CN221650570U - A high voltage DC aviation power supply test device - Google Patents

Abstract

The utility model discloses a high-voltage direct current aviation power supply test device, which belongs to the field of power supply testing. A high-voltage direct current aviation power supply test device includes a test device body, and also includes: two ventilation slots, respectively arranged on both sides of the outer shell of the test device body, wherein filter plates are installed in the two ventilation slots; two rectangular frames, both arranged in the outer shell of the test device body, wherein cooling fans are fixedly installed in the two rectangular frames, and two groups of cooling fans face the two ventilation slots respectively, wherein a reciprocating mechanism for driving the rectangular frames to reciprocate is provided in the outer shell of the test device body; the utility model can make the components in the test device body get more uniform and sufficient heat dissipation, and indirectly improve the test stability of the test device body.

Description

A high voltage DC aviation power supply test device

Technical Field

The utility model relates to the technical field of power supply testing, in particular to a high-voltage direct current aviation power supply testing device.

Background Art

High-voltage DC aviation power supply refers to the high-voltage DC power supply system used on aircraft to provide the electrical energy required by various electrical equipment on the aircraft. The aviation power supply system usually includes one or more power supply units, power management and control modules, and related connection and protection equipment.

High-voltage DC aviation power supply test equipment is used to test and evaluate the performance and function of the high-voltage DC power supply system on the aircraft. These test equipment can be used to verify the output voltage, current and power parameters of the power supply system, and detect the stability, response speed and load adaptability of the power supply system.

Since the test equipment needs to use voltages and currents of different sizes during testing, this will cause the components in the test equipment to generate a lot of heat. The test equipment generally uses a cooling fan to ventilate and dissipate heat for the internal components. However, the existing cooling fans are fixed, which will cause some equipment in the test equipment to be difficult to dissipate heat efficiently, thereby affecting the operating stability of the test equipment.

Utility Model Content

The utility model aims to solve the problem of poor heat dissipation effect of high-voltage direct current aviation power supply test equipment in the prior art, and proposes a high-voltage direct current aviation power supply test device.

In order to achieve the above purpose, the utility model adopts the following technical solutions:

A high-voltage direct current aviation power supply test device comprises a test device body, and also comprises: two ventilation slots, respectively arranged on both sides of the outer shell of the test device body, wherein filter plates are installed in the two ventilation slots; two rectangular frames, both arranged in the outer shell of the test device body, wherein cooling fans are fixedly installed in the two rectangular frames, and two groups of cooling fans face the two ventilation slots respectively, wherein a reciprocating mechanism for driving the rectangular frames to reciprocate is provided in the outer shell of the test device body.

In order to drive the cooling fan to reciprocate within the test equipment body, preferably, the reciprocating mechanism includes two vertical plates fixedly installed in the outer shell of the test equipment body, and a reciprocating screw is rotatably installed between the two vertical plates, wherein a reciprocating slide plate is threadedly connected to the outer wall of the reciprocating slide plate and is slidably connected to the inner wall of the test equipment body, and a driving motor is fixedly installed on the inner wall of the test equipment body, and the output shaft of the driving motor is fixedly connected to one end of the reciprocating screw, and the two rectangular frames are connected to the reciprocating slide plate.

In order to prevent the reciprocating slide from affecting the maintenance personnel in repairing the test equipment body, further, the two vertical plates are fixedly mounted on the top cover plate of the test equipment body, and the reciprocating slide is connected to the rectangular frame through a plug-in mechanism.

In order to facilitate the separation of the reciprocating slide plate from the rectangular frame, the plug-in mechanism further includes a guide rod fixedly connected to the inner wall of the test equipment body shell, the rectangular frame is slidably connected to the guide rod, a slot is provided at the top of the rectangular frame, and the lower end of the reciprocating slide plate is fixedly connected to a plug rod plugged into the slot.

In order to facilitate the disassembly of the rectangular frame, further, a strip groove is provided on the top side wall of the rectangular frame, a slide groove is provided on the top of the strip groove, the slide groove is sleeved on the guide rod, the cross-section of the strip groove and the slide groove is L-shaped, and a movable gap is provided between the insertion rod and the inner bottom of the slot.

In order to facilitate the removal of the filter plate, preferably, a rectangular mounting groove is provided in the ventilation groove, and the filter plate is engaged in the rectangular mounting groove.

In order to improve the stability of the filter plate, further, magnets are fixedly installed around the filter plate and in the rectangular installation groove, and the two groups of magnets are attracted to each other.

In order to ensure the heat dissipation efficiency of the heat dissipation fans, preferably, 3 to 5 groups of the heat dissipation fans are arranged from top to bottom.

In order to prevent the rectangular frame from shaking on the guide rod, further, the cross-section of the axial end of the guide rod is rectangular.

In order to make one of the two ventilation slots take in air and the other exhaust air, further, the two groups of cooling fans have the same blowing direction.

Compared with the prior art, the utility model provides a high-voltage DC aviation power supply test device, which has the following beneficial effects:

1. The high-voltage DC aviation power supply test device drives two rectangular frames to slide back and forth along the ventilation slots through a reciprocating slide plate, and the rectangular frames drive the cooling fan to continuously change the blowing and suction positions, so that the components in the test equipment body can be cooled more evenly and fully, indirectly improving the test stability of the test equipment body;

2. The high-voltage DC aviation power supply test device can conveniently separate the rectangular frame from the reciprocating slide plate by loosening the screws on the top cover of the test device body and lifting the top cover of the test device body upwards, thereby preventing the reciprocating slide plate from affecting the maintenance of the test device body by the staff;

3. The high-voltage DC aviation power supply test device can be easily disassembled by opening the top cover of the test device body, then lifting the rectangular frame upward and pushing the rectangular frame horizontally, thereby facilitating maintenance of the cooling fan.

The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model can make the components in the test equipment body to obtain more uniform and sufficient heat dissipation, and indirectly improve the test stability of the test equipment body.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the isometric structure of a high-voltage DC aviation power supply test device proposed by the present invention;

FIG2 is a partial isometric structural schematic diagram 1 of a high-voltage DC aviation power supply test device proposed by the present invention;

FIG3 is a second partial isometric structural diagram of a high-voltage DC aviation power supply test device proposed by the present invention;

FIG4 is a third partial isometric structural diagram of a high-voltage DC aviation power supply test device proposed by the present invention;

FIG5 is a schematic structural diagram of part A in FIG3 of a high-voltage DC aviation power supply test device proposed by the present invention;

FIG6 is a schematic diagram of a rectangular frame isometric structure of a high-voltage DC aviation power supply test device proposed by the present invention.

In the figure: 1. Test equipment body; 2. Ventilation slot; 3. Filter plate; 4. Rectangular mounting slot; 5. Rectangular frame; 6. Cooling fan; 7. Driving motor; 8. Reciprocating screw; 9. Reciprocating slide plate; 10. Insert rod; 11. Slot; 12. Slide; 13. Guide rod; 14. Vertical plate; 15. Strip groove; 16. Movable gap.

DETAILED DESCRIPTION

The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

Example:

Referring to Figures 1 to 6, a high-voltage DC aviation power supply test device includes a test device body 1 for detecting a high-voltage DC aviation power supply, the top of the test device body 1 is fixedly connected with a top cover by screws, and the test device body 1 can be repaired by opening the top cover, and also includes: two ventilation slots 2 for ventilation and heat dissipation, which are respectively arranged on both sides of the shell of the test device body 1, wherein filter plates 3 for filtering dust in the air are installed in the two ventilation slots 2; two rectangular frames 5, which are both arranged in the shell of the test device body 1, wherein cooling fans 6 are fixedly installed in the two rectangular frames 5, and the cooling fans 6 are provided with 3 groups to 5 groups from top to bottom, and the blowing wind directions of the two groups of cooling fans 6 are the same, and the two groups of cooling fans 6 face the two ventilation slots 2 respectively, wherein a reciprocating mechanism for driving the rectangular frame 5 to move back and forth is provided in the shell of the test device body 1;

During use, the cooling fans 6 on the two sets of rectangular frames 5 will cause the two ventilation slots 2 to inhale and exhaust respectively, thereby ventilating and cooling the test equipment body 1, and in this process, the reciprocating mechanism will drive the two rectangular frames 5 to slide back and forth along the ventilation slots 2, and the rectangular frames 5 will drive the cooling fans 6 to continuously change the blowing and suction positions, so that the components in the test equipment body 1 can be cooled more evenly and fully, indirectly improving the test stability of the test equipment body 1.

The reciprocating mechanism includes two vertical plates 14 fixedly installed in the shell of the test device body 1, and a reciprocating screw 8 is rotatably installed between the two vertical plates 14, wherein a reciprocating slide plate 9 slidably connected to the inner wall of the test device body 1 is threadedly connected to the outer wall of the reciprocating screw 8, and when the reciprocating screw 8 rotates, the reciprocating slide plate 9 reciprocates along the outer wall of the reciprocating screw 8, and a driving motor 7 is fixedly installed on the inner wall of the test device body 1, and the output shaft of the driving motor 7 is fixedly connected to one end of the reciprocating screw 8, and the two rectangular frames 5 are connected to the reciprocating slide plate 9;

During the heat dissipation process of the test equipment body 1, the driving motor 7 will drive the reciprocating screw 8 to rotate, and the reciprocating screw 8 will drive the reciprocating slide 9 to reciprocate in the test equipment body 1. The reciprocating slide 9 will drive the two rectangular frames 5 to slide back and forth along the ventilation slot 2, and the rectangular frame 5 will drive the cooling fan 6 to continuously change the blowing and suction positions, so that the components in the test equipment body 1 can be cooled more evenly and fully, thereby indirectly improving the test stability of the test equipment body 1.

Two vertical plates 14 are fixedly mounted on the top cover plate of the test equipment body 1, and the reciprocating slide plate 9 is connected to the rectangular frame 5 through a plug-in mechanism. The plug-in mechanism includes a guide rod 13 fixedly connected to the inner wall of the shell of the test equipment body 1, and the cross-section of the axial end of the guide rod 13 is rectangular. The rectangular frame 5 is slidably connected to the guide rod 13, and a slot 11 is provided on the top of the rectangular frame 5. The lower end of the reciprocating slide plate 9 is fixedly connected to a plug rod 10 plugged into the slot 11;

During the reciprocating sliding of the reciprocating slide 9, the reciprocating slide 9 will mobilize the insertion rod 10 to slide back and forth, and the insertion rod 10 will drive the rectangular frame 5 to slide back and forth on the guide rod 13. When the test equipment body 1 needs to be disassembled and maintained, loosen the screws on the top cover and lift the top cover of the test equipment body 1 upward. At this time, the top cover will drive the reciprocating slide 9 to move upward synchronously, and the reciprocating slide 9 will drive the insertion rod 10 to be pulled out of the slot 11, so that the rectangular frame 5 can be easily separated from the reciprocating slide 9, thereby preventing the reciprocating slide 9 from affecting the staff's maintenance of the test equipment body 1.

The top side wall of the rectangular frame 5 is provided with a strip groove 15, and the top of the strip groove 15 is provided with a slide groove 12, and the slide groove 12 is sleeved on the guide rod 13. The cross-sections of the strip groove 15 and the slide groove 12 are L-shaped, and a movable gap 16 is provided between the insertion rod 10 and the inner bottom of the slot 11.

When the cooling fan 6 needs maintenance, open the top cover of the test equipment body 1, and then lift the rectangular frame 5 upward. When the guide rod 13 moves to the inner bottom of the strip groove 15, push the rectangular frame 5 laterally to make the guide rod 13 slide out of the strip groove 15, and make the insertion rod 10 slide out of the slot 11, so that the rectangular frame 5 can be easily removed, thereby facilitating the maintenance of the cooling fan 6. When the rectangular frame 5 is lifted upward, the insertion rod 10 will also move into the movable gap 16 at the bottom of the slot 11.

A rectangular mounting groove 4 is provided in the ventilation groove 2, and the filter plate 3 is engaged in the rectangular mounting groove 4. Magnets are fixedly installed around the filter plate 3 and in the rectangular mounting groove 4. The two groups of magnets attract each other, and the filter plate 3 can be adsorbed in the rectangular mounting groove 4 by the magnet. When the filter plate 3 needs to be cleaned, the filter plate 3 can be pulled out of the rectangular mounting groove 4, which makes the cleaning of the filter plate 3 very convenient.

During use of the present high-voltage DC aviation power supply test device, the cooling fans 6 on the two sets of rectangular frames 5 will cause the two ventilation slots 2 to inhale and exhaust respectively, thereby ventilating and cooling the test equipment body 1, and in this process, the driving motor 7 will drive the reciprocating screw 8 to rotate, and the reciprocating screw 8 will drive the reciprocating slide plate 9 to reciprocate in the test equipment body 1, and the reciprocating slide plate 9 will drive the two rectangular frames 5 to slide back and forth along the ventilation slots 2, and the rectangular frames 5 will drive the cooling fans 6 to continuously change the blowing and suction positions, so that the components in the test equipment body 1 can be cooled more evenly and fully, thereby indirectly improving the test stability of the test equipment body 1.

The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims (10)

1. A high voltage DC aviation power supply test device, comprising a test device body (1), characterized in that it also includes: Two ventilation slots (2) are respectively arranged on both sides of the outer shell of the test device body (1). Wherein, filter plates (3) are installed in both ventilation slots (2); Two rectangular frames (5) are both arranged in the outer shell of the test device body (1). Wherein, cooling fans (6) are fixedly installed in the two rectangular frames (5), and the two groups of cooling fans (6) are respectively oriented toward the two ventilation slots (2), and wherein a reciprocating mechanism for driving the rectangular frames (5) to reciprocate is provided in the outer shell of the test device body (1). 2. A high-voltage DC aviation power supply test device according to claim 1, characterized in that the reciprocating mechanism comprises: Two vertical plates (14) are fixedly mounted in the outer shell of the test device body (1), and a reciprocating screw (8) is rotatably mounted between the two vertical plates (14). A reciprocating slide plate (9) is threadedly connected to the outer wall of the reciprocating screw (8) and is slidably connected to the inner wall of the test device body (1); a driving motor (7) is fixedly mounted on the inner wall of the test device body (1); an output shaft of the driving motor (7) is fixedly connected to one end of the reciprocating screw (8); and both of the two rectangular frames (5) are connected to the reciprocating slide plate (9). 3. A high-voltage DC aviation power supply test device according to claim 2, characterized in that the two vertical plates (14) are fixedly mounted on the top cover plate of the test equipment body (1), and the reciprocating slide plate (9) is connected to the rectangular frame (5) through a plug-in mechanism. 4. A high-voltage DC aviation power supply test device according to claim 3, characterized in that the plug-in mechanism includes a guide rod (13) fixedly connected to the inner wall of the outer shell of the test equipment body (1), the rectangular frame (5) is slidably connected to the guide rod (13), the top of the rectangular frame (5) is provided with a slot (11), and the lower end of the reciprocating slide plate (9) is fixedly connected to a plug rod (10) plugged into the slot (11). 5. A high-voltage DC aviation power supply test device according to claim 4, characterized in that a strip groove (15) is provided on the top side wall of the rectangular frame (5), a slide groove (12) is provided on the top of the strip groove (15), the slide groove (12) is sleeved on the guide rod (13), the cross-section of the strip groove (15) and the slide groove (12) is L-shaped, and a movable gap (16) is provided between the insertion rod (10) and the inner bottom of the slot (11). 6. A high-voltage direct current aviation power supply test device according to claim 1, characterized in that a rectangular mounting groove (4) is provided in the ventilation groove (2), and the filter plate (3) is engaged in the rectangular mounting groove (4). 7. A high-voltage direct current aviation power supply test device according to claim 6, characterized in that magnets are fixedly installed around the filter plate (3) and in the rectangular mounting groove (4), and the two groups of magnets are attracted to each other. 8. A high-voltage direct current aviation power supply test device according to claim 1, characterized in that the cooling fans (6) are provided in 3 to 5 groups from top to bottom. 9. A high-voltage direct current aviation power supply test device according to claim 4, characterized in that the cross-section of the axial end of the guide rod (13) is rectangular. 10. A high-voltage direct current aviation power supply test device according to claim 8, characterized in that the two groups of cooling fans (6) have the same blowing direction.