Expansion kettle of thermal management integrated module

Abstract

The utility model provides an expansion kettle of a heat management integration module, relates to the technical field of electric automobile heat management systems, and aims to solve the problems that in the prior art, multiple expansion kettles are adopted, so that integration arrangement is difficult, the leakage risk is increased, and cooling liquid in a certain kettle is too much; and the system reliability is influenced by too little cooling liquid in the other kettle. According to the expansion kettle of the thermal management integrated module, a total battery cavity and a total motor cavity are communicated through a first through groove formed in a first partition plate, a plurality of sub-battery cavities are communicated through a second through groove formed in a second partition plate, and a plurality of sub-motor cavities are communicated through a third through groove formed in a third partition plate; the through hole is divided into a battery outlet runner, a battery inlet runner and a motor outlet runner which are not communicated with one another by the first interface partition plate and the second interface partition plate, the battery outlet runner and the battery inlet runner are respectively communicated with the main motor cavity through a plurality of sub-battery cavities in sequence, and the motor outlet runner is communicated with the main battery cavity through a plurality of sub-motor cavities in sequence.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle thermal management systems, in particular to an expansion kettle of a thermal management integrated module. Background Art

[0002] The thermal management system of electric vehicles involves motors, batteries, warm air circuits, etc. Motors and batteries require independent expansion kettles respectively. Multiple kettles will make integrated layout difficult, and there are many interfaces. Each interface needs to be connected and matched with the manifold, which makes the kettle difficult to assemble and greatly increases the risk of leakage. The coolant temperature in the motor and battery is different. If different kettles are directly merged, coolants of different temperatures will mix in the kettle, causing unnecessary heat exchange and reducing the energy efficiency of the thermal management system. Due to the control requirements of the thermal management system, the motor and battery circuits will have series and parallel modes. When the kettles are connected in series, the pressure difference in the kettle will cause the coolant to be biased towards one of the kettles; when the kettles are connected in parallel, the coolant will be biased towards one of the kettles due to internal leakage. Therefore, using different kettles will cause too much coolant in one kettle and too little coolant in another kettle, affecting the reliability of the system. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an expansion kettle for a thermal management integrated module to solve the technical problems in the prior art of using multiple expansion kettles which lead to difficulties in integrated layout, increased risk of leakage, and too much coolant in one kettle and too little coolant in another kettle, affecting system reliability.

[0004] In order to solve the above technical problems, the utility model provides an expansion kettle with a thermal management integrated module, including a kettle body, a accommodating chamber is arranged in the kettle body, a first partition is arranged in the accommodating chamber, the first partition divides the accommodating chamber into a total battery chamber and a total motor chamber, the total battery chamber and the total motor chamber are connected through a first through groove arranged on the first partition, a plurality of second partitions are arranged in the total battery chamber, the plurality of second partitions divide the total battery chamber into a plurality of sub-battery chambers, the plurality of sub-battery chambers are connected through a second through groove arranged on the second partition, a plurality of third partitions are arranged in the total motor chamber, the plurality of third partitions divide the total motor chamber into a plurality of sub-motor chambers, the plurality of sub-motor chambers are connected through the third partitions. The third through groove on the plate is connected, and the accommodating cavity forms an opening at one end of the kettle body, and a kettle interface for connecting to the manifold is connected to the opening. A through hole connected to the accommodating cavity is provided in the kettle interface, and a first interface partition and a second interface partition are provided in the kettle interface. The first interface partition and the second interface partition separate the through hole into a battery outlet flow channel, a battery inlet flow channel and a motor outlet flow channel that are not connected to each other. The battery outlet flow channel and the battery inlet flow channel are respectively connected to the main motor cavity through several sub-battery cavities in turn, and the motor outlet flow channel is connected to the main battery cavity through several sub-motor cavities in turn. The ends on the first interface partition and the second interface partition that are away from the opening are used to be connected to the manifold.

[0005] After adopting the above structure, the expansion kettle of the thermal management integrated module of the utility model has the following advantages: the motor kettle and the battery kettle in the prior art are integrated into an expansion kettle, which reduces the difficulty of integrated layout; the battery outlet flow channel, the battery inlet flow channel and the motor outlet flow channel are integrated in a kettle interface, and when connected to the manifold, only one kettle interface needs to be connected to the manifold, which reduces the risk of leakage; the total battery cavity and the total motor cavity in the accommodating cavity are interconnected, so there is no problem of too much coolant in one kettle and too little coolant in another kettle, which greatly improves the system reliability; in addition, because the battery outlet flow channel and the battery inlet flow channel are connected to each other, the battery outlet flow channel and the battery inlet flow channel are connected to each other, so the battery outlet flow channel and the battery inlet flow channel are connected to each other, which greatly improves the system reliability. The coolant flows through several sub-battery cavities in sequence to communicate with the main motor cavity, and the motor outlet flow channel communicates with the main battery cavity through several sub-motor cavities in sequence. When the coolant flows in the main motor cavity and the main battery cavity, it needs to pass through several sub-motor cavities or sub-battery cavities in sequence. Taking the coolant flowing in from the battery inlet flow channel as an example, this part of the coolant needs to pass through several sub-battery cavities in sequence before entering the main motor cavity. Therefore, when this part of the coolant flows in from the battery inlet flow channel, it is not easy to cause the coolant in the main battery cavity and the coolant in the main motor cavity to flow and generate heat exchange, thereby reducing unnecessary heat exchange and improving the energy efficiency of the thermal management system.

[0006] As an improvement, the first interface partition separates the battery outlet flow channel and the battery inlet flow channel, the second interface partition separates the battery inlet flow channel and the motor outlet flow channel, and a first sealing gasket is sleeved on the end of the second interface partition away from the opening; with this structure, the internal leakage between the battery inlet flow channel and the motor outlet flow channel is reduced or avoided by setting the first sealing gasket, thereby improving the energy efficiency of the system.

[0007] As an improvement, a second sealing gasket is sleeved on the end of the kettle interface away from the opening, and the second sealing gasket is integrally formed with the first sealing gasket; adopting this structure, internal leakage is further reduced or avoided, and the energy efficiency of the system is improved.

[0008] As an improvement, an O-ring is connected to the outer peripheral wall of the kettle interface; this structure is adopted to improve the sealing between the expansion kettle and the manifold, reducing or avoiding external leakage.

[0009] As an improvement, the kettle interface includes a limiting area and a sealing area. The sealing area is connected to the kettle body through the limiting area. The outer diameter of the limiting area is larger than the sealing area. The through hole passes through the limiting area and the sealing area. The O-ring is connected to the outer wall of the sealing area.

[0010] As an improvement, a number of mounting points are connected to the outer wall of the kettle body, and the several mounting points are fixedly connected to the manifold by bolts; this structure improves the stability of the connection between the expansion kettle and the manifold.

[0011] As an improvement, a filling port connected to the accommodating cavity is provided on the kettle body; the coolant is replenished through the filling port. Since the total battery cavity and the total motor cavity in the kettle body are interconnected, only one filling port is provided to meet usage needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the kettle body part in the utility model.

[0013] Figure 2 It is a cross-sectional view of the connection between the interface part of the kettle and the manifold in the utility model.

[0014] Figure 3 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 4 It is a three-dimensional structural schematic diagram of the interface part of the kettle in the utility model.

[0016] Figure numerals: 1. kettle body; 2. first partition; 3. accommodating cavity; 31. main battery cavity; 311. sub-battery cavity; 32. main motor cavity; 321. sub-motor cavity; 4. first through groove; 5. second partition; 6. second through groove; 7. third partition; 8. third through groove; 9. opening; 10. kettle interface; 101. limiting area; 102. sealing area; 11. through hole; 111. battery outlet flow channel; 112. battery inlet flow channel; 113. motor outlet flow channel; 12. first interface partition; 13. second interface partition; 14. first sealing gasket; 15. second sealing gasket; 16. O-ring; 17. installation point; 18. filling port. DETAILED DESCRIPTION

[0017] The expansion kettle of the thermal management integrated module of the utility model is described in detail below with reference to the accompanying drawings.

[0018] like Figures 1 to 4 As shown, an expansion kettle with a thermal management integrated module includes a kettle body 1, a receiving chamber 3 is provided in the kettle body 1, a first partition 2 is provided in the receiving chamber 3, and the first partition 2 divides the receiving chamber 3 into a total battery chamber 31 and a total motor chamber 32, as shown in FIG. Figure 1 As shown, the first partition 2 in this embodiment is vertically arranged and divides the accommodating chamber 3 into two left and right areas, the left side is the total battery chamber 31, and the right side is the total motor chamber 32; the total battery chamber 31 and the total motor chamber 32 are connected through the first through groove 4 provided on the first partition 2, that is, the coolant in the total battery chamber 31 and the total motor chamber 32 can only flow to the other side through the first through groove 4, and two upper and lower first through grooves 4 are provided on the first partition 2 in this embodiment.

[0019] like Figure 1 As shown, a plurality of second partitions 5 are provided in the main battery cavity 31, and the plurality of second partitions 5 divide the main battery cavity 31 into a plurality of sub-battery cavities 311, and the plurality of sub-battery cavities 311 are connected through second through grooves 6 provided on the second partitions 5; a plurality of third partitions 7 are provided in the main motor cavity 32, and the plurality of third partitions 7 divide the main motor cavity 32 into a plurality of sub-motor cavities 321, and the plurality of sub-motor cavities 321 are connected through third through grooves 8 provided on the third partitions 7; in this embodiment, the second partitions 5 and the third partitions 7 are distributed alternately horizontally and vertically, as shown in FIG. Figure 1 As shown, the second partition 5 arranged in a horizontal and vertical manner divides the total battery cavity 31 into a plurality of sub-battery cavities 311, and adjacent sub-battery cavities 311 are connected via the second through grooves 6 on the second partition 5. Similarly, the third partition 7 arranged in a horizontal and vertical manner divides the total motor cavity 32 into a plurality of sub-motor cavities 321, and adjacent sub-motor cavities 321 are connected via the third through grooves 8 on the third partition 7.

[0020] like Figure 1 and Figure 2As shown, the accommodating cavity 3 forms an opening 9 at one end of the kettle body 1, and a kettle interface 10 for connecting to the manifold is connected to the opening 9. A through hole 11 communicating with the accommodating cavity 3 is provided in the kettle interface 10, and a first interface partition 12 and a second interface partition 13 are provided in the kettle interface 10. The first interface partition 12 and the second interface partition 13 separate the through hole 11 into a battery outlet flow channel 111, a battery inlet flow channel 112 and a motor outlet flow channel 113 that are not connected to each other. Specifically, as shown in FIG. Figure 2 As shown, the first interface partition 12 is located on the left side of the second interface partition 13, a battery outlet flow channel 111 is formed between the first interface partition 12 and the inner wall of the kettle interface 10, a battery inlet flow channel 112 is formed between the first interface partition 12 and the second interface partition 13, and a motor outlet flow channel 113 is formed between the second interface partition 13 and the inner wall of the kettle interface 10, and these three flow channels in the through hole 11 are all connected to the accommodating cavity 3 through the opening 9; wherein, the battery outlet flow channel 111 and the battery inlet flow channel 112 are respectively connected to the main motor cavity 32 through a plurality of sub-battery cavities 311 in sequence, and the motor outlet flow channel 113 is connected to the main battery cavity 31 through a plurality of sub-motor cavities 321 in sequence, and the first One end of the first interface partition 12 and the second interface partition 13 that is away from the opening 9 is used to connect with the manifold; that is, the battery outlet flow channel 111 and the battery inlet flow channel 112 are first connected to the opening 9, and then connected to a plurality of sub-battery cavities 311 in sequence, and finally connected to the main motor cavity 32 through a sub-battery cavity 311. The motor outlet flow channel 113 is similar, which is first connected to the opening 9, and then connected to a plurality of sub-motor cavities 321, and finally connected to the main battery cavity 31 through a sub-motor cavity 321. In this embodiment, the first interface partition 12 and the second interface partition 13 both extend into the opening 9; specifically, taking the flow direction of the coolant in the battery inlet flow channel 112 as an example, as shown in FIG. Figure 1 As shown, the coolant in the battery inlet flow channel 112 first flows into the opening 9, then flows into the first sub-battery cavity 311 located at the upper left of the opening 9, then flows into the second sub-battery cavity 311 on the left through the second through slot 6 on the left, then flows into the third sub-battery cavity 311 on the upper side through the second through slot 6 on the upper side, then flows into the fourth sub-battery cavity 311 on the right side through the second through slot 6 on the right side, which is also the last sub-battery cavity 311, and flows into the main motor cavity 32 from the first through slot 4 on the right side of the sub-battery cavity 311. After entering from the opening 9, the coolant flows from the main battery cavity 31 into the main motor cavity 32 or from the main motor cavity 32 into the main battery cavity 31. The number of sub-battery cavities 311 or the number of sub-motor cavities 321 passed by it can be determined by adjusting the position of the second through slot 6 or the third through slot 8, which will not be repeated here.

[0021] like Figure 2 and Figure 4As shown, the first interface partition 12 separates the battery outlet flow channel 111 and the battery inlet flow channel 112, the second interface partition 13 separates the battery inlet flow channel 112 and the motor outlet flow channel 113, and the first sealing gasket 14 is sleeved on the end of the second interface partition 13 away from the opening 9; in addition, the second sealing gasket 15 is sleeved on the end of the kettle interface 10 away from the opening 9, the second sealing gasket 15 and the first sealing gasket 14 are integrally formed, and in this embodiment, the second sealing gasket 15 is only arranged on the end face of the kettle interface 10 close to the motor outlet flow channel 113, and the second sealing gasket 15 and the first sealing gasket 14 form a closed structure.

[0022] like Figure 2 As shown, the kettle interface 10 includes a limiting area 101 and a sealing area 102. The sealing area 102 is connected to the kettle body 1 through the limiting area 101. The outer diameter of the limiting area 101 is larger than the sealing area 102. The through hole 11 passes through the limiting area 101 and the sealing area 102. An O-ring 16 is connected to the outer peripheral wall of the kettle interface 10. Specifically, the O-ring 16 is connected to the outer peripheral wall of the sealing area 102.

[0023] like Figure 3 As shown, a plurality of mounting points 17 are connected to the outer wall of the kettle body 1, and the plurality of mounting points 17 are fixedly connected to the manifold by bolts. In this embodiment, a total of three mounting points 17 are arranged. A filling port 18 connected to the accommodating cavity 3 is provided on the kettle body 1. Since the main battery cavity 31 and the main motor cavity 32 are internally connected, only one filling port 18 can be used for injection.

[0024] The motor kettle and battery kettle in the prior art are integrated into an expansion kettle to reduce the difficulty of integrated layout; the battery outlet flow channel 111, the battery inlet flow channel 112 and the motor outlet flow channel 113 are integrated in a kettle interface 10. When connected to the manifold, only one kettle interface 10 needs to be connected to the manifold, which reduces the risk of leakage; the total battery cavity 31 and the total motor cavity 32 in the accommodating cavity 3 are interconnected, so there is no problem of too much coolant in one kettle and too little coolant in the other kettle, which greatly improves the system reliability; in addition, the battery outlet flow channel 111 and the battery inlet flow channel 112 are respectively connected to the total motor cavity 32 through a plurality of sub-battery cavities 311 in turn. The motor outlet flow channel 113 is connected to the main battery cavity 31 through several sub-motor cavities 321 in sequence. When the coolant flows in the main motor cavity 32 and the main battery cavity 31, it needs to pass through several sub-motor cavities 321 or sub-battery cavities 311 in sequence. Taking the coolant flowing in from the battery inlet flow channel 112 as an example, this part of the coolant needs to pass through several sub-battery cavities 311 in sequence before entering the main motor cavity 32. Therefore, when this part of the coolant flows in from the battery inlet flow channel 112, it is not easy to cause the coolant in the main battery cavity 31 and the coolant in the main motor cavity 32 to flow and generate heat exchange, thereby reducing unnecessary heat exchange and improving the energy efficiency of the thermal management system.

[0025] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned one implementation mode, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

Claims

1. An expansion kettle with a thermal management integrated module, characterized in that: The kettle body (1) comprises a accommodating chamber (3) provided in the kettle body (1), a first partition (2) provided in the accommodating chamber (3), the first partition (2) dividing the accommodating chamber (3) into a total battery chamber (31) and a total motor chamber (32), the total battery chamber (31) and the total motor chamber (32) being connected via a first through groove (4) provided on the first partition (2), a plurality of second partitions (5) provided in the total battery chamber (31), the plurality of second partitions (5) separating the total battery chamber (31) and the total motor chamber (32) The main battery cavity (31) is divided into a plurality of sub-battery cavities (311), and the plurality of sub-battery cavities (311) are connected via a second through groove (6) provided on the second partition plate (5); a plurality of third partition plates (7) are provided in the main motor cavity (32), and the plurality of third partition plates (7) divide the main motor cavity (32) into a plurality of sub-motor cavities (321), and the plurality of sub-motor cavities (321) are connected via a third through groove (8) provided on the third partition plate (7); the accommodating cavity (3) is provided in the An opening (9) is formed at one end of the kettle body (1), and a kettle interface (10) for connecting to a manifold is connected to the opening (9), a through hole (11) communicating with the accommodating cavity (3) is provided in the kettle interface (10), a first interface partition (12) and a second interface partition (13) are provided in the kettle interface (10), and the first interface partition (12) and the second interface partition (13) divide the through hole (11) into battery outlet flow channels (111) and battery outlet flow channels (112) which are not connected to each other. An inlet flow channel (112) and a motor outlet flow channel (113), the battery outlet flow channel (111) and the battery inlet flow channel (112) are respectively connected to the main motor cavity (32) via a plurality of sub-battery cavities (311) in sequence, the motor outlet flow channel (113) is connected to the main battery cavity (31) via a plurality of sub-motor cavities (321) in sequence, and one end of the first interface partition (12) and the second interface partition (13) away from the opening (9) is used to connect to the manifold.

2. The expansion kettle of the thermal management integrated module according to claim 1, characterized in that: The first interface partition (12) separates the battery outlet flow channel (111) and the battery inlet flow channel (112), the second interface partition (13) separates the battery inlet flow channel (112) and the motor outlet flow channel (113), and a first sealing gasket (14) is sleeved on one end of the second interface partition (13) away from the opening (9).

3. The expansion kettle of the thermal management integrated module according to claim 2, characterized in that: A second sealing gasket (15) is sleeved on one end of the kettle interface (10) away from the opening (9), and the second sealing gasket (15) is integrally formed with the first sealing gasket (14).

4. The expansion kettle of the thermal management integrated module according to claim 1, characterized in that: An O-ring (16) is connected to the outer peripheral wall of the kettle interface (10).

5. The expansion kettle of the thermal management integrated module according to claim 4, characterized in that: The kettle interface (10) comprises a limiting area (101) and a sealing area (102); the sealing area (102) is connected to the kettle body (1) via the limiting area (101); the outer diameter of the limiting area (101) is larger than that of the sealing area (102); the through hole (11) passes through the limiting area (101) and the sealing area (102); and the O-ring (16) is connected to the outer peripheral wall of the sealing area (102).

6. The expansion kettle of the thermal management integrated module according to claim 1, characterized in that: A plurality of mounting points (17) are connected to the outer wall of the kettle body (1), and the plurality of mounting points (17) are fixedly connected to the manifold via bolts.

7. The expansion kettle of the thermal management integrated module according to claim 1, characterized in that: The kettle body (1) is provided with a filling port (18) which is in communication with the accommodating chamber (3).

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