CN211182271U

CN211182271U - Mobile power supply

Info

Publication number: CN211182271U
Application number: CN201921843111.3U
Authority: CN
Inventors: 雷桂斌
Original assignee: Shenzhen Romoss Technology Co Ltd
Current assignee: Shenzhen Romoss Technology Co Ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-08-04
Anticipated expiration: 2029-10-29

Abstract

The utility model relates to a mobile power supply, this mobile power supply include shell, electric core module and circuit board, and electric core module and circuit board equal holding are in the shell, and electric core module just includes electric core, heat conduction box and connecting piece, and the heat conduction box is located to the connecting piece lid, and forms with the heat conduction box and accept the chamber, and electric core holding is in acceping the intracavity, circuit board and electric core module electric connection. When above-mentioned portable power source is using, if electricity core takes place unusually, the risk of burning appears, at first heat conduction box can accelerate the heat dissipation of electricity core, secondly, because electricity core holding is in acceping the intracavity, and the approximate sealed state can be so that the initial stage of electricity core unusual burning can't violently burn because of the oxygen suppliment is not enough to fine avoid portable power source's potential safety hazard.

Description

Mobile power supply

Technical Field

The utility model relates to a portable power source technical field especially relates to a portable power source.

Background

Install electric core module in general portable power source, when the electric capacity of electric core module was too big, the heat dissipation of electric core module was not enough, takes place easily to damage and has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to be not enough to the heat dissipation of electric core module, takes place to damage easily and has the problem of potential safety hazard, provides a portable power source.

A mobile power supply, comprising:

a housing;

the battery cell module is accommodated in the shell and comprises a battery cell, a heat conduction box and a connecting piece, the connecting piece is connected with the heat conduction box and forms an accommodating cavity with the heat conduction box, and the battery cell is accommodated in the accommodating cavity; and

the circuit board is electrically connected with the battery cell module and is accommodated in the shell.

Above-mentioned portable power source includes shell, electric core module and circuit board, and electric core module and circuit board all holding are in the shell, and the electric core module just includes electric core, heat conduction box and connecting piece, and the heat conduction box is located to the connecting piece lid, and forms with the heat conduction box and accept the chamber, and electric core holding is in acceping the intracavity, circuit board and electric core module electric connection. When above-mentioned portable power source is using, if electricity core takes place unusually, the risk of burning appears, at first heat conduction box can accelerate the heat dissipation of electricity core, secondly, because electricity core holding is in acceping the intracavity, and the approximate sealed state can be so that the initial stage of electricity core unusual burning can't violently burn because of the oxygen suppliment is not enough to fine avoid portable power source's potential safety hazard.

In one embodiment, the connecting member includes a supporting plate and a baffle extending from an edge of one side of the supporting plate, the battery cell is connected to the supporting plate, the battery cell and the baffle are located on the same side of the supporting plate, the baffle is covered on the heat conducting box, the supporting plate is accommodated in the heat conducting box, and the baffle and the heat conducting box form the accommodating cavity.

In one embodiment, the baffle is removably attached to the thermally conductive cartridge.

In one embodiment, the battery cell module further includes a wire, the battery cell is electrically connected to the wire, the baffle cover is disposed on one side of the heat conducting box and is provided with a connecting hole, and the wire penetrates through the connecting hole and is electrically connected to the circuit board.

In one embodiment, the housing includes a middle frame and a housing cover, the housing cover is disposed on the middle frame, the middle frame includes a connecting plate, and a first side wall and a second side wall extending from two opposite sides of the connecting plate, a support is disposed on one side of the second side wall facing the first side wall, and two ends of the heat conduction box are respectively connected to the first side wall and the support.

In one embodiment, the bracket includes a supporting portion and a clamping portion connected to the supporting portion, the supporting portion is connected to the second sidewall, the clamping portion is disposed opposite to the second sidewall, the circuit board is connected to the supporting portion, and the heat conduction box is connected to the clamping portion.

In one embodiment, a clamping groove and a notch are formed in one side, back to the connecting plate, of the clamping portion, the clamping groove is located at one end, close to the connecting plate, of the clamping portion, the notch is located at one end, far away from the connecting plate, of the clamping portion, a first buckle and a second buckle are arranged on one side, facing the clamping portion, of the heat conduction box, the first buckle and the second buckle are arranged oppositely, the first buckle is clamped in the clamping groove, and the second buckle is clamped in the notch.

In one embodiment, the case cover includes an upper cover and a lower cover, the upper cover is disposed on one side of the middle frame and fastened to the lower cover, the lower cover is disposed on the other side of the middle frame, so that a cavity is defined by the middle frame, the upper cover and the lower cover, and the battery cell module and the circuit board are respectively accommodated in the cavity; one side of the upper cover, which faces the support, is provided with a first limiting rib and a second limiting rib, the first limiting rib abuts against the first buckle, and the second limiting rib abuts against the second buckle.

In one embodiment, a positioning hole is formed in one side of the first side wall facing the second side wall, and a positioning portion is arranged at the bottom of the heat conduction box and is accommodated in the positioning hole.

In one embodiment, the heat conducting box is an aluminum box, a steel box or a ceramic box.

Drawings

Fig. 1 is a perspective view of a partial structure of a mobile power supply in an embodiment;

fig. 2 is an enlarged view of the mobile power supply shown in fig. 1 at a;

FIG. 3 is an exploded view of an embodiment of a mobile power supply;

fig. 4 is a perspective view of a connector of the portable power source shown in fig. 3;

fig. 5 is a perspective view of a middle frame of the mobile power supply shown in fig. 3;

fig. 6 is an enlarged view of the middle frame B of the mobile power supply shown in fig. 5;

fig. 7 is a perspective view of another perspective of the middle frame of the mobile power supply shown in fig. 3;

FIG. 8 is a top view of another embodiment of a mobile power supply;

fig. 9 is a cross-sectional view of the mobile power supply shown in fig. 8 taken along C-C.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 3, in an embodiment, a mobile power supply 10 is provided, which can be used by a user to charge an electronic device when the electronic device is low in power. In an embodiment, the mobile power supply 10 includes a casing 100, a battery cell module 200, and a circuit board 300, wherein the battery cell module 200 is electrically connected to the circuit board 300 and is accommodated in the casing 100, and the casing 100 may be provided with a plurality of sockets, so that the electronic device may be electrically connected to the circuit board 300 through the sockets, thereby implementing charging.

Referring to fig. 3, in an embodiment, the cell module 200 includes a cell 210, a heat conduction box 220 and a connection member 230, the cell 210 may include a plurality of blocks, the plurality of cells 210 are bonded and may be connected in series with a second circuit board 300, and a sponge or a silica gel is further included outside the cell 210 to reduce the collision of the cell 210. In an embodiment, the battery cell 210 is connected to the connecting member 230, the connecting member 230 is disposed on the heat conducting box 220, and forms a receiving cavity with the heat conducting box 220, and the battery cell 210 is received in the receiving cavity. Specifically, the material of the connecting member 230 may be PF material or other fireproof material, the battery cell 210 is glued to the connecting member 230, the gluing mode may be various, for example, double-sided tape may be used for gluing, the connecting member 230 may effectively prevent the battery cell 210 from leaking electricity, after gluing, the connecting member 230 is covered on the heat conducting box 220, so that the battery cell 210 is accommodated in the accommodating cavity, the sponge outside the battery cell 210 may avoid collision between the battery cell 210 and the heat conducting box 220, and effectively prevent generation of sparks. It is understood that the material of the heat conducting box 220 may be aluminum, steel, ceramic, or other materials with good heat conducting property, so that the heat generated by the battery cell 210 during operation can be dissipated to the outside quickly. When the battery cell 210 is burnt due to an accident or an abnormal condition, because the battery cell 210 is located in the accommodating cavity, the air circulation in the accommodating cavity is less, so that the violent burning can not be realized due to oxygen deficiency in the initial burning stage of the battery cell 210, and the occurrence of fire or safety accidents is effectively avoided. Further, in some modes, after the mobile power supply 10 is assembled, the accommodating cavity can be in a sealed state, so that the contact between the battery cell module 200 and the air is reduced, and the fireproof performance of the mobile power supply 10 is improved.

Above-mentioned portable power source 10 includes shell 100, electricity core module 200 and circuit board 300, and electricity core module 200 and circuit board 300 all hold in shell 100, and electricity core module 200 just includes electric core 210, heat conduction box 220 and connecting piece 230, and heat conduction box 220 is located to connecting piece 230 lid, and forms with heat conduction box 220 and accept the chamber, and electricity core 210 holds in accepting the intracavity, and circuit board 300 and electric core module 200 electric connection. When the mobile power supply 10 is used, if the battery cell 210 is abnormal, the risk of combustion occurs, the first pilot heat box 220 can accelerate the heat dissipation of the battery cell 210, and secondly, because the battery cell 210 is accommodated in the accommodating cavity, the approximate sealing state can ensure that the battery cell 210 cannot be combusted violently in the abnormal combustion initial stage due to insufficient oxygen supply, so that the potential safety hazard of the mobile power supply 10 is well avoided.

Referring to fig. 3 and 4, in an embodiment, the connection member 230 includes a carrier plate 231 and a baffle 233 extending from an edge of one side of the carrier plate 231, the baffle 233 may be vertically disposed on the carrier plate 231, the battery cell 210 is adhered to the carrier plate 231, the battery cell 210 and the baffle 233 are located on the same side of the carrier plate 231, the baffle 233 covers the heat conduction box 220, the carrier plate 231 is accommodated in the heat conduction box 220, and forms an accommodation cavity with the baffle 233 and the heat conduction box 220. Specifically, in the process of sealing the battery cell 210 in the receiving cavity, the carrier plate 231 carrying the battery cell 210 needs to be pushed into the heat conduction box 220, and the baffle 233 is covered on one side of the heat conduction box 220. It is understood that the connection member 230 and the heat conductive box 220 operate like a drawer, and when the loading plate 231 slides into the heat conductive box 220, the baffle 233 covers the heat conductive box 220 to form a receiving cavity.

In one embodiment, the baffle 233 is removably coupled to the thermal conductive cartridge 220. Specifically, the battery pack may further include a screw, the baffle 233 and the heat conducting box 220 may be in threaded connection through the screw, a first threaded hole is formed in one side of the baffle 233 facing the battery cell 210, a second threaded hole is formed in an edge of the heat conducting box 220, and the screw may penetrate through the first threaded hole and the second threaded hole, so that the baffle 233 and the heat conducting box 220 are fixedly connected. When a user needs to take out the battery cell 210, the baffle 233 and the heat conducting box 220 are separated from each other by rotating the screw, and the user pulls out the baffle 233, so that the bearing plate 231 is pulled out from the heat conducting box 220, thereby realizing replacement or repair of the battery cell 210 by the user. It can be understood that, the loading plate 231 and the baffle 233 can also be detachably connected, when the battery cell 210 is damaged or needs to be repaired, the loading plate 231 and the baffle 233 can be detached to replace the loading plate 231 and the battery cell 210, after the replacement, a new loading plate 231 is connected with the baffle 233, and the new battery cell 210 is adhered to one side of the loading plate 231, which faces the baffle 233, so that the replacement of the battery cell 210 is realized, the material of the battery cell module 200 is maximally utilized, and the rework cost and the repair cost are reduced.

Referring to fig. 3 and 4, in an embodiment, the battery cell module 200 further includes a conductive wire, the battery cell 210 is electrically connected to the conductive wire, the baffle 233 is covered on one side of the heat conducting box 220 and is provided with a connecting hole 235, and the conductive wire can pass through the connecting hole 235 and be electrically connected to the circuit board 300. Specifically, the aperture of the connection hole 235 may be slightly smaller, and the size of the aperture may be set according to the size of the wire, so that the aperture of the connection hole 235 and the diameter of the wire are adapted to each other, so that the wire may pass through the connection hole 235. The aperture of the connection hole 235 is not too large, so that air is prevented from entering the heat conduction box 220, and air circulation is promoted.

Referring to fig. 1 and fig. 3, in an embodiment, the casing 100 includes a middle frame 110 and a casing cover 120, and the casing cover 120 is disposed on the middle frame 110 and can enclose a cavity so as to accommodate the battery cell module 200 and the circuit board 300. Referring to fig. 5, the middle frame 110 includes a connecting plate 130, and a first sidewall 140 and a second sidewall 150 extending from two opposite sides of the connecting plate 130. The first side wall 140 and the second side wall 150 are respectively disposed substantially perpendicular to the connecting plate 130 and correspond to each other, and when the housing cover 120 is disposed on the middle frame 110, the edge shape of the housing cover 120 is adapted to the edge shape of the middle frame 110, so that the housing cover 120 can better fit on the middle frame 110 and enclose a cavity. Referring to fig. 4, in an embodiment, a bracket 151 is disposed on a side of the second sidewall 150 facing the first sidewall 140, and two ends of the heat conduction box 220 are respectively connected to the first sidewall 140 and the bracket 151. Further, when the battery cell module 200 is accommodated in the cavity, one end of the heat conducting box 220 abuts against the first sidewall 140, the other end abuts against the bracket 151, the circuit board 300 is connected to the bracket 151, and the battery cell 210 can pass through the connection hole 235 and be electrically connected to the circuit board 300 on the bracket 151. In one embodiment, the bracket 151 is located at approximately the middle of the second sidewall 150, and when the height of the bracket 151 on the second sidewall 150 is approximately equal to the height of the connection hole 235, the length of the wire is effectively saved, and the wire is prevented from being damaged due to too long. It is understood that a socket may be opened on the second sidewall 150 and be substantially horizontal to the position of the circuit board 300 on the bracket 151 so that a user may insert a plug of the electronic device into the socket. The plug interfaces can be arranged in a plurality of different shapes so as to adapt to different plugs.

Referring to fig. 3 and 5, in an embodiment, the bracket 151 includes a support part 153 and a catch 155 connected to the support part 153, the support part 153 is connected to the second sidewall 150 such that the catch 155 is disposed opposite to the second sidewall 150, and the circuit board 300 is screwed to the support part 153. Specifically, the supporting portion 153 may span the second sidewall 150, and the length of the supporting portion 153 is substantially the same as the length of the second sidewall 150, so that when the circuit board 300 is loaded, the supporting portion 153 has a larger area, so as to have a stronger supporting force for the circuit board 300. In one embodiment, the heat conductive box 220 has one end connected to the first sidewall 140 and the other end connected to the catch 155. That is, one end of the heat conduction box 220 is fixedly connected to the first sidewall 140, and the other end is fixedly connected to the catch 155, so as to limit the heat conduction box 220 from colliding within the housing 100.

Referring to fig. 1, 2, 5, and 6, in an embodiment, a holding groove 157 and a notch 159 are formed at an interval on a side of the holding portion 155 opposite to the connecting plate 130, the holding groove 157 is located at an end of the holding portion 155 close to the connecting plate 130, the notch 159 is located at an end of the holding portion 155 away from the connecting plate 130, a first buckle 225 and a second buckle 227 are arranged on a side of the heat conducting box 220 facing the holding portion 155, the first buckle 225 and the second buckle 227 are oppositely arranged, the first buckle 225 is clamped in the holding groove 157, and the second buckle 227 is clamped in the notch 159. Specifically, the first buckle 225 includes a fixing portion 2211 and a hook portion 2213, the fixing portion 2211 and the hook portion 2213 are integrally formed and are substantially T-shaped, the fixing portion 2211 is connected to the heat conduction box 220, and the hook portion 2213 is located on a side of the fixing portion 2211 away from the heat conduction box 220. When the first buckle 225 on the heat conduction box 220 near one side of the connection plate 130 is clamped in the clamping groove 157, the fixing portion 2211 of the first buckle 225 can be accommodated in the clamping groove 157, and part of the structure of the hook portion 2213 is supported on one side of the clamping portion 155 facing the baffle 233. It is understood that the shape of second catch 227 may be similar to the shape of first catch 225, and the embodiment of second catch 227 engaged in notch 159 is the same as the embodiment of first catch 225 described above, so that part of the structure of second catch 227 is supported by the side of catch 155 facing baffle 233. Due to the abutting of the first fastener 225 and the second fastener 227, when the heat conduction box 220 is fastened with the fastening part 155, the heat conduction box 220 is restricted from sliding back and forth and left and right, so that the heat conduction box 220 is not separated from the fastening part 155.

Referring to fig. 3, in an embodiment, the housing cover 120 includes an upper cover 121 and a lower cover 123, the upper cover 121 is disposed on one side of the middle frame 110 and fastened to the lower cover 123, and the lower cover 123 is disposed on the other side of the middle frame 110, so that the middle frame 110, the upper cover 121, and the lower cover 123 enclose a cavity, and the battery cell module 200 and the circuit board 300 are respectively accommodated in the cavity. Specifically, the outer shapes of the middle frame 110, the upper cover 121 and the lower cover 123 are adapted to each other, and when the upper cover 121 and the lower cover 123 are respectively covered on the middle frame 110, the connection of the housing 100 is relatively sealed due to the shape adaptation. It can be understood that the middle frame 110, the upper cover 121 and the lower cover 123 can be detachably connected by a clip, that is, a screw thread, a buckle 221, and the like, so that when the mobile power supply 10 needs to be reworked and repaired, the housing 100 can be detached and reassembled, thereby reducing the loss cost of materials. Referring to fig. 8 and 9, in an embodiment, a first limiting rib 1211 and a second limiting rib are disposed on a side of the upper cover 121 facing the bracket 151, and when the upper cover 121 is covered on the middle frame 110, the first limiting rib 1211 abuts against the first buckle 225, and the second limiting rib abuts against the second buckle 227. Further, when the upper cover 121 covers the middle frame 110, the first limiting rib 1211 can limit the first buckle 225 to slide in the vertical direction so as to limit the first buckle 225 in the axial direction, and the second limiting rib can limit the second buckle 227 to slide in the vertical direction so as to limit the second buckle 227 in the axial direction, so that the heat conduction box 220 is prevented from shaking up and down in the cavity to cause damage.

Referring to fig. 3 and 7, in an embodiment, a positioning hole 141 is formed on a side of the first sidewall 140 facing the second sidewall 150, and a positioning portion 223 is formed at a bottom of the heat conducting box 220, wherein the positioning portion 223 is received in the positioning hole 141. Specifically, the positioning hole 141 and the positioning portion 223 are adapted to each other in shape, when the user accommodates the positioning portion 223 of the heat conduction box 220 into the positioning hole 141, one of the fasteners 221 at the two ends of the heat conduction box 220 is clamped to the clamping portion 155 through the clamping groove 157, and the other fastener is clamped to the clamping portion 155 through the notch 159, so that the heat conduction box 220 is effectively prevented from shaking left and right.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present 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. A mobile power supply, comprising:

a housing;

2. The mobile power supply of claim 1, wherein the connector comprises a carrier plate and a baffle extending from an edge of one side of the carrier plate, the cell is connected to the carrier plate, the cell and the baffle are located on the same side of the carrier plate, the baffle cover is disposed on the heat conducting box, the carrier plate is received in the heat conducting box, and the baffle and the heat conducting box form the receiving cavity.

3. The mobile power supply of claim 2, wherein the baffle is removably coupled to the thermally conductive cartridge.

4. The mobile power supply of claim 2, wherein the battery cell module further comprises a wire, the battery cell is electrically connected to the wire, the baffle cover is disposed on one side of the heat conducting box and has a connecting hole, and the wire passes through the connecting hole and is electrically connected to the circuit board.

5. The mobile power supply according to claim 1, wherein the housing includes a middle frame and a housing cover, the housing cover is disposed on the middle frame, the middle frame includes a connecting plate and a first side wall and a second side wall extending from two opposite sides of the connecting plate, a bracket is disposed on one side of the second side wall facing the first side wall, and two ends of the heat conduction box are respectively connected to the first side wall and the bracket.

6. The mobile power supply of claim 5, wherein the bracket comprises a support portion and a holding portion connected to the support portion, the support portion is connected to the second sidewall, the holding portion is disposed opposite to the second sidewall, the circuit board is connected to the support portion, and the heat conducting box is connected to the holding portion.

7. The mobile power supply according to claim 6, wherein a holding groove and a notch are formed in a side of the holding portion opposite to the connecting plate, the holding groove is located at an end of the holding portion close to the connecting plate, the notch is located at an end of the holding portion away from the connecting plate, a first buckle and a second buckle are arranged on a side of the heat conduction box facing the holding portion, the first buckle and the second buckle are oppositely arranged, the first buckle is clamped in the holding groove, and the second buckle is clamped in the notch.

8. The mobile power supply according to claim 7, wherein the case cover comprises an upper cover and a lower cover, the upper cover is arranged on one side of the middle frame and fastened with the lower cover, the lower cover is arranged on the other side of the middle frame, so that a cavity is defined by the middle frame, the upper cover and the lower cover, and the battery cell module and the circuit board are respectively accommodated in the cavity; one side of the upper cover, which faces the support, is provided with a first limiting rib and a second limiting rib, the first limiting rib abuts against the first buckle, and the second limiting rib abuts against the second buckle.

9. The mobile power supply of claim 5, wherein a positioning hole is formed in a side of the first sidewall facing the second sidewall, and a positioning portion is disposed at a bottom of the heat conducting box and received in the positioning hole.

10. The mobile power supply of any one of claims 1-9, wherein the thermally conductive case is an aluminum case, a steel case, or a ceramic case.