Heat dissipation device and transformation equipment
By introducing fan and heat dissipation parts into the transformer, and using airflow and coolant circulation, the problem of low heat dissipation efficiency of coal mine downhole transformers is solved, efficient heat deduction is achieved, and the service life of the equipment is extended.
Patent Information
- Application Number
- CN202422522247.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-18
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-10-18
AI Technical Summary
In the underground environment of coal mines, the heat dissipation efficiency of the transformer is poor, which affects the service life of the equipment.
A heat dissipation device is adopted, including a box, a fan, a box cover and a heat dissipation member. The air flows through the fan to the box cover. The heat dissipation member absorbs heat and derives heat through the heat exchange channel in the box cover, and uses coolant circulation to achieve efficient heat dissipation.
It improves the heat dissipation efficiency of the transformer, improves the problem of poor heat dissipation in the prior art, and extends the service life of the equipment.
Smart Images
Figure CN223260429U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat dissipation, and in particular to a heat dissipation device and a voltage conversion device. Background Art
[0002] In underground coal mines, due to the explosion-proof requirements of underground structures, the housing must meet these requirements. Dry-type transformers typically dissipate heat through natural convection, with the housing utilizing a corrugated plate structure to increase the surface heat dissipation area to ensure proper operation. To reduce the size of the transformer housing, the corrugated plate spacing is often reduced, making it difficult for heat to dissipate. This results in poor heat dissipation, often leading to high temperatures within the cavity and shortening the transformer's service life. Utility Model Content
[0003] The technical problem solved by the present invention is how to improve the heat dissipation efficiency of the transformer, thereby improving the technical problem of poor heat dissipation in the prior art.
[0004] The embodiment of the present utility model can be implemented as follows:
[0005] The utility model provides a heat dissipation device for dissipating heat from a heating device, the heat dissipation device comprising:
[0006] A box body, having a storage space therein for accommodating the heating device;
[0007] a fan, provided at the bottom of the accommodation space and located at the bottom of the heating device, for guiding airflow toward the top of the accommodation space;
[0008] A box cover is connected to the box body and is used to cover the accommodating space, and a heat exchange channel for the flow of coolant is opened inside the box cover;
[0009] A heat sink is fixedly connected to the inner side of the box cover; the heat sink is arranged on the flow path of the airflow formed by the fan, and is used to absorb heat in the airflow and transfer it to the box cover.
[0010] The heat dissipation device provided by the utility model has the following advantages over the prior art:
[0011] When a heat-generating device is placed in the storage space, a fan can generate airflow toward the top of the storage space, removing the heat generated by the heat-generating device there, thereby encouraging the heat to flow to the lid. Because the lid is equipped with a heat sink, it can efficiently absorb heat from the airflow, transfer the heat to the lid, and then remove the heat through the coolant in the heat exchange channels within the lid, effectively dissipating the heat and effectively dissipating the heat from the heat-generating device. Based on this, the heat dissipation device can improve the heat dissipation efficiency of the transformer, thereby improving the poor heat dissipation problem in the prior art.
[0012] Optionally, a plurality of fins are provided on a side of the heat sink away from the box cover, and the plurality of fins are arranged at intervals.
[0013] Optionally, the thickness of the fin gradually increases from a side close to the heat-generating device to a side away from the heat-generating device.
[0014] Optionally, a plurality of heat dissipation protrusions are provided on both sides of the fin.
[0015] Optionally, a liquid inlet and a liquid outlet are provided on a side of the box cover away from the heat dissipation element, and both the liquid inlet and the liquid outlet are connected to the heat exchange channel; the liquid inlet is used to introduce coolant into the heat exchange channel, and the liquid outlet is used to discharge the coolant inside the heat exchange channel.
[0016] Optionally, the heat exchange channel is at least partially extended along an S-shaped path.
[0017] Optionally, the box cover includes a main body part and a peripheral part, the peripheral part is arranged on the outer periphery of the main body part and forms an assembly groove on one side of the main body part; the heat dissipation element is arranged in the assembly groove and fixed to the main body part; the heat exchange channel is arranged inside the main body part.
[0018] Optionally, there are multiple heat sinks, and the multiple heat sinks are arranged in parallel on the inner side of the box cover.
[0019] Optionally, the heat dissipation device further includes a heat-conducting structure, and the heat-conducting structure is provided between the box cover and the heat dissipation element.
[0020] A transformer device comprises a transformer and the above-mentioned heat dissipation device; the transformer is arranged in the accommodating space, and the fan is located at the bottom of the transformer, and the transformer is located in the path of the airflow formed by the fan.
[0021] The transformer device provided by the present invention adopts the above-mentioned heat dissipation device. The beneficial effects of the transformer device relative to the prior art are the same as the beneficial effects of the above-mentioned heat dissipation device relative to the prior art, which will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.
[0023] Figure 1 This is a schematic diagram of the explosion structure of the transformer equipment provided in the embodiment of the present application;
[0024] Figure 2 This is one of the partial views of the box cover provided in the embodiment of the present application;
[0025] Figure 3 This is the second partial view of the box cover provided in the embodiment of the present application;
[0026] Figure 4 This is a schematic structural diagram of a heat sink provided in an embodiment of the present application;
[0027] Figure 5 for Figure 4 Schematic diagram of the enlarged structure at point A in the middle.
[0028] Icons: transformer 10, transformer 11, heat dissipation device 12, box body 100, accommodating space 110, fan 200, box cover 300, main body 310, heat exchange channel 311, liquid inlet 3111, liquid outlet 3112, assembly groove 312, peripheral part 320, heat dissipation part 400, fin 410, heat dissipation protrusion 412, heat conductive structure 500. DETAILED DESCRIPTION
[0029] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.
[0030] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.
[0031] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.
[0032] In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the utility model product is usually placed when in use. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.
[0033] In addition, the terms "first", "second", etc., if used, are merely used to distinguish and describe, and should not be understood as indicating or implying relative importance.
[0034] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention can be combined with each other.
[0035] See also Figure 1 In one embodiment of the present application, a heat sink 12 is provided. This heat sink 12 can be used to dissipate heat from a heat-generating device. Specifically, the heat sink 12 can be connected to the heat-generating device, and the heat generated by the heat-generating device can be removed by the heat sink 12, thereby dissipating heat from the heat-generating device. Furthermore, the heat sink 12 provided in this embodiment can improve heat dissipation efficiency.
[0036] Optionally, the heat generating device may be a heat generating device such as a transformer 11, a battery, a compressor, etc. For example, when the heat generating device is a transformer 11, the heat dissipation efficiency of the transformer 11 can be improved, thereby improving the problem of poor heat dissipation effect of the transformer 11 in the prior art.
[0037] In this embodiment, please refer to Figure 1 、 Figure 2 and Figure 3The heat dissipation device 12 includes a box body 100, a fan 200, a box cover 300 and a heat sink 400. A storage space 110 is provided in the box body 100 for accommodating a heating device. The fan 200 is provided at the bottom of the storage space 110 and is located at the bottom of the heating device, and is used to guide the airflow to flow toward the top of the storage space 110. In the process of the airflow flowing toward the top of the storage space 110, the airflow flows through the heating device to take away the heat generated by the heating device. In other words, the heating device is arranged on the flow path of the airflow formed by the fan 200. The box cover 300 is connected to the box body 100 and is used to seal the storage space 110, and a heat exchange channel 311 for the flow of coolant is provided inside the box cover 300. It is worth noting that the airflow generated by the fan 200 can flow to the box cover 300 when it flows upward. The heat sink 400 is fixedly connected to the inner side of the box cover 300 ; the heat sink 400 is provided on the flow path of the airflow formed by the fan 200 , and is used to absorb heat in the airflow and transfer it to the box cover 300 .
[0038] As described above, when a heat-generating device is placed in the storage space 110, the fan 200 can generate an airflow toward the top of the storage space 110, thereby removing the heat generated by the heat-generating device to the top of the storage space 110, thereby causing the heat to flow to the box cover 300. Because the box cover 300 is provided with a heat sink 400, it can efficiently absorb heat from the airflow, then transfer the heat to the box cover 300. The heat is then removed by the coolant in the heat exchange channel 311 inside the box cover 300, thus efficiently dissipating the heat and effectively dissipating the heat from the heat-generating device. Based on this, the heat sink 12 can improve the heat dissipation efficiency of the transformer 11, thereby improving the technical problem of poor heat dissipation in the prior art.
[0039] It is worth noting that since the air flow heated by the heating device has a tendency to rise spontaneously, based on this, the fan 200 is arranged at the bottom of the accommodating space 110, so that the fan 200 generates an upward blowing force, which can drive the heat generated by the heating device to the box cover 300 more quickly, and the air flow direction generated by the fan 200 can be made roughly the same as the spontaneous flow direction of the hot air flow, which can ensure that the air flow will not be too concentrated in a certain area during the rising process, and can be evenly blown to the box cover 300 to efficiently complete the heat dissipation.
[0040] Optionally, see Figure 1 、 Figure 4 and Figure 5To improve the heat absorption efficiency of the heat sink 400, a plurality of fins 410 are provided on the side of the heat sink 400 away from the cover 300. The fins 410 are spaced apart. The multiple fins 410 on the heat sink 400 increase the area of contact between the heat sink 400 and the airflow, thereby increasing the heat absorption rate of the heat sink 400 and improving the heat dissipation efficiency of the heat-generating device.
[0041] Furthermore, to increase the contact area between the heat sink 400 and the airflow and improve heat transfer efficiency, a plurality of heat dissipation protrusions 412 are optionally provided on both sides of the fin 410. This increases the outer surface area of the fin 410, thereby further increasing the contact area between the fin 410 and the airflow, further increasing the heat absorption rate and improving the heat dissipation efficiency of the heat-generating device.
[0042] It should be understood that in other embodiments of the present application, the fins 410 or the heat dissipation protrusions 412 may be eliminated.
[0043] In addition, the thickness of the fins 410 gradually increases from the side closest to the heat-generating device to the side further away from the heat-generating device. This facilitates airflow into the gaps between adjacent fins 410, allowing sufficient heat exchange with the fins 410. Furthermore, this ensures smooth airflow, which helps improve heat dissipation efficiency.
[0044] Of course, in some other embodiments of the present application, the thickness of the fin 410 may also be set to be uniform, that is, the thickness of the fin 410 is equal everywhere.
[0045] In this example, please continue to refer to Figure 1 、 Figure 2 and Figure 3 A liquid inlet 3111 and a liquid outlet 3112 are provided on the side of the housing cover 300 away from the heat sink 400. Both the liquid inlet 3111 and the liquid outlet 3112 are connected to the heat exchange channel 311. The liquid inlet 3111 is used to introduce coolant into the heat exchange channel 311, and the liquid outlet 3112 is used to discharge the coolant from the heat exchange channel 311. When providing heat dissipation to the heat-generating device, new coolant is introduced through the liquid inlet 3111, and the coolant that has completed heat exchange is then discharged through the liquid outlet 3112. This ensures that the heat output of the housing cover 300 is efficiently absorbed. By circulating the coolant, the heat dissipation efficiency is improved.
[0046] Optionally, the heat exchange channel 311 is at least partially extended along an S-shaped path, which can increase the heat exchange area of the heat exchange channel 311, thereby improving the heat exchange efficiency between the case cover 300 and the heat sink 400, and further improving the heat dissipation efficiency.
[0047] Of course, in other embodiments, the heat exchange channel 311 may be arranged in other ways. For example, multiple parallel heat exchange channels 311 may be arranged inside the box cover 300 , each heat exchange channel 311 having an independent liquid inlet 3111 and liquid outlet 3112 .
[0048] In this embodiment, the box cover 300 includes a main portion 310 and a peripheral portion 320. The peripheral portion 320 is disposed on the outer periphery of the main portion 310 and forms a mounting groove 312 on one side of the main portion 310. The heat sink 400 is disposed in the mounting groove 312 and fixed to the main portion 310. The heat exchange channel 311 is disposed within the main portion 310. The provision of the peripheral portion 320 not only facilitates the sealing of the accommodating space 110 by the box cover 300 but also facilitates the formation of the mounting groove 312 for the heat sink 400.
[0049] Optionally, in this embodiment, the peripheral portion 320 is detachably connected to the box body 100 by means of bolts; and the heat sink 400 can also be fixed to the main body 310 by means of bolts.
[0050] To improve heat dissipation efficiency, multiple heat sinks 400 are arranged in parallel on the inner side of the cover 300. These heat sinks 400 cover a large portion of the main body 310. This not only increases the coverage area of the heat sinks 400, allowing them to fully absorb heat from the airflow, but also increases the rate at which the heat sinks 400 transfer heat to the cover 300, improving heat dissipation efficiency.
[0051] Furthermore, in this embodiment, to improve the heat exchange efficiency between the heat sink 400 and the case cover 300, the heat sink 12 further includes a heat-conducting structure 500, which is disposed between the case cover 300 and the heat sink 400. The heat-conducting structure 500 can be thermal grease or other thermal pads. The provision of the heat-conducting structure 500 accelerates the transfer of heat from the heat sink 400 to the case cover 300, thereby improving heat dissipation efficiency.
[0052] Based on the heat dissipation device 12 provided above, an embodiment of the present application further provides a transformer device 10, which includes a transformer 11 and the heat dissipation device 12 described above. The transformer 11 is disposed in a housing space 110 and is positioned above the fan 200, such that the transformer 11 is located in the flow path of the airflow generated by the fan 200. Based on this, the transformer device 10 provided in this embodiment can also improve the heat dissipation efficiency of the transformer 11, thereby resolving the technical problem of poor heat dissipation in the prior art.
[0053] In summary, in the heat dissipation device 12 and transformer device 10 provided in this embodiment, the fan 200 can generate an airflow toward the top of the storage space 110, thereby removing the heat generated by the heat-generating device to the top of the storage space 110, thereby causing the heat to flow to the box cover 300. Because the box cover 300 is provided with a heat dissipation element 400, it can efficiently absorb heat from the airflow, then transfer the heat to the box cover 300, and then remove the heat through the coolant in the heat exchange channel 311 inside the box cover 300. This effectively removes the heat and effectively dissipates the heat from the heat-generating device. Based on this, the heat dissipation device 12 can improve the heat dissipation efficiency of the transformer 11, thereby improving the technical problem of poor heat dissipation in the prior art.
[0054] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.
Claims
1. A heat dissipation device for heat dissipation of a heating device, characterized in that: The heat dissipation device (12) comprises: A box body (100) is provided with a receiving space (110) therein for receiving the heating device; a fan (200), disposed at the bottom of the accommodating space (110) and located at the bottom of the heating device, and used to guide airflow toward the top of the accommodating space (110); A box cover (300) is connected to the box body (100) and is used to cover the accommodation space (110), and a heat exchange channel (311) for the flow of coolant is provided inside the box cover (300); A heat sink (400) is fixedly connected to the inner side of the box cover (300); the heat sink (400) is provided on the flow path of the airflow formed by the fan (200), and the heat sink (400) is used to absorb heat in the airflow and transfer it to the box cover (300).
2. The heat dissipation device according to claim 1, characterized in that: A plurality of fins (410) are provided on a side of the heat sink (400) away from the box cover (300), and the plurality of fins (410) are arranged at intervals.
3. The heat dissipation device according to claim 2, characterized in that: The thickness of the fin (410) gradually increases from a side close to the heating device to a side away from the heating device.
4. The heat dissipation device according to claim 2, characterized in that: A plurality of heat dissipation protrusions (412) are provided on both sides of the fin (410).
5. The heat dissipation device according to claim 1, characterized in that: A liquid inlet (3111) and a liquid outlet (3112) are provided on a side of the box cover (300) away from the heat sink (400), and both the liquid inlet (3111) and the liquid outlet (3112) are connected to the heat exchange channel (311); the liquid inlet (3111) is used to introduce coolant into the heat exchange channel (311), and the liquid outlet (3112) is used to discharge the coolant inside the heat exchange channel (311).
6. The heat dissipation device according to claim 1, characterized in that: The heat exchange channel (311) is at least partially extended along an S-shaped path.
7. The heat dissipation device according to claim 1, wherein: The box cover (300) comprises a main body portion (310) and a peripheral portion (320), wherein the peripheral portion (320) is arranged on the periphery of the main body portion (310) and forms an assembly groove (312) on one side of the main body portion (310); the heat dissipation element (400) is arranged in the assembly groove (312) and fixed to the main body portion (310); and the heat exchange channel (311) is arranged inside the main body portion (310).
8. The heat dissipation device according to claim 1, wherein: There are a plurality of heat dissipating elements (400), and the plurality of heat dissipating elements (400) are arranged in parallel on the inner side of the box cover (300).
9. The heat dissipation device according to claim 1, wherein: The heat dissipation device (12) further comprises a heat-conducting structure (500), wherein the heat-conducting structure (500) is provided between the box cover (300) and the heat dissipation element (400).
10. A voltage transformation device, characterized in that: The invention comprises a transformer (11) and a heat dissipation device (12) according to any one of claims 1 to 9; the transformer (11) is arranged in the accommodating space (110), and the fan (200) is located at the bottom of the transformer (11), and the transformer (11) is located in the path of the airflow formed by the fan (200).