Portable power distribution terminal automatic testing device
By designing a portable automatic testing device for power distribution terminals, the problems of large size, heavy weight, and low automation of traditional testing devices have been solved. This device enables portable and automated testing, improves testing efficiency and accuracy, adapts to various types of power distribution terminals, and reduces testing costs.
Patent Information
- Application Number
- CN202521738758.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-15
- Publication Date
- 2026-08-04
- Estimated Expiration
- 2035-08-15
AI Technical Summary
Traditional power distribution terminal testing devices are large and heavy, making them inconvenient to carry. The testing process is cumbersome, with low automation and insufficient compatibility, making it difficult to meet the rapid testing needs in different scenarios.
A portable automatic testing device for power distribution terminals was designed, including a test host component and a connection component. It is equipped with a core control module, an analog output module, an input/output module, a communication module, a power supply module, and a human-machine interaction module. It supports multiple interface adaptations, has automated testing functions and automatic report generation, and is compatible with various power distribution terminal types.
It enables portable and automated testing, improves testing efficiency, reduces manual operation, ensures the comprehensiveness and accuracy of test results, adapts to the needs of different testing locations, and reduces testing costs.
Smart Images

Figure CN224594754U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electrical electrification technology, and in particular to a portable automatic testing device for power distribution terminals. Background Technology
[0002] Distribution terminals (such as FTUs, DTUs, and TTUs) play a crucial role in power systems, and their performance stability and accuracy directly affect the safe operation of the power system. Comprehensive testing is required at each stage of distribution terminal development, manufacturing, delivery, field commissioning, and grid connection testing.
[0003] Traditional testing devices are often bulky, heavy, and inconvenient to carry. Furthermore, the testing process is cumbersome and lacks automation, making it difficult to meet the rapid testing needs of different scenarios. In addition, different types of power distribution terminal interfaces vary significantly, leading to insufficient compatibility of testing devices and resulting in low testing efficiency. Therefore, there is an urgent need for a portable, automated, and highly compatible power distribution terminal testing device. Utility Model Content
[0004] Therefore, it is necessary to provide a portable automatic testing device for power distribution terminals to address the above-mentioned problems.
[0005] This utility model is achieved through the following technical solution: A portable automatic testing device for power distribution terminals includes: a test host component and a connection component.
[0006] The test host components include a housing, a core control module, an analog output module, an input / output module, a communication module, and a power supply module; the housing has multiple interface mounting areas; the core control module is located inside the housing and is electrically connected to the analog output module, the input / output module, the communication module, and the power supply module respectively; The connection components include various aviation plug tooling lines adapted to different types of power distribution terminals, and the aviation plug tooling lines are detachably connected to the housing.
[0007] Furthermore, the test host component also includes a human-computer interaction module, which includes an external rugged tablet computer. The rugged tablet computer is wirelessly connected to the core control module via WiFi, and the rugged tablet computer has a dedicated test interface for network configuration detection.
[0008] Furthermore, the analog output module includes a conventional analog output unit, a small-signal analog output unit, and a digital output unit; the conventional analog output unit, the small-signal analog output unit, and the digital output unit are electrically connected to the core control module, and all are detachably connected to the aviation plug tooling line through the interfaces of the corresponding interface mounting areas on the housing.
[0009] Furthermore, the input / output module includes 8 remote signaling input channels and 8 output channels. The input and output channels are electrically connected to the core control module, and both are detachably connected to the aviation plug tooling line through the interfaces of the corresponding interface installation area on the housing.
[0010] Furthermore, the communication module includes three Ethernet interfaces, a WiFi unit, and a 4G communication unit; the Ethernet interfaces, WiFi unit, and 4G communication unit are electrically connected to the core control module, and the three Ethernet interfaces and 4G communication unit are connected to external devices or lines through the interfaces in the corresponding interface mounting areas on the housing.
[0011] Furthermore, the power module includes a built-in battery and an external charger; the built-in battery and the external charger are electrically connected to the core control module respectively, the external charger is connected to an external power source through an interface in the corresponding interface mounting area on the housing, and the built-in battery is located inside the housing.
[0012] Furthermore, the aero-mounted tooling line includes an aero-mounted tooling line adapted for electromagnetic FTUs.
[0013] Compared with the prior art, the present invention has the following beneficial effects: This invention, through its core control module and pre-set test cases, can automatically complete various testing tasks, reducing manual operation and improving testing efficiency. Test result reports are automatically generated, including non-compliance conclusions and judgment criteria, facilitating test data analysis and organization. The device is small and lightweight, equipped with a built-in battery, allowing operation without an external power supply, making it suitable for use in mobile scenarios such as field testing, meeting the needs of different testing locations. It is equipped with various aviation plug tooling lines, adaptable to different types of power distribution terminals such as FTUs (electromagnetic and electronic) and DTUs (centralized and distributed), eliminating the need for separate testing devices for different terminals and reducing testing costs. Integrating analog output, input / output, communication, and time synchronization functions, it can comprehensively test various performance indicators of power distribution terminals, ensuring comprehensive and accurate testing. Human-computer interaction is achieved through a rugged tablet computer with a clear interface and simple operation; it automatically connects to the host upon startup, allowing testers to quickly learn and use it. Attached Figure Description
[0014] Figure 1 A schematic diagram of the overall structure of the portable automatic testing device for power distribution terminals in this embodiment of the present invention; Figure 2 This is a schematic diagram of the analog output module in this embodiment; Figure 3 This is a schematic diagram of the input / output module in this embodiment; Figure 4 This is a schematic diagram of the communication module in this embodiment; Figure 5This is a schematic diagram of the power module structure in this embodiment; Figure 6 This is a three-dimensional structural diagram of the portable power distribution terminal automatic testing device in the embodiments of this utility model; Figure 7 for Figure 1 A top view of the portable automatic testing device for power distribution terminals. Figure 8 This is a schematic diagram illustrating the use of the electromagnetic FTU aircraft plug in this embodiment; Figure 9 This is a schematic diagram of the use of the electronic FTU aircraft plug in this embodiment; Figure 10 This is a schematic diagram of the centralized DTU connector interface in this embodiment; Figure 11 This is a schematic diagram of the distributed DTU connector interface in this embodiment; In the diagram: 11. Test host component; 111. Housing; 112. Core control module; 113. Analog output module; 1131. Conventional analog output unit; 1132. Small signal analog output unit; 1133. Digital output unit; 114. Input / output module; 1141. Input channel; 1142. Output channel; 115. Communication module; 1151. Ethernet interface; 1152. WiFi unit; 1153. 4G communication unit; 116. Power module; 1161. Built-in battery; 1162. External charger; 117. Human-machine interface module; 118. Rugged tablet PC; 12. Connecting components; 121. Aviation connector tooling line. Detailed Implementation
[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0016] It should be noted that when a component is said to be "installed on" another component, it can be directly on the other component or it may be in a component that is centered on it. When a component is said to be "set on" another component, it can be directly set on the other component or it may also be in a component that is centered on it. When a component is said to be "fixed to" another component, it can be directly fixed to the other component or it may also be in a component that is centered on it.
[0017] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "or / and" as used herein includes any and all combinations of one or more of the associated listed items.
[0018] Example 1: Please refer to Figures 1-11 This embodiment provides a portable automatic testing device for power distribution terminals, including a test host component 11 and a connection component 12.
[0019] The test host assembly includes a housing 111, a core control module 112, an analog output module 113, an input / output module 114, a communication module 115, and a power supply module 116; the housing 111 has multiple interface mounting areas; the core control module 112 is located inside the housing 111 and is electrically connected to the analog output module 113, the input / output module 114, the communication module 115, and the power supply module 116 respectively; The test host component 11 also includes a human-computer interaction module 117, which includes an external rugged tablet computer 118. The rugged tablet computer 118 is wirelessly connected to the core control module 112 via WiFi, and the rugged tablet computer 118 has a dedicated test interface for network configuration detection.
[0020] The analog output module 113 includes a conventional analog output unit 1131, a small-signal analog output unit 1132, and a digital output unit 1133. These three units are electrically connected to the core control module 112 and are detachably connected to the aviation connector tooling line 121 via interfaces in the corresponding interface mounting areas on the housing 111. The conventional analog output unit 1131 outputs four 0-12A current signals and four 0-264V voltage signals; the small-signal analog output unit 1132 outputs four small-signal current (ECT) signals and four small-signal voltage (EVT) signals; and the digital output unit 1133 supports IEC60870-5-1FT3 format output.
[0021] The input / output module 114 includes 8 remote signaling input channels 1141 and 8 output channels 1142. The 8 remote signaling input channels 1141 and 8 output channels 1142 are electrically connected to the core control module 112, and are detachably connected to the aviation connector tooling line 121 via interfaces in the corresponding interface mounting areas on the housing 111. Input channels 1141 support both passive and active modes; output channels 1142 have a synchronization accuracy ≤100μs and a blocking capacity of DC250V100mA.
[0022] The communication module 115 includes three Ethernet interfaces 1151, a WiFi unit 1152, and a 4G communication unit 1153. These interfaces are electrically connected to the core control module 112. The Ethernet interfaces 1151 and 4G communication unit 1153 are connected to external devices or lines through interfaces in the corresponding mounting areas on the housing 111. The Ethernet interfaces 1151 function as a switch and support IPv1 and IPv4 protocols. The WiFi unit 1152 connects to the rugged tablet 118. The 4G communication unit 1153 enables network communication via a SIM card.
[0023] The power module 116 includes a built-in battery 1161 and an external charger 1162. Both the built-in battery 1161 and the external charger 1162 are electrically connected to the core control module 112. The external charger 1162 is connected to an external power source via an interface in the corresponding mounting area on the housing 111. The built-in battery 1161 is housed within the housing 111. The built-in battery 1161 has a capacity of 12800mAh, a standby time of >10 hours, and a continuous testing time of >4 hours. The external charger 1162 has a rated voltage of AC220V and an allowable deviation of -20% to +15%. The power module 116 also provides two DC outputs: DC24V >60W and DC48V >60W.
[0024] The connection component 12 includes various aviation plug tooling lines 121 adapted to different types of power distribution terminals, and the aviation plug tooling lines 121 are detachably connected to the housing 111.
[0025] The aviation connector tooling line 121 includes: a power and voltage interface No. 1 for electromagnetic FTUs, 6-pin and No. 2 current interfaces, 6-pin and No. 3 control signal and zero-sequence voltage interfaces, and a 14-pin aviation connector cable; a power interface No. 4 for electronic FTUs, 6-pin and No. 5 voltage and current interfaces, 14-pin and No. 6 control signal interfaces, 10-pin and No. 7 backup power interfaces, and a 5-pin aviation connector cable; a core unit bay No. 8 for centralized DTUs, 26+1-pin rectangular connectors, core unit voltage / power supply No. 9, and a 32+1-pin rectangular connector aviation connector cable; and a electromagnetic type No. 10 for distributed DTUs, with a 32+1-pin rectangular connector aviation connector cable.
[0026] In summary, the portable automatic testing device for power distribution terminals in this embodiment, through the core control module 112 and preset test cases, can automatically complete various testing tasks, reducing manual operation and improving testing efficiency. Test result reports are automatically generated, including non-compliance conclusions and judgment criteria, facilitating the analysis and organization of test data. The device is small in size and lightweight, equipped with a built-in battery, allowing it to operate without an external power supply, making it convenient for use in mobile scenarios such as field testing, meeting the needs of different testing locations. Equipped with various aviation plug tooling lines 121, it can adapt to different types of power distribution terminals such as FTUs (electromagnetic and electronic) and DTUs (centralized and distributed), eliminating the need for separate testing devices for different terminals and reducing testing costs. Integrating multiple functions such as analog output, input / output, communication, and time synchronization, it can comprehensively test various performance indicators of the power distribution terminal, ensuring the comprehensiveness and accuracy of the test. Human-computer interaction is achieved through a rugged tablet computer 118, with a clear interface and simple operation. It automatically connects to the host upon startup, allowing testers to quickly learn how to use it.
[0027] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0028] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A portable power distribution terminal automatic testing device, characterized by, It includes: The test host component (11) includes a housing (111), a core control module (112), an analog output module (113), an input / output module (114), a communication module (115), and a power supply module (116). The housing (111) has multiple interface mounting areas. The core control module (112) is located inside the housing (111) and is electrically connected to the analog output module (113), the input / output module (114), the communication module (115), and the power supply module (116), respectively. The connection component (12) includes a variety of aviation plug tooling lines (121) adapted to different types of power distribution terminals, and the aviation plug tooling lines (121) are detachably connected to the housing (111).
2. The portable automatic testing device for power distribution terminals according to claim 1, characterized in that, The test host component (11) also includes a human-computer interaction module (117), which includes an external rugged tablet computer (118). The rugged tablet computer (118) is wirelessly connected to the core control module (112) via WiFi. The rugged tablet computer (118) is equipped with a dedicated test interface for network distribution detection.
3. The automatic testing device for portable power distribution terminal according to claim 1, characterized in that, The analog output module (113) includes a conventional analog output unit (1131), a small signal analog output unit (1132), and a digital output unit (1133). The conventional analog output unit (1131), the small signal analog output unit (1132), and the digital output unit (1133) are electrically connected to the core control module (112) respectively, and are all detachably connected to the aviation plug tooling line (121) through the interface of the corresponding interface installation area on the housing (111).
4. The portable automatic testing device for power distribution terminals according to claim 3, characterized in that, The input / output module (114) includes 8 remote signaling input channels (1141) and 8 output channels (1142). The input channels (1141) and output channels (1142) are electrically connected to the core control module (112) respectively, and are detachably connected to the aviation plug tooling line (121) through the interface of the corresponding interface installation area on the housing (111).
5. The automatic testing device for portable power distribution terminal according to claim 2, characterized in that, The communication module (115) includes three Ethernet interfaces (1151), a WiFi unit (1152), and a 4G communication unit (1153). The Ethernet interfaces (1151), WiFi unit (1152), and 4G communication unit (1153) are electrically connected to the core control module (112), and the three Ethernet interfaces (1151) and 4G communication unit (1153) are connected to external devices or lines through the interfaces of the corresponding interface mounting areas on the housing (111).
6. The automatic testing device for portable power distribution terminal according to claim 1, characterized in that, The power module (116) includes a built-in battery (1161) and an external charger (1162); the built-in battery (1161) and the external charger (1162) are electrically connected to the core control module (112) respectively; the external charger (1162) is connected to an external power source through an interface in the corresponding interface mounting area on the housing (111); and the built-in battery (1161) is disposed inside the housing (111).
7. The automatic testing device for portable power distribution terminal according to claim 1, characterized in that, The aircraft insertion tooling line (121) includes an aircraft insertion line adapted to electromagnetic FTUs.