CN209921092U

CN209921092U - Water-cooling casing of vehicle-mounted charger and vehicle-mounted charger

Info

Publication number: CN209921092U
Application number: CN201920648843.0U
Authority: CN
Inventors: 赵雷
Original assignee: Lekin Electronic Research And Development Center (shanghai) Co Ltd
Current assignee: Lekin Electronic Research And Development Center (shanghai) Co Ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-01-10
Anticipated expiration: 2029-05-08

Abstract

The utility model provides a water-cooled casing and on-vehicle machine that charges of on-vehicle machine that charges, it includes: the shell body is provided with a bottom plate, the shell body is provided with a water inlet, a water outlet and a first water tank formed by sinking from the outer surface of the bottom plate to the inner part of the shell body, the first water tank protrudes out of the inner surface of the bottom plate to form an installation boss, the side surface of the installation boss is a first installation surface for installing an electronic element, and the top surface of the installation boss is a second installation surface for installing the electronic element; the bottom shell is arranged on the outer surface of the bottom plate and seals the notch of the first water tank, the bottom shell and the first water tank enclose a water cooling channel, and the water inlet, the water cooling channel and the water outlet are communicated in sequence. The utility model discloses well cooling hydroenergy cools off the electronic component on the side of installation boss and the top surface simultaneously, compares with prior art, effectively improves water-cooling channel's cooling efficiency, reduces water-cooling channel's area occupied and occupation volume, reduces the whole volume of water-cooling casing, improves the radiating efficiency of water-cooling casing.

Description

Water-cooling casing of vehicle-mounted charger and vehicle-mounted charger

Technical Field

The utility model belongs to the technical field of the on-vehicle machine technical field that charges and specifically relates to a water-cooling casing and on-vehicle machine that charges that charge that vehicle-mounted machine charges.

Background

The water cooling channel is arranged on the water cooling shell of the new energy vehicle-mounted charger to dissipate heat of electronic elements of the vehicle-mounted charger, the water cooling channel of the existing new energy vehicle-mounted charger is paved at the bottom of all the electronic elements, only one electronic element can be cooled by the water cooling channel at the same length position, the cooling efficiency is low, when a large number of electronic elements need to be cooled, the water cooling channel can only be lengthened, the occupied area of the water cooling channel is large, and the whole volume of the water cooling shell is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a water-cooling machine shell and the on-vehicle machine that charges that charge to improve water-cooling channel's cooling efficiency, reduce water-cooling channel's area occupied, reduce the whole volume of water-cooling machine shell.

In order to achieve the above object, the utility model provides a water-cooling machine shell of on-vehicle machine that charges, it includes: the electronic component mounting device comprises a machine shell main body and a mounting base plate, wherein the machine shell main body is provided with a bottom plate, the machine shell main body is provided with a water inlet, a water outlet and a first water tank formed by sinking from the outer surface of the bottom plate to the inner part of the machine shell main body, the first water tank protrudes out of the inner surface of the bottom plate to form a mounting boss, the side surface of the mounting boss is a first mounting surface for mounting an electronic component, and the top surface of the mounting boss is a second mounting surface for mounting the electronic component; the bottom shell is arranged on the outer surface of the bottom plate and seals the notch of the first water tank, a water cooling channel is defined by the bottom shell and the first water tank, and the water inlet, the water cooling channel and the water outlet are communicated in sequence.

The water-cooling casing of the vehicle-mounted charger is characterized in that the first water tank is U-shaped, the mounting boss is U-shaped and comprises a first boss, a second boss and a third boss which are sequentially connected, two ends of the second boss are respectively connected with the first boss and the third boss, the side surface of the first boss, the side surface of the second boss and the side surface of the third boss form the first mounting surface, and the top surface of the first boss, the top surface of the second boss and the top surface of the third boss form the second mounting surface.

The water-cooling casing of the vehicle-mounted charger is characterized in that the first boss, the second boss and the third boss are rectangular, the four side surfaces of the first boss, the two side surfaces of the second boss and the four side surfaces of the third boss form the first mounting surface, and the top surface of the first boss, the top surface of the second boss and the top surface of the third boss form the second mounting surface.

The water-cooled casing of the vehicle-mounted charger is characterized in that the depth of the first water tank is 20-30 mm.

The water-cooling casing of the vehicle-mounted charger is characterized in that the first water tank is arranged in the middle of the outer surface of the bottom plate, and the mounting boss is arranged in the middle of the inner surface of the bottom plate.

The water-cooling casing of the vehicle-mounted charger comprises a pasting plate and a convex portion, wherein the convex portion is arranged on the top surface of the pasting plate, the top surface of the pasting plate is pasted with the outer surface of the bottom plate, the shape of the convex portion is matched with that of the first water tank, the convex portion extends into the first water tank from the notch of the first water tank, and the convex portion and the first water tank enclose a water-cooling channel.

The water-cooling casing of the vehicle-mounted charger is characterized in that the water inlet and the water outlet are arranged on a side plate of the casing main body, one end of the first water tank is connected with the water inlet through a second water tank, the other end of the first water tank is connected with the water outlet through a third water tank, the second water tank and the third water tank are formed by sinking the outer surface of the bottom plate towards the inside of the casing main body respectively, and the depth of the second water tank and the depth of the third water tank are smaller than that of the first water tank.

The water-cooled casing of the vehicle-mounted charger is characterized in that the second water tank is a U-shaped groove.

The water-cooling casing of the vehicle-mounted charger is characterized in that the groove depth of the second water groove is 2-10 mm, and the groove depth of the third water groove is 2-10 mm.

The utility model also provides a vehicle-mounted charger, it includes foretell vehicle-mounted charger's water-cooling casing.

The utility model discloses a water-cooled casing of on-vehicle machine that charges and on-vehicle characteristics and the advantage that charge are:

the utility model discloses well first basin protrusion forms the installation boss in the internal surface of bottom plate, electronic component can all be installed to the side and the top surface of installation boss, consequently, the electronic component on the side of cooling hydroenergy simultaneous cooling installation boss and the top surface, realize cooling off a plurality of electronic component simultaneously on the same length position of water-cooling passageway, can only cool off an electronic component on the same length position of water-cooling passageway with prior art and compare, effectively improve the cooling efficiency of water-cooling passageway, reduce the area occupied of water-cooling passageway and occupy the volume, reduce the whole volume of water-cooling casing, also improve the radiating efficiency of water-cooling casing.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

fig. 1 is a schematic view of the bottom of a water-cooled housing of the vehicle-mounted charger of the present invention;

fig. 2 is a schematic view of an angle inside the water-cooling casing of the vehicle-mounted charger of the present invention;

fig. 3 is a schematic view of another angle inside the water-cooled casing of the vehicle-mounted charger of the present invention;

fig. 4 is a schematic diagram of the electronic components installed in the water-cooled casing of the vehicle-mounted charger of the present invention;

FIG. 5 is a schematic diagram of a printed circuit board flipped inside a water-cooled housing of a vehicle-mounted charger;

fig. 6 is a schematic view of a bottom case of the present invention;

fig. 7 is a sectional view of the bottom case mounted on the bottom of the main body of the cabinet.

Main element number description:

1. a case main body;

11. a base plate; 12. a water inlet; 13. a water outlet; 14. a first water tank; 15. mounting a boss;

151. a first boss; 152. a second boss; 153. a third boss;

16. a second water tank; 17. a third water tank; 18. a transition groove; 19. an accommodating space;

2. a bottom case; 21. pasting a board; 22. a convex portion;

3. an electronic component;

q, space.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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 defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1, fig. 2, fig. 6, and fig. 7, the utility model provides a water-cooling casing of vehicle-mounted charger, which comprises a casing main body 1 and a bottom casing 2, the casing main body 1 has a bottom plate 11, the casing main body 1 is provided with a water inlet 12, a water outlet 13, and a first water tank 14 formed by sinking from the outer surface of the bottom plate 11 to the inside of the casing main body 1, the first water tank 14 protrudes from the inner surface of the bottom plate 11 to form an installation boss 15 located inside the casing main body 1, the side surface of the installation boss 15 (i.e. the outer side surface of the first water tank 14) is a first installation surface for installing an electronic element 3, and the top surface of the installation boss 15 (i.e. the outer bottom surface of the first water tank 14; the bottom shell 2 is arranged on the outer surface of the bottom plate 11 and seals the notch of the first water tank 14, the bottom shell 2 and the first water tank 14 enclose a water cooling channel, and the water inlet 12, the water cooling channel and the water outlet 13 are sequentially communicated.

During the use, cooling water flows into the rivers passageway via water inlet 12, when flowing through the rivers passageway, cool off electronic component 3 of installing on the side of installation boss 15 and top surface, flow out from delivery port 13 again, because cooling water can cool off electronic component 3 on the side of installation boss 15 and the top surface simultaneously, realize cooling off a plurality of electronic component simultaneously on the same length position of water-cooling passageway, compare with prior art can only cool off an electronic component on the same length position of water-cooling passageway, effectively improve the cooling efficiency of water-cooling passageway, reduce the area occupied and the volume occupied of water-cooling passageway, reduce the whole volume of water-cooling casing, also improve the radiating efficiency of water-cooling casing.

As shown in fig. 1, 2, and 3, in a specific embodiment, the first water tank 14 is U-shaped, the mounting boss 15 includes a first boss 151, a second boss 152, and a third boss 153 connected in sequence, that is, the first water tank 14 is formed by three sections of grooves corresponding to the three bosses, two ends of the second boss 152 are respectively connected to the first boss 151 and the third boss 153, a side surface of the first boss 151, a side surface of the second boss 152, and a side surface of the third boss 153 form a first mounting surface, and a top surface of the first boss 151, a top surface of the second boss 152, and a top surface of the third boss 153 form a second mounting surface.

Specifically, the first boss 151 and the third boss 153 are arranged in parallel and at an interval, two ends of the second boss 152 are respectively connected with two opposite side surfaces of the first boss 151 and the third boss 153, the second boss 152 is perpendicular to the first boss 151, and the second boss 152 is perpendicular to the third boss 153.

In the embodiment, the first water tank 14 is provided with the U-shaped groove, and the mounting boss 15 is provided with the U-shaped boss, so that the length of the first water tank 14 can be prolonged as much as possible in a limited area, the areas of the first mounting surface and the second mounting surface are increased, and the overall volume of the water cooling enclosure is further reduced.

As shown in fig. 2, 3, and 4, the first protrusion 151, the second protrusion 152, and the third protrusion 153 surround the accommodating space 19 for accommodating electronic components, so that the electronic components accommodated in the accommodating space 19 are surrounded by the first water tank 14, and the cooling effect is good.

As shown in fig. 2 and 3, further, the first protrusion 151, the second protrusion 152, and the third protrusion 153 are each rectangular, or the cross section of the first water tank 14 is rectangular, the first protrusion 151 has four side surfaces and a top surface, the second protrusion 152 has two side surfaces and a top surface, and the third protrusion 153 has four side surfaces and a top surface, so that the four side surfaces of the first protrusion 151, the two side surfaces of the second protrusion 152, and the four side surfaces of the third protrusion 153 form the first mounting surface, and the top surface of the first protrusion 151, the top surface of the second protrusion 152, and the top surface of the third protrusion 153 form the second mounting surface.

The three bosses are arranged in a cuboid shape, so that the mounting surfaces are large in number and large in area, electronic elements of different types can be mounted conveniently, the electronic elements on two side surfaces and one top surface can be cooled by cooling water at the same length position of the water cooling channel, and the cooling efficiency of the cooling water is three times that of the existing water cooling channel.

For example, electronic components of a surface mount type are mounted on the top surfaces of the first and

third bosses

151 and 153, electronic components of a plug-in type are mounted on the top surfaces of the second and

third bosses

152 and 153, and magnetic elements are disposed in the accommodating space 19 and closely attached to the side surfaces of the three bosses, for example, inductors or transformers.

Further, the first water tank 14 has a tank depth of 20mm to 30 mm. For example, the first water channel 14 has a channel depth of 23mm, 25mm or 28 mm.

As shown in fig. 1, 2, 3, and 4, the first water tank 14 is disposed in the middle of the outer surface of the bottom plate 11, that is, the mounting boss 15 is disposed in the middle of the inner surface of the bottom plate 11, and this arrangement provides a space between the mounting boss 15 and each side plate of the cabinet main body 1, which facilitates mounting electronic components on the side surface of the mounting boss 15, and also facilitates placing other electronic components in the spaces, thereby improving the utilization rate of the cooling water channel. For example, a transformer is placed in the space Q between the first boss 151 and a side plate of the casing main body 1.

As shown in fig. 6 and 7, in another embodiment, the bottom shell 2 includes a plate 21 and a protrusion 22, for example, the plate 21 is a flat plate, the protrusion 22 is disposed on a top surface of the plate 21, the top surface of the plate 21 is attached to an outer bottom surface of the housing body 1, the shape of the protrusion 22 matches the shape of the first water tank 14, the protrusion 22 extends into the first water tank 14 from the notch of the first water tank 14 to close the notch of the first water tank 14, and the protrusion 22 and the first water tank 14 enclose a water cooling channel for passing cooling water. When the first water tank 14 is a U-shaped tank, the convex portion 22 is also U-shaped, and when the cross section of the first water tank 14 is rectangular, the cross section of the convex portion 22 is also rectangular.

As shown in fig. 1 and 2, in a preferred embodiment, the water inlet 12 and the water outlet 13 are both disposed on a side plate of the cabinet main body 1, one end of the first water tank 14 is connected to the water inlet 12 through a second water tank 16, the other end of the first water tank 14 is connected to the water outlet 13 through a third water tank 17, the second water tank 16 and the third water tank 17 are respectively formed by sinking from an outer surface of the bottom plate 11 toward an inner portion of the cabinet main body 1, the depth of the second water tank 16 and the third water tank 17 is smaller than that of the first water tank 14, the pasting plate 21 of the bottom case 2 covers the second water tank 16 and the third water tank 17, so as to seal the notches of the second water tank 16 and the third water tank 17, and form a flow passage for cooling water to pass through in the second water tank 16 and the third water tank 17, wherein the water inlet 12, the flow passage in the second water tank 16, the water cooling channel in the first water tank 14, the flow passage in the third water tank 17 and the water outlet 13 are communicated in sequence.

By providing the second water tank 16 and the third water tank 17 having a shallow tank depth, it is convenient to provide electronic components on the inner surface of the bottom plate 11 of the cabinet main body 1 at positions corresponding to the second water tank 16 and the third water tank 17, and when cooling water flows through the second water tank 16 and the third water tank 17, the electronic components on the inner surface of the bottom plate 11 can be cooled.

For example, the second and

third water tanks

16 and 17 have a depth smaller than the thickness of the bottom plate 11 of the casing main body 1, that is, the second and

third water tanks

16 and 17 do not protrude from the inner surface of the bottom plate 11 of the casing main body 1, so as to cool the electronic components directly mounted on the inner surface of the bottom plate 11.

As shown in fig. 1, the second water tank 16 and the third water tank 17 are transited to the first water tank 14 through a transition tank 18 having a gradually increasing tank depth.

As shown in fig. 1, the second water tank 16 is a U-shaped tank. By providing the second water tank 16 as a U-shaped groove, the length of the second water tank 16 can be extended as long as possible in a limited area, and the cooling effect is improved.

Further, the second water tank 16 has a tank depth of 2mm to 10mm, for example, the second water tank 16 has a tank depth of 5mm or 8mm, and the third water tank 17 has a tank depth of 2mm to 10mm, for example, the third water tank 17 has a tank depth of 5mm or 8 mm.

The utility model discloses a water-cooling casing of on-vehicle machine that charges mainly need the condition of flip-chip in the casing to top layer Printed Circuit Board (PCB) (as shown in fig. 5), and paster type spare is the high consumption on the PCB, needs special water-cooling structure heat dissipation, adopts the utility model provides a cooling water course can effectively cool off paster type spare on the PCB, and the radiating effect is good.

The utility model also provides a vehicle-mounted charger, it includes foretell vehicle-mounted charger's water-cooling casing, owing to be equipped with first basin 14, its heat dispersion is good, and is small.

The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention. Moreover, it should be noted that the components of the present invention are not limited to the above-mentioned integral application, and various technical features described in the present invention can be selected to be used alone or in combination according to actual needs, so that the present invention naturally covers other combinations and specific applications related to the invention of the present invention.

Claims

1. The utility model provides a water-cooling casing of on-vehicle machine that charges which characterized in that, water-cooling casing of on-vehicle machine that charges includes:

the electronic component mounting device comprises a machine shell main body and a mounting base plate, wherein the machine shell main body is provided with a bottom plate, the machine shell main body is provided with a water inlet, a water outlet and a first water tank formed by sinking from the outer surface of the bottom plate to the inner part of the machine shell main body, the first water tank protrudes out of the inner surface of the bottom plate to form a mounting boss, the side surface of the mounting boss is a first mounting surface for mounting an electronic component, and the top surface of the mounting boss is a second mounting surface for mounting the electronic component;

the bottom shell is arranged on the outer surface of the bottom plate and seals the notch of the first water tank, a water cooling channel is defined by the bottom shell and the first water tank, and the water inlet, the water cooling channel and the water outlet are communicated in sequence.

2. The water-cooling casing of the vehicle-mounted charger according to claim 1, wherein the first water tank is U-shaped, the mounting boss includes a first boss, a second boss and a third boss which are connected in sequence, two ends of the second boss are respectively connected with the first boss and the third boss, a side surface of the first boss, a side surface of the second boss and a side surface of the third boss form the first mounting surface, and a top surface of the first boss, a top surface of the second boss and a top surface of the third boss form the second mounting surface.

3. The water-cooling casing of the vehicle-mounted charger according to claim 2, wherein the first boss, the second boss and the third boss are rectangular, four side surfaces of the first boss, two side surfaces of the second boss and four side surfaces of the third boss form the first mounting surface, and a top surface of the first boss, a top surface of the second boss and a top surface of the third boss form the second mounting surface.

4. The water-cooled casing of the vehicle-mounted charger according to claim 1, wherein the depth of the first water tank is 20mm to 30 mm.

5. The water-cooled casing of the vehicle-mounted charger according to claim 1, wherein the first water tank is arranged in the middle of the outer surface of the bottom plate, and the mounting boss is arranged in the middle of the inner surface of the bottom plate.

6. The water-cooling casing of the vehicle-mounted charger according to any one of claims 1 to 5, wherein the bottom casing comprises a patch and a convex portion, the convex portion is arranged on a top surface of the patch, the top surface of the patch is attached to an outer surface of the bottom plate, the shape of the convex portion is matched with that of the first water tank, the convex portion extends into the first water tank from a notch of the first water tank, and the convex portion and the first water tank define the water-cooling channel.

7. The water-cooled casing of the vehicle-mounted charger according to any one of claims 1 to 5, wherein the water inlet and the water outlet are both provided on a side plate of the casing main body, one end of the first water tank is connected to the water inlet through a second water tank, the other end of the first water tank is connected to the water outlet through a third water tank, the second water tank and the third water tank are respectively formed by sinking from an outer surface of the bottom plate toward the inside of the casing main body, and the depth of the second water tank and the depth of the third water tank are smaller than the depth of the first water tank.

8. The water-cooled casing of the vehicle-mounted charger according to claim 7, wherein the second water tank is a U-shaped groove.

9. The water-cooled casing of the vehicle-mounted charger according to claim 7, wherein the groove depth of the second water tank is 2mm to 10mm, and the groove depth of the third water tank is 2mm to 10 mm.

10. A vehicle-mounted charger, characterized in that the vehicle-mounted charger comprises the water-cooled casing of the vehicle-mounted charger according to any one of claims 1 to 9.