CN208622887U - A kind of split type BMS protection board of lithium battery group - Google Patents
A kind of split type BMS protection board of lithium battery group Download PDFInfo
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- CN208622887U CN208622887U CN201821162529.3U CN201821162529U CN208622887U CN 208622887 U CN208622887 U CN 208622887U CN 201821162529 U CN201821162529 U CN 201821162529U CN 208622887 U CN208622887 U CN 208622887U
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- mounting plate
- information acquisition
- module
- acquisition device
- line driver
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a kind of split type BMS protection boards of lithium battery group, including the first mounting plate, analog line driver, top plate and bottom plate, bolt, the second mounting plate, information acquisition device, groove, combination hub, connector, line row, controller module, power module, A/D conversion module, temperature sensor module, current detection module and voltage detection module.Pass through the first mounting plate of setting and the second mounting plate, and the inside difference installation power driver and information acquisition device of two mounting plates, so that both analog line driver and information acquisition device are installed separately, since analog line driver is easy to produce heat at work, heat is easy to influence the temperature inside battery case, information acquisition device does not generate heat when working, to which analog line driver is mounted on outside battery pack box, and information acquisition device is mounted in battery pack box, it is installed separately and avoids the fever of protection board drive part and cause the raising of battery pack the temperature inside the box, also facilitate the replacement of analog line driver.
Description
Technical field
The utility model relates to a kind of protection board, specially a kind of split type BMS protection board of lithium battery group belongs to electric vehicle
Technical field.
Background technique
Lithium battery group BMS protection board, referred to as " protection board ", either the distributing of discrete component monitors or integrates electricity
Road chip centralized monitoring is all made of " infomation detection " and " power drive " two parts circuit.Present general protection board one
As this two parts is all integrally formed circuit board.In fact in use, " infomation detection " is general, when work substantially not
Fever；And " power drive " be it is uncurrent, small to several amperes, greatly to several hundred upper kiloamperes, when work, generates heat highly significant.It can
See here there are problems that two: first is that heat problem, the position of protection board, for convenient for easy to connect with the lead of each battery core group,
Protection board is all placed in battery case, against the battery core of arrangement.The heat direct baking battery core that power component when its work distributes,
And it deposits in the case, entire battery pack is made to heat up.If small-power driving is also put up with, but can not if slightly bigger power
It is small to peep.Less serious case's temperature rise is violent, and high temperature is caused to power off, and electric vehicle is unable to normally travel；Severe one protection board high temperature failure is even burnt,
Cause lithium battery explosion on fire serious accident, in the serious accident for the lithium battery explosion on fire having occurred and that, have half with
On be all caused by this reason.Second is that in biggish power drive, the power that common metal-oxide-semiconductor can carry is not yet
It is able to satisfy, it is necessary to which at this moment the relay or IGBT or silicon controlled module for using high-power large volume are impossible to be put into battery case
It is interior, objectively this can only be also partially disposed in outside battery case.
Utility model content
The purpose of this utility model is that solve the protection board of above-mentioned monoblock type its drive part and generate heat in the case,
It can not be mounted in battery case in the presence of the big fever severity of the volume using unsafe hidden danger and Great Power Driver, Yi Jizhen
To in protection board, although the feature that its detection part of driving power difference is identical, facilitates the dismounting and change of drive part and mentions
The split type protection board of this lithium battery group supplied.
The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of split type BMS protection of lithium battery group
Plate, including the first mounting plate, analog line driver, the second mounting plate and information acquisition device, the analog line driver are mounted on described
The inside of first mounting plate, the information acquisition device are mounted on the inside of second mounting plate, and the one of the analog line driver
End setting combination hub, one end of the information acquisition device connect several lines row, the other end of line row by connector with
Combination hub is connected, and the inside of first mounting plate and second mounting plate is respectively provided with top plate and bottom plate, and the top plate is logical
Several bolts are crossed to be connected with the bottom plate；Controller module, the controller mould is arranged in the inside of the information acquisition device
One end of block connects power module, and the other end of the controller module connects A/D conversion module, the A/D conversion module point
It is not connected with temperature sensor module, current detection module and voltage detection module.
Preferably, groove is arranged in top one end of first mounting plate, and the combination hub is mounted on the interior of the groove
Portion.
Preferably, the size of the analog line driver and information acquisition device is respectively smaller than the first mounting plate and the second mounting plate
Size.
Preferably, the A/D conversion module is used for temperature sensor module, current detection module and voltage detection module
The analog signal detected is converted to digital data transmission to controller module.
Preferably, several metal-oxide-semiconductors are installed in the inside of the analog line driver.
Preferably, the analog line driver is arranged by line and is connected with the inside metal-oxide-semiconductor of the analog line driver.
Compared with prior art, the utility model has the beneficial effects that
1, by the first mounting plate of setting and the second mounting plate, and installation power driver is distinguished in the inside of two mounting plates
And information acquisition device, so that both analog line driver and information acquisition device are installed separately, since analog line driver holds at work
It is also easy to produce heat, heat is easy to influence the temperature inside battery case, and information acquisition device does not generate heat when working, to need function
Rate driver is fixed on the outside of battery case, and information acquisition device is fixed on the inside of battery case, and being installed separately can protect in this way
The temperature inside battery case is demonstrate,proved, and is convenient for the maintenance and replacement of analog line driver.
2, the utility model is easy to use, compact-sized, recessed by the way that groove is arranged on the top plate inside the first mounting plate
Slot can expose the combination hub on analog line driver, and combination hub matches with connector specification, and if connector by
Dry root line row is connected with information acquisition device so that it is convenient to connection between information acquisition device and analog line driver, and for
The big electric automobile lithium battery of electric current is needed using Great Power Driver, and the power that common metal-oxide-semiconductor can carry is not yet
It is able to satisfy, it is necessary to which the relay, IGBT or silicon controlled module for using high-power large volume are mounted on the power outside battery case and drive
Dynamic device can be replaced by removing connector, and analog line driver is avoided to burn out because electric current is excessive, and improving lithium battery makes
Safety has the characteristics that large-scale current driver is facilitated to replace.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the information acquisition device built-in system schematic diagram of the utility model.
In figure: 1, first mounting plate, 2, analog line driver, 3, top plate, 4, bottom plate, 5, bolt, the 6, second mounting plate, 7,
Information acquisition device, 8, groove, 9, combination hub, 10, connector, 11, line row, 12, controller module, 13, power module, 14, A/D
Conversion module, 15, temperature sensor module, 16, current detection module, 17, voltage detection module.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
It please refers to shown in Fig. 1-2, a kind of split type BMS protection board of lithium battery group, including the first mounting plate 1, power drive
Device 2, the second mounting plate 6 and information acquisition device 7, analog line driver 2 are mounted on the inside of the first mounting plate 1, and information acquisition device 7 is pacified
Mounted in the inside of the second mounting plate 6, combination hub 9 is arranged in one end of analog line driver 2, and one end connection of information acquisition device 7 is several
The other end of a line row 11, line row 11 are connected by connector 10 with combination hub 9, the first mounting plate 1 and the second mounting plate 6
Inside is respectively provided with top plate 3 and bottom plate 4, and top plate 3 is connected by several bolts 5 with bottom plate 4；The inside of information acquisition device 7 is set
Controller module 12 is set, one end of controller module 12 connects power module 13, and the other end connection A/D of controller module 12 turns
Change the mold block 14, A/D conversion module 14 respectively with 17 phase of temperature sensor module 15, current detection module 16 and voltage detection module
Connection, information acquisition device 7 are used to acquire the state of battery, internal temperature sensor module 15, current detection module 16 and electricity
Pressure detection module 17 is respectively intended to temperature, electric current and the voltage condition of detection electric automobile lithium battery, when the numerical value detected is super
When crossing the normal operating value of battery, analog line driver 2 is controlled by controller module 12, turn-on and turn-off are carried out to lithium battery, from
And protect lithium battery.
Embodiment 2
In addition, referring to Fig.1-2, groove 8 is arranged in top one end of difference and above-described embodiment 1, the first mounting plate 1, patch
Seat 9 is mounted on the inside of groove 8, and groove 8 can expose the combination hub 9 of analog line driver 2, and connector 10 is avoided to exist
Lead to internal row's needle bending, analog line driver 2 and information when on insertion combination hub 9 because of the extruding of top plate 3 and bottom plate 4
The size of collector 7 is respectively smaller than the size of the first mounting plate 1 and the second mounting plate 6, the first mounting plate 1 and the second mounting plate 6
Analog line driver 2 and the installation of information acquisition device 7 is facilitated to fix, A/D conversion module 14 is used for temperature sensor module 15, electricity
Stream detection module 16 and the analog signal that detects of voltage detection module 17 are converted to digital data transmission to controller module 12,
A/D conversion module 14 converts analog signals into the digital signal that controller module 12 can be understood, and guarantees information acquisition device 7
Normal work, the inside of analog line driver 2 installs several metal-oxide-semiconductors, and analog line driver 2 passes through line row 11 and analog line driver
2 inside metal-oxide-semiconductor is connected, and metal-oxide-semiconductor is used to control the turn-on and turn-off of lithium battery, exceeds work in temperature, electric current and voltage
Protection lithium battery is disconnected when value in time.
When the utility model is used, the first mounting plate 1 equipped with analog line driver 2 is fixed on lithium battery box first
Outside, the second mounting plate 6 equipped with information acquisition device 7 is fixed on the inside of lithium battery box, since information acquisition device 7 is general
It does not generate heat substantially when work, therefore will not influence the temperature of lithium battery, and analog line driver 2 is not general, when work, generates heat,
Due to current specification difference, being placed on outside can arbitrarily be replaced, so that analog line driver 2 can be adapted for different size
Lithium battery improves the commercial value of the device, when information acquisition device 7 works lithium battery box inside temperature, electric current and voltage
Acquisition comes out, and when being more than to work normally, is turned off by analog line driver 2 to lithium battery, protects lithium battery.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of split type BMS protection board of lithium battery group, including the first mounting plate (1), analog line driver (2), the second mounting plate
(6) and information acquisition device (7), it is characterised in that: the analog line driver (2) is mounted on the inside of first mounting plate (1),
The information acquisition device (7) is mounted on the inside of second mounting plate (6), and one end setting of the analog line driver (2) connects
Socket (9), one end of the information acquisition device (7) connect several lines row (11), and the other end of the line row (11) is by connecing
Plug-in unit (10) is connected with combination hub (9), and the inside of first mounting plate (1) and second mounting plate (6) is all provided with top set
Plate (3) and bottom plate (4), the top plate (3) are connected by several bolts (5) with the bottom plate (4)；
Controller module (12) are arranged in the inside of the information acquisition device (7), and one end of the controller module (12) connects electricity
The other end of source module (13), the controller module (12) connects A/D conversion module (14), the A/D conversion module (14)
It is connected respectively with temperature sensor module (15), current detection module (16) and voltage detection module (17).
2. the split type BMS protection board of a kind of lithium battery group according to claim 1, it is characterised in that: first installation
Groove (8) are arranged in top one end of plate (1), and the combination hub (9) is mounted on the inside of the groove (8).
3. the split type BMS protection board of a kind of lithium battery group according to claim 1, it is characterised in that: the power drive
The size of device (2) and information acquisition device (7) is respectively smaller than the size of the first mounting plate (1) and the second mounting plate (6).
4. the split type BMS protection board of a kind of lithium battery group according to claim 1, it is characterised in that: the A/D modulus of conversion
Block (14) is used for the simulation for detecting temperature sensor module (15), current detection module (16) and voltage detection module (17)
Signal is converted to digital data transmission and gives controller module (12).
5. the split type BMS protection board of a kind of lithium battery group according to claim 1, it is characterised in that: the power drive
The inside of device (2) is installed by several metal-oxide-semiconductors.
6. the split type BMS protection board of a kind of lithium battery group according to claim 1 or 5, it is characterised in that: the power drives
Dynamic device (2) are connected by line row (11) with the inside metal-oxide-semiconductor of the analog line driver (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821162529.3U CN208622887U (en) | 2018-07-23 | 2018-07-23 | A kind of split type BMS protection board of lithium battery group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821162529.3U CN208622887U (en) | 2018-07-23 | 2018-07-23 | A kind of split type BMS protection board of lithium battery group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208622887U true CN208622887U (en) | 2019-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821162529.3U Active CN208622887U (en) | 2018-07-23 | 2018-07-23 | A kind of split type BMS protection board of lithium battery group |
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|---|---|
| CN (1) | CN208622887U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116505107A (en) * | 2023-06-29 | 2023-07-28 | 深圳市岳松科技有限公司 | Battery BMS protection board and battery pack |
-
2018
- 2018-07-23 CN CN201821162529.3U patent/CN208622887U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116505107A (en) * | 2023-06-29 | 2023-07-28 | 深圳市岳松科技有限公司 | Battery BMS protection board and battery pack |
| CN116505107B (en) * | 2023-06-29 | 2023-09-08 | 深圳市岳松科技有限公司 | Battery BMS protection board and battery pack |
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