CN206878117U

CN206878117U - Easy-to-mount Li-ion batteries piles

Info

Publication number: CN206878117U
Application number: CN201720511495.3U
Authority: CN
Inventors: 张秋玉
Original assignee: Tianjin Lishen Special Power Supply Technology Co Ltd
Current assignee: Tianjin Lantian Special Power Technology Co ltd
Priority date: 2017-05-10
Filing date: 2017-05-10
Publication date: 2018-01-12
Anticipated expiration: 2027-05-10

Abstract

The utility model discloses a kind of easy-to-mount Li-ion batteries piles, include the plastic frame of the formation battery locating slot in hollow housing, two relative outer walls of the plastic frame are provided with positioning convex strip, including upper raised line and lower raised line, the position of the inwall of the corresponding hollow housing has the upper groove and low groove coordinated with the upper raised line and lower raised line, and the depth of the upper groove and low groove is less than the height of the upper raised line and lower raised line.The utility model facilitates the dismounting of battery, and the battery good positioning effect in battery pack, under by impulsive force, good cushioning effect can be played very much, it can effectively prevent that battery damage is bad, and can be effectively ensured to connect to disconnect because of external impact between battery cell and electrode tip holder and contact.

Description

Easy-to-mount Li-ion batteries piles

Technical field

Technical field of lithium ion is the utility model is related to, more particularly to a kind of easy-to-mount lithium ion battery Group.

Background technology

Lithium ion battery have voltage it is high, it is higher than energy, recycle often, storage time is long, size is small etc. on year-on-year basis Advantage, on a portable electronic device such as mobile phone, bluetooth earphone, MP3, MP4, MP5, DV and laptop computer It is widely applied.With end product function increase and lightness, small volume, matter are proposed to lithium-ions battery group Amount is light, the requirement of the independently detachable replacing of battery cell.

Because 18650 cylindrical batteries have high energy density per unit volume, so application field is more and more wider, but it is applied to The Li-ion batteries piles in these fields are directly that cell monomer is carried out into connection in series-parallel by nickel strap mostly, and battery bag is direct It is placed in battery compartment, the electrical connection between battery and complete machine connects by soldering, not easy to remove and replacement.The structure of this battery pack Mode is unsuitable for important events use, when battery electric quantity deficiency, it is impossible to the battery of backup is replaced at any time, after only charging again Complete machine can just reuse, inconvenient for use.

A kind of lithium ion is disclosed in technological document disclosed in the patent CN201420805895.1 that applicant applies for this Battery pack, but the battery case in the technology is formed on a plastic frame, i.e., plastic frame is inserted in hollow housing, electricity Pond groove and neck are formed on plastic frame.Occur thus, it is possible to prevent battery cell damaged between each battery cell short Road, but in specific application, the plastic frame can not position with hollow housing well, cause to stablize in use Ground self-contained battery plastic frame, and the fine fixation that battery can not obtain in locating slot, cause list can occur in use Body battery cannot be guaranteed reliably to contact with the connection of electrode tip holder.

Utility model content

The purpose of this utility model is to be directed to technological deficiency present in prior art, and provides a kind of easy-to-mount lithium Ion battery group.

Technical scheme is used by realize the purpose of this utility model：

A kind of easy-to-mount Li-ion batteries piles, including shell, it includes the hollow housing of both ends open, closing one First lid of the opening, the output face for closing the second of another opening top surface for covering and covering the hollow housing Plate；Cathode traces unit, itself and the described first lid connect, including cathode traces plate, be connected with the cathode traces plate it is multiple Negative probe base and the negative probe on the negative probe base；Cathode circuit unit, itself and described second lid Connection, including cathode circuit plate, multiple positive probe bases for being connected with the cathode circuit plate and installed in positive pole spy Positive probe on pin base；Multiple battery cells, the battery formed in the plastic frame inserted in hollow housing are determined In the groove of position, and it is connected by the wire that both positive and negative polarity is drawn with forming the accessory power outlet on output slab；It is characterized in that, described Two relative outer walls of plastic frame are provided with positioning convex strip, including upper raised line and lower raised line, the corresponding hollow housing The position of inwall there is the upper groove and low groove coordinated with the upper raised line and lower raised line, and the upper groove and low groove Depth be less than the height of the upper raised line and lower raised line.

The inwall of the battery locating slot is provided with battery protection glue-line, and the inwall of the battery locating slot is covered comprehensively Lid.

Through hole is arranged at the bottom of the battery locating slot, for positive probe base and on positive probe base just Pole probe penetrates to be connected with the positive pole of battery.

Battery locating slot heat emission hole, the shell of the hollow housing are furnished with the battery protection glue-line and plastic frame There is heat emission hole on wall.

The utility model facilitates the dismounting of battery, and the battery good positioning effect in battery pack, under by impulsive force, energy Good cushioning effect is played very much, can effectively prevent that battery damage is bad, and can be effectively ensured between battery cell and electrode tip holder and connect Contact will not be disconnected because of external impact, is had great importance.

Brief description of the drawings

Fig. 1 is the appearance schematic diagram of Li-ion batteries piles provided by the utility model；

Fig. 2 is the decomposition texture schematic diagram of Li-ion batteries piles provided by the utility model；

Fig. 3 show the schematic side view of the plastic frame of battery positioning provided by the utility model；

Fig. 4 show the schematic diagram of the locating slot on the inwall of hollow housing.

Embodiment

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place The specific embodiment of description only to explain the utility model, is not used to limit the utility model.

As shown in Figure 1-2, a kind of easy-to-mount Li-ion batteries piles, there is shell 10, cathode traces unit 20, positive pole Circuit unit 30, multiple battery cells 40, shell 10 include the hollow housing 11 of both ends open, first lid of one opening of closing 12nd, the output slab 14 of the second lid 13 for closing another opening and the top surface for covering hollow housing 11；Cathode traces unit 20 are connected with the first lid 12, multiple negative poles that cathode traces unit 20 includes cathode traces plate 21, is connected with cathode traces plate 21 Probe base 22 and the negative probe 23 on negative probe base 22；Cathode circuit unit 30 is connected with the second lid 13, Cathode circuit unit 30 includes cathode circuit plate 31, the multiple positive probe bases 32 being connected with cathode circuit plate 31 and is arranged on Positive probe (not shown) on positive probe base 32.Multiple battery cells 40 by negative probe 23, cathode traces plate 21, Touched with cathode traces plate 21 be connected in neck 111 possessed by hollow housing 11 house linking probe 50, with being connected The wire (not shown) of the connection of probe 50, the cathode circuit plate 31 being connected with wire and positive probe carry out company in series or in parallel Connect, the wire drawn from the both positive and negative polarity of battery cell connected in series or in parallel is with forming the accessory power outlet on output slab 14 140 connections.Above and Fig. 1-2 show prior art, and structure is specifically described in detail, refers to patent This is no longer described in detail for CN201420805895.1 disclosures, this specification.

Li-ion batteries piles disclosed in patent CN201420805895.1, multiple battery cells are respectively contained in battery case In, it is connected respectively with cathode traces unit and cathode circuit unit at the both ends of battery cell, the negative electricity of cathode traces unit The cathode circuit plate of road plate and cathode circuit unit is connected in series or parallel by linking probe, and linking probe is formed in On empty capsid, the connection in series-parallel touched and formed between positive and negative electrode circuit plate with cathode traces plate or cathode circuit plate is connected.So as to When using this battery pack, if battery electric quantity is insufficient, it can unload and be connected with cathode traces unit or cathode circuit unit Shell first lid or second lid, it becomes possible to from battery pack take out battery cell changed, with after changing installation first lid or Second lid, the battery after replacing can just be carried out by touching between cathode traces plate or cathode circuit plate and linking probe Connection in series-parallel connects and forms battery pack.

Wherein, there is the plastic frame 112 of battery positioning in hollow housing, the body of the plastic frame 112 is One positioning sleeve, inside have corresponding battery locating slot 115, and through hole 110 is arranged at the bottom of battery locating slot, for positive probe bottom Seat 32 and the positive probe on positive probe base 32 are penetrated and are connected with the positive pole of battery；The set battery in battery case Monomer, on the cathode traces plate of cathode traces unit, corresponding to one end of each battery cell, connected by negative probe seat There are multiple negative probes for being connected respectively with each battery cell.Equally, corresponding to cathode traces unit, in cathode circuit On the cathode circuit plate of unit, corresponding to the other end of each battery cell, by positive probe seat be connected with for it is each Multiple positive probes that battery cell connects respectively, the cathode traces plate of cathode traces unit and the positive pole electricity of cathode circuit unit Linking probe in the neck that road plate has being contained in hollow housing is connected in series or parallel in a manner of touching.

One end of the plastic frame 112 is formed with described neck 111, as the improvement of patent disclosed above, ginseng As shown in Figure 3, the utility model proposes being provided with positioning convex strip on the outer wall of plastic frame 112, including upper raised line 113 is with Raised line 114, the position of the inwall of the corresponding hollow housing have the upper groove 116 coordinated with the upper raised line and lower raised line With low groove 117, and the depth of the upper groove and low groove is less than the height of the upper raised line and lower raised line, is achieved in that institute State after raised line and lower raised line are arranged in the upper groove and low groove and between the upper groove and low groove formed with Space.It can so realize that plastic frame preferably positions with hollow housing, and position and fix during ease of assembly.

Described positioning convex strip can be by screw stitching on plastic frame or on plastic frame prefabricated neck The installation flexibly positioned raised line come.

Further, shown in Figure 3, the inwall of the battery locating slot is provided with battery protection glue-line 116, by described in The inwall of battery locating slot covers comprehensively, so can further protect battery, prevents battery from being moved in battery locating slot It is dynamic, it is therefore prevented that the problem of causing battery cell to be connected failure with electrode tip holder because mobile.

Wherein, the battery protection glue-line uses PVB films or EVA films, can so battery cell is determined with battery It is in close contact between the groove of position without loosening and can utilize the elastic reaction of film, buffer protection when playing external impact is made With.

Further, the battery protection glue-line and plastic frame on be furnished with battery locating slot heat emission hole 119, can be with It is multiple, shape is in a row or multiple rows of, avoids the position of the upper raised line 113 and lower raised line 114 and is located in relative side wall, For the radiating of the battery of inside, heat caused by such battery work can shed from the locating slot heat emission hole, from Formed between the plastic frame and hollow housing space outflow, then the heat emission hole 118 on the shell wall through hollow housing with Outside air exchanges the needs for realizing radiating, ensure that radiating during battery work, and battery pack plays a protective role, prevents from overheating Influence.

Described above is only preferred embodiment of the present utility model, it is noted that for the general of the art For logical technical staff, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these change Enter and retouch and also should be regarded as the scope of protection of the utility model.

Claims

1. a kind of easy-to-mount Li-ion batteries piles, including shell, it includes one hollow housing of both ends open, closing institute State the first lid of opening, close the output face of the second of another opening top surface for covering and covering the hollow housing Plate；Cathode traces unit, itself and the described first lid connect, including cathode traces plate, be connected with the cathode traces plate it is multiple Negative probe base and the negative probe on the negative probe base；Cathode circuit unit, itself and described second lid Connection, including cathode circuit plate, multiple positive probe bases for being connected with the cathode circuit plate and installed in positive pole spy Positive probe on pin base；Multiple battery cells, the battery formed in the plastic frame inserted in hollow housing are determined In the groove of position, and it is connected by the wire that both positive and negative polarity is drawn with forming the accessory power outlet on output slab；It is characterized in that, described Two relative outer walls of plastic frame are provided with positioning convex strip, including upper raised line and lower raised line, the corresponding hollow housing The position of inwall there is the upper groove and low groove coordinated with the upper raised line and lower raised line, and the upper groove and low groove Depth be less than the height of the upper raised line and lower raised line.

2. easy-to-mount Li-ion batteries piles as claimed in claim 1, it is characterised in that on the inwall of the battery locating slot Provided with battery protection glue-line, the inwall of the battery locating slot is covered comprehensively.

3. easy-to-mount Li-ion batteries piles as claimed in claim 1, it is characterised in that the bottom of the battery locating slot There is through hole, penetrate for positive probe base and the positive probe on positive probe base and be connected with the positive pole of battery.

4. easy-to-mount Li-ion batteries piles as claimed in claim 2, it is characterised in that the pond protection glue-line and modeling Battery locating slot heat emission hole is furnished with material frame frame, has heat emission hole on the shell wall of the hollow housing.