CN201134447Y - Battery pack - Google Patents

Abstract

The utility model relates to a battery unit, which comprises a battery body, a contact outer frame and filling gel, wherein two relative sides of the battery body are respectively provided with a electrode plate, a circuit board is arranged on one side close to the two electrode plates, the contact outer frame is in U shape and can be arranged on one side of the battery body having a circuit board, the internal of two relative sides of the contact outer frame are respectively face sides equipped with electrode plates of the battery body to shield the relative electrode plates, the filling gel is filled between the battery body and the contact outer frame by low pressure injection molding to protect the circuit board of the battery body and the electrode plates thereof and fix connection of the contact outer frame and the battery body.

Description

Battery pack

Technical field

The utility model relates to a kind of battery pack, particularly relates to a kind of battery pack with filling colloid of ejection formation.

Background technology

Current electronic industry is flourish, multiple functional and the volume of many mobile communication products is more and more little, and be subjected to liking of more and more people, also because so, people are also more and more higher for the functional requirement of communication product, yet, though these communication products are multiple functional, but its power consumption is also quite surprising, therefore, the user also proposes the requirement of certain degree, for example for employed cell apparatus in the communication product, price, the packing of power supplying efficiency and safety, wherein if the packing of battery seals inadequately, firm, cell apparatus certainly will damage wherein battery and circuit board after collision, make circuit board cause short circuit, or the chemical substance in the battery is overflowed.

Yet, have firm and complete package design in order to make cell apparatus, may adopt hard shell element (as metal etc.), to reach the packing of cell apparatus fail safe, certainly will increase material cost and overall volume, cause dealer's burden.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of battery pack structure, to take into account cell apparatus small size designing requirement, preferable bond strength and the characteristics of fail safe, can avoid increasing the required cost of casing assembly again.

In order to solve the problems of the technologies described above, the utility model provides a kind of battery pack structure, comprise a battery main body and a contact housing, one side of battery main body is provided with a circuit board, circuit board is provided with a plurality of metallic contacts, and the contact housing is arranged at a side of battery main body tool circuit board, and keeps an accommodation space with a side of battery main body tool circuit board, make and fill colloid and riddle in the accommodation space, and coat being connected of this circuit board and fixed contact housing and battery main body.

In addition; among one of the utility model embodiment; two respective side of battery main body are respectively equipped with an electrode slice; and circuit board is located at a side of contiguous these two electrode slices; and the external form of contact housing is the U font; be arranged at a rear flank of battery main body tool circuit board; its two respective side inside is provided with a side of electrode slice respectively in the face of battery main body; to cover pairing electrode slice; be filled between battery main body and the contact housing in the mode of a low-voltage ejection shaping and fill colloid system, to coat and to protect the circuit board and the electrode slice thereof of battery main body.

Above-mentioned contact housing comprises: a lamellar body, described lamellar body is in the face of described circuit board, offer a plurality of openings on it, each described opening mates a described metallic contact respectively, and a lateral edges of described contact housing protrudes a flange, described flange is provided with at least one positioning rib, and described at least one positioning rib is located described circuit board respectively on described flange; Two arm bodies are extended towards the direction of described battery main body respectively by the two ends of described lamellar body, and described two arm body inside are provided with a side of described electrode slice in the face of described battery main body respectively, and cover pairing electrode slice respectively.

In sum; the utility model utilization has the filling colloid of buffering external force and isolated water properties; inject between contact housing and the battery main body; fill in the colloid fully the circuit board of battery main body one side and two electrode package thereof are overlying on; make battery pack by external force collision; or when being splashed moisture; all can effectively protect its circuit board and each electrode; simultaneously; the two respective side inside and the battery main body of contact housing have the filling colloid that is injected between the electrode side; more can strengthen the contact housing and be attached to strength on the battery main body, avoid by external force collision and the battery main body that comes off easily.

Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.

Description of drawings

Fig. 1 is the exploded view of the utility model battery pack;

Fig. 2 a is the schematic diagram after the utility model battery main body and the combination of contact housing;

Fig. 2 b is full of the schematic diagram of filling behind the colloid between the utility model battery main body and contact housing.

The 3rd figure system illustrates the flow chart of the utility model method for making.

Wherein, Reference numeral:

10: battery main body 201: opening

110: battery 202: flange

120: circuit board 203: positioning rib

121: metallic contact 30: fill colloid

130: electrode slice 40: external packing portion

131: insulator 50: accommodation space

20: contact housing 60: gap

21: lamellar body 301-305: step

22: the arm body

Embodiment

Below will clearly demonstrate spirit of the present utility model with icon and detailed description, as the person skilled in the art after understanding embodiment of the present utility model, the technology that can instruct by the utility model, change and modification, it does not break away from spirit of the present utility model and scope.

A kind of battery pack structure of the present utility model can be used on the portable electron device, as: digital camera, mobile phone and personal digital assistant device etc., see also shown in Fig. 1 and Fig. 2 a, the 2b, Fig. 1 is the exploded view of the utility model battery pack; And Fig. 2 a is the schematic diagram after the utility model battery main body and the combination of contact housing; And Fig. 2 b is full of the schematic diagram of filling behind the colloid between the utility model battery main body and contact housing.Battery pack structure mainly can be divided into a battery main body 10, one contact housing 20, one fills a colloid 30 and an external packing portion 40, among the one embodiment, the battery 110 (battery cell) and the circuit board 120 that comprise mutual electric connection in the battery main body 10, two respective side of battery 110 are respectively an anodal and negative pole, and a side of circuit board 120 is provided with a plurality of metallic contacts 121, extremely outside in order to the electric current that transmits battery 110, and circuit board 120 is located at battery 110 and just is being close to it, one side of negative pole, keep a segment distance with battery 110, cause short circuit when avoiding contacting, and with two electrode slices 130 (as: Ni-plate) respectively with battery 110 just, negative pole is electrically connected, make battery 110 just, negative pole can see through corresponding electrode slice 130 and output current to circuit board 120, and circuit board 120 is externally exported its electric current by its metallic contact 121 again.At this moment, cause short circuit, be respectively equipped with an insulator 131 in this part position of being convenient to 110 of each electrode slice 130 and battery in order to make electrode slice 130 unlikely contacts to battery 110.

And contact housing 20 comprises a lamellar body 21 and two arm bodies 22 at least, offer on its median plate body 21 with metallic contact 121 is complementary and a plurality ofly open 201, and each arm body 22 is to be extended in the same direction respectively by the two ends of lamellar body 21, make the external form of contact housing 20 can be rendered as the U font, and a lateral edges of lamellar body 21 protrudes a flange 202 towards the direction that each arm body 22 extends, and flange 202 is provided with at least one positioning rib 203.

Contact housing 20 is capable of being combined in one of battery main body 10 tool circuit boards 120 side, make circuit board 120 rib 203 that is positioned be fixed on the flange 202, and make this lamellar body 21 face circuit board 120, each metallic contact 121 with power circuit board 120 can be revealed in corresponding opening 201 respectively, and two respective side inside of each arm body 22 are provided with a side of electrode slice 130 respectively in the face of battery 110, and cover pairing electrode slice 130, because between lamellar body 21 and the battery 110, the respective side of each arm body 22 and battery 110 are provided with between the side of electrode slice 130, all has a segment distance, therefore, for ease of follow-up description, distance between this address lamellar body 21 and battery 110 is an accommodation space 50, and the distance of calling respectively between the side that each arm body 22 and battery 110 be provided with electrode slice 130 is a gap 60.

And fill colloid 30 is that mode by a low-voltage ejection shaping is filled in above-mentioned accommodation space 50 and each gap 60; coat wherein with abundant circuit board 120 and two electrode slice 130 battery main body 10 1 sides; but protective circuit plate 120 and electrode slice 130 are not subjected to external force collision; buffer circuit plate 120 and electrode slice 130 are not subjected to the infiltration of external moisture yet; simultaneously; filling colloid 30 in each gap 60 more can be strengthened contact housing 20 and be attached at strength on the battery main body 10, avoids being come off easily by external force collision.

Packing department 40 is to be located to reveal on the above-mentioned battery main body 10 surface of filling colloid 30 is arranged in addition; can be a plastics mantle (as: film, gum cover etc.) or patch material (as: paster etc.); provide the data of dispatching from the factory and the survey data of this battery pack in the external packing portion 40; in addition, external packing portion 40 also can provide the effect of strengthening the protection battery pack.

Moreover, the method for making of the utility model battery pack structure, it is shown in Figure 3 to arrange in pairs or groups, and is the flow chart of the utility model method for making.In this embodiment and be exposed in following each step:

Step 301, obtain a battery main body 10:

At first obtain above-mentioned battery 110, circuit board 120, electrode slice 130 and insulating trip, and, it is combined into above-mentioned battery main body 10 according to above-mentioned description;

Step 302, obtain a contact housing 20:

Obtain above-mentioned contact housing 20 earlier, contact housing 20 is made in the ejection formation program by plastics usually;

Step 303 is combined in contact housing 20 side of battery main body 10:

According to above-mentioned description, contact housing 20 is combined in a side of battery main body 10 tool circuit boards 120, make two inboards of contact housing 20 respectively in the face of a side of battery main body 10, and cover its electrode slice 130;

Step 304, the accommodation space 50 that docking point housing 20 and battery main body are 10 injects one and fills the glue material:

The battery main body 10 that can be subdivided into (i) in this step at first needs to have contact housing 20 is put into a low pressure jetting mold; (ii) again a sizing material injection nozzle is aimed at accommodation space 50; (iii) inject and fill the glue material to accommodation space 50 by the sizing material injection nozzle, make that filling the glue material is full of after the accommodation space 50, can be respectively towards gap 60 infiltrations of 110 of each arm body 22 and battery, filling glue material is full of between contact housing 20 and the battery main body 10; (behind the glue material cooling back formation one filling colloid 30 vi) to be filled, and make circuit board 120 be coated in the filling colloid 30 of accommodation space 50, and two electrode slices 130 are coated in the filling colloid 30 in each gap 60; And (v) will have the contact housing 20 and the battery main body 10 of filling colloid 30 and break away from the low pressure jetting mold, to obtain semi-finished product; And

Step 305 is coated on surface of semi-finished with an external packing portion 40:

Utilize above-mentioned plastics mantle or attach material to be coated on surface of semi-finished and to have the part of filling colloid 30, make and fill colloid 30 unlikely damages back and expose circuit board 120 and two electrode slice 130.

So, the above-mentioned structure of the utility model can be filled and part be made battery pack by external force collision, or when being splashed moisture, can effectively protect its circuit board 120 and each electrode, and the operation of its method for making is simple, and assembling is convenient, to improve production capacity.

Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the sharp protection range that requires of the utility model.

Claims (7)

1, a kind of battery pack is characterized in that, comprising:

One battery main body, the one side is provided with a circuit board, and this circuit board is provided with a plurality of metallic contacts;

One contact housing is arranged at a side of the described circuit board of described battery main body tool, and keeps an accommodation space with a side of the described circuit board of described battery main body tool; And

One fills colloid, and riddle described accommodation space and coat described circuit board, and being connected of fixing described contact housing and described battery main body.

2, battery pack according to claim 1 is characterized in that, two respective side of described battery main body are respectively equipped with an electrode slice.

3, battery pack according to claim 2 is characterized in that, described contact housing is the U font, and two respective side inside of described contact housing are provided with a side of described electrode slice in the face of described battery main body respectively, and covers pairing electrode slice respectively.

4, battery pack according to claim 2 is characterized in that, described contact housing comprises:

One lamellar body, described lamellar body is in the face of described circuit board, offer a plurality of openings on it, each described opening mates a described metallic contact respectively, and a lateral edges of described contact housing protrudes a flange, described flange is provided with at least one positioning rib, and described at least one positioning rib is located described circuit board respectively on described flange;

Two arm bodies are extended towards the direction of described battery main body respectively by the two ends of described lamellar body, and described two arm body inside are provided with a side of described electrode slice in the face of described battery main body respectively, and cover pairing electrode slice respectively.

According to claim 2,3 or 4 described battery pack, it is characterized in that 5, described filling colloid is distributed in the described accommodation space by the mode of a low-voltage ejection shaping.

6, according to claim 1,2,3 or 4 described battery pack, it is characterized in that, also comprise an external packing portion, described external packing portion is located at reveals the surface that described filling colloid is arranged on the described battery main body.

7, battery pack according to claim 6 is characterized in that, described external packing portion is that a plastics mantle or attaches material.

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