Thermal management device
By designing a coolant circuit for an air-cooled condenser and evaporator, the problem of high energy consumption in thermal management devices at low temperatures was solved, achieving efficient heat dissipation at low temperatures and reducing energy costs.
Patent Information
- Application Number
- CN202422837957.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-20
AI Technical Summary
Existing thermal management devices have high energy costs in low-temperature environments, and the compressor refrigeration function consumes a lot of energy.
A thermal management device including a condenser, evaporator, coolant piping and a circulating pump was designed. It utilizes a fan and coolant circuit for air cooling in low-temperature environments, avoiding the use of a compressor for refrigeration.
In low-temperature environments, air cooling reduces battery energy consumption costs, and the use of the surrounding low-temperature environment for effective heat dissipation reduces the energy consumption of the thermal management device.
Smart Images
Figure CN223514054U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heat dissipation equipment technical field, specifically, relate to a heat management device. BACKGROUND
[0002] The battery generates heat in the charging and discharging process, and the heat needs to be effectively managed, for example, timely heat dissipation, to avoid high temperature leading to battery performance degradation.
[0003] For the battery, the current heat management device usually only supports the compression refrigeration function, but the compressor works in the low temperature environment and generates large energy consumption, leading to the increase of the energy consumption cost of the heat management device. UTILITY MODEL CONTENTS
[0004] The utility model solves the problem of how to reduce the energy consumption cost of the heat management device in the low temperature environment.
[0005] To solve the above problems, the utility model provides a heat management device.
[0006] The utility model provides a heat management device, including shell, condenser, evaporimeter, first cooling liquid pipeline, second cooling liquid pipeline and circulating pump, be equipped with air inlet and air outlet on the shell, the condenser is located in the shell, and it is towards the air inlet is established, one side of the condenser is equipped with first fan towards the air inlet, the condenser has first cooling liquid import and first cooling liquid export, the evaporimeter is located in the shell, and it is towards the air outlet is established, one side of the evaporimeter is equipped with second fan away from the air outlet, the evaporimeter has second cooling liquid import and second cooling liquid export, the both ends of first cooling liquid pipeline are connected with first cooling liquid import and second cooling liquid export respectively, the both ends of second cooling liquid pipeline are connected with first cooling liquid export and second cooling liquid import respectively, and the circulating pump is installed in first cooling liquid pipeline.
[0007] Optionally, the inner chamber of the shell is provided with a vertically arranged partition plate, the partition plate separates the inner chamber of the shell into horizontally distributed first chamber and second chamber, the air inlet is arranged on the wall part of the first chamber, and the air outlet is arranged on the wall part of the second chamber, the condenser is arranged in the interior of the first chamber, the evaporimeter is arranged in the interior of the second chamber, and the first cooling liquid pipeline and the second cooling liquid pipeline penetrate through and are fixed to the partition plate respectively.
[0008] Optionally, the first chamber has a mounting side wall connected perpendicularly with the partition plate, and the air inlet is arranged on the mounting side wall, and in the projection plane parallel to the partition plate, the projection of the condenser is arranged obliquely relative to the projection of the mounting side wall.
[0009] Optionally, a fan mounting plate is arranged between the mounting side wall and the condenser, the fan mounting plate is parallel to the condenser; the first fan is arranged in the fan mounting plate.
[0010] Optionally, the second chamber has a mounting bottom wall connected perpendicularly to the partition plate, the air outlet is arranged in the mounting bottom wall; in a projection plane parallel to the partition plate, a projection of the evaporator is arranged obliquely relative to a projection of the mounting bottom wall.
[0011] Optionally, a heater is arranged in the second chamber, the heater is arranged towards the evaporator, a side of the heater away from the evaporator is provided with a third fan.
[0012] Optionally, the heat management device further comprises an expansion water kettle, the expansion water kettle is in communication with the first cooling liquid pipeline.
[0013] Optionally, the condenser further has a first refrigerant inlet and a first refrigerant outlet, the evaporator further has a second refrigerant inlet and a second refrigerant outlet; the heat management device further comprises a compressor, a first refrigerant pipeline and a second refrigerant pipeline, two ends of the first refrigerant pipeline are in communication with the first refrigerant inlet and the second refrigerant outlet respectively, two ends of the second refrigerant pipeline are in communication with the first refrigerant outlet and the second refrigerant inlet respectively, the compressor is mounted on the first refrigerant pipeline.
[0014] Optionally, the first refrigerant pipeline and the second refrigerant pipeline are respectively penetrated through and fixed on the partition plate.
[0015] Optionally, the condenser is a three-source heat exchange condenser, and the evaporator is a three-source heat exchange evaporator.
[0016] The heat management device has the advantages that the first cooling liquid pipeline and the second cooling liquid pipeline are communicated with the condenser and the evaporator respectively to form a cooling liquid loop, so that the cooling liquid can flow in the direction of the condenser, the second cooling liquid pipeline, the evaporator and the first cooling liquid pipeline under the power provided by the circulating pump; meanwhile, the condenser is arranged in the shell and faces the air inlet, and a first fan is arranged on the side of the condenser facing the air inlet, so that the first fan can blow the cold energy outside the shell to the condenser to complete the air cooling of the cooling liquid at the condenser; in addition, the evaporator is arranged in the shell and faces the air outlet, and a second fan is arranged on the side of the evaporator away from the air outlet, and the evaporator is provided with a second cooling liquid inlet and a second cooling liquid outlet, so that the second fan can blow the cold energy of the cooling liquid to the air outlet to complete the cooling of the battery outside the air outlet, thereby realizing the air cooling of the battery in the low-temperature environment, utilizing the low-temperature environment around the heat management device, and reducing the energy consumption cost of the battery refrigeration in the low-temperature environment without starting the compressor for refrigeration. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a structure schematic view of the heat management device of the utility model embodiment;
[0018] Figure 2 It is a structure schematic view of the heat management device of the utility model embodiment;
[0019] Figure 3 It is a structure schematic view of the heat management device of the utility model embodiment;
[0020] Figure 4 It is a top view of the heat management device of the utility model embodiment;
[0021] Figure 5 It is Figure 4 It is a sectional view of the heat management device along A-A line;
[0022] Figure 6 It is Figure 4 It is a sectional view of the heat management device along B-B line.
[0023] BRIEF DESCRIPTION OF DRAWINGS
[0024] 1, shell;11, air inlet;12, air outlet;13, first fan;14, partition;15, first chamber;151, mounting side wall;16, second chamber;161, mounting bottom wall;162, heater;17, fan mounting plate;2, condenser;3, evaporator;4, first cooling liquid pipeline;5, second cooling liquid pipeline;6, circulating pump;7, expansion kettle;8, compressor;9, first refrigerant pipeline;10, second refrigerant pipeline. DETAILED DESCRIPTION
[0025] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings. Although some embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms, and should not be interpreted as being limited to the embodiments described herein, on the contrary, these embodiments are provided to make the present application more thorough and complete. It should be understood that the drawings and embodiments of the present application are only for illustrative purposes, and are not intended to limit the scope of protection of the present application.
[0026] The Z-axis in the drawings represents the vertical direction, that is, the up-down position, and the positive direction of the Z-axis represents the upper side, and the negative direction of the Z-axis represents the lower side; the X-axis in the drawings represents the horizontal direction, and is designated as the front-rear position, and the positive direction of the X-axis represents the front side, and the negative direction of the X-axis represents the rear side; the Y-axis in the drawings represents the left-right position, and the positive direction of the Y-axis represents the left side, and the negative direction of the Y-axis represents the right side. It should be noted that the meanings of the aforementioned Z-axis, Y-axis and X-axis are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a specific orientation, structure and operation, and therefore cannot be understood as limiting the present application.
[0027] The term "comprising" and its variants are open-ended, i.e. "including but not limited to"; the term "based on" is "at least partially based on"; the term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments"; the term "optionally" means "optional embodiments". Related definitions of other terms will be given in the following description. It should be noted that the "first", "second", etc. concepts mentioned in the present application are only used to distinguish different devices, modules or units, and are not intended to limit the functions performed by these devices, modules or units or their mutual dependency.
[0028] It should be noted that the modification of "one" or "multiple" in the present application is illustrative rather than limiting, and those skilled in the art should understand that, unless otherwise explicitly indicated in the context, it should be understood as "one or more".
[0029] The present application provides a thermal management device to reduce the energy consumption cost of the thermal management device in a low temperature environment. The specific embodiments will be described in detail below.
[0030] As Figure 1 And Figure 2As shown, the utility model embodiment provides a kind of heat management device, including shell 1, condenser 2, evaporator 3, first cooling liquid pipeline 4, second cooling liquid pipeline 5 and circulating pump 6;The shell 1 is equipped with air inlet 11 and air outlet 12;The condenser 2 is located in the shell 1, and is towards the air inlet 11 setting, the side of the condenser 2 towards the air inlet 11 is equipped with first fan 13, the condenser 2 has first cooling liquid inlet and first cooling liquid outlet;The evaporator 3 is located in the shell 1, and is towards the air outlet 12 setting, the side of the evaporator 3 away from the air outlet 12 is equipped with second fan, the evaporator 3 has second cooling liquid inlet and second cooling liquid outlet;The two ends of the first cooling liquid pipeline 4 are respectively connected with the first cooling liquid inlet and the second cooling liquid outlet;The two ends of the second cooling liquid pipeline 5 are respectively connected with the first cooling liquid outlet and the second cooling liquid inlet;The circulating pump 6 is installed in the first cooling liquid pipeline 4.
[0031] It can be understood that condenser 2, evaporator 3, first cooling liquid pipeline 4, second cooling liquid pipeline 5 and circulating pump 6 can constitute cooling liquid circuit, specifically, circulating pump 6 provides power, so that cooling liquid circulates along the direction of first cooling liquid pipeline 4, condenser 2, second cooling liquid pipeline 5, evaporator 3, cooling liquid absorbs the cold of cold wind blown by first fan 13 in the process of circulation in condenser 2 position, the cold of cooling liquid in evaporator 3 position is brought to air outlet 12 by the wind of second fan, to cool battery outside air outlet 12.Specifically, when the heat management device is installed, it can be placed above the battery, and air outlet 12 is towards the battery, and cold air is blown out from air outlet 12 to cool the battery.
[0032] In the embodiment, the first cooling liquid pipe 4 and the second cooling liquid pipe 5 are connected with the condenser 2 and the evaporator 3 respectively to form a cooling liquid loop, so that the cooling liquid can flow in the direction of the condenser 2, the second cooling liquid pipe 5, the evaporator 3 and the first cooling liquid pipe 4 when the circulating pump 6 is powered. Meanwhile, the condenser 2 is arranged in the cabinet 1 and faces the air inlet 11, and the side of the condenser 2 facing the air inlet 11 is provided with the first fan 13, so that the first fan 13 can blow the cold energy outside the cabinet 1 to the condenser 2 to complete the air cooling of the cooling liquid at the condenser 2 in a low-temperature environment. In addition, the evaporator 3 is arranged in the cabinet 1 and faces the air outlet 12, and the side of the evaporator 3 away from the air outlet 12 is provided with the second fan, and the evaporator 3 is provided with the second cooling liquid inlet and the second cooling liquid outlet, so that the second fan can blow the cold energy of the cooling liquid to the air outlet 12 to complete the cooling of the battery outside the air outlet 12, thereby realizing the air cooling of the battery in a low-temperature environment, utilizing the low-temperature environment around the thermal management device, and reducing the energy consumption cost of the battery cooling in a low-temperature environment without starting the compressor 8.
[0033] Optionally, as shown in Figure 2 , Figure 3 , the inner cavity of the cabinet 1 is provided with a vertical partition plate 14, the partition plate 14 divides the inner cavity of the cabinet 1 into horizontally distributed first and second chambers 15 and 16, the air inlet 11 is arranged on the wall of the first chamber 15, and the air outlet 12 is arranged on the wall of the second chamber 16; the condenser 2 is arranged in the first chamber 15, the evaporator 3 is arranged in the second chamber 16, and the first and second cooling liquid pipes 4 and 5 penetrate and are fixed to the partition plate 14 respectively.
[0034] In the optional embodiment, the partition plate 14 can divide the inner cavity of the cabinet 1 into the horizontally distributed first and second chambers 15 and 16, the condenser 2 is arranged in the first chamber 15, and the evaporator 3 is arranged in the second chamber 16, so that the installation cavities of the condenser 2 and the evaporator 3 are independent of each other, which is beneficial to optimizing the heat exchange processes of the condenser 2 and the evaporator 3 respectively and avoiding mutual influence to reduce the heat exchange efficiency. Meanwhile, the partition plate 14 can also support the upper and lower walls of the cabinet 1 to improve the structural strength of the cabinet 1, and can also support the first and second cooling liquid pipes 4 and 5 to improve the installation stability of the cooling liquid pipes.
[0035] Optionally, as shown in Figure 3 , Figure 4 and Figure 5As shown, the first chamber 15 has a mounting side wall 151 connected perpendicularly to the partition plate 14, and the air inlet 11 is arranged on the mounting side wall 151; in the projection plane parallel to the partition plate 14, the projection of the condenser 2 is arranged obliquely relative to the projection of the mounting side wall 151.
[0036] In the alternative embodiment, by arranging the projection of the condenser 2 obliquely relative to the projection of the mounting side wall 151, the oblique arrangement is more conducive to the smooth flow of the cooling liquid in the condenser 2, improves the heat exchange efficiency, and at the same time, the oblique arrangement allows the condenser 2 to be arranged more effectively in the limited space of the casing 1, reduces the required vertical space, and improves the structural compactness of the heat management device.
[0037] Optionally, as shown in Figure 5 , a fan mounting plate 17 is arranged between the mounting side wall 151 and the condenser 2, the fan mounting plate 17 is parallel to the condenser 2, and the first fan 13 is arranged on the fan mounting plate 17.
[0038] It should be noted that the number of first fans 13 arranged in the fan mounting plate 17 is not limited, and can be one, two, three, etc. In the embodiment, two first fans 13 are arranged, and are arranged in sequence along the length direction of the fan mounting plate 17.
[0039] In the alternative embodiment, by arranging the fan mounting plate 17 parallel to the condenser 2, and arranging the first fan 13 on the fan mounting plate 17, the air of the first fan 13 can be blown vertically to the condenser 2, and the heat exchange effect of the condenser 2 can be improved.
[0040] Optionally, as shown in Figure 3 , Figure 4 , and Figure 6 , the second chamber 16 has a mounting bottom wall 161 connected perpendicularly to the partition plate 14, and the air outlet 12 is arranged on the mounting bottom wall 161; in the projection plane parallel to the partition plate 14, the projection of the evaporator 3 is arranged obliquely relative to the projection of the mounting bottom wall 161.
[0041] In the alternative embodiment, by arranging the projection of the evaporator 3 obliquely relative to the projection of the mounting bottom wall 161, the oblique arrangement is more conducive to the smooth flow of the cooling liquid in the evaporator 3, improves the heat exchange efficiency, and at the same time, the oblique arrangement allows the evaporator 3 to be arranged more effectively in the limited space of the casing 1, reduces the required vertical space, and improves the structural compactness of the heat management device.
[0042] Optionally, as shown in Figure 2 , and Figure 3As shown, the second chamber 16 is provided with a heater 162, which is arranged towards the evaporator 3, and a third fan is arranged on the side of the heater 162 away from the evaporator 3.
[0043] In this alternative embodiment, when the heater 162 and the third fan are started, the third fan blows the heat generated by the heater 162 to the evaporator 3 in the form of hot air, and the hot air is then sent to the battery outside the air outlet 12 through the air outlet 12, so that the battery can be preheated by starting the heater 162 and the third fan to ensure normal operation of the battery in extremely cold winter conditions.
[0044] Optionally, as shown, Figure 2 The thermal management device further comprises an expansion water tank 7, which is in communication with the first cooling liquid pipeline 4.
[0045] Specifically, a cooling liquid branch pipeline can be connected to the first cooling liquid pipeline 4, and the expansion water tank 7 is connected to the end of the cooling liquid branch pipeline away from the first cooling liquid pipeline 4.
[0046] In this alternative embodiment, the expansion water tank 7 is arranged in communication with the first cooling liquid pipeline 4, so that the expansion water tank 7 can accommodate excess cooling liquid when the volume of the cooling liquid changes due to temperature change, thereby preventing damage to the components of the cooling liquid circuit caused by overpressure.
[0047] Optionally, as shown, Figure 2 The condenser 2 further comprises a first refrigerant inlet and a first refrigerant outlet, and the evaporator 3 further comprises a second refrigerant inlet and a second refrigerant outlet; the thermal management device further comprises a compressor 8, a first refrigerant pipeline 9, and a second refrigerant pipeline 10, wherein the two ends of the first refrigerant pipeline 9 are in communication with the first refrigerant inlet and the second refrigerant outlet, respectively, the two ends of the second refrigerant pipeline 10 are in communication with the first refrigerant outlet and the second refrigerant inlet, respectively, and the compressor 8 is installed on the first refrigerant pipeline 9.
[0048] It can be understood that the condenser 2, the evaporator 3, the first refrigerant pipeline 9, and the second refrigerant pipeline 10 can constitute a refrigerant circuit, and specifically, the compressor 8 provides power to make the refrigerant circulate along the direction of the first refrigerant pipeline 9, the condenser 2, the second refrigerant pipeline 10, and the evaporator 3, and the refrigerant continuously changes phase during the circulation process. In the evaporator 3, the refrigerant changes from a low-temperature and low-pressure gas-liquid mixture to a low-temperature and low-pressure gas, which requires absorbing the heat of the air near the evaporator 3 to achieve refrigeration. The cold energy obtained by refrigeration is then brought to the battery outside the air outlet 12 by the wind of the second fan to cool the battery.
[0049] In the optional embodiment, the first refrigerant pipeline 9 and the second refrigerant pipeline 10 are communicated with the condenser 2 and the evaporator 3 respectively to form a refrigerant circuit, so that when the compressor 8 is powered, the refrigerant can flow in the direction of the first refrigerant pipeline 9, the condenser 2, the second refrigerant pipeline 10 and the evaporator 3 to realize refrigeration near the evaporator 3, so that in a high-temperature environment, the refrigerant circuit can be opened and the coolant circuit can be closed, the refrigeration near the evaporator 3 is realized by the phase change of the refrigerant in the refrigerant circuit, and the cold energy is sent to the air outlet 12 by the second fan to cool the battery outside the air outlet 12. The refrigerant circuit and the coolant circuit are matched with each other, the refrigeration of the coolant circuit in a low-temperature environment can guarantee sufficient cooling and lower energy consumption, and the refrigeration of the refrigerant circuit in a high-temperature environment can guarantee higher refrigeration efficiency, so that different cooling circuits can be flexibly selected according to the surrounding temperature, and the adaptability of the thermal management device is improved.
[0050] Optionally, as shown in Figure 2 The first refrigerant pipeline 9 and the second refrigerant pipeline 10 penetrate and are fixed to the partition plate 14 respectively.
[0051] In the optional embodiment, the partition plate 14 can support the first refrigerant pipeline 9 and the second refrigerant pipeline 10 to improve the installation stability of the refrigerant pipeline.
[0052] Optionally, as shown in Figure 2 The condenser 2 is a three-source heat exchange condenser, and the evaporator 3 is a three-source heat exchange evaporator.
[0053] Specifically, the three-source heat exchange condenser usually has a coolant pipeline communicated with the first coolant inlet and the first coolant outlet respectively, and a refrigerant pipeline communicated with the first refrigerant inlet and the first refrigerant outlet respectively; and the three-source heat exchange evaporator usually has a coolant pipeline communicated with the second coolant inlet and the second coolant outlet respectively, and a refrigerant pipeline communicated with the second refrigerant inlet and the second refrigerant outlet respectively.
[0054] In the optional embodiment, the three-source heat exchange condenser and the three-source heat exchange evaporator have high integration, which can greatly improve the space utilization of the thermal management device, so that the thermal management device is more compact.
[0055] Although the utility model discloses as above, the protection scope of the utility model is not limited to this. The person skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model, and these changes and modifications will all fall into the protection scope of the utility model.
Claims
1. A thermal management device, characterized by, The application relates to a cooling device, which comprises a casing (1), a condenser (2), an evaporator (3), a first cooling liquid pipeline (4), a second cooling liquid pipeline (5) and a circulating pump (6); an air inlet (11) and an air outlet (12) are arranged on the casing (1); the condenser (2) is arranged in the casing (1) and faces the air inlet (11); a first fan (13) is arranged on the side of the condenser (2) facing the air inlet (11); the condenser (2) is provided with a first cooling liquid inlet and a first cooling liquid outlet; the evaporator (3) is arranged in the casing (1) and faces the air outlet (12); a second fan is arranged on the side of the evaporator (3) away from the air outlet (12); the evaporator (3) is provided with a second cooling liquid inlet and a second cooling liquid outlet; the two ends of the first cooling liquid pipeline (4) are communicated with the first cooling liquid inlet and the second cooling liquid outlet respectively; the two ends of the second cooling liquid pipeline (5) are communicated with the first cooling liquid outlet and the second cooling liquid inlet respectively; and the circulating pump (6) is installed on the first cooling liquid pipeline (4).
2. The thermal management device of claim 1, wherein, A vertical partition plate (14) is arranged in the inner cavity of the casing (1), the partition plate (14) divides the inner cavity of the casing (1) into a horizontally distributed first chamber (15) and a second chamber (16), the air inlet (11) is arranged on the wall of the first chamber (15), and the air outlet (12) is arranged on the wall of the second chamber (16); the condenser (2) is arranged in the first chamber (15), the evaporator (3) is arranged in the second chamber (16), and the first cooling liquid pipeline (4) and the second cooling liquid pipeline (5) penetrate through and are fixed to the partition plate (14) respectively.
3. The thermal management device of claim 2, wherein, The first chamber (15) is provided with a mounting side wall (151) which is vertically connected with the partition plate (14), and the air inlet (11) is arranged on the mounting side wall (151); in the projection plane parallel to the partition plate (14), the projection of the condenser (2) is arranged obliquely relative to the projection of the mounting side wall (151).
4. The thermal management device of claim 3, wherein, A fan mounting plate (17) is arranged between the mounting side wall (151) and the condenser (2), the fan mounting plate (17) is parallel to the condenser (2), and the first fan (13) penetrates through the fan mounting plate (17).
5. The thermal management device of claim 2, wherein, The second chamber (16) is provided with a mounting bottom wall (161) which is vertically connected with the partition plate (14), and the air outlet (12) is arranged on the mounting bottom wall (161); in the projection plane parallel to the partition plate (14), the projection of the evaporator (3) is arranged obliquely relative to the projection of the mounting bottom wall (161).
6. The thermal management device of claim 5, wherein, A heater (162) is arranged in the second chamber (16), the heater (162) faces the evaporator (3), and a third fan is arranged on the side of the heater (162) away from the evaporator (3).
7. The thermal management device of claim 2, wherein, An expansion water kettle (7) is further arranged and communicated with the first cooling liquid pipeline (4).
8. The thermal management device of claim 2, wherein, The condenser (2) further has a first refrigerant inlet and a first refrigerant outlet, and the evaporator (3) further has a second refrigerant inlet and a second refrigerant outlet; the heat management device further comprises a compressor (8), a first refrigerant pipeline (9) and a second refrigerant pipeline (10), two ends of the first refrigerant pipeline (9) are communicated with the first refrigerant inlet and the second refrigerant outlet respectively, two ends of the second refrigerant pipeline (10) are communicated with the first refrigerant outlet and the second refrigerant inlet respectively, and the compressor (8) is installed on the first refrigerant pipeline (9).
9. The thermal management device of claim 8, wherein, The first refrigerant pipeline (9) and the second refrigerant pipeline (10) are respectively penetrated through and fixed on the partition plate (14).
10. The thermal management device of claim 1, wherein, The condenser (2) is a three-source heat exchange condenser, and the evaporator (3) is a three-source heat exchange evaporator.