DC-DC converter

Abstract

The utility model relates to the technical field of converters, and discloses a DC-DC converter, which comprises a conversion box and a mounting seat, the top of the conversion box is fixedly connected with a box cover, the four corners of the bottom of the conversion box are fixedly connected with plugging blocks, the adjacent sides of the plurality of plugging blocks are provided with clamping grooves, and the clamping grooves are fixedly connected with the box cover. The device comprises a mounting base, inserting grooves are formed in the four corners of the top of the mounting base, fixing plates are fixedly connected to the left side and the right side of the interior of the mounting base, sliding rods are slidably connected to the sides, away from each other, of the two fixing plates, and the adjacent ends of the two sliding rods penetrate through the sides, away from each other, of the fixing plates and are fixedly connected with moving plates. According to the utility model, the clamping columns are driven by the top block to unfold towards the two sides, so that the clamping columns are inserted into the clamping grooves to complete the installation and fixation of the conversion box, the sucked air is intensively discharged through the air collecting hood, and the temperature of the air can be reduced through the air pipe with a small inner diameter, so that each heat dissipation plate is rapidly subjected to heat dissipation treatment.

Description

Technical Field

[0001] The utility model relates to the technical field of converters, in particular to a DC-DC converter. Background Art

[0002] The DC-DC converter is a key device for realizing voltage conversion in a DC circuit. Its high efficiency and stable working characteristics make it play a vital role in modern electronic equipment.

[0003] After searching, the Chinese patent announcement number is: CN203326874U, which discloses a DC-DC converter, which includes a shell, a power element placed inside the shell and a heat sink arranged on the shell; the shell is provided with a cover plate; the heat sink is located at a symmetrical position of the integrated arrangement of the power element; the shell is provided with a mounting slot on one side; the heat sink is matched and embedded in the mounting slot. The utility model has a simple and reasonable structural design. By changing the layout of the heat sink, it not only significantly improves the heat dissipation efficiency of the converter, but also improves the overall utilization rate of the converter space structure, reduces the production cost, and is suitable for promotion and application. However, in actual use, the above-mentioned device exists. When installing the converter, it is mostly fixed by bolts, which is very troublesome when disassembling and repairing. At the same time, repeated disassembly of the bolts will cause the device to loosen. For this reason, a DC-DC converter is proposed to solve the above problems. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a DC-DC converter, aiming to improve the problem in the prior art that it is very troublesome to fix, disassemble and repair by bolts, and repeated disassembly of the bolts may cause the device to become loose.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a DC-DC converter comprises a conversion box and a mounting seat, the top of the conversion box is fixedly connected with a box cover, the four corners of the bottom of the conversion box are fixedly connected with plug-in blocks, the adjacent sides of the plurality of plug-in blocks are provided with card slots, the four corners of the top of the mounting seat are provided with plug-in slots, the left and right sides of the interior of the mounting seat are fixedly connected with a fixed plate, the two fixed plates are slidably connected with sliding rods on the opposite sides, the adjacent ends of the two sliding rods penetrate the opposite sides of the fixed plate and are fixedly connected with a movable plate, the two movable plates are fixedly connected with a plurality of card columns on the opposite sides, the outer walls of the two sliding rods are fixedly connected with a spring, the front side of the mounting seat is threadedly connected with a screw, the rear end of the screw penetrates the front side of the mounting seat and is rotatably connected with a top block, the adjacent sides of the two movable plates are fixedly connected with an inclined block, and a heat dissipation mechanism is arranged inside the conversion box.

[0006] Through the above technical solution: by aligning the plug-in block with the plug-in slot for limited installation, and then driving the top block to slide inward by rotating the screw rod inward, the card column on the movable plate is driven to be quickly plugged into the card slot, thereby quickly completing the installation and fixation of the conversion box.

[0007] As a further description of the above technical solution:

[0008] The heat dissipation mechanism includes an internal element, the bottom of which is fixedly connected to the inner bottom of the conversion box, the top of which is fixedly connected to a plurality of heat dissipation plates, the rear side of which is fixedly connected to a partition, the interior of the conversion box is fixedly connected to a fan, the front sides of the two fans are fixedly connected to an air collecting hood, the front sides of the air collecting hoods are connected to air ducts, the other ends of the two air ducts pass through an adjacent side of the heat dissipation plate and are connected to the inner front side of the conversion box, the outer walls of the two air ducts are provided with a plurality of air holes, and the rear side of the conversion box is provided with a plurality of heat dissipation holes.

[0009] Through the above technical solution: the external air is discharged centrally through the air collecting hood by the fan, and the air is discharged through the air duct with a smaller inner diameter, which can reduce the temperature of the air, thereby achieving rapid heat dissipation for each heat sink and increasing the service life of internal components.

[0010] As a further description of the above technical solution:

[0011] A filter screen is fixedly connected to the inner side of the conversion box.

[0012] Through the above technical solution: the filter can prevent dust in the external air from entering the conversion box, thereby improving the cleanliness of the interior.

[0013] As a further description of the above technical solution:

[0014] The front end of the screw rod is fixedly connected with a rotating knob.

[0015] Through the above technical solution: the screw rod can be further rotated by the turning knob, which makes it more convenient to use.

[0016] As a further description of the above technical solution:

[0017] A plurality of mounting plates are fixedly connected to the left and right sides of the mounting seat, a plurality of mounting plates are provided with screw holes on the tops, and bolts are threadedly connected inside the plurality of screw holes.

[0018] Through the above technical solution: the mounting seat can be conveniently installed and fixed by using the mounting plate in conjunction with the bolts, thereby improving the firmness of the mounting seat.

[0019] As a further description of the above technical solution:

[0020] The front sides of the conversion boxes are fixedly connected with handles, and the outer walls of the two handles are fixedly connected with anti-slip sleeves.

[0021] Through the above technical solution: the conversion box can be conveniently taken by using the handle in conjunction with the anti-slip cover.

[0022] As a further description of the above technical solution:

[0023] An observation window is fixedly connected to the front side of the conversion box, and a reinforcing bolt is threadedly connected to the front side of the conversion box.

[0024] Through the above technical solution: the observation window can observe the actual conditions of the internal components in real time.

[0025] As a further description of the above technical solution:

[0026] A temperature detector is fixedly connected to the front side of the conversion box, and a controller is fixedly connected to the front side of the conversion box.

[0027] Through the above technical solution: the temperature inside the conversion box can be conveniently detected by the temperature detector, so that the rotation speed of the fan can be adjusted according to the internal temperature.

[0028] The utility model has the following beneficial effects:

[0029] 1. In the utility model, the plug-in block is inserted into the plug-in slot, the plug-in block and the conversion box are limited, and the top block is driven to slide forward by rotating the screw rod, so that the card column is expanded to both sides, and then inserted into the card slot to complete the installation and fixation of the conversion box, which can improve the installation efficiency and facilitate disassembly and maintenance.

[0030] 2. In the utility model, the temperature is absorbed by the heat sink, the fan is started to absorb the external air, the air collecting hood discharges the absorbed air in a centralized manner, and the air duct is arranged between each heat sink. The air can reduce its own temperature by passing through the air duct with a small inner diameter, thereby quickly dissipating the heat for each heat sink. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A three-dimensional schematic diagram of a DC-DC converter proposed by the utility model;

[0032] Figure 2 This is a schematic diagram of the structure of the heat dissipation device of the DC-DC converter proposed by the utility model;

[0033] Figure 3 This is a disassembled diagram of the DC-DC converter proposed in the utility model.

[0034] Legend:

[0035] 1. Conversion box; 2. Heat dissipation mechanism; 201. Internal components; 202. Heat dissipation plate; 203. Partition; 204. Fan; 205. Air hood; 206. Air duct; 207. Air hole; 208. Heat dissipation hole; 209. Filter; 3. Mounting seat; 4. Plug-in block; 5. Card slot; 6. Plug-in slot; 7. Fixed plate; 8. Slide rod; 9. Moving plate; 10. Card column; 11. Spring; 12. Screw; 13. Top block; 14. Bevel block; 15. Knob; 16. Mounting plate; 17. Screw hole; 18. Bolt; 19. Handle; 20. Anti-slip cover; 21. Observation window; 22. Controller; 23. Temperature detector; 24. Reinforcement bolt; 25. Box cover. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] Reference Figure 1 and Figure 3 The utility model provides an embodiment: a DC-DC converter, including a conversion box 1 and a mounting seat 3, a box cover 25 is fixedly connected to the top of the conversion box 1, plug-in blocks 4 are fixedly connected to the four corners of the bottom of the conversion box 1, and a plurality of plug-in blocks 4 are provided with card slots 5 on adjacent sides, and plug-in slots 6 are provided on the four corners of the top of the mounting seat 3. The left and right sides of the inside of the mounting seat 3 are fixedly connected to fixed plates 7, and the two fixed plates 7 are slidably connected to the sides away from each other with sliding rods 8, and the adjacent ends of the two sliding rods 8 penetrate the sides away from each other of the fixed plates 7 and are fixedly connected to the movable plates 9, and the two movable plates 9 is fixedly connected to the opposite side with a plurality of clamping columns 10, the outer walls of the two sliding rods 8 are fixedly connected with springs 11, the front side of the mounting seat 3 is threadedly connected with a screw rod 12, the rear end of the screw rod 12 passes through the front side of the mounting seat 3 and is rotatably connected with a top block 13, the adjacent sides of the two movable plates 9 are fixedly connected with an inclined block 14, a heat dissipation mechanism 2 is arranged inside the conversion box 1, a knob 15 is fixedly connected to the front end of the screw rod 12, a plurality of mounting plates 16 are fixedly connected to the left and right sides of the mounting seat 3, screw holes 17 are provided on the tops of the plurality of mounting plates 16, and bolts 18 are threadedly connected inside the plurality of screw holes 17.

[0038] Specifically, plug-in blocks 4 are fixed at the four corners of the bottom of the conversion box 1. The plug-in blocks 4 can not only facilitate the support of the device, but also provide a card slot 5 on the plug-in block 4. By plugging the plug-in block 4 into the plug-in slot 6 on the mounting seat 3, the plug-in block 4 and the conversion box 1 are limited. A fixing plate 7 is fixed inside the mounting seat 3. The sliding rod 8 is connected and installed through the fixing plate 7. The end of the sliding rod 8 is connected to the moving plate 9. The moving plate 9 is fixed on the side away from the moving plate 9. There are multiple card columns 10, the position of the card column 10 corresponds to the position of the card slot 5, and an inclined block 14 is fixed on the adjacent side of the movable plate 9. The front side of the mounting seat 3 is threadedly connected with a screw rod 12, and a top block 13 is installed at the end of the screw rod 12. The top block 13 is driven to slide forward by rotating the screw rod 12, and then the top block 13 is inserted between the adjacent inclined blocks 14, and then the movable plate 9 is driven to expand to both sides, so that the card column 10 is inserted into the card slot 5, thereby completing the installation and fixation of the conversion box 1.

[0039] Reference Figure 1 and Figure 2 The heat dissipation mechanism 2 includes an internal element 201, the bottom of the internal element 201 is fixedly connected to the inner bottom of the conversion box 1, the top of the internal element 201 is fixedly connected with a plurality of heat dissipation plates 202, the rear side of the internal element 201 is fixedly connected with a partition 203, the inside of the conversion box 1 is fixedly connected with a fan 204, the front sides of the two fans 204 are fixedly connected with an air collecting hood 205, the front sides of the air collecting hood 205 are connected with an air duct 206, the other ends of the two air ducts 206 pass through the adjacent side of the heat dissipation plate 202 and are connected to the front side of the interior of the conversion box 1, the outer walls of the two air ducts 206 are provided with a plurality of air holes 207, the rear side of the conversion box 1 is provided with a plurality of heat dissipation holes 208, and the inner side of the conversion box 1 is fixedly connected with a filter 209.

[0040] Specifically, an internal element 201 is installed inside the conversion box 1, and the operation of the conversion box 1 is controlled by the internal element 201. A plurality of heat sinks 202 are installed on the top of the internal element 201, and the heat sink 202 absorbs the temperature generated by the internal element 201, and then a fan 204 is installed inside the conversion box 1, and the fan 204 absorbs the external air through the heat dissipation holes 208, and an air collecting hood 205 is installed on the front side of the fan 204, and the absorbed air can be discharged centrally through the air collecting hood 205, and the front side of the air collecting hood 205 is connected to the air duct 206, and the air duct 206 is arranged between each heat dissipation plate 202, and then a plurality of air holes 207 are opened on the outer wall of the air duct 206, and the air temperature can be reduced by the air duct 206 with a small inner diameter, so that each heat dissipation plate 202 can be quickly cooled.

[0041] Reference Figure 1A handle 19 is fixedly connected to the front side of the conversion box 1, and an anti-slip cover 20 is fixedly connected to the outer walls of the two handles 19. An observation window 21 is fixedly connected to the front side of the conversion box 1. A reinforcing bolt 24 is threadedly connected to the front side of the conversion box 1. A temperature detector 23 is fixedly connected to the front side of the conversion box 1, and a controller 22 is fixedly connected to the front side of the conversion box 1.

[0042] Specifically, the handle 19 is installed on the front side of the conversion box 1 in conjunction with the anti-slip cover 20, which makes it easy to take it. At the same time, the observation window 21 and the temperature detector 23 can facilitate real-time observation of the device, and the controller 23 can facilitate simple operation and control of the operating equipment on the entire device.

[0043] Working principle: First, insert the plug-in block 4 into the plug-in slot 6 on the mounting seat 3, limit the plug-in block 4 and the conversion box 1, drive the top block 13 to slide forward by rotating the screw 12, and then insert the top block 13 between the adjacent inclined blocks 14, drive the movable plate 9 and the card column 10 to expand to both sides, so that the card column 10 is inserted into the card slot 5, thereby completing the installation and fixation of the conversion box 1, which can improve the installation efficiency and facilitate disassembly and maintenance. The temperature generated by the internal component 201 is absorbed by the heat sink 202, and the external air is sucked through the heat dissipation hole 208 by the fan 204, and the sucked air is discharged centrally through the air collecting hood 205. The air duct 206 is arranged between each heat sink 202. The air passing through the air duct 206 with a small inner diameter can reduce the temperature, thereby quickly dissipating the heat of each heat sink 202.

[0044] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A DC-DC converter, comprising a converter box (1) and a mounting base (3), characterized in that: The top of the conversion box (1) is fixedly connected to a box cover (25), the four corners of the bottom of the conversion box (1) are fixedly connected to plug-in blocks (4), adjacent sides of the plurality of plug-in blocks (4) are provided with card slots (5), the four corners of the top of the mounting seat (3) are provided with plug-in slots (6), the left and right sides of the inside of the mounting seat (3) are fixedly connected to fixed plates (7), the two fixed plates (7) are slidably connected to the sides away from each other with sliding rods (8), and the adjacent ends of the two sliding rods (8) penetrate the fixed plate (7). A movable plate (9) is fixedly connected to the side away from each other, a plurality of clamping columns (10) are fixedly connected to the sides away from each other of the two movable plates (9), springs (11) are fixedly connected to the outer walls of the two slide bars (8), a screw rod (12) is threadedly connected to the front side of the mounting seat (3), a rear end of the screw rod (12) passes through the front side of the mounting seat (3) and is rotatably connected to a top block (13), an adjacent side of the two movable plates (9) is fixedly connected to an inclined block (14), and a heat dissipation mechanism (2) is provided inside the conversion box (1).

2. The DC-DC converter according to claim 1, characterized in that: The heat dissipation mechanism (2) comprises an internal element (201), the bottom of the internal element (201) is fixedly connected to the inner bottom of the conversion box (1), the top of the internal element (201) is fixedly connected to a plurality of heat dissipation plates (202), the rear side of the internal element (201) is fixedly connected to a partition (203), the interior of the conversion box (1) is fixedly connected to a fan (204), the front sides of the two fans (204) are fixedly connected to an air collecting hood (205), the front sides of the air collecting hood (205) are connected to an air duct (206), the other ends of the two air ducts (206) pass through an adjacent side of the heat dissipation plate (202) and are connected to the inner front side of the conversion box (1), the outer walls of the two air ducts (206) are provided with a plurality of air holes (207), and the rear side of the conversion box (1) is provided with a plurality of heat dissipation holes (208).

3. The DC-DC converter according to claim 2, characterized in that: A filter screen (209) is fixedly connected to the inner side of the conversion box (1).

4. The DC-DC converter according to claim 1, characterized in that: A knob (15) is fixedly connected to the front end of the screw rod (12).

5. The DC-DC converter according to claim 1, characterized in that: A plurality of mounting plates (16) are fixedly connected to the left and right sides of the mounting seat (3); screw holes (17) are provided on the tops of the plurality of mounting plates (16); and bolts (18) are threadedly connected inside the plurality of screw holes (17).

6. The DC-DC converter according to claim 1, characterized in that: The front sides of the conversion boxes (1) are fixedly connected with handles (19), and the outer walls of the two handles (19) are fixedly connected with anti-slip sleeves (20).

7. The DC-DC converter according to claim 1, characterized in that: An observation window (21) is fixedly connected to the front side of the conversion box (1), and a reinforcing bolt (24) is threadedly connected to the front side of the conversion box (1).

8. The DC-DC converter according to claim 1, characterized in that: A temperature detector (23) is fixedly connected to the front side of the conversion box (1), and a controller (22) is fixedly connected to the front side of the conversion box (1).

Images