CN218957840U - Novel battery system - Google Patents
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- CN218957840U CN218957840U CN202223022674.0U CN202223022674U CN218957840U CN 218957840 U CN218957840 U CN 218957840U CN 202223022674 U CN202223022674 U CN 202223022674U CN 218957840 U CN218957840 U CN 218957840U
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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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Abstract
The utility model discloses a novel battery system, which comprises a system shell; the system shell comprises an upper cover and a lower box body; an energy storage unit is arranged in the inner cavity of the system shell; a heat insulation plate is arranged between the top of the energy storage unit and the bottom of the upper cover; the lower box body comprises a lower box body, a plurality of liquid cooling plates and a plurality of liquid cooling joints; the transverse gaps between any two adjacent liquid cooling plates are respectively used for placing at least one longitudinally distributed battery cell; the front end and the rear end of each liquid cooling plate are respectively provided with a cooling liquid inlet and a cooling liquid outlet; one end of each liquid cooling joint facing the energy storage unit is provided with a strip water gap; the strip water gap of each liquid cooling joint is connected with a cooling liquid inlet and a cooling liquid outlet; the liquid cooling joints at the front side or the rear side of the lower box body are respectively connected with a liquid cooling flow guiding unit outside the box body. The utility model can increase the liquid cooling contact area of the battery, ensure the liquid cooling effect on the battery, effectively block the heat spreading among the batteries through the liquid cooling plate and enhance the safety of the system.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a novel battery system.
Background
At present, in the field of transportation, new energy electric vehicles are gradually put into use to replace traditional fuel vehicles so as to achieve the aims of environmental protection and energy conservation.
The battery system is a key part of the electric automobile and provides power for the whole automobile. Battery systems generally include a battery pack, a battery pack management module, a battery case, and corresponding accessories. At present, the cooling mode for the square power battery system is generally as follows: cooling the bottom of the battery module by liquid cooling.
For the existing bottom liquid cooling mode of the battery, the contact area of the battery and a liquid cooling plate is small, and the overall cooling capacity of a battery system is limited, so that the exertion of the high-current charging and discharging capacity of the battery is influenced.
Furthermore, for existing battery system ganged approaches, the conventional approach is typically: firstly, a plurality of electric cores are assembled into a module, then the module is assembled to a system, and components such as end plates, side plates and the like used in the module structure occupy a certain system space, so that the volume rate of the battery system is influenced, and the energy density is reduced.
Disclosure of Invention
The utility model aims at overcoming the technical defects existing in the prior art and provides a novel battery system.
To this end, the present utility model provides a novel battery system comprising a hollow system housing;
a system housing including an upper cover and a lower case;
an energy storage unit is arranged in the inner cavity of the system shell;
the energy storage unit comprises a plurality of transversely distributed battery cell transverse rows;
each cell transverse row comprises a plurality of cells longitudinally arranged in parallel;
a heat insulation plate which is horizontally distributed is arranged between the top of the energy storage unit and the bottom of the upper cover;
the lower box body comprises a lower box body, a plurality of liquid cooling plates and a plurality of liquid cooling joints;
the plurality of liquid cooling plates are transversely arranged in the inner cavity of the system shell at equal intervals, and transverse gaps between any two adjacent liquid cooling plates are respectively used for placing at least one longitudinally distributed battery cell;
the front end and the rear end of each liquid cooling plate are respectively provided with a cooling liquid inlet and a cooling liquid outlet;
a plurality of liquid cooling cavities which are longitudinally distributed are arranged in each liquid cooling plate;
the front end and the rear end of each liquid cooling cavity are respectively communicated with a cooling liquid inlet and a cooling liquid outlet;
a cavity supporting wall which is longitudinally distributed is arranged between any two adjacent liquid cooling cavities;
the front and rear side panels of the lower box body are respectively provided with a vertically distributed liquid cooling joint mounting opening at positions corresponding to the cooling liquid inlets and outlets at the front and rear ends of each liquid cooling plate;
each liquid cooling joint is of a hollow structure, and one end of the liquid cooling joint, which faces the energy storage unit, is provided with vertically distributed strip water gaps;
the strip water gap is communicated with the inner cavity of the liquid cooling joint;
the strip water gap of each liquid cooling joint is connected with a cooling liquid inlet and a cooling liquid outlet corresponding to the positions after passing through the installation opening of one liquid cooling joint;
the liquid cooling connectors are positioned at the front side or the rear side of the lower box body and are respectively connected with a liquid cooling flow guiding unit outside the box body;
the water inlet and outlet ports on the liquid cooling flow guiding units outside the two boxes are respectively communicated with the liquid inlet and the liquid outlet on the external liquid cooling equipment.
Preferably, two adjacent cavity supporting walls are arranged in a staggered manner.
Preferably, the top of each liquid cooling joint is respectively provided with a round quick connector;
the quick connector is communicated with the inner cavity of the liquid cooling connector where the quick connector is positioned;
and the quick connectors positioned at the front side or the rear side of the lower box body are respectively connected with a liquid cooling flow guiding unit outside the box body.
Preferably, each box body external liquid cooling flow guiding unit comprises a water inlet and outlet interface, a main runner and a plurality of butt plugs;
the left end of each hollow main runner is provided with a water inlet and outlet interface respectively;
the bottom of each main runner is provided with a butt joint plug at a position corresponding to each liquid cooling joint;
each butt-joint plug is respectively used for being spliced with one liquid cooling joint.
Preferably, for each box body external liquid cooling flow guiding unit, the bottom of the main runner is arranged on the left side and the right side of each butt joint plug, and an interface protection baffle plate which is vertically distributed is also respectively arranged.
Preferably, heat conduction structural adhesive or a heat conduction pad is filled between the side surface of each electric core and the adjacent liquid cooling plate, and between the bottom of each electric core and the bottom top surface of the lower box body.
Preferably, the upper cover is connected with the lower box body through a plurality of bolts which are distributed at intervals;
the periphery of the upper cover is provided with a turned edge, and the turned edge is provided with a plurality of first through holes which are distributed at intervals;
a circle of frame is circumferentially arranged at the peripheral edge of the top of the lower box body;
the frame is provided with second through holes at positions corresponding to the through holes respectively, and a rivet nut is fixedly arranged on each second through hole;
each bolt sequentially passes through the corresponding first through hole and the blind rivet nut and is fixedly connected with the blind rivet nut through threads.
Preferably, a sealing rubber ring distributed in a surrounding manner is arranged between the bottom of the upper cover and the top of the lower box body.
Compared with the prior art, the novel battery system provided by the utility model has the advantages that the design is scientific, the liquid cooling contact area of the battery can be increased, the liquid cooling effect on the battery is ensured, the heat management capability of the system is effectively improved, the temperature of the system is effectively controlled, meanwhile, the heat spreading among the batteries can be effectively blocked through the liquid cooling plate, the safety of the system is further enhanced, and the novel battery system has great practical significance.
Through inspection, the utility model can improve the volume rate of the battery system and the energy density of the battery system while improving the overall structural strength of the system.
Drawings
FIG. 1 is a perspective exploded view of a novel battery system according to the present utility model;
FIG. 2 is an exploded view of a lower case of the novel battery system according to the present utility model;
FIG. 3 is a schematic diagram of a structure of a liquid cooling and guiding unit outside a case in the novel battery system provided by the utility model;
FIG. 4 is a schematic diagram of a liquid cooling plate in a novel battery system according to the present utility model;
FIG. 5 is a schematic diagram of a liquid-cooled connector in a novel battery system according to the present utility model;
FIG. 6 is a schematic diagram showing a structure of a thermal management system (including a liquid cooling plate, a liquid cooling flow guiding unit outside a case, and a liquid cooling joint) in a novel battery system according to the present utility model;
in the figure: 1. an upper cover; 2. a heat insulating plate; 3. an energy storage unit; 4. a lower box body; 5. the liquid cooling flow guiding unit is arranged outside the box body; 6. an electrical system;
41. a lower case body; 42. a liquid cooling plate; 43. a liquid-cooled joint;
421. a cooling liquid inlet and outlet; 422. a liquid cooling cavity; 423. a cavity support wall;
431. a strip nozzle; 432. a quick connector;
51. a water inlet and outlet interface; 52. a main flow passage; 53. a docking plug; 54. interface protection baffle.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1 to 6, the present utility model provides a novel battery system comprising a hollow system housing;
a system housing comprising an upper cover 1 and a lower case 4;
an energy storage unit 3 is arranged in an inner cavity of the system shell (namely an inner cavity formed by enclosing the upper cover 1 and the lower box body 4);
the energy storage unit 3 comprises a plurality of transversely distributed battery cell transverse rows;
each cell transverse row comprises a plurality of cells longitudinally arranged in parallel;
a heat insulation plate 2 which is horizontally distributed is arranged between the top of the energy storage unit 3 and the bottom of the upper cover 1;
the lower case 4 includes a lower case body 41, a plurality of liquid cooling plates 42, and a plurality of liquid cooling joints 43;
the plurality of liquid cooling plates 42 are transversely and equidistantly arranged in the inner cavity of the system shell, and transverse gaps between any two adjacent liquid cooling plates 42 are respectively used for placing at least one longitudinally distributed battery cell;
the front and rear ends of each liquid cooling plate 42 are respectively provided with a cooling liquid inlet and outlet 421 (two cooling liquid inlets and outlets are used for entering and exiting cooling liquid, one is an inlet, and the other is an outlet);
each liquid cooling plate 42 is internally provided with a plurality of liquid cooling cavities 422 which are longitudinally distributed;
the front and rear ends of each liquid cooling cavity 422 are respectively communicated with a cooling liquid inlet and outlet 421;
a cavity supporting wall 423 which is longitudinally distributed is arranged between any two adjacent liquid cooling cavities 422;
the front and rear side panels of the lower case 4 are respectively provided with a vertically distributed liquid cooling joint mounting opening 401 at positions corresponding to the cooling liquid inlets 421 at the front and rear ends of each liquid cooling plate 42;
each liquid cooling joint 43 is of a hollow structure, and one end (i.e. the inner end) of the liquid cooling joint, facing the energy storage unit 3, is provided with vertically distributed strip water gaps 431;
the strip water gap 431 is communicated with the inner cavity of the liquid cooling joint 43;
the long water gap 431 of each liquid cooling joint 43 is connected with one cooling liquid inlet and outlet 421 corresponding to the position after passing through one liquid cooling joint mounting opening 401 (namely, the mutual communication of the inner cavities of the two is realized, and the communication of cooling liquid is realized);
the plurality of liquid cooling joints 43 positioned at the front side or the rear side of the lower box body 4 are respectively connected with a liquid cooling flow guiding unit 5 outside the box body for realizing the mutual communication of cooling liquid.
The water inlet and outlet ports on the liquid cooling flow guiding units 5 outside the two boxes are respectively communicated with the liquid inlet and the liquid outlet on the external liquid cooling equipment. That is, there are two external liquid cooling diversion units 5 in total, the two external liquid cooling diversion units 5 are used for connecting the liquid inlet and the liquid outlet on the external liquid cooling device, the water inlet and outlet interface 51 of one external liquid cooling diversion unit serves as the water inlet, and the water inlet and outlet interface 51 of the other external liquid cooling diversion unit serves as the water outlet.
In the present utility model, two adjacent cavity supporting walls 423 are arranged in a staggered manner.
In the present utility model, a circular quick connector 432 is respectively disposed on the top of each liquid-cooling connector 43;
the quick connector 432 is communicated with the inner cavity of the liquid cooling connector 43 where the quick connector 432 is positioned;
the plurality of quick connectors 432 positioned on the front side or the rear side of the lower box body 4 are respectively connected with a liquid cooling flow guiding unit 5 outside the box body and are used for realizing the mutual communication of cooling liquid;
in the utility model, in particular implementation, each box body external liquid cooling flow guiding unit 5 respectively comprises a water inlet and outlet interface 51, a main runner 52 and a plurality of butt plugs 53;
the left end of each hollow main runner 52 is respectively provided with a water inlet and outlet interface 51;
a docking plug 53 is provided at the bottom of each main flow path 52 at a position corresponding to each liquid-cooling joint 43 (specifically, a quick-connect joint 432 of the liquid-cooling joint 43);
each docking plug 53 is configured to be plugged with one of the liquid-cooled connectors 43 (specifically, the quick-connect connector 432 of the liquid-cooled connector 43);
in particular, for each liquid cooling flow guiding unit 5 outside the box body, the bottom of the main flow channel 52 is arranged on the left side and the right side of each docking plug 53, and a vertically distributed interface protection baffle 54 is further respectively arranged.
As shown in fig. 4, 5 and 6, the end surfaces at two ends of the liquid cooling plate 42 are provided with an inlet and outlet 421 for inlet and outlet of cooling liquid, a plurality of liquid cooling cavities 422 are provided inside, a cavity supporting wall 423 is provided between two adjacent liquid cooling cavities, and the plurality of cavity supporting walls 423 are arranged in a staggered manner, so that even distribution of cooling liquid when entering the liquid cooling cavity in the liquid cooling plate 42 is ensured. The liquid cooling joint 43 is provided with a rectangular water gap 431 connected with the lower box body and a round quick-insertion port 432 connected with the liquid cooling flow guiding unit 5 outside the box body. The cooling liquid enters from the water inlet and outlet interface 51 (which is used as a water inlet at this time) of the external liquid cooling flow guiding unit 5 at one side of the box body, flows through the main runner 52, then continuously enters from the fast plug connector 432 and the butt plug 53 which are in fast plug butt joint, then flows through the liquid cooling plate 42, and flows out from the water inlet and outlet interface 51 (which is used as a water outlet at this time) of the external liquid cooling flow guiding unit 5 at the other side of the lower box body, so that heat exchange is completed.
It should be noted that, regarding the water inlet and outlet port 51, the main flow channel 52, the quick plug 53, and the port protection partition 54, the functions of these are to connect the battery system with an external liquid cooling system (for example, the original liquid cooling cycle of the whole vehicle on the whole vehicle), and uniformly distribute the cooling liquid on the main flow channel 52 to each branch (i.e., the branch where each liquid cooling plate is located).
The water inlet and outlet ports 51 on the two liquid cooling diversion units 5 outside the box body are used for being connected with an external liquid cooling system. In particular, the two water inlet and outlet interfaces 51 are respectively connected with the existing external liquid cooling equipment through hollow connecting pipelines. For example: the two water inlet and outlet ports 51 are respectively communicated with a liquid outlet and a liquid inlet of an external cooling pump (such as a water pump) through hollow connecting pipelines, and cooling liquid is injected into the liquid cooling plate and the connecting pipelines in advance.
The cooling liquid is flame-retardant cooling liquid or water. The external cooling pump (such as a water pump) is used for providing circulating power for the cooling liquid in the liquid cooling plate, so that the cooling liquid can flow in the liquid cooling plate and related connecting pipes. In particular, a radiator and a heater can be arranged on a connecting pipeline between the two water inlet and outlet interfaces and an external cooling pump (such as a water pump) so as to facilitate heat dissipation treatment of cooling liquid in summer and heat treatment of the cooling liquid in winter.
In the utility model, in particular implementation, heat conduction structural adhesive or a heat conduction pad is respectively filled between the side surface of each electric core and the adjacent liquid cooling plate and between the bottom of each electric core and the bottom top surface of the lower box body.
In the utility model, the heat conduction structural adhesive for heat conduction fixation is arranged between the large side surface of the battery core and the liquid cooling plate, so that the heat exchange area between the battery and the liquid cooling plate is ensured.
In the utility model, in particular implementation, the structure strength of the lower box body is matched, and a plurality of necessary reinforcing ribs can be arranged on the inner side of the peripheral panel of the lower box body, and the reinforcing rib structure is required to be configured according to the installation space of different vehicle types and the particular structural characteristics of the system, so that the structure is not described in the specification, but the structure belongs to the protection scope of the right of the utility model.
It should be noted that, for the present utility model, the lower case structure of the present utility model includes, but is not limited to, the above main components, and other components for structural reinforcement, protection, installation or indirect connection have been omitted for clarity of illustrating the main features and functions thereof.
In the present utility model, the liquid cooling plate 42, the liquid cooling joint 43 and the lower case body 41 are formed into an integral structure by welding, thereby ensuring the tightness.
In the present utility model, the lower case body 41, the liquid cooling plate 42 and the liquid cooling joint 43 are welded integrally, so that the IP67 protection requirement can be satisfied. A plurality of equidistant cabins are formed among the liquid cooling plates 42, and the cabins can meet the requirement of the placing space of the battery cells in the energy storage unit 3; meanwhile, the integrated structure of the liquid cooling plate 42 and the lower box body 41 replaces the design of the transverse longitudinal beam in the original box body, the overall structural strength of the lower box body is enhanced, and the battery cells are isolated from each other through the liquid cooling plate, so that the rapid heat spreading among the battery cells caused by thermal runaway of the single battery cells is eliminated.
In the utility model, in particular implementation, the upper cover 1 is connected with the lower box body 4 through a plurality of bolts distributed at intervals;
in the concrete implementation, the peripheral edge of the upper cover 1 is a turned edge, and a plurality of first through holes are distributed on the turned edge at intervals;
a circle of frame is circumferentially arranged at the peripheral edge of the top of the lower box body 4;
the frame is provided with second through holes at positions corresponding to the through holes respectively, and a rivet nut is fixedly arranged on each second through hole;
each bolt sequentially passes through the corresponding first through hole and the blind rivet nut and is fixedly connected with the blind rivet nut through threads.
In the present utility model, in particular implementation, a sealing rubber ring distributed in a surrounding manner is disposed between the bottom of the upper cover 1 and the top of the lower case 4.
In the utility model, when the upper cover 1 and the lower box body 4 are tightly buckled together, the sealing ring between the upper cover 1 and the lower box body 4 is extruded, the compression amount of the sealing ring is more than 50%, no gap is reserved between the upper cover 1 and the lower box body 4, and the sealing performance is better.
In the utility model, the upper cover 1 is made of composite material PCM, SMC, three-series or five-series aluminum alloy or sheet metal.
In the present utility model, the heat shield 2 is preferably a mica heat shield.
In the utility model, in particular implementation, the battery system of the utility model also comprises an electrical system 6, wherein the electrical system is a matched electrical system in the existing battery system, is an mature electrical module in the prior art, can effectively collect information such as current transmission, voltage, temperature and the like, and can ensure safe and effective operation of the battery system by accurately managing the Battery Management System (BMS); the electrical system includes a high voltage current connection bank and a low voltage control system including a low voltage harness and a BMS. The structural design and the connection mode of the electrical system adopt the conventional structural design and the connection mode, and are not repeated here.
In the utility model, the novel battery system provided by the utility model has better system heat dissipation capacity and structural strength compared with the existing common battery system through inspection, and can meet the charge and discharge requirements of a battery core with larger current.
Compared with the prior art, the novel battery system provided by the utility model has the following beneficial effects:
1. the heat management system including the liquid cooling plate and the liquid cooling joint is free of interfaces in the lower box body, can adopt a box body integrated structure, and greatly reduces the risk of leakage of liquid and cold water in the lower box body.
2. The whole of lower box is cut apart by a plurality of liquid cooling boards, forms the structure of many cabins, and the liquid cooling board has still acted as the structural action of strengthening rib when playing the liquid cooling function, has increased system overall structure intensity.
3. The cooling contact surface of the battery cell is changed from the bottom surface of the battery cell in the traditional cooling mode into a large surface of the battery cell, so that the contact area is greatly increased, and the cooling effect on the battery cell is more effectively ensured.
4. The battery cells are separated by the liquid cooling plate, so that a heat spreading channel between the battery cells is blocked, and the heat spreading condition between the battery cells in thermal runaway is greatly improved.
5. The module structure is completely canceled, and the battery cell is directly assembled in the box body, so that materials such as an end plate, a bracket, a steel belt and the like in the original module structure are canceled, the types of raw materials are greatly reduced, and the manufacturing cost is reduced.
In summary, compared with the prior art, the novel battery system provided by the utility model has the advantages that the design is scientific, the liquid cooling contact area of the battery can be increased, the liquid cooling effect on the battery is ensured, the thermal management capability of the system is effectively improved, the temperature of the system is effectively controlled, meanwhile, the heat spreading among the batteries can be effectively blocked through the liquid cooling plate, the safety of the system is further enhanced, and the novel battery system has great practical significance.
Through inspection, the utility model can improve the volume rate of the battery system and the energy density of the battery system while improving the overall structural strength of the system.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (8)
1. A novel battery system, comprising a hollow system housing;
the system shell comprises an upper cover (1) and a lower box body (4);
an energy storage unit (3) is arranged in the inner cavity of the system shell;
the energy storage unit (3) comprises a plurality of transversely distributed battery cell transverse rows;
each cell transverse row comprises a plurality of cells longitudinally arranged in parallel;
a heat insulation board (2) which is horizontally distributed is arranged between the top of the energy storage unit (3) and the bottom of the upper cover (1);
the lower box body (4) comprises a lower box body (41), a plurality of liquid cooling plates (42) and a plurality of liquid cooling joints (43);
the plurality of liquid cooling plates (42) are transversely and equidistantly arranged in the inner cavity of the system shell, and transverse gaps between any two adjacent liquid cooling plates (42) are respectively used for placing at least one longitudinally distributed battery cell;
the front end and the rear end of each liquid cooling plate (42) are respectively provided with a cooling liquid inlet and outlet (421);
the inside of each liquid cooling plate (42) is provided with a plurality of liquid cooling cavities (422) which are longitudinally distributed;
the front end and the rear end of each liquid cooling cavity (422) are respectively communicated with a cooling liquid inlet and outlet (421);
a cavity supporting wall (423) which is longitudinally distributed is arranged between any two adjacent liquid cooling cavities (422);
the front and rear side panels of the lower box body (4) are respectively provided with a vertically distributed liquid cooling joint mounting opening (401) at positions corresponding to the cooling liquid inlets (421) at the front and rear ends of each liquid cooling plate (42);
each liquid cooling joint (43) is of a hollow structure, and one end of the liquid cooling joint, which faces the energy storage unit (3), is provided with vertically distributed strip water gaps (431);
the strip water gap (431) is communicated with the inner cavity of the liquid cooling joint (43);
the strip water gap (431) of each liquid cooling joint (43) is connected with a cooling liquid inlet (421) corresponding to the position after passing through one liquid cooling joint installation opening (401);
the liquid cooling connectors (43) are positioned at the front side or the rear side of the lower box body (4) and are respectively connected with a liquid cooling flow guiding unit (5) outside the box body;
the water inlet and outlet ports on the two box body external liquid cooling flow guiding units (5) are respectively communicated with the liquid inlet and the liquid outlet on the external liquid cooling equipment.
2. The novel battery system of claim 1, wherein two adjacent cavity support walls (423) are offset.
3. The novel battery system of claim 1, wherein a circular snap-in connector (432) is provided on top of each liquid-cooled connector (43);
the quick connector (432) is communicated with the inner cavity of the liquid cooling connector (43) where the quick connector is positioned;
and a plurality of quick connectors (432) positioned at the front side or the rear side of the lower box body (4) are respectively connected with a liquid cooling flow guiding unit (5) outside the box body.
4. The novel battery system according to claim 1, wherein each of the liquid cooling diversion units (5) outside the case body comprises a water inlet and outlet interface (51), a main runner (52) and a plurality of butt plugs (53);
the left end of each hollow main runner (52) is respectively provided with a water inlet and outlet interface (51);
the bottom of each main runner (52) is provided with a butt joint plug (53) at a position corresponding to each liquid cooling joint (43);
each butt plug (53) is used for being spliced with one liquid cooling joint (43).
5. The novel battery system as claimed in claim 4, wherein for each of the liquid-cooled outside-case diversion units (5), the bottom of the main flow passage (52) is provided with a vertically distributed interface protection partition plate (54) on the left and right sides of each of the docking plugs (53), respectively.
6. The novel battery system of claim 1, wherein a thermal conductive structural adhesive or a thermal conductive pad is filled between the side surface of each cell and the adjacent liquid cooling plate, and between the bottom of each cell and the bottom top surface of the lower case, respectively.
7. The novel battery system according to claim 1, wherein the upper cover (1) and the lower case (4) are connected by a plurality of bolts distributed at intervals;
the peripheral edge of the upper cover (1) is a turned edge, and a plurality of first through holes are distributed on the turned edge at intervals;
a circle of frame is circumferentially arranged at the peripheral edge of the top of the lower box body (4);
the frame is provided with second through holes at positions corresponding to the through holes respectively, and a rivet nut is fixedly arranged on each second through hole;
each bolt sequentially passes through the corresponding first through hole and the blind rivet nut and is fixedly connected with the blind rivet nut through threads.
8. The novel battery system according to any one of claims 1 to 7, characterized in that a circumferentially distributed sealing rubber ring is arranged between the bottom of the upper cover (1) and the top of the lower case (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223022674.0U CN218957840U (en) | 2022-11-14 | 2022-11-14 | Novel battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223022674.0U CN218957840U (en) | 2022-11-14 | 2022-11-14 | Novel battery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218957840U true CN218957840U (en) | 2023-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223022674.0U Active CN218957840U (en) | 2022-11-14 | 2022-11-14 | Novel battery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218957840U (en) |
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2022
- 2022-11-14 CN CN202223022674.0U patent/CN218957840U/en active Active
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