Power supply module test equipment and power supply module test system

Abstract

The utility model relates to the technical field of test equipment, and provides power supply module test equipment and a power supply module test system.The power supply module test equipment comprises a test cabinet, a power supply input module, a switching module, a display device, a control panel and an upper computer; the power supply input module is used for simultaneously or independently inputting various power supplies to a to-be-tested power supply module; the testing cabinet comprises a base, a testing frame arranged at the upper end of the base and an equipment cabin located on one side of the testing frame, a containing space for containing the switching module and at least part of the power input module is formed in the equipment cabin, the power input module is connected to the switching module and the testing wire, and the other end, away from the power input module, of the testing wire extends out of the equipment cabin; a display device and a control panel are arranged on the outer surface of the equipment cabin; the upper end of the test frame is provided with a suspension structure for suspending a test line, the middle of the test frame transversely extends to form a test board, and the lower end of the test frame is provided with a first bearing frame capable of bearing an upper computer. Most devices are arranged in the equipment cabin, and the layout is reasonable.

Description

Technical Field

[0001] The utility model belongs to the technical field of testing equipment, and particularly relates to a power module testing equipment and a power module testing system. Background Art

[0002] Before being applied, the power module of a mobile communication device generally needs to be tested. In the current power module testing equipment for power module testing, the electrical devices and power sources required for testing are often exposed outside, which poses serious safety hazards, and the layout is unreasonable, the structure is complex, the floor area is large, and it is not convenient to move. Content of the Utility Model

[0003] The purpose of the utility model is to at least overcome one of the above-mentioned deficiencies of the prior art, and provides a power module testing equipment and a power module testing system. The switching module and at least part of the power input modules are arranged in the equipment cabin, effectively reducing safety hazards, with a reasonable layout, a delicate structure, a small floor area, and convenient movement.

[0004] The technical solution of the utility model is: a power module testing equipment, including a testing cabinet, a power input module, a switching module, a display device, a control panel and a host computer. The power input module is used to input multiple power sources to the power module to be tested simultaneously or independently. The testing cabinet includes a base, a testing rack arranged at the upper end of the base, and an equipment cabin arranged at the upper end of the base and on one side of the testing rack. The equipment cabin has a receiving space for receiving the switching module and at least part of the power input modules. The power input module is connected to the switching module and a test line, and the other end of the test line far from the power input module extends out of the equipment cabin. The outer surface of the equipment cabin is provided with a display device and a control panel. The upper end of the testing rack is provided with a hanging structure for hanging the test line. The middle part of the testing rack extends horizontally with a testing table, and the lower end of the testing rack is provided with a first carrier for carrying the host computer.

[0005] As a further improvement of this technical solution, the testing cabinet is a sheet metal structural part.

[0006] As a further improvement of this technical solution, the control panel includes a plurality of indicating switches arranged on the surface of the equipment cabin; the control panel is connected with a start-stop-hold circuit module.

[0007] As a further improvement of this technical solution, a connecting wire assembly for connecting the power input module, the display device and the control panel is further arranged in the receiving space of the equipment cabin.

[0008] As a further improvement of this technical solution, the power input module includes a high-voltage AC power input device, a low-voltage DC power output device and a photovoltaic power output device.

[0009] As a further improvement of this technical solution, the switching module includes a first AC contactor connected to the high-voltage AC power input device, a second AC contactor connected to the low-voltage DC power output device, and a third AC contactor connected to the photovoltaic power output device.

[0010] As a further improvement of this technical solution, a second carrier is provided at the upper end inside the equipment cabin, and the photovoltaic power output device is arranged on the second carrier; a third carrier is provided in the middle of the equipment cabin, and the low-voltage DC power output device is arranged on the third carrier; the first AC contactor, the second AC contactor and the third AC contactor are arranged on the bottom surface of the equipment cabin in the accommodation space.

[0011] As a further improvement of this technical solution, the high-voltage AC power input device is arranged on the side of the test bench close to the equipment cabin.

[0012] As a further improvement of this technical solution, the lower end of the base is connected with feet and / or moving wheels.

[0013] The present utility model also provides a power module test system, including a mobile communication device and the power module test equipment described in any one of the above, the mobile communication device has a power module, and the power module is connected to the test line.

[0014] The present utility model provides a power module test equipment and a power module test system. The power module test equipment includes a test cabinet, a power input module, a switching module, a display device, a control panel and a host computer. The power input module is used to input multiple power supplies to the power module to be tested simultaneously or independently; the test cabinet includes a base, a test rack arranged at the upper end of the base, and an equipment cabin arranged at the upper end of the base and on one side of the test rack. The equipment cabin has an accommodation space for accommodating the switching module and at least part of the power input module. The power input module is connected to the switching module and the test line, and the other end of the test line far from the power input module extends out of the equipment cabin; a display device and a control panel are arranged on the outer surface of the equipment cabin; a hanging structure for hanging the test line is arranged at the upper end of the test rack, a test bench extends horizontally in the middle of the test rack, and a first carrier for carrying the host computer is arranged at the lower end of the test rack. In the present utility model, the switching module and at least part of the power input module are both arranged in the equipment cabin, effectively reducing potential safety hazards. The layout of each device is reasonable, making the power module test equipment delicate in structure and small in floor area. And because each device is arranged in the test cabinet, the power module test equipment is very convenient to move. Description of the Drawings

[0015] To more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the attached drawings required for use in the embodiments. Obviously, the attached drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other attached drawings can be obtained based on these attached drawings.

[0016] Figure 1 is a perspective view of the power module testing device provided by the embodiment of the present utility model;

[0017] Figure 2 is a perspective view of another angle of the power module testing device provided by the embodiment of the present utility model;

[0018] Figure 3 is the front view of the power module testing device provided by the embodiment of the present utility model;

[0019] Figure 4 is the electrical connection diagram of the power module testing device provided by the embodiment of the present utility model;

[0020] Figure 5 is another three-dimensional electrical connection diagram of the power module testing device provided by the embodiment of the present utility model. Detailed implementation manners

[0021] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the following further details the present utility model in combination with the attached drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0022] It should be noted that the terms "set" and "connect" should be understood in a broad sense. For example, it can be directly set and connected, or indirectly set and connected through intermediate components and intermediate structures.

[0023] In addition, in the embodiments of the present utility model, if there are terms indicating orientation or positional relationships such as "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., they are based on the orientation or positional relationships shown in the attached drawings or the conventional placement state or use state. They are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the structures, features, devices or elements referred to must have specific orientation or positional relationships, nor must they be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present utility model. In the description of the present utility model, unless otherwise stated, the meaning of "a plurality" is two or more.

[0024] In the case where there is no contradiction, the various specific technical features and embodiments described in the specific implementation manners can be combined in any appropriate manner. For example, different implementation manners can be formed by combining different specific technical features / embodiments. To avoid unnecessary repetition, various possible combination manners of the various specific technical features / embodiments in the present utility model will not be described separately.

[0025] The present utility model provides a power module testing device. Please refer to Figures 1 to 3, the power module testing device 10 includes a testing cabinet 1, a power input module 2, a switching module 3, a display device 4, a control panel 5 and a host computer 6. Among them, the power input module 2 is used to input multiple types of power to the power module to be tested simultaneously or independently; the switching module 3 is used to switch different types of power input to the power module; the display device 4 can display the status information of the power module testing device 10 or the test data of the power module; the control panel 5 is used to facilitate the tester to control the power module testing device 10, for example, to control the start and stop of the test or the switching of the input power through switches or knobs, etc.; the host computer 6 can facilitate the control of the power module testing device 10 and receive and record the test data of the power module. The testing cabinet 1 is used to install the power input module 2, the switching module 3, the display device 4, the control panel 5 and the host computer 6. Specifically, the testing cabinet 1 includes a base 11, a testing rack 12 provided at the upper end of the base 11, and an equipment compartment 13 provided at the upper end of the base 11 and located on one side of the testing rack 12. The equipment compartment 13 has a receiving space for receiving the switching module 3 and at least part of the power input module 2, so as to protect the devices of the switching module 3 and the power input module 2. The power input module 2 is connected to the switching module 3 and the test line. The other end of the test line far from the power input module 2 extends out of the equipment compartment 13 and is used to connect the power module to be tested to realize the power input to the power module. The display device 4 and the control panel 5 are provided on the outer surface of the equipment compartment 13, so that it is very convenient for the tester to observe and control. The upper end of the testing rack 12 is provided with a hanging structure 121 for hanging the test line, so as to facilitate the setting of the test line and avoid the entanglement of the test line. The middle part of the testing rack 12 extends horizontally with a test bench 122, and the test bench 122 can provide a test platform for the tester. The lower end of the testing rack 12 is provided with a first carrier 123 that can carry the host computer 6 to facilitate the installation and setting of the host computer 6. In the present utility model, the switching module 3 and at least part of the power input module 2 are both arranged in the equipment compartment 13, effectively reducing potential safety hazards, and the device layout is reasonable, making the power module testing device 10 exquisitely structured, occupying a small area, and because each device is arranged in the testing cabinet 1, making the power module testing device 10 very convenient to move. Among them, the direction along the testing rack 12 and the equipment compartment 13 to the base 11 is the up and down direction, and the horizontal direction is the direction perpendicular to the up and down direction.

[0026] It can be understood that the switching module 3 and at least part of the power input module 2 of the power module testing device 10 are both arranged in the equipment compartment 13, which is safe and reliable, and through the reasonable layout of each device, the power module testing device 10 is exquisitely structured, occupies a small area and is convenient to move. Of course, the present utility model can not only test the power modules applied to mobile communication devices, etc., but also be applied to other objects to be tested as long as it does not affect the use.

[0027] For the test cabinet 1, please refer to Figures 1 to 3 , preferably, the test cabinet 1 can be a sheet metal structural member. In the present utility model, the switching module 3 and at least part of the power input module 2 are both arranged inside the sheet metal structural member, so that the tester will not directly touch these devices, greatly improving the safety performance of the power module testing device 10; and the sheet metal structural member has good electrostatic performance, avoiding damage to the power module testing device 10 and the power module to be tested caused by static electricity; moreover, the sheet metal structural member has good grounding performance, avoiding electric shock and causing harm to the human body.

[0028] Preferably, the test cabinet 1 can further include a suspension rack 14 arranged above the test rack 12 and protruding laterally from the test rack 12. After the test is completed, the test line can be suspended on the suspension rack 14, which is safe and does not interfere. Further, the suspension structure 121 can be arranged at the connection between the suspension rack 14 and the test rack 12. After the test line extends out of the equipment cabin 13, it can be suspended on the suspension rack 14. When testing is required, the test line can be taken out from the suspension rack 14 and then connected to the suspension structure 121, which is very convenient to operate.

[0029] Preferably, the test cabinet 1 can further include a junction box 15 arranged close to the suspension rack 14. The junction box 15 is communicated with the equipment cabin 13. After the test line extends out of the equipment cabin 13, at least part of it can be received in the junction box 15, avoiding the test line from being wound or the test line hanging on the test rack 12 and affecting the test.

[0030] For the base 11, preferably, the lower end of the base 11 is connected with feet and / or moving wheels 111, which is convenient for supporting or moving the power module testing device 10.

[0031] For the test rack 12, specifically, there can be a test space above the test bench 122 that is convenient for the tester to operate. The test rack 12 can be a flat frame, so as to reserve enough test space for the tester above the test bench 122.

[0032] Preferably, the suspension structure 121 can include a retractable spring strip or a hook, etc., which is convenient for the user to take the test line.

[0033] For the equipment cabin 13, preferably, an operating platform 131 also extends outward from the outer surface of the middle part of the equipment cabin 13. The display device 4 and the control panel 5 can be arranged above the operating platform 131, which is convenient for the tester to operate and control. Specifically, a support rib connecting the surface of the equipment cabin 13 can be connected below the operating platform 131 to support the operating platform 131.

[0034] Specifically, the operating table 131 and the test bench 122 can be located on the same plane, and the heights of the operating table 131 and the test bench 122 can be set corresponding to the height of the tester's hand. The specific height can be set considering the height and usage habits of the tester, so as to facilitate the tester to conduct tests.

[0035] For the power input module 2, please refer to Figures 1 to 3 , preferably, the power input module 2 can include a high-voltage AC power input device 21, a low-voltage DC power output device 22, and a photovoltaic power output device 23, so that the power module testing device 10 can input three types of power, namely high-voltage AC power, low-voltage DC power, and photovoltaic power, to the power module to be tested simultaneously or independently. In actual applications, the photovoltaic power output device 23 can be an MPPT (Maximum Power Point Tracking) photovoltaic power output device 23.

[0036] For the switching module 3, please refer to Figures 1 to 3 , preferably, the switching module 3 can include a first AC contactor connected to the high-voltage AC power input device 21, a second AC contactor connected to the low-voltage DC power output device 22, and a third AC contactor connected to the photovoltaic power output device 23. In the prior art, the start and stop of the input power are often directly controlled by a circuit breaker, while in the present utility model, the start and stop of the input power can be controlled by an AC contactor, which is safer and more reliable.

[0037] Specifically, the first AC contactor, the second AC contactor, and the third AC contactor can be connected to the indicating switch of 51. The tester can control the on and off of each AC contactor by controlling the indicating switch 51 to realize the start or stop of the power input and load output, and the test is safe and convenient.

[0038] Preferably, a connecting wire assembly connecting the power input module 2, the display device 4, and the control panel 5 can also be provided in the accommodation space of the equipment cabin 13, so that most of the wiring of the power module testing device 10 can be routed in the equipment cabin 13, making the test platform safer and more reliable, and the tester safer during the test. In actual applications, the connecting wire assembly can include a high-voltage AC power line connecting the high-voltage AC power input device 21, an MPPT photovoltaic power line connecting the photovoltaic power output device 23, a low-voltage DC power line connecting the low-voltage DC power output device 22, and connecting wires connecting each AC contactor and the control panel 5.

[0039] Preferably, a second carrier can be provided at the upper end inside the equipment cabin 13, and the photovoltaic power output device 23 can be arranged on the second carrier; a third carrier 132 can be provided in the middle inside the equipment cabin 13, and the low-voltage DC power output device 22 can be arranged on the third carrier 132; the first AC contactor, the second AC contactor and the third AC contactor are arranged on the bottom surface of the equipment cabin 13 in the accommodation space, so that each device can be installed and reasonably arranged inside the equipment cabin 13.

[0040] Furthermore, the low-voltage DC power output device 22 can have a power adjustment module, and the power adjustment module can be connected with an adjustment knob exposed to the equipment cabin 13, which is convenient for testers to adjust and input different low-voltage DC powers. Moreover, the adjustment knob can be arranged on the surface of the low-voltage DC power output device 22, and the third carrier 132 can be on the same plane as the test bench 122, so that the height of the low-voltage DC power output device 22 is appropriate, which is convenient for testers to adjust the low-voltage DC power output device 22.

[0041] Preferably, the high-voltage AC power input device 21 can be arranged on one side of the test bench 122 close to the equipment cabin 13, which is convenient for testers to use.

[0042] Regarding the display device 4, please refer to Figures 1 to 3 , preferably, the display device 4 can be a display screen that can display text, voice, animation, etc., and testers can directly observe the working state of the power module test equipment 10 and / or the test results of the object to be tested through the display device 4.

[0043] Regarding the control panel 5, please refer to Figures 1 to 3 , preferably, the control panel 5 can include a plurality of indicator switches 51 arranged on the surface of the equipment cabin 13, which is convenient for testers to control the power module test equipment 10 through the indicator switches 51 to start or stop the power input and load output. Specifically, the indicator switches 51 can be LED indicator switches 51, so as to indicate the working state of the power module test equipment 10.

[0044] Furthermore, the control panel 5 can be connected with a start-stop-hold circuit module, so that testers can control the power module test equipment 10 through the start-stop-hold circuit, and the safety and reliability are higher. Specifically, the electrical wiring diagram of the power module test equipment 10 is as shown in Figure 4 and Figure 5 .

[0045] In specific applications, the power module testing device 10 may include an alarm. When the host computer 6 detects that the data obtained from the test of the power module testing device 10 does not meet the preset range, the host computer 6 may send a signal to the alarm to cause the alarm to give an alarm.

[0046] In specific applications, the power module testing device 10 may include a cooling fan provided in the equipment cabin 13, thereby improving the heat dissipation effect of the power module testing device 10.

[0047] During testing, different input power supplies can be input to the power module to be tested simultaneously or independently first. Then, the monitoring module on the power module can be connected to the host computer 6. The host computer 6 can receive parameter information such as the input and output voltages, currents, temperatures, and batteries of the power module through the monitoring module, and can perform tests such as output voltage, current, battery current calibration, battery charging current limiting, current sharing degree, load current limiting, temperature rise, and alarm. The RS485 communication network port on the monitoring module can be connected to the RS85 communication interface of the host computer 6, enabling the host computer 6 to receive the complete information of the module PID; testers can also switch the photovoltaic power supply to perform photovoltaic testing on the power module; testers can also switch the low-voltage DC adjustable power supply to perform power-off testing on the power module, thereby realizing the semi-automatic integrated testing of the power module testing device 10.

[0048] In the power module testing device 10 of the prior art, generally, the electrical devices and power supplies are exposed outside, and the input power supply is generally switched off through a circuit breaker control, which has serious safety hazards. In the present utility model, each AC contactor, low-voltage DC power supply output device 22, photovoltaic power supply output device 23, and connection line assembly required for testing are all arranged in the equipment cabin 13, and the start-stop circuit control of the power module testing device 10 is realized through devices such as AC contactors and the control panel 5, effectively improving the safety and reliability of the present utility model.

[0049] The present utility model also provides a power module testing system. The power module testing system includes a mobile communication device and the power module testing device 10. The mobile communication device has a power module, and the power module is connected to the test line. The power module can be arranged on the test bench 122 for the convenience of testers to test.

[0050] In specific applications, the power module testing system may further include a transportation module. The transportation module is used to transport the mobile communication device or the power module of the mobile communication device to the mobile communication device or the test bench 122 for the convenience of testing the power module.

[0051] In specific applications, the power module test system may further include a manipulator or a robotic device, which can connect the test line to the power module, thus eliminating the need for manual operation by testers and realizing the full-automatic integrated test of the power module test system.

[0052] In specific applications, the power module test system may further include an insulating chamber where all the devices of the power module test system can be set, effectively avoiding the problem of electric shock to testers caused by the leakage of high-voltage DC power supply and further improving the safety and reliability of the power module test system.

[0053] The present utility model provides a power module test device and a power module test system. The power module test device 10 includes a test cabinet 1, a power input module 2, a switching module 3, a display device 4, a control panel 5 and a host computer 6. The power input module 2 is used to input multiple power supplies to the power module to be tested simultaneously or independently. The test cabinet 1 includes a base 11, a test rack 12 provided at the upper end of the base 11, and an equipment compartment 13 provided at the upper end of the base 11 and located on one side of the test rack 12. The equipment compartment 13 has a receiving space for receiving the switching module 3 and at least part of the power input module 2. The power input module 2 is connected to the switching module 3 and the test line, and the other end of the test line far from the power input module 2 extends out of the equipment compartment 13. The outer surface of the equipment compartment 13 is provided with a display device 4 and a control panel 5. The upper end of the test rack 12 is provided with a hanging structure 121 for hanging the test line. The middle part of the test rack 12 extends horizontally with a test bench 122. The lower end of the test rack 12 is provided with a first carrier 123 that can carry the host computer 6. In the present utility model, the switching module 3 and at least part of the power input module 2 are both arranged in the equipment compartment 13, effectively reducing potential safety hazards, and each device is reasonably arranged, with a delicate structure, a small floor area and convenient movement.

[0054] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modification, equivalent replacement or improvement made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A power module testing device, characterized in that, It includes a test cabinet, a power input module, a switching module, a display device, a control panel and a host computer. The power input module is used to input multiple power supplies to the power module to be tested simultaneously or independently. The test cabinet includes a base, a test rack arranged at the upper end of the base, and an equipment cabin arranged at the upper end of the base and on one side of the test rack. The equipment cabin has a receiving space for receiving the switching module and at least part of the power input module. The power input module is connected to the switching module and the test line, and the other end of the test line far from the power input module extends out of the equipment cabin. A display device and a control panel are arranged on the outer surface of the equipment cabin. A hanging structure for hanging the test line is arranged at the upper end of the test rack. A test bench extends horizontally in the middle of the test rack, and a first carrier for carrying the host computer is arranged at the lower end of the test rack.

2. The power module testing device according to claim 1, characterized in that, The test cabinet is a sheet metal structural part.

3. The power module testing device according to claim 1, characterized in that, The control panel includes a plurality of indicating switches arranged on the surface of the equipment cabin; the control panel is connected with a start-stop-hold circuit module.

4. The power module testing device according to claim 1, wherein A connecting wire assembly connecting the power input module, the display device and the control panel is also arranged in the receiving space of the equipment cabin.

5. The power module testing device according to any one of claims 1 to 4, characterized in that, The power input module includes a high-voltage AC power input device, a low-voltage DC power output device and a photovoltaic power output device.

6. The power module testing device according to claim 5, wherein The switching module includes a first AC contactor connected to the high-voltage AC power input device, a second AC contactor connected to the low-voltage DC power output device, and a third AC contactor connected to the photovoltaic power output device.

7. The power module testing device according to claim 6, wherein A second carrier is arranged at the upper end in the equipment cabin, and the photovoltaic power output device is arranged on the second carrier; a third carrier is arranged in the middle of the equipment cabin, and the low-voltage DC power output device is arranged on the third carrier; the first AC contactor, the second AC contactor and the third AC contactor are arranged on the bottom surface of the equipment cabin in the receiving space.

8. The power module testing device according to claim 5, wherein The high-voltage AC power input device is arranged on the test bench close to the equipment cabin side.

9. The power module testing device according to any one of claims 1 to 4, characterized in that The lower end of the base is connected with feet and / or mobile wheels.

10. A power module testing system, characterized in that, It includes a mobile communication device and the power module testing equipment according to any one of claims 1 to 9. The mobile communication device has a power module, and the power module is connected to the test line.

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