CN211032222U

CN211032222U - Vehicle-mounted charger heat dissipation structure

Info

Publication number: CN211032222U
Application number: CN201922214389.0U
Authority: CN
Inventors: 周招会; 熊建平
Original assignee: Daming Electronic Co ltd
Current assignee: DAMING ELECTRONICS CO LTD
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-07-17
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses an on-vehicle machine heat radiation structure that charges, including dress casing and the cooling chamber of setting in the casing bottom to and set up two water conservancy diversion walls in order to form the water conservancy diversion channel way of bending the form through the both sides lateral wall parallel stagger in cooling chamber, water conservancy diversion channel way both ends are provided with inlet and liquid outlet respectively, the bottom surface of water conservancy diversion channel way is provided with a plurality of protruding structures along the water conservancy diversion channel way extension route is even densely covered. By adopting the technical scheme, the bottom area of the shell can be effectively covered by the diversion channel, the flowing area and the flow of liquid are increased, the contact area between the shell and the liquid is increased by adopting a plurality of protruding structures, and the liquid can uniformly flow through the diversion channel and the cooling cavity, so that the heat dissipation area and the heat dissipation efficiency of the diversion channel are improved, the heat dissipation effect of the vehicle-mounted charger is improved, and the safe use of the charging device in the vehicle-mounted charger is ensured.

Description

Vehicle-mounted charger heat dissipation structure

Technical Field

The utility model relates to an electric automobile technical field, concretely relates to vehicle-mounted machine heat radiation structure that charges.

Background

The automobile charger is a device special for charging automobile batteries of electric automobiles, and is a power conversion device with a specific function used when the batteries are charged.

Therefore, chinese patent document CN207589406U discloses a heat dissipation waterway structure of a vehicle-mounted charger, which is characterized by comprising a housing main body and a lower bottom shell, wherein a flow channel structure is arranged in an inner cavity of the housing main body, a water inlet and a water outlet are arranged on the housing main body, two ends of the flow channel structure are respectively communicated with the water inlet and the water outlet, the lower bottom shell is attached to the lower end edge of the housing main body and the flow channel structure, the flow channel structure is in a serpentine revolving structure with multiple circumfluence at a position with dense power, and is in a straight line structure at a position with sparse power consumption. Although the vehicle-mounted charger can realize the heat dissipation effect on the shell through the flow channel structure, the following problems still exist: water flow is easy to distribute and is not uniform enough when flowing through the runner structure, the contact area of the shell and liquid is small, the heat dissipation efficiency is low, and the heat dissipation performance of the vehicle-mounted charger is affected.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the liquid among the prior art and distributing when flowing through the runner structure is not enough even, and the area of contact of casing and liquid is less, and the radiating efficiency is lower, influences the problem of on-vehicle machine heat dispersion that charges.

For solving the technical problem, the utility model provides a vehicle-mounted machine heat radiation structure that charges, be in including the casing and the setting that are equipped with charging device the cooling chamber of casing bottom, and pass through the both sides lateral wall parallel stagger in cooling chamber sets up two water conservancy diversion walls in order to form the water conservancy diversion channel way of bending the form, water conservancy diversion channel way both ends are provided with inlet and liquid outlet respectively, the bottom surface of water conservancy diversion channel way is followed water conservancy diversion channel way extension route is evenly densely covered and is provided with a plurality of protruding structures.

As a preferable scheme, the plurality of protruding structures are arranged in the flow guide channel in line shape at intervals in sequence and are arranged in a plurality of rows in parallel.

Preferably, the protruding structure is a cylindrical structure or a truncated cone-shaped structure.

As a preferable scheme, the diversion channel is of a structure in a shape like a Chinese character 'ji'.

As a preferable scheme, one end of each of the two flow guide walls is in a circular arc structure.

Preferably, the cooling device further comprises a bottom cover which is arranged in the cooling cavity of the shell and covers the diversion channel in a sealing mode.

As a preferred scheme, the water conservancy diversion channel with set up seal structure between the bottom, seal structure includes along water conservancy diversion channel profile shape sets up round seal groove on the water conservancy diversion channel lateral wall to and inlay and establish the sealed pad of seal groove, sealed pad is in the bottom install in by the extrusion fastening when cooling the chamber.

As a preferred scheme, a joint structure for connecting the liquid inlet and the liquid outlet is arranged on the side wall of the shell.

Compared with the prior art, the technical scheme of the utility model have the following advantage:

1. the utility model provides an among the on-vehicle machine heat radiation structure that charges, through the both sides lateral wall parallel stagger in the cooling chamber set up two water conservancy diversion walls in order to form the water conservancy diversion channel way of bending the form, this kind of water conservancy diversion channel way is bent the number of times few and the width is big, can effectively cover the casing bottom region, increase liquid flow area and flow, and set up a plurality of protruding structures through the even densely distributed in bottom surface at the water conservancy diversion channel way, design benefit lies in like this, adopt a plurality of protruding structures to increase the area of contact between casing and the liquid, make flowing through water conservancy diversion channel way and cooling chamber that liquid can be even, thereby improve the heat radiating area and the radiating efficiency of water conservancy diversion channel way, and then promote the on-vehicle heat dispersion of machine.

2. The utility model provides an among the on-vehicle machine heat radiation structure that charges, a plurality of protruding structures are the interval setting in proper order of lines type in the water conservancy diversion channel, and what parallel arranged has the multirow, this kind of structure sets up, both can come with liquid homodisperse in the water conservancy diversion channel, be unlikely to appear liquid in the too concentrated phenomenon of certain department of water conservancy diversion channel, just also be equivalent to the water course that forms a plurality of parallel intercommunications in the water conservancy diversion channel, make liquid along these water courses fast flow in the water conservancy diversion channel, effectively increase heat radiating area, and the efficiency of the heat dissipation is improved.

3. The utility model provides an among the on-vehicle machine heat radiation structure that charges, can with the bottom installation will when fixing the cooling chamber the water conservancy diversion channel seals and covers to with the sealed pad extrusion fastening in the seal groove between bottom and casing bottom, thereby realize the sealed effect of water conservancy diversion channel prevents to appear leaking phenomenon, safe and reliable bottom the casing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below.

Fig. 1 is a schematic perspective view of a heat dissipation structure of a vehicle-mounted charger of the present invention;

fig. 2 is a schematic plan structure view of the heat dissipation structure of the vehicle-mounted charger of the present invention;

fig. 3 is a schematic view of a local enlarged structure of the heat dissipation structure of the vehicle-mounted charger of the present invention;

description of reference numerals: 1-shell, 10-cooling cavity, 11-liquid inlet, 12-liquid outlet, 13-joint structure, 2-flow guide wall, 3-flow guide groove channel, 31-sealing groove, 4-bulge structure, 5-bottom cover and 6-sealing ring.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

Example 1

The present embodiment is described in detail below with reference to the accompanying drawings:

this embodiment provides as shown in fig. 1-3 a vehicle-mounted charger heat radiation structure, including the casing 1 that is equipped with charging device and setting up the cooling chamber 10 of casing 1 bottom to and through the parallel diversion channel way 3 that staggers and set up two water conservancy diversion walls 3 in order to form the form of bending of both sides lateral wall of

cooling chamber

10, 3 both ends of diversion channel way are provided with inlet 11 and liquid outlet 12 respectively, the bottom surface of diversion channel way 3 is followed the even densely distributed a plurality of protruding structures 4 of 3 extension routes of diversion channel way.

Above-mentioned embodiment is the core technical scheme of this embodiment, casing 1 is the aluminium system casing, has good heat conductivility, and through the water conservancy diversion channel 3 that sets up the formula of bending in the cooling chamber of 1 bottom of casing, this kind of water conservancy diversion channel bend the number of times less and the width is big, can effectively cover 1 bottom region of casing increases liquid flow area and flow to evenly densely covered a plurality of protruding structures 4 that set up through the bottom surface at water conservancy diversion channel 3, design benefit lies in like this, adopts a plurality of protruding structures 4 to increase the area of contact between casing and the liquid, makes the water conservancy diversion channel that can be even flows through of liquid, thereby improves the heat-radiating area and the radiating efficiency of water conservancy diversion channel 3 promote the radiating effect to on-vehicle machine, guarantees the safe handling of the inside charging device of on-vehicle machine.

The specific arrangement of the protruding structure will be described in detail below with reference to fig. 2-3:

the plurality of the protruding structures 4 are arranged in the flow guide channel 3 at linear intervals in sequence and are arranged in a plurality of rows in parallel, wherein the specific shape of the protruding structures 4 is a cylindrical structure or a truncated cone-shaped structure, obviously, the protruding structures can also be other cylindrical structures, and the structure can uniformly disperse water flow in the flow guide channel 3, so that the phenomenon that the water flow is too dense at a certain part of the flow guide channel 3 is avoided, namely, a plurality of water channels which are communicated in parallel are formed in the flow guide channel 3, liquid can rapidly flow in the flow guide channel along the water channels, the heat dissipation area is effectively increased, and the heat dissipation efficiency is improved.

As a preferred embodiment, as shown in fig. 2, the diversion channel 3 is in a structure like a Chinese character 'ji', so that the cooling cavity in the square shape at the bottom of the housing 1 can be properly and reasonably filled with the diversion channel, and has a wider width and a longer length, so that the passing of a larger water flow can be satisfied, the replacement flow is fast, the heat dissipation effect is good, the end parts of the diversion wall 3 are in an arc structure, the resistance of the water flow during turning is reduced, the diversion channel has a drainage function, and finally the water flow flowing in from the liquid outlet along the diversion channel 3 flows out from the liquid outlet, and the circulation is repeated in this way, so that the heat dissipation function of the charging device in the vehicle-mounted charger is realized, and the charging device comprises electronic components such as a circuit board, a capacitor.

Further preferably, be provided with on the lateral wall of casing 1 and connect the joint design 13 of inlet 11 and liquid outlet 12, joint design 13 is used for external water pump and water route circulating device to can realize that liquid is in circulation flow between inlet 11 and the liquid outlet 12 of water conservancy diversion channel way improves resource utilization.

In order to ensure the installation tightness of the cooling cavity 10 and the flow guide channel 3, the vehicle-mounted charger of the embodiment further includes a bottom cover 5 installed in the cooling cavity of the housing 1 and covering the flow guide channel 3 in a sealing manner.

As a specific structure, as shown in fig. 2-3, a sealing structure is arranged between the flow guide channel 3 and the bottom cover 5, the sealing structure includes a circle of sealing groove 31 arranged on the side wall of the flow guide channel 3 along the contour shape of the flow guide channel 3, and a sealing gasket 6 embedded in the sealing groove 31, the sealing gasket 6 is pressed and fastened when the bottom cover 5 is installed in the cooling cavity 10, and by the above structure, the bottom cover 5 is installed and fixed to the cooling cavity, the flow guide channel 3 is sealed, and the sealing gasket in the sealing groove is pressed and fastened between the bottom cover 5 and the bottom of the housing 1, so that the sealing function of the flow guide channel 3 is realized, the water leakage phenomenon at the bottom of the housing is prevented, and the sealing structure is safe and reliable.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a vehicle-mounted machine heat radiation structure that charges which characterized in that: including casing (1) and the setting that is equipped with charging device cooling chamber (10) of casing (1) bottom, and through the both sides lateral wall parallel stagger of cooling chamber (10) sets up two water conservancy diversion walls (2) in order to form water conservancy diversion channel way (3) of bending the form, water conservancy diversion channel way (3) both ends are provided with inlet (11) and liquid outlet (12) respectively, the bottom surface of water conservancy diversion channel way (3) is followed water conservancy diversion channel way (3) extend route and evenly densely covered be provided with a plurality of protruding structures (4).

2. The heat dissipation structure of the vehicle-mounted charger according to claim 1, characterized in that: the plurality of the convex structures (4) are arranged in the flow guide channel (3) at intervals in line shape in sequence and are arranged in a plurality of rows in parallel.

3. The heat dissipation structure of the vehicle-mounted charger according to claim 2, characterized in that: the protruding structure (4) is of a cylindrical structure or a circular truncated cone-shaped structure.

4. The heat dissipation structure of the vehicle-mounted charger according to claim 3, characterized in that: the diversion channel (3) is of a structure shaped like a Chinese character 'ji'.

5. The heat dissipation structure of the vehicle-mounted charger according to claim 1, characterized in that: the end parts of the two flow guide walls (2) are in a circular arc structure.

6. The heat dissipation structure of the vehicle-mounted charger according to any one of claims 1 to 5, characterized in that: the cooling device also comprises a bottom cover (5) which is arranged in the cooling cavity of the shell (1) and covers the diversion channel (3) in a sealing way.

7. The heat dissipation structure of the vehicle-mounted charger according to claim 6, characterized in that: flow guide channel (3) with set up seal structure between bottom (5), seal structure includes the edge flow guide channel (3) profile shape sets up round seal groove (31) on flow guide channel (3) lateral wall to and inlay and establish sealed pad (6) of seal groove (31), sealed pad (6) are in bottom (5) install in by the extrusion fastening during the cooling chamber.

8. The heat dissipation structure of the vehicle-mounted charger according to claim 7, characterized in that: the side wall of the shell (1) is provided with a joint structure (13) for connecting the liquid inlet (11) and the liquid outlet (12).