CN220570846U - Vehicle-mounted terminal and vehicle - Google Patents

Abstract

The application discloses vehicle-mounted terminal and vehicle relates to equipment heat dissipation technical field, and this vehicle-mounted terminal can improve the heat transfer efficiency of radiator unit, and then improves radiating efficiency. The vehicle-mounted terminal comprises a shell and a heat dissipation assembly, wherein the heat dissipation assembly comprises a heat conduction piece, a heat pipe and a heat dissipation piece, the heat conduction piece is connected to the shell, the heat dissipation piece is connected to one side of the heat conduction piece, which is far away from the shell, the heat pipe is arranged between the heat conduction piece and the heat dissipation piece, and the two opposite sides of the heat pipe are respectively connected to the heat conduction piece and the heat dissipation piece. The vehicle-mounted terminal is used for being arranged on a vehicle body.

Description

Vehicle-mounted terminal and vehicle

Technical Field

The application relates to the field of equipment heat dissipation, and in particular relates to a vehicle-mounted terminal and a vehicle.

Background

As the functions borne by the vehicle-mounted terminal are more and more, the computing power of the vehicle-mounted terminal is more and more powerful, and the corresponding vehicle-mounted terminal generates larger heat during operation, so that the vehicle-mounted terminal is required to be cooled by the adaptive cooling assembly.

Disclosure of Invention

In the first aspect, an object of the present application is to provide a vehicle-mounted terminal, which has the advantages of multiple heat conduction paths, low heat flux density, high heat conduction efficiency and good heat dissipation effect.

Another object of the present application is to provide a vehicle-mounted terminal, its advantage lies in that, the heat pipe sets up in the holding tank, and the heat pipe can improve heat conduction efficiency to promote radiating component's radiating effect, can reduce radiating component's space and occupy, in addition, the heat conduction spare can also form the protection to the heat pipe, reduces the heat pipe by the extrusion possibility of colliding with.

Another object of the present application is to provide a vehicle-mounted terminal, which has the advantages that the first surface of the heat conducting member and the second surface of the heat pipe are flush, so that the structure of the heat radiating member is more regular, and the connection of the three members is facilitated.

Another object of the present application is to provide a vehicle-mounted terminal, which has the advantages that the second radial dimension of the heat pipe is smaller than the first radial dimension, so that the space occupation of the heat pipe along the second radial direction can be reduced, and the contact area between the heat pipe and the heat dissipation element is larger under the condition that the radial section of the heat pipe is unchanged, so as to improve the heat transfer efficiency.

Another object of the present application is to provide a vehicle-mounted terminal, which has the advantages that the groove wall of the accommodating groove is abutted against the heat pipe, so that the heat pipe is limited, the stability of the heat pipe is improved, and adverse effects on heat transfer caused by shaking of the heat pipe are avoided.

Another object of the present application is to provide a vehicle-mounted terminal, which has the advantages that through the alternate arrangement of the bending sections and the straight sections, the heat pipe can be spread out to a larger area within a limited length range, so as to improve the contact area between the heat pipe and the heat conducting piece, and the heat pipe is favorable for more uniformly transferring heat to the heat conducting piece, so that the heat distribution on the heat conducting piece is more uniform, the heat flow density is reduced, and the heat dissipation efficiency is improved.

Another object of the present application is to provide a vehicle-mounted terminal, which has the advantages that the heat conducting member extends into the housing through the extension portion, directly contacts with the heating component in the housing, and compared with the scheme that the heat conducting member conducts heat indirectly through the housing, the heat conducting path is shorter, and heat can be transferred to the heat conducting member more intensively.

Another object of the present utility model is to provide a vehicle-mounted terminal, which has the advantages that the extension portion is disposed corresponding to the extension path of the heat pipe, so that the distance between the extension portion and the heat pipe is shorter, and the extension portion is beneficial to rapidly transfer heat to the heat pipe.

Another object of the present application is to provide a vehicle-mounted terminal, which has the advantages that by setting up an airflow generator, the air flow rate of the position of a heat dissipation part is improved, so that the heat dissipation efficiency is improved, and a noise reduction gap is formed between the airflow generator and the heat dissipation part, so as to form an airflow buffer area, and effectively reduce the noise caused by airflow disturbance.

Another object of the present application is to provide a vehicle-mounted terminal, which has the advantages that an air flow channel is formed between the cover body and the housing, so that air flow can be effectively converged, thereby improving the utilization rate of the air flow and further improving the heat dissipation efficiency.

Another object of the present application is to provide a vehicle-mounted terminal, which has the advantages that the space between the first heat dissipation fins is smaller, the arrangement is denser, more first heat dissipation fins can be arranged in a unit volume, and therefore, the contact area between the heat dissipation element and the outside is increased, and the heat dissipation effect is improved.

In order to achieve the above-mentioned purpose, the vehicle-mounted terminal that this application embodiment provided, including casing and radiator unit, radiator unit includes heat conduction spare, heat pipe and radiator unit, and the heat conduction spare is connected in the casing, and the radiator unit is connected in heat conduction spare and is kept away from casing one side, and the heat pipe setting is between heat conduction spare and radiator unit, and the relative both sides of heat pipe are connected in heat conduction spare and radiator unit respectively.

In the embodiment of the application, the heat pipe is further arranged between the heat conducting piece and the heat radiating piece, the heat conducting piece, the heat pipe and the heat radiating piece are mutually connected, and on the basis of heat transfer of the heat pipe, the heat conducting piece can also directly transfer heat to the heat radiating piece, so that the heat conducting paths are more, and the heat transfer efficiency is high; in addition, the heat pipe can also transfer heat to different positions of the heat conducting piece for the distribution of heat on the heat conducting piece is more even, reduces the heat flow density, thereby improves heat transfer efficiency, and then improves radiating efficiency.

In a second aspect, another object of the present application is to provide a vehicle, which includes a vehicle body and a vehicle-mounted terminal, wherein the vehicle-mounted terminal is disposed in the vehicle body, and the vehicle of the present application includes the vehicle-mounted terminal of the first aspect, so that a heat dissipation effect of the vehicle-mounted terminal is better, and performance is less affected by temperature.

Drawings

Fig. 1 is an exploded structure diagram of a vehicle-mounted terminal provided in an embodiment of the present application;

fig. 2 is a schematic cross-sectional structure of a heat dissipation assembly in a vehicle-mounted terminal according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of a heat conducting member and a heat pipe in the vehicle-mounted terminal according to the embodiment of the present application;

fig. 4 is a schematic structural diagram of a heat conducting member in a vehicle-mounted terminal according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a first housing in the vehicle-mounted terminal provided in the embodiment of the present application;

fig. 6 is a schematic structural diagram of a noise reduction gap and an airflow channel in a vehicle-mounted terminal according to an embodiment of the present application.

Reference numerals:

1-a housing; 11-through holes; 12-a first housing; 13-a second housing; 14-a second mounting hole; 15-positioning columns; 16-second heat sink fins; 17-a second connection hole; 2-a heat dissipation assembly; 21-a heat conducting member; 211-a receiving groove; 212-a first surface; 213-extensions; 214-a first mounting hole; 215-positioning holes; 22-heat pipes; 221-a second surface; 222-straight section; 223-bending section; 23-a heat sink; 231-first heat sink fins; 24-an airflow generator; 25-noise reduction gap; 26-a cover; 261-first connection hole; 27-an air flow channel; 3-a heat generating component; 4-circuit board.

Detailed Description

For the purposes, technical solutions and advantages of the embodiments of the present application to be more apparent, the specific technical solutions of the present application will be described in further detail below with reference to the accompanying drawings in the embodiments of the present application. The following examples are illustrative of the present application, but are not intended to limit the scope of the present application.

In the present embodiments, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

Furthermore, in the embodiments of the present application, the terms "upper," "lower," "left," and "right," etc., are defined with respect to the orientation in which the components in the drawings are schematically disposed, and it should be understood that these directional terms are relative terms, which are used for descriptive and clarity with respect to each other, and which may vary accordingly with respect to the orientation in which the components in the drawings are disposed.

In the embodiments herein, unless explicitly specified and limited otherwise, the term "connected" is to be construed broadly, and for example, "connected" may be either a fixed connection, a removable connection, or an integral body; can be directly connected or indirectly connected through an intermediate medium.

In the present embodiments, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In the embodiments of the present application, words such as "exemplary" or "such as" are used to mean serving as examples, illustrations, or descriptions. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

The embodiment of the application provides a vehicle, and the type of the vehicle is not limited. Illustratively, in embodiments of the present application, a vehicle may refer to a sedan, an off-road vehicle, a sport utility vehicle (sport utility vehicle, SUV), a utility vehicle (MPV), a van, a passenger car, a bus, and the like. In the embodiment of the application, the vehicle can refer to an oil-powered vehicle, a new energy vehicle, an oil-electricity hybrid vehicle, a vehicle powered by a traction power supply system such as a trolley bus and the like.

Optionally, the vehicle provided by the embodiment of the application comprises a vehicle body and a vehicle-mounted terminal, wherein the vehicle-mounted terminal is arranged in the vehicle body, the vehicle body comprises a vehicle body, a power system, an electric system and the like, and the vehicle-mounted terminal can be used for controlling the power system and the electric system, so that the vehicle is more intelligent, and the vehicle-mounted terminal can also be used for vehicle communication, vehicle-mounted entertainment and the like.

Referring to fig. 1, the in-vehicle terminal includes a housing 1, and electronic devices, such as a circuit board 4, a processor chip, a power management chip, etc., provided in the housing 1, the processor chip, the power management chip, etc., of which are heat generating components 3 having a high heat generation amount, and heat dissipation is required for these heat generating components 3 so that the in-vehicle terminal can operate at a suitable ambient temperature.

Particularly, with the increase of integrated functions of the vehicle-mounted terminal and the increase of calculation power demands, a System On Chip (SOC) integrated on the vehicle-mounted terminal can ensure the calculation power demands of the vehicle-mounted terminal, but also brings about larger heating value, the heating power of the SOC can reach more than 40 watts, the stability and the reliability of the SOC pose challenges, and a high-efficiency heat dissipation assembly suitable for the SOC is needed.

In the related art, water cooling is adopted, but the water cooling requires a vehicle to provide a water cooling interface, and has the advantages of complex structure, high layout difficulty, easy liquid leakage and high maintenance cost. Or the vehicle-mounted terminal is arranged in the ventilation space of the vehicle-mounted air conditioner, or the ventilation channel of the vehicle-mounted air conditioner is additionally arranged at the position of the vehicle-mounted terminal, but whether the vehicle-mounted air conditioner is started or not has larger heat dissipation influence on the vehicle-mounted terminal, and the use of the vehicle-mounted air conditioner can lead to vapor condensation, so that the electrical system is short-circuited, the layout difficulty is high, the heat dissipation effect of the conventional air-cooled heat dissipation structure is poor, and the heat dissipation requirement of the vehicle-mounted terminal with high heat productivity is difficult to meet.

Therefore, referring to fig. 1 and 2, the embodiment of the application further provides a vehicle-mounted terminal, which includes a housing 1 and a heat dissipation assembly 2, the heat dissipation assembly 2 includes a heat conduction member 21, a heat pipe 22 and a heat dissipation member 23, the heat conduction member 21 is connected to the housing 1, the heat dissipation member 23 is connected to a side of the heat conduction member 21 away from the housing 1, the heat pipe 22 is disposed between the heat conduction member 21 and the heat dissipation member 23, and opposite sides of the heat pipe 22 are respectively connected to the heat conduction member 21 and the heat dissipation member 23.

Here, the heat conductive member 21 is connected to the housing 1 so as to transfer heat generated by the heat generating device in the housing 1 to the heat pipe 22, the heat pipe 22 transfers the heat to the heat dissipating member 23, and the heat dissipating member 23 is used to dissipate the heat to the outside, thereby dissipating the heat of the vehicle-mounted terminal.

The heat pipe 22 utilizes the convection principle to transfer heat, compared with contact heat conduction, the heat transfer efficiency is higher, in addition, the opposite sides of the heat pipe 22 are respectively connected with the heat conducting piece 21 and the heat radiating piece 23, so that the heat conducting piece 21, the heat radiating piece 23 and the heat pipe 22 are mutually connected, the heat conducting piece 21 can directly transfer heat to the heat radiating piece 23, the heat transfer paths are more, and therefore the heat transfer efficiency of the heat radiating assembly 2 is improved, and the heat radiating efficiency is further improved.

In addition, the heat pipe 22 can transfer heat to different parts of the heat conducting piece 21, so that local aggregation of the heat on the heat conducting piece 21 is reduced, the heat is distributed on the heat conducting piece 21 more uniformly, the heat flow density of the heat conducting piece 21 is improved, the heat transfer efficiency of the heat conducting piece 21 is improved, and the heat dissipation efficiency of the heat dissipation assembly 2 is improved.

It should be noted that, in the embodiment of the present application, the structure of the heat conducting member 21 is not limited, and the heat conducting member 21 may be a block structure, a plate structure, a cake structure, a rod structure, or the like, or may be formed by splicing one or more structures, and referring to fig. 3, in one possible embodiment of the present application, the heat conducting member 21 is a rectangular plate structure.

In addition, the connection mode of the heat conductive member 21 and the housing 1 is not limited in the embodiment of the present application, and the heat conductive member 21 and the housing 1 may be connected by a non-detachable mode such as welding, bonding, or may be connected by a detachable mode such as fastening, or the like.

Referring to fig. 3, 4 and 5, in one possible embodiment of the present application, the heat conducting member 21 is provided with a first mounting hole 214, the housing 1 is provided with a second mounting hole 14, and a fastener passes through the first mounting hole 214 and the second mounting hole 14 to fixedly connect the heat conducting member 21 and the housing 1, wherein the fastener is a screw, a bolt, a nut, or the like, and the first mounting hole 214 and the second mounting hole 14 may be correspondingly provided as a unthreaded hole or a threaded hole.

The number of the first mounting holes 214 may be one or more, the plurality of first mounting holes 214 may be distributed at the top angle position or the edge position of the heat conducting member 21, which is not limited in this application, referring to fig. 4, in one possible embodiment of the present application, four first mounting holes 214 are respectively disposed at four corners of the heat conducting member 21, and the second mounting holes 14 are disposed in one-to-one correspondence with the first mounting holes 214.

In order to facilitate positioning of the heat conducting member 21 and the housing 1, referring to fig. 4 and 5, in a possible embodiment of the present application, a positioning hole 215 is provided on the heat conducting member 21, a positioning post 15 is provided at a position of the housing 1 corresponding to the positioning hole 215, and the positioning post 15 extends into the positioning hole 215, so that the heat conducting member 21 is limited relative to the housing 1, so that a fastener can connect the two.

Specifically, two positioning holes 215 are formed in the heat conducting member 21, the two positioning holes 215 are respectively located in the middle of two short sides of the heat conducting member 21, and one of the positioning holes 215 is a long hole, so that the corresponding positioning column 15 can slide therein to facilitate fine adjustment of the position, and of course, the positioning holes 215 can also be formed in the housing 1, and the positioning column 15 is disposed in the heat conducting member 21.

It should be noted that, the structure of the heat dissipation element 23 is not limited in the present application, alternatively, the heat dissipation element 23 includes a plurality of heat dissipation fins, the plurality of heat dissipation fins are arranged in parallel, a heat dissipation channel is formed between the adjacent heat dissipation fins, and the contact area between the heat dissipation element 23 and the outside is effectively increased by the arrangement of the plurality of heat dissipation fins, so that higher heat dissipation efficiency is obtained.

Referring to fig. 2, the heat dissipation element 23 includes first heat dissipation fins 231, the distance between two adjacent first heat dissipation fins 231 is less than or equal to 3 mm, the distance between the first heat dissipation fins 231 is smaller, the arrangement is more dense, and more first heat dissipation fins 231 can be arranged in a unit volume, so that the contact area between the heat dissipation element 23 and the outside is increased, and the heat dissipation effect is improved.

In addition, referring to fig. 5, in one possible embodiment of the present application, the housing 1 includes the second heat dissipation fins 16, and the arrangement of the second heat dissipation fins 16 can increase the contact area between the housing 1 and the outside, so as to improve the heat dissipation efficiency of the vehicle-mounted terminal.

In the embodiment of the present application, the connection manner of the heat conducting member 21 and the heat dissipating member 23 is not limited, and the two may be connected by welding, bonding, clamping, fastening, or the like. Optionally, the heat dissipation member 23 and the heat conduction member 21 are fixed by welding, so that the connection strength is high, the structural stability is good, and the heat transfer is convenient.

In order to reduce the volume of the heat dissipation assembly 2 and make the vehicle-mounted terminal more compact, a groove body can be formed on one side of the heat dissipation member 23 facing the heat conduction member 21, or a groove body can be formed on one side of the heat conduction member 21 facing the heat dissipation member 23, and the heat pipe 22 is arranged in the groove body, so that the heat dissipation member 23 is in fit connection with the heat conduction member 21, and the volume of the heat dissipation assembly 2 is reduced.

Referring to fig. 2 and 3, in one possible embodiment of the present application, a receiving groove 211 is formed at a side of the heat conductive member 21 facing the heat dissipation member 23, and the heat pipe 22 is disposed in the receiving groove 211. Here, the heat pipe 22 is disposed in the accommodating groove 211, which can reduce the space occupation of the heat dissipating component 2 in a direction away from the housing 1, and in addition, the heat conducting member 21 can protect the heat pipe 22 disposed in the accommodating groove 211 thereof, so as to reduce the possibility of damaging the heat pipe 22 by collision, and the accommodating groove 211 provided on the heat conducting member 21 can reduce the material consumption, which is helpful for reducing the cost.

To facilitate the connection of the heat dissipation element 23 and the heat conduction element 21, referring to fig. 2, in one possible embodiment of the present application, the heat conduction element 21 includes a first surface 212 facing the heat dissipation element 23, the heat pipe 22 includes a second surface 221 facing the heat dissipation element 23, the first surface 212 and the second surface 221 are both planar, both fit the heat dissipation element 23, and the first surface 212 and the second surface 221 are disposed flush.

Here, since the first surface 212 and the second surface 221 are flush, the connection surface of the heat dissipation element 23 may be smoother, which is convenient for manufacturing, and the connection between the connection surface of the heat dissipation element 23 and the heat conduction element 21 is more convenient, so that the heat dissipation element 23, the heat conduction element 21 and the heat pipe 22 are assembled.

It should be noted that, in the embodiment of the present application, the structure of the heat pipe 22 is not limited, the radial section of the heat pipe 22 may be circular, oval, square, regular hexagon, etc., referring to fig. 2 and 3, in one possible embodiment of the present application, the side of the heat pipe 22, which is close to the heat dissipation element 23, is a plane, the side of the heat pipe 22, which is close to the heat conduction element 21, is also a plane, and the two planes and the side wall of the heat pipe 22 enclose to form the circumferential surface of the heat pipe 22, where the side wall of the heat pipe 22 is an arc structure protruding outwards, which not only can improve the contact area between the heat pipe 22 and the heat conduction element 21, but also makes the surface of the heat pipe 22 smoother.

Alternatively, the heat pipe 22 has a first radial dimension in a direction parallel to the first surface 212, and the heat pipe 22 has a second radial dimension in a direction perpendicular to the first surface 212, the second radial dimension being smaller than the first radial dimension. The heat pipe 22 is in a flat structure, so that the space occupation of the heat pipe 22 along the second radial direction is reduced, the contact area between the heat pipe 22 and the heat dissipation piece 23 can be increased under the condition that the radial section size is unchanged, and the heat transfer efficiency of the heat pipe 22 and the heat dissipation piece 23 is improved.

It should be noted that, in the embodiment of the present application, the fixing manner of the heat pipe 22 is not limited, for example, the heat pipe 22 is connected to the heat conducting member 21 by a clamping manner; for another example, the heat pipe 22 is connected to the heat sink 23 by welding; for another example, the heat pipe 22 is connected to the heat conductive member 21 by a hoop.

Optionally, in one possible embodiment of the present application, the groove wall of the accommodating groove 211 abuts against the heat pipe 22 at least along the radial direction of the heat pipe 22, so as to limit the heat pipe 22, and improve the stability of the heat pipe 22, that is, the groove wall of the accommodating groove 211 is closely attached to the arc-shaped side wall of the heat pipe 22, so that the movement of the heat pipe 22 relative to the heat conducting member 21 in the first radial direction can be limited, and the movement of the heat pipe 22 relative to the heat conducting member 21 in the second radial direction can be limited, thereby positioning the heat pipe 22 and the heat conducting member 21 relative to each other.

In order to facilitate the assembly of the heat pipe 22 on the heat conducting member 21, referring to fig. 2, in one possible embodiment of the present application, a gap is left between the side wall of the heat pipe 22 and the groove wall of the accommodating groove 211, so that the heat pipe 22 can be conveniently placed into the accommodating groove 211, the heat pipe 22 is connected to the heat conducting member 21 by welding, and the heat pipe 22 is welded to the heat dissipating member 23, so that the heat conducting member 21, the heat pipe 22 and the heat dissipating member 23 are welded into a whole, thereby improving the structural strength.

In addition, the axis of the heat pipe 22 may extend along a straight line or may extend along a curved line, and in order to increase the spreading area of the individual heat pipe 22 on the heat conductive member 21, referring to fig. 3, in one possible embodiment of the present application, the heat pipe 22 includes straight sections 222 and bent sections 223, and the straight sections 222 and the bent sections 223 are alternately arranged along the length direction of the heat pipe 22.

Here, the axis of the straight section 222 of the heat pipe 22 extends along a straight line, the axis of the bending section 223 of the heat pipe 22 is bent at an acute angle, a right angle, an obtuse angle, or an arc shape, so that the heat pipe 22 is smoothly transited, the alternating arrangement of the straight section 222 and the extending section makes the heat pipe 22 meander, and more spread heat conducting members 21 of the heat pipe 22 can be provided on a limited length, so that the contact area between the two heat conducting members 21 is increased, the heat pipe 22 can transfer heat to more positions of the heat conducting members 21, so that the heat is uniformly distributed on the heat conducting members 21, the heat flow density is reduced, and the use of a single heat pipe 22 is also beneficial to cost reduction.

The straight sections 222 and the bending sections 223 may be one or more, and there are various possible patterns of the heat pipe 22 formed by the straight sections 222 and the bending sections 223, for example, the straight sections 222 include a first straight section 222 and a second straight section 222, the first straight section 222 and the second straight section 222 form an included angle, the first straight section 222 is parallel to each other, the second straight section 222 is parallel to each other, the bending sections 223 are in a "V" shape, and the first straight section 222, the bending section 223 and the second straight section 222 form the wave-shaped heat pipe 22 alternately in sequence, or referring to fig. 3, to form a "Z" type heat pipe.

Alternatively, the straight sections 222 are disposed parallel to each other, and the bending sections 223 are formed in a "U" shape, so that the heat pipe 22 is formed in an "S" shape, and it is understood that the extending shape of the receiving groove 211 is adapted to the heat pipe 22 due to the heat pipe 22 being disposed in the receiving groove 211.

Of course, a plurality of heat pipes 22 may be disposed between the heat conductive member 21 and the heat dissipation member 23, and the plurality of heat pipes 22 may be disposed in parallel or arranged in an array, thereby improving heat transfer efficiency between the heat conductive member 21 and the heat dissipation member 23.

It should be noted that, in this embodiment of the application, the heat generated by the heating component 3 may be indirectly transferred to the heat conducting member 21 through the housing 1, so that the housing 1 is more complete in structure and better in sealing performance, or the heat conducting member 21 passes through the housing 1 and is directly connected with the heating component 3, so that the heat transfer effect is better.

Referring to fig. 1 and 5, in one possible embodiment of the present application, the housing 1 is provided with a through hole 11 corresponding to the position of the heat conducting member 21, and the heat conducting member 21 includes an extension portion 213 extending into the through hole 11, where the extension portion 213 abuts against the heat generating component 3 in the housing 1. Here, the extension 213 abuts against the heat generating component 3, so that the heat generated by the heat generating component 3 can be directly transferred to the heat conducting member 21, the transfer path is shorter, the efficiency is higher, and the temperature rise of the housing 1 can be effectively suppressed.

The number of the extension portions 213 may be one or more, and the plurality of extension portions 213 may abut against different heat generating components 3, for example, one extension portion 213 abuts against the SOC, and another extension portion 213 abuts against the power management chip.

The contact surface between the extension portion 213 and the heat generating component 3 may be square, circular, or the like, and the size and shape of the extension portion 213 may be set according to the heat generating component 3 to which the extension portion 213 is in contact, for example, the extension portion 213 in contact with the CPU may be a square structure having a large size, and the extension portion 213 in contact with the power management chip may be a square structure having a small size.

On this basis, at least one extension 213 is disposed corresponding to the extension path of the heat pipe 22, that is, along the direction perpendicular to the heat conducting member 21, the projection of the extension 213 at least partially overlaps with the projection of the heat pipe 22, so that the distance between the extension 213 and the heat pipe 22 is shorter, which is beneficial for the extension 213 to rapidly transfer heat to the heat pipe 22.

In order to further improve the heat dissipation efficiency, referring to fig. 1 and 6, in one possible embodiment of the present application, the vehicle-mounted terminal further includes an airflow generator 24, where the airflow generator 24 is connected to the side of the housing 1 near the heat dissipation element 23, and the airflow generator 24 is used to generate an airflow toward the heat dissipation element 23.

The airflow generator 24 may be an axial fan, a centrifugal fan, or the like, and an air outlet of the airflow generator 24 faces the heat dissipation element 23, so that generated airflow rapidly flows through the heat dissipation element 23, and heat on the heat dissipation element 23 is rapidly transferred to the outside.

In addition, the fixing manner of the airflow generator 24 is not limited in this embodiment, the airflow generator 24 may be fixed by welding, bonding, clamping, fastening, or the like, the airflow generator 24 may be fixed to the heat dissipation member 23, or may be fixed to the heat conduction member 21 or the housing 1, and optionally, in one possible embodiment of this application, the airflow generator 24 is fixedly connected to the housing 1 through a fastening member.

Since the airflow pressure distribution generated by the airflow generator 24 is not uniform, a turbulent airflow is formed, and the turbulent airflow vibrates the heat dissipating fins of the heat dissipating member 23 to generate noise, in order to reduce the noise, referring to fig. 6, in a possible embodiment of the present application, a noise reducing gap 25 is provided between the airflow generator 24 and the heat dissipating member 23, and the length of the noise reducing gap 25 is smaller than the radius of the air outlet of the airflow generator 24.

Here, due to the noise reduction gap 25, an air flow buffer area is formed, so that air pressure is more uniformly distributed when the air flow generated by the air flow generator 24 reaches the heat sink 23, thereby reducing the possibility of vibration of the heat sink fins and reducing noise.

The length of the noise reduction gap 25 is the distance from the air outlet of the air flow generator 24 to the heat dissipation element 23, and because the disturbance air flow of the air flow generator 24 has a limited action range, the length of the noise reduction gap 25 exceeds the range, and no more gain can be brought, so that the length of the noise reduction gap 25 is set to be smaller than the radius of the air outlet of the air flow generator 24, and a better noise reduction effect can be obtained in the range.

For example, the airflow generator 24 employs 5015 fans, that is, the length and width of the airflow generator 24 are 50 mm, the width is 15 mm, the air outlet direction of the airflow generator 24 is the width direction thereof, the diameter thereof may be regarded as 50 mm, the radius is 25 mm, the length of the noise reduction gap 25 is less than 25 mm, and the noise reduction gain is smaller after the length of the noise reduction gap 25 is less than 15 mm, alternatively, the length of the noise reduction gap 25 is 15 mm.

In order to further enhance the heat dissipation effect, referring to fig. 1 and 6, in one possible embodiment of the present application, the heat dissipation assembly 2 further includes a cover 26, the cover 26 is connected to the housing 1, and an airflow channel 27 is formed between the cover 26 and the housing 1, and the airflow generator 24 and the heat dissipation element 23 are sequentially disposed in the airflow channel 27.

Here, the air flow can be effectively limited in the air flow channel 27 by the arrangement of the cover body 26, so as to reduce the air pressure drop caused by air flow dissipation, thereby improving the air flow speed and flow rate of the heat dissipation member 23, further improving the heat dissipation efficiency, and the air flow channel 27 is located outside the housing 1, so that the possibility that the air flow brings dust to the electronic device in the housing 1 can be reduced, and the dust-proof reliability of the vehicle-mounted terminal is improved.

It should be noted that, in this embodiment of the present application, the connection manner of the cover 26 and the housing 1 is not limited, for example, the cover 26 and the housing 1 are welded, clamped, bonded, etc., in order to facilitate the disassembly of the two, referring to fig. 1 and 5, in one possible embodiment of the present application, the cover 26 is provided with a first connection hole 261, the housing 1 is provided with a second connection hole 17, and a fastener passes through the first connection hole 261 and the second connection hole 17 to fixedly connect the cover 26 and the housing 1, where the fastener is a screw, a bolt, a nut, etc., and the first connection hole 261 and the second connection hole 17 may be correspondingly provided as a unthreaded hole or a threaded hole.

Wherein, first connecting hole 261 can be one or more, a plurality of first connecting hole 261's mode of arranging can be according to the structure setting of lid 26, refer to fig. 1, in this application one possible embodiment, lid 26 is box structure, the length direction of lid 26 is the same with the length direction of heat conduction spare 21, lid 26 all is provided with connecting portion along the both sides of heat conduction spare 21 width direction, connecting portion are the strip structure of parallel heat conduction spare 21, every connecting portion is equipped with three first connecting hole 261 along its length direction equipartition, second connecting hole 17 and first connecting hole 261 one-to-one setting, two connecting portions are with lid 26 firm connection on casing 1.

In addition, since the airflow generator 24 and the heat dissipating member 23 of the cover 26 are both disposed in the cover 26, in order to achieve sealing, the cross-sectional dimensions of different positions may be different along the length direction of the cover 26, for example, the cross-sectional dimensions of the cover 26 corresponding to the position of the airflow generator 24 are smaller, and the dimensions of the portion are adapted to the airflow generator 24, so that the peripheral side of the airflow generator 24 is attached to the cover 26, and the cross-sectional dimensions of the cover 26 corresponding to the position of the heat dissipating member 23 are larger, so that the heat dissipating member 23 of a larger size is mounted.

It should be noted that, on the premise of ensuring the structural strength of the heat dissipating assembly 2, the components in the heat dissipating assembly 2 may be made of materials with high heat conductivity and low elastic modulus, so as to increase the structural strength and improve the heat transfer efficiency.

In addition, the structure of the housing 1 is not limited in this embodiment, and the housing 1 may be square, round, or other irregular shapes, and only the housing 1 may accommodate the heat generating component 3 and may be provided with the heat dissipating component 2.

In addition, the housing 1 may be a single member or may be formed by combining a plurality of members, referring to fig. 1, in one possible embodiment of the present application, the housing 1 includes a first housing 12 and a second housing 13, where the first housing 12 is a box-shaped structure and has a housing cavity, the second housing 13 is a plate-shaped structure, and the second housing 13 covers the first housing 12, so as to seal the housing cavity, which is so arranged as to facilitate the installation of the electronic device in the housing 1.

Of course, the second housing 13 may be configured as a box-shaped structure, the first housing 12 may be configured as a plate-shaped structure, and the first housing 12 may be covered on the second housing 13, or the first housing 12 and the second housing 13 may be configured as box-shaped structures, and the two housings may be fastened relatively, which is not limited in this embodiment of the present application.

Optionally, the first housing 12 is used as a framework of the vehicle-mounted terminal, and the rigidity requirements of the heat dissipation assembly 2, the circuit board 4 and the second housing 13 can be correspondingly reduced, so that the cost is reduced, the first housing 12 is a die casting manufactured by adopting a die casting process, so that the manufacturing and the forming are facilitated, the first housing 12 is die-cast into a box structure, the rigidity is relatively high, the vibration resistance of the vehicle-mounted terminal is improved, and the first housing 12 is used for connecting a vehicle body and the heat dissipation assembly 2.

On the basis, the through hole 11, the second mounting hole 14 and the second connecting hole 17 are all arranged on the first shell 12, and the second shell 13 is positioned on one side of the first shell 12 away from the heat dissipation component 2.

The first casing 12 and the second casing 13 may be connected by a fastening connection, etc. to facilitate disassembly and maintenance, or may be connected by a welding connection, an adhesive connection, etc. in this embodiment, the connection mode of the two is not limited.

The vehicle-mounted terminal provided by the embodiment of the application is provided with the air-cooled radiating component 2, so that the heat transfer efficiency is higher and the radiating effect is better compared with that of a conventional air-cooled mechanism; compared with a water cooling mechanism, the structure is simpler, the layout is more convenient, the SOC vehicle-mounted terminal with high heating value can be effectively applied, and the structure has the advantages of high strength, low noise, compact structure, convenience in layout and the like.

The foregoing embodiment numbers of the present application are merely for describing, and do not represent advantages or disadvantages of the embodiments. The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the claims, and all equivalent structures or equivalent processes using the descriptions and drawings of the present application, or direct or indirect application in other related technical fields are included in the scope of the claims of the present application.

Claims (12)

1. A vehicle-mounted terminal, characterized by comprising:

a housing;

the heat dissipation assembly comprises a heat conduction piece, a heat pipe and a heat dissipation piece, wherein the heat conduction piece is connected to the shell, the heat dissipation piece is connected to one side, away from the shell, of the heat conduction piece, the heat pipe is arranged between the heat conduction piece and the heat dissipation piece, and two opposite sides of the heat pipe are respectively connected to the heat conduction piece and the heat dissipation piece.

2. The vehicle-mounted terminal according to claim 1, wherein a receiving groove is provided on a side of the heat conductive member facing the heat dissipation member, and the heat pipe is provided in the receiving groove.

3. The vehicle-mounted terminal of claim 2, wherein the thermally conductive member comprises a first surface facing the heat sink, the heat pipe comprises a second surface facing the heat sink, the first surface and the second surface each conform to the heat sink, and the first surface and the second surface are disposed flush.

4. The vehicle-mounted terminal of claim 3, wherein the heat pipe has a first radial dimension in a direction parallel to the first surface, and the heat pipe has a second radial dimension in a direction perpendicular to the first surface, the second radial dimension being smaller than the first radial dimension.

5. The vehicle-mounted terminal according to claim 2, wherein a wall of the accommodation groove abuts against the heat pipe at least in a radial direction of the heat pipe.

6. The vehicle-mounted terminal according to any one of claims 1 to 5, wherein the heat pipe includes straight sections and bent sections, the straight sections and the bent sections being alternately arranged along a length direction of the heat pipe.

7. The vehicle-mounted terminal according to any one of claims 1 to 5, wherein a through hole is provided in the housing corresponding to the position of the heat conductive member, the heat conductive member includes an extension portion that protrudes into the through hole, and the extension portion abuts against a heat generating component in the housing.

8. The vehicle-mounted terminal of claim 7, wherein at least one of the extensions is disposed corresponding to an extension path of the heat pipe.

9. The vehicle-mounted terminal according to any one of claims 1 to 5, further comprising an air flow generator connected to a side of the housing near the heat sink, the air flow generator being configured to generate an air flow toward the heat sink;

and a noise reduction gap is arranged between the airflow generator and the radiating piece, and the length of the noise reduction gap is smaller than the radius of an air outlet of the airflow generator.

10. The vehicle-mounted terminal of claim 9, wherein the heat dissipating assembly further comprises a cover body connected to the housing, and an air flow channel is formed between the cover body and the housing, and the air flow generator and the heat dissipating member are sequentially disposed in the air flow channel.

11. The vehicle-mounted terminal according to any one of claims 1 to 5, wherein the heat sink includes first heat dissipation fins, and a distance between two adjacent first heat dissipation fins is 3 mm or less.

12. A vehicle, characterized by comprising:

a vehicle body;

the in-vehicle terminal of any one of claims 1 to 11, which is provided in the vehicle body.