Radiator and vehicle-mounted terminal

Abstract

The utility model relates to a radiator and a vehicle-mounted terminal. The radiator comprises a radiator body, a heat conduction component and a heat pipe, the radiator body comprises a base part and tooth sheets arranged on the base part, and inter-tooth channels are formed among the tooth sheets; an evaporation section of the heat pipe is connected with the heat conducting component, and a condensation section of the heat pipe is connected with the base part of the radiator body; in the using state, the radiator body is located above the heat conduction component, and the condensation section of the heat pipe is located above the evaporation section. The vehicle-mounted terminal comprises the radiator. The radiator has the advantages of being small in size, simple in modeling and the like, the heat dissipation performance of the radiator can be remarkably improved, and therefore the radiator is better suitable for meeting the heat dissipation requirement of small equipment, especially a small vehicle-mounted terminal.

Description

Technical Field

[0001] The utility model relates to the technical field of radiators, in particular to a radiator. The utility model also relates to a vehicle-mounted terminal provided with the radiator. Background Art

[0002] At present, the functions of vehicle-mounted multimedia hosts and intelligent driving controllers are increasing, and the computing power requirements of the main chip in the host are also increasing, which leads to an increase in the power consumption of the main chip.

[0003] In order to cool the main chip and meet customer needs, multi-tooth natural convection cooling, fan forced convection cooling or water cooling are generally used. However, in order to ensure the heat dissipation performance of the radiator, these solutions have to make compromises in other aspects, and there are problems such as the radiator being too large, too costly or too complicated in shape.

[0004] Therefore, how to improve the heat dissipation performance of the radiator while minimizing the size of the radiator and reducing the cost is a technical problem that needs to be solved urgently. Utility Model Content

[0005] The purpose of the utility model is to provide a radiator to solve the above technical problems.

[0006] Another object of the utility model is to provide a vehicle-mounted terminal provided with the radiator.

[0007] To achieve the above-mentioned purpose, the utility model provides a radiator, comprising a radiator body, a heat conducting component and a heat pipe;

[0008] The radiator body comprises a base and tooth plates arranged on the base, and inter-tooth channels are formed between the tooth plates;

[0009] The evaporation section of the heat pipe is connected to the heat-conducting component, and the condensation section of the heat pipe is connected to the base of the radiator body;

[0010] In a use state, the radiator body is located above the heat-conducting component, and the condensing section of the heat pipe is located above the evaporating section.

[0011] Optionally, a heat insulation distance and / or a heat insulation layer is provided between the heat sink body and the heat conducting component.

[0012] Optionally, at least two radiator bodies are included, and each radiator body is connected to the heat-conducting component through the heat pipe;

[0013] The evaporation section and the condensation section of the heat pipe are arranged at a predetermined angle, the predetermined angle is 70°-110°, and each of the radiator bodies is located within the predetermined angle of the corresponding heat pipe.

[0014] Optionally, the at least two radiator bodies include a first radiator body and a second radiator body, and the bases of the first radiator body and the second radiator body are arranged back to back and the teeth are arranged opposite to each other.

[0015] Optionally, a gap is left between the tooth plates of the first radiator body and the tooth plates of the second radiator body.

[0016] Optionally, each of the radiator bodies is connected to the heat-conducting component via at least two heat pipes.

[0017] Optionally, the radiator body is provided with a first plug-in portion, and the condensing section of the heat pipe is provided at the first plug-in portion; the heat-conducting component is provided with a second plug-in portion, and the evaporating section of the heat pipe is provided at the second plug-in portion.

[0018] Optionally, the first inserting portion is a slot or a jack, and the second inserting portion is a slot or a jack;

[0019] And / or, the condensing section of the heat pipe is bonded or welded to the first inserting portion, and the evaporating section of the heat pipe is bonded or welded to the second inserting portion;

[0020] And / or, the radiator body is a skived radiator

[0021] To achieve the above another object, the utility model provides a vehicle-mounted terminal, comprising a housing, a fan, a chip and any one of the above radiators;

[0022] An air duct is provided in the shell, the heat sink and the fan are both arranged in the air duct, the direction of the inter-tooth channel of the heat sink is consistent with the air outlet direction of the fan, the heat sink and the air outlet end of the fan are spaced apart to form an air supply gap, and the heat conducting component of the heat sink is in contact with the chip.

[0023] Optionally, the vehicle-mounted terminal further includes a PCB board, and the chip is mounted on the PCB board;

[0024] The wall plate of the air duct is provided with a through hole corresponding to the chip, the PCB board and the chip are separated from the heat sink in the air duct via the wall plate of the air duct, and the heat conducting component of the heat sink passes through the through hole and contacts with the chip.

[0025] The radiator provided by the utility model has an evaporation section of a heat pipe connected to a heat-conducting component, and a condensing section connected to a base of a radiator body. The heat-conducting component is used to absorb heat generated by a chip or other heat-generating component when the chip is working, and transfers the heat to the base of the radiator body via the heat pipe, and further dissipates heat through a plurality of teeth of the radiator body.

[0026] Compared with the solution in which both the radiator body and the heat-conducting component are connected to the evaporating section, the heat-conducting component only transfers heat to the evaporating section of the heat pipe and does not directly exchange heat with the radiator body. The radiator body only dissipates heat to the condensing section of the heat pipe, so that a closed-loop heat dissipation path is not formed among the heat-conducting component, the heat pipe and the radiator body. In other words, the radiator body does not dissipate heat in reverse to the heat-conducting component. The heat dissipation path is directional, thereby significantly improving the heat dissipation efficiency.

[0027] Moreover, the condensation section of the heat pipe is located above the evaporation section. Under the dual effects of capillary force and gravity, the phase change medium in the condensation section of the heat pipe quickly flows back to the evaporation section, and the medium circulation efficiency is improved, thereby improving the heat transfer efficiency of the heat pipe between the heat-conducting component and the radiator body, that is, improving the heat dissipation efficiency of the radiator. Therefore, under the same heat dissipation requirements, the radiator can be miniaturized, so that it is better suitable for meeting the heat dissipation requirements of miniaturized equipment, especially miniaturized vehicle-mounted terminals.

[0028] The vehicle-mounted terminal provided by the utility model is provided with the radiator. Since the radiator has the above-mentioned technical effects, the vehicle-mounted terminal provided with the radiator should also have corresponding technical effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A cross-sectional view of a radiator provided in an embodiment of the utility model;

[0030] Figure 2 for Figure 1 An exploded structural diagram of the radiator shown;

[0031] Figure 3 is a cross-sectional schematic diagram of a first heat pipe;

[0032] Figure 4 for Figure 3 A partial enlarged view of

[0033] Figure 5 A cross-sectional view of another radiator provided by an embodiment of the utility model;

[0034] Figure 6 A schematic diagram of the structure of a vehicle-mounted terminal provided in an embodiment of the utility model;

[0035] Figure 7 for Figure 6 A cross-sectional view of the vehicle-mounted terminal is shown.

[0036] In the figure:

[0037] 10. Radiator body 11. Base 111. First plug-in part 12. Tooth 13. Inter-tooth channel 20. Heat pipe 211. Shell 212. Tube core 213. Steam chamber 30. Heat-conducting component 31. Second plug-in part 40. Chip 41. Heat-insulating layer 42. Heat-insulating distance 50. Radiator 60. Shell 70. Air duct 71. Through hole 80. Fan 90. PCB board 100. Thermal grease. DETAILED DESCRIPTION

[0038] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0039] In this article, the terms "upper, lower, front, and rear" are established based on the positional relationships shown in the drawings. Depending on the different drawings, the corresponding positional relationships may also change accordingly. Therefore, they cannot be understood as absolute limitations on the scope of protection; moreover, relational terms such as "first" and "second" are only used to distinguish one component from another with the same name, and do not necessarily require or imply any actual relationship or order between these components.

[0040] Please refer to Figure 1 , Figure 2 , Figure 1 A cross-sectional view of a radiator provided in an embodiment of the utility model; Figure 2 for Figure 1 Schematic diagram of the exploded structure of the heat sink shown.

[0041] As shown in the figure, in a specific embodiment, the radiator provided by the utility model includes a radiator body 10, a heat pipe 20 and a heat-conducting component 30, the radiator body 10 has a base 11 and teeth 12 arranged on the base 11, and inter-tooth channels 13 are formed between the teeth 12; the evaporation section of the heat pipe 20 is connected to the heat-conducting component 30, and the condensation section of the heat pipe 20 is connected to the base 11 of the radiator body 10; in use, the radiator body 10 is located above the heat-conducting component 30, and the condensation section of the heat pipe 20 is located above the evaporation section.

[0042] The heat conducting component 30 is used to contact with a component to be cooled, such as a chip, so that the heat generated by the chip in the working state is transferred to the heat conducting component 30. The evaporation section of the heat pipe 20 can stably obtain heat from the component to be cooled through the heat conducting component 30, and then transfer the absorbed heat to the base 11 of the radiator body 10 in the evaporation section of the heat pipe 20, and further dissipate the heat through the teeth 12 of the radiator body 10.

[0043] Compared with the solution in which both the radiator body 10 and the heat-conducting component 30 are connected to the evaporating section, the heat-conducting component 30 mainly dissipates heat to the evaporating section of the heat pipe 20, and then the base 11 of the radiator body 10 absorbs heat and the teeth 12 dissipate heat. The heat dissipation object of the radiator body 10 is unique and the heat dissipation path is directional. A closed-loop heat dissipation path will not be formed among the heat-conducting component 30, the heat pipe 20 and the radiator body 10, and the radiator body 10 will not dissipate heat in the reverse direction to the heat-conducting component 30, thereby significantly improving the heat dissipation efficiency.

[0044] Moreover, the condensation section of the heat pipe 20 is located above the evaporation section. After the liquid phase change medium inside the heat pipe 20 is condensed, it can be affected not only by capillary force but also by gravity. Therefore, under the dual effects of capillary force and gravity, it can quickly flow back to the evaporation section. The medium repeatedly circulates through evaporation and reflux, which can efficiently conduct heat energy from one end of the heat pipe 20 to the other end, that is, efficiently dissipate heat from the heat conductive component 30 to the radiator body 10.

[0045] By improving the heat dissipation path and the heat pipe connection method, the radiator can be miniaturized while ensuring high heat dissipation performance, thereby better meeting the heat dissipation needs of miniaturized equipment.

[0046] The radiator body 10 can be, for example, a fin-type radiator (not shown in the figure) or a skived-tooth radiator. Among them, when the radiator body 10 is a skived-tooth radiator, the skived-tooth radiator has simple molding process, low cost, and dense teeth. On this basis, the radiator body 10 of this embodiment uses two skived-tooth radiators made of 6061 aluminum, which have the characteristics of good thermal conductivity and high strength. Under the same heat dissipation requirements, compared with other types of radiator bodies, the volume is smaller, so that the radiator is more suitable for use in miniaturized vehicle terminals such as vehicle entertainment consoles and T-BOX (vehicle telematics processing boxes), meeting the heat dissipation requirements of these miniaturized vehicle terminals for high-power heat-generating electronic components such as chips.

[0047] In addition, when miniaturization is achieved, the strength of the heat pipe 20 itself will be weakened. The integrated structure of the skived-tooth heat sink not only has a higher heat dissipation performance, but also helps to strengthen the strength of the heat pipe 20 after assembly, prevent the heat pipe 20 from deforming, and ensure that the structure and function of the heat pipe 20 are in a stable state.

[0048] The heat-conducting component 30 has high thermal conductivity. The material of the heat-conducting component 30 may be metal. The heat-conducting component 30 may be in a block shape or a plate shape. Optionally, the heat-conducting component 30 is a copper block.

[0049] In order to further ensure the directionality of the heat dissipation path and prevent the heat conducting component 30 from transferring heat to the base 11 of the heat sink body 10 with a strong heat conduction capacity, at least most of the heat conducting component 30 can be arranged to be opposite to the teeth 12 of the heat sink body 10 and staggered with the base 11. Figure 1 and Figure 5 As shown, the entire heat-conducting component 30 may be directly opposite to the teeth 12 of the heat sink body 10 and staggered with the base 11 .

[0050] In this embodiment, the number of the radiator bodies 10 may be two, the number of the heat pipes 20 may be four, and the number of the heat conducting component 30 may be one, thereby simplifying the structure while ensuring the air-cooling heat dissipation effect.

[0051] The main structures of the two radiator bodies 10 are substantially the same, both of which are rectangular block structures, each having a base 11 and a plurality of tooth plates 12 integrally formed with the base 11, and inter-tooth channels 13 are formed between adjacent tooth plates 12. The structural form of the multiple tooth plates 12 enables the radiator body 10 to have a larger heat dissipation area, thereby having better heat dissipation performance.

[0052] The bases 11 of the two radiator bodies 10 are arranged back to back, and the tooth plates 12 of the two radiator bodies 10 are opposite and symmetrically arranged. Moreover, the opposite tooth plates 12 respectively form a plurality of inter-tooth channels 13 that pass through front and back, and a gap S is left between the opposite ends of the tooth plates 12 of the two radiator bodies 10.

[0053] By leaving a gap S between the teeth 12 of the two radiator bodies 10, on the one hand, an intermediate airflow channel is formed between the two skive-tooth heat exchangers, which can be used for heat dissipation at the ends of the teeth, so that the airflow can fully exchange heat with the teeth 12. In addition, the gap S keeps the inter-tooth channel 13 in a semi-open state, which is conducive to reducing wind resistance, so that the gas heated up after heat exchange with the teeth 12 can be discharged from the inter-tooth channel 13 more efficiently, avoiding the accumulation and rise of the gas temperature in the inter-tooth channel 13, thereby ensuring the heat exchange efficiency of the inter-tooth channel 13. In addition, under the same volume conditions, compared with setting one skive-tooth radiator, setting two symmetrical skive-tooth radiators can also reduce the length of the teeth of a single skive-tooth radiator, so that it has a higher structural strength and reduces the difficulty of processing and manufacturing.

[0054] Furthermore, the gap S can also prevent the teeth of the two radiator bodies 10 from contacting each other, thereby preventing the two from making noise or inverted teeth due to vibration or the like.

[0055] The bottom of the two radiator bodies 10 is provided with a heat conducting component 30. In this embodiment, a heat insulating distance 42 is left between the radiator body 10 and the heat conducting component 30. By designing the heat insulating distance 42, the path for direct heat conduction between the radiator body 10 and the heat conducting component 30 is cut off, ensuring that the heat conducting component 30 transfers heat to the radiator body 10 only through the heat pipe 20, and ensuring that the radiator body 10 does not dissipate heat in the reverse direction to the heat conducting component 30, thereby significantly improving the heat dissipation efficiency.

[0056] Optionally, the heat conducting component 30 is relatively flat in shape, with an area smaller than the total area of ​​the two heat sink bodies 10 and larger than the area of ​​the chip 40 so as to completely cover the chip 40. At the same time, the thickness of the heat conducting component 30 is greater than the diameter or thickness of the heat pipe 20 to facilitate the installation of the heat pipe 20.

[0057] The evaporation section and the condensation section of the heat pipe 20 are arranged at a predetermined angle, and the predetermined angle is 70°-110°, for example, 70°, 80°, 90°, 95°, 100° or 110°, etc. If a plurality of radiator bodies 10 are provided, each radiator body 10 is located within the predetermined angle of the corresponding heat pipe 20. In the present embodiment, the two radiator bodies 10 are located within the predetermined angle of the corresponding heat pipe 20.

[0058] The position of the radiator body 10 is limited to be just above the heat-conducting component 30 and within a predetermined angle of the heat pipe 20. This can further save space while ensuring high heat dissipation performance, which is conducive to miniaturization of the radiator.

[0059] Specifically, the heat pipes 20 are L-shaped, and the number is two, which are parallel to each other. The predetermined angle between the evaporation section and the condensation section of each heat pipe 20 is 90°. The base 11 of the radiator body 10 is provided with a first plug-in portion 111 on the facade, for example, the first plug-in portion 111 is a slot (see Figure 1 , Figure 2 , Figure 5 ) or a socket (not shown in the figure), two vertical first plug-in parts 111, the vertical sides of the four heat pipes 20 symmetrically distributed on the left and right are respectively inserted into the first plug-in parts 111 and bonded or welded to make the two fully contact and exchange heat, thereby connecting the vertical sides of the heat pipes 20 to the base 11 of the radiator body 10.

[0060] The left and right ends of the heat conducting component 30 are respectively provided with two second inserting portions 31, for example, the first inserting portion 111 is a plug hole (see Figure 1 , Figure 2 , Figure 5 ) or a slot (not shown in the figure), and the second plug-in parts 31 at both ends are offset from each other, and the lateral sides of the heat pipe 20 are respectively inserted into the corresponding second plug-in parts 31 and bonded or welded.

[0061] This insertion connection method with staggered hole positions can ensure that the lateral sides of each heat pipe 20 are parallel to each other and will not affect each other, so that the lateral sides can be fully inserted into the second insertion part 31 and have sufficient length to fully contact the heat-conducting component 30, thereby absorbing the heat of the heat-conducting component 30 more quickly and transferring the heat to the other end.

[0062] Of course, in other embodiments, holes may be designed on the base 11 of the radiator body 10 to install the condensing section of the heat pipe 20, or grooves may be designed on the heat conducting component 30 to install the evaporating section of the heat pipe 20. The specific number of heat pipes 20 may depend on the specific size of the radiator body 10.

[0063] Designing the heat pipe 20 into an L shape can make full use of the ultra-high thermal conductivity characteristics of the heat pipe 20 in the Z-axis direction, so that heat can be quickly transferred from the heat-conducting component 30 to each radiator body 10. Moreover, since a heat-conducting component 30 transfers heat to multiple radiator bodies 10 at the same time through the heat pipe 20, each radiator body 10 has a three-dimensional heat dissipation structure, thereby greatly improving the heat dissipation performance. When the heat dissipation performance is significantly improved, the radiator size is designed to be relatively small, which can meet actual usage needs.

[0064] In order to avoid damaging the heat pipe 20 , the heat sink body 10 is designed with chamfered surfaces R at the edges of the bent portions corresponding to the heat pipe 20 .

[0065] Please refer to Figure 3 to Figure 4 , Figure 3 is a cross-sectional schematic diagram of a first heat pipe; Figure 4 for Figure 3 A partial enlarged view of .

[0066] As shown in the figure, the heat pipe 20 includes a shell 211 and a tube core 212. The interior of the heat pipe 20 is evacuated to form a steam chamber 213. The tube core 212 is attached to the inner wall of the heat pipe. The function of the tube core 212 is mainly to generate capillary force to allow the liquid phase change medium to move from the condensation section to the evaporation section. The liquid phase change medium fills the entire tube core. The phase change medium can be water, ethanol, ether, methanol, etc.

[0067] The shape of the heat pipe 20 can be a circular tube shape or a flat shape. The present embodiment adopts a flat-shaped heat pipe 20. Accordingly, the first plug-in portion 111 on the radiator body 10 is a rectangular groove, and the second plug-in portion 31 on the heat-conducting component 30 is a rectangular hole. If the heat pipe 20 is a circular tube shape, the first plug-in portion 111 on the radiator body 10 can be a C-shaped groove, and the second plug-in portion 31 on the heat-conducting component 30 is a circular hole, so as to ensure that the heat pipe 20 can fully contact the radiator body 10, thereby efficiently conducting heat.

[0068] Of course, in other embodiments, the heat pipe 20 may also be partially flat in shape to meet different installation and use requirements.

[0069] The interior of the heat pipe 20 may have a variety of structures, and the interior may be a small-pore wire mesh core, a polygonal mesh core, a groove core, a felt-like fiber core, or a composite core, etc.

[0070] Test data show that the thermal conductivity of silicone is around 10W / mk, the thermal conductivity of aluminum is around 200W / mk, the thermal conductivity of copper is around 390W / mk, and the thermal conductivity of heat pipes can reach 1500W-50000W / mk.

[0071] Please refer to Figure 5 , Figure 5 A cross-sectional view of another radiator provided in an embodiment of the utility model.

[0072] As shown in the figure, compared with the first embodiment, the difference of this embodiment is that a heat insulation layer 41 is provided between the radiator body 10 and the heat conducting component 30. By providing the heat insulation layer 41, the reverse heat dissipation of the radiator body 10 to the heat conducting component 30 can be blocked, and the heat of the heat conducting component 30 can be more concentratedly conducted to the radiator body 10 through the heat pipe 20, thereby significantly improving the heat dissipation efficiency.

[0073] In this embodiment, the same parts as those in the first embodiment are given the same figure marks, and the same text descriptions are omitted.

[0074] Please refer to Figure 6 , Figure 7 , Figure 6 A schematic diagram of the structure of a vehicle-mounted terminal provided in an embodiment of the utility model; Figure 7 for Figure 6 A cross-sectional view of the vehicle-mounted terminal shown.

[0075] As shown in the figure, the vehicle-mounted terminal provided by the utility model can be a vehicle-mounted multimedia host, an intelligent driving controller or a vehicle-mounted T-BOX, etc., which is provided with a shell 60, a fan 80, a chip 40 and a radiator 50 for dissipating heat from the chip 40, wherein the radiator 50 is the radiator described above.

[0076] Specifically, the radiator 50 is arranged in the air duct 70 set inside the shell, the direction of the inter-tooth channel 13 of the radiator 50 is consistent with the direction of the air duct 70, a fan 80 is arranged at one end of the air duct 70, and the radiator 50 and the air outlet end of the fan 80 are arranged at intervals to form an air supply interval, and air can be continuously blown into the air duct 70 during operation. The chip 40 is installed on the PCB board 90, and the PCB board 90 is located below the air duct 70. The PCB board 90 and the chip 40 are separated from the radiator 50 in the air duct 70 by the wall panel at the bottom of the air duct 70. A through hole 71 corresponding to the chip 40 is opened at the bottom of the air duct 70, and the heat-conducting component 30 of the radiator 50 passes through the through hole 71 and contacts the chip 40 through the thermal grease 100 (or thermal conductive gel).

[0077] When the device is running, the chip 40 generates heat and quickly transfers the heat to the contacting heat-conducting component 30 through the thinly coated thermal grease 100 (or thermally conductive gel). Utilizing the high thermal conductivity of the heat-conducting component 30, the heat quickly diffuses inside the heat-conducting component 30 and is transferred to the lateral side of the heat pipe 20 connected to the inside of the heat-conducting component 30, that is, its evaporation section.

[0078] The heat is then quickly transferred to the vertical edge of the heat pipe 20 and gradually transferred to the two radiator bodies 10 in contact. Since the gravity characteristics of the heat pipe 20 in the height direction are utilized, the liquefied medium can quickly flow back to the hot end, maximizing the rapid heat conduction effect of the heat pipe 20.

[0079] The radiator body 10 is made of 6061 aluminum and also has good thermal conductivity. The heat is evenly diffused to each tooth plate 12, and then cold air is blown to the tooth plate 12 by the fan 80 at one end of the air duct 70. The cold air exchanges heat with the tooth plate 12 and can quickly take away the heat from the tooth plate 12, ultimately achieving the effect of cooling the chip 40.

[0080] The above embodiments are only preferred solutions of the present invention and are not limited thereto. On this basis, targeted adjustments can be made according to actual needs to obtain different implementation methods. For example, the heat conducting component 10 is made of other metal materials, or the number of heat pipes 220 is further increased, or the bending angle of the heat pipe 20 is changed, etc. Since there are many possible implementation methods, they will not be described one by one here.

[0081] The utility model has the following significant effects:

[0082] First, compared with traditional radiators, the radiator 50 is small in size, and a larger air supply interval can be left at the air outlet of the fan 80, which can increase the interval between the fan 80 and the radiator 50, that is, the fan air outlet distance. As the air outlet distance increases, the wind resistance can be significantly reduced, thereby increasing the air output and giving full play to the role of the fan 80.

[0083] Second, the evaporation section and the condensation section of the heat pipe 20 have a predetermined angle, which fully utilizes the ultra-high thermal conductivity of the heat pipe 30, optimizes the spatial layout, and reduces the size of the radiator.

[0084] Third, the heat pipe 20 is combined with the heat sink body 10 and the heat dissipation path is optimized, and the fan 80 is used to force convection to improve the air flow in the inter-tooth channel 13 to achieve efficient heat dissipation performance;

[0085] Fourth, it is an integrated design with small size, low cost, high modularity, and can be applied to a variety of different structures, making it possible for the radiator to be integrated inside the vehicle-mounted terminal.

[0086] The radiator and vehicle-mounted terminal provided by the utility model are introduced in detail above. This article uses specific examples to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A radiator, characterized in that: It includes a heat sink body, a heat conducting component and a heat pipe; The radiator body comprises a base and tooth plates arranged on the base, and inter-tooth channels are formed between the tooth plates; The evaporation section of the heat pipe is connected to the heat-conducting component, and the condensation section of the heat pipe is connected to the base of the radiator body; In a use state, the radiator body is located above the heat-conducting component, and the condensing section of the heat pipe is located above the evaporating section.

2. The heat sink according to claim 1, characterized in that: A heat insulation distance and / or a heat insulation layer is provided between the heat sink body and the heat conducting component.

3. The heat sink according to claim 1, characterized in that: At least two heat sink bodies are included, and each of the heat sink bodies is connected to the heat conducting component through the heat pipe; The evaporation section and the condensation section of the heat pipe are arranged at a predetermined angle, the predetermined angle is 70°-110°, and each of the radiator bodies is located within the predetermined angle of the corresponding heat pipe.

4. The heat sink according to claim 3, characterized in that: The at least two radiator bodies include a first radiator body and a second radiator body, wherein the bases of the first radiator body and the second radiator body are arranged back to back and the teeth are arranged opposite to each other.

5. The heat sink according to claim 4, characterized in that: A gap is left between the tooth plates of the first radiator body and the tooth plates of the second radiator body.

6. The heat sink according to claim 3, characterized in that: Each of the radiator bodies is connected to the heat-conducting component via at least two heat pipes.

7. The heat sink according to claim 1, characterized in that: The radiator body is provided with a first plug-in portion, and the condensing section of the heat pipe is provided at the first plug-in portion; The heat conducting component is provided with a second inserting portion, and the evaporation section of the heat pipe is arranged at the second inserting portion.

8. The heat sink according to claim 7, characterized in that: The first inserting portion is a slot or a jack, and the second inserting portion is a slot or a jack; And / or, the condensing section of the heat pipe is bonded or welded to the first inserting portion, and the evaporating section of the heat pipe is bonded or welded to the second inserting portion; And / or, the radiator body is a skived-tooth radiator.

9. A vehicle-mounted terminal, characterized in that: A heat sink comprising a housing, a fan, a chip and any one of claims 1 to 8; An air duct is provided in the shell, the heat sink and the fan are both arranged in the air duct, the direction of the inter-tooth channel of the heat sink is consistent with the air outlet direction of the fan, the heat sink and the air outlet end of the fan are spaced apart to form an air supply gap, and the heat conducting component of the heat sink is in contact with the chip.

10. The vehicle-mounted terminal according to claim 9, characterized in that: Also includes a PCB board, and the chip is mounted on the PCB board; The wall plate of the air duct is provided with a through hole corresponding to the chip, the PCB board and the chip are separated from the heat sink in the air duct via the wall plate of the air duct, and the heat conducting component of the heat sink passes through the through hole and contacts with the chip.

Images