CN219107908U - Main control structure of battery management system - Google Patents
Main control structure of battery management system Download PDFInfo
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- CN219107908U CN219107908U CN202223309327.6U CN202223309327U CN219107908U CN 219107908 U CN219107908 U CN 219107908U CN 202223309327 U CN202223309327 U CN 202223309327U CN 219107908 U CN219107908 U CN 219107908U
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- battery management
- circuit board
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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
Abstract
The utility model belongs to a battery management system main control structure in the technical field of battery management systems. Including shell (1), printed circuit board (4), panel (6), shell (1) one side sets up opening (2), and shell (1) inside one side sets up first draw-in groove (3), and shell (1) inside opposite side sets up second draw-in groove (4), and printed circuit board (5) upper surface is close to outside position and sets up a plurality of connectors (6), panel (7) on set up install mouth (8) corresponding with connector (6) quantity and position. The main control structure of the battery management system is simple in structure, the main control structure is improved, so that the main control is not required to be arranged in a distribution box or a low-voltage control box, the panel is mounted on the shell after being matched with the connector, the panel has a reliable protection function, the design of system integration is facilitated, and the volume energy density is improved.
Description
Technical Field
The utility model belongs to the technical field of battery management systems, and particularly relates to a main control structure of a battery management system.
Background
Currently, electric automobiles are increasingly used in life. A BMS (battery management system) is a core control part of a power battery in an electric vehicle. In the automotive field, a plurality of battery PACKs are generally mounted because of the requirement of meeting a certain endurance, and a master control and a plurality of slave controls are mounted on a master control. At present, the main control is installed in two general modes, namely, in a high-voltage distribution box and in a low-voltage control box. Both mounting methods have certain disadvantages.
Currently the master control of battery management systems is typically installed in a high voltage distribution box or in a low voltage control box. The high-voltage power distribution box is mainly arranged in the high-voltage power distribution box to save control lines, and is beneficial to nearly controlling components such as a relay and a current acquisition unit in the high-voltage power distribution box, but the mode also has certain problems, mainly high and low voltages are not isolated, and a high-power circuit in the power distribution box is easy to produce electromagnetic interference to communication of a main control, so that the communication is unstable. If the main control is far away from the power circuit, the problem can be solved, but the protection problem of the main control is considered, the main control is mainly arranged in a low-voltage control box with IP protection, connectors with different numbers and types are arranged on the control box body, and a main control wiring harness is matched for transferring the control and acquisition signals of the main control, so that the cost is increased (as shown in fig. 3).
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: aiming at the defects of the prior art, the battery management system main control structure is simple in structure, the main control structure is improved, the main control is not required to be arranged in a distribution box or a low-voltage control box, the panel and the connector are matched and then are installed on the shell, the reliable protection function is achieved, the system integration design is facilitated, and the volume energy density is improved.
The technical scheme adopted by the utility model is as follows:
the utility model relates to a main control structure of a battery management system, which comprises a shell, a printed circuit board and a panel, wherein one side of the shell is provided with an opening, one side of the interior of the shell is provided with a first clamping groove, the other side of the interior of the shell is provided with a second clamping groove, the upper surface of the printed circuit board is close to the outer side, a plurality of plug connectors are arranged on the upper surface of the printed circuit board, and mounting ports corresponding to the number and the positions of the plug connectors are arranged on the panel.
The printed circuit board is configured to be mountable within the housing.
The panel is of a structure which can be fixedly connected with one side of the shell, which is provided with the opening.
The first clamping groove and the second clamping groove are arranged in parallel, and the first clamping groove and the second clamping groove are arranged in the shell to be in the same horizontal height.
When the printed circuit board is installed in the shell, one side of the printed circuit board is arranged to be capable of being clamped in the first clamping groove, and the other side of the printed circuit board is arranged to be capable of being clamped in the second clamping groove.
When the panel is fixedly connected with one side of the opening of the shell, each plug connector is arranged to be capable of being clamped in a corresponding mounting opening.
Each plug connector is respectively sleeved with a waterproof sealing ring.
The outer side surface of the shell is provided with a bending surface, and the bending surface is provided with an opening.
One side of the shell provided with the opening is provided with a binding face.
When the panel is fixedly connected with one side of the opening of the shell, the panel is arranged to be capable of being attached to the attaching surface.
By adopting the technical scheme of the utility model, the working principle and the beneficial effects are as follows:
when the main control structure of the battery management system is arranged, the shell is arranged, one side of the shell is provided with an opening, and the opening is used for the printed circuit board 5 to enter and exit the shell. When the printed circuit board 5 is placed in the shell, one side of the printed circuit board 5 is clamped in the first clamping groove 3, the other side of the printed circuit board 5 is clamped in the second clamping groove 4, and then the printed circuit board 5 can be pushed into the shell along the first clamping groove and the second clamping groove. While the first and second card slots simultaneously achieve a reliable positioning of the printed circuit board 5. And then the panel is connected with the shell to block the printed circuit board 5, and when the panel 7 is fixedly connected with one side of the shell 1 where the opening 2 is arranged, each plug connector 6 is clamped in the corresponding mounting port 8 to fix the plug connector, so that the whole structure is reliably connected, and the performance is ensured. According to the structure of the utility model, on one hand, the printed circuit board 5 does not need to be arranged in a high-voltage distribution box, and the problem that a high-power circuit in the distribution box is prone to electromagnetic interference to master control communication and unstable communication is caused is solved naturally. On the other hand, the printed circuit board does not need to be arranged in the low-voltage control box, and naturally, connectors with different numbers and types are not required to be arranged on the control box body, and the main control wiring harness is matched for transferring the main control and collecting signals, so that the problem of cost rising is naturally solved. The innovation point of the structure of the utility model is mainly that the structure improvement of the main control is started, the main control comprises a shell, a printed circuit board, a panel and the like, the protection level of the main control shell is enhanced, and the connector capable of preventing dust and water is used. The main control device has the functions of dust prevention and water prevention, is used for replacing the function of a low-voltage box, greatly saves the cost, and can well solve the problem of high-low voltage interference. And the battery system has the advantages of small size, flexible installation and effective improvement of the energy density and the volume energy density of the battery system. In conclusion, the BMS master control is used for replacing the low-voltage control box, so that the installation size is reduced, the design of system integration is facilitated, and the volume energy density is improved. The whole structure is compact, the functions are complete, the cost is low, and the overall market competitiveness of the product is effectively improved.
Drawings
The following is a brief description of what is expressed in the drawings of this specification and the references in the drawings:
fig. 1 is a schematic structural diagram of a master control structure of a battery management system according to the present utility model;
FIG. 2 is a schematic diagram of a housing of a battery management system according to the present utility model;
FIG. 3 is a schematic diagram of a prior art battery management system master control structure;
the reference numerals in the figures are respectively: 1. a housing; 2. an opening; 3. a first clamping groove; 4. a printed circuit board; 5. a printed circuit board; 6. a plug-in component; 7. a panel; 8. a mounting port; 9. a bending surface; 10. opening holes; 11. and (5) an attaching surface.
Detailed Description
The following describes the shape, structure, mutual position and connection relation between parts, action of parts and working principle of the specific embodiment of the present utility model by describing examples in further detail:
as shown in fig. 1 and fig. 2, the utility model is a main control structure of a battery management system, which comprises a housing 1, a printed circuit board 4 and a panel 6, wherein one side of the housing 1 is provided with an opening 2, one side of the interior of the housing 1 is provided with a first clamping groove 3, the other side of the interior of the housing 1 is provided with a second clamping groove 4, the upper surface of the printed circuit board 5 is provided with a plurality of plug connectors 6 near the outer side, and the panel 7 is provided with mounting ports 8 corresponding to the plug connectors 6 in number and position. The structure provides an improved technical scheme aiming at the defects in the prior art. When the structure is arranged, a shell is arranged, one side of the shell is provided with an opening, and the opening is used for the printed circuit board 5 to enter and exit the shell. When the printed circuit board 5 is placed in the shell, one side of the printed circuit board 5 is clamped in the first clamping groove 3, the other side of the printed circuit board 5 is clamped in the second clamping groove 4, and then the printed circuit board 5 can be pushed into the shell along the first clamping groove and the second clamping groove. While the first and second card slots simultaneously achieve a reliable positioning of the printed circuit board 5. And then the panel is connected with the shell to block the printed circuit board 5, and when the panel 7 is fixedly connected with one side of the shell 1 where the opening 2 is arranged, each plug connector 6 is clamped in the corresponding mounting port 8 to fix the plug connector, so that the whole structure is reliably connected, and the performance is ensured. According to the structure of the utility model, on one hand, the printed circuit board 5 does not need to be arranged in a high-voltage distribution box, and the problem that a high-power circuit in the distribution box is prone to electromagnetic interference to master control communication and unstable communication is caused is solved naturally. On the other hand, the printed circuit board 5 does not need to be arranged in the low-voltage control box, and naturally, connectors with different numbers and types are not required to be arranged on the control box body, and the main control wiring harness is matched for transferring the main control and collecting signals, so that the problem of cost rising is naturally solved. The innovation point of the structure of the utility model is mainly that the main control is started from the structural improvement of the main control, the main control comprises a shell 1, a printed circuit board 4, a panel 6 and the like, the protection level of the main control shell is enhanced, and the connector capable of preventing dust and water is used. The main control device has the functions of dust prevention and water prevention, is used for replacing the function of a low-voltage box, greatly saves the cost, and can well solve the problem of high-low voltage interference. And the battery system has the advantages of small size, flexible installation and effective improvement of the energy density and the volume energy density of the battery system. In conclusion, the BMS master control is used for replacing the low-voltage control box, so that the installation size is reduced, the design of system integration is facilitated, and the volume energy density is improved. The whole structure is compact, the functions are complete, and the market competitiveness of the product is improved. The main control structure of the battery management system is simple in structure, the main control structure is improved, so that the main control is not required to be arranged in a distribution box or a low-voltage control box, the panel is mounted on the shell after being matched with the connector, the panel has a reliable protection function, the design of system integration is facilitated, and the volume energy density is improved.
The printed circuit board 5 is provided in a structure that can be mounted inside the housing 1. The panel 7 is provided in a structure capable of being fixedly connected with one side of the casing 1 where the opening 2 is provided. The first clamping groove 3 and the second clamping groove 4 are arranged in parallel, and the first clamping groove 3 and the second clamping groove 4 are arranged in the shell 1 to be in the same horizontal height. When the printed circuit board 5 is installed in the shell 1, one side of the printed circuit board 5 is provided with a structure capable of being clamped in the first clamping groove 3, and the other side of the printed circuit board 5 is provided with a structure capable of being clamped in the second clamping groove 4. When the panel 7 is fixedly connected with one side of the opening 2 of the shell 1, each plug connector 6 is in a structure capable of being clamped in a corresponding mounting opening 8. Each plug connector 6 is respectively sleeved with a waterproof sealing ring. The above structure improves the structure of the main control, and is provided with a housing for accommodating the printed circuit board 5, and a panel for closing the opening. The plug connector 6 is sleeved with a waterproof sealing ring. When the plug connector is clamped in the mounting port, the sealing ring reliably realizes the function of sealing the mounting port.
The outer side surface of the shell 1 is provided with a bending surface 9, and the bending surface 9 is provided with an opening 10. Above-mentioned structure, the trompil is used for the screw to pass, realizes the installation and the fixed of shell and fixed part.
The side of the shell 1 provided with the opening 2 is provided with an attaching surface 11. When the panel 7 is fixedly connected with one side of the opening 2 of the shell 1, the panel 7 is of a structure which can be attached to the attaching surface 11. Above-mentioned structure, the reliable laminating faying surface of panel, both pass through the screw connection, and set up sealing washer between panel and the faying surface, sealing washer presss from both sides tightly, reliable seal.
The main control structure of the battery management system mainly comprises a PCBA, a shell, a panel, a waterproof connector and the like. The PCBA is a core component of the main control, and the realization of the functions of the battery management system and the signal acquisition and control are completed through the PCBA. The waterproof connector is welded on the PCBA. The front end of the waterproof connector can be matched with the mounting opening on the panel, and the sealing ring is arranged on the connector, so that the waterproof connector can be reliably sealed during clamping. The shell and the panel are integrally formed in a metal die-casting mode or a plastic injection mode, and are reliably matched to form a closed space after being connected. Wherein the inside first draw-in groove and the second draw-in groove that are equipped with of shell, PCBA adopts the bayonet type to fix in first draw-in groove and second draw-in groove, panel and shell fixed connection to the installing port and the connector cooperation of panel, like this, form the master control structure of effective improvement performance.
When the main control structure of the battery management system is arranged, the shell is arranged, one side of the shell is provided with an opening, and the opening is used for the printed circuit board 5 to enter and exit the shell. When the printed circuit board 5 is placed in the shell, one side of the printed circuit board 5 is clamped in the first clamping groove 3, the other side of the printed circuit board 5 is clamped in the second clamping groove 4, and then the printed circuit board 5 can be pushed into the shell along the first clamping groove and the second clamping groove. While the first and second card slots simultaneously achieve a reliable positioning of the printed circuit board 5. And then the panel is connected with the shell to block the printed circuit board 5, and when the panel 7 is fixedly connected with one side of the shell 1 where the opening 2 is arranged, each plug connector 6 is clamped in the corresponding mounting port 8 to fix the plug connector, so that the whole structure is reliably connected, and the performance is ensured. According to the structure of the utility model, on one hand, the printed circuit board 5 does not need to be arranged in a high-voltage distribution box, and the problem that a high-power circuit in the distribution box is prone to electromagnetic interference to master control communication and unstable communication is caused is solved naturally. On the other hand, the printed circuit board does not need to be arranged in the low-voltage control box, and naturally, connectors with different numbers and types are not required to be arranged on the control box body, and the main control wiring harness is matched for transferring the main control and collecting signals, so that the problem of cost rising is naturally solved. The innovation point of the structure of the utility model is mainly that the structure improvement of the main control is started, the main control comprises a shell, a printed circuit board, a panel and the like, the protection level of the main control shell is enhanced, and the connector capable of preventing dust and water is used. The main control device has the functions of dust prevention and water prevention, is used for replacing the function of a low-voltage box, greatly saves the cost, and can well solve the problem of high-low voltage interference. And the battery system has the advantages of small size, flexible installation and effective improvement of the energy density and the volume energy density of the battery system. In conclusion, the BMS master control is used for replacing the low-voltage control box, so that the installation size is reduced, the design of system integration is facilitated, and the volume energy density is improved. The whole structure is compact, the functions are complete, the cost is low, and the overall market competitiveness of the product is effectively improved.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the specific implementation of the utility model is not limited by the foregoing, but rather is within the scope of the utility model as long as various modifications are made by the method concept and technical scheme of the utility model, or the concept and technical scheme of the utility model are directly applied to other occasions without modification.
Claims (10)
1. A battery management system master control structure which is characterized in that: including shell (1), printed circuit board (5), panel (7), shell (1) one side sets up opening (2), and shell (1) inside one side sets up first draw-in groove (3), and shell (1) inside opposite side sets up second draw-in groove (4), and printed circuit board (5) upper surface is close to outside position and sets up a plurality of plug connectors (6), panel (7) on set up install mouth (8) corresponding with plug connector (6) quantity and position.
2. The battery management system master control structure according to claim 1, wherein: the printed circuit board (5) is configured to be mountable within the housing (1).
3. The battery management system master control structure according to claim 1 or 2, wherein: the panel (7) is of a structure which can be fixedly connected with one side of the shell (1) where the opening (2) is arranged.
4. The battery management system master control structure according to claim 1 or 2, wherein: the first clamping groove (3) and the second clamping groove (4) are arranged in parallel, and the first clamping groove (3) and the second clamping groove (4) are arranged in the shell (1) to be in the same horizontal height.
5. The battery management system master control architecture of claim 4, wherein: when the printed circuit board (5) is arranged in the shell (1), one side of the printed circuit board (5) is arranged to be capable of being clamped in the first clamping groove (3), and the other side of the printed circuit board (5) is arranged to be capable of being clamped in the second clamping groove (4).
6. The battery management system master control structure according to claim 3, wherein: when the panel (7) is fixedly connected with one side of the opening (2) of the shell (1), each plug-in connector (6) is of a structure capable of being clamped in a corresponding mounting opening (8).
7. The battery management system master control structure according to claim 1 or 2, wherein: each plug connector (6) is respectively sleeved with a waterproof sealing ring.
8. The battery management system master control structure according to claim 1 or 2, wherein: the outer side surface of the shell (1) is provided with a bending surface (9), and the bending surface (9) is provided with an opening (10).
9. The battery management system master control architecture of claim 6, wherein: one side of the shell (1) provided with the opening (2) is provided with a bonding surface (11).
10. The battery management system master control architecture of claim 9, wherein: when the panel (7) is fixedly connected with one side of the opening (2) of the shell (1), the panel (7) is of a structure which can be attached to the attaching surface (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223309327.6U CN219107908U (en) | 2022-12-09 | 2022-12-09 | Main control structure of battery management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223309327.6U CN219107908U (en) | 2022-12-09 | 2022-12-09 | Main control structure of battery management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219107908U true CN219107908U (en) | 2023-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223309327.6U Active CN219107908U (en) | 2022-12-09 | 2022-12-09 | Main control structure of battery management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219107908U (en) |
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- 2022-12-09 CN CN202223309327.6U patent/CN219107908U/en active Active
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