CN216268659U - A energy-efficient heat exchanger for new energy automobile - Google Patents
A energy-efficient heat exchanger for new energy automobile Download PDFInfo
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- CN216268659U CN216268659U CN202122333004.XU CN202122333004U CN216268659U CN 216268659 U CN216268659 U CN 216268659U CN 202122333004 U CN202122333004 U CN 202122333004U CN 216268659 U CN216268659 U CN 216268659U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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Abstract
The utility model discloses a high-efficiency energy-saving heat exchanger for a new energy automobile. The water inlet end main sheet is fixed with the water inlet tank, and the water outlet end main sheet is fixed with the water outlet tank; a plurality of radiating pipes are fixed between the water inlet end main sheet and the water outlet end main sheet and are arranged at equal intervals; two ends of each radiating pipe respectively penetrate through the water inlet end main sheet and the water outlet end main sheet and are respectively connected with one water outlet at the corresponding position of the water inlet tank and one water inlet at the corresponding position of the water outlet tank; the wall surface of the radiating pipe is provided with a plurality of integrally formed micro-fins; the water inlet tank comprises two water inlets, and the section of the water inlet tank, which is vertical to the water inlets of the water inlet tank, is trapezoidal; the water outlet tank comprises two water outlets, and the section of the water outlet tank, which is vertical to the water outlets of the water outlet tank, is trapezoidal; a plurality of radiating fins are fixed between every two adjacent radiating pipes; the water inlet of the water inlet tank is connected with a water inlet management system. The utility model greatly improves the integral heat exchange performance of the heat exchanger on the premise of not increasing pressure drop obviously.
Description
Technical Field
The utility model belongs to the technical field of automotive heat exchangers, and particularly relates to a high-efficiency energy-saving heat exchanger for a new energy automobile.
Background
The new energy automobile has the advantages of environmental protection and energy conservation, adapts to the large background of international energy supply shortage and increasingly rising environmental protection call, and has wide market prospect in development of new energy automobiles.
The new energy automobile comprises three types of hybrid electric vehicles, pure electric vehicles and fuel cell vehicles. The electrochemical performance of battery operation is closely related to temperature, so it requires strict and delicate temperature control, otherwise it will not work properly, even fire or explosion. The existing heat exchanger can not meet the increasing heat exchange requirement any more, so the research on the high-efficiency energy-saving new energy automobile heat exchanger has great significance on the development of related industries.
In the design and calculation of the heat exchanger, it is generally assumed that the fluids in the heat exchanger are uniformly distributed, but in actual working conditions, the flow distribution of the fluids in the heat exchanger is generally non-uniform, the non-uniformity of the fluids seriously deteriorates the heat transfer performance of the heat exchanger, increases the pressure drop of the heat exchanger, and reduces the efficiency. Therefore, the heat exchanger is optimally designed to improve the flow uniformity of the fluid in the heat exchanger, and the heat exchanger has important significance for improving the heat transfer efficiency of the heat exchanger and reducing the pressure drop of the heat exchanger.
The heat exchanger for the existing new energy automobile adopts a smooth pipeline, the pressure drop is small, but the heat exchange area is small, the heat exchange efficiency is low, the radiating pipe is taken as one part of a heat exchanger radiating assembly, the influence on the overall heat radiating performance of the heat exchanger is huge, and the improvement which is favorable for improving the overall performance of the heat exchanger is very important for the radiating pipe.
Disclosure of Invention
The utility model aims to provide a high-efficiency energy-saving heat exchanger for a new energy automobile, aiming at the problems in the prior art and on the premise of not increasing pressure drop remarkably.
The utility model relates to a high-efficiency energy-saving heat exchanger for a new energy automobile, which comprises a water inlet tank, a heat dissipation assembly and a water outlet tank, wherein the water inlet tank is connected with the heat dissipation assembly; the heat dissipation assembly is arranged between the water inlet tank and the water outlet tank and comprises a main sheet and a heat dissipation pipe; the main sheet comprises a water inlet end main sheet and a water outlet end main sheet; the water inlet end main sheet is fixed with the water inlet tank, and the water outlet end main sheet is fixed with the water outlet tank; a plurality of radiating pipes are fixed between the water inlet end main sheet and the water outlet end main sheet and are arranged at equal intervals; two ends of each radiating pipe respectively penetrate through the water inlet end main sheet and the water outlet end main sheet and are respectively connected with one water outlet at the corresponding position of the water inlet tank and one water inlet at the corresponding position of the water outlet tank; the wall surface of the radiating pipe is provided with a plurality of integrally formed micro-fins.
Preferably, the radiating pipe is a flat pipe, and round corners are formed between every two adjacent wall surfaces; the micro-ribs are arranged on two wall surfaces which are relatively large in area and opposite to the radiating pipe, one wall surface is in an outward convex shape, and the other wall surface is in an inward concave shape; the positions of the micro-fins with the convex shapes on the two wall surfaces are in one-to-one correspondence with the positions of the micro-fins with the concave shapes.
Preferably, the micro-ribs are generally in the shape of a truncated pyramid with rounded corners at each edge and at each angular position of the top and bottom surfaces.
Preferably, the water inlet tank comprises a water inlet tank body and two water inlets; the two water inlets of the water inlet tank body are both communicated with the inner cavity of the water inlet tank body, one water inlet is arranged in the middle of the water inlet tank body, and the other water inlet is arranged at the position, close to the end part, of the water inlet tank body; the water outlet tank comprises a water outlet tank body and two water outlets; two water outlets of the water outlet box are communicated with the inner cavity of the water outlet box body, one water outlet is arranged in the middle of the water outlet box body, and the other water outlet is arranged at the position, close to the end, of the water outlet box body.
More preferably, the cross-section of the water inlet tank perpendicular to the water inlet of the water inlet tank is trapezoidal, and the cross-section of the water outlet tank perpendicular to the water outlet of the water outlet tank is trapezoidal.
More preferably, the trapezoidal orientation of the cross section of the water inlet tank perpendicular to the water inlet of the water inlet tank is different from the trapezoidal orientation of the cross section of the water outlet tank perpendicular to the water outlet of the water outlet tank; a water inlet close to the end part of the water inlet box body and a water outlet close to the end part of the water outlet box body are both arranged at the bottom of each trapezoid in section; two water inlets of the water inlet tank are both cylindrical, the inner diameter of the water inlet close to the end part of the water inlet tank body is larger, two water outlets of the water outlet tank are both cylindrical, and the inner diameter of the water outlet close to the end part of the water outlet tank body is larger.
Preferably, a plurality of radiating fins are fixed between every two adjacent radiating pipes.
More preferably, the heat dissipation fins are provided with window-opening angles.
More preferably, the system also comprises an inlet water management system; the water inlet management system comprises a pipeline, a flow velocity measuring device, a control center and a throttle valve; a water inlet of the flow velocity measuring device is connected with a pipeline; the water outlet of the flow velocity measuring device is divided into two paths, one path is connected with one water inlet of the water inlet tank through a pipeline, and the other path is connected with the other water inlet of the water inlet tank through a pipeline and a throttle valve; the signal output end of the flow velocity measuring device is connected with the control center, and the throttle valve is controlled by the control center.
More preferably, the flow rate measuring device is a venturi tube.
The utility model has the following beneficial effects:
1. the utility model changes the shapes of the water inlet tank and the water outlet tank, the water inlet is additionally arranged on the water inlet tank, the water outlet is additionally arranged on the water outlet tank, the flow of the inlet water is regulated by the flow speed measuring device, the control center and the throttle valve, so that the flow of the cooling liquid flowing through the throttle valve is stabilized at the value with the highest working efficiency of the heat exchanger, the performance of the radiating pipe is fully utilized, the integral heat exchange performance of the heat exchanger is improved, and meanwhile, the optimization of the shapes of the water inlet tank and the water outlet tank is beneficial to reducing the flow resistance and achieving the effect of saving energy.
2. Compared with a radiating pipe with a smooth wall surface, the radiating pipe with the micro-fins on the wall surface has a larger surface area to volume ratio, and can effectively improve the overall heat exchange performance of the heat exchanger under the condition of not obviously increasing the flow resistance, thereby meeting higher radiating requirements.
3. The radiating fins further promote the heat exchange among the radiating pipes, particularly the window opening angle of the radiating fins, and the overall heat exchange performance of the heat exchanger (with the outside) is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a heat exchanger for an existing new energy automobile;
FIG. 2 is a schematic structural view of a heat exchanger according to the present invention;
FIG. 3 is a schematic view of the wall of the heat pipe of the present invention;
FIG. 4 is a partial cross-sectional view of the heat pipe of the present invention;
FIG. 5 is a schematic view of the micro-fin structure of the present invention;
FIG. 6 is a schematic view of an intake water management system according to the present invention;
in the figure: 1. the water inlet tank comprises a water inlet tank body, 2, a heat dissipation assembly, 3, a water outlet tank, 4, a water inlet tank body, 5, a water inlet, 6, a main sheet, 7, a heat dissipation pipe, 8, a heat dissipation fin, 9, a water outlet tank body, 10, a water outlet, 11, a pipeline, 12, a flow velocity measuring device, 13, a control center, 14 and a throttle valve.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings.
As shown in fig. 1, the existing heat exchanger for the new energy vehicle includes a water inlet tank 1, a heat dissipation assembly 2 and a water outlet tank 3, wherein the water inlet tank 1 and the water outlet tank 3 are both rectangular, and the heat dissipation assembly 2 includes a heat dissipation pipe 7 with a smooth wall surface. The utility model improves the shapes of the water inlet tank 1 and the water outlet tank 3 and the arrangement forms of the water inlet and the water outlet on the original basis, adds a water inlet management system, and increases the micro-fin structure on the wall surface of the radiating pipe 7, thereby greatly improving the heat exchange performance of the heat exchanger on the whole.
As shown in fig. 2, the high-efficiency energy-saving heat exchanger for the new energy automobile comprises a water inlet tank 1, a heat dissipation assembly 2 and a water outlet tank 3; the heat dissipation assembly 2 is arranged between the water inlet tank 1 and the water outlet tank 3 and comprises a main sheet 6 and a heat dissipation pipe 7; the main sheet 6 comprises a water inlet end main sheet and a water outlet end main sheet; the water inlet end main sheet is fixed with the water inlet tank 1, and the water outlet end main sheet is fixed with the water outlet tank 3; a plurality of radiating pipes 7 which are distributed at equal intervals are fixed between the water inlet end main sheet and the water outlet end main sheet; two ends of each radiating pipe 7 respectively penetrate through the water inlet end main sheet and the water outlet end main sheet and are respectively connected with one water outlet at the corresponding position of the water inlet tank 1 and one water inlet at the corresponding position of the water outlet tank 3; the wall surface of the radiating pipe 7 is provided with a plurality of micro-fins which are integrally formed. Preferably, the water inlet tank 1, the water outlet tank 3, the main sheet 6 and the radiating pipe 7 are all made of aluminum.
As a preferred embodiment, as shown in fig. 3 and 4, the radiating pipe 7 is a flat pipe, and round corners are rounded between the adjacent wall surfaces; the micro fins are arranged on two opposite wall surfaces with larger area of the radiating pipe 7, one wall surface is in an outward convex shape, and the other wall surface is in an inward concave shape; the positions of the micro-fins with the convex shapes on the two wall surfaces are in one-to-one correspondence with the positions of the micro-fins with the concave shapes. Preferably, the depth of the micro-fins is 0.3mm, and the distance between adjacent micro-fins is 4 mm.
As a preferred embodiment, the micro-ribs are generally square truncated pyramid shaped, as shown in fig. 5, but rounded at each corner position, as well as at each corner position of the top and bottom surfaces, to reduce pressure drop losses.
As a preferred embodiment, as shown in fig. 2, the water inlet tank 1 includes a water inlet tank body 4 and two water inlets 5; two water inlets of the water inlet tank body 4 are both communicated with the inner cavity of the water inlet tank body 4, one water inlet is arranged in the middle of the water inlet tank body, and the other water inlet is arranged at the position, close to the end part, of the water inlet tank body; the water outlet tank 3 comprises a water outlet tank body 9 and two water outlets 10; two water outlets 10 of the water outlet tank 3 are both communicated with the inner cavity of the water outlet tank body 9, one water outlet 10 is arranged in the middle of the water outlet tank body 9, and the other water outlet 10 is arranged at the position, close to the end, of the water outlet tank body 9.
As a more preferred embodiment, as shown in FIG. 2, the section of the water inlet tank 1 perpendicular to the water inlet of the water inlet tank is trapezoidal; the section of the water outlet tank 3, which is vertical to the water outlet of the water outlet tank, is trapezoidal.
As a more preferred embodiment, as shown in FIG. 2, the orientation of the trapezoid cross section of the water inlet tank 1 perpendicular to the water inlet of the water inlet tank is different from the orientation of the trapezoid cross section of the water outlet tank 3 perpendicular to the water outlet of the water outlet tank; a water inlet close to the end part of the water inlet tank body and a water outlet 10 close to the end part of the water outlet tank body 9 are both arranged at the bottom of each trapezoid in section; the two water inlets of the water inlet tank are cylindrical, the inner diameter of the water inlet close to the end part of the water inlet tank body is larger, the two water outlets of the water outlet tank are cylindrical, and the inner diameter of the water outlet close to the end part of the water outlet tank body 9 is larger.
As a preferred embodiment, as shown in fig. 2, a plurality of radiating fins 8 are fixed between every two adjacent radiating pipes. Preferably, the heat dissipation fins 8 are made of aluminum.
As a more preferred embodiment, the heat dissipation fins 8 are provided with a windowing angle (i.e. the heat dissipation fins 8 are arranged obliquely); preferably, the window opening angle is 22 °.
As a more preferred embodiment, as shown in fig. 6, further comprises an inlet water management system; the water inlet management system comprises a pipeline 11, a flow rate measuring device 12, a control center 13 and a throttle valve 14; a water inlet of the flow velocity measuring device 12 is connected with a pipeline 11 for connecting a water pump; the water outlet of the flow velocity measuring device 12 is divided into two paths, one path is connected with one water inlet of the water inlet tank through a pipeline 11, and the other path is connected with the other water inlet of the water inlet tank through a pipeline 11 and a throttle valve 14; the signal output of the flow rate measuring device 12 is connected to a control center 13, from which a throttle valve 14 is controlled.
As a more preferred embodiment, the flow rate measuring device 12 is a venturi tube, and other speed measuring devices can be used, and the specific situation can be changed.
The working principle of the utility model is as follows:
the water pump supplies the high-temperature cooling liquid after heat exchange with the battery to the water inlet management system, the cooling liquid entering the water inlet management system firstly flows through the flow velocity measuring device 12 and then is divided into two parts which respectively flow in from two water inlets of the water inlet tank, wherein one part is controlled by the throttle valve 14, the flow velocity measuring device 12 feeds the measured result back to the control center 13, and the control center 13 controls the opening of the throttle valve 14 to stabilize the flow of the cooling liquid flowing through the throttle valve 14 at the value with the highest working efficiency of the heat exchanger. The high-temperature coolant flowing out of the water inlet management system flows into the water inlet tank 1, then uniformly flows into the radiating pipes 7, and flows out of the water outlet tank 3 after being cooled by the radiating pipes 7. According to the utility model, the trapezoidal structures of the water inlet tank 1 and the water outlet tank 3, the design schemes of the two water inlets of the water inlet tank 1 and the two water outlets of the water outlet tank 3, the position arrangement and different size designs of the two water inlets of the water inlet tank 1 and the two water outlets of the water outlet tank 3 on the trapezoidal structures can ensure that the flow of each radiating pipe is more uniform, and the flow resistance can be reduced; compared with a radiating pipe with a smooth wall surface, the radiating pipe with the micro-fins on the wall surface can effectively improve the overall heat exchange performance of the heat exchanger without remarkably increasing the flow resistance, and meets higher radiating requirements; the radiating fins 8 of the utility model further promote the heat exchange among all radiating pipes, especially the window opening angle arranged on the radiating fins 8, and greatly improve the overall heat exchange performance of the heat exchanger (with the outside).
The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a high-efficient energy-saving heat exchanger for new energy automobile, includes into water tank, radiator unit and play water tank, its characterized in that: the heat dissipation assembly is arranged between the water inlet tank and the water outlet tank and comprises a main sheet and a heat dissipation pipe; the main sheet comprises a water inlet end main sheet and a water outlet end main sheet; the water inlet end main sheet is fixed with the water inlet tank, and the water outlet end main sheet is fixed with the water outlet tank; a plurality of radiating pipes are fixed between the water inlet end main sheet and the water outlet end main sheet and are arranged at equal intervals; two ends of each radiating pipe respectively penetrate through the water inlet end main sheet and the water outlet end main sheet and are respectively connected with one water outlet at the corresponding position of the water inlet tank and one water inlet at the corresponding position of the water outlet tank; the wall surface of the radiating pipe is provided with a plurality of integrally formed micro-fins.
2. The high-efficiency energy-saving heat exchanger for the new energy automobile is characterized in that: the radiating pipe is a flat pipe, and fillets are formed between every two adjacent wall surfaces; the micro-ribs are arranged on two wall surfaces which are relatively large in area and opposite to the radiating pipe, one wall surface is in an outward convex shape, and the other wall surface is in an inward concave shape; the positions of the micro-fins with the convex shapes on the two wall surfaces are in one-to-one correspondence with the positions of the micro-fins with the concave shapes.
3. The high-efficiency energy-saving heat exchanger for the new energy automobile is characterized in that: the micro-rib sheet is in a quadrangular frustum pyramid shape as a whole, and round corners are respectively arranged at the position of each edge and at each angular position of the top surface and the bottom surface.
4. The high-efficiency energy-saving heat exchanger for the new energy automobile is characterized in that: the water inlet tank comprises a water inlet tank body and two water inlets; the two water inlets of the water inlet tank body are both communicated with the inner cavity of the water inlet tank body, one water inlet is arranged in the middle of the water inlet tank body, and the other water inlet is arranged at the position, close to the end part, of the water inlet tank body; the water outlet tank comprises a water outlet tank body and two water outlets; two water outlets of the water outlet box are communicated with the inner cavity of the water outlet box body, one water outlet is arranged in the middle of the water outlet box body, and the other water outlet is arranged at the position, close to the end, of the water outlet box body.
5. The high-efficiency energy-saving heat exchanger for the new energy automobile is characterized in that: the cross section of the water inlet tank perpendicular to the water inlet of the water inlet tank is trapezoidal, and the cross section of the water outlet tank perpendicular to the water outlet of the water outlet tank is trapezoidal.
6. The efficient and energy-saving heat exchanger for the new energy automobile is characterized in that: the trapezoidal orientation of the cross section of the water inlet tank vertical to the water inlet of the water inlet tank is different from the trapezoidal orientation of the cross section of the water outlet tank vertical to the water outlet of the water outlet tank; a water inlet close to the end part of the water inlet box body and a water outlet close to the end part of the water outlet box body are both arranged at the bottom of each trapezoid in section; two water inlets of the water inlet tank are both cylindrical, the inner diameter of the water inlet close to the end part of the water inlet tank body is larger, two water outlets of the water outlet tank are both cylindrical, and the inner diameter of the water outlet close to the end part of the water outlet tank body is larger.
7. The high-efficiency energy-saving heat exchanger for the new energy automobile is characterized in that: and a plurality of radiating fins are fixed between every two adjacent radiating pipes.
8. The efficient and energy-saving heat exchanger for the new energy automobile according to claim 7, characterized in that: the radiating fins are provided with window-opening angles.
9. The high-efficiency energy-saving heat exchanger for the new energy automobile is characterized in that: the system also comprises an inlet water management system; the water inlet management system comprises a pipeline, a flow velocity measuring device, a control center and a throttle valve; a water inlet of the flow velocity measuring device is connected with a pipeline; the water outlet of the flow velocity measuring device is divided into two paths, one path is connected with one water inlet of the water inlet tank through a pipeline, and the other path is connected with the other water inlet of the water inlet tank through a pipeline and a throttle valve; the signal output end of the flow velocity measuring device is connected with the control center, and the throttle valve is controlled by the control center.
10. The high-efficiency energy-saving heat exchanger for the new energy automobile according to claim 9, characterized in that: the flow velocity measuring device adopts a Venturi tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122333004.XU CN216268659U (en) | 2021-09-26 | 2021-09-26 | A energy-efficient heat exchanger for new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122333004.XU CN216268659U (en) | 2021-09-26 | 2021-09-26 | A energy-efficient heat exchanger for new energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216268659U true CN216268659U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122333004.XU Active CN216268659U (en) | 2021-09-26 | 2021-09-26 | A energy-efficient heat exchanger for new energy automobile |
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| CN (1) | CN216268659U (en) |
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2021
- 2021-09-26 CN CN202122333004.XU patent/CN216268659U/en active Active
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