A test fixture for a micro current sensing module concentrator

Abstract

The present invention relates to the field of testing technology, and discloses a testing tooling for a miniature current sensing module concentrator, which is composed of a power supply, a tooling bottom plate combination unit, a tooling housing thimble, 4 relay modules, 4 485 communication modules, 4 Ethernet communication modules, 3 sensors and a switch. The present invention realizes the batch testing of the miniature current sensing module concentrator in the production process, reduces the testing intensity and difficulty of the staff, improves the production testing efficiency, and has high popularization value.

Description

Technical Field

[0001] The present invention relates to the technical field of testing, and in particular to a test tool for a miniature current sensing module concentrator. Background Art

[0002] Distribution automation is an important foundation of the intelligent distribution network, and the distribution IoT electrical sensing terminal is an essential product in the South Grid standard design V3.0 intelligent distribution standard. The miniature intelligent current sensing module is one of the products. The miniature intelligent current sensing module consists of a concentrator and a sensor.

[0003] The concentrator of the miniature intelligent current sensing module is installed in the distribution box, and is used to collect and manage data such as single-phase current, temperature, and live state of the low-voltage branch circuit collected by the sensor, perform secondary application of the data to achieve advanced functions, transmit the collected data and alarm data back to the intelligent gateway, combine with wireless communication to complete fast and accurate measurement, realize early fault warning, and separately set the alarm thresholds of each sensor according to different monitoring parts.

[0004] As a basic component of the miniature intelligent current sensing module, the concentrator of the miniature intelligent current sensing module has high quality requirements. Therefore, it is particularly important to perform reliable, economical, and efficient detection on it during the production process. For the mass production of the concentrator of the miniature intelligent current sensing module, there is currently no suitable production test tool. In view of this, designing a test tool for the concentrator of the miniature intelligent current sensing module that can meet the above requirements has become an urgent problem to be solved. Summary of the Invention

[0005] Aiming at the deficiencies and defects existing in the prior art, the present invention provides a test tool for a miniature current sensing module concentrator to realize the batch production test of the miniature current sensing module concentrator.

[0006] The purpose of the present invention can be achieved by the following technical solutions:

[0007] A test tool for a miniature current sensing module concentrator includes a power supply, a tooling bottom plate combination unit, a tooling housing thimble, 4 relay modules, 4 485 communication modules, 4 Ethernet communication modules, 3 sensors, and a switch.

[0008] The connection relationship is as follows: The power supply, 4 relay modules, 4 485 communication modules, 4 Ethernet communication modules, 3 sensors and the switch are fixed on the tooling bottom plate combination unit; The micro current sensing module concentrator is connected to 4 relay modules and 4 485 communication modules through its interface and the tooling housing thimble; The power supply is connected to 4 relay modules, 4 485 communication modules and 4 Ethernet communication modules; The 4 Ethernet communication modules are connected to the host computer through the switch.

[0009] Further, the only housing barcode on the micro current sensing module concentrator is used as its communication address with the host computer.

[0010] Further, the preset channels of the 3 sensors are the same as those of the micro current sensing module concentrator.

[0011] Further, the test tooling realizes the parallel test of the basic functions of the micro current sensing module concentrator by sending test instructions from the host computer;

[0012] The test instructions include reading the software and hardware versions, setting the internal protocol parameters, reading the internal protocol parameters, setting the uplink communication parameters, reading the uplink communication parameters, reading the sensor parameters and the relay control instructions.

[0013] The beneficial technical effects of the present invention: The parallel test of the functions of the micro current sensing module concentrator is realized through the test tooling, thereby realizing the batch testing of the micro current sensing module concentrator in the production process, reducing the testing intensity and difficulty of the staff, improving the production testing efficiency, and having high promotion value. Description of the Drawings

[0014] Figure 1 It is a structural schematic diagram of the present invention. Detailed Embodiment

[0015] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and do not limit the present invention.

[0016] Embodiment:

[0017] As Figure 1 shown, a test tooling for a micro current sensing module concentrator includes a power supply, a tooling bottom plate combination unit 2, a tooling housing thimble 7, 4 relay modules 3, 4 485 communication modules 4, 4 Ethernet communication modules 5, 3 sensors 11 and a switch 6.

[0018] The connection relationship is as follows: The power supply module 1, 4 relay modules 3, 4 485 communication modules 4, 4 Ethernet communication modules 5, 3 sensor modules 11 and the switch 6 are fixed on the tooling bottom plate combination unit 2; The micro current sensing module concentrator 9 is connected to 4 relay modules 3 and 4 485 communication modules 4 through its interface 8 and the tooling housing thimble 7; The power supply 1 is connected to 4 relay modules 3, 4 485 communication modules 4, and 4 Ethernet communication modules 5; The 4 Ethernet communication modules 5 are connected to the host computer 10 through the switch 6.

[0019] Use a barcode scanner 12 connected to the host computer 10 to scan the unique housing barcode on the micro current sensing module concentrator 9 as the communication address between the host computer 10 and the concentrator 9.

[0020] The host computer 10 selects the Ethernet module 5 through the switch 6, thereby selecting and controlling the test tooling.

[0021] The test tooling realizes the parallel test of the basic functions of the micro current sensing module concentrator 9 by sending test instructions through the host computer 10; The test instructions include reading software and hardware versions, setting internal protocol parameters, reading internal protocol parameters, setting upstream communication parameters, reading upstream communication parameters, reading sensor parameters, and relay control instructions.

[0022] The host computer 10 unifies the above test instructions into a complete instruction scheme for testing, and can simultaneously test 4 micro current sensing module concentrators. Specifically:

[0023] The relay control instruction sent by the host computer 10 is conveyed to the relay module 3 through the Ethernet communication module 5 and the tooling bottom plate combination unit 2, and the power supply to the micro current sensing module concentrator 9 is controlled by controlling the on and off of the relay module 3.

[0024] The host computer 10 sends a test instruction to read sensor parameters, which is forwarded by the 485 communication module 4 to the micro current sensing module concentrator 9 through the switch 6, the Ethernet communication module 5, and the tooling bottom plate combination unit 2. Whether the micro current sensing module concentrator 9 performs the sensor reading instruction is used to detect whether this function is normal.

[0025] The host computer 10 sends a test instruction to read upstream communication parameters, which is forwarded by the 485 communication module 4 to the micro current sensing module concentrator 9 through the switch 6, the Ethernet communication module 5, and the tooling bottom plate combination unit 2; Whether the micro current sensing module concentrator 9 performs the upstream communication parameter reading is used to detect whether this function is normal.

[0026] The host computer 10 sends an instruction to test and set the uplink communication parameters. It is forwarded by the switch 6, the Ethernet communication module 5, the tooling baseboard combination unit 2, and then forwarded by the 485 communication module 4 to the micro current sensing module concentrator 9. Whether the micro current sensing module concentrator 9 performs uplink communication parameter setting is used to detect whether this function is normal.

[0027] The host computer 10 sends an instruction to test and read the internal protocol parameters. It is forwarded by the switch 6, the Ethernet communication module 5, the tooling baseboard combination unit 2, and then forwarded by the 485 communication module 4 to the micro current sensing module concentrator 9. Whether the micro current sensing module concentrator 9 performs internal protocol parameter reading is used to detect whether this function is normal.

[0028] The host computer 10 sends an instruction to test and set the internal protocol parameters. It is forwarded by the switch 6, the Ethernet communication module 5, the tooling baseboard combination unit 2, and then forwarded by the 485 communication module 4 to the micro current sensing module concentrator 9. Whether the micro current sensing module concentrator 9 performs internal protocol parameter setting is used to detect whether this function is normal.

[0029] The host computer 10 sends an instruction to read the software and hardware versions. It is forwarded by the switch 6, the Ethernet module 5, the tooling baseboard unit 2, and then forwarded by the 485 communication module 4 to the micro current sensing module concentrator 9. Whether the micro current sensing module concentrator 9 performs software and hardware version reading is used to detect whether this function is normal.

[0030] The host computer 10 sends a 433 communication test instruction, which is directly transmitted to the sensor module 11 by wireless means; the sensor module 11 sends a wireless communication request to the micro current sensing module concentrator 9; whether the host computer 10 receives a reply from the micro current sensing module concentrator 9 is used to determine the 433 communication status between the micro current sensing module concentrator 9 and the sensor module 11.

[0031] The above embodiments are descriptions of the specific implementation manners of the present invention, rather than limitations on the present invention. Those skilled in the relevant technical fields can also make various transformations and changes without departing from the spirit and scope of the present invention to obtain corresponding equivalent technical solutions. Therefore, all equivalent technical solutions should be included in the patent protection scope of the present invention.

Claims

1. A test tool for a micro current sensing module concentrator, characterized in that The modular integrated architecture includes a power supply, a tooling baseboard combination unit, a tooling housing ejector pin, 4 relay modules, 4 485 communication modules, 4 Ethernet communication modules, 3 sensors and a switch; The connection relationship is as follows: the power supply, 4 relay modules, 4 485 communication modules, 4 Ethernet communication modules, 3 sensors and the switch are fixed on the tooling baseboard combination unit; the micro current sensing module concentrator is connected to 4 relay modules and 4 485 communication modules through its interface and the tooling housing ejector pin; the power supply is connected to 4 relay modules, 4 485 communication modules and 4 Ethernet communication modules; the 4 Ethernet communication modules are connected to the host computer through the switch; The unique housing barcode on the micro current sensing module concentrator is used as its communication address with the host computer; The preset channels of the 3 sensors are the same as those of the micro current sensing module concentrator; The test tooling realizes the parallel test of the basic functions of the micro current sensing module concentrator by sending test instructions through the host computer; the test instructions include reading software and hardware versions, setting internal protocol parameters, reading internal protocol parameters, setting upstream communication parameters, reading upstream communication parameters, reading sensor parameters and relay control instructions.

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