CN207758584U - Battery management module - Google Patents
Battery management module Download PDFInfo
- Publication number
- CN207758584U CN207758584U CN201721530136.9U CN201721530136U CN207758584U CN 207758584 U CN207758584 U CN 207758584U CN 201721530136 U CN201721530136 U CN 201721530136U CN 207758584 U CN207758584 U CN 207758584U
- Authority
- CN
- China
- Prior art keywords
- switching circuit
- copper bar
- management module
- battery management
- semiconductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000758 substrate Substances 0.000 claims abstract description 29
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 28
- 238000007599 discharging Methods 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 54
- 239000010949 copper Substances 0.000 claims description 54
- 229910052802 copper Inorganic materials 0.000 claims description 54
- 239000004065 semiconductor Substances 0.000 claims description 36
- 238000005070 sampling Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a kind of battery management module, including aluminum substrate, and the aluminum substrate includes circuit layer；Multigroup switching circuit with same circuits, switching circuit described in every group is connect with the circuit layer, for controlling the charging and discharging of battery, switching circuit described in every group includes at least one power switch tube, and the radiating part of the power switch tube is contacted with the aluminum substrate.Technical solutions of the utility model can improve the heat dissipation effect of the power switch tube in battery management module.
Description
Technical field
The utility model is related to field of batteries, more particularly to a kind of battery management module.
Background technology
With electric vehicle tend to lightweight, integrated, modularization direction is developed, the structure of power battery pack is proposed
More harsh requirement.Currently in order to improving electric vehicle continual mileage, connection in series-parallel a batch battery pack is generally required, and in order to
It preferably acquires the data of each battery pack, realize effectively management, will be equipped with battery management module, it is general in battery management module
It is designed with power switch tube；And the heat dispersal situations of the power switch tube in existing battery management module are not very good, lead to work(
Rate switching tube aging is than more serious.
Utility model content
The main purpose of the utility model is to provide a kind of battery management module, it is intended to improve the work(in battery management module
The heat dissipation effect of rate switching tube.
To achieve the above object, battery management module provided by the utility model, including：
Aluminum substrate, including circuit layer；
Multigroup switching circuit with same circuits, switching circuit described in every group are connect with the circuit layer, for control
The charging and discharging of battery processed, switching circuit described in every group include at least one power switch tube, and the power switch tube dissipates
Hot portion is contacted with the aluminum substrate.
Preferably, the battery management module further includes on the aluminum substrate and electric with multigroup switch respectively
The first copper bar and the second copper bar of road electrical connection.
Preferably, first copper bar and the second copper bar are arranged in parallel, and multigroup switching circuit is set to described the side by side
Between one copper bar and the second copper bar.
Preferably, it two points that the first copper bar and the second copper bar are located at a pair of of linea angulata is stated is set as outlet and be electrically connected contact.
Preferably, two outlets be electrically connected be equipped with respectively at contact the bolt being connected through a screw thread with the copper bar or
Screw.
Preferably, switching circuit described in every group includes two power switch tubes：One the first metal-oxide-semiconductor and the 2nd MOS
Pipe, first metal-oxide-semiconductor and the second metal-oxide-semiconductor are N-channel MOS pipe；
The drain electrode of the first metal-oxide-semiconductor in switching circuit described in every group is connected with the drain electrode of the second metal-oxide-semiconductor；
The grid of the first metal-oxide-semiconductor in multigroup switching circuit is connected to same electrical connection by a first resistor
The grid of point, the second metal-oxide-semiconductor of multigroup switching circuit is connected to another same contact that is electrically connected by a second resistance；
The source electrode of the first metal-oxide-semiconductor in multigroup switching circuit is connect with first copper bar, multigroup switch
The source electrode of the second metal-oxide-semiconductor in circuit is connect by the identical sampling resistor of a resistance value with second copper bar.
Preferably, layout all same of multigroup switching circuit on the circuit layer；
The source electrode of the first metal-oxide-semiconductor in multigroup switching circuit phase at a distance from the connecting line between first copper bar
Together；
Sampling resistor in multigroup switching circuit is identical at a distance from the connecting line between second copper bar.
Preferably, the battery management module further includes a master control circuit board being connect with multigroup switching circuit,
The master control circuit board is set to the top of the aluminum substrate.
Preferably, the aluminum substrate be equipped with mounting post, the master control circuit board be equipped with it is corresponding with the positioning column simultaneously
Matched mounting hole.
Preferably, the power switch tube is patch shape power switch tube.
The utility model uses aluminum substrate, and the radiating part for the power switch tube being arranged in switching circuit and the aluminum substrate
Contact, since aluminum substrate has preferable heat conduction and heat sinking function, in this way, the power switch tube in battery management module can be improved
Heat dissipation effect.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the utility model battery management module；
Fig. 2 is the circuit diagram of one embodiment of multigroup switching circuit in the utility model battery management module.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 10 | Aluminum substrate | 11 | First copper bar |
| 111 | Outlet is electrically connected contact | 12 | Second copper bar |
| 121 | Outlet is electrically connected contact | 20 | Bolt |
| 30 | Master control circuit board | 31 | Mounting hole |
| 40 | Mounting post | Q1 | First metal-oxide-semiconductor |
| Q2 | Second metal-oxide-semiconductor | R1 | First resistor |
| R2 | Second resistance | R3 | Sampling resistor |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific implementation mode
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 describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that directional instruction (such as up, down, left, right, before and after ...) in the utility model embodiment,
Then it is only used for explaining relative position relation, motion conditions etc. under a certain particular pose between each component, if this is specific
When posture changes, then directionality instruction also correspondingly changes correspondingly.
If in addition, being related to the description of " first ", " second " etc. in the present invention, it is used for description purposes only, and
It should not be understood as indicating or implying its relative importance or implicitly indicate the quantity of indicated technical characteristic.It limits as a result,
There is the feature of " first ", " second " can explicitly or implicitly include at least one of the features.In addition, between each embodiment
Technical solution can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, work as technical side
There is conflicting or cannot achieve when and will be understood that the combination of this technical solution is not present in the combination of case, also not in this practicality
Within the protection domain of novel requirement.
The utility model proposes a kind of battery management modules.
As illustrated in fig. 1 and 2, the utility model battery management module includes：
Aluminum substrate 10, including circuit layer；
Multigroup switching circuit with same circuits, switching circuit described in every group are connect with the circuit layer, for control
The charging and discharging of battery processed, switching circuit described in every group include at least one power switch tube, and the power switch tube dissipates
Hot portion is contacted with the aluminum substrate 10.
The utility model by using aluminum substrate 10, and the radiating part for the power switch tube being arranged in switching circuit with it is described
Aluminum substrate 10 contacts, since aluminum substrate 10 has preferable heat conduction and heat sinking function, in this way, can be improved in battery management module
The heat dissipation effect of power switch tube.
Because patch shape power switch tube has many advantages, such as small, convenient welding, the power switch tube in the utility model
Preferably patch shape power switch tube.
At work due to switching circuit, larger circulating current generally can be all generated, in order to reinforce the mistake of aluminum substrate 10
Current capacity, as shown in Figure 1, be arranged the battery management module further include be set to the aluminum substrate 10 on and respectively with it is multigroup
The first copper bar 11 and the second copper bar of the switching circuit electrical connection, first copper bar, 11 and second copper bar can be used in drawing
Then conducting wire connect with other circuits, is such as connect with control circuit.
For the circuit being preferably laid out on aluminum substrate 10, as shown in Figure 1, setting 11 and second copper bar of the first copper bar
It is arranged in parallel, multigroup switching circuit is set between first copper bar, 11 and second copper bar side by side, in this way, can make entire aluminium
Circuit layout on substrate 10 is more neat.
In view of multigroup switching circuit not only circuit having the same, but also its layout on circuit layer is generally all
Be it is identical, in this way, every group of switching circuit on circuit layer and connect with first copper bar, 11 and second copper bar that
The internal resistance of partial circuit is generally identical, for this purpose, as shown in Figure 1, first copper bar, 11 and second copper bar is further arranged
Two points at a pair of of linea angulata are set as outlet and are electrically connected contact 111,121, in this way, when every group of switching circuit is through first bronze medal
When item 11 and the second copper bar are connect with other circuits, it can ensure that internal resistance when every group of switching circuit is connect with other circuits is kept
Substrate is consistent, is uniformly controlled to every group of switching circuit to convenient.
Wherein, first copper bar, 11 and second copper bar is preferably the identical strip structure of cross-sectional area.
For convenience from first copper bar, 11 and second copper bar extraction wire, as shown in Figure 1, in two outlet electricity
The bolt 20 or screw being connected through a screw thread with the copper bar are respectively equipped at tie point 111,121, it is other to significantly facilitate
The connection of circuit and first copper bar, 11 and second copper bar.
As shown in Fig. 2, switching circuit described in every group includes two power switch tubes：One first metal-oxide-semiconductor Q1 and one
Two metal-oxide-semiconductor Q2, the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 are N-channel MOS pipe, the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor
The charging of battery, another electric discharge that can be by control for battery can be used for one of in Q2 by control；
The drain electrode of the first metal-oxide-semiconductor Q1 in switching circuit described in every group is connected with the drain electrode of the second metal-oxide-semiconductor Q2；
The grid of the first metal-oxide-semiconductor Q1 in multigroup switching circuit is connected to same be electrically connected by a first resistor R1
Contact can be connected to same control signal；The grid of second metal-oxide-semiconductor Q2 of multigroup switching circuit passes through one second electricity
Resistance R2 is connected to another same contact that is electrically connected, and may also connect to another same control signal；
The source electrode of the first metal-oxide-semiconductor Q1 in multigroup switching circuit is connect with first copper bar 11, multigroup described
The source electrode of second metal-oxide-semiconductor Q2 of switching circuit is connect by the identical sampling resistor R3 of a resistance value with second copper bar.
Preferably, as shown in Figure 1, layout all same of the multigroup switching circuit of setting on the circuit layer；It is multigroup
The source electrode of the first metal-oxide-semiconductor Q1 in the switching circuit is identical at a distance from the connecting line between first copper bar 11；It is multigroup
Sampling resistor R3 in the switching circuit is identical at a distance from the connecting line between second copper bar.So, it is ensured that more
The internal resistance that the group switching circuit is connected to the circuit between first copper bar, 11 and second copper bar is essentially identical, to side
Just multigroup switching circuit is uniformly controlled.
As shown in Figure 1, it further includes a main control being connect with multigroup switching circuit that the battery management module, which is arranged,
Circuit board 30, the master control circuit board 30 are set to the top of the aluminum substrate 10, to convenient to multigroup switching circuit
Control.
In order to facilitate the fixed and positioned of master control circuit board 30, as shown in Figure 1, the aluminum substrate 10, which is arranged, is equipped with peace
Column 40 is filled, 30 circuit board of the master control circuit board is equipped with corresponding with the mounting post 40 and matched mounting hole 31, the peace
Filling can be connected between column 40 and mounting hole 31 by helicitic texture or buckle structure.
It these are only the preferred embodiment of the utility model, it does not limit the scope of the patent of the present invention, every
Under the inventive concept of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or
Directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of battery management module, which is characterized in that including：
Aluminum substrate, including circuit layer；
Multigroup switching circuit with same circuits, switching circuit described in every group are connect with the circuit layer, for control electricity
The charging and discharging in pond, switching circuit described in every group include at least one power switch tube, the radiating part of the power switch tube
It is contacted with the aluminum substrate.
2. battery management module as described in claim 1, which is characterized in that the battery management module further includes set on described
The first copper bar and the second copper bar being electrically connected on aluminum substrate and respectively with multigroup switching circuit.
3. battery management module as claimed in claim 2, which is characterized in that first copper bar and the second copper bar is parallel sets
It sets, multigroup switching circuit is set between first copper bar and the second copper bar side by side.
4. battery management module as claimed in claim 3, which is characterized in that first copper bar and the second copper bar are located at a pair
Two points at linea angulata are set as outlet and are electrically connected contact.
5. battery management module as claimed in claim 4, which is characterized in that be electrically connected at contact in two outlets and set respectively
There are the bolt or screw being connected through a screw thread with the copper bar.
6. battery management module as claimed in claim 2, which is characterized in that switching circuit described in every group is opened including two power
Guan Guan：One the first metal-oxide-semiconductor and second metal-oxide-semiconductor, first metal-oxide-semiconductor and the second metal-oxide-semiconductor are N-channel MOS pipe；
The drain electrode of the first metal-oxide-semiconductor in switching circuit described in every group is connected with the drain electrode of the second metal-oxide-semiconductor；
The grid of the first metal-oxide-semiconductor in multigroup switching circuit is connected to same electrical connection point by a first resistor, more
The grid of second metal-oxide-semiconductor of the group switching circuit is connected to another same contact that is electrically connected by a second resistance；
The source electrode of the first metal-oxide-semiconductor in multigroup switching circuit is connect with first copper bar, multigroup switching circuit
In the source electrode of the second metal-oxide-semiconductor connect with second copper bar by the identical sampling resistor of a resistance value.
7. battery management module as claimed in claim 6, which is characterized in that multigroup switching circuit is on the circuit layer
Layout all same；
The source electrode of the first metal-oxide-semiconductor in multigroup switching circuit is identical at a distance from the connecting line between first copper bar；
Sampling resistor in multigroup switching circuit is identical at a distance from the connecting line between second copper bar.
8. the battery management module as described in any one of claim 1 to 7, which is characterized in that the battery management module is also
The master control circuit board being connect with multigroup switching circuit including one, the master control circuit board are set to the upper of the aluminum substrate
Side.
9. battery management module as claimed in claim 8, which is characterized in that the aluminum substrate is equipped with mounting post, the master control
Circuit board processed is equipped with corresponding with the mounting post and matched mounting hole.
10. the battery management module as described in any one of claim 1 to 7, which is characterized in that the power switch tube is
Patch shape power switch tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721530136.9U CN207758584U (en) | 2017-11-16 | 2017-11-16 | Battery management module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721530136.9U CN207758584U (en) | 2017-11-16 | 2017-11-16 | Battery management module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207758584U true CN207758584U (en) | 2018-08-24 |
Family
ID=63188856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721530136.9U Expired - Fee Related CN207758584U (en) | 2017-11-16 | 2017-11-16 | Battery management module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207758584U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109906020A (en) * | 2019-01-07 | 2019-06-18 | 深圳市环宇鼎鑫科技有限公司 | A kind of power module of battery management system |
-
2017
- 2017-11-16 CN CN201721530136.9U patent/CN207758584U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109906020A (en) * | 2019-01-07 | 2019-06-18 | 深圳市环宇鼎鑫科技有限公司 | A kind of power module of battery management system |
| CN109906020B (en) * | 2019-01-07 | 2020-07-21 | 深圳市环宇鼎鑫科技有限公司 | Power module of battery management system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104157821B (en) | Power battery box and printed circuit board (PCB) adapter plate | |
| CN201438674U (en) | Battery charger power device | |
| CN202334419U (en) | Low-voltage and high-power brushless direct current motor controller for electric automobile | |
| CN215911500U (en) | Battery module and battery pack | |
| CN207758584U (en) | Battery management module | |
| CN102029922B (en) | Double-sided aluminum substrate-based power metal oxide semiconductor field effect transistor (MOSFET) parallel circuit and structural design | |
| CN103560682A (en) | Power driving system | |
| CN204666702U (en) | The voltage temperature collection device of lithium battery group | |
| CN106935781B (en) | Battery pack connection method | |
| CN206685458U (en) | battery pack connector | |
| CN206040790U (en) | Polymer A series of cells keysets | |
| CN206116508U (en) | Group battery voltage acquisition device | |
| CN109659376A (en) | Solar panel and preparation method thereof | |
| CN209072421U (en) | Split type connecting box | |
| CN106328875A (en) | Safety structure of battery pack connection board | |
| CN209045575U (en) | Solar panel | |
| CN214566925U (en) | Production pallet | |
| CN204834733U (en) | Secure architecture of group battery connecting plate | |
| CN205050909U (en) | Collector shoe gear for energy storage | |
| CN206893688U (en) | A kind of composite circuit board with heating plate | |
| CN104064715B (en) | A kind of export structure of lithium battery group | |
| CN208006742U (en) | Integrated type battery control device | |
| CN208143200U (en) | Switch module and multi-channel contactless switch device | |
| CN207069241U (en) | Automobile batteries wire harness | |
| CN206022553U (en) | Battery circuit board structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180824 |