CN117039277B - Ant cave CTP power battery system adopting cylindrical battery cell - Google Patents
Ant cave CTP power battery system adopting cylindrical battery cell Download PDFInfo
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- CN117039277B CN117039277B CN202311157188.6A CN202311157188A CN117039277B CN 117039277 B CN117039277 B CN 117039277B CN 202311157188 A CN202311157188 A CN 202311157188A CN 117039277 B CN117039277 B CN 117039277B
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- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 6
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- 241000256602 Isoptera Species 0.000 claims description 6
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- 210000001503 joint Anatomy 0.000 claims description 4
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- 238000012546 transfer Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 abstract description 26
- 238000004519 manufacturing process Methods 0.000 abstract description 23
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 abstract description 13
- 235000019253 formic acid Nutrition 0.000 abstract description 13
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Aviation & Aerospace Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the technical field of power batteries, in particular to an ant cavity CTP power battery system adopting a cylindrical electric core; comprises a lower box body and a battery cell above the lower box body; the bottom plate of the lower box body adopts an aluminum casting; the front surface of the bottom plate is a formic nest for placing the battery cell; the back surface of the bottom plate is provided with a liquid cooling runner with ravines between formic acid nest positions, and the liquid cooling runner and the formic acid nest are integrally cast and formed and are used for giving heat management to the battery cells in the formic acid nest; according to the invention, the bottom of the lower box body of the battery pack is integrally cast, the front surface is a formic acid nest for placing the battery core, the back surface is a ravine longitudinal and transverse liquid cooling runner for carrying out system heat management, the battery core in the formic acid nest is provided to work in a comfortable temperature range, the integral strength and rigidity of the lower box body of the battery pack are improved by integrally casting the bottom of the lower box body, and Guan Wuliao of independently installed liquid cooling plate supporting pads and the like are reduced, so that the automatic production of a CTP battery system is realized.
Description
Technical Field
The invention relates to the technical field of power batteries, in particular to an ant cavity CTP power battery system adopting a cylindrical cell.
Background
With the problems of global environment deterioration, resource reduction and the like, each large automobile factory shifts the line of sight to new energy automobiles. Various electric vehicles such as hybrid electric vehicles, pure electric vehicles and extended range electric vehicles are layered endlessly. On the new energy electric automobile, the power battery system is a key part. With the increasing demand of power battery systems and the increasing demands on the production efficiency and consistency of battery packs, the integrated design of each part of the power battery system is imperative. At present, the integration scheme of the power battery system mainly adopts a scheme with a module and a CTP without a module.
The current cylinder CTP technique that adopts needs to have large-scale electric core to place the subassembly, and the assembly level is more, and cold plate and bottom half separation can't realize the battery system automated production of cylinder electric core when power battery package production, and the material influences whole package off-line efficiency more, and the line production process is also longer to cause the line to throw into greatly. In order to solve the problems that materials adopting a cylindrical cell CTP scheme are low in multi-integration efficiency, production procedures are long in production line, and assembly levels are too many to be produced automatically, an ant cavity CTP power battery system adopting a cylindrical cell is designed.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides the ant cavity CTP power battery system adopting the cylindrical battery cell, wherein the bottom of the battery pack lower box body is integrally cast, the front surface is a battery cell for placing the battery cell, the back surface is a liquid cooling runner with a gully and a longitudinal and a transverse, the battery pack lower box body is used for carrying out system thermal management, the battery cell in the battery cell is provided to work in a comfortable temperature range, the whole strength and rigidity of the battery pack lower box body are improved by adopting the whole casting at the bottom of the lower box body, the number of independently installed liquid cooling plate supporting pads and the like Guan Wuliao is reduced, and the automatic production of the CTP battery system is realized.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to an ant hole CTP power battery system adopting a cylindrical electric core, which comprises a lower box body and an electric core above the lower box body; the bottom plate of the lower box body adopts an aluminum casting; the front surface of the bottom plate is a formic nest for placing the battery cell; the back surface of the bottom plate is provided with a liquid cooling runner with ravines between formic acid nest positions, and the liquid cooling runner and the formic acid nest are integrally cast and formed and used for giving heat management to the battery cells in the formic acid nest so that the battery cells work comfortably in the formic acid nest; the formic nest consists of a plurality of ant hole bodies which are adjacently arranged; the battery cell is arranged in the ant cavity body.
Preferably, the battery cell in the ant hole body adopts a cylindrical battery cell with positive and negative electrodes at the same side; the bottom of the battery cell is provided with an insulating protection support, the insulating protection support is in full-automatic butt joint with the bottom of the battery cell, and the insulating protection support is automatically inserted when the battery cell is on line; the ant cavity body of the lower box body is internally injected with heat conduction structural adhesive; the heat conduction structural adhesive fills the gap between the battery cell and the ant cavity body and realizes the fixation and heat transfer of the battery cell;
the internal integrated formic nest of this system and liquid cooling runner's lower box, electric core, insulating protection support, signal acquisition handles flexible integrated circuit board, battery management system, heat conduction structure glue, high pressure control box, liquid cooling pipe, connector, female row, pencil, upper cover, the inside design of ant cave battery system has the exhaust to lead to, and the outer box designs has the pressure release mouth, and this an ant cave CTP power battery system design scheme that adopts the cylinder electric core can realize that whole battery system's production process automation rate reaches more than 95%.
Preferably, the front surface of the bottom plate is provided with a dismounting groove at a position close to the corresponding ant cavity body; the depth of the detaching groove is identical to that of the ant cavity body; the disassembly groove is communicated with the ant cavity body through a communication groove; the disassembly groove is internally and rotatably connected with an inner hexagon bolt; one end of the inner hexagon bolt extends to the bottom of the dismounting groove, and the other end extends to the notch of the dismounting groove; the inner wall of the ant cavity body is connected with a supporting plate in a sliding way; the connecting groove is movably connected with a connecting plate; one end of the connecting plate is fixedly connected with the outer wall of the supporting plate, and the upper end surface of the other end of the connecting plate is penetrated through a threaded hole which is formed in a threaded transmission manner with the inner hexagon bolt; the supporting plate is made of a heat-conducting material; the socket head cap bolts drive the supporting plates to move the corresponding battery cells out of the ant cavity body under the action of being screwed.
Preferably, the communication groove is movably connected with a movable strip in a sealing way up and down; the movable strip is fixedly connected with the upper end surface of the connecting plate; the connecting plate is in sliding sealing connection with the communicating groove; the supporting plate is in sliding sealing connection with the inner wall of the ant cavity body.
Preferably, a first spring is arranged in the disassembly groove; the first spring is positioned between the head of the inner hexagon bolt and the upper end face of the supporting plate; the first spring is sleeved on the outer wall of the threaded section of the inner hexagon bolt; and the first spring drives the connecting plate to move close to the bottom wall of the dismounting groove under the condition that the inner hexagon bolt is loosened.
Preferably, a hexagonal groove is formed in the other end of the inner hexagon bolt; the inner wall of the hexagonal groove is connected with a hexagonal block in a sliding manner; the lower surface of the hexagonal block is connected with the bottom wall of the hexagonal groove through a second spring; the upper end face of the hexagonal block is flush with the other end face of the inner hexagonal bolt under the action of the second spring, and dust prevention of the hexagonal groove is achieved.
Preferably, one end of the inner hexagon bolt, which is lower, penetrates through the back surface of the bottom plate and is flush with the back surface of the bottom plate, and one end of the inner hexagon bolt is rotationally connected with the bottom plate; the outer walls of one end of the hexagonal groove and one end of the inner hexagon bolt are provided with through holes; the through hole is connected with a sliding rod in a sliding way; one end of the sliding rod is fixedly connected with the lower surface of the hexagonal block, and the other end of the sliding rod is flush with the lower end of the inner hexagon bolt.
Preferably, the threaded hole on the connecting plate is in threaded transmission sealing connection with the inner hexagon bolt; the connecting plate is in sliding sealing connection with the dismounting groove; the movable strip is in sliding sealing connection with the communication groove; the supporting plate is in sliding sealing connection with the ant cavity body; one end of the inner hexagon bolt, which is close to the lower end, is in rotary sealing connection with the bottom plate; the bottom of the bottom plate is provided with air holes; one end of the air hole is communicated with the bottom wall of the ant cavity body, and the other end of the air hole is communicated with outside air; the air hole penetrates through a bottom plate space where the lower end of the inner hexagon bolt is positioned; the outer wall of the lower end of the inner hexagon bolt is communicated with the wall of the through hole through a first hole; the outer wall of the sliding rod is positioned in the through hole and is provided with an annular groove in the annular direction; the annular groove is communicated with the first hole after the sliding rod moves; the supporting plate can move upwards under the condition that the bottom wall of the ant cavity body is communicated with the outside; the through hole is connected with a sliding rod in a sliding sealing way.
Preferably, the head of the inner hexagon bolt is in rotary sealing connection with the dismounting groove; the movable strip is in rotary sealing connection with the head of the inner hexagon bolt; the space between the head of the inner hexagon bolt and the connecting plate is a dredging cavity; the dredging cavity is communicated with the inside of the ant cavity body through a one-way air outlet; the unidirectional air outlet holes are arranged on the movable strip in a penetrating way and close to the connecting plate; the gas in the dredging cavity can enter the ant cavity body along the unidirectional gas outlet hole in the upward moving process of the connecting plate, so that the heat-conducting structural adhesive can be loosened.
The beneficial effects of the invention are as follows:
1. according to the invention, the bottom of the lower box body of the battery pack is integrally cast, the front surface is a formic acid nest for placing the battery core, the back surface is a ravine longitudinal and transverse liquid cooling runner for carrying out system heat management, the battery core in the formic acid nest is provided to work in a comfortable temperature range, the integral strength and rigidity of the lower box body of the battery pack are improved by integrally casting the bottom of the lower box body, and Guan Wuliao of independently installed liquid cooling plate supporting pads and the like are reduced, so that the automatic production of a CTP battery system is realized.
2. According to the invention, the inner hexagon bolts drive the supporting plates to move the single battery cells out of the corresponding ant nest bodies, so that the process of detaching the damaged battery cells from the center of the ant nest is realized, and the problem that the single battery cells are difficult to detach and replace from the center of the ant nest is solved.
3. According to the invention, under the condition that the hexagon wrench positively rotates the hexagon socket head cap screw, the connecting plate is driven to move upwards to extrude the dredging cavity, gas in the dredging cavity is pressed to enter the inside of the ant cavity body along the unidirectional gas outlet hole, the gas can fill a gap between the ant cavity body and the heat conducting structural adhesive, the heat conducting structural adhesive is loosened after the gas is filled, the adhesive force of the heat conducting structural adhesive is reduced, and the supporting plate can smoothly push the battery cell, the insulating protective support and the heat conducting structural adhesive out of the inside of the ant cavity body.
Drawings
The invention will be further described with reference to the drawings and embodiments.
Fig. 1 is an exploded view of a battery system;
FIG. 2 is a schematic illustration of a battery cell cartridge;
FIG. 3 is a front and back view of the base plate;
FIG. 4 is a schematic diagram of a liquid cooling flow path;
FIG. 5 is a position diagram of a signal acquisition processing flexible integrated circuit board;
fig. 6 is a position diagram of the pallet and socket head cap bolts;
FIG. 7 is an enlarged view at A in FIG. 6;
fig. 8 is an enlarged view at B in fig. 6;
fig. 9 is an enlarged view at B in fig. 6;
FIG. 10 is an exploded view of examples 2-4.
In the figure: the lower box body 1, the bottom plate 11, the formic nest 12, the ant nest body 121, the liquid cooling runner 13, the dismounting groove 14, the communication groove 15, the air hole 16, the battery core 2, the insulation protection support 21, the heat conduction structural adhesive 22, the signal acquisition processing flexible integrated circuit board 3, the battery management system 4, the high-voltage control box 41, the liquid cooling pipe 42, the connector 43, the busbar 44, the wire harness 45, the upper cover 5, the inner hexagon bolt 6, the first spring 61, the hexagon groove 62, the hexagon block 63, the second spring 64, the through hole 65, the slide bar 66, the annular groove 661, the first hole 67, the supporting plate 7, the connecting plate 8, the threaded hole 81, the movable bar 82, the dredging cavity 9 and the unidirectional air outlet 91.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 10, the present invention is described in detail in the following embodiments:
example 1:
an ant cavity CTP power battery system adopting a cylindrical battery cell comprises a lower box body 1 and a battery cell 2 above the lower box body 1; the method is characterized in that: the bottom plate 11 of the lower box body 1 adopts an aluminum casting; the front surface of the bottom plate 11 is provided with a formic nest 12 for placing the battery cell 2; the back surface of the bottom plate 11 is provided with a liquid cooling runner 13 with ravines and ravines between the formic nest 12, and the liquid cooling runner 13 and the formic nest 12 are integrally cast and formed and are used for giving thermal management to the battery cells 2 in the formic nest 12 so that the battery cells 2 work comfortably in the formic nest 12; the formic nest 12 is composed of a plurality of adjacently arranged ant hole bodies 121; the battery cell 2 is installed in the ant hole body 121.
In this embodiment, the battery cell 2 in the ant hole body 121 is a cylindrical battery cell with positive and negative electrodes on the same side; an insulating protection support 21 is arranged at the bottom of the battery cell 2, the insulating protection support 21 is in full-automatic butt joint with the bottom of the battery cell 2, and automatic insertion is performed when the battery cell 2 is on line; the heat-conducting structural adhesive 22 is injected into the ant cavity body 121 of the lower box body 1; the heat-conducting structural adhesive 22 fills the gap between the battery core 2 and the ant cavity body 121, and realizes the fixation and heat transfer of the battery core 2;
the technical characteristics are supplemented: the system integrates a lower box body 1 integrating a formic nest 12 and a liquid cooling runner 13, an electric core 2, an insulating protection support 21, a signal acquisition processing flexible integrated circuit board 3, a battery management system 4, a heat conduction structural adhesive 22, a high-voltage control box 41, a liquid cooling pipe 42, a connector 43, a busbar 44, a wire harness 45 and an upper cover 5, wherein the inside of the ant cavity battery system is designed with an exhaust vent, and the outside box body is designed with a pressure relief opening;
problems in the prior art: the existing cylindrical CTP technology requires a large-scale cell 2 placement component, the assembly level is more, the cold plate is separated from the bottom of the box body, automatic production of a battery system of the cylindrical cell cannot be realized during production of a power battery pack, the material affects the whole pack discharging efficiency, and the production line is large due to longer production line process and large production line investment;
when the battery pack is in operation, the front side of the bottom plate 11 of the lower box body 1 of the battery pack of the ant cave battery system is provided with the ant nest 12 from the battery cell 2, the back side of the battery pack is provided with the liquid cooling runner 13, each ant nest 12 of the lower box body 1 is internally and quantitatively injected with the heat conducting structural adhesive 22, the battery cell 2 and the insulating protective support 21 are automatically inserted and assembled, the battery cell 2 components of the insulating protective support 21 are integrally inserted into the ant nest 12 of the lower box body 1 in a row, the signal acquisition processing flexible integrated circuit board 3 is integrally placed on the inserted battery cell 2, automatic compression welding is carried out, the external connector 43 of the ant cave battery system is installed, the battery management system 4, the high-voltage control box 41, the liquid cooling pipe 42 and the busbar 44 are installed, the wiring harness 45 is installed, the signal acquisition processing flexible integrated circuit board 3 is connected, the battery management system 4 is connected, the high-voltage control box 41 is connected, and finally the assembly of the battery pack upper cover 5 is completed;
the bottom of the lower box body 1 of the battery pack is integrally cast, the front surface is a formic acid nest 12 for placing the battery cells 2, the back surface is a ravine longitudinal and transverse liquid cooling runner 13 for carrying out system heat management, the battery cells 2 in the formic acid nest 12 are provided to work in a comfortable temperature range, the integral strength and rigidity of the lower box body 1 of the battery pack are improved by integrally casting the bottom of the lower box body 1, the number of independently installed liquid cooling plate supporting pads and the like Guan Wuliao is reduced, and the automatic production of a CTP battery system is realized; the lower box body 1 of the ant hole battery pack is integrally cast, the weight is light, the processing amount is small, compared with the traditional lower box body 1 of the battery pack with a plurality of aluminum profile splice welding bottom plates 11, the production efficiency is over 40 percent, and the cost of the lower box body 1 is reduced by 20 percent;
the battery cell 2 in the ant cavity body 121 adopts a cylindrical battery cell 2 with positive and negative electrodes at the same side, the bottom of the battery cell 2 is provided with an insulating protection support 21, the insulating protection support 21 is in full-automatic butt joint with the bottom of the battery cell 2, automatic insertion is performed when the battery cell 2 is on line, manual work and development of a tray for placing the large battery cell 2 are reduced, the support cost is low, the production efficiency is high, and full-automatic assembly can be realized; the battery cell 2 inserted with the insulating protection bracket 21 can be fully automatically inserted into the ant nest 12 by an automatic production line, so that the gap between the battery cell 2 and the ant nest body 121 can be ensured, and the battery can be effectively protected during insertion, thereby improving the insertion production efficiency and the yield; the heat conduction structural adhesive 22 is automatically injected into the ant cavity body 121 of the battery pack lower box body 1, the heat conduction structural adhesive 22 fixes the battery core 2 and fills a gap between the battery core 2 and the ant nest 12, so that efficient heat transfer and fixation are realized;
the ant hole battery system adopts an integral signal acquisition and processing flexible integrated circuit board 3, a single voltage acquisition and temperature sampling processing module and a high-voltage confluence aluminum busbar are integrated on the flexible integrated circuit board, the whole is put down, then the battery is welded with a battery cell 2 through laser, and the material on the line is only a single integrated piece and is automatically welded after being automatically fed, so that the production efficiency is improved, the material and the manufacturing cost are reduced, and the full-automatic production is realized; compared with the scheme of the traditional cylindrical cell CTP battery system, the material quantity of the cylindrical cell 2 is reduced by more than 30%.
Embodiment 2, this embodiment differs from embodiment 1 in that:
the front surface of the bottom plate 11 is provided with a detaching groove 14 at a position close to the corresponding ant cavity body 121; the depth of the detaching groove 14 is identical to the depth of the ant hole body 121; the detaching groove 14 is communicated with the ant cavity body 121 through the communicating groove 15; the disassembly groove 14 is rotationally connected with the inner hexagon bolt 6; one end of the inner hexagon bolt 6 extends to the bottom of the dismounting groove 14, and the other end extends to the notch of the dismounting groove 14; the inner wall of the ant cavity body 121 is connected with the supporting plate 7 in a sliding way; the connecting plate 8 is movably connected in the communicating groove 15; one end of the connecting plate 8 is fixedly connected with the outer wall of the supporting plate 7, and a threaded hole 81 penetrating through the upper end surface of the other end is in threaded transmission connection with the inner hexagon bolt 6; the supporting plate 7 is made of heat conducting materials; the socket head cap bolts 6 drive the supporting plates 7 to move the corresponding battery cells 2 out of the ant cavity body 121 under the action of screwing.
In this embodiment, the movable strip 82 is movably connected in the communication slot 15 in a sealing manner up and down; the movable strip 82 is fixedly connected with the upper end face of the connecting plate 8; the connecting plate 8 is in sliding sealing connection with the communicating groove 15; the supporting plate 7 is in sliding sealing connection with the inner wall of the ant cavity body 121;
when the termite nest structure works, under the condition that a single battery cell 2 needs to be maintained and replaced, the battery cell 2 close to the edge of the termite nest 12 can be pulled out towards the direction away from the bottom wall of the termite nest body 121 after the upper half part of the battery cell 2 is clamped by a tool, but for one battery cell 2 close to the center of the termite nest 12, the surrounding battery cell 2 surrounds the damaged battery cell 2, the upper end face of the surrounding battery cell 2 is flush with the upper end face of the damaged battery cell 2, so that a worker is difficult to directly take down the battery cell 2 at the center of the termite nest 12 beyond the surrounding battery cell 2;
therefore, the worker of the invention can detect the position of the ant nest 12 where the damaged battery cell 2 is positioned according to the detection equipment, find the ant nest body 121 where the battery cell 2 is positioned and the dismounting groove 14 where the ant nest body 121 is communicated, then insert one end of the socket wrench into the hexagonal groove 62 at the other end of the socket bolt 6, then rotate the socket wrench to drive the socket bolt 6 to rotate in the dismounting groove 14, the socket bolt 6 in the dismounting groove 14 can drive the connecting plate 8 in threaded transmission connection to move from bottom to top in the rotating process, the movable strip 82 at the upper end and the supporting plate 7 at one end can be driven to move upwards synchronously in the moving process of the connecting plate 8, the supporting plate 7 can be driven to move upwards synchronously for the battery cell 2 and the insulating protective bracket 21, so that the battery cell 2 and the insulating protective bracket 21 move upwards in the ant nest body 121 after overcoming the cohesive force of the heat conducting structural adhesive 22, the damaged battery cell 2 is moved out of the ant hole body 121 under the condition that the supporting plate 7 is supported and moved upwards, the damaged battery cell 2 protrudes out of the surrounding battery cell 2 after being moved upwards, then a worker clamps the upper half part of the damaged battery cell 2 by using a clamping tool, the damaged battery cell 2, the insulating protection support 21 and the heat conducting structural adhesive 22 are pulled away from the supporting plate 7, the residual heat conducting structural adhesive 22 on the supporting plate 7 is cleaned, the inner hexagon bolt 6 is reversely rotated by using an inner hexagon wrench, the inner hexagon bolt 6 drives the connecting plate 8 to move downwards under the action of spiral transmission after the inner hexagon bolt 6 reversely rotates, the movable strip 82 and the supporting plate 7 are synchronously moved downwards in the downward moving process of the connecting plate 8, the supporting plate 7 is driven to move to the bottom wall position of the ant hole body 121 by the connecting plate 8, the movable strip 82 is embedded into the communicating groove 15 after the downward moving, the communicating groove 15 is sealed with the movable strip 82, then, after the worker injects the new heat conduction structural adhesive 22 into the hollow ant hole body 121, the battery cell 2 assembly after the new insulating protective support 21 is assembled by inserting the battery cells 2 into the hollow ant hole body 121, so that the process of replacing the single battery cell 2 in the central position of the ant nest 12 is realized;
according to the embodiment, the inner hexagon bolts 6 drive the supporting plates 7 to move the single battery cells 2 out of the corresponding ant hole bodies 121, so that the process of detaching the damaged battery cells 2 from the center of the ant nest 12 is realized, and the problem that the single battery cells 2 are difficult to detach and replace from the center of the ant nest 12 is solved.
Embodiment 3, this embodiment differs from embodiment 2 in that:
a first spring 61 is arranged in the dismounting groove 14; the first spring 61 is positioned between the head of the inner hexagon bolt 6 and the upper end face of the supporting plate 7; the first spring 61 is sleeved on the outer wall of the thread section of the inner hexagon bolt 6; the first spring 61 drives the connecting plate 8 to move close to the bottom wall of the dismounting groove 14 under the condition that the inner hexagon bolt 6 is loosened;
when the socket head cap screw is in operation, the head part of the socket head cap screw 6 refers to the other end of the socket head cap screw 6, and the thread section of the socket head cap screw 6 refers to the outer wall with threads of the socket head cap screw 6; under the condition that a worker needs to move out the damaged battery core 2 from the inside of the corresponding ant hole body 121, the worker can screw the inner hexagon bolt 6 to rotate positively through the inner hexagon wrench, the inner hexagon bolt 6 can drive the connecting plate 8 to overcome the elastic force of the first spring 61 in the forward rotation process, the connecting plate 8 can drive the supporting plate 7 to move upwards synchronously in the process of moving away from the bottom of the detaching groove 14, the battery core 2 and the insulating protective support 21 are moved out of the inside of the corresponding ant hole body 121 in the upward movement process of the supporting plate 7, after the heat conduction structural adhesive 22 on the supporting plate 7 is cleaned, the worker loosens the head of the inner hexagon bolt 6, the first spring 61 can push the connecting plate 8 to be close to the bottom of the detaching groove 14, compared with the original reverse screwing of the inner hexagon bolt 6, the detaching work of the battery core 2 is greatly facilitated, the connecting plate 8 can drive the supporting plate 7 and the movable strip 82 to return in the returning process in the pushing of the first spring 61, the first spring 61 can always give the connecting plate 8 and the supporting plate 7 a downward force to the corresponding ant hole body, and the stability of the battery core 121 cannot be guaranteed in the inner cavity 121.
Example 4, this example differs from example 3 in that:
the other end of the inner hexagon bolt 6 is provided with a hexagon groove 62; the inner wall of the hexagonal groove 62 is slidably connected with a hexagonal block 63; the lower surface of the hexagonal block 63 is connected with the bottom wall of the hexagonal groove 62 through a second spring 64; the upper end face of the hexagonal block 63 is flush with the other end face of the hexagon socket head cap screw 6 under the action of the second spring 64, and dust prevention of the hexagonal groove 62 is achieved.
In this embodiment, the lower end of the socket head cap screw 6 passes through the back surface of the bottom plate 11 and is flush with the back surface, and one end of the socket head cap screw 6 is rotatably connected with the bottom plate 11; the hexagonal groove 62 and the outer wall of one end of the inner hexagon bolt 6 are provided with through holes 65; the through hole 65 is slidably connected with a slide bar 66; one end of the sliding rod 66 is fixedly connected with the lower surface of the hexagonal block 63, and the other end of the sliding rod is flush with the lower end of the hexagon socket head cap screw 6.
In the embodiment, the threaded hole 81 on the connecting plate 8 is in threaded transmission sealing connection with the inner hexagon bolt 6; the connecting plate 8 is in sliding sealing connection with the dismounting groove 14; the movable strip 82 is in sliding sealing connection with the communication groove 15; the supporting plate 7 is in sliding sealing connection with the ant cavity body 121; one end of the inner hexagon bolt 6, which is lower, is in rotary sealing connection with the bottom plate 11; the bottom of the bottom plate 11 is provided with an air hole 16; one end of the air hole 16 is communicated with the bottom wall of the ant cavity body 121, and the other end of the air hole is communicated with outside air; the air hole 16 penetrates through the space of the bottom plate 11 where the lower end of the inner hexagon bolt 6 is positioned; the outer wall of the lower end of the inner hexagon bolt 6 is communicated with the wall of the through hole 65 through a first hole 67; an annular groove 661 is formed on the outer wall of the sliding rod 66 and positioned in the through hole 65 in the circumferential direction; the annular groove 661 is communicated with the first hole 67 after the sliding rod 66 moves; the supporting plate 7 can move upwards under the condition that the bottom wall of the ant cavity body 121 is communicated with the outside; the through hole 65 is connected with a sliding rod 66 in a sliding sealing way.
In this embodiment, the head of the socket head cap screw 6 is rotationally and hermetically connected with the dismounting groove 14; the movable strip 82 is in rotary sealing connection with the head of the inner hexagon bolt 6; the space between the head of the inner hexagon bolt 6 and the connecting plate 8 is a dredging cavity 9; the dredging cavity 9 is communicated with the inside of the ant cavity body 121 through a one-way air outlet 91; the unidirectional air outlet hole 91 penetrates through the movable strip 82 and is close to the connecting plate 8; the gas in the dredging cavity 9 can enter the inside of the ant cavity body 121 along the unidirectional gas outlet hole 91 in the upward moving process of the connecting plate 8, so that the heat-conducting structural adhesive 22 is loosened;
when working, when the worker needs to take out the battery core 2 in the ant hole body 121 for replacement and maintenance, the worker inserts one end of the hexagonal wrench into the hexagonal groove 62, the hexagonal block 63 needs to be extruded and the second spring 64 is extruded in the process of inserting one end of the hexagonal wrench into the hexagonal groove 62, the hexagonal block 63 moves close to the bottom of the hexagonal groove 62 in the extrusion process of one end of the hexagonal wrench, the hexagonal block 63 moves close to the bottom of the hexagonal groove 62, the sliding rod 66 is driven to slide downwards in the through hole 65 in the process of moving close to the bottom of the hexagonal groove 62, one end of the sliding rod 66 protrudes to the lower end of the inner hexagonal bolt 6, the annular groove 661 on the outer wall of the sliding rod 66 is communicated with the first hole 67 after moving along with the sliding rod 66, the two ends of the air hole 16 are communicated with the first hole 67 and the annular groove 661, the sealing state of the bottom wall of the ant hole body 121 is relieved, then the worker drives the connecting plate 8 to move upwards to squeeze the cavity 9 under the condition that the hexagonal wrench rotates the inner hexagonal bolt 6 forwards through the hexagonal wrench, the air in the dredging cavity 9 is pressed to enter the inside of the ant cavity body 121 along the unidirectional air outlet hole 91, the air can be filled into the gap between the ant cavity body 121 and the heat conducting structural adhesive 22, the heat conducting structural adhesive 22 is loosened after the air is filled, the cohesive force of the heat conducting structural adhesive 22 is reduced, the supporting plate 7 can smoothly push the battery cell 2, the insulating protective support 21 and the heat conducting structural adhesive 22 out of the inside of the ant cavity body 121, in the process that the supporting plate 7 moves from bottom to top in the inside of the ant cavity body 121, the external air can enter the bottom space of the ant cavity body 121 along the other end of the air hole 16, one of the first hole 67, the annular groove 661, the other first hole 67 and the other end of the air hole 16, so that the space below the supporting plate 7 keeps consistent with the external air pressure, after the supporting plate 7 moves up to the extreme limiting position along with the driving of the connecting plate 8, the staff will remove one end of the socket wrench from the hexagonal groove 62, the second spring 64 will push the hexagonal block 63 to move upwards, the sliding rod 66 will be driven to move upwards in the through hole 65 during the upward movement of the hexagonal block 63, so that the annular groove 661 is staggered with the first hole 67 to realize the closing of the air hole 16, so that the air in the space below the supporting plate 7 in the ant cavity body 121 cannot be discharged, even under the action of the first spring 61, the supporting plate 7 cannot be reset, then the staff presses the hexagonal block 63 according to the depth dimension of the battery cell 2, the hexagonal block 63 will drive the annular groove 661 on the sliding rod to communicate with the first hole 67 again under the compression, the first spring 61 will press the connecting plate 8 to move downwards, the connecting plate 8 will drive the supporting plate 7 to move downwards and press the air below, so that the air below the supporting plate 7 can be discharged along the air hole 16, the downward moving position of the supporting plate 7 is stopped after the hexagonal block 63 is loosened, so that the supporting plate 7 can adjust the depth of the ant hole body 121, the installation requirements of the battery cells 2 with different specifications are met, after a worker stops pressing the hexagonal block 63, the second spring 64 drives the upper end face of the hexagonal block 63 to shield the hexagonal groove 62, impurities are prevented from entering to influence the insertion of a hexagonal wrench, the anti-blocking purpose is achieved, the annular groove 661 is staggered with the first hole 67, the air hole 16 is also cut off, under the condition that the air below the supporting plate 7 cannot be discharged, the supporting plate 7 is locked, the battery cells 2 are controlled to be more stable in the operation process of the battery system, and finally the worker injects the heat conducting structural adhesive 22 into the ant hole body 121 of the hole, and the heat conducting structural adhesive 22 is only in the ant hole body 121 because the unidirectional air inlet hole 16 is unidirectional; after the bottom plate 11 is mounted, the lower end of the through hole 65 is shielded, so that shielding of the lower end of the slide bar 66 is realized, the slide bar 66 cannot move downwards, and locking of the slide bar 66 is realized.
The socket head cap screws 6 in this application are thickened so as to accommodate the installation of slots and other components, all of the elements of this application may be cut and then the slots machined for subsequent assembly, but do not represent an optimal manner, and all of the slots or holes in this application are otherwise clear of the liquid cooling channels 13.
In the description of the present invention, it should be noted 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 fig. 1, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of the present invention, and furthermore, the terms "first", "second", "third", etc. are merely used for distinguishing the description, and should not be construed as indicating or implying relative importance.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. An ant cavity CTP power battery system adopting a cylindrical battery cell comprises a lower box body (1) and a battery cell (2) above the lower box body (1); the method is characterized in that: the bottom plate (11) of the lower box body (1) adopts an aluminum casting; the front surface of the bottom plate (11) is provided with a formic nest (12) for placing the battery cell (2); the back surface of the bottom plate (11) is provided with a liquid cooling runner (13) with ravines and ravines between positions of the formic nest (12), and the liquid cooling runner (13) and the formic nest (12) are integrally cast and formed and are used for giving heat management to the battery cells (2) in the formic nest (12); the formic nest (12) is composed of a plurality of termite nest bodies (121) which are adjacently arranged; the battery cell (2) is arranged in the ant cavity body (121);
the battery cell (2) in the ant cavity body (121) adopts a cylindrical battery cell with positive and negative electrodes at the same side; an insulating protection support (21) is arranged at the bottom of the battery cell (2), the insulating protection support (21) is in full-automatic butt joint with the bottom of the battery cell (2), and automatic insertion is performed when the battery cell (2) is on line; the heat conduction structural adhesive (22) is injected into the ant cavity body (121) of the lower box body (1); the heat conduction structural adhesive (22) fills gaps between the battery cell (2) and the ant cavity body (121) and realizes fixation and heat transfer of the battery cell (2);
a detaching groove (14) is formed in the front surface of the bottom plate (11) and close to the corresponding ant cavity body (121); the depth of the dismounting groove (14) is consistent with the depth of the ant cavity body (121); the disassembly groove (14) is communicated with the ant cavity body (121) through a communication groove (15); the disassembly groove (14) is rotationally connected with the inner hexagon bolt (6); one end of the inner hexagon bolt (6) extends to the bottom of the dismounting groove (14), and the other end extends to the notch of the dismounting groove (14); the inner wall of the ant cavity body (121) is connected with the supporting plate (7) in a sliding way; the connecting groove (15) is movably connected with the connecting plate (8); one end of the connecting plate (8) is fixedly connected with the outer wall of the supporting plate (7), and a threaded hole (81) penetrating through the upper end surface of the other end is in threaded transmission connection with the inner hexagon bolt (6); the inner hexagon bolt (6) drives the supporting plate (7) to move out the corresponding battery cell (2) from the ant cavity body (121) under the action of screwing;
the inside of the communication groove (15) is movably connected with a movable strip (82) in a sealing way up and down; the movable strip (82) is fixedly connected with the upper end surface of the connecting plate (8); the connecting plate (8) is in sliding sealing connection with the communicating groove (15); the supporting plate (7) is in sliding sealing connection with the inner wall of the ant cavity body (121);
the other end of the inner hexagon bolt (6) is provided with a hexagon groove (62); the outer walls of one end of the hexagonal groove (62) and one end of the inner hexagonal bolt (6) are provided with through holes (65); the through hole (65) is connected with a sliding rod (66) in a sliding way;
a threaded hole (81) on the connecting plate (8) is in threaded transmission sealing connection with the inner hexagon bolt (6); the connecting plate (8) is in sliding sealing connection with the dismounting groove (14); the movable strip (82) is in sliding sealing connection with the communication groove (15); the supporting plate (7) is in sliding sealing connection with the ant cavity body (121); one end of the inner hexagon bolt (6) which is close to the lower end is in rotary sealing connection with the bottom plate (11); an air hole (16) is formed in the bottom of the bottom plate (11); one end of the air hole (16) is communicated with the bottom wall of the ant cavity body (121), and the other end of the air hole is communicated with outside air; the air hole (16) penetrates through the space of the bottom plate (11) where the lower end of the inner hexagon bolt (6) is positioned; the outer wall of the lower end of the inner hexagon bolt (6) is communicated with the wall of the through hole (65) through a first hole (67); an annular groove (661) is formed in the outer wall of the sliding rod (66) and positioned in the through hole (65) in the annular direction; the annular groove (661) is communicated with the first hole (67) after the sliding rod (66) moves; the supporting plate (7) can move upwards under the condition that the bottom wall of the ant cavity body (121) is communicated with the outside; the through hole (65) is connected with a sliding rod (66) in a sliding sealing manner;
the head of the inner hexagon bolt (6) is rotationally and hermetically connected with the dismounting groove (14); the movable strip (82) is in rotary sealing connection with the head of the inner hexagon bolt (6); the space between the head of the inner hexagon bolt (6) and the connecting plate (8) is a dredging cavity (9); the dredging cavity (9) is communicated with the inside of the ant cavity body (121) through a one-way air outlet hole (91); the unidirectional air outlet hole (91) is arranged on the movable strip (82) in a penetrating way and is close to the connecting plate (8); gas in the dredging cavity (9) can enter the inside of the ant cavity body (121) along the unidirectional gas outlet hole (91) in the upward moving process of the connecting plate (8), so that the heat-conducting structural adhesive (22) is loosened.
2. The ant cavity CTP power battery system employing a cylindrical cell according to claim 1, wherein: a first spring (61) is arranged in the disassembly groove (14); the first spring (61) is positioned between the head of the inner hexagon bolt (6) and the upper end face of the supporting plate (7); the first spring (61) is sleeved on the outer wall of the thread section of the inner hexagon bolt (6); the first spring (61) drives the connecting plate (8) to move close to the bottom wall of the dismounting groove (14) under the condition that the inner hexagon bolt (6) is loosened.
3. The ant cavity CTP power battery system using a cylindrical cell according to claim 2, wherein: the inner wall of the hexagonal groove (62) is connected with a hexagonal block (63) in a sliding way; the lower surface of the hexagonal block (63) is connected with the bottom wall of the hexagonal groove (62) through a second spring (64); the upper end face of the hexagonal block (63) is flush with the other end face of the inner hexagonal bolt (6) under the action of the second spring (64), and dust prevention of the hexagonal groove (62) is achieved.
4. The ant-cavity CTP power battery system according to claim 3, wherein said cylindrical cell is adapted to: one end of the inner hexagon bolt (6) which is close to the lower side penetrates through the back surface of the bottom plate (11) and is flush with the back surface, and one end of the inner hexagon bolt (6) is rotationally connected with the bottom plate (11); one end of the sliding rod (66) is fixedly connected with the lower surface of the hexagonal block (63), and the other end of the sliding rod is flush with the lower end of the inner hexagon bolt (6).
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| CN202311157188.6A CN117039277B (en) | 2023-09-07 | 2023-09-07 | Ant cave CTP power battery system adopting cylindrical battery cell |
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| CN202311157188.6A CN117039277B (en) | 2023-09-07 | 2023-09-07 | Ant cave CTP power battery system adopting cylindrical battery cell |
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| CN117039277B true CN117039277B (en) | 2024-03-08 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101978321B1 (en) * | 2018-09-19 | 2019-05-14 | 이텍산업 주식회사 | Removable Type battery rack system for Electric skid steer loader |
| CN210379126U (en) * | 2019-09-29 | 2020-04-21 | 苏州潜寻新能源科技有限公司 | Top cover for secondary battery |
| CN111106274A (en) * | 2018-10-27 | 2020-05-05 | 江苏宇光电源科技有限公司 | Lock-type dismounting device of sealed lead-acid storage battery for electric resistance vehicle |
| CN111769232A (en) * | 2020-07-14 | 2020-10-13 | 邹新亮 | Active heat dissipation type new energy battery mounting seat |
| CN215867170U (en) * | 2021-08-27 | 2022-02-18 | 河南省水利科学研究院 | Probe type verification device for underground termite nest |
| CN215978249U (en) * | 2021-08-14 | 2022-03-08 | 江苏万里木业有限公司 | Firm solid wood floor |
| CN218351616U (en) * | 2022-09-09 | 2023-01-20 | 安徽铎坤新能源科技有限公司 | Protection architecture of lithium iron phosphate core |
-
2023
- 2023-09-07 CN CN202311157188.6A patent/CN117039277B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101978321B1 (en) * | 2018-09-19 | 2019-05-14 | 이텍산업 주식회사 | Removable Type battery rack system for Electric skid steer loader |
| CN111106274A (en) * | 2018-10-27 | 2020-05-05 | 江苏宇光电源科技有限公司 | Lock-type dismounting device of sealed lead-acid storage battery for electric resistance vehicle |
| CN210379126U (en) * | 2019-09-29 | 2020-04-21 | 苏州潜寻新能源科技有限公司 | Top cover for secondary battery |
| CN111769232A (en) * | 2020-07-14 | 2020-10-13 | 邹新亮 | Active heat dissipation type new energy battery mounting seat |
| CN215978249U (en) * | 2021-08-14 | 2022-03-08 | 江苏万里木业有限公司 | Firm solid wood floor |
| CN215867170U (en) * | 2021-08-27 | 2022-02-18 | 河南省水利科学研究院 | Probe type verification device for underground termite nest |
| CN218351616U (en) * | 2022-09-09 | 2023-01-20 | 安徽铎坤新能源科技有限公司 | Protection architecture of lithium iron phosphate core |
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