Testing device for central control unit of motor train unit

Abstract

A testing device for a central control unit of a motor train unit comprises a shell (10), a cable (20), an operation button assembly (30) and a wiring socket (40), the shell (10) comprises an upper cover (12) and a lower shell (14), the upper cover (12) is detachably connected with the lower shell (14), and the upper cover (12) and the lower shell (14) are closed to form a containing cavity. A cable (20) is disposed in the accommodating chamber and passes through the lower housing (14). The operation button assembly (30) is arranged on the upper cover (12), and each operation button (30) is connected with the cable (20). And each wiring jack (40) is arranged on the upper cover (12), and each wiring jack (40) is connected with the cable (20). According to the utility model, on-site test requirements can be met, and all ports in the CCU, including those which are not used in a project, can be tested at the same time.

Description

Technical Field

[0001] The utility model relates to a testing device, in particular to a testing device for a central control unit of an EMU. Background Art

[0002] The central control unit (CCU) of an EMU is a core component of an EMU or other complex system. It integrates multiple functional modules to control and manage various subsystems. The CCU usually includes a central processing card (CP card) and a signal board card. The CP card is responsible for processing and coordinating the operation of the entire CCU, and the signal board card is used to receive and send signals. These boards can process digital signals (such as switch status) and analog signals (such as voltage or current readings). In the daily maintenance of the CCU, it is crucial to test whether these boards are working properly. However, the CCU testing of existing EMUs is mainly carried out in network test cabinets in the laboratory. These test platforms cannot meet the needs of on-site testing, and some ports are not tested. Utility Model Content

[0003] The purpose of the utility model is to provide a test device for a central control unit of an EMU, which can meet the needs of on-site testing and can test all ports in the CCU, including those that are not used in the project.

[0004] The utility model provides a test device for a central control unit of an electric train unit, comprising a housing, a set of cables, an operating button assembly, and a set of wiring sockets. The housing comprises an upper cover and a lower housing, the upper cover being detachably connected to the lower housing. The upper cover and the lower housing are closed to form a receiving chamber. The cables are disposed in the receiving chamber and pass through the lower housing. The operating button assembly is disposed in the upper cover, each operating button being connected to the cables. The wiring sockets are disposed in the upper cover and each wiring socket is connected to the cables.

[0005] The utility model forms a accommodating chamber through the design of the upper cover and the lower shell, which protects the internal components from the influence of the external environment, facilitates the management and wiring of cables, and provides a EMU central control unit test device with a compact structure, easy to carry and use, making on-site testing possible.

[0006] In another exemplary embodiment of a test device for a central control unit of an EMU, a set of wiring holes is provided in the sidewall of the lower housing, through which cables are routed and connected to the EMU central control unit. Providing wiring holes in the sidewall of the lower housing allows cables to be routed directly and connected to the EMU central control unit, simplifying the connection process and improving the practicality and ease of operation of the test device.

[0007] In another exemplary embodiment of a test device for a central control unit of an EMU, the test device further includes a set of protective sleeves, each of which is plugged into a wiring hole, through which cables are threaded. This enhances protection for the cables, preventing damage from environmental factors (such as dust and moisture), thereby improving the durability and reliability of the test device.

[0008] In another schematic embodiment of a test device for a central control unit of an EMU, the operating button assembly includes a group of buttons and a group of lever switches. The buttons are evenly arranged in rows along the length direction of the upper cover and in several columns along the width direction of the upper cover to form a first monitoring part. The first monitoring part is located at the lower left corner of the upper cover, and each button is connected to a cable. The lever switches are evenly arranged in rows along the length direction of the upper cover and in several columns along the width direction of the upper cover to form a second monitoring part. The second monitoring part is located on the right side of the upper cover, and each lever switch is connected to a cable. By designing the first monitoring part and the second monitoring part, the operating button assembly can more intuitively correspond to the different functional modules of the CCU, thereby improving the accuracy and efficiency of the test. The uniform arrangement of buttons and lever switches makes the operation more intuitive and convenient, and reduces the possibility of operational errors.

[0009] In another exemplary embodiment of a test device for a central control unit of an EMU, the wiring sockets are evenly arranged in rows along the length of the upper cover and in columns along the width of the upper cover to form a third monitoring unit located in the upper left corner of the upper cover. The orderly arrangement of the wiring sockets forms the third monitoring unit, making wiring more standardized and orderly, facilitating management and maintenance, and also improving test accuracy. The design of the connection holes in the upper cover and the mounting slots in the lower shell facilitates assembly and disassembly of the test device, facilitating rapid deployment and recovery in different testing scenarios.

[0010] In another exemplary embodiment of a test device for a central control unit of an EMU, a plurality of connection holes are formed extending from the peripheral edge of the upper cover, and a plurality of installation slots are opened along the height direction of the lower shell, and the connection holes correspond to the installation slots.

[0011] In another exemplary embodiment of a test device for a central control unit of an EMU, the shell is made of insulating material.

[0012] The test device for the central control unit of an EMU of the present invention can test the CCU in a field environment, meeting the needs of field testing; it can test all ports in the CCU, including those that are not used in the project; the design of button components and wiring sockets improves the flexibility and accuracy of the test; and the use of an insulating material shell enhances the safety and durability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The following drawings only schematically illustrate and explain the present application and do not limit the scope of the present application.

[0014] Figure 1 It is a structure schematic view of a schematic embodiment of a testing device of a central control unit of a motor train unit.

[0015] Figure 2 It is a structure schematic view of a schematic embodiment of a testing device of a central control unit of a motor train unit.

[0016] Figure 3 It is a structure schematic view of a schematic embodiment of a testing device of a central control unit of a motor train unit.

[0017] Label explanation

[0018] 10 shell

[0019] 12 upper cover

[0020] 14 lower shell

[0021] 20 cable

[0022] 30 operation button assembly

[0023] 32 button

[0024] 34 dial lever switch

[0025] 40 wiring socket

[0026] 50 protective sleeve

[0027] 60 status indicator light

[0028] 121 connecting hole

[0029] 141 wiring hole

[0030] 151 installation groove

[0031] 321 first monitoring part

[0032] 341 second monitoring part DETAILED DESCRIPTION

[0033] In order to have a clearer understanding of the technical features, objects and effects of the present application, the specific embodiments of the present application will be described with reference to the drawings, wherein the same reference numerals represent the same or similar parts having the same function.

[0034] In this document, "schematic" means "serving as an example, instance or illustration", and any drawing, embodiment described as "schematic" in this document should not be interpreted as a more preferred or more advantageous technical solution.

[0035] Figure 1 The figure is a schematic structural diagram of a schematic implementation of a test device for a central control unit of an EMU. Figure 1 As shown, a test device for a central control unit of an EMU includes a housing 10, a set of cables 20, an operating button assembly 30, and a set of wiring sockets 40. The housing 10 includes an upper cover 12 and a lower housing 14. The upper cover 12 is detachably connected to the lower housing 14. In this exemplary embodiment, the housing 10 is made of an insulating material to ensure the safety of the test device. The upper cover 12 and the lower housing 14 are closed to form a accommodating chamber. The cables 20 are arranged in the accommodating chamber and pass through the lower housing 14. The accommodating chamber can accommodate equipment such as cables. The operating button assembly 30 is arranged on the upper cover 12, and each operating button 30 is connected to the cable 20. The wiring sockets 40 are arranged on the upper cover 12, and each wiring socket 40 is connected to the cable 20. The accommodating chamber facilitates cable management and wiring. A set of wiring holes 141 are opened on the side wall of the housing 14, and the cables 20 pass through the wiring holes 141 and are connected to the central control unit of the EMU.

[0036] The testing device further includes a set of protective sleeves 50 . Each protective sleeve 50 is plugged into the wiring hole 141 . The cable 20 is passed through the protective sleeve 50 to prevent the cable 20 from being damaged by friction with the housing 10 .

[0037] Figure 2 The figure is a schematic structural diagram of a schematic implementation of a test device for a central control unit of an EMU. Figure 2 As shown, the operating button assembly 30 includes a set of buttons 32 and a set of lever switches 34. The buttons 32 are evenly arranged in rows along the length direction of the upper cover 12 and evenly arranged in several columns along the width direction of the upper cover 12 to form a first monitoring portion 321 ( Figure 2 The first monitoring unit 321 is located at the lower left portion of the upper cover 12 , and each button 32 is connected to the cable 20 .

[0038] The lever switches 34 are evenly arranged in rows along the length direction of the upper cover 12 and evenly arranged in columns along the width direction of the upper cover 12 to form a second monitoring portion 341 ( Figure 2 The second monitoring unit 341 is located on the right side of the upper cover, and each lever switch 34 is connected to the cable 20. Different monitoring units can receive different signals. For example, the second monitoring unit 341 can simulate a switch signal and send it to the converter card of the central control unit to monitor the converter card.

[0039] The wiring sockets 40 are evenly arranged in rows along the length direction of the upper cover 12 and evenly arranged in columns along the width direction of the upper cover 12 to form a third monitoring portion 41 ( Figure 2The third monitoring unit 41 is located in the upper left portion of the upper cover (the area outlined by the dashed line). In this exemplary embodiment, the third monitoring unit 41 can be connected to an external monitoring device (such as an oscilloscope to generate analog and digital signals) and send the analog and digital signals to the input / output analog board of the central control unit for monitoring.

[0040] like Figure 2 As shown, in this exemplary embodiment, the test device also includes a set of status indicator lights 60 arranged in the first monitoring section 321. When the test device is testing, the different states of the CCU board can be determined by observing the status indicator lights 60 lighting up and down. In this exemplary embodiment, three status indicator lights 60 are also provided on the upper portion of the second monitoring section 341, corresponding to the lever switch 34. This facilitates determining whether the test device is powered on. If the lights are on, it indicates power is on; if the lights are off, it indicates power is not on.

[0041] In this exemplary embodiment, the upper cover 12 is provided with a plurality of connection holes 121 extending from the peripheral edge thereof, and the lower shell 14 is provided with a plurality of mounting grooves 151 ( Figure 1 The connecting hole 121 corresponds to the mounting groove 151 and is connected by bolts during installation, thereby facilitating disassembly and subsequent maintenance.

[0042] Figure 3 The structure diagram of a schematic embodiment of a test device for a central control unit of an EMU is shown in FIG. When testing the central control unit of an EMU, first connect the cable 20 to the corresponding board of the CCU ( Figure 3 The CCU is connected to a computer, which monitors the CCU and displays its test status in real time. The operator can input test commands by operating the buttons 32 and lever switches 34 on the button assembly 30 to perform a functional test on the CCU. Furthermore, the CCU is connected to an external device via the wiring jack 40 to perform signal transmission and reception tests.

[0043] It should be understood that although this specification is described according to various embodiments, not every embodiment contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

[0044] The series of detailed descriptions listed above are merely specific descriptions of feasible embodiments of the present invention. They are not intended to limit the scope of protection of the present invention. Any equivalent implementation scheme or changes that do not depart from the technical spirit of the present invention, such as the combination, division or repetition of features, should be included in the scope of protection of the present invention.

Claims

1. A test device for the central control unit of an EMU, characterized in that: include: A housing (10) comprising an upper cover (12) and a lower housing (14), wherein the upper cover (12) is detachably connected to the lower housing (14), and the upper cover (12) and the lower housing (14) are closed to form a receiving chamber; a set of cables (20) disposed in the accommodating chamber and passing through the lower housing (14); an operating button assembly (30) disposed on the upper cover (12), each operating button assembly (30) being connected to the cable (20); and A group of wiring sockets (40), each of the wiring sockets (40) is arranged on the upper cover (12), and each of the wiring sockets (40) is connected to the cable (20).

2. The test device for the central control unit of an EMU according to claim 1, characterized in that: A group of wiring holes (141) are provided on the side wall of the lower housing (14), and the cables (20) are passed through the wiring holes (141) and connected to the EMU central control unit.

3. The test device for the central control unit of an EMU according to claim 2, characterized in that: The testing device further comprises a set of protective sleeves (50), each of the protective sleeves (50) is plugged into the wiring hole (141), and the cable (20) is passed through the protective sleeve (50).

4. The test device for the central control unit of an EMU according to claim 1, characterized in that: The operation button assembly (30) comprises: a group of buttons (32), the buttons (32) being evenly arranged in rows along the length direction of the upper cover (12) and evenly arranged in several columns along the width direction of the upper cover (12) to form a first monitoring portion (321), the first monitoring portion (321) being located at the lower left portion of the upper cover (12), each of the buttons (32) being connected to the cable (20), and A group of lever switches (34) are arranged evenly in rows along the length direction of the upper cover (12) and evenly in several columns along the width direction of the upper cover (12) to form a second monitoring portion (341). The second monitoring portion (341) is located on the right side of the upper cover (12). Each of the lever switches (34) is connected to the cable (20).

5. The test device for the central control unit of an EMU according to claim 1, characterized in that: The wiring sockets (40) are evenly arranged in rows along the length direction of the upper cover (12) and evenly arranged in several columns along the width direction of the upper cover (12) to form a third monitoring portion (41). The third monitoring portion (41) is located at the upper left portion of the upper cover.

6. The test device for the central control unit of an EMU according to claim 1, characterized in that: Several connection holes (121) are formed along the peripheral edge of the upper cover (12), and several mounting grooves (151) are formed along the height direction of the lower shell (14), wherein the connection holes (121) correspond to the mounting grooves (151).

7. The test device for the central control unit of an EMU according to claim 1, characterized in that: The shell (10) is made of insulating material.

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