CN211955765U - Load machine case and power test cabinet thereof - Google Patents
Load machine case and power test cabinet thereof Download PDFInfo
- Publication number
- CN211955765U CN211955765U CN202020442864.XU CN202020442864U CN211955765U CN 211955765 U CN211955765 U CN 211955765U CN 202020442864 U CN202020442864 U CN 202020442864U CN 211955765 U CN211955765 U CN 211955765U
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- load
- power supply
- case
- circuit board
- box body
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Abstract
The utility model discloses a load machine case, including having open-ended box body, circuit backplate, a plurality of saddle and being used for changing the load circuit board of resistance, circuit backplate with the opening sets up relatively, circuit backplate with box body fixed connection, a plurality of saddle all are fixed in on the inner wall of box body, load circuit board with saddle sliding connection works as load circuit board slide to a certain position department with circuit backplate electric connection. The power supply testing cabinet comprises any one of the load case, a box body, an industrial personal computer and a testing case used for testing a power supply, wherein the load case, the testing case and the industrial personal computer are respectively positioned in the box body, and the testing case and the load case are respectively and electrically connected with the industrial personal computer. The installation of a plurality of load circuit boards is very convenient, and the test of the power supply to be tested is facilitated.
Description
Technical Field
The utility model relates to an electrical apparatus test field especially relates to a load machine case and power test cabinet thereof.
Background
The power supply is used as an indispensable device in an electric appliance circuit, and the power supply test cabinet is used as a tool for testing the power supply and is increasingly important in the field of electric appliance testing. In a power supply test cabinet, a load chassis for outputting various signals to be tested is generally provided, and a load circuit board for changing voltage or current is provided in the load chassis.
The existing load case is not beneficial to installing a load circuit board, so that the load circuit board is difficult to install, and the test of the power supply to be tested is complicated.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a load chassis, which is very convenient to install a plurality of load circuit boards and is beneficial to testing a power supply to be tested;
a second object of the present invention is to provide a power testing cabinet.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
a load case comprises a case body with an opening, a circuit back plate, a plurality of sliders and a load circuit board for changing resistance, wherein the circuit back plate is arranged opposite to the opening, the circuit back plate is fixedly connected with the case body, the sliders are all fixed on the inner wall of the case body, the load circuit board is connected with the sliders in a sliding mode, and when the load circuit board slides to a certain position, the load circuit board is electrically connected with the circuit back plate.
Preferably, the plurality of sliders are arranged parallel to each other.
Preferably, the circuit back plate is provided with a plurality of interfaces, and the load circuit board is electrically connected with the interfaces.
Preferably, the load box further includes a cover plate for covering the opening, and the box body further includes a frame, and the cover plate is disposed on the frame.
Preferably, the cover plate comprises an indicator light, and the indicator light is electrically connected with the load circuit board.
Preferably, the cover plate is further provided with a first heat dissipation hole.
The second purpose of the utility model is realized by adopting the following technical scheme:
a power supply test cabinet comprises any one of the load case, a box body, an industrial personal computer and a test case used for testing a power supply, wherein the load case, the test case and the industrial personal computer are respectively located in the box body, and the test case and the load case are respectively electrically connected with the industrial personal computer.
Preferably, the power supply test cabinet further comprises an uninterruptible power supply, the uninterruptible power supply is electrically connected with the industrial personal computer, and the uninterruptible power supply is arranged in the box body.
Preferably, the power supply test cabinet further comprises a display screen, the display screen is electrically connected with the industrial personal computer, and the display screen is arranged in the box body.
Preferably, the power supply test cabinet further comprises an installation platform for installing a power supply to be tested, and the installation platform is arranged in the box body.
Compared with the prior art, the beneficial effects of the utility model reside in that:
in the load case, a plurality of sliders are arranged, a user can slide and connect a plurality of load circuit boards through the sliders, and the load circuit boards slide to a certain position and are electrically connected with the circuit back plate, so that the plurality of load circuit boards are favorably installed and detached.
Drawings
Fig. 1 is a schematic perspective view of a load chassis of the present invention;
fig. 2 is a front view of the load box of the present invention;
fig. 3 is a rear view of the load box of the present invention;
fig. 4 is a front view of a single load enclosure of the present invention with the load circuit board and portions of the slide removed;
fig. 5 is a schematic plan view of the cover plate of the present invention;
fig. 6 is a schematic view of the three-dimensional structure of the power testing cabinet of the present invention.
In the figure: 1. a load chassis; 10. a box body; 11. an opening; 12. a frame; 121. a fixing hole; 20. a slider; 21. a chute; 30. a load circuit board; 40. a circuit backplane; 41. an interface; 50. a cover plate; 51. an indicator light; 52. a first heat dissipation hole; 2. a power supply test cabinet; 60. a box body; 61. an installation table; 62. a second heat dissipation hole; 63. air holes are formed; 70. a test chassis; 71. a digital distortion factor tester; 72. an oscilloscope; 80. an industrial personal computer; 81. a display screen; 82. a keyboard; 90. an uninterruptible power supply.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
in the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "horizontal", "longitudinal", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-3, the utility model discloses a load case 1, including box body 10, circuit backplate 40, a plurality of slider 20 that have opening 11 and the load circuit board 30 that is used for changing voltage, circuit backplate 40 with opening 11 sets up relatively, circuit backplate 40 with box body 10 fixed connection, a plurality of sliders 20 all are fixed in on the inner wall of box body 10, load circuit board 30 with slider 20 sliding connection works as load circuit board 30 slide to certain position department with circuit backplate 40 electric connection.
In the above embodiment, the load chassis 1 is provided with the plurality of sliders 20, a user can slide and mount the plurality of load circuit boards 30 through the plurality of sliders 20, and the load circuit boards 30 slide to a certain position to be electrically connected to the circuit back plate 40, so as to facilitate mounting and dismounting the plurality of load circuit boards 30. Each load circuit board 30 is provided with a resistor, and the resistors on each load circuit board 30 can be different, so as to realize the simultaneous output of signals to be tested of various voltages or currents; the load circuit board 30 may further be provided with an adjustable resistor to adjust the output voltage or current; a heat sink may be provided on the load circuit board 30 to dissipate heat from the load circuit board 30; the load circuit board 30 may further be provided with a filter capacitor or an inductor to filter or rectify the harmonic current.
In order to prevent the interference caused by the close distance between the load circuit boards 30, the sliders 20 are disposed in parallel to each other, and the load circuit boards 30 are disposed in parallel, which is also advantageous for heat dissipation and space saving.
As shown in fig. 4 to 5, in a preferred embodiment, a plurality of interfaces 41 are disposed on the circuit backplane 40, and the load circuit board 30 is electrically connected to the interfaces 41. The load box 1 further includes a cover plate 50 for covering the opening 11, the box body 10 further includes a frame 12, and the cover plate 50 is disposed on the frame 12. The cover plate 50 includes an indicator light 51 and a first heat dissipation hole 52, and the indicator light 51 is electrically connected to the load circuit board 30.
In the above embodiment, the interface 41 may be used to output current, the interface 41 may be electrically connected to the load circuit board 30 through a connector, and the interface 41 may also be a USB interface for transmitting information. The frame 12 is provided with a fixing hole 121, the cover plate 50 is fixedly connected with the box body 10 through the fixing hole 121, the cover plate 50 and the box body 10 can form a closed chamber, and the load circuit board 30 is located in the chamber and cannot be damaged by foreign objects. The indicator lamp 51 is electrically connected to the load circuit board 30, and can display the operating state of the load circuit board 30. As shown in fig. 5, the first heat dissipation hole 52 of the cover plate 50 facilitates heat dissipation of the load circuit board 30, and makes the cover plate 50 more beautiful.
As shown in fig. 6, the utility model also discloses a power test cabinet 2, include load machine case 1, still include box 60, industrial computer 80 and the test machine case 70 that is used for testing power, load machine case 1 test machine case 70 with industrial computer 80 is located respectively in the box 60, test machine case 70 with load machine case 1 respectively with industrial computer 80 electric connection.
In the above embodiment, the plurality of load circuit boards 30 in the load chassis 1 may be electrically connected to the power source to be tested, and output a plurality of signals to be tested of current or voltage, the plurality of signals to be tested output by the load circuit board 30 may be subjected to performance testing by the test chassis 70, the industrial personal computer 80 may adjust a resistance, a capacitance, or an inductance value on the load circuit board 30, so that the load circuit board 30 outputs a plurality of signals to be tested of stable current or voltage, and the plurality of signals to be tested are then tested by the test chassis 70, where the testing includes performance testing of voltage or current peak value, waveform, or frequency, and the like, so as to obtain the performance of the power source to be tested.
As shown in fig. 6, in a preferred embodiment, the power test cabinet 2 further includes an uninterruptible power supply 90, a display screen 81 and a mounting platform 61 for mounting a power supply to be tested, the uninterruptible power supply 90 is electrically connected to the industrial personal computer 80, the uninterruptible power supply 90, the display screen 81 and the mounting platform 61 are all disposed in the box 60, and the display screen 81 is electrically connected to the industrial personal computer 80.
In the above embodiment, the uninterruptible power supply 90 supplies power to the industrial personal computer 80, the display screen 81 is used for displaying information on the industrial personal computer 80, the mounting table 61 is favorable for placing the power supply to be tested, for convenience of the power supply to be tested and the test case 70 are electrically connected, the mounting table 61 is arranged above the test case 70. The mounting table 61 may also be slidably coupled to the housing 60.
Preferably, in order to facilitate the operation of the display screen 81 and the industrial personal computer 80, a keyboard 82 is further arranged in the box body 60, and the keyboard 82 is electrically connected with the industrial personal computer 80 and the display screen 81 respectively; in order to prevent distortion of the signal to be tested, a digital distortion tester 71 is further disposed in the box 60, and the digital distortion tester 71 is electrically connected to the load circuit board 30 and the test chassis 70 respectively; in order to better observe the waveform of the signal to be tested, an oscilloscope 72 is further disposed in the box 60, and the oscilloscope 72 is electrically connected to the load circuit board 30 and the test chassis 70, respectively. For better heat dissipation of the power supply test cabinet 2, the upper end of the box body 60 is provided with a vent hole 63, the side edge of the box body 60 is provided with a second heat dissipation hole 62, and a fan is further arranged in the box body 60 and used for dissipating heat of the power supply test cabinet 2 by forming an airflow loop through the vent hole 63 and the second heat dissipation hole 62.
In summary, according to the load chassis 1, by providing the plurality of sliders 20, a user can slide and mount the plurality of load circuit boards 30 through the plurality of sliders 20, and the load circuit boards 30 slide to a certain position to be electrically connected to the circuit back plate 40, so that the mounting and dismounting of the plurality of load circuit boards 30 are facilitated, thereby simultaneously outputting signals to be tested of various voltages or currents, and facilitating the testing of a power source to be tested.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (10)
1. A load machine case, its characterized in that: the circuit board comprises a box body with an opening, a circuit back plate, a plurality of sliders and a load circuit board used for changing resistance, wherein the circuit back plate is arranged opposite to the opening, the circuit back plate is fixedly connected with the box body, the sliders are fixed on the inner wall of the box body, the load circuit board is in sliding connection with the sliders, and when the load circuit board slides to a certain position, the load circuit board is electrically connected with the circuit back plate.
2. The load box of claim 1, wherein: the plurality of sliders are arranged parallel to each other.
3. The load box of claim 1, wherein: the circuit back plate is provided with a plurality of interfaces, and the load circuit board is electrically connected with the interfaces.
4. The load box of claim 1, wherein: the load case further comprises a cover plate used for covering the opening, the box body further comprises a frame, and the cover plate is arranged on the frame.
5. The load box of claim 4, wherein: the cover plate comprises an indicator light, and the indicator light is electrically connected with the load circuit board.
6. The load box of claim 5, wherein: the cover plate is also provided with a first heat dissipation hole.
7. A power supply test cabinet is characterized in that: the load case comprises the load case of any one of claims 1 to 6, and further comprises a case body, an industrial personal computer and a test case for testing a power supply, wherein the load case, the test case and the industrial personal computer are respectively positioned in the case body, and the test case and the load case are respectively electrically connected with the industrial personal computer.
8. The power supply test cabinet of claim 7, wherein: the power supply test cabinet further comprises an uninterruptible power supply, the uninterruptible power supply is electrically connected with the industrial personal computer, and the uninterruptible power supply is arranged in the box body.
9. The power supply test cabinet of claim 8, wherein: the power supply test cabinet further comprises a display screen, the display screen is electrically connected with the industrial personal computer, and the display screen is arranged in the box body.
10. The power supply test cabinet of claim 9, wherein: the power supply test cabinet further comprises an installation platform used for installing a power supply to be tested, and the installation platform is arranged in the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020442864.XU CN211955765U (en) | 2020-04-02 | 2020-04-02 | Load machine case and power test cabinet thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020442864.XU CN211955765U (en) | 2020-04-02 | 2020-04-02 | Load machine case and power test cabinet thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211955765U true CN211955765U (en) | 2020-11-17 |
Family
ID=73167957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020442864.XU Expired - Fee Related CN211955765U (en) | 2020-04-02 | 2020-04-02 | Load machine case and power test cabinet thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211955765U (en) |
-
2020
- 2020-04-02 CN CN202020442864.XU patent/CN211955765U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |