A DC-DC converter with good heat dissipation effect

Abstract

The utility model relates to a DC-DC converter with good heat dissipation effect, comprising a converter body, wherein both left and right sides of the converter body are provided with terminal heads, the upper side wall and the side walls on the front and rear sides of the converter body are provided with a plurality of heat dissipation ribs extending in the left and right sides in the length direction, a heat dissipation pipe is provided on the upper side of the converter body, and mounting grooves for the heat dissipation pipe to pass through and be installed are provided on the heat dissipation ribs, the upper side wall of the converter body is fixedly connected with waterproof baffles on both sides of the heat dissipation pipe, and the waterproof baffles extend to the front and rear sides of the converter body, the heat dissipation ribs and the heat dissipation pipe can effectively dissipate heat for the DC-DC converter, and the waterproof baffles can prevent the heat dissipation pipe from leaking or the water condensed on the heat dissipation pipe from dripping, thereby ensuring the safety of the use of the DC-DC converter and reducing the risk of electrical short circuit.

Description

Technical Field

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

[0002] A DC-DC converter, also known as a DC / DC conversion power supply, converts a DC voltage level into another different DC voltage level, either by boosting (increasing the voltage), bucking (reducing the voltage), or buck-boosting (both boosting and bucking). This conversion is crucial for modern electronic systems, because different electronic components and subsystems often require power supplies at different voltage levels. It is widely used in a variety of fields, from consumer electronics, automotive electronics, aerospace to industrial control.

[0003] The existing DC-DC converter is prone to damage to internal electronic components due to excessive temperature due to long-term operation, and the heat dissipation effect is not ideal. Therefore, the existing patent publication (publication) number CN215344373U is a DC-DC converter with a linear over-temperature protection function. In order to improve the heat dissipation effect, a buckle (6) is fixedly installed on the upper surface of the protection box (3), and a heat dissipation pipe (7) is fixedly installed in the buckle (6). The front and rear side surfaces of the protection box (3) are provided with ventilation holes (8).

[0004] The heat dissipation effect of this structure is indeed good. However, once the heat pipe is damaged by collision or corroded, etc., if cooling water is used in the heat pipe, it is easy to leak into the ventilation port and affect the electrical components inside the DC-DC converter or flow into the wiring port to cause a short circuit. In addition, even if the heat pipe does not leak, the outer wall of the heat pipe is easy to condense moisture in the air on the outer wall of the heat pipe due to its low temperature. When dripping, this moisture may also flow into the ventilation port and affect the electrical components inside the DC-DC converter or flow into the wiring port, causing the risk of electrical short circuit. In view of this, the present application makes improvements. Utility Model Content

[0005] The utility model provides a DC-DC converter with good heat dissipation effect, which solves the above problems existing in the use process of the prior art.

[0006] The technical solution of the utility model is implemented as follows: a DC-DC converter with good heat dissipation effect, including a converter body, the left and right sides of the converter body are provided with terminal heads, the upper side wall of the converter body and the side walls on the front and rear sides are provided with a plurality of heat dissipation ribs extending in the left and right sides in the length direction, a heat dissipation pipe is provided on the upper side of the converter body, and the heat dissipation ribs are provided with installation slots for the heat dissipation pipe to pass through and be installed therein, the upper side wall of the converter body is fixedly connected with waterproof baffles on the left and right sides of the heat dissipation pipe, and the waterproof baffles extend to the front and rear sides of the converter body.

[0007] Preferably, the heat dissipation pipe is wavy and has a refrigerant inlet and a refrigerant outlet.

[0008] Preferably, a fixing strip for fixing the heat dissipation tube is provided on the converter body, the fixing strip is fixed to the converter body by screws, and the fixing strip includes a raised portion which passes over the upper side of the heat dissipation tube to press it.

[0009] Preferably, both left and right sides of the fixing strip are provided with connecting pieces that fit on the waterproof baffle, and bolts are provided between the waterproof baffle and the connecting pieces.

[0010] Preferably, the upper side wall of the converter body is provided with a drainage groove extending from rear to front, the drainage groove passes through the lower side of the heat dissipation rib and the fixing strip, and the drainage groove penetrates out of the front side of the converter body.

[0011] Preferably, a water receiving box located below the drainage groove is provided on the front side of the converter body.

[0012] Preferably, a water-absorbing sponge is provided in the water receiving box.

[0013] In summary, the beneficial effects of the present invention are:

[0014] 1. Compared with the prior art, the present invention does not have a vent, but dissipates heat through the heat dissipation ribs on the upper side wall and the front and rear side walls of the converter body. Combined with the arrangement of the heat dissipation pipe, when cooling water or cold air is passed into the heat dissipation pipe, the DC-DC converter can be effectively cooled. In addition, the upper side wall of the converter body is fixedly connected with waterproof baffles on the left and right sides of the heat dissipation pipe, and the waterproof baffles extend to the front and rear sides of the converter body. The waterproof baffles can prevent the heat dissipation pipe from leaking or condensing on the heat dissipation pipe from dripping, which affects the wiring terminals on the left and right sides of the converter body, thereby ensuring the safety of the DC-DC converter and reducing the risk of electrical short circuit.

[0015] 2. The wavy heat dissipation pipe can effectively dissipate heat for the utility model, and the fixing strip can firmly and reliably fix the heat dissipation pipe on the converter body and prevent it from falling off.

[0016] 3. When the heat pipe leaks or water condensed on the heat pipe drips, the drainage groove can be used to allow the liquid to flow out from the drainage groove to prevent the utility model from being affected. In addition, the water collection box can be used to catch the liquid to prevent it from dripping onto other equipment, and the absorbent sponge can absorb the liquid to prevent it from being shaken out due to the shaking of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a top view of the utility model;

[0020] Figure 3 It is a schematic diagram of the structure of the utility model when observing from the front angle.

[0021] In the figure: 1. Converter body; 11. Drain groove; 2. Terminal head; 3. Heat dissipation rib; 31. Installation notch; 4. Heat dissipation pipe; 41. Refrigerant inlet; 42. Refrigerant outlet; 5. Waterproof baffle; 6. Fixing strip; 61. Raised part; 62. Connecting piece; 63. Bolt; 64. Screw; 7. Water collecting box; 8. Water-absorbing sponge. DETAILED DESCRIPTION

[0022] The following will be combined with the attached embodiment of the present utility model Figure 1-3 , 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 them. Based on the embodiments of 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.

[0023] Example:

[0024] like Figures 1 to 3As shown, the utility model discloses a DC-DC converter with good heat dissipation effect, including a converter body 1, a terminal block 2 is arranged on the left and right sides of the converter body 1, and a plurality of heat dissipation ribs 3 extending in the length direction to the left and right sides are arranged on the upper side wall and the side walls on the front and rear sides of the converter body 1. In addition, a heat dissipation pipe 4 is also arranged on the upper side of the converter body 1, and a mounting slot 31 for the heat dissipation pipe 4 to pass through and be installed is opened on the heat dissipation rib 3. When cooling water or cold air is passed into the heat dissipation pipe 4, the heat dissipation pipe 4 combined with the arrangement of the heat dissipation rib 3 can effectively dissipate the heat of the DC-DC converter. In addition, the upper side wall of the converter body 1 is fixedly connected with a waterproof baffle 5 on the left and right sides of the heat dissipation pipe 4, and the waterproof baffle 5 extends to the front and rear sides of the converter body 1. The waterproof baffle 5 can prevent the heat dissipation pipe 4 from leaking or the water condensed on the heat dissipation pipe 4 from dripping, which affects the terminal blocks 2 on the left and right sides of the converter body 1, thereby ensuring the safety of the DC-DC converter and reducing the risk of electrical short circuit.

[0025] The heat dissipation tube 4 is in a wavy shape, which can dissipate heat on the upper side of the converter body 1 over a larger area. The heat dissipation tube 4 is provided with a refrigerant inlet 41 and a refrigerant outlet 42 for connecting cooling water and cold air.

[0026] In order to fix the heat pipe 4, a fixing strip 6 for fixing the heat pipe 4 is provided on the converter body 1. In the present embodiment, there are two fixing strips 6, which are fixed to the converter body 1 by screws 64, wherein the fixing strips 6 include a raised portion 61 which passes over the upper side of the heat pipe 4 to press it.

[0027] Furthermore, connecting pieces 62 that are attached to the waterproof baffle 5 are provided on both the left and right sides of the fixing strip 6, and bolts 63 are provided between the waterproof baffle 5 and the connecting piece 62. The connecting piece 62 and the waterproof baffle 5 are fixed by the bolts 63, thereby further improving the structural strength of the fixing strip 6 to fix the heat pipe 4.

[0028] In the utility model, the upper side wall of the converter body 1 is provided with a drainage groove 11 extending from the rear to the front, and the drainage groove 11 passes through the lower side of the heat dissipation rib 3 and the fixing strip 6. Finally, the drainage groove 11 penetrates the front side of the converter body 1, so that the moisture can be effectively led to the front side of the converter body 1, and the front side of the converter body 1 is provided with a water receiving box 7 located at the lower side of the drainage groove 11. The water receiving box 7 can be used to collect these liquids to prevent them from dripping onto other equipment. In addition, a water-absorbing sponge 8 is also provided in the water receiving box 7. The water-absorbing sponge 8 can absorb these liquids to prevent these liquids from being shaken out due to shaking of the equipment.

[0029] It should also be pointed out that the terms used in the present invention, such as "front", "rear", "vertical", "horizontal", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only used to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. 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 with good heat dissipation effect, comprising a converter body, wherein both left and right sides of the converter body are provided with terminal blocks, characterized in that: The upper side wall and the side walls on the front and rear sides of the converter body are provided with a plurality of heat dissipation ribs extending in the left and right directions in the length direction. A heat dissipation pipe is provided on the upper side of the converter body. The heat dissipation ribs are provided with installation slots for the heat dissipation pipe to pass through and be installed therein. The upper side wall of the converter body is fixedly connected with waterproof baffles on the left and right sides of the heat dissipation pipe, and the waterproof baffles extend to the front and rear sides of the converter body.

2. A DC-DC converter with good heat dissipation effect according to claim 1, characterized in that: The heat dissipation pipe is in a wavy shape and is provided with a refrigerant inlet and a refrigerant outlet.

3. A DC-DC converter with good heat dissipation effect according to claim 2, characterized in that: The converter body is provided with a fixing strip for fixing the heat dissipation pipe, the fixing strip is fixed to the converter body by screws, and the fixing strip includes a bulge that passes over the upper side of the heat dissipation pipe to press it.

4. A DC-DC converter with good heat dissipation effect according to claim 3, characterized in that: The left and right sides of the fixed sheet strip are both provided with connecting sheets which are attached to the waterproof baffle, and bolts are arranged between the waterproof baffle and the connecting sheets.

5. A DC-DC converter with good heat dissipation effect according to claim 1, characterized in that: The upper side wall of the converter body is provided with a drainage groove extending from rear to front, the drainage groove passes through the lower side of the heat dissipation rib and the fixing strip, and the drainage groove penetrates the front side of the converter body.

6. A DC-DC converter with good heat dissipation effect according to claim 5, characterized in that: A water receiving box located at the lower side of the drainage groove is provided on the front side of the converter body.

7. A DC-DC converter with good heat dissipation effect according to claim 6, characterized in that: A water absorbing sponge is arranged in the water receiving box.

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