CN213990236U

CN213990236U - Charging device, charging assembly and charging system

Info

Publication number: CN213990236U
Application number: CN202023156550.2U
Authority: CN
Inventors: 谢许炎; 霍晓辉; 严安; 黄磊
Original assignee: Globe Jiangsu Co Ltd
Current assignee: Globe Jiangsu Co Ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-08-17
Anticipated expiration: 2030-12-24

Abstract

The utility model provides a charging device, charging assembly and charging system, charging device includes: the water collecting device comprises a shell, a water collecting tank and a water discharging channel, wherein the shell is provided with the water collecting tank and the water discharging channel; the drainage channel is communicated with the water collecting tank so as to drain water in the water collecting tank out of the shell; and a terminal assembly mounted on the housing; the water collection slots are located on one or more sides of the terminal assemblies for collecting water in the vicinity of the terminal assemblies. Compared with the prior art, the utility model discloses charging device is owing to be provided with the water catch bowl that is located terminal subassembly one side or multiple sides and the drainage channel who is linked together with the water catch bowl to can collect the water that gets into charging device's butt joint intracavity fast, and outside the discharge casing with it, thereby effectively prevent water and terminal subassembly contact, avoid producing the incident.

Description

Charging device, charging assembly and charging system

Technical Field

The utility model relates to a charging device, have this charging device's charging assembly and have this charging device's charging system.

Background

When the shell of the battery pack has water drops or when the charger works in a wet environment, the water drops on the shell of the battery pack and water condensed on the shell of the battery pack or on a socket in the wet environment are gathered in a cavity of the charger and are contacted with an output terminal of the charger, so that short circuit is caused, and safety accidents are caused.

In view of the above problems, there is a need to provide a new charging device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a charging device, this charging device is owing to be provided with the water collecting tank that is located terminal subassembly one side or multiple sides and the drainage channel who is linked together with the water collecting tank to can collect the water that gets into charging device's butt joint intracavity fast, and outside the casing of discharging it, thereby effectively prevent water and terminal subassembly contact, avoid producing the incident.

In order to achieve the above object, the present invention provides a charging device, including: the water collecting device comprises a shell, a water collecting tank and a water discharging channel, wherein the shell is provided with the water collecting tank and the water discharging channel; the drainage channel is communicated with the water collecting tank so as to drain water in the water collecting tank out of the shell; and a terminal assembly mounted on the housing; the water collection slots are located on one or more sides of the terminal assemblies for collecting water in the vicinity of the terminal assemblies.

As a further improvement of the present invention, the water collection groove surrounds or semi-surrounds the terminal assembly.

As a further improvement of the present invention, the terminal assembly includes a plurality of conductive terminals; the water collection trough is positioned between adjacent conductive terminals to separate the adjacent conductive terminals.

As a further improvement of the present invention, the water collecting tank is self-away from the one end of the drainage channel is inclined toward the one end close to the drainage channel, so that the water flow can be converged by the drainage channel under the action of gravity.

As a further improvement of the utility model, the included angle between the bottom wall of the water collecting tank and the horizontal plane is between 5 degrees and 60 degrees.

As a further improvement of the present invention, the housing includes a bottom wall, a top wall disposed opposite to the bottom wall and opposite to the device to be charged, and a side wall located between the bottom wall and the top wall; the water collecting tank is arranged on the top wall; one end of the drainage channel is communicated with the water collecting tank, and the other end of the drainage channel penetrates through the side wall to be communicated with the outside.

As a further improvement of the utility model, the included angle between the drainage channel and the horizontal plane is not less than 5 degrees.

As a further improvement of the present invention, the housing includes a bottom wall, a top wall disposed opposite to the bottom wall and opposite to the device to be charged, and a side wall located between the bottom wall and the top wall; the water collecting tank is arranged on the top wall; one end of the drainage channel is communicated with the water collecting tank, and the other end of the drainage channel penetrates through the bottom wall to be communicated with the outside.

As a further improvement of the present invention, the charging device further includes a base for holding the terminal assembly; the base platform is higher than the water collecting tank and inclines towards the water collecting tank, so that water on the base platform can be gathered towards the water collecting tank under the action of gravity.

As a further improvement of the utility model, the included angle between the base station and the horizontal plane is not less than 5 degrees.

As a further improvement of the present invention, the charging device further comprises a base station for holding the terminal assembly, the base station with the housing integrated into one piece, the terminal assembly with the base station is integrated by injection molding.

As a further improvement of the present invention, the charging device further includes a base for holding the terminal assembly and a sealing member; the terminal assembly and the base platform are integrated through injection molding, the base platform is detachably mounted on the shell, and the sealing element is located between the base platform and the shell.

As a further improvement of the utility model, the water catch bowl set up in on the base station.

As a further improvement of the present invention, the terminal assembly includes a plurality of conductive terminals and a separation rib located between adjacent conductive terminals.

As a further improvement of the present invention, the terminal assembly includes a plurality of conductive terminals, and the conductive terminals are provided with organic polymer nano-films.

The utility model also discloses a charging assembly, including two at least aforementioned charging device, adjacent aforementioned charging device's casing is fixed together.

The utility model also discloses a charging system, including battery pack and aforementioned charging device.

The utility model has the advantages that: the utility model discloses charging device is owing to be provided with the water catch bowl that is located terminal subassembly one side or multiple sides and the drainage channel who is linked together with the water catch bowl to can collect the water that gets into charging device's butt joint intracavity fast, and outside the casing of discharging it, thereby effectively prevent water and terminal subassembly contact, avoid producing the incident.

Drawings

Fig. 1 is a schematic perspective view of the charging device of the present invention.

Fig. 2 is a sectional view of the charging device shown in fig. 1.

Fig. 3 is a cross-sectional view of the charging device shown in fig. 1 along direction AA.

Fig. 4 is a partially enlarged view of fig. 3.

Fig. 5A is a schematic perspective view of another embodiment of the housing.

Fig. 5B is an exploded view of the housing shown in fig. 5A.

Fig. 6 is a schematic perspective view of a charging device according to a second embodiment of the present invention.

Fig. 7 is an exploded view of the housing, terminal assembly, base, and seal.

Fig. 8 is a perspective view showing the terminal assembly and the base.

Fig. 9 is a partially enlarged view of the terminal assembly and the base at another angle.

Fig. 10 is a schematic perspective view of the charging assembly of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 and 2, the present invention discloses a charging device 100, which includes a housing 10, a terminal assembly 20 mounted on the housing 10, and a charging assembly 30 accommodated in the housing 10. The charging assembly 30 includes a charging circuit, a control circuit board, and the like, for transmitting the acquired external power to the device to be charged. The device to be charged is typically a battery pack.

Referring to fig. 1 and 2, the housing 10 includes a bottom wall 11, a top wall 12 opposite to the bottom wall 11 and opposite to the device to be charged, and a side wall 13 between the bottom wall 11 and the top wall 12. The bottom wall 11, the top wall 12 and the side wall 13 jointly enclose a containing cavity 14 to contain the charging assembly 30. The bottom wall 11 is provided with a plurality of vent holes 111, and the side wall 13 is provided with a plurality of vent holes 131. When the charging device 100 is in operation, heat generated by the charging assembly 30 is dissipated out of the accommodating cavity 14 through the

vent holes

111 and 131. Preferably, the cross-sections of the

vent holes

111 and 131 are rectangular and long. Preferably, the

vent holes

111 and 131 are communicated with each other at the intersection of the bottom wall 11 and the side wall 13, so as to form a large vent hole with an L-shaped cross section. The top wall 12 is provided with a docking cavity 121 matched with the device to be charged, a water collection tank 122 and a drainage channel 123 communicated with the water collection tank 122. The docking cavity 121 is used to receive and fix the device to be charged, so as to prevent the device to be charged from shaking, and also prevent the terminal assembly 20 from being damaged due to the user inserting the device to be charged obliquely. The docking chamber 121 includes a chamber bottom wall 1211 opposite to the device to be charged and a chamber side wall 1212 perpendicular to the chamber bottom wall 1211. The terminal assembly 20 is fixedly mounted on the cavity bottom wall 1211. The water collection slots 122 are disposed on the cavity bottom wall 1211 and on one or more sides of the terminal assembly 20 for collecting water near the terminal assembly 20. In the present embodiment, the water collection groove 122 surrounds the terminal assembly 20, but in other embodiments, the water collection groove 122 may be configured to surround or semi-surround the terminal assembly 20.

Referring to fig. 3 and 4, preferably, the water collecting tank 122 is inclined from an end far away from the drainage channel 123 to an end close to the drainage channel 123, so that water can be collected toward the drainage channel 123 under the action of gravity. The angle α between the bottom wall 1221 of the water collection trough 122 and the horizontal plane is between 5 and 60 degrees. Preferably, the angle α is between 5 and 10 degrees. Referring to fig. 2, the drainage channel 123 is communicated with the water collection tank 122 for draining the water in the water collection tank 122 out of the housing 10. One end of the drain passage 123 communicates with the sump 122, and the other end thereof passes through the side wall 13 to communicate with the outside. Preferably, the included angle between the drainage channel 123 and the horizontal plane is not less than 5 degrees. The arrangement is such that the water flow converged to the inlet of the drain channel 123 can flow along the drain channel 123 to the outside of the housing 10 by gravity.

Although the top wall 12 is provided with the docking cavity 121 in the present embodiment, it is understood that the top wall 12 may not be provided with the docking cavity 121 in other embodiments, and the water collection tank 122 is directly provided on the top wall 12. Although the drain channel 123 is disposed through the side wall 13 in the present embodiment, it is understood that the drain channel 123 may be disposed through the bottom wall 11 in other embodiments. For example, referring to fig. 5A and 5B, the drainage channel 123 is formed by being recessed inward from the bottom wall 1221 of the water collection tank 122, and passes through the bottom wall 11 to drain the water in the water collection tank 122 out of the housing 10. Preferably, the drainage channel 123 is perpendicular to the bottom wall 11. Because be provided with on the diapire 11 the ventilation hole 111, therefore, in practical application, drainage channel 123 only need pass charging assembly 30, just right ventilation hole 111 can, thereby make drainage channel 123 exhaust water certainly ventilation hole 111 discharges outside casing 10.

Referring to fig. 1 and fig. 2, the terminal assembly 20 includes a plurality of conductive terminals 21 and separating ribs 22 located between adjacent conductive terminals 21. The conductive terminals 21 and the bottom wall 11 are molded into a whole, and organic polymer nano-films are arranged on the conductive terminals 21 to protect the conductive terminals. The conductive terminal 21 is connected to the charging assembly 30, so that the external power obtained by the charging assembly 30 is transmitted to the device to be charged through the conductive terminal 21. The separating ribs 22 are located between the adjacent conductive terminals 21 to separate the adjacent conductive terminals 21, in particular to prevent water located on the conductive terminals 21 from forming a water film between the adjacent conductive terminals 21, thereby causing a short circuit. Preferably, the separating rib 22 is made of insulating plastic and is injection molded with the bottom wall 11.

Compared with the prior art, the utility model discloses charging device 100 is owing to be provided with and is located the water catch bowl 122 of terminal subassembly 20 one side or multiple-side and with the drainage channel that water catch bowl 122 is linked together, thereby makes charging device 100 can collect fast and get into the water that docks chamber 121 and discharge it outside casing 10, thereby effectively prevent water with terminal subassembly 20 contacts, and then avoids producing the incident. Meanwhile, since the water collecting grooves 122 are located at one or more sides of the terminal assembly 20, water condensed on the terminal assembly 20 in the air can be collected and discharged out of the housing 10, thereby preventing the water from entering the inside of the charging device 100. In addition, since the separating ribs 22 are arranged between the adjacent conductive terminals 21, the condensed water on the conductive terminals 21 can be effectively prevented from forming a water film between the adjacent conductive terminals 21, and thus the safety performance of the charging device 100 is improved.

Fig. 6 shows a charging device 200 according to another embodiment of the present invention. The structure of the charging device 200 is substantially the same as that of the charging device 100. Referring to fig. 7, 8 and 9, the charging device 200 includes a housing 40, the terminal assembly 20, a base 50 for holding the terminal assembly 20, a sealing member 60 engaged with the base 50, and the charging assembly 30. The housing 40 includes a bottom wall 41, a top wall 42 disposed opposite the bottom wall 41, and a side wall 43 between the bottom wall 41 and the top wall 42. The bottom wall 41, the top wall 42 and the side wall 43 together enclose a receiving cavity 44 to receive the charging assembly 30 and the base 50. The top wall 42 is provided with a docking cavity 421 matched with the device to be charged, and a cavity bottom wall 4211 of the docking cavity 421 is provided with an installation groove 4212, a main water collecting tank 4213 positioned at one side or more than one side of the installation groove 4212, and a drainage channel 4214 communicated with the main water collecting tank 4213. The mounting groove 4212 penetrates through the cavity bottom wall 4211 and is communicated with the accommodating cavity 44. In the present embodiment, the main sump 4213 surrounds the mounting groove 4212, but it is understood that in other embodiments, the main sump 4213 may be configured to surround or semi-surround the mounting groove 4212. The drain passage 4214 communicates with the main sump 4213 to drain water in the main sump 4213 out of the housing 40. Preferably, the main sump 4213 is inclined from a side far from the drain passage 4214 to a side close to the drain passage 4214, so that water may be converged toward the drain passage 4214 by gravity, thereby facilitating drainage. The terminal assembly 20 may be detachably fixed to the base 50, or may be integrally injection-molded with the base 50. The base 50 is fixedly mounted on the mounting groove 4212 by screws so that the terminal assembly 20 can pass through the mounting groove 4212 and be at least partially located in the docking cavity 421. The base 50 is higher than the main sump 4213 so that the water collected in the main sump 4213 is separated from the terminal assembly 20. Preferably, the base platform 50 is higher than the main water collection tank 4213 and is inclined toward the main water collection tank 4213, so that water on the base platform 50 can be converged toward the main water collection tank 4213 by gravity. Preferably, the included angle between the table top wall 51 of the base table 50 and the horizontal plane is not less than 5 degrees. The base 50 is further provided with an auxiliary water collecting groove 52 communicated with the main water collecting groove 4213. The sub water collecting grooves 52 are located between adjacent conductive terminals 21 to quickly collect condensed water on the conductive terminals 21. In this embodiment, the sub sump 52 surrounds the conductive terminal 21 and is provided with an outlet 521 communicating with the main sump 4213. However, it is understood that in other embodiments, the sub-sump 52 may be configured to surround or semi-surround the conductive terminals 21. Further, although the housing 40 is provided with the primary sump 4213 in the present embodiment, the housing 40 may not be provided with the primary sump 4213 in other embodiments, in which case the drain passage 4214 directly communicates with the secondary sump 52. The sealing member 60 is located between the base 50 and the mounting groove 4212 to enhance sealability between the terminal assembly 20 and the housing 40, and prevent water from entering the inside of the charging device 200 along a gap between the base 50 and the mounting groove 4212.

Referring to fig. 10, the present invention further discloses a charging assembly 300, which includes at least two charging devices 301, wherein the housings of the adjacent charging devices 301 are fixed together. The charging device 301 is the charging device 100 or the charging device 200. In this embodiment, the number of the charging devices 301 is two, and they are arranged back to back. However, in other embodiments, the number of the charging device 301 may be plural, and the housing of the charging device 301 forms a regular polygon.

The utility model also discloses a charging system, including battery pack and charging device 100 or charging device 200 or charging assembly 300.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A charging device, comprising:

the water collecting device comprises a shell, a water collecting tank and a water discharging channel, wherein the shell is provided with the water collecting tank and the water discharging channel; the drainage channel is communicated with the water collecting tank so as to drain water in the water collecting tank out of the shell; and

a terminal assembly mounted on the housing; the water collection slots are located on one or more sides of the terminal assemblies for collecting water in the vicinity of the terminal assemblies.

2. A charging arrangement as claimed in claim 1, in which: the sump surrounds or semi-surrounds the terminal assembly.

3. A charging arrangement as claimed in claim 1, in which: the terminal assembly comprises a plurality of conductive terminals; the water collection trough is positioned between adjacent conductive terminals to separate the adjacent conductive terminals.

4. A charging arrangement as claimed in claim 1, in which: the water collecting groove is inclined from one end far away from the drainage channel to one end close to the drainage channel, so that water flow can be converged towards the drainage channel under the action of gravity.

5. The charging device of claim 4, wherein: the contained angle between the diapire of water catch bowl and the horizontal plane is located between 5 degrees to 60 degrees.

6. A charging arrangement as claimed in claim 1, in which: the shell comprises a bottom wall, a top wall and a side wall, wherein the top wall is arranged opposite to the bottom wall and opposite to the device to be charged; the water collecting tank is arranged on the top wall; one end of the drainage channel is communicated with the water collecting tank, and the other end of the drainage channel penetrates through the side wall to be communicated with the outside.

7. The charging device of claim 6, wherein: and the included angle between the drainage channel and the horizontal plane is not less than 5 degrees.

8. A charging arrangement as claimed in claim 1, in which: the shell comprises a bottom wall, a top wall and a side wall, wherein the top wall is arranged opposite to the bottom wall and opposite to the device to be charged; the water collecting tank is arranged on the top wall; one end of the drainage channel is communicated with the water collecting tank, and the other end of the drainage channel penetrates through the bottom wall to be communicated with the outside.

9. A charging arrangement as claimed in claim 1, in which: the charging device further comprises a base station for holding the terminal assembly; the base platform is higher than the water collecting tank and inclines towards the water collecting tank, so that water on the base platform can be gathered towards the water collecting tank under the action of gravity.

10. A charging arrangement as claimed in claim 9, in which: and the included angle between the base station and the horizontal plane is not less than 5 degrees.

11. A charging arrangement as claimed in claim 1, in which: the charging device further comprises a base station used for fixing the terminal assembly, the base station and the shell are integrally formed, and the terminal assembly and the base station are integrally formed through injection molding.

12. A charging arrangement as claimed in claim 1, in which: the charging device further includes a base to hold the terminal assembly and a sealing member; the terminal assembly and the base platform are integrated through injection molding, the base platform is detachably mounted on the shell, and the sealing element is located between the base platform and the shell.

13. A charging arrangement as claimed in claim 12, in which: the water collecting tank is arranged on the base platform.

14. A charging arrangement as claimed in claim 1, in which: the terminal assembly comprises a plurality of conductive terminals and separating ribs positioned between the adjacent conductive terminals.

15. A charging arrangement as claimed in claim 1, in which: the terminal assembly comprises a plurality of conductive terminals, and organic polymer nano-films are arranged on the conductive terminals.

16. A charging assembly comprising at least two charging devices as claimed in any one of claims 1 to 15, the housings of adjacent charging devices being secured together.

17. A charging system comprising a battery pack and a charging device as claimed in any one of claims 1 to 15.