CN210092912U

CN210092912U - Charging device

Info

Publication number: CN210092912U
Application number: CN201920989537.3U
Authority: CN
Inventors: 朱超; 李泽栋; 胡莲; 李兰
Original assignee: Shenzhen Mindray Bio Medical Electronics Co Ltd
Current assignee: Shenzhen Mindray Bio Medical Electronics Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-02-18
Anticipated expiration: 2029-06-27

Abstract

The utility model provides a charging device, which comprises a charging shell (1), wherein a battery installation position for installing a battery (2) is arranged on the charging shell (1); the outer surface of the charging shell (1) can have a gap (3) with the main radiating surface of the battery (2) installed on the battery installation position. The utility model provides a charging device for because the existence in clearance for during the air admission clearance, separation charging shell's surface and the main cooling surface of battery. Through the flow of air in the clearance, also can take place heat exchange with the surface of charging case and the main radiating surface of battery, effectively improved the radiating effect of charging case and battery. Through the heat dissipation, the temperature of the battery and the charging circuit inside the charging device is effectively reduced, the service life of the battery and the charging circuit inside the charging device is ensured, and the potential safety hazard in the charging process is reduced.

Description

Charging device

Technical Field

The utility model relates to a battery charging outfit technical field, in particular to charging device.

Background

With the improvement of the requirements of use function, performance and the like, the mobile monitoring module has higher and higher requirements on the electric quantity of the lithium battery. In addition, there is an increasing demand for a charging device having a large charging current and a high charging speed. The heat generated during charging of the battery is increased by the charging device with large charging current and fast charging. The charging device is internally provided with a charging circuit such as AC-DC or DC-DC, so that the charging device itself generates heat, and the heat is transferred to the outer surface of the charging case by means of heat transfer, resulting in an increase in the temperature of the charging case.

In the charging device of the present invention, the battery is mounted on the battery mounting position of the charging housing. The outer surface with larger area on the battery is the main heat dissipation surface. In consideration of battery stability, space limitation, and the like, it is necessary to bring the main heat dissipation surface of the battery into direct contact with the outer surface of the charging case. Taking a conventional cuboid as an example, two surfaces which are large in area and symmetrically arranged exist on the cuboid, and the two surfaces are main heat dissipation surfaces. Therefore, heat dissipation of the battery and the charging device is inevitably affected during the charging process, the service life of the battery and the charging circuit inside the charging device is affected, and potential safety hazards during the charging process are also caused.

Therefore, how to ensure the service life of the battery and the charging circuit inside the charging device and reduce the potential safety hazard during the charging process becomes a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a charging device to ensure the life of the inside charging circuit of battery and charging device, reduce the potential safety hazard in the charging process.

In order to achieve the above object, the utility model provides a following technical scheme:

a charging device comprises a charging shell, wherein a battery installation position for installing a battery is arranged on the charging shell;

the outer surface of the charging housing can have a gap with a primary heat dissipating surface of the battery mounted on the battery mounting site.

According to the above technical scheme, the utility model provides a charging device, back on battery installation position is installed to the battery, has the clearance between the main cooling surface of the surface of charging case and battery. Due to the existence of the gap, air enters the gap and blocks the outer surface of the charging shell from the main heat dissipation surface of the battery. Because the air is a poor conductor of heat, the heat transfer between the outer surface of the charging shell and the main radiating surface of the battery is effectively avoided; and through the flow of air in the clearance, also can take place heat exchange with the surface of charging case and the main radiating surface of battery, effectively improved the radiating effect of charging case and battery. Through the heat dissipation, the temperature of the battery and the charging circuit inside the charging device is effectively reduced, the service life of the battery and the charging circuit inside the charging device is ensured, and the potential safety hazard in the charging process is reduced.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a first combination of a charging device and a battery according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a second combination of a charging device and a battery according to an embodiment of the present invention;

fig. 3 is a schematic view of a third combination of a charging device and a battery according to an embodiment of the present invention.

Detailed Description

Reference is made herein to various exemplary embodiments. However, those skilled in the art will recognize that changes and modifications may be made to the exemplary embodiments without departing from the scope hereof. For example, the various operational steps, as well as the components used to perform the operational steps, may be implemented in differing ways depending upon the particular application or consideration of any number of cost functions associated with operation of the system (e.g., one or more steps may be deleted, modified or incorporated into other steps).

The terms "first," "second," and the like in the description and claims herein and in the above-described drawings are used for distinguishing between different objects and not necessarily for describing a particular sequential order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, or apparatus.

As shown in fig. 1, 2 and 3, a charging device is provided, which includes a charging housing 1, wherein a battery mounting position for mounting a battery 2 is provided on the charging housing 1; the outer surface of the charging case 1 can have a gap 3 with the main heat radiating surface of the battery 2 mounted on the battery mounting site.

The embodiment of the utility model provides a charging device, battery 2 install back on the battery installation position, have clearance 3 between the surface of charging case 1 and the main cooling surface of battery 2. Due to the presence of the gap 3, air enters the gap 3, blocking the outer surface of the charging case 1 from the main heat radiating surface of the battery 2. As air is a poor conductor of heat, heat transfer between the outer surface of the charging case 1 and the main heat dissipating surface of the battery 2 is effectively avoided; in addition, the air flows in the gap 3, and heat exchange is also generated between the air and the outer surface of the charging case 1 and the main heat dissipation surface of the battery 2, so that the heat dissipation effect of the charging case 1 and the battery 2 is effectively improved. Through the heat dissipation, the temperature of the battery and the charging circuit inside the charging device is effectively reduced, the service life of the battery and the charging circuit inside the charging device is ensured, and the potential safety hazard in the charging process is reduced.

The thermal conductivity of air is about 0.02W/m · K, and the thermal conductivity of the charging case 1 is about ten times that of air even if plastic which is not easily thermally conductive is used.

It is understood that the charging circuit is installed in the charging housing 1. The outer surface with larger area on the battery is the main heat dissipation surface. Whereas in the prior art, the primary heat dissipating surface of the battery is in direct contact with the outer surface of the charging housing. Taking a conventional cuboid as an example, two surfaces which are large in area and symmetrically arranged exist on the cuboid, and the two surfaces are main heat dissipation surfaces.

In order to facilitate mounting of the battery 2 to a battery mounting location on the charging housing 1 of the charging device, the battery mounting location is located on the top surface of the upper shell of the charging housing 1. The battery mounting position may also be provided on the side of the charging case 1.

As shown in fig. 1 and 2, the battery mounting site includes a conductive connecting surface 14, a positioning surface 13 and a clearance surface 12. The electrically conductive connection surface 14 is used for electrically conductive connection with the battery 2; the positioning surface 13 and the conductive connecting surface 14 are symmetrically arranged and used for extruding the battery 2 to the conductive connecting surface 14; the clearance face 12 faces the outside of the charging device. Wherein the clearance face 12 is capable of forming a clearance 3 with a primary heat dissipating face of the battery 2 mounted on the battery mounting site. Through the arrangement, the installation stability of the battery 2 on the charging device can be ensured, and the condition that the combined structure of the battery 2 installed on the charging device occupies too large space is also avoided.

As shown in fig. 1, the clearance face 12 is an inclined face provided obliquely to the battery 2 for mounting at the battery mounting site; the high end of the inclined surface is connected with one of the conductive connecting surface 14 and the positioning surface 13, and the low end of the inclined surface is connected with the other of the conductive connecting surface 14 and the positioning surface 13. In this embodiment, the high end of the inclined surface is connected to the conductive connection surface 14, and the low end of the inclined surface is connected to the positioning surface 13. After the battery 2 is installed in the battery installation site, the gap 3 formed between the main heat dissipation surface of the battery 2 and the clearance surface 12 increases in the direction from the electrically conductive connection surface 14 to the positioning surface 13. To facilitate the installation of the battery 2, the battery 2 is connected to the positioning surface 13 on the side where the gap 3 is larger. Of course, the battery 2 may be connected to the conductive connection surface 14 on the side where the gap 3 is larger.

The upper end of the inclined surface is a contact end for contacting the end of the battery 2. During the mounting process, one end of the battery 2 is in contact with the high end of the inclined surface. In order to further improve the stability, the lower end of the inclined surface is provided with a convex structure 11 for positioning and supporting with the end part of the battery 2; alternatively, the other surface is a stopper surface capable of restricting the movement of the battery 2 toward the clearance surface 12. With the above arrangement, the mounting stability of the battery 2 on the charging device is effectively improved while ensuring the formation of the gap 3.

As shown in fig. 2, the conductive connection surface 14 and the positioning surface 13 are both limiting surfaces capable of limiting the movement of the battery 2 to the clearance surface 12. With the above arrangement, the battery 2 can be mounted between the conductive connection surface 14 and the positioning surface 13.

In this embodiment, the conductive connection surface 14 and the positioning surface 13 are both inclined end surfaces that are close to each other in the direction close to the gap surface 12. Through the arrangement, the battery 2 can be erected on the conductive connecting surface 14 and the positioning surface 13, the contact between the main radiating surface of the battery 2 and the clearance surface 12 is avoided, and the formation of the clearance 3 is ensured.

The positioning surface 13 is parallel to the inner side surface of the battery in consideration of the heat dissipation uniformity; the inner side of the battery is the main heat dissipation surface facing the positioning surface 13 for the battery 2 mounted on the battery mounting site.

As shown in fig. 3, the battery mounting position is a fixing portion capable of fixing the power supply connection terminal of the battery 2. Through the arrangement, one end of the battery 2, which is far away from the power connection end of the battery, can be suspended, so that a relatively stable gap 3 can be formed between the outer surface of the charging shell 1 and the main radiating surface of the battery 2 installed on the battery installation position. In order to avoid that the overall volume of the charging device on which the battery 2 is mounted occupies too much space, the battery 2 is typically arranged obliquely. Of course, it is also possible to arrange the battery 2 vertically with respect to the charging device. Wherein the mounting position of the battery 2 with respect to the charging device depends on the structural limitations of the battery mounting position.

In this embodiment, the fixing portion is an insertion groove capable of inserting a power connection end of the battery; alternatively, the fixing portion is a holding portion capable of holding the power connection terminal of the battery. Of course, the fixing portion may have another structure, and it is only necessary to secure that the fixing portion can fix the power connection terminal of the battery 2.

In addition, a connection terminal capable of electrically connecting to the power supply connection terminal of the battery 2 needs to be provided in the fixing portion.

Those having skill in the art will recognize that many changes may be made to the details of the above-described embodiments without departing from the underlying principles of the invention. Accordingly, the scope of the present invention should be determined only by the following claims.

The above examples only show some embodiments, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The charging device is characterized by comprising a charging shell (1), wherein a battery mounting position for mounting a battery (2) is arranged on the charging shell (1);

the outer surface of the charging shell (1) can have a gap (3) with the main radiating surface of the battery (2) installed on the battery installation position.

2. A charging device according to claim 1, wherein said battery mounting location is located on the top surface of the upper shell of said charging housing (1).

3. A charging device as in claim 1, wherein said battery mounting location comprises:

an electrically conductive connection surface (14) for electrically conductive connection to the battery (2);

the positioning surface (13) is arranged symmetrically to the conductive connecting surface (14) and used for extruding the battery (2) to the conductive connecting surface (14);

a clearance face (12) facing the exterior of the charging device, the clearance face (12) being capable of forming the gap (3) with a primary heat dissipating face of the battery (2) mounted on the battery mounting location.

4. A charging device according to claim 3, wherein said clearance face (12) is an inclined face provided obliquely to said battery (2) for mounting at said battery mounting position;

the high end of the inclined surface is connected with one of the conductive connecting surface (14) and the positioning surface (13), and the low end of the inclined surface is connected with the other one of the conductive connecting surface (14) and the positioning surface (13).

5. A charging arrangement as claimed in claim 4, in which the upper end of the inclined surface is a contact end for contacting an end of the battery (2);

the lower end of the inclined surface is provided with a protruding structure (11) used for positioning and supporting the end part of the battery (2), or the other surface is a limiting surface capable of limiting the battery (2) to move towards the gap surface (12).

6. A charging arrangement as claimed in claim 3, characterized in that the electrically conductive connection surface (14) and the positioning surface (13) are both limiting surfaces which limit the movement of the battery (2) towards the clearance surface (12).

7. A charging arrangement as claimed in claim 6, characterized in that the electrically conductive connection face (14) and the positioning face (13) are inclined end faces which are adjacent to each other in the direction of the gap face (12).

8. A charging arrangement as claimed in claim 6 or 7, in which the locating surface (13) is parallel to the inner face of the battery;

the inner side surface of the battery is a main radiating surface which is used for being installed on the battery installation position and faces the positioning surface (13) of the battery (2).

9. A charging device according to claim 1, wherein said battery mounting portion is a fixing portion capable of fixing a power supply connection terminal of said battery.

10. The charging device as claimed in claim 9, wherein the fixing portion is a slot into which a power connection terminal of the battery can be inserted;

or, the fixing part is a clamping part capable of clamping the power supply connecting end of the battery.