Direct-current power supply circuit heat dissipation device with dustproof function
By designing dust-proof and heat dissipation mechanisms and thermal conduction mechanisms in the DC power supply circuit heat dissipation device, the problem of reduced rotation speed caused by dust adhesion of the fan unit is solved, and a more stable heat dissipation effect is achieved.
Patent Information
- Application Number
- CN202420931494.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-30
AI Technical Summary
The fan unit of the existing DC power circuit heat dissipation device is prone to dust after long-term use, resulting in a reduced rotational speed and affecting the heat dissipation efficiency.
A DC power circuit heat dissipation device with dustproof function is designed, including a heat conducting block, a dust-proof heat dissipation mechanism and a heat conducting mechanism. The dust-proof and heat dissipation mechanism prevents dust from adhering by setting up a dustproof cover and hook structure, and the heat conduction mechanism realizes effective heat extraction through the heat transfer block and the heat transfer rod.
Effectively prevent dust from adhesion and reduce speed, improve heat dissipation stability, and improve heat derivation efficiency through the thermal conductivity mechanism to enhance heat dissipation effect.
Smart Images
Figure CN222263467U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat dissipation devices, in particular to a heat dissipation device for a DC power supply circuit with a dustproof function. Background Art
[0002] A DC power supply is a device that maintains constant voltage and current in a circuit. It has two electrodes. When the two electrodes are connected to the circuit, a constant potential difference can be maintained between the two ends of the circuit, thereby establishing a connection with an external circuit. In order to maintain the stability of the DC power supply circuit, a heat sink is required to assist the DC power supply circuit in dissipating heat.
[0003] According to the description of a heat dissipation device for a driving isolation circuit of a DC power supply disclosed in the patent website (authorization announcement number: CN216017595 U), "the utility model discloses a heat dissipation device for a driving isolation circuit of a DC power supply, including a heat dissipation block, a movable frame and a fan unit, the heat dissipation block includes a main block and a fin plate, the fin plate is evenly arranged on the outer surface of the main block, and the fin plate and the main block are formed as one piece, the movable frame is installed in the middle of the main block, and the movable frame is slidably connected to the main block, the fan unit is installed in the middle of the movable frame, and the fan unit is fixedly connected to the movable frame, ensuring that the user can stably install the movable frame through the main block for use when needed, by providing a guide groove on the main block to ensure that the movable frame can stably slide in the middle of the main block through the guide block, when the user needs to install the movable frame, the user needs to first stably fix the motor in the middle of the frame plate, and stably fix the heat dissipation plate on the frame plate, and at the same time, the heat dissipation plate is attached with a silicone patch to achieve contact with the circuit board."
[0004] In view of the above description, the applicant believes that there are the following problems:
[0005] During use, the utility model installs silica gel on the heat sink to contact the circuit board, uses the rotation of the fan unit to dissipate heat, and uses the movable frame to drive the silica gel patch to stably support it on the circuit board. However, in actual use, the fan unit of the heat sink is exposed to the outside. After long-term use, dust will adhere to the outside of the fan unit, resulting in a decrease in the rotation speed, which affects the heat dissipation efficiency of the heat sink for the DC power supply circuit. Therefore, it is necessary to improve a DC power supply circuit heat sink with a dustproof function to solve the above problems. Utility Model Content
[0006] The purpose of the utility model is to provide a DC power supply circuit heat dissipation device with dustproof function to solve the problems raised in the above background technology.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a DC power supply circuit heat dissipation device with dustproof function, comprising a heat conductive block, a dustproof heat dissipation mechanism is arranged on the top of the heat conductive block, and a heat conductive mechanism is arranged on the bottom of the heat conductive block.
[0008] The dustproof heat dissipation mechanism comprises a heat dissipation installation component and a dustproof installation component, and the dustproof installation component is arranged outside the heat dissipation installation component.
[0009] Preferably, the installed heat dissipation component includes a docking threaded column, which is fixedly installed inside the heat conductive block, and the internal thread of the docking threaded column is installed with a bolt, and a round pad and a heat dissipation fan are arranged outside the bolt, and a gasket is fixedly installed at the bottom of the heat dissipation fan, so as to facilitate the heat dissipation of the heat conductive block by installing the heat dissipation component.
[0010] Preferably, the bolt is slidably installed inside the heat dissipation fan, the round pad is arranged inside the heat dissipation fan, holes are opened at corresponding positions of the heat conductive block and the docking threaded column, and the docking threaded column is fixedly installed inside the hole opened inside the heat conductive block, so as to facilitate the installation of the heat dissipation fan under normal conditions.
[0011] Preferably, the dust-proof installation component includes a fixing ring, which is fixedly installed on the outside of the heat dissipation fan, an L-shaped block is fixedly installed on the bottom of the fixing ring, a spring is fixedly installed on the inner side of the bottom of the L-shaped block, a hook is fixedly installed on the end of the spring away from the L-shaped block, a dust cover is slidably installed on the outside of the heat dissipation fan, and a clamping ring is fixedly installed on the outside of the dust cover, so as to facilitate dust protection of the heat dissipation component by installing the dust-proof assembly.
[0012] Preferably, a rectangular hole is provided inside the clamp ring, and the hook is clamped inside the rectangular hole provided inside the clamp ring, so as to facilitate fixing the dust cover.
[0013] Preferably, the heat conduction mechanism includes a heat dissipation fin, which is fixedly mounted on the outside of the heat conduction block, a fixing frame is fixedly mounted on the outside of the heat dissipation fin, a heat transfer rod is fixedly mounted on the bottom of the heat conduction block, and a heat transfer block is fixedly mounted on the bottom of the heat transfer rod, so as to facilitate heat conduction of the DC power supply circuit through the heat conduction mechanism.
[0014] Preferably, four fixing frames are provided, and the four fixing frames are evenly distributed outside the heat dissipation fins, thereby improving the stability of fixing.
[0015] Compared with the prior art, the utility model provides a DC power supply circuit heat dissipation device with dustproof function, which has the following beneficial effects:
[0016] 1. The DC power supply circuit heat dissipation device with dust-proof function has a dust-proof heat dissipation mechanism. During use, the heat dissipation fan is aligned with the docking threaded column, and the heat dissipation fan can be fixed by using a round washer. The provided bolts and washers can reduce the vibration noise generated by the rotation of the heat dissipation fan blades. The heat dissipation fan is used to dissipate the heat of the heat conductive block. The dust cover is covered on the outside of the heat dissipation fan, and the hook is pulled to engage with the clamp ring. Under the action of the spring, the dust cover is tightened. At this time, the installed dust cover can provide dust protection for the heat dissipation fan, avoid the exposed heat dissipation fan from being attached to dust and then reducing its rotation speed, and improve the heat dissipation stability of the heat dissipation device.
[0017] 2. The DC power supply circuit heat dissipation device with dustproof function has a heat conduction mechanism. During use, the heat dissipation device can be fixed by a fixed frame. Silicone grease is provided at the bottom of the heat transfer block to make it contact with the DC power supply circuit. Under the heat transfer of the heat transfer block and the heat transfer rod, the heat is introduced into the interior of the heat transfer block, thereby realizing the function of heat conduction of the heat dissipated by the DC power supply circuit. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:
[0019] Figure 1 This is a schematic diagram of the appearance structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the appearance structure of the dust-proof heat dissipation mechanism of the utility model;
[0021] Figure 3 This is a schematic diagram of the exploded appearance structure of the heat dissipation component installed in the utility model;
[0022] Figure 4 This is a schematic diagram of the appearance and structure of the dustproof component installed in the utility model;
[0023] Figure 5 It is a schematic diagram of the appearance structure of the heat conduction mechanism of the utility model.
[0024] In the figure: 1. heat conduction block; 2. dust-proof heat dissipation mechanism; 21. installation of heat dissipation assembly; 211. docking threaded column; 212. bolt; 213. round pad; 214. heat dissipation fan; 215. gasket; 22. installation of dust-proof assembly; 221. fixing ring; 222. L-shaped block; 223. spring; 224. hook; 225. clamping ring; 226. dust cover; 3. heat conduction mechanism; 31. heat dissipation fin replacement; 32. fixing frame; 33. heat transfer rod; 34. heat transfer block. DETAILED DESCRIPTION
[0025] 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.
[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0027] Embodiment 1:
[0028] See also Figure 1-4 The utility model provides a technical solution: a DC power supply circuit heat dissipation device with dustproof function, comprising a heat conductive block 1, a dustproof heat dissipation mechanism 2 is arranged on the top of the heat conductive block 1, and a heat conductive mechanism 3 is arranged on the bottom of the heat conductive block 1.
[0029] The dustproof heat dissipation mechanism 2 comprises a heat dissipation installation component 21 and a dustproof installation component 22 . The dustproof installation component 22 is arranged outside the heat dissipation installation component 21 .
[0030] Furthermore, the installation of the heat dissipation component 21 includes a docking threaded column 211, which is fixedly installed inside the heat conductive block 1, and the internal thread of the docking threaded column 211 is installed with a bolt 212, and the outside of the bolt 212 is provided with a round pad 213 and a heat dissipation fan 214, and the bottom of the heat dissipation fan 214 is fixedly installed with a gasket 215, so as to facilitate the heat dissipation of the heat conductive block 1 by installing the heat dissipation component 21.
[0031] Furthermore, the bolt 212 is slidably installed inside the heat dissipation fan 214, the round pad 213 is arranged inside the heat dissipation fan 214, holes are opened at corresponding positions of the heat conductive block 1 and the docking threaded column 211, and the docking threaded column 211 is fixedly installed inside the hole opened inside the heat conductive block 1, so as to facilitate the installation of the heat dissipation fan 214 under normal conditions.
[0032] Furthermore, the dustproof component 22 is installed to include a fixing ring 221, which is fixedly installed on the outside of the heat dissipation fan 214. An L-shaped block 222 is fixedly installed on the bottom of the fixing ring 221, a spring 223 is fixedly installed on the inner side of the bottom of the L-shaped block 222, and a hook 224 is fixedly installed on the end of the spring 223 away from the L-shaped block 222. A dust cover 226 is slidably installed on the outside of the heat dissipation fan 214, and a clamping ring 225 is fixedly installed on the outside of the dust cover 226, so as to facilitate dustproofing of the heat dissipation component 21 by installing the dustproof component 22.
[0033] Furthermore, a rectangular hole is formed inside the clamp ring 225 , and the hook 224 is engaged with the rectangular hole formed inside the clamp ring 225 , so as to fix the dust cover 226 .
[0034] Embodiment 2:
[0035] See also Figure 5 In combination with the first embodiment, it is further obtained that the heat conduction mechanism 3 includes a heat dissipation fin 31, the heat dissipation fin 31 is fixedly installed on the outside of the heat conduction block 1, a fixing frame 32 is fixedly installed on the outside of the heat dissipation fin 31, a heat transfer rod 33 is fixedly installed on the bottom of the heat conduction block 1, and a heat transfer block 34 is fixedly installed on the bottom of the heat transfer rod 33, so as to facilitate heat conduction of the DC power supply circuit through the heat conduction mechanism 3.
[0036] Furthermore, four fixing frames 32 are provided, and the four fixing frames 32 are evenly distributed outside the heat dissipation fins 31 , thereby improving the stability of the fixing.
[0037] In actual operation, when the device is used, the heat dissipation fan 214 is aligned with the docking threaded column 211, and the heat dissipation fan 214 can be fixed by using the round washer 213. The provided bolts 212 and washers 215 can reduce the vibration noise generated by the rotation of the blades of the heat dissipation fan 214. The heat dissipation fan 214 is used to dissipate heat from the heat conductive block 1. The dust cover 226 is covered on the outside of the heat dissipation fan 214, and the hook 224 is pulled to engage with the clamp ring 225. Under the action of the spring 223, the dust cover 226 is tightened. At this time, the installed dust cover 226 can provide dust protection for the heat dissipation fan 214, prevent the exposed heat dissipation fan 214 from being attached with dust and the rotation speed is reduced, thereby improving the stability of heat dissipation of the heat dissipation device. The heat dissipation device can be fixed by the set fixing frame 32. By setting silicone grease at the bottom of the heat transfer block 34 to make it contact with the DC power supply circuit, under the heat transfer between the heat transfer block 34 and the heat transfer rod 33, the heat is introduced into the interior of the heat transfer block 1, thereby realizing the function of heat conduction of the heat dissipated by the DC power supply circuit.
[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.
Claims
1. A heat dissipation device for a DC power supply circuit with dustproof function, comprising a heat conductive block (1), characterized in that: The top of the heat-conducting block (1) is provided with a dust-proof heat dissipation mechanism (2), and the bottom of the heat-conducting block (1) is provided with a heat-conducting mechanism (3); The dustproof heat dissipation mechanism (2) comprises a heat dissipation installation component (21) and a dustproof installation component (22), wherein the dustproof installation component (22) is arranged outside the heat dissipation installation component (21).
2. A DC power supply circuit heat dissipation device with dustproof function according to claim 1, characterized in that: The heat dissipation assembly (21) comprises a docking threaded column (211), the docking threaded column (211) is fixedly mounted inside the heat conducting block (1), a bolt (212) is mounted on the internal thread of the docking threaded column (211), a round washer (213) and a heat dissipation fan (214) are arranged outside the bolt (212), and a washer (215) is fixedly mounted on the bottom of the heat dissipation fan (214).
3. A DC power supply circuit heat dissipation device with dustproof function according to claim 2, characterized in that: The bolt (212) is slidably mounted inside the heat dissipation fan (214), the round pad (213) is arranged inside the heat dissipation fan (214), holes are opened at corresponding positions of the heat conduction block (1) and the docking threaded column (211), and the docking threaded column (211) is fixedly mounted inside the hole opened inside the heat conduction block (1).
4. A DC power supply circuit heat dissipation device with dustproof function according to claim 1, characterized in that: The dustproof installation component (22) comprises a fixing ring (221), wherein the fixing ring (221) is fixedly installed on the outside of the heat dissipation fan (214), an L-shaped block (222) is fixedly installed on the bottom of the fixing ring (221), a spring (223) is fixedly installed on the inner side of the bottom of the L-shaped block (222), a hook (224) is fixedly installed on one end of the spring (223) away from the L-shaped block (222), a dust cover (226) is slidably installed on the outside of the heat dissipation fan (214), and a clamping ring (225) is fixedly installed on the outer side of the dust cover (226).
5. A DC power supply circuit heat dissipation device with dustproof function according to claim 4, characterized in that: A rectangular hole is provided inside the clamping ring (225), and the clamping hook (224) is clamped inside the rectangular hole provided inside the clamping ring (225).
6. A DC power supply circuit heat dissipation device with dustproof function according to claim 1, characterized in that: The heat conduction mechanism (3) comprises a heat dissipation fin (31), the heat dissipation fin (31) is fixedly mounted on the outside of the heat conduction block (1), a fixing frame (32) is fixedly mounted on the outside of the heat dissipation fin (31), a heat transfer rod (33) is fixedly mounted on the bottom of the heat conduction block (1), and a heat transfer block (34) is fixedly mounted on the bottom of the heat transfer rod (33).
7. A DC power supply circuit heat dissipation device with dustproof function according to claim 6, characterized in that: Four fixing frames (32) are provided, and the four fixing frames (32) are evenly distributed outside the heat dissipation fins (31).