CN218102684U

CN218102684U - Charger and electric carrier

Info

Publication number: CN218102684U
Application number: CN202222391628.1U
Authority: CN
Inventors: 万斌; 陈锋; 杜来好; 魏向东
Original assignee: Suzhou Blue Stone Tech Co ltd
Current assignee: Suzhou Blue Stone Tech Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-12-20
Anticipated expiration: 2032-09-05

Abstract

An embodiment of the utility model provides a charger and electric carrier relates to the power transmission field. This charger includes: the fan comprises a shell, a main board and a fan; mainboard and fan are connected in the inside of casing, the inside of casing is provided with baffle and two piece at least heat dissipation ribs that are connected, baffle and mainboard contact, the heat accessible baffle conduction that the mainboard produced to the heat dissipation rib, be formed with the wind channel between the heat dissipation rib, the wind channel is used for the air current of conduction fan-out, play the effect that the direction was collected to the air current through the wind channel, thereby dispel the heat to the heat dissipation rib, avoid the charger to take place overheated and lead to charge efficiency to reduce or even stop charging.

Description

Charger and electric carrier

Technical Field

The utility model relates to a power transmission field particularly, relates to a charger and electric carrier.

Background

A plurality of high-power chargers are required to be used for electric automobiles, electric motorcycles, electric forklifts and the like.

The high-power charger can release a large amount of heat in the charging process, and when the heat is accumulated and can not be dissipated in time, the charger can generate overheat protection, the charging power is reduced, and even the charging is stopped.

SUMMERY OF THE UTILITY MODEL

The utility model provides a charger and electric carrier, it can solve the inconvenient timely radiating problem of heat gathering in the charging process, avoids appearing overheat protection and charging power reduction or even stops the problem of charging.

The embodiment of the utility model discloses a can realize like this:

an embodiment of the utility model provides a charger, it includes:

the device comprises a shell, a main board and a fan;

the main board and the fan are connected to the inside of the shell;

the inside of casing is provided with baffle and two piece at least heat dissipation ribs that are connected, and the baffle contacts with the mainboard, is formed with the wind channel between the heat dissipation rib, and the wind channel is used for the air current of conduction fan-out.

Optionally, the housing includes an upper shell and a lower shell connected to each other, the upper shell and the lower shell have the same shape, and the upper shell and the lower shell are connected to the main board, the fan, and the cover, respectively.

Optionally, the upper casing and the lower casing are both provided with a partition plate, and the partition plates are located on two sides of the air duct.

Optionally, one side that the heat dissipation rib was kept away from to the baffle is formed with the holding chamber, and the mainboard is located the holding intracavity to the inside encapsulating in holding chamber.

Optionally, the main board is provided with a field effect transistor, which is in contact with the partition.

Optionally, the heat dissipating ribs are parallel to each other.

Optionally, the charger further comprises a cover body, the cover body comprises a top cover and a bottom cover, the top cover and the bottom cover are both connected with the shell, the top cover is provided with a wire hole, and the wire harness penetrates through the wire hole.

Optionally, the top cover comprises a top pad, a top end cover and a top decorative cover, the top pad, the top end cover and the top decorative cover are all connected with the housing and sequentially arranged along a direction away from the main board, and the top pad, the top end cover and the top decorative cover are all provided with line holes; the bottom cover includes heelpiece, bottom end lid and end dress trim cover, and heelpiece, bottom end lid and end dress trim cover all are connected with the casing and set gradually along the direction of keeping away from the mainboard.

Optionally, the charger further comprises a wire harness, wherein the wire harness comprises an input wire and an output wire, and the input wire and the output wire are connected with the mainboard and penetrate through the wire holes.

An electric vehicle comprises the charger.

The utility model discloses charger's beneficial effect includes, for example:

this charger includes: the fan comprises a shell, a main board and a fan; mainboard and fan are connected in the inside of casing, the inside of casing is provided with baffle and two piece at least heat dissipation ribs that are connected, baffle and mainboard contact, heat accessible baffle conduction to heat dissipation rib that the mainboard produced, be formed with the wind channel between the heat dissipation rib, the wind channel is used for the air current of conduction fan-out, play the effect that the direction was collected to the air current through the wind channel, thereby dispel the heat to the heat dissipation rib, avoid the charger to take place overheated and lead to charging efficiency to reduce or even stop charging.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is an exploded schematic view of a charger provided in an embodiment of the present invention;

fig. 2 is a schematic diagram of an external structure of a charger provided in an embodiment of the present invention;

fig. 3 is a schematic cross-sectional structure diagram of a charger provided in an embodiment of the present invention.

Icon: 100-a charger; 110-a housing; 111-upper shell; 112-a lower shell; 113-a separator; 114-heat dissipating ribs; 115-a housing chamber; 119-an air duct; 120-a main board; 121-field effect transistor; 130-a fan; 140-a cover; 141-a top cover; 1411-top pad; 1412-top end cap; 1413-top decorative cover; 142-a bottom cover; 1421-base pad; 1422-bottom end cap; 1423-bottom trim cover; 143-line hole; 150-a wire harness; 151-input lines; 152-output line.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are only used to distinguish one description from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

The high-power portable charger is mainly used in the industries of light electric automobiles, electric motorcycles, electric forklifts and the like and comprises components such as a charger shell, a PCBA (printed circuit board assembly), a fan, a wire harness and the like. Through encapsulating between shell and end cover and seal to ensure the waterproof dustproof design of charger.

Because the charger releases a large amount of heats in charging process, when the heat that releases can not form the steady state with the heat that looses, the charger can appear the overheat protection state, reduces charging power, stops charging even, consequently need monitor, management and control and supplementary heat dissipation through software, hardware and three aspect of structure and avoid the charger overheated, avoid influencing charge efficiency.

The embodiment of the utility model provides a charger can solve this problem.

Referring to fig. 1-3, a charger 100 is provided in the present embodiment, which will be described in detail below.

Referring to fig. 1, the charger 100 includes: housing 110, motherboard 120, fan 130, cover 140, and wiring harness 150. The main board 120 and the fan 130 are connected to the inside of the housing 110, the cover 140 is connected to the end of the housing 110, and the wiring harness 150 penetrates through the cover 140 and is connected to the main board 120; the inner wall of the housing 110 is provided with a partition 113 and at least two heat dissipation ribs 114, which are connected, the partition 113 is in contact with the main board 120, an air duct 119 is formed between the heat dissipation ribs 114, and the air duct 119 is used for conducting airflow fanned out by the fan 130.

The case 110 includes an upper case 111 and a lower case 112 coupled, the upper case 111 and the lower case 112 have the same shape, and the upper case 111 and the lower case 112 are coupled to the main board 120, the fan 130, and the cover 140, respectively, so that the upper case 111 and the lower case 112 can be opened together, thereby reducing the mold development cost.

The partition plates 113 are disposed on both the upper casing 111 and the lower casing 112, and the partition plates 113 are disposed on both sides of the air duct 119, so that the air flow fanned out by the fan 130 can be collected conveniently.

The utility model discloses a baffle 113 is spacing to the both sides in wind channel 119, makes things convenient for the air current gathering, avoids the air current to scatter and disappear at the in-process that flows at the excessive speed.

The upper case 111 and the lower case 112 are each L-shaped, and include a wide surface (not shown) and a narrow surface (not shown), wherein the partition 113 is connected to the wide surface, and the partition 113 extends in a direction perpendicular to the wide surface.

The utility model discloses well baffle 113 and the contact of inferior valve 112 of epitheca 111, baffle 113 and the contact of epitheca 111 of inferior valve 112 help increasing casing 110's bulk rigidity, and the reinforcing is avoided receiving external force extrusion casing 110 to take place cracked easily to the protection of inside device.

And the upper casing 111 and the lower casing 112 are made of aluminum, which is beneficial to heat conduction inside the charger 100, thereby ensuring the heat dissipation effect.

The cover body 140 includes a top cover 141 and a bottom cover 142, both the top cover 141 and the bottom cover 142 are connected to the housing 110, the top cover 141 is provided with a wire hole 143, and the wire harness 150 penetrates through the wire hole 143.

The top cover 141 includes a top pad 1411, a top end cover 1412 and a top decoration cover 1413, the top pad 1411, the top end cover 1412 and the top decoration cover 1413 are all connected with the housing 110 and sequentially arranged in a direction away from the main board 120, and the top pad 1411, the top end cover 1412 and the top decoration cover 1413 are all provided with wire holes 143. The number of the line holes 143 on the same member is two, and the two line holes 143 are U-shaped, respectively arranged at both sides.

The bottom cover 142 includes a bottom pad 1421, a bottom end cover 1422, and a bottom decorative cover 1423, and the bottom pad 1421, the bottom end cover 1422, and the bottom decorative cover 1423 are all connected to the housing 110 and sequentially arranged in a direction away from the main board 120.

The top cover 141 and the bottom cover 142 of the present invention respectively include a multi-layer structure, which is advantageous for increasing the connection strength between the cover body 140 and the housing 110. And the top pad 1411 and the bottom pad 1421 are arranged to be in contact with the potting adhesive in the accommodating cavity 115 to ensure a waterproof effect, and the top pad 1411 and the bottom pad 1421 are also preferably made of rubber.

The wire harness 150 includes an input line 151 and an output line 152, both the input line 151 and the output line 152 being connected to the main board 120 and penetrating the wire hole 143, the input line 151 being for power input, and the output line 152 being for power output.

The input line 151 is typically an AC line for connection to a 220V power supply. The output line 152 is typically a DC line that can be converted by voltage reduction, rectification, filtering and voltage regulation components on the motherboard 120 for supplying power to the battery module.

Referring to fig. 2, the exterior of the charger 100 is closed by the case 110 and the cover 140, and the wire harness 150 penetrates the cover 140 to reach the interior of the case 110 for electric power conduction.

Referring to fig. 3, a receiving cavity 115 is formed on one side of the partition 113 away from the heat dissipation ribs 114, the main board 120 is located in the receiving cavity 115, and glue is filled inside the receiving cavity 115. The number of the accommodating cavities 115 is two, and the two accommodating cavities are respectively located on one side of the two partition boards 113 away from each other and are used for accommodating the two main boards 120. And waterproof treatment is carried out through glue pouring, the I PX5 waterproof requirement is met, and outdoor charging in rainy days is not affected.

The field effect transistor 121 is arranged on the main board 120, the field effect transistor 121 is in contact with the partition plate 113, and the main board 120 can be positioned to a certain extent through the contact between the partition plate 113 and the field effect transistor 121.

The heat dissipation ribs 114 are parallel to each other, the number of the heat dissipation ribs 114 on the upper shell 111 and the lower shell 112 is six, and gaps exist between the end parts of the heat dissipation ribs 114 in the upper shell 111 and the end parts of the heat dissipation ribs 114 in the lower shell 112, so that air flow in the air duct 119 is facilitated.

In other embodiments of the present invention, the number of the partition boards 113 may also be two, three, four, five, seven, eight, etc.

In addition, the present embodiment further provides an electric vehicle, which may be an electric vehicle, an electric motorcycle, an electric forklift, or the like, including the charger 100.

According to the charger 100 provided in the present embodiment, the working principle of the charger 100 is as follows:

the charger 100 includes: a housing 110, a motherboard 120, and a fan 130; the main board 120 and the fan 130 are connected to the inside of the housing 110, the inside of the housing 110 is provided with a partition 113 and at least two heat dissipation ribs 114, the partition 113 is in contact with the main board 120, heat generated by the main board 120 can be conducted to the heat dissipation ribs 114 through the partition 113, air ducts 119 are formed between the heat dissipation ribs 114, the air ducts 119 are used for conducting airflow fanned out by the fan 130, and the airflow is guided and collected through the air ducts 119, so that the heat dissipation ribs 114 are cooled, and the phenomenon that the charger 100 is overheated to cause the reduction of charging efficiency or even stop charging is avoided.

The charger 100 and the electric vehicle provided by the embodiment have at least the following advantages: (1) The problem that heat is accumulated and is inconvenient to dissipate in time in the charging process is solved, and the problems of overheat protection, charging power reduction and even charging stopping are avoided; (2) The upper shell 111 and the lower shell 112 have the same shape, so that the common die is convenient, and the die development cost is reduced; (3) glue is filled in the accommodating cavity 115 to meet the waterproof requirement; (4) The top cover 141 and the bottom cover 142 respectively include a multi-layered structure, which is advantageous to increase the coupling strength of the cover body 140 and the case 110.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A charger, comprising:

a housing (110), a main board (120), and a fan (130);

wherein the main board (120) and the fan (130) are connected to the inside of the housing (110);

the fan comprises a shell (110), and is characterized in that a partition plate (113) and at least two heat dissipation ribs (114) are arranged inside the shell (110), the partition plate (113) is in contact with a main board (120), air channels (119) are formed between the heat dissipation ribs (114), and the air channels (119) are used for conducting airflow fanned out by a fan (130).

2. The charger according to claim 1, wherein the housing (110) comprises an upper case (111) and a lower case (112) connected, the upper case (111) and the lower case (112) have the same shape, and the upper case (111) and the lower case (112) are connected to the main board (120) and the fan (130), respectively.

3. The charger according to claim 2, wherein the partition (113) is provided to each of the upper case (111) and the lower case (112), and the partition (113) is located on both sides of the air duct (119).

4. The charger according to claim 3, wherein a receiving cavity (115) is formed on a side of the partition (113) away from the heat dissipation rib (114), the main board (120) is located in the receiving cavity (115), and the receiving cavity (115) is filled with glue.

5. Charger according to claim 3, characterized in that the main board (120) is provided with field effect transistors (121), the field effect transistors (121) being in contact with the partition (113).

6. The electrical charger according to claim 3, wherein the heat dissipating ribs (114) are parallel to each other.

7. The charger according to claim 1, further comprising a cover (140), wherein the cover (140) comprises a top cover (141) and a bottom cover (142), wherein the top cover (141) and the bottom cover (142) are both connected to the housing (110), and wherein the top cover (141) is provided with a wire hole (143).

8. The charger according to claim 7, wherein the top cover (141) comprises a top pad (1411), a top end cover (1412) and a top decorative cover (1413), the top pad (1411), the top end cover (1412) and the top decorative cover (1413) are all connected with the housing (110) and are sequentially arranged in a direction away from the main board (120), and the top pad (1411), the top end cover (1412) and the top decorative cover (1413) are all provided with the wire hole (143) charger; the bottom cover (142) comprises a bottom pad (1421), a bottom end cover (1422) and a bottom decorative cover (1423), wherein the bottom pad (1421), the bottom end cover (1422) and the bottom decorative cover (1423) are all connected with the shell (110) and are sequentially arranged along the direction far away from the main board (120).

9. The charger according to claim 7, further comprising a wiring harness (150), wherein the wiring harness (150) comprises an input line (151) and an output line (152), and wherein the input line (151) and the output line (152) are both connected to the motherboard (120) and extend through the line hole (143).

10. An electric vehicle comprising the charger according to any one of claims 1 to 9.