Content of the invention
The technical problem to be solved is to provide a kind of convenient handling or change cell, and improves set of cells
The lithium-ion-power cell of safety assemble method and lithium-ion-power cell bag in groups.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is:
A kind of lithium-ion-power cell assemble method in groups, comprises the following steps:
Step 1, will be in a row for multiple cell proper alignment, battery be provided with lug side arrange a connecting plate,
The face local tin plating that connecting plate deviates from lug forms the first conductive region and the second conductive region, the first conductive region and second
Conductive region is mutually not turned on, and the first conductive region corresponds to anode ear side, and the second conductive region corresponds to negative electrode lug side, the
In one conductive region, the anode ear position corresponding to each cell opens up the first bar hole respectively, right in the second conductive region
The second bar hole should be opened up in the negative electrode lug position of each cell respectively, the anode ear of cell passes through the first bar hole
90 ° of bendings are pressed on connecting plate afterwards, and 90 ° of bendings after the negative electrode lug of cell passes through the second bar hole are pressed on connecting plate
On;
Step 2, in the first conductive region be located at the first bar hole both sides be respectively welded one first bonding jumper, second
The both sides being located at the second bar hole in conductive region are respectively welded one second bonding jumper;
Step 3, place the first wire netting coiling body of a rectangular shape between two the first bonding jumpers, at two
The second wire netting coiling body of a rectangular shape, described first wire netting coiling body and the second metal is placed between two bonding jumpers
Net coiling body is formed by wire netting is rear on silica gel strip respectively;
Step 4, above the first wire netting coiling body arrange one first metallic plate, upper in the second wire netting coiling body
Side's setting one second metallic plate, the both sides of the first metallic plate are respectively with two the first bonding jumper releasable connections and by the first wire netting
Coiling body is pressed on connecting plate, and the both sides of the second metallic plate are respectively with two the second bonding jumper releasable connections and by the second metal
Net coiling body is pressed on connecting plate, obtains cell group;
Step 5, outside described cell group, load onto shell, fill added with gold in the gap with shell for the cell
Belong to the low-viscosity (mobile) liquid glue of powder, fire retardant and firming agent, have resilient colloid by being formed after low-viscosity (mobile) liquid adhesive curing;
Step 6, the multiple cell groups obtaining step 5 are sequentially connected composition lithium ion by S-shaped metal connecting sheet
Electrokinetic cell bag, is provided with battery control circuit plate, described battery control circuit plate and first between two neighboring cell group
Metallic plate or the second metallic plate releasable connection, its in one end of described S-shaped metal connecting sheet and two neighboring cell group
In a cell group the first metallic plate releasable connection, the other end of described S-shaped metal connecting sheet and two neighboring monomer
Second metallic plate releasable connection of another cell group in set of cells.
The beneficial effects of the present invention is:Solve the not easily changeable problem of cell after in groups, improve set of cells
Safety.As long as unloading metallic plate and wire netting coiling body during battery replacing cell, lug is straightend just can be fast
Speed takes off the cell needing to change, it is to avoid conventional traditional lug is soldered the defect being connected on existing for tin plating area, electricity
The weight in pond is also lighter, it also avoid the damage wind to sealing at polymer battery core lug in the past traditional soldering tin technique high temperature
Danger and the hidden danger of failure welding rosin joint, improve packaging efficiency.Low viscosity is filled up in gap between cell and shell
Liquid glue is simultaneously solidified into the resilient colloid of tool, this colloidal medium have fire-retardant, lead thermal property, be conducive to cell
Between temperature consistent, there is isolation cell and air contact simultaneously, prevent the generation of thermal runaway, improve the peace of set of cells
Quan Xing.
Specific embodiment
By describing the technology contents of the present invention in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate attached
Figure is explained.
The design of most critical of the present invention is:Using releasable connection mode, cell is assembled in groups, adopt big simultaneously
The electrically conducting manner of area ensure that battery being effectively conducted of electric current in use, thus solving after in groups cell not
Easily changeable problem, improves the safety of set of cells.
Refer to shown in Fig. 1 to Fig. 9, the lithium-ion-power cell assemble method in groups that the present invention provides, walk including following
Suddenly:
Step 1, will be in a row for multiple cell proper alignment, battery be provided with lug side arrange a connecting plate 2,
The face local tin plating that connecting plate 2 deviates from lug forms the first conductive region 20 and the second conductive region 21, the first conductive region
20 and second conductive region 21 be mutually not turned on, the first conductive region 20 corresponds to anode ear 10 side, and the second conductive region 21 is right
Should be in negative electrode lug 11 side, in the first conductive region 20, anode ear 10 position corresponding to each cell opens up first respectively
Bar hole 200, in the second conductive region 21, negative electrode lug 11 position corresponding to each cell opens up the second bar hole respectively
210, the anode ear 10 of cell is pressed on connecting plate 2 through the rear 90 ° of bendings of the first bar hole 200, cell negative
Lug 11 is pressed on connecting plate 2 through the rear 90 ° of bendings of the second bar hole 210;
Step 2, in the first conductive region 20 be located at the first bar hole 200 both sides be respectively welded one first bonding jumper 3,
The both sides being located at the second bar hole 210 in the second conductive region 21 are respectively welded one second bonding jumper 4;
Step 3, place the first wire netting coiling body 5 of a rectangular shape between two the first bonding jumpers 3, at two
The second wire netting coiling body 6 of a rectangular shape, described first wire netting coiling body 5 and is placed between second bonding jumper 4
Two wire netting coiling bodies 6 are formed by wire netting is rear on silica gel strip respectively;
Step 4, above the first wire netting coiling body 5 arrange one first metallic plate 7, in the second wire netting coiling body 6
Top one second metallic plate 8 is set, the both sides of the first metallic plate 7 are respectively with the releasable connection of two the first bonding jumpers 3 and by the
One wire netting coiling body 5 is pressed on connecting plate 2, the both sides of the second metallic plate 8 respectively with the releasable connection of two the second bonding jumpers 4
And the second wire netting coiling body 6 is pressed on connecting plate 2, obtain cell group;
Step 5, outside described cell group, load onto shell, fill added with gold in the gap with shell for the cell
Belong to the low-viscosity (mobile) liquid glue of powder, fire retardant and firming agent, have resilient colloid by being formed after low-viscosity (mobile) liquid adhesive curing;
Step 6, the multiple cell groups obtaining step 5 are sequentially connected composition lithium ion by S-shaped metal connecting sheet 9
Electrokinetic cell bag, is provided with battery control circuit plate 90 between two neighboring cell group, described battery control circuit plate 90 with
First metallic plate 7 or the second metallic plate 8 releasable connection, one end of described S-shaped metal connecting sheet 9 and two neighboring cell group
In one of cell group the first metallic plate 7 releasable connection, the other end of described S-shaped metal connecting sheet 9 with adjacent
Second metallic plate 8 releasable connection of another cell group in two cell groups.
In the above-described embodiment, multiple cell anode ears 10 are respectively positioned on the same side with negative electrode lug 11, multiple positive poles
Ear 10 lines up same row after passing through the first bar hole 200, and multiple negative electrode lugs 11 line up another row after passing through the second bar hole 210,
90 degree of these lug bendings, lean against tin plating region (i.e. the first conductive region 20 and second conductive region of connecting plate 2 after pressing
21) assemble wire netting coiling body (i.e. the first wire netting coiling body 5 and the second wire netting coiling body 6), more above it, then by big
Electric current conflux metallic plate (i.e. the first metallic plate 7 and the second metallic plate 8) tightly push down compression wire netting coiling body it is ensured that battery exists
During use, from lug to wire netting coiling body being effectively conducted to the bonding jumper that confluxes again, this technical scheme changes monomer to electric current
As long as unloading metallic plate and wire netting coiling body during battery, lug being straightend and just can quickly take off the monomer electricity needing to change
Pond, it is to avoid conventional traditional lug is soldered the defect existing in tin plating area, the weight of battery also lighter (because decreasing
The consumption of heavy stannum), it also avoid in the past traditional soldering tin technique high temperature and the sealing at polymer battery core lug is damaged
Bad risk.It is further proposed that for the safety improving set of cells, the gap with shell for the cell being filled up liquid and is situated between
Matter (low-viscosity (mobile) liquid glue) is simultaneously solidified into the resilient colloid of tool, this colloidal medium have fire-retardant, lead thermal property, favorably
Temperature between cell is consistent, has isolation cell and air contact simultaneously, prevents the generation of thermal runaway, improves
The safety of set of cells.This colloidal medium plays fixation to cell simultaneously, prevents from vibrating the impact to battery.
Knowable to foregoing description, the beneficial effects of the present invention is:Solve after in groups that cell is not easily changeable asks
Topic, improves the safety of set of cells.As long as unloading metallic plate and wire netting coiling body during battery replacing cell, by pole
Ear straightens and just can quickly take off the cell needing to change, it is to avoid conventional traditional lug is soldered and is connected on institute of tin plating area
The defect existing, the weight of battery is also lighter, it also avoid in the past traditional soldering tin technique high temperature to polymer battery core lug
The damage risk of place's sealing.Fill up low-viscosity (mobile) liquid glue being solidified in gap between cell and shell to have
The colloid of elasticity, this colloidal medium have fire-retardant, lead thermal property, be conducive to temperature between cell consistent, have simultaneously
There are isolation cell and air contact, prevent the generation of thermal runaway, improve the safety of set of cells.
Further, described connecting plate 2 is epoxy copperplate.
Further, described first bonding jumper 3, the material of the second bonding jumper 4, the first metallic plate 7 and the second metallic plate 8 are
Copper nickel-plated sheet.
Further, described wire netting is antioxidation copper mesh.
Further, the height of described first wire netting coiling body 5 is more than the height 1~2mm of the first bonding jumper 3, described
The height of the second wire netting coiling body 6 is more than the height 1~2mm of the second bonding jumper 4.
Further, described first bonding jumper 3 and the first metallic plate 7 are correspondingly arranged on the first screwed hole, described first
The both sides of metallic plate 7 are locked on the first bonding jumper 3 by bolt, nut and spring shim respectively;Described second bonding jumper 4
With the second screwed hole is correspondingly arranged on the second metallic plate 8, the both sides of described second metallic plate 8 pass through respectively bolt, nut with
And spring shim is locked on the second bonding jumper 4.
Seen from the above description, the beneficial effects of the present invention is:Using thread connecting mode, it is easy to dismount and changes.
Further, described metal powder is aluminium powder, and described low-viscosity (mobile) liquid glue is silica gel or ethylene-propylene diene copolymer.
Further, right respectively on the two ends of described S-shaped metal connecting sheet 9 and the first metallic plate 7 and the second metallic plate 8
Screwed hole should be provided with, the two ends of described S-shaped metal connecting sheet 9 pass through bolt, nut and spring shim and the first gold medal respectively
Belong to plate 7 and the second metallic plate 8 releasable connection.
Seen from the above description, the beneficial effects of the present invention is:Using thread connecting mode, it is easy to dismount and changes.
Further, described battery control circuit plate 90 is vertically arranged between two neighboring cell group, described electricity
It is correspondingly arranged on screwed hole, described battery control circuit plate in pond control board 90 and the first metallic plate 7 or the second metallic plate 8
90 pass through bolt, nut and spring shim and the first metallic plate 7 or the second metallic plate 8 releasable connection.
Seen from the above description, the beneficial effects of the present invention is:Using thread connecting mode, it is easy to dismount and changes.
Refer to shown in Fig. 1 to Fig. 9, embodiments of the invention one are:
The present embodiment completes the lithium-ion-power cell assemble method in groups of 2 tons of logistic cars, this assembled battery total voltage 336V,
Total capacity 166.7Ah, first completes the batteries in parallel connection group (capacity 166.7Ah) of 24 cells (capacity 7Ah) in groups, including
Following steps:
(1) make one side selectivity to be coated with stannum (tin plating formation the first conductive region 20 and the second conductive region 21) and carry
The ring of multiple elongate holes (the first bar hole 200 and the second bar hole 210, the effect in this hole is passing through for battery pole ear)
Oxygen copper-clad plate connecting plate 2, connecting plate 2 also carries 4 bonding jumper (the first bonding jumper 3 and the second bonding jumpers carrying screwed hole
4, bonding jumper material is copper nickel plating, as follows), wherein 2 (the first bonding jumpers 3) are applied to confluxing of positive pole, another 2 (second
Bonding jumper 4) it is applied to confluxing of negative pole, the first bonding jumper 3 is weldingly fixed on the both sides of the first bar hole 200 on connecting plate 2,
Second bonding jumper 4 is weldingly fixed on the both sides of the second bar hole 210 on connecting plate 2, and bonding jumper carries multiple screwed holes.Separately
Prepare 2 pieces of the metallic plate (the first metallic plate 7 and the second metallic plate 8) with two rounds, be respectively used to compress the first metal net volume
Around body 5 and the second wire netting coiling body 6.
(2) antioxidation copper mesh is wound (with silica gel strip as axle) on silica gel strip and is fabricated to rectangular shape
First wire netting coiling body 5 and the second wire netting coiling body 6.
(3) anode ear 10 of multiple cells and negative electrode lug 11 are inserted corresponding positive pole pole on connecting plate 2 respectively
After earhole (the first bar hole 200) and negative lug hole (the second bar hole 210), with the object of strip by all for entire row monomers
After 90 degree of the lug bending of battery, lug is driven plain tin plating region (the first conductive region 20 and the second conduction on connecting plate 2
Region 21) surface.
(4) wire netting coiling body is placed on above the lug being bent and flattening, the height of wire netting coiling body will height
In its both sides bonding jumper 1 to 2mm.
(5) metallic plate with two rounds is pressed in above wire netting coiling body, will with bolt nut and spring shim
The metallic plate of two rounds is locked on bonding jumper, and then wire netting coiling body and monocell lug and bonding jumper have larger connecing
Touch and good conductive effect.
The hole on metallic plate in (6) (5th) steps and the screwed hole on corresponding bonding jumper some be used for self-contained battery control
Circuit board 90 (the equalizing circuit plate in battery management circuit (abbreviation BMS)) processed, the hole at two ends and screwed hole be used for series connection or simultaneously
Combination.
(7) load onto shell outside cell group, and fill up in the gap of cell and shell added with aluminium powder,
The low-viscosity (mobile) liquid silica gel of fire retardant and firming agent, it is voluntarily solidified into the resilient colloid of tool, this colloid after the addition for 4 hours
Medium have fire-retardant, lead thermal property, be conducive to the temperature one between cell to make peace and transfer out the heat of battery, have simultaneously
The isolation contact with air for the cell, prevents the generation of battery thermal runaway, improves the safety of set of cells.This elastic gel is situated between
Matter plays fixation to cell simultaneously, prevents from vibrating the impact to battery, micro- when circulating battery will not be used simultaneously
Little expansion and contraction impact.
(8) after the parallel connection in groups of above cell, then with S-shaped metal connecting sheet 9, it is connected.With S-shaped gold
Belong to while connection sheet 9 is connected and carry out corresponding connection with battery control circuit plate 90.
In sum, the lithium-ion-power cell assemble method in groups that the present invention provides, solves cell after in groups
Not easily changeable problem, improves the safety of set of cells.As long as unloading metallic plate and metal during battery replacing cell
Net coiling body, lug is straightend and just can quickly take off the cell needing to change, it is to avoid conventional traditional lug is by stannum
It is welded on the defect existing for tin plating area, the weight of battery is also lighter, it also avoid in the past traditional soldering tin technique high temperature to poly-
The damage risk of sealing at compound cell core lug.Low-viscosity (mobile) liquid glue is filled up simultaneously in gap between cell and shell
Be solidified into tool resilient colloid, this colloidal medium have fire-retardant, lead thermal property, be conducive to the temperature between cell
Degree is consistent, has isolation cell and air contact simultaneously, prevents the generation of thermal runaway, improves the safety of set of cells.
The foregoing is only embodiments of the invention, not thereby limit the present invention the scope of the claims, every using this
The equivalents that bright description and accompanying drawing content are made, or directly or indirectly it is used in the technical field of correlation, all include in the same manner
In the scope of patent protection of the present invention.