately for each intelligent distribution board, which greatly simplifies the equipment cost and improves the economic efficiency of the product;

[0030] 4. This device adopts the form of a main + auxiliary electronic load, which can separately perform main circuit current detection and calibration, as well as leakage current detection and calibration, greatly improving the test efficiency;

[0031] 5. After the intelligent power distribution board of this device is calibrated, it automatically performs overcurrent action detection of the intelligent power distribution board, fully verifying the safe power distribution function of the board.

[0032] 6. Through time-sharing control, this device does not require each intelligent power distribution board to be separately equipped with a dedicated communication interface module, greatly simplifying the equipment cost.

[0033] 7. This device is provided with various interface tests such as power distribution and communication, ensuring the factory inspection of intelligent power distribution boards, greatly improving the test efficiency and the factory pass rate of products;

[0034] 8. This device has a high degree of integration. One cabinet integrates the main and auxiliary electronic loads, an Ethernet switch, a communication test module, and a relay module, which is convenient for transportation and movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art.

[0036] Figure 1 It is a schematic internal view of a function detection device for an intelligent power distribution board of a tower-type solar thermal mirror field disclosed in an embodiment of the present invention;

[0037] Figure 2 It is a schematic diagram of the connection relationship of each module of this device.

[0038] In the figure, 1. Control host; 2. Ethernet switch; 3. Intelligent power distribution cabinet; 4. High-power power supply; 5. Main electronic load; 6. Auxiliary electronic load; 7. Relay module; 8. Cabinet; 9. Communication test module. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention.

[0040] The present invention provides a function detection device for an intelligent power distribution board of a tower-type solar thermal mirror field, as Figure 1 shown, which includes a cabinet 8, and a control host 1, an Ethernet switch 2, an intelligent power distribution cabinet 3, a high-power power supply 4, a main electronic load 5, an auxiliary electronic load 6, a relay module 7, and a communication test module 9 are installed in the cabinet 8. As Figure 2 shown, the functions and connection relationships of each module are as follows:

[0041] The control host is used for the control of the entire function detection device, runs control software, executes functions such as intelligent power distribution board firmware download, detection instruction issuance, detection data collection, detection result determination, and automatic report generation, and solidifies and calibrates the factory test program of the intelligent power distribution board. The control host is connected to the intelligent power distribution cabinet, relay module, main electronic load, and auxiliary electronic load through USB cables for data transmission.

[0042] The Ethernet switch is connected to the control host through Ethernet and is used for communication between the control host and multiple Ethernet interfaces of the intelligent power distribution cabinet for data forwarding.

[0043] The intelligent power distribution cabinet has 16 slots for installing intelligent power distribution boards, which are used to provide high-power power supply and communication for the intelligent power distribution boards for testing.

[0044] The high-power power supply converts the AC 220V high-power power supply into the DC regulated high-power power supply required by the intelligent power distribution cabinet and intelligent power distribution boards.

[0045] Under the control of the control host, the main electronic load provides a reliable current load for the intelligent power distribution board for high-precision current output testing and calibration of the intelligent power distribution board; the main electronic load requires a large amount of power and is used for testing the main output current and can provide a current of 0 - 25A.

[0046] Under the control of the control host, the auxiliary electronic load provides a stable and reliable ground leakage current for the intelligent power distribution board for high-precision ground leakage current testing and calibration of the intelligent power distribution board; the auxiliary electronic load provides a current of 0 - 500mA.

[0047] The relay module is used to switch the conduction links of several intelligent power distribution boards with the main electronic load, auxiliary electronic load, and communication test module to realize the power distribution and communication test functions of the intelligent power distribution board;

[0048] The communication test module is used to communicate with the intelligent power distribution board, receive communication test instructions and data from the intelligent power distribution board, respond to the corresponding information, and conduct communication link and function tests. The communication test module internally includes 4 identical CIM modules, each CIM module has 2 redundant RS485 communication circuits, and each CIM module corresponds to 4 intelligent power distribution boards for grouping communication tests of the intelligent power distribution boards.

[0049] A method for detecting the functions of an intelligent power distribution board in a tower-type solar thermal mirror field uses an intelligent power distribution board function detection device as above and includes the following process:

[0050] (1) Install 1 - 16 intelligent power distribution boards to be tested in the intelligent power distribution cabinet in sequence and connect the quick-insert cables between the intelligent power distribution boards and the relay module;

[0051] (2) Start the high-power power supply, power on the smart power distribution chassis and the smart power distribution board, control the host to obtain the information of the smart power distribution chassis through the USB cable, detect the number of smart power distribution boards, download the firmware of the smart power distribution board, and allocate and set the IP address for the smart power distribution board;

[0052] (3) The control host controls the relay switch in the relay module in a time-sharing manner according to the number of the tested intelligent power distribution boards, and connects 1 to 16 intelligent power distribution boards with the main electronic load, the auxiliary electronic load and the communication test module; the relay module performs high-precision current output detection and calibration by time-sharingly controlling the relay switch actions corresponding to 1 to 16 intelligent power distribution boards and the main electronic load; performs leakage current detection and calibration by time-sharingly controlling the relay switch actions corresponding to 1 to 16 intelligent power distribution boards and the auxiliary electronic load; and performs communication testing between the intelligent power distribution board and the communication test module by time-sharingly controlling the relay switch actions corresponding to 1 to 16 intelligent power distribution boards and the communication test module;

[0053] (4) After connection, calibration is performed. The control host controls the main electronic load and the auxiliary electronic load to apply multiple current values ​​between 0 and the maximum detection current value to each intelligent distribution board in a time-sharing manner, and calculates the calibration parameters according to the current values ​​collected by the intelligent distribution board. Data fitting is performed according to the calculation results to generate the final calibration parameters, which are then sent to the intelligent distribution board for storage;

[0054] (5) After the calibration is completed, the control host applies a specific current to the intelligent distribution board by controlling the main electronic load and the auxiliary electronic load, and receives the action feedback of the intelligent distribution board to determine whether the main current overcurrent and leakage current overcurrent actions of the intelligent distribution board meet the requirements;

[0055] (6) The control host obtains the detection data of the intelligent distribution board through the Ethernet switch, and obtains the detection data of the main electronic load, auxiliary electronic load, relay module and intelligent distribution chassis through the USB cable, determines whether the test results are qualified, and automatically generates a board test report.

[0056] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tower-type photothermal mirror field intelligent power distribution board function detection device, characterized in that: The cabinet comprises a control host, an Ethernet switch, an intelligent power distribution box, a high-power power supply, a main electronic load, an auxiliary electronic load, a relay module, and a communication test module; The control host is used to control the entire function detection device, run the control software, execute the intelligent power distribution board firmware download, detection instruction issuance, detection data collection, detection result determination and automatic report generation functions, and solidify and calibrate the factory test program of the intelligent power distribution board. The control host is connected to the intelligent power distribution box, relay module, main electronic load and auxiliary electronic load through a USB cable for data transmission; The Ethernet switch is connected to the control host via Ethernet, and is used to control the communication between the host and multiple Ethernet interfaces of the intelligent power distribution box to forward data; The intelligent power distribution box has several card slots for installing intelligent power distribution boards, which are used to provide high-power power supply and communication for the intelligent power distribution boards used for testing; The high-power power supply converts the AC 220V high-power power supply into a DC regulated high-power power supply required by the intelligent power distribution box and the intelligent power distribution board; The main electronic load, under the control of the control host, provides a reliable current load to the intelligent power distribution board, so that the intelligent power distribution board can perform high-precision current output testing and calibration; The auxiliary electronic load, under the control of the control host, provides a stable and reliable ground leakage current to the intelligent power distribution board, so that the intelligent power distribution board can perform high-precision ground leakage current testing and calibration; The relay module is used to switch the conductive links between several intelligent power distribution boards and the main electronic load, the auxiliary electronic load and the communication test module, so as to realize the power distribution and communication test functions of the intelligent power distribution boards; The communication test module is used to communicate with the intelligent distribution board, receive communication test instructions and data from the intelligent distribution board, respond to corresponding information, and perform communication link and function tests.

2. The tower-type photothermal mirror intelligent power distribution board function detection device according to claim 1 is characterized in that: The intelligent power distribution box has 16 card slots for installing intelligent power distribution boards.

3. The tower-type photothermal mirror intelligent power distribution board function detection device according to claim 2 is characterized in that: The communication test module includes 4 identical CIM modules inside, each CIM module has 2 redundant RS485 communication circuits, and each CIM module corresponds to 4 intelligent distribution boards for grouping communication tests of the intelligent distribution boards.

4. The tower-type photothermal mirror intelligent power distribution board function detection device according to claim 1 is characterized in that: The main electronic load provides a current of 0 to 25A, and the auxiliary electronic load provides a current of 0 to 500mA.

5. A method for detecting the function of an intelligent power distribution board in a tower-type photothermal mirror field, using a device for detecting the function of an intelligent power distribution board in a tower-type photothermal mirror field as claimed in any one of claims 1 to 4, characterized in that: The process includes the following: (1) Install 1 to 16 intelligent power distribution boards to be tested in the intelligent power distribution box in sequence, and connect the quick-connect cables between the intelligent power distribution boards and the relay modules; (2) Start the high-power power supply, power on the smart power distribution chassis and the smart power distribution board, control the host to obtain the information of the smart power distribution chassis through the USB cable, detect the number of smart power distribution boards, download the firmware of the smart power distribution board, and allocate and set the IP address for the smart power distribution board; (3) The control host controls the relay switch in the relay module in a time-sharing manner according to the number of the intelligent distribution boards to be tested, and connects 1 to 16 intelligent distribution boards with the main electronic load, the auxiliary electronic load, and the communication test module; (4) After connection, calibration is performed. The control host controls the main electronic load and the auxiliary electronic load to apply multiple current values ​​between 0 and the maximum detection current value to each intelligent distribution board in a time-sharing manner, and calculates the calibration parameters according to the current values ​​collected by the intelligent distribution board. Data fitting is performed according to the calculation results to generate the final calibration parameters, which are then sent to the intelligent distribution board for storage; (5) After the calibration is completed, the control host applies a specific current to the intelligent distribution board by controlling the main electronic load and the auxiliary electronic load, and receives the action feedback of the intelligent distribution board to determine whether the main current overcurrent and leakage current overcurrent actions of the intelligent distribution board meet the requirements; (6) The control host obtains the detection data of the intelligent distribution board through the Ethernet switch, and obtains the detection data of the main electronic load, auxiliary electronic load, relay module and intelligent distribution chassis through the USB cable, determines whether the test results are qualified, and automatically generates a board test report.

6. A method for detecting the function of an intelligent power distribution board in a tower-type photothermal mirror field according to claim 5, characterized in that: The relay module performs high-precision current output detection and calibration by time-sharingly controlling the relay switching actions of 1 to 16 smart distribution boards and the main electronic loads; performs leakage current detection and calibration by time-sharingly controlling the relay switching actions of 1 to 16 smart distribution boards and the auxiliary electronic loads; and performs communication testing between the smart distribution boards and the communication test modules by time-sharingly controlling the relay switching actions of 1 to 16 smart distribution boards and the communication test modules.

Images