CN208889716U

CN208889716U - Shell and rechargeable battery

Info

Publication number: CN208889716U
Application number: CN201821431081.0U
Authority: CN
Inventors: 吴凤梅; 崔伯虎
Original assignee: Dongguan Jiayang Battery Co Ltd
Current assignee: Dongguan Jiayang Battery Co Ltd
Priority date: 2018-08-31
Filing date: 2018-08-31
Publication date: 2019-05-21
Anticipated expiration: 2028-08-31

Abstract

The utility model belongs to charging equipment technical field more particularly to a kind of shell and rechargeable battery, and shell includes: bottom case, hollow and top end opening, and the bottom case is surrounded by the accommodation groove for being adapted to accommodating battery core, and the cross section of the accommodation groove is in rectangle；Cover, connect with the bottom case and covers the opening for setting the bottom case top, and the cover offers light-conductive hole；Light guiding film is set at the light-conductive hole；Illuminating part is contained in the accommodation groove and is electrically connected the battery core to indicate that the charge condition of the battery core, the light that the illuminating part issues are appeared by the light guiding film in outside the shell after the light-conductive hole.Shell provided by the utility model due to offering light-conductive hole on cover, and is provided with light guiding film at light-conductive hole, light-guiding pillar is eliminated in shell, therefore there are more accommodating spaces in shell, internal structure is also more simple, the energy density of rechargeable battery can be increased simultaneously, reduce material cost.

Description

Shell and rechargeable battery

Technical field

The utility model belongs to charging equipment technical field more particularly to a kind of shell and rechargeable battery.

Background technique

Existing its battery case of the rechargeable battery with Charge Management function is generally reserved with LED leaded light hole location, outside battery Light-guiding pillar is provided in shell, the light that LED light is issued is projected from light-conductive hole, and after LED light is lighted, light is across light-guiding pillar and outside Shell light-conductive hole projects.Setting light-guiding pillar can make the structure in battery case increasingly complex in battery case, and light-guiding pillar itself also accounts for With the inner space of battery case, the energy density relative reduction of battery, also, the light lead mode meeting of light-guiding pillar can be made in this way Increase operational sequence and working hour, leads to the increase of cost of labor.

Utility model content

The purpose of this utility model is to provide a kind of shell and rechargeable batteries, it is intended to solve charging electricity in the prior art The technical problem that the housing interior structure in pond is complicated, light guide cost of manufacture is high and occupied space is larger.

A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: shell, comprising:

Bottom case, hollow and top end opening, the bottom case are surrounded by the accommodation groove for being adapted to accommodating battery core, the accommodation groove Cross section be in rectangle；

Cover, connect with the bottom case and covers the opening for setting the bottom case top, and the cover offers light-conductive hole；

Light guiding film is set at the light-conductive hole；

Illuminating part is contained in the accommodation groove and is electrically connected the battery core to indicate the charge condition of the battery core, institute The light for stating illuminating part sending is appeared by the light guiding film in outside the shell after the light-conductive hole.

Further, the light guiding film is Nian Jie with the hole wall of the light-conductive hole.

Further, the light-conductive hole variable diameter setting, the light-conductive hole includes major diameter section and path section, and the major diameter section is leaned on The bottom surface of the nearly cover, for the path section close to the top surface of the cover, the light guiding film is contained in the major diameter section.

Further, the light guiding film is PET light guiding film.

Further, the bottom case is respectively arranged with the charge protection being electrically connected to each other in the opposite two sides of the accommodation groove Plate and discharge prevention plate, the illuminating part are fixed on the medial surface of the charger backplate, the discharge prevention plate by patch Lateral surface be equipped with multiple contacts, the corresponding side wall of the bottom case offers the contact holes passed through for the contact.

Further, the charger backplate and the discharge prevention plate pass through buckle structure and the bottom case and described Cover is fixed.

Further, the buckle structure includes the first convex block and the second convex block for being convexly equipped in the accommodating groove bottom, institute It states charge protection board to be fixed between the bottom case and first convex block, the discharge prevention board is fixed in the bottom case and institute It states between the second convex block.

Further, the cover is clamped, welds or be fixed on the bottom case by connector.

The another technical solution of the utility model is: a kind of rechargeable battery, including above-mentioned shell and is fixed on the shell The battery core being electrically connected in vivo and with the illuminating part.

Further, it is provided between the battery core and the charger backplate for by each single battery core of the battery core Series-parallel pinboard.

The utility model has the beneficial effects that the shell of the utility model, offers light-conductive hole, and light-conductive hole on cover Place is provided with light guiding film, eliminates light-guiding pillar in shell, therefore there are more accommodating spaces in shell, and internal structure is also more Simply, while the energy density of rechargeable battery can be increased, reduces material cost.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is the schematic perspective view of rechargeable battery provided by the embodiment of the utility model；

Fig. 2 is the configuration schematic diagram of rechargeable battery shown in Fig. 1；

Fig. 3 is the cross-sectional view that light guiding film is installed on light-conductive hole；

Fig. 4 is the schematic perspective view one of bottom case in rechargeable battery shown in Fig. 1；

Fig. 5 is the partial enlargement diagram of bottom case in rechargeable battery shown in Fig. 1；

Fig. 6 is the schematic perspective view two of bottom case in rechargeable battery shown in Fig. 1；

Fig. 7 is the schematic perspective view of cover in rechargeable battery shown in Fig. 1；

Fig. 8 is schematic perspective view when rechargeable battery shown in Fig. 1 removes cover.

Wherein, each appended drawing reference in figure:

10-rechargeable battery 20-shell, 100-bottom cases

101-accommodation groove 102-step, 103-card slots

104-contact holes 105-protrusion, 110-charger backplates

111-121-contacts of charging interface 120-discharge prevention plate

130-pinboard the 150-the second convex blocks of the 140-the first convex block

151-convex ribs 160-locating piece, 170-engaging lugs

171-mounting hole 200-cover, 210-light-conductive holes

211-major diameter section 212-path section, 220-raised lines

230-card base 240-through-hole, 300-light guiding films

400-500-battery cores of illuminating part.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of utility model.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

As shown in Fig. 1~2, shell 20 provided by the embodiment of the utility model, including bottom case 100, cover 200, light guiding film 300 and illuminating part 400.Bottom case 100 is hollow structure and top has opening, and bottom case 100 is surrounded by for being adapted to accommodating battery core 500 accommodation groove 101, the cross section of accommodation groove 101 are in rectangle or generally rectangular shaped, and the adaptation accommodating of accommodation groove 101 cross section is in The battery core 500 of rectangle.Cover 200 is connected and fixed with bottom case 100, and the opening on 20 top of panel sealing shell, cover 200 are opened Equipped with light-conductive hole 210, light guiding film 300 is set at the light-conductive hole 210 of cover 200.Illuminating part 400 is contained in the accommodating of bottom case 100 In slot 101, also, the light-emitting surface of illuminating part 400 is right against light-conductive hole 210, i.e., the light that illuminating part 400 issues passes through light-conductive hole It is appeared except shell 20 after 210 by the light guiding film 300.

Shell 20 provided in this embodiment is set due to offering light-conductive hole 210 on cover 200, and at light-conductive hole 210 Be equipped with light guiding film 300, eliminate light-guiding pillar in shell 20, thus in bottom case 100 there are accommodating space it is more, internal structure It is more simple, while the energy density of rechargeable battery 10 can be increased, reduce material cost.

Shell 20 is insulation shell, such as bottom case 100 is plastic pan 100, and cover 200 is plastic cement cover 200；Illuminating part 400 can be used LED light, good directionality and can save electricity consumption；Battery core 500 can with but be not limited only to be lithium battery or lithium-ion electric Pond, the cross section of battery core 500 are in rectangle.

PET film can be used in light guiding film 300, and PET film is called high temperature mylar (Polyethylene Terephthalate, PET), the appearance profile of light guiding film 300 is suitable for the appearance profile of light-conductive hole 210, light-conductive hole 210 it is transversal Rounded, oval, annular, rectangle in face etc..

In one embodiment, light guiding film 300 is Nian Jie with the hole wall of light-conductive hole 210, i.e. the circumferential wall of light guiding film 300 and leaded light The hole wall in hole 210 is adhesively fixed, and light guiding film 300 is adhered to the hole wall of light-conductive hole 210 for example, by using industrial glue.Light guiding film 300 Thickness be less than or equal to cover 200 thickness so that light guiding film 300 can be housed in light-conductive hole 210, light guiding film 300 will not 20 inner space of shell is occupied, light-guiding pillar is also eliminated, to can increase the energy density of rechargeable battery 10.

As shown in Fig. 3, Fig. 7, light-conductive hole 210 can be the structure being arranged in variable diameter, and light-conductive hole 210 includes major diameter section 211 With path section 212, major diameter section 211 close to the bottom surface of cover 200, path section 212 close to the top surface of cover 200, path section 212 Top surface chamfering, light guiding film 300 are contained in major diameter section 211, and light guiding film 300 is not take up the accommodating space of bottom case 100.Implement one In mode, as shown in figure 3, light-conductive hole 210 is stepped hole, major diameter section 211, also, light guiding film are fixed in the receiving of light guiding film 300 300 are completely hidden in light-conductive hole 210, i.e. height of the thickness of light guiding film 300 less than or equal to major diameter section 211.Light-conductive hole 210 It is also possible to another variable-diameter structure, i.e. the hole wall of light-conductive hole 210 includes straight section and conical section, and straight section is close to the top of cover 200 Face, conical section become larger from top to bottom close to the bottom surface of cover 200, the width of conical section, and light guiding film 300 is adhered to taper Section, the thickness of light guiding film 300 is less than or equal to the height of conical section, in this way, light guiding film 300 can be completely hidden in light-conductive hole 210 In.

Cover 200 can be clamped, welds or is fixed on bottom case 100 by connector.In one embodiment, such as Fig. 1, figure 2 and fig. 4 to fig. 6 shown in, the bottom surface of cover 200 is convexly equipped with raised line 220, the end face shape on 100 top of bottom case close to edge At there is step 102, raised line 220 is resisted against on step 102, and the bottom surface of cover 200 is resisted against the top end face of each side wall of bottom case 100, That is 220 thickness and width of the raised line thickness and width that adapts to step 102.It is also settable on step 102 to be used for clamping raised line 220 Protrusion 105 so that the lid of cover 200 can block bottom case 100 when being located at bottom case 100.

As shown in Fig. 2, Fig. 4, Fig. 5 and Fig. 7, the bottom surface of cover 200 is convexly equipped with card close to the position of four edges respectively The inner wall of foot 230, corresponding four edges of bottom case 100 is formed with the card slot 103 engaged with card base 230, i.e., card slot 103 is along bottom case The vertical direction of the quadrangle of 100 inner walls opens up, and the card base 230 of cover 200 is caught in card slot 103 so that cover 200 it is easy to install in Bottom case 100.After cover 200 is connected in bottom case 100, cover 200 can be again by being ultrasonically welded at bottom case 100, with further The stability connected between cover 200 and bottom case 100 is improved, alternatively, cover 200, which directlys adopt ultrasonic bonding, is fixed on bottom case On 100, or adopts and be screwed on bottom case 100.

In one embodiment, as shown in Fig. 2, Fig. 4, Fig. 6 and Fig. 8, bottom case 100 is distinguished in the opposite two sides of accommodation groove 101 It is provided with charger backplate 110, discharge prevention plate 120, charger backplate 110 and discharge prevention plate 120 are electrically connected to each other, charging Protection board 110 and discharge prevention plate 120 are electrically connected with battery core 500 respectively, for example, charger backplate 110 and discharge prevention plate 120 It is electrically connected by cable.Charger backplate 110 and discharge prevention plate 120 are respectively arranged with protection circuit, in the electricity of battery core 500 Pressure or temperature turn off charge or discharge circuit when reaching critical value, cut off extrinsic current, restore 500 voltage of battery core or temperature to pre- If in range, charger backplate 110 and discharge prevention plate 120 are rectangular slab or are similar to rectangular slab, and its height is slightly smaller than bottom The height of shell 100.

The bottom surface of accommodation groove 101 is convexly equipped with the first convex block 140 and the second convex block 150, and charger backplate 110 is fastened in first Between convex block 140 and the side wall of bottom case 100, discharge prevention plate 120 is fastened between the second convex block 150 and the side wall of bottom case 100, The side of charger backplate 110 and the side wall of bottom case 100 are affixed touching, the side of discharge prevention plate 120 and the side wall phase of bottom case 100 Patch touching, in this way, can make to form compact structure between each component inside bottom case 100.

In one embodiment, as shown in figs. 4 and 6, the side spacing side by side of the bottom surface of accommodation groove 101 is provided with 3 One convex block 140, the other side spacing side by side of the bottom surface of accommodation groove 101 are provided with 3 the second convex blocks 150,110 edge of charger backplate The both ends of length direction are respectively protruding into two card slots 103 of bottom case 100, the both ends difference of discharge prevention plate 120 along its length It protrudes into another two card slot 103 of bottom case 100.As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 6, the lateral surface of discharge prevention plate 120 is equipped with more A contact 121, the corresponding side wall of bottom case 100 offers the contact holes 104 passed through for multiple contact 121, so that external equipment Battery core 500 can be electrically connected to.The side wall of bottom case 100, which also protrudes, is provided with convex ribs 151, and charger backplate 110 is made to be held in convex ribs 151 and first between convex block 140, for example, spaced two convex ribs 151 are arranged in the side wall protrusion in bottom case 100, this two convex The first convex block of muscle 151 and 3 140 is staggered, so that clamping better effect.

The bottom end of card slot 103 is also provided with locating piece 160, the bottom of the two sides of charger backplate 110 along its length End is born against on the locating piece 160 of two sides, move charger backplate 110 will not along its length.

As shown in fig. 1, fig. 2 and fig. 8, the medial surface of charger backplate 110 is further fixed on charging interface 111, charging interface 111 can be USB interface, and the position of the corresponding charging interface 111 of cover 200 offers the through-hole for keeping charging interface 111 exposed 240, it is charged with facilitating to battery core 500.

As shown in Figure 1 and Figure 2, rechargeable battery 10 provided by the embodiment of the utility model, including the shell in above-described embodiment 20 and the battery core 500 that is contained in shell 20, battery core 500 be electrically connected with illuminating part 400.The cross section of battery core 500 is in rectangle, by It is provided with light guiding film 300 at light-conductive hole 210, eliminates light-guiding pillar in shell 20, therefore there are more spaces in shell 20, Internal structure is also more simple, while can increase the energy density of rechargeable battery 10.In one embodiment, cover 200 can be borrowed The card base 230 and raised line 220 for helping bottom surface are connected in bottom case 100, after each component placement in shell 20 is installed, by cover 200 lids set and are connected on bottom case 100, then are further fixed cover 200 and bottom case 100 by ultrasonic welding mode, to mention The stability of leakproofness and connection between high cover 200 and bottom case 100.

In one embodiment, bottom case 100 is connected with the company for stretching out in bottom case 100 close to the side wall of charger backplate 110 Lug 170, for example, bottom case 100 is connected separately with engaging lug 170 far from the symmetrical two sides of the side wall equipped with contact holes 104, often A engaging lug 170 offers mounting hole 171 respectively, and rechargeable battery 10 is mounted on electronic equipment with facilitating.

In one embodiment, pinboard 130 is provided between battery core 500 and charger backplate 110, the pinboard 130 Surface is provided with the circuit series-parallel for each single battery core by battery core 500, and pinboard 130 can be such that rechargeable battery 10 has more Big capacity.Pinboard 130 is electrically connected with battery core 500, charger backplate 110 and discharge prevention plate 120 respectively, pinboard 130 Length be set smaller than the length of battery core 500, in order to install pinboard 130.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims

1. a kind of shell, it is characterised in that: include:

Bottom case, hollow and top end opening, the bottom case are surrounded by the accommodation groove for being adapted to accommodating battery core, the cross of the accommodation groove Rectangular in cross-section；

Light guiding film is set at the light-conductive hole；

Illuminating part is contained in the accommodation groove and is electrically connected the battery core to indicate the charge condition of the battery core, the hair The light that light part issues is appeared by the light guiding film in outside the shell after the light-conductive hole.

2. shell according to claim 1, it is characterised in that: the light guiding film is Nian Jie with the hole wall of the light-conductive hole.

3. shell according to claim 1, it is characterised in that: the light-conductive hole variable diameter setting, the light-conductive hole include big Diameter section and path section, for the major diameter section close to the bottom surface of the cover, the path section is described to lead close to the top surface of the cover Light film is contained in the major diameter section.

4. shell according to claim 1, it is characterised in that: the light guiding film is PET light guiding film.

5. shell according to claim 1, it is characterised in that: the bottom case is set respectively in the opposite two sides of the accommodation groove It is equipped with the charger backplate and discharge prevention plate being electrically connected to each other, the illuminating part is fixed on the charger backplate by patch Medial surface, the lateral surface of the discharge prevention plate is equipped with multiple contacts, and the corresponding side wall of the bottom case is offered for the touching Point across contact holes.

6. shell according to claim 5, it is characterised in that: the charger backplate and the discharge prevention plate pass through Buckle structure receiving is fixed in the accommodation groove.

7. shell according to claim 6, it is characterised in that: the buckle structure includes being convexly equipped in the accommodating groove bottom The first convex block and the second convex block, the charge protection board is fixed between the bottom case and first convex block, the electric discharge Protection board is fastened between the bottom case and second convex block.

8. described in any item shells according to claim 1~7, it is characterised in that: connection is welded or passed through in the cover clamping Part is fixed on the bottom case.

9. a kind of rechargeable battery, it is characterised in that: including the described in any item shells of claim 5~8 and be fixed on the shell The battery core being electrically connected in vivo and with the illuminating part.

10. rechargeable battery according to claim 9, it is characterised in that: set between the battery core and the charger backplate It is equipped with the pinboard series-parallel for each single battery core by the battery core.