CN206893697U - A kind of module connecting device - Google Patents

Abstract

The utility model discloses a kind of module connecting device, for connecting two battery modules, including the first conductive plate and the second conductive plate；First conductive plate and the second conductive plate are electrically connected with；First conductive plate offers some first through hole, and the second conductive plate offers some and one-to-one second through hole of first through hole；One the first shell fragment of connection in each first through hole, each second through hole one the second shell fragment of interior connection；The negative or positive electrode of each first shell fragment cell corresponding with one of battery modules is connected；The negative pole or positive pole of each second shell fragment cell corresponding with another battery modules are connected；Each first shell fragment is provided with a felt pad, and felt pad is located at the first shell fragment close to the side of the second shell fragment and is resisted against on corresponding second shell fragment.The beneficial effects of the utility model are：Stable connection, conveyance capacity and equalization performance are good.

Description

A kind of module connecting device

【Technical field】

It the utility model is related to cell art, more particularly to a kind of module connecting device.

【Background technology】

As energy crisis and environmental problem are increasingly serious, in country under the vigorously supporting of new energy industry, power electric Pond key technology is progressively ripe, and all kinds of electrokinetic cells are widely used to electric vehicle, communication terminal product and energy storage etc. On product.Country promotes to replace the module of copper stud to connect dress with nickel plate to the requirement more and more higher of electrokinetic cell energy force density Put and arisen in electric automobile lightweight campaign.But existing module connecting device has the disadvantage that：1st, spot welding, Sealing-off phenomenon easily occurs during assembling and use so that percentage of batteries leaves unused, and reduces the whole volume of battery modules；3、 The both positive and negative polarity spot welding contact of nickel plate and cell is inconsistent, causes battery modules harmonious poor, influences the life-span of battery modules； 4th, in assembling process, because the locating groove of branch frame peripheral has mismachining tolerance, the nickel plate after assembling between module can not be complete Fitting, influences overall longitudinal conveyance capacity.

In view of above drawback, is necessary to provide a kind of module connecting device in fact to overcome disadvantages described above.

【Utility model content】

The utility model provides a kind of module connecting device, and stable connection, conveyance capacity and equalization performance are good.

To achieve these goals, the utility model provides a kind of module connecting device, for connecting two battery modules, Including the first conductive plate and the second conductive plate；First conductive plate is electrically connected with second conductive plate；Described first leads Electroplax offers some first through hole, and second conductive plate offers some logical with the first through hole one-to-one second Hole；One the first shell fragment of connection in each first through hole, each second through hole one the second shell fragment of interior connection；Each first shell fragment The negative or positive electrode of a cell corresponding with one of battery modules is connected；Each second shell fragment and another electricity The negative pole or positive pole of one cell of correspondence of pond module are connected；Each first shell fragment is provided with a felt pad, described exhausted Edge pad is located at first shell fragment close to the side of second shell fragment and is resisted against on corresponding second shell fragment.

In a preferred embodiment, the battery modules include some cells and positioned at the cells two The support at end, each support offer the perforate that some negative or positive electrodes for the cell pass through.

In a preferred embodiment, first shell fragment and second shell fragment are snail shape and can It is movable in corresponding first through hole and corresponding second through hole respectively.

In a preferred embodiment, the battery modules attachment means also include the 3rd conductive plate, and the described 3rd leads Electroplax is between first conductive plate and second conductive plate and is electrically connected with first conductive plate and described second Conductive plate.

In a preferred embodiment, some and first conductive plate first is offered on the 3rd conductive plate The one-to-one third through-hole of through hole.

In a preferred embodiment, the thickness of the felt pad is more than the thickness of the 3rd conductive plate, Mei Ge The third through-hole of felt pad through the 3rd conductive plate on one shell fragment contacts with corresponding second shell fragment.

In a preferred embodiment, the 3rd conductive plate is thermal setting conductive offset plate.

In a preferred embodiment, first conductive plate and second conductive plate are nickel plate.

Compared with prior art, a kind of beneficial effect of module connecting device provided by the utility model is：Using exhausted Edge pad strengthens nickel plate and the connection of cell negative or positive electrode, and integral bonding attachment is consolidated with reference to thermal setting conductive glue It is fixed, there is the characteristics of stable connection, conveyance capacity and equalization performance are good.

【Brief description of the drawings】

Fig. 1 is structure decomposition figure when the utility model module connecting device connects battery modules.

Fig. 2 is the sectional view of the single cell connection of the utility model module connecting device and battery modules.

【Embodiment】

In order that the purpose of this utility model, technical scheme and advantageous effects become apparent from understanding, below in conjunction with attached Figure and embodiment, the utility model is further elaborated.It should be appreciated that described in this specification Embodiment is not intended to limit the utility model just for the sake of explaining the utility model.

As depicted in figs. 1 and 2, a kind of module connecting device provided by the utility model, for connecting two battery modules 40.The module connecting device includes the first conductive plate 10 and the second conductive plate 20.

Specifically, first conductive plate 10 and second conductive plate 20 are electrically connected with, first conductive plate 10 is opened Provided with some first through hole 101, second conductive plate 20 offers some and first through hole 101 one-to-one second Through hole 201.Specifically, each battery modules 40 include some cells 401 and for fix the cell 401 and Support 402 positioned at the both ends of cell 401.Each support 402, which offers, some is being used for the cell 401 just The perforate 405 that pole 403 or negative pole 404 pass through.The first through hole 101 and the second described through hole 201 respectively with the perforate 405 correspond.One the first shell fragment 102 of connection in each first through hole 101, connection one the in each second through hole 201 Two shell fragments 202.The positive pole 403 of each first shell fragment 102 cell 401 corresponding with one of battery modules 40 Or negative pole 404 is connected.The negative pole of each cell 401 corresponding with another battery modules 40 of second shell fragment 202 404 or positive pole 403 be connected.In present embodiment, first shell fragment 102 is corresponding with one of battery modules 40 one When the positive pole 403 of cell 401 is connected, the second shell fragment 202 corresponding to first shell fragment 102 and another battery modules 40 The negative pole 404 of a corresponding cell 401 is connected.

Each first shell fragment 102 is provided with a felt pad 103, and the felt pad 103 is located at first shell fragment 102 and leaned on The side of nearly second shell fragment 202 is simultaneously resisted against on corresponding second shell fragment 202.Specifically, the He of the first shell fragment 102 Second shell fragment 202 is snail shape and can be respectively in corresponding first through hole 101 and corresponding second through hole Movable in 201, the felt pad 103 makes first shell fragment 102 and second shell fragment 202 and corresponding cell 401 Positive pole 403 or negative pole 404 it is closely coupled, it is ensured that the stability of connection.In present embodiment, first conductive plate 10 and institute It is thin nickel plates to state the second conductive plate 20, it is conductive good, corrosion resistance is strong and plasticity is good the features such as.

A kind of module connecting device provided by the utility model also includes the 3rd conductive plate 30.3rd conductive plate 30 Between first conductive plate 10 and second conductive plate 20 and it is electrically connected with first conductive plate 10 and described second Conductive plate 20.Some first through hole 101 with first conductive plate 10 are offered on 3rd conductive plate 30 to correspond Third through-hole 301.Specifically, the 3rd conductive plate 30 is thermosetting Conductive Rubber Blanket, the thickness of the felt pad 103 is big In the felt pad 103 on the thickness of the 3rd conductive plate 30, each first shell fragment 102 through the 3rd conductive plate 30 the Three through holes 301 contact with corresponding second shell fragment 202, it is ensured that first shell fragment 102 and the second bullet at the both ends of felt pad 103 Piece 202 can be brought into close contact with the positive pole 403 or negative pole 404 of corresponding cell 401.When the battery modules 40 work Heat can be produced, the 3rd conductive plate 30 connects first conductive plate 10 and second conductive plate 20 by heat cure It is even closer, prevent from coming off, overall conveyance capacity and equalization performance can be strengthened；The 3rd conductive plate 30 also acts as simultaneously Certain antihunt action, the stability of battery modules 40 is improved to a certain extent.

Module connecting device provided by the utility model, during assembling, first, some felt pads 103 and described first are led First shell fragment 102 of electroplax 10 is corresponded and is fixed on first shell fragment 102；Then, by the 3rd conductive plate 30 It is fixed on first conductive plate 10, the felt pad 103 passes through the corresponding third through-hole 301；Finally, by described Two conductive plates 20 are fixed on the 3rd conductive plate 30 side opposite with first conductive plate 10, and the felt pad 103 is worn The one end for crossing the third through-hole 301 is resisted against on the second shell fragment 202 of second conductive plate 20.When the utility model provides Module connecting device connect two battery modules 40 when, as shown in Fig. 2 first conductive plate 10 is fixed therein an electricity Pond module 40 is used for a support 402 of one end of positive pole 403 of securing unit battery 401, and each first shell fragment 102 tightly pastes On the positive pole 403 of a corresponding cell 401；Second conductive plate 20 is fixed on another battery modules 40 and used In on a support 402 of one end of negative pole 404 of securing unit battery 401, each second shell fragment 202 is tightly attached to corresponding one On the negative pole 404 of cell 401, so as to which two battery modules 40 be electrically connected.

A kind of module connecting device provided by the utility model, nickel plate and cell positive pole or negative are strengthened using felt pad The connection of pole, and integral bonding attachment is fixed with reference to thermal setting conductive glue, there is stable connection, conveyance capacity and harmony Can be good the characteristics of.

The utility model is not restricted to described in specification and embodiment, therefore for the personnel of familiar field For additional advantage and modification is easily achieved, therefore in the universal limited without departing substantially from claim and equivalency range Spirit and scope in the case of, the utility model is not limited to specific details, representational equipment and shown here as with retouching The examples shown stated.

Claims (8)

1. A kind of 1. module connecting device, for connecting two battery modules, it is characterised in that：Led including the first conductive plate and second Electroplax；First conductive plate is electrically connected with second conductive plate；First conductive plate offers some first through hole, Second conductive plate offers some and one-to-one second through hole of the first through hole；Connection one in each first through hole Individual first shell fragment, each second through hole one the second shell fragment of interior connection；Each first shell fragment and pair of one of battery modules The negative or positive electrode of a cell is answered to be connected；Each second shell fragment monomer electricity corresponding with another battery modules The negative pole or positive pole in pond are connected；Each first shell fragment is provided with a felt pad, and the felt pad is located at first shell fragment and leaned on The side of nearly second shell fragment is simultaneously resisted against on corresponding second shell fragment.
2. 2. module connecting device as claimed in claim 1, it is characterised in that：The battery modules include some cells and Support positioned at the cell both ends, each support offer some negative or positive electrodes for the cell and passed through Perforate.
3. 3. module connecting device as claimed in claim 1, it is characterised in that：First shell fragment and second shell fragment are Snail shape and can be movable in corresponding first through hole and corresponding second through hole respectively.
4. 4. module connecting device as claimed in claim 1, it is characterised in that：It is conductive that the module connecting device also includes the 3rd Plate, the 3rd conductive plate is between first conductive plate and second conductive plate and electric connection described first is conductive Plate and second conductive plate.
5. 5. module connecting device as claimed in claim 4, offered on the 3rd conductive plate it is some with it is described first conductive The one-to-one third through-hole of first through hole of plate.
6. 6. module connecting device as claimed in claim 5, it is characterised in that：The thickness of the felt pad is led more than the described 3rd The thickness of electroplax, third through-hole and corresponding second bullet of the felt pad through the 3rd conductive plate on each first shell fragment Piece contacts.
7. 7. module connecting device as claimed in claim 4, it is characterised in that：3rd conductive plate is thermal setting conductive offset plate.
8. 8. module connecting device as claimed in claim 1, it is characterised in that：First conductive plate and second conductive plate It is nickel plate.