CN213125605U

CN213125605U - Mobile power supply

Info

Publication number: CN213125605U
Application number: CN202021557066.8U
Authority: CN
Inventors: 阳建康
Original assignee: Dongguan Junquan Plastic Electronics Co ltd
Current assignee: Dongguan Junquan Plastic Electronics Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-05-04
Anticipated expiration: 2030-07-30

Abstract

The utility model belongs to the technical field of charging device, especially, relate to a mobile power supply, include, go up the casing, lower casing, circuit board assembly and electric core, it installs in casing top down to go up the casing, it all is provided with the first locating piece and the second locating piece that enclose with the inner wall edge and close to go up casing and the relative position on the inner wall of casing down, be provided with first constant head tank and second constant head tank on first locating piece and the second locating piece respectively, first constant head tank and second constant head tank set up relatively, be provided with the sealing washer on the circuit board assembly, the sealing washer is located between first constant head tank and the second constant head tank, circuit board assembly and electric core all are located the casing and the inside behind the casing combination down, and the electricity is connected between electric core and the circuit board assembly. Through the setting, guarantee that installation space intakes the back, can not flow into portable power source's inside influence portable power source's use through the gap between circuit board and first locating piece or the second locating piece, reach a more apparent water-proof effects.

Description

Mobile power supply

Technical Field

The utility model belongs to the technical field of charging device, especially, relate to a portable power source.

Background

A portable power source, also known as a mobile power source or a mobile charger, is a product which can be carried about and can store electric energy, and is mainly a portable charger used for charging consumer electronic products such as handheld mobile equipment, and the like, especially in the occasions without external power supply. In the prior art, when assembling production to portable power source, through assembling circuit board, battery and portable power source casing and form finished product portable power source, to portable power source's waterproof function, adopt the extrusion butt between the accessory or adopt glue fixed connection to reduce the space between the accessory and reach certain waterproof ability, and adopt the not significant technical problem of waterproof among the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable power source aims at solving the not obvious technical problem of portable power source water-proof effects among the prior art.

In order to achieve the above object, an embodiment of the utility model provides a pair of portable power source, include, go up casing, lower casing, circuit board subassembly and electric core, go up the casing install in casing top down, go up the casing with relative position all is provided with the first locating piece and the second locating piece that enclose with the inner wall edge and close on the inner wall of casing down, first locating piece with be provided with first constant head tank and second constant head tank on the second locating piece respectively, first constant head tank with the second constant head tank sets up relatively, be provided with the sealing washer on the circuit board subassembly, the sealing washer is located first constant head tank with between the second constant head tank, circuit board subassembly with electric core all is located go up the casing with inside after the casing combination down, just electric core with the electricity is connected between the circuit board subassembly.

Preferably, the circuit board assembly comprises a first circuit board and a second circuit board, the first circuit board is located between the first positioning groove and the second positioning groove, the first circuit board is electrically connected with the second circuit board, two opposite side edges of the first circuit board are correspondingly provided with positioning recesses, and the sealing rings are connected with the two positioning recesses in a clamping mode.

Preferably, the inner wall of the lower shell is provided with a first positioning protrusion and a plurality of second positioning protrusions, the first circuit board is mounted in the first positioning protrusion, and the second circuit board is mounted in each of the second positioning protrusions.

Preferably, a plurality of indicator lights are arranged on the second circuit board, and each indicator light is located at an edge position of the second circuit board.

Preferably, a plurality of buffer blocks are arranged on the second circuit board, and each buffer block is located between the battery cell and the second circuit board.

Preferably, the surface of the upper shell is provided with a plurality of hole sites penetrating through the upper shell, each hole site is arranged in one-to-one correspondence with each indicator light, and transparent layers are arranged on the surface of the upper shell at the position of each hole site.

Preferably, partition plates are arranged between the hole sites on the inner wall of the upper shell.

Preferably, a first through hole and a second through hole are formed in the joint of the upper shell and the lower shell, and the first through hole is located at the edge position enclosed by the first positioning block and the second positioning block respectively.

Preferably, an outer joint and a power switch are arranged on the first circuit board, the outer joint is located in an area surrounded by the first positioning block and the second positioning block and the upper shell and the lower shell respectively, an outer connecting end of the outer joint is located in the first through hole, the power switch is located in the second through hole, and the power switch extends outwards.

Preferably, the upper housing and the lower housing are thermally fused.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the portable power source have one of following technological effect at least:

the portable power source in the utility model comprises an upper shell, a lower shell, a circuit board assembly and an electric core, wherein the upper shell and the lower shell are assembled together to form a portable power source shell, a first positioning block and a second positioning block are arranged at corresponding positions on the inner walls of the upper shell and the lower shell and respectively surround the edges of the inner walls of the upper shell and the lower shell to form an installation space, a first positioning groove and a second positioning groove which are opposite to each other are respectively arranged on the first positioning block and the second positioning block, set up the sealing washer on circuit board assembly, rethread circuit board assembly installs and places the sealing washer between first constant head tank and second constant head tank, guarantees the water-proof effects between installation space and the portable power source residual space, connects between electric core and the circuit board assembly electricity and realizes that electric core supplies power to the outside, separates the realization with installation space in portable power source shell with electric core and circuit board assembly and changes water-proof effects. Through the setting, guarantee that installation space intakes the back, can not flow into portable power source's inside influence portable power source's use through the gap between circuit board and first locating piece or the second locating piece, reach a more apparent water-proof effects.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is an effect diagram of a mobile power supply provided by an embodiment of the present invention.

Fig. 2 is an exploded view of a mobile power supply according to an embodiment of the present invention.

Fig. 3 is a partially enlarged view of a in fig. 2.

Fig. 4 is a partially enlarged view of B in fig. 2.

Fig. 5 is an internal plan view of an upper case of the mobile power supply provided in the embodiment of the present invention.

Fig. 6 is an internal plan view of a lower case of the mobile power supply according to an embodiment of the present invention.

Fig. 7 is a partial enlarged view of C in fig. 6.

Fig. 8 is an assembly plan view of a circuit board assembly and a battery cell of the mobile power supply provided by the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-upper shell 11-hole site 12-partition baffle

20-lower housing 21-first positioning block 22-second positioning block

23-first positioning projection 24-second positioning projection 25-first through hole

26-second through hole 30-circuit board assembly 31-first circuit board

32-second circuit board 40-battery cell 211-first positioning groove

212-second positioning groove 311-sealing ring 312-positioning recess

313-external connector 314-power switch 321-buffer block

322-indicator light.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in fig. 1-8, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functionality throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 8, a mobile power supply is provided, which includes an upper casing 10, a lower casing 20, a circuit board assembly 30 and a battery cell 40, where the upper casing 10 and the lower casing 20 are used to form a mobile power supply housing, the circuit board assembly 30 is used to achieve overcharge protection, overdischarge protection and overheat protection for the mobile power supply, the battery cell 40 is used to charge a connection device, and electric energy is stored, the upper casing 10 is installed above the lower casing 20, the upper casing 10 is fixedly installed right above the lower casing 20 to form a complete mobile power supply casing, the upper casing 10 and the lower casing 20 are provided at opposite positions on the inner wall thereof with a first positioning block 21 and a second positioning block 22 that surround the inner wall edge, and the first positioning block 21 and the second positioning block 22 respectively surround the inner wall edge of the upper casing 10 and the inner wall edge of the lower casing 20 to form an installation space, the component is used for installing a mobile power supply and connecting with external equipment, the component is separated to realize that water is separated in the installation space and cannot permeate into the internal space again, the first positioning block 21 and the second positioning block 22 are respectively provided with a first positioning groove 211 and a second positioning groove 221, the first positioning groove 211 and the second positioning groove 221 are used for realizing a positioning function, the first positioning groove 211 and the second positioning groove 221 are oppositely arranged to realize a position fixing function by matching between the first positioning groove 211 and the second positioning groove 221, the circuit board assembly 30 is provided with a sealing ring 311, the sealing ring 311 is positioned between the first positioning groove 211 and the second positioning groove 221, the sealing ring 311 is arranged on the circuit board assembly 30 and is placed between the first positioning groove 211 and the second positioning groove 221, and the sealing ring 311 is respectively matched between the first positioning groove 211 and the second positioning groove 221 to realize that the sealing ring 311 is positioned between the sealing ring 311 Under the effect fill the space between circuit board assembly 30 and first constant head tank 211 and the second constant head tank 221 and prevent that water from flowing in from the gap, improve portable power source's waterproof function, circuit board assembly 30 with electric core 40 all is located go up casing 10 with inside behind the casing 20 combination down, just electric core 40 with electricity is connected between the circuit board assembly 30, and through the electricity connection between circuit board assembly 30 and the electric core 40, utilize circuit board assembly 30 to realize overcharging protection, overdischarging protection, the protection of excess temperature to electric core 40, make portable power source more safe, place circuit board assembly 30 and electric core 40 and carry out waterproof protection in portable power source shell.

The utility model provides a portable power source includes upper casing 10, lower casing 20, circuit board assembly 30 and electric core 40, assemble upper casing 10 and lower casing 20 together and form the portable power source shell during the equipment, corresponding position on the inner wall of upper casing 10 and lower casing 20 sets up first locating piece 21 and second locating piece 22 and encloses respectively with the inner wall edge of upper casing 10 and lower casing 20 and form an installation space, set up relative first constant head tank 211 and second constant head tank 221 on first locating piece 21 and second locating piece 22 respectively, set up sealing washer 311 on circuit board assembly 30, rethread circuit board assembly 30 installation places sealing washer 311 between first constant head tank 211 and second constant head tank 221, guarantee the waterproof effect between installation space and the portable power source residual space, realize electric core 40 to the external power supply with the electricity connection between electric core 40 and circuit board assembly 30, mounting the battery cell 40 and the circuit board assembly 30 in the mobile power supply case is separated from the mounting space to achieve improved water resistance. Through the setting, guarantee that installation space intakes the back, can not flow into portable power source's inside influence portable power source's use through the gap between circuit board and first locating piece 21 or the second locating piece 22, reach a more apparent water-proof effects.

In another embodiment of the present invention, as shown in fig. 2 and 8, the circuit board assembly 30 includes a first circuit board 31 and a second circuit board 32, the first circuit board 31 and the second circuit board 32 are disposed to facilitate arrangement of the electric core 40, the switch, and the external joint 313, the first circuit board 31 is located between the first positioning groove 211 and the second positioning groove 221, the first circuit board 31 is disposed between the first positioning groove 211 and the second positioning groove 221 to achieve a waterproof effect through the sealing ring 311 matching with the first positioning groove 211 and the second positioning groove 221, the first circuit board 31 is electrically connected to the second circuit board 32, the first circuit board 31 and the second circuit board 32 are adapted to each other through the electrical connection between the first circuit board 31 and the second circuit board 32, the opposite two side edges of the first circuit board 31 are correspondingly disposed with the positioning recesses 312, the sealing ring 311 is clamped with the two positioning recesses 312, and the positioning recesses 312 are arranged on the two opposite side edges of the first circuit board 31, so that the sealing ring 311 is fixed on the first circuit board 31.

The second circuit board 32 is arranged in the middle of the first circuit board 31, and the battery cells 40 are arranged on two sides of the second circuit board 32, so that the electric quantity of the mobile power supply can be improved, and the arrangement of the battery cells 40 inside the mobile power supply is convenient.

In another embodiment of the present invention, as shown in fig. 5, the inner wall of the lower housing 20 is provided with a first positioning protrusion 23 and a plurality of second positioning protrusions 24, the first positioning protrusion 23 and the plurality of second positioning protrusions 24 are used for realizing the function of position fixing, the first circuit board 31 is installed in the first positioning protrusion 23, the second circuit board 32 is installed in each of the second positioning protrusions 24, the first circuit board 31 is installed in the first positioning protrusion 23, the position fixing of the first circuit board 31 is realized, and the second circuit board 32 is installed in each of the second positioning protrusions 24 to realize the position fixing of the second circuit board 32.

In another embodiment of the present invention, as shown in fig. 2 and fig. 8, a plurality of indicator lights 322 are disposed on the second circuit board 32, each indicator light 322 is located at an edge of the second circuit board 32, and a plurality of indicator lights 322 are disposed at an edge of the second circuit board 32 for prompting an electric quantity status of the mobile power source, so that a user can timely perform charging of the electric quantity.

In another embodiment of the present invention, as shown in fig. 8, a plurality of buffer blocks 321 are disposed on the second circuit board 32, each of the buffer blocks 321 is located between the battery cell 40 and the second circuit board 32, and a plurality of buffer blocks 321 are disposed on the second circuit board 32 for providing buffering, and the buffer blocks 321 are disposed between the second circuit board 32 and the battery cell 40 for preventing the mobile power supply from dropping the battery cell 40 and causing damage to the second circuit board 32 due to position shifting.

The utility model discloses a further embodiment, as shown in fig. 1 ~ 2 and fig. 4, go up casing 10 surface and be provided with and run through go up a plurality of hole sites 11 of casing 10, each hole site 11 and each pilot lamp 322 one-to-one sets up, just go up casing 10 surface and be located each the position of hole site 11 is provided with the stratum lucidum, sets up on last casing 10 surface and a plurality of hole sites 11 that each pilot lamp 322 set up relatively and be used for the light that gives off such as directly penetrating can be perceived by the user through each hole site 11 to audio-visual discernment portable power source's electric quantity in service condition judges whether need carry out the electric quantity and fill continuously.

In another embodiment of the utility model, as shown in fig. 4, it is located each on the inner wall of upper housing 10 be provided with partition plate 12 between the hole sites 11, and the position that lies in between each hole site 11 on the inner wall of upper housing 10 sets up partition plate 12, cuts apart individual hole site 11, prevents to lead to the fact the influence to closing on hole site 11 after pilot lamp 322 that adjacent hole site 11 corresponds lights to lead to the fact the misleading to the user, make electric quantity suggestion effect not think.

In another embodiment of the present invention, as shown in fig. 1 to 2 and fig. 4 to 5, the upper housing 10 and the connection portion of the lower housing 20 are provided with a first through hole 25 and a second through hole 26, the first through hole 25 and the second through hole 26 are used for realizing the matching connection between the mobile power supply and the external device and the control of the mobile power supply, the first through hole 25 is located at the edge position enclosed by the first positioning block 21 and the second positioning block 22, and the waterproof effect of the external region is achieved by the related arrangement of the waterproof on the first positioning block 21 and the second positioning block 22.

In another embodiment of the present invention, as shown in fig. 2 and 8, an external connector 313 and a power switch 314 are disposed on the first circuit board 31, the power switch 314 is used to start a mobile power source in standby for outputting electric power, the external connector 313 is used to realize charging and discharging of the mobile power source, the external connector 313 is located in an area enclosed by the first positioning block 21 and the second positioning block 22 and the upper casing 10 and the lower casing 20, respectively, and the external terminal of the external connector 313 is located in the first through hole 25, the external connector 313 is installed in an area enclosed by the first positioning block 21 and the second positioning block 22 and the upper casing 10 and the lower casing 20, the electric core 40 is prevented from being damaged by water entering from the first through hole 25 flowing into the mobile power source through the first positioning block 21 and the second positioning block 22, the power switch 314 is located in the second through hole 26, and the power switch 314 extends outwards, and the power switch 314 is arranged in the second through hole 26 to extend outwards, so that a user can turn on and off the power supply by operating the power switch 314.

Switch 314 bottom is square all around, as shown in fig. 2 and fig. 8, and one side is provided with the location arch, second through-hole 26 hole site 11 is located last casing 10 and lower casing 20 inner wall position and sets up by fixed arch, be used for cooperating with switch 314's square bottom, make switch 314 install go the back position direction and can not change, switch 314 adopts plastic material simultaneously, make switch 314 have certain elasticity, through switch 314 and last casing 10 and down the mutual extrusion between the casing 20, can prevent to a certain extent during the very easy entering portable power source of water, cause the damage to the inside electric core 40 of portable power source, influence portable power source's normal use.

In another embodiment of the present invention, as shown in fig. 1-2, the upper housing 10 and the lower housing 20 are connected by hot melting, and the upper housing 10 and the lower housing 20 are welded by ultrasonic hot melting, so that no gap is formed between the upper housing 10 and the lower housing 20, thereby achieving the desired waterproof effect.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A mobile power supply, characterized in that: the battery pack comprises an upper shell, a lower shell, a circuit board assembly and a battery cell, wherein the upper shell is installed above the lower shell, a first positioning block and a second positioning block which are enclosed with the edge of an inner wall are arranged at opposite positions on the inner wall of the lower shell, a first positioning groove and a second positioning groove are formed in the first positioning block and the second positioning block respectively, the first positioning groove and the second positioning groove are arranged oppositely, a sealing ring is arranged on the circuit board assembly and is located between the first positioning groove and the second positioning groove, the circuit board assembly and the battery cell are located in the upper shell and the interior formed by combining the lower shell, and the battery cell and the circuit board assembly are electrically connected.

2. The mobile power supply of claim 1, wherein: the circuit board assembly comprises a first circuit board and a second circuit board, the first circuit board is located between the first positioning groove and the second positioning groove, the first circuit board is electrically connected with the second circuit board, the edges of two opposite sides of the first circuit board are correspondingly provided with positioning recesses, and the sealing rings are connected with the positioning recesses in a clamped mode.

3. The mobile power supply of claim 2, wherein: the lower shell is characterized in that a first positioning bulge and a plurality of second positioning bulges are arranged on the inner wall of the lower shell, the first circuit board is installed in the first positioning bulges, and the second circuit boards are installed in the second positioning bulges.

4. The mobile power supply of claim 2, wherein: the second circuit board is provided with a plurality of indicator lights, and each indicator light is located at the edge of the second circuit board.

5. The mobile power supply of claim 2, wherein: the second circuit board is provided with a plurality of buffer blocks, and each buffer block is located between the battery cell and the second circuit board.

6. The mobile power supply of claim 4, wherein: the surface of the upper shell is provided with a plurality of hole sites penetrating through the upper shell, each hole site is in one-to-one correspondence with each indicator light, and transparent layers are arranged on the surface of the upper shell at the position of each hole site.

7. The mobile power supply of claim 6, wherein: partition plates are arranged between the hole sites on the inner wall of the upper shell.

8. The mobile power supply of claim 2, wherein: the connecting part of the upper shell and the lower shell is provided with a first through hole and a second through hole, and the first through hole is positioned at the edge position enclosed by the first positioning block and the second positioning block respectively.

9. The mobile power supply of claim 8, wherein: the first circuit board is provided with an outer joint and a power switch, the outer joint is located in an area which is enclosed by the first positioning block and the second positioning block and the upper shell and the lower shell respectively, the outer end of the outer joint is located in the first through hole, the power switch is located in the second through hole, and the power switch extends outwards.

10. The mobile power supply according to any one of claims 1 to 9, wherein: and the upper shell and the lower shell are in hot-melt connection.