Portable testing device for electrical interface equipment
By designing a portable testing device with highly integrated interface panels and circuit modules, the problem of a rudimentary and messy electrical interface testing environment was solved, enabling efficient electrical testing operations.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-03-27
AI Technical Summary
The existing electrical interface testing environment is rudimentary, with poor signal shielding and reliability. The testing process is chaotic, inefficient, and requires a lot of manual wiring.
A portable testing device was designed, comprising multiple interface panels and internal circuit modules. It is highly integrated and provides complete test ports, suitable for GJB1188 electrical interface devices, including bus ports, RF ports, power interfaces, and display and control interfaces, facilitating operation and disassembly.
It achieves the integration and generalization of test ports, improves test efficiency, simplifies operation procedures, and is suitable for complete electrical testing, monitoring and conditioning of signal status of GJB1188 electrical interface equipment.
Smart Images

Figure CN224052318U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electrical test equipment field, concretely relates to a portable testing device for electrical interface equipment. BACKGROUND
[0002] According to equipment development requirement, the suspension needs to carry out a series of tests in the performance appraisal stage, including aircraft / suspension electrical interface test. In order to obtain test data, the test must provide working power, physical address, release permission and other line control for various suspensions, impedance, voltage and current conditioning of discrete signals, and voltage and current monitoring and acquisition on each line. In actual testing, the electrical interface test project of a type of suspension is more than 100, and each test needs to build a test environment separately, including cable connection, test point distribution, bus logic control, address configuration, power control, etc., which is often connected through various dispersed circuit boards (strong, weak) and complex lines. On the one hand, such test environment is simple, poor in signal shielding and poor in reliability; on the other hand, such test environment needs a lot of manual connection, and the test process is messy, so the test efficiency is low.
[0003] In summary, there is an urgent need to research a general portable testing device for electrical interface equipment to solve the above problems. CONTENT OF THE UTILITY MODEL
[0004] To solve the above problems of the prior art, the purpose of the utility model is to provide a portable testing device for electrical interface equipment, which provides complete test ports, is highly integrated, has strong universality, can solve the mess problem of test ports in the test process, is convenient to disassemble, simple to operate, and improves the test efficiency.
[0005] Specifically, the technical scheme adopted by the utility model is:
[0006] A portable testing device for electrical interface equipment, comprising a test device body and a plurality of interface panels;
[0007] The plurality of interface panels are respectively arranged on the front wall and the rear wall of the test device body, and the plurality of interface panels are respectively provided with connectors connected to the electrical interface equipment to be tested, test ports, communication interfaces, power interfaces and display control interfaces;
[0008] The test device body is internally provided with circuit modules corresponding to and electrically connected with the connectors, test ports, communication interfaces, power interfaces and display control interfaces;
[0009] The test ports include bus ports, RF ports, power signal ports and discrete quantity input and output ports;
[0010] The communication interface comprises a first bus interface, a second bus interface, a first high-bandwidth interface, a second high-bandwidth interface, a third high-bandwidth interface, and a fourth high-bandwidth interface.
[0011] The power supply interface comprises a first main 28V DC power supply interface, a second main 28V DC power supply interface, and an auxiliary 28V DC power supply interface, a main 115V DC power supply interface, an auxiliary 115V DC power supply interface, a main 270V DC power supply interface, an auxiliary 270V DC power supply interface, a first drop-allowed power supply interface, a second drop-allowed power supply interface, a main interlocking power supply interface, and an auxiliary interlocking power supply interface.
[0012] The display control interface comprises a voltage / current signal display interface, a switch control interface, an address impedance adjustment interface, and an interlocking impedance adjustment interface.
[0013] Preferably, the electrical interface device to be tested comprises an electrical interface device and a voltage acquisition electrical interface; the electrical interface device is a GJB1188 electrical interface device, the bus port is a GJB289 bus port, and the first bus interface and the second bus interface are GJB289 bus interfaces.
[0014] Preferably, the plurality of interface panels comprises a rear panel and a front panel, the rear panel is arranged on the front wall of the test device body, and the front panel is arranged on the rear wall of the test device body.
[0015] Preferably, the rear panel is arranged with connectors connected to the electrical interface device to be tested and the power supply interface, and the front panel is arranged with test ports, communication interfaces, and display control interfaces.
[0016] Preferably, the circuit module arranged inside the test device body comprises a power conversion module corresponding to the power supply interface, a switch debouncing circuit module for discrete quantity input and output, a current test circuit module, and an address control circuit module.
[0017] Preferably, handles are arranged on the two side walls of the test device body.
[0018] Preferably, the bottom plate of the test device body is provided with a cylindrical base.
[0019] Preferably, the front panel and the rear panel are both in the form of a vertical plate.
[0020] Preferably, the upper wall of the test device body is provided with an upper panel, and the upper panel is connected with the front panel, the rear panel, and the two side walls of the test device.
[0021] Preferably, the connection portions of the front panel, the rear panel, and the upper panel are clamped to each other or fastened and spliced by bolts.
[0022] Compared with the prior art, the utility model have the advantages that:
[0023] (1) the utility model discloses a connector of the electrical interface equipment to be measured, corresponding test port, communication interface and power interface etc.
[0024] (2) the utility model discloses the comprehensive test device of being suitable for the electrical test of GJB1188 electrical interface equipment, and the test port of rich and perfect arrangement is arranged on the interface board, for example GJB289 bus port, RF port, power signal port, discrete quantity input and output port etc.
[0025] (3) the connector of the rear panel of the utility model can be used for inserting the GJB1188 electrical interface equipment and power cable to be measured, and the front side panel can be used for inserting GJB289 communication cable and high bandwidth cable, and the test port on the front side panel can realize the input of multiple signal quantities, output, and the display control interface on the front side panel can realize the monitoring of interface function state and signal conditioning, to realize complete electrical test.
[0026] (4) the circuit module in the test device body of the utility model can realize power conversion, switch debouncing, current conversion voltage quantity and address control, realizes function comprehensive, and the structure is more integrated, and it is convenient to test operation. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 It is the three-dimensional structure schematic diagram of portable test device for electrical interface equipment of the utility model;
[0028] Figure 2 It is the structure schematic diagram of front panel of portable test device for electrical interface equipment of the utility model;
[0029] Figure 3The utility model is used for the structure schematic drawing of the rear panel of portable testing device of electrical interface equipment.
[0030] Figure 4 The utility model is used for the bottom view of portable testing device of electrical interface equipment. DETAILED DESCRIPTION
[0031] The embodiments of the utility model are explained below with reference to the drawings.
[0032] The utility model provides a kind of portable testing device for electrical interface equipment, as shown in Figures 1 to 4 It includes testing device body 101 and multiple interface panels 102.
[0033] Multiple interface panels 102 are respectively arranged on the front wall and the back wall of testing device body 101, and multiple interface panels 101 are respectively arranged with connector 8 connected to the electrical interface equipment to be tested, test port, communication interface, power interface 9 and display control interface.Simultaneously, testing device body 101 is internally provided with circuit module corresponding and electrically connected with connector 8, test port, communication interface, power interface 9 and display control interface.
[0034] The electrical interface equipment to be tested includes GJB1188 electrical interface equipment and voltage acquisition electrical interface.Test port includes bus port, RF port, power signal port and discrete quantity input and output port.Communication interface includes first bus interface, second bus interface, first high bandwidth interface, second high bandwidth interface, third high bandwidth interface and fourth high bandwidth interface.
[0035] Power interface 9 includes first 28V main DC power interface, second 28V main DC power interface and 28V auxiliary DC power interface, 115V main DC power interface, 115V auxiliary DC power interface, 270V main DC power interface, 270V auxiliary DC power interface, first drop allowance power interface, second drop allowance power interface, main interlock power interface and auxiliary interlock power interface.Power interface 9 is used for inserting the GJB1188 electrical interface equipment to be tested, and supplies power for the GJB1188 electrical interface equipment to be tested.
[0036] Display control interface is divided into display control interface area 1, display control interface area 2, display control interface area 3 and display control interface area 4, and is respectively used for voltage / current signal display interface, switch control interface, address impedance adjustment interface and interlock impedance adjustment interface.
[0037] The structure of the utility model is further explained as follows:
[0038] As Figure 1As shown, the utility model provides a portable testing device for electrical interface equipment, taking GJB1188 electrical interface equipment as an example, including testing device body and install in the front panel and rear panel of testing device body periphery side.
[0039] As Figure 2 And Figure 3 As shown, the front panel and rear panel structure schematic diagram of the testing device respectively, wherein, the front panel 103 of portable testing device adopts vertical board structure, including display control interface area 1, display control interface area 2, display control interface area 3, display control interface area 4, testing port area 1 and testing port area 2, for realizing GJB1188 electrical interface equipment state monitoring, interface control, signal conditioning and electrical test. The rear panel 104 adopts vertical board structure, including device power supply interface 7, the connector 8 of electrical interface equipment under test and power interface 9, for inserting the GJB1188 electrical interface equipment under test, for the GJB1188 electrical interface equipment under test power supply.
[0040] As Figure 2 As shown, the front panel is sequentially arranged with display control interface area 1, display control interface area 2, display control interface area 3, display control interface area 4, testing port area 1 and testing port area 2, wherein display control interface area 1 is located in the uppermost of the entire front panel, including four display screens in the upper part of the front panel, for displaying the power supply parameters provided for the working of GJB1188 electrical interface equipment, including voltage and current;Display control interface area 2 is located below display control interface area 1, for controlling the power supply and address variation "0" / "1" of GJB1188 electrical interface equipment through the connector 8 and power interface 9, display control interface area 2 includes five electrical interfaces on the left and ten address variations in the middle and right. Display control interface area 3 is located below the left side of display control interface area 2, for configuring and adjusting address impedance, by adjusting to make voltage or current meet the test requirements, display control interface area 3 includes five switches on the upper side and twelve adjusting knobs on the lower side. Display control interface area 4 is used for adjusting interlock impedance, by adjusting to make current meet the test requirements, display control interface area 4 is located below the right side of display control interface area 2, including two adjusting knobs. Testing port area 1 is located below the middle of display control interface area 2, testing port area 2 is located in the lowermost of the entire front panel, testing port area 1 and testing port area 2 are used for inserting external equipment, for measuring the electrical characteristics of various electrical signals in the electrical connection of GJB1188 electrical interface equipment.
[0041] The rear panel is arranged with a device power supply interface 7, a connector and a power supply interface for receiving electrical interface equipment, wherein the device power supply interface 7 is used for connecting commercial power to provide working power for the device; the connector and the power supply interface region 8 is used for providing connection of the main interface and the voltage test interface of the GJB1188 electrical interface equipment, and simultaneously providing the first main DC 28V power input interface, the second main DC 28V power input interface, the main DC 270V power input interface, the main AC 115V power input interface, the launch permission power input interface and the main interlocking power input interface for external power input to the main interface of the GJB1188 electrical interface equipment; the connector and the power supply interface region 9 is used for providing connection of the auxiliary interface and the voltage test interface of the GJB1188 electrical interface equipment, and simultaneously providing the auxiliary DC 28V power input interface, the auxiliary DC 270V power input interface, the auxiliary AC 115V power input interface and the auxiliary interlocking power input interface for external power input to the auxiliary interface of the GJB1188 electrical interface equipment.
[0042] The upper part of the test device body is further provided with an upper panel 106 connected with other panels and the main body for maintenance.
[0043] The connecting portions corresponding to each other are arranged at the connecting positions of the front panel 103, the rear panel 104 and the upper panel 106, the connecting portions can be formed by a clamping structure of a convex portion and a concave portion, the three interface panels are clamped with each other to form the box of the portable test device, or the connecting portions can be fastened and connected by bolts to form the box of the portable test device, thereby protecting the circuit modules in the device.
[0044] The above-described embodiments are only used to describe the preferred embodiments of the present application, and do not limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application.
Claims
1. A portable test device for electrical interface equipment, characterized by: It includes a test device body and a plurality of interface panels; the plurality of interface panels are respectively arranged on the front wall and the rear wall of the test device body, and the plurality of interface panels are respectively arranged with connectors connected to the electrical interface equipment to be tested, test ports, communication interfaces, power interfaces and display control interfaces; the test device body is internally provided with circuit modules corresponding to and electrically connected with the connectors, test ports, communication interfaces, power interfaces and display control interfaces; The test port includes a bus port, an RF port, a power signal port and a discrete quantity input and output port; the communication interface includes a first bus interface, a second bus interface, a first high-bandwidth interface, a second high-bandwidth interface, a third high-bandwidth interface and a fourth high-bandwidth interface; the power interface includes a first main 28V DC power interface, a second main 28V DC power interface and an auxiliary 28V DC power interface, a main 115V DC power interface, an auxiliary 115V DC power interface, a main 270V DC power interface, an auxiliary 270V DC power interface, a first drop allowance power interface, a second drop allowance power interface, a main interlocking power interface and an auxiliary interlocking power interface; the display control interface includes a voltage / current signal display interface, a switch control interface, an address impedance adjustment interface and an interlocking impedance adjustment interface.
2. The portable test device for electrically interfaced equipment of claim 1, wherein: The electrical interface equipment to be tested includes an electrical interface equipment and a voltage acquisition electrical interface; the electrical interface equipment is a GJB1188 electrical interface equipment, the bus port is a GJB289 bus port, and the first bus interface and the second bus interface are GJB289 bus interfaces.
3. The portable test device for electrically interfacing equipment of claim 1, wherein: The plurality of interface panels include a rear panel and a front panel, the rear panel is arranged on the front wall of the test device body, and the front panel is arranged on the rear wall of the test device body.
4. The portable test device for electrically interfacing equipment of claim 3, wherein: The rear panel is arranged with connectors connected to the electrical interface equipment to be tested and power interfaces, and the front panel is arranged with test ports, communication interfaces and display control interfaces.
5. The portable test device for electrically interfacing equipment of claim 1, wherein: The circuit modules arranged inside the test device body include a power conversion module corresponding to the power interface, a switch de-bouncing circuit module of discrete quantity input and output, a current test circuit module and an address control circuit module.
6. The portable test device for electrically interfacing equipment of claim 1, wherein: Handles are respectively arranged on the two side panels of the test device body.
7. The portable test device for electrically interfacing equipment of claim 1, wherein: The bottom plate of the test device body is provided with a cylindrical base.
8. The portable test device for electrically interfacing equipment of claim 3, wherein: The front panel and the rear panel are both in a vertical panel structure.
9. The portable test device for electrically interfacing equipment of claim 8, wherein: An upper panel is arranged on the upper wall of the test device body, and the upper panel is connected with the front panel, the rear panel and the two side walls of the test device.
10. The portable test device for electrically interfacing equipment of claim 9, wherein: The connection portions of the front panel, the rear panel and the upper panel are clamped with each other or spliced by bolts.