Plate type heat dissipation device for automobile heat management system
By using rectangular heat exchange plates and a corrugated structure in the plate heat dissipation device, the problems of clogging and media applicability of traditional devices are solved, achieving high-efficiency heat exchange and wide applicability, and extending service life.
Patent Information
- Application Number
- CN202520529370.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-25
AI Technical Summary
Traditional plate heat dissipation devices have small gaps between heat transfer surfaces, large pressure loss, are prone to clogging, and have limited medium temperature, making them unsuitable for materials containing large particles or fibers, and limiting their working pressure and temperature range.
Rectangular heat exchange plates with corner holes and corrugated structure are used to increase the flow channel area and flow rate control. Stainless steel material is used, combined with temperature sensor and adapter to form a highly efficient flow channel structure.
It improves heat exchange efficiency, reduces heat loss, adapts to higher working pressures and temperatures, has wide applicability, is easy to install and maintain, and has a long service life.
Smart Images
Figure CN223882817U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of thermal management air conditioning systems, and in particular to a plate heat dissipation device for automotive thermal management systems. Background Technology
[0002] Traditional plate heat exchangers have small gaps between heat transfer surfaces and uneven surfaces, resulting in significant pressure loss. Furthermore, the channels between the plates are narrow, typically only 2-5 mm, making them unsuitable for media containing large particles or fibrous materials, as they are prone to clogging. The use of gaskets to seal between the heat exchange plates limits the operating pressure to generally not exceeding 2 MPa. Additionally, the material properties of the gaskets restrict the temperature of the heat exchange medium, preventing excessively high temperatures that could lead to leaks. Utility Model Content
[0003] The purpose of this utility model is to provide a plate-type heat dissipation device for automotive thermal management systems, which is applied in automotive thermal management systems, especially in the battery pack, passenger compartment and vehicle water circuit of new energy vehicles, to achieve cooling, heating and temperature control systems, thereby overcoming the defects in the prior art.
[0004] This utility model provides a plate-type heat dissipation device for an automotive thermal management system, characterized in that it includes a first base plate, a second base plate, and heat exchange plates; there are multiple heat exchange plates arranged side by side between the first base plate and the second base plate; two adjacent heat exchange plates are bonded together to form a flow channel; corrugations are provided on both the front and rear surfaces of the heat exchange plates; a first medium inlet and a second medium inlet and outlet are provided on the first base plate; the first medium inlet and outlet and the second medium inlet and outlet are connected to the heat exchange plates.
[0005] Furthermore, the heat exchange plate is rectangular; four corner holes are respectively provided on the inner side of the four right angles of the rectangle; the corner holes are connected to the first medium inlet / outlet and the second medium inlet / outlet.
[0006] Furthermore, the rectangle has a length of 18 cm and a width of 9.7 cm; the corner hole has a diameter of 2.5 cm.
[0007] Furthermore, flow-guiding corrugations are provided near the corner holes; heat exchange corrugations are provided in the central area of the heat exchange plate; the flow-guiding corrugations form a triangular area; one side of the triangular area matches the width of the heat exchange plate; the heat exchange corrugations form a rectangular area with a width matching the width of the heat exchange plate and a length less than the length of the heat exchange plate.
[0008] Furthermore, the direction of the guide corrugations points towards the corner hole.
[0009] Further, the heat exchange corrugation is symmetrically distributed with the middle line of the rectangular area as the symmetric axis.
[0010] Further, the heat exchange corrugation is symmetrically distributed with the middle line of the rectangular area as the symmetric axis.
[0011] Further, the heat exchange corrugation is symmetrically distributed with the middle line of the rectangular area as the symmetric axis.
[0012] Further, the heat exchange corrugation is symmetrically distributed with the middle line of the rectangular area as the symmetric axis.
[0013] Further, the heat exchange corrugation is symmetrically distributed with the middle line of the rectangular area as the symmetric axis.
[0014] The plate type heat dissipation device for the automobile thermal management system of the utility model, utilize a series of metal sheet with certain thin shape to stack and form a new type high efficiency heat exchanger, set up multiple corrugations on the surface of the metal sheet to strengthen the heat exchange of two kinds of medium, compared with prior art, it has the characteristics of high heat exchange efficiency, stronger practicality, small heat loss, compact structure, small floor area, convenient installation and cleaning, wide application, long service life and the like. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a structural schematic view of a preferred embodiment of the plate type heat dissipation device for the automobile thermal management system of the utility model;
[0016] Figure 2 is a schematic view of the second medium flowing from top to bottom in the flow channel in a preferred embodiment of the plate type heat dissipation device for the automobile thermal management system of the utility model;
[0017] Figure 3 is a schematic view of the first medium flowing from bottom to top in the flow channel in a preferred embodiment of the plate type heat dissipation device for the automobile thermal management system of the utility model.
[0018] Wherein, 1-first bottom plate 1, 2-second bottom plate, 3-heat exchange plate, 4-temperature sensor, 5-adaptor, 6-flow channel;
[0019] 11-first medium inlet and outlet, 12-second medium inlet and outlet;
[0020] 31-angle hole, 32-flow guide corrugation, 33-heat exchange corrugation. DETAILED DESCRIPTION
[0021] The specific embodiments of the utility model will be described below in combination with the drawings. EMBODIMENT
[0022] Please refer toFigure 1 、 Figure 2 and Figure 3 The utility model discloses a plate type heat dissipation device for automobile heat management system contains first bottom plate 1, second bottom plate 2, heat exchange sheet 3, temperature sensor 4 and adapter 5, and the whole machine is made of vacuum brazing.
[0023] First medium access 11 and second medium access 12 are arranged on the first bottom plate. The adapter 5 is installed on the second bottom plate 2. The temperature sensor 4 is connected to the second bottom plate 2 through the adapter 5. The probe of the temperature sensor 4 is attached to the heat exchange sheet 3 adjacent to the second bottom plate, so as to collect the real-time temperature of the heat exchange sheet 3.
[0024] In the embodiment, the heat exchange sheet 3 has six in total, which are arranged in parallel and stacked together and installed between the first bottom plate 1 and the second bottom plate 2. When the first bottom plate 1 and the second bottom plate 2 are pressed against each other under the action of the fixing bolt, the six heat exchange sheets 3 are also pressed against each other and attached together. Between two adjacent heat exchange sheets 3, a thin rectangular-shaped flow channel 6 is formed. After the six heat exchange sheets 3 are attached to each other, five thin rectangular-shaped flow channels 6 are formed in total between them. Among them, the flow channels 6 through which the first medium and the second medium pass are arranged alternately: the first medium flows from the second and fourth flow channels from bottom to top, and the second medium flows from the first, third and fifth flow channels from top to bottom.
[0025] The heat exchange sheet 3 is made of stainless steel and is a rectangular sheet, which can reduce the flow resistance to the refrigerant and has better heat exchange performance. The length of the rectangular sheet is 18 cm, the width is 9.7 cm, and the thickness is 0.25 mm. Four corner holes 31 are arranged on the inner sides of the four right angles of the rectangular sheet respectively. The diameter of each corner hole 31 is 2.5 cm. The size of the corner hole 31 corresponds to the size of the first medium access 11 and the second medium access 12, so that it can be docked with the first medium access 11 and the second medium access 12. The first medium from the first medium access 11 and the second medium from the second medium access 12 enter the flow channel 6 between the heat exchange sheets 3 from the corner hole 31, and complete heat exchange.
[0026] Ripples are arranged on the front and rear surfaces of the heat exchange sheet 3, which are used to affect the flow rate and direction of the medium flowing in the flow channel 6, and also increase the heat exchange surface area, thereby strengthening the heat exchange of the two media.
[0027] Specifically, the flow guiding corrugation 32 is arranged near the corner hole 31, and the heat exchanging corrugation 33 is arranged in the central region of the heat exchanging sheet 3. The flow guiding corrugation 32 is directed to the corner hole 31, and is used to guide the medium flowing out of the corner hole 31 to flow to the central region of the heat exchanging sheet 3, or to collect the medium from the central region of the heat exchanging sheet 3 to flow back to the corner hole 31. The flow guiding corrugation 32 forms two triangular regions on the upper and lower sides of the heat exchanging sheet 3 respectively. One side of the triangular regions matches the width of the heat exchanging sheet 31, so that the medium can be evenly distributed to the whole flow channel 6, and the medium in the whole flow channel 6 can be collected.
[0028] The heat exchanging corrugation 33 is used to prolong the contact time of the medium and the heat exchanging sheet 3 as much as possible, so as to fully exchange heat. The heat exchanging corrugation 33 forms a rectangular region which matches the width of the heat exchanging sheet 3, but the length is less than the length of the heat exchanging sheet 3. The two ends of the heat exchanging corrugation 33 are respectively connected with the flow guiding corrugation 32 of the two triangular regions on the upper and lower sides. In the rectangular region, the heat exchanging corrugation 33 is symmetrically distributed with the center line of the rectangular region as the symmetry axis. The heat exchanging corrugation 33 on both sides of the rectangular region is directed to the symmetry axis at an angle greater than 45 degrees. In this way, after the medium from the corner hole 31 is evenly dispersed to the whole flow channel 6 by the flow guiding corrugation 32, the medium fluctuates in the flow channel 6 under the block of the heat exchanging corrugation 33, so as to increase the flow process of the medium in the heat exchanging sheet 3, and more sufficient heat exchange can be achieved.
[0029] The above merely describes the preferred embodiments of the present application, but should not be used to limit the scope of the application. Any equivalent changes and modifications made according to the content of the application should be within the technical scope of the present application.
Claims
1. A plate heat dissipating device for a vehicle thermal management system, characterized by, The heat exchange plate is rectangular; four corner holes are respectively arranged on the inner side of the four right angles of the rectangle; the corner holes are connected to the first medium outlet and the second medium outlet.
2. The plate heat dissipating device for an automotive thermal management system according to claim 1, wherein The length of the rectangle is 18 cm, and the width is 9.7 cm; the diameter of the corner hole is 2.5 cm.
3. The plate heat dissipating device for a thermal management system of an automobile according to claim 2, wherein A guide flow corrugation is arranged near the corner hole; a heat exchange corrugation is arranged in the central region of the heat exchange plate; the guide flow corrugation forms a triangular region; one side of the triangular region matches the width of the heat exchange plate; the heat exchange corrugation forms a rectangular region whose width matches the width of the heat exchange plate and whose length is less than the length of the heat exchange plate.
4. The plate heat dissipating device for a thermal management system of an automobile according to claim 2, wherein The direction of the guide flow corrugation points to the corner hole.
5. The plate heat dissipating device for a thermal management system of an automobile according to claim 4, wherein The heat exchange corrugation is symmetrically distributed with the center line of the rectangular region as the axis of symmetry.
6. The plate heat dissipating device for a thermal management system of an automobile according to claim 4, wherein The direction of the heat exchange corrugation points to the axis of symmetry at an angle greater than 45 degrees.
7. The plate heat dissipating device for a thermal management system of an automobile according to claim 6, wherein The number of heat exchange plates is even, forming an odd number of flow channels.
8. The plate heat dissipating device for an automotive thermal management system according to claim 1, wherein The thickness of the heat exchange plate is 0.25 mm.
9. The plate heat dissipating device for an automotive thermal management system according to claim 1, wherein It also contains a temperature sensor and an adapter; the adapter is fixed on the second bottom plate, the temperature sensor is connected to the adapter, and it is attached to the heat exchange plate.
10. The plate heat dissipating device for an automotive thermal management system according to claim 1, wherein