A heat dissipation device for DC-DC power supply module
By designing a DC-DC power supply module heat dissipation device including elastic extension components and multiple heat dissipation components, the problem of low adaptability of the heat dissipation device in the prior art is solved, and efficient heat dissipation of the DC-DC power supply module is achieved.
Patent Information
- Application Number
- CN202421428856.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-21
AI Technical Summary
The existing DC-DC power modules have low adaptability and are difficult to effectively dissipate heat.
A heat dissipation device including a DC-DC power module body, a heat dissipation case and an elastic extension assembly are designed. The distance between the heat dissipation shells is changed by elastic extension components, and the elastic force of the pull spring makes the heat dissipation shell clamp the module body to improve adaptability, and efficient heat dissipation is achieved through components such as thermal strips, refrigeration sheets and heat dissipation fins.
The adaptability of the heat dissipation device to the DC-DC power supply module is improved, the heat dissipation effect is enhanced, and the module is efficiently dissipated.
Smart Images
Figure CN222750766U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of power module heat dissipation assistance, in particular to a heat dissipation device for a DC-DC power module. Background Art
[0002] The power module is a power supply that can be directly mounted on a printed circuit board. It can provide power for application-specific integrated circuits (ASICs), digital signal processors (DSPs), microprocessors, memories, field programmable gate arrays (FPGAs) and other digital or analog loads. Generally speaking, this type of module is called a point-of-load (POL) power supply system or a point-of-use power supply system (PUPS). Due to the many advantages of the modular structure, modular power supplies are widely used in switching equipment, access equipment, mobile communications, microwave communications, optical transmission, routers and other communication fields, as well as automotive electronics, aerospace, etc.
[0003] In the prior art, the heat dissipation devices of DC-DC power modules are matched with the DC-DC power modules in order to better dissipate heat. The same heat dissipation device has low adaptability to another DC-DC power module. Therefore, we propose a heat dissipation device for DC-DC power modules. Utility Model Content
[0004] The utility model is to solve the shortcomings in the prior art and propose a heat dissipation device for a DC-DC power module. The heat dissipation device for a DC-DC power module solves the problem of low adaptability of the heat dissipation device.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A heat dissipation device for a DC-DC power module comprises a DC-DC power module body, a first heat dissipation shell is arranged on the left side of the DC-DC power module body, a second heat dissipation shell is arranged on the right side of the DC-DC power module body, an elastic extension component is arranged between the first heat dissipation shell and the second heat dissipation shell, and the elastic extension component is used to change the distance between the first heat dissipation shell and the second heat dissipation shell.
[0007] Preferably, the elastic extension component includes two fixed plates, and the two fixed plates are respectively fixedly arranged on one side of the heat dissipation shell one and the heat dissipation shell two, and a guide tube is slidably sleeved on one side of the fixed plate. The two ends of the guide tube are respectively placed in the heat dissipation shell one and the heat dissipation shell two, and limiting plates are arranged at both ends of the guide tube. A tension spring is arranged between the two fixed plates, and the tension spring is sleeved on the outside of the guide tube.
[0008] Through the above technical solution, according to the size of the DC-DC power module body, the heat dissipation shell 1 and the heat dissipation shell 2 are pulled, and the two fixing plates pull the tension spring while the heat dissipation shell 1 and the heat dissipation shell 2 are pulled, and then the DC-DC power module body is clamped between the heat dissipation shell 1 and the heat dissipation shell 2, and the elastic force of the tension spring is used to pull back the heat dissipation shell 1 and the heat dissipation shell 2, so that the heat dissipation shell 1 and the heat dissipation shell 2 clamp the DC-DC power module body, thereby improving the adaptability of the heat dissipation device for the DC-DC power module.
[0009] Preferably, a cooling fin 1 is disposed on one side of the first heat dissipation shell and the second heat dissipation shell, and a cooling fin 2 is disposed on the upper side of the first heat dissipation shell and the second heat dissipation shell.
[0010] Preferably, heat dissipation fins are provided at the upper corners of the heat dissipation shell 1 and the heat dissipation shell 2.
[0011] Preferably, a plurality of heat-conducting strips are provided between the heat dissipation shell 1 and the heat dissipation shell 2 on the side opposite to the DC-DC power module body.
[0012] Through the above technical solution, the heat conductive strip guides the heat of the DC-DC power module body to the heat dissipation shell 1 and the heat dissipation shell 2, and the heat received by the heat dissipation shell 1 and the heat dissipation shell 2 is then dissipated through the guidance of the cooling plate 1 and the cooling plate 2, thereby providing a heat conduction and heat dissipation function for the DC-DC power module body.
[0013] Preferably, the heat dissipation shell 1 and the heat dissipation shell 2 are both provided with a fixing part on one side opposite to the DC-DC power module body, and the fixing part includes a fixing rod, and the heat dissipation shell 1 and the heat dissipation shell 2 are both provided with a threaded hole on one side, and the fixing rod is threadedly connected in the threaded hole, and one end of the fixing rod is in conflict with one side of the DC-DC power module body, and the fixing rod is arranged in a cavity structure, and one end of the fixing rod is provided with a hexagonal block, and one side of the hexagonal block is provided with a hexagonal groove, and a plurality of heat dissipation holes are provided in the hexagonal groove.
[0014] Through the above technical solution, the hexagonal block is rotated to make the fixing rod move in the threaded hole to fix the DC-DC power module body against the DC-DC power module body. At the same time, the heat generated by the DC-DC power module body is guided to the fixing rod, and the cavity of the fixing rod cooperates with the heat dissipation hole to dissipate the heat, thereby providing a fixed limit and having a heat dissipation effect at the same time.
[0015] In summary, the utility model, according to the size of the DC-DC power module body, pulls the heat dissipation shell one and the heat dissipation shell two, and while the heat dissipation shell one and the heat dissipation shell two are pulled, the two fixing plates pull the tension spring, and then the DC-DC power module body is clamped between the heat dissipation shell one and the heat dissipation shell two, and the elastic force of the tension spring is used to pull back the heat dissipation shell one and the heat dissipation shell two, so that the heat dissipation shell one and the heat dissipation shell two clamp the DC-DC power module body, thereby improving the adaptability of the heat dissipation device for the DC-DC power module.
[0016] In the utility model, the heat conducting strip guides the heat of the DC-DC power module body to the heat dissipation shell 1 and the heat dissipation shell 2, and the heat received by the heat dissipation shell 1 and the heat dissipation shell 2 is dissipated through the guidance of the cooling plate 1 and the cooling plate 2, thereby providing a heat conduction and heat dissipation function for the DC-DC power module body.
[0017] The utility model rotates the hexagonal block to make the fixing rod move in the threaded hole to fix the DC-DC power module body against the body, and at the same time, the heat generated by the DC-DC power module body is guided to the fixing rod, and the cavity of the fixing rod cooperates with the heat dissipation hole to dissipate the heat, thereby providing a fixed limit and having a heat dissipation effect at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the structure of the front axial side of the utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the utility model cut from the front side on the axial side;
[0020] Figure 3 It is a schematic diagram of the explosive structure of the utility model;
[0021] Figure 4 It is a structural schematic diagram of the fixing member of the utility model.
[0022] In the figure: 1. DC-DC power module body; 2. Heat sink shell 1; 3. Heat sink shell 2; 4. Fixing piece; 41. Fixing rod; 42. Hexagonal block; 43. Hexagonal slot; 44. Heat dissipation hole; 5. Cooling plate 1; 6. Cooling plate 2; 7. Heat dissipation fin; 8. Thermal conductive strip; 9. Fixing plate; 10. Guide tube; 11. Tension spring; 12. Limiting piece. DETAILED DESCRIPTION
[0023] 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.
[0024] like Figure 1-Figure 4As shown, a heat dissipation device for a DC-DC power module includes a DC-DC power module body 1, a heat dissipation shell 1 2 is arranged on the left side of the DC-DC power module body 1, a heat dissipation shell 2 3 is arranged on the right side of the DC-DC power module body 1, an elastic extension component is arranged between the heat dissipation shell 1 2 and the heat dissipation shell 2 3, and the heat dissipation shell 1 2 and the heat dissipation shell 2 3 are filled with cooling oil,
[0025] The elastic extension component is used to change the distance between the heat dissipation shell 1 2 and the heat dissipation shell 2 3. The elastic extension component includes two fixing plates 9. The two fixing plates 9 are fixedly arranged on one side of the heat dissipation shell 1 2 and the heat dissipation shell 2 3 respectively. A guide tube 10 is slidably sleeved on one side of the fixing plate 9. The two ends of the guide tube 10 are respectively placed in the heat dissipation shell 1 2 and the heat dissipation shell 2 3. Both ends of the guide tube 10 are provided with a limiting piece 12. A tension spring 11 is arranged between the two fixing plates 9. The tension spring 11 is sleeved on the outside of the guide tube 10.
[0026] A cooling sheet 1 5 is provided on one side of the heat dissipation shell 1 2 and the heat dissipation shell 2 3, a cooling sheet 2 6 is provided on the upper side of the heat dissipation shell 1 2 and the heat dissipation shell 2 3, heat dissipation fins 7 are provided at the upper corners of the heat dissipation shell 1 2 and the heat dissipation shell 2 3, a plurality of heat conducting strips 8 are provided between the heat dissipation shell 1 2 and the heat dissipation shell 2 3 and the side opposite to the DC-DC power module body 1, and a fixing member 4 is provided on the side opposite to the DC-DC power module body 1 of the heat dissipation shell 1 2 and the heat dissipation shell 2 3.
[0027] The fixing member 4 includes a fixing rod 41. A threaded hole is provided on one side of the heat dissipation shell 1 2 and the heat dissipation shell 2 3. The fixing rod 41 is threadedly connected in the threaded hole, and one end of the fixing rod 41 is in conflict with one side of the DC-DC power module body 1. The fixing rod 41 is arranged in a cavity structure. A hexagonal block 42 is provided at one end of the fixing rod 41. A hexagonal groove 43 is provided on one side of the hexagonal block 42. A plurality of heat dissipation holes 44 are provided in the hexagonal groove 43.
[0028] In this embodiment, according to the size of the DC-DC power module body 1, the heat dissipation shell 1 2 and the heat dissipation shell 2 3 are pulled, and the two fixing plates 9 pull the tension spring 11 while the heat dissipation shell 1 2 and the heat dissipation shell 2 3 are pulled, and then the DC-DC power module body 1 is clamped between the heat dissipation shell 1 2 and the heat dissipation shell 2 3, and the elastic force of the tension spring 11 is used to pull back the heat dissipation shell 1 2 and the heat dissipation shell 2 3, so that the heat dissipation shell 1 2 and the heat dissipation shell 2 3 clamp the DC-DC power module body 1, and the thermal conductive strip 8 guides the heat of the DC-DC power module body 1 to the heat dissipation shell 1 2 and the heat dissipation shell 2 3, and the heat received by the heat dissipation shell 1 2 and the heat dissipation shell 2 3 is dissipated through the guidance of the cooling plate 1 5 and the cooling plate 2 6, and the hexagonal block 42 is rotated to make the fixing rod 41 move in the threaded hole to resist and fix the DC-DC power module body 1, and at the same time, the heat generated by the DC-DC power module body 1 is guided to the fixing rod 41, and the cavity of the fixing rod 41 cooperates with the heat dissipation hole 44 to dissipate the heat.
[0029] 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 replacements 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
1. A heat dissipation device for a DC-DC power module, comprising a DC-DC power module body (1), characterized in that: A heat dissipation shell 1 (2) is arranged on the left side of the DC-DC power module body (1), a heat dissipation shell 2 (3) is arranged on the right side of the DC-DC power module body (1), and an elastic extension component is arranged between the heat dissipation shell 1 (2) and the heat dissipation shell 2 (3), and the elastic extension component is used to change the distance between the heat dissipation shell 1 (2) and the heat dissipation shell 2 (3).
2. A heat dissipation device for a DC-DC power module according to claim 1, characterized in that: The elastic extension component comprises two fixing plates (9), the two fixing plates (9) are respectively fixedly arranged on one side of the heat dissipation shell 1 (2) and the heat dissipation shell 2 (3), a guide tube (10) is slidably sleeved on one side of the fixing plate (9), the two ends of the guide tube (10) are respectively placed in the heat dissipation shell 1 (2) and the heat dissipation shell 2 (3), both ends of the guide tube (10) are provided with limiting plates (12), a tension spring (11) is arranged between the two fixing plates (9), and the tension spring (11) is sleeved on the outside of the guide tube (10).
3. The heat dissipation device for a DC-DC power module according to claim 1, characterized in that: A cooling fin 1 (5) is disposed on one side of the heat dissipation shell 1 (2) and the heat dissipation shell 2 (3), and a cooling fin 2 (6) is disposed on the upper side of the heat dissipation shell 1 (2) and the heat dissipation shell 2 (3).
4. The heat dissipation device for a DC-DC power module according to claim 1, characterized in that: Heat dissipation fins (7) are provided at the upper corners of the heat dissipation shell 1 (2) and the heat dissipation shell 2 (3).
5. The heat dissipation device for a DC-DC power module according to claim 1, characterized in that: A plurality of heat-conducting strips (8) are provided between the heat-dissipating shell 1 (2) and the heat-dissipating shell 2 (3) on the side opposite to the DC-DC power module body (1).
6. The heat dissipation device for a DC-DC power module according to claim 1, characterized in that: The heat dissipation shell 1 (2) and the heat dissipation shell 2 (3) are both provided with a fixing part (4) on one side opposite to the DC-DC power module body (1), and the fixing part (4) comprises a fixing rod (41). The heat dissipation shell 1 (2) and the heat dissipation shell 2 (3) are both provided with a threaded hole on one side, and the fixing rod (41) is threadedly connected in the threaded hole, and one end of the fixing rod (41) is in conflict with one side of the DC-DC power module body (1). The fixing rod (41) is provided in a cavity structure, and one end of the fixing rod (41) is provided with a hexagonal block (42), and one side of the hexagonal block (42) is provided with a hexagonal groove (43), and a plurality of heat dissipation holes (44) are provided in the hexagonal groove (43).