CN110608624B - Heat exchange unit and heat exchange system for hybrid vehicle - Google Patents
Heat exchange unit and heat exchange system for hybrid vehicle Download PDFInfo
- Publication number
- CN110608624B CN110608624B CN201810613051.XA CN201810613051A CN110608624B CN 110608624 B CN110608624 B CN 110608624B CN 201810613051 A CN201810613051 A CN 201810613051A CN 110608624 B CN110608624 B CN 110608624B
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- China
- Prior art keywords
- heat transfer
- heat
- transfer medium
- heat exchange
- exchange unit
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F23/00—Features relating to the use of intermediate heat-exchange materials, e.g. selection of compositions
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
- H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The present invention relates to the field of heat exchange, and more particularly to a heat exchange unit and a heat exchange system for a hybrid vehicle. The heat exchange unit includes: a first channel containing a first heat transfer medium capable of absorbing heat from the high temperature component; a second channel containing a second heat transfer medium capable of transferring heat to the cryogenic article; and an intermediate container including an intermediate heat transfer medium through which heat of the first heat transfer medium can be transferred to the second heat transfer medium and through which the heat exchange unit can self-regulate an amount of heat transferred through the intermediate heat transfer medium according to a temperature change of the second heat transfer medium. Thus, the heat exchange unit and the heat exchange system for a hybrid vehicle including the same of the present invention improve the utilization of energy, reduce the cost, and also improve the safety.
Description
Technical Field
The present invention relates to the field of heat exchange, and more particularly, to a heat exchange unit and a heat exchange system for a hybrid vehicle including the same.
Background
In the related art, when the hybrid vehicle is in a low-temperature environment, the battery pack in the hybrid vehicle needs to be heated. However, the system for heating the battery pack in the existing hybrid vehicle has the following disadvantages:
1. in the prior art, electrical steel sheets, i.e. silicon steel sheets, are used as heating sheets, so that the cost of the whole heating system is very high.
2. In the prior art, the heat of the engine is not utilized to heat the battery pack, so that the energy utilization rate is not high.
Disclosure of Invention
The present invention has been made in view of the above-mentioned drawbacks of the prior art. The object of the present invention is to provide a new type of heat exchange unit which enables a reduction in costs and an increase in the utilization of energy compared to the prior art. In addition, another object of the present invention is to provide a heat exchange system for a hybrid vehicle including the above heat exchange unit.
In order to achieve the above object, the present invention adopts the following technical solutions.
The present invention provides a heat exchange unit comprising: a first channel containing a first heat transfer medium, the first channel being connected to a high temperature member such that the first heat transfer medium can absorb heat from the high temperature member; a second channel containing a second heat transfer medium and disposed spaced apart from the first channel, the second channel being connected to a cryogenic article such that the second heat transfer medium is capable of transferring heat to the cryogenic article; and an intermediate tank including an intermediate heat transfer medium via which heat of the first heat transfer medium can be transferred to the second heat transfer medium and the heat exchange unit can self-regulate an amount of heat transferred via the intermediate heat transfer medium according to a temperature change of the second heat transfer medium.
Preferably, the intermediate container is disposed adjacent to the first and second passages, the intermediate container includes a heat conduction portion and a variable volume portion communicating with each other, the intermediate heat-conducting medium is able to flow between the heat conduction portion and the variable volume portion, and the self-adjustment is achieved by adjusting an amount of the intermediate heat-conducting medium within the heat conduction portion.
More preferably, the intermediate container includes a first intermediate heat transfer medium received in the heat transfer portion and a second intermediate heat transfer medium received in the heat transfer portion and the variable volume portion, such that expansion/contraction of the first intermediate heat transfer medium can increase/decrease an amount of the second intermediate heat transfer medium flowing into the variable volume portion.
More preferably, the second intermediate heat transfer medium has a thermal conductivity greater than that of the first intermediate heat transfer medium.
More preferably, the coefficient of thermal expansion of the second intermediate heat-conducting medium is smaller than the coefficient of thermal expansion of the first intermediate heat-conducting medium.
More preferably, the first intermediate heat-conducting medium is a gas, and the second intermediate heat-conducting medium is a liquid.
More preferably, the variable volume part is formed of an elastic material and a volume of the variable volume part is variable according to a change in internal pressure of the variable volume part.
The invention also provides a heat exchange system for a hybrid vehicle, which comprises a plurality of heat exchange units in any one of the technical schemes.
Preferably, the high-temperature member is an engine of a hybrid vehicle, and the low-temperature member is a battery pack of the hybrid vehicle.
Preferably, a plurality of the heat exchange units are arranged side by side with each other, and the intermediate container is provided between the first passage of one heat exchange unit and the second passage of the other heat exchange unit among the adjacent two heat exchange units of the heat exchange system.
By adopting the technical scheme, the invention provides a novel heat exchange unit and a heat exchange system for a hybrid power vehicle, wherein the heat exchange unit can absorb the heat of a high-temperature part and transfer the heat to a low-temperature part, so that the utilization rate of energy is improved; the heat exchange unit does not need a heating sheet such as an electrical steel sheet, etc. as in the prior art, thereby reducing costs; in addition, the heat exchange unit can automatically adjust the heat transferred to the battery pack according to the heat transferred by the engine without an external control device, thereby improving the safety of the heat exchange unit.
Drawings
Fig. 1a is a perspective view illustrating a connection structure of a heat exchange unit according to an embodiment of the present invention; fig. 1b and 1c are explanatory diagrams for explaining a self-regulation process of the heat exchange unit in fig. 1 a.
Fig. 2 is a main body schematic view showing a connection structure of a heat exchange system for a hybrid vehicle according to the present invention.
Description of the reference numerals
1 first channel 1c first heat transfer medium 2 second channel 2c second heat transfer medium 3 intermediate container 31 heat transfer portion 32 variable volume portion 3c1 first intermediate heat transfer medium 3c2 second intermediate heat transfer medium
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
(Heat exchange Unit)
As shown in fig. 1a, a heat exchange unit according to an embodiment of the present invention, which includes a first passage 1, a second passage 2, and an intermediate tank 3 independent of each other, will be described below as an example in the case where the heat exchange unit is used in a hybrid vehicle.
In the present embodiment, the first passage 1 contains the first heat transfer medium 1c and the first heat transfer medium 1c is able to flow within the first passage 1. The first passage 1 is connected to an engine (not shown as an example of a high-temperature member) of the hybrid vehicle so that the first heat transfer medium 1c can absorb heat from the engine of the hybrid vehicle.
In the present embodiment, the second passage 2 contains the second heat transfer medium 2c and the second heat transfer medium 2c is able to flow within the second passage 2. The second passage 2 is provided spaced apart from the first passage 1, and the second passage 2 is connected to a battery pack (not shown, as an example of a low temperature member) of the hybrid vehicle such that the second heat transfer medium 2c can transfer heat to the battery pack of the hybrid vehicle.
In the present embodiment, the intermediate container 3 is disposed between the first and second passages 1 and 2 so as to be adjacent to the first and second passages 1 and 2, the intermediate container 3 includes the first and second intermediate heat-conducting media 3c1 and 3c2, and the heat of the first heat-conducting medium 1c can be transferred to the second heat-conducting medium 2c via the first and second intermediate heat-conducting media 3c1 and 3c 2.
Specifically, the intermediate container 3 includes a heat conduction portion 31 and a variable volume portion 32 that communicate with each other, and the heat of the first heat transfer medium 1c is transferred to the second heat transfer medium 2c mainly via the intermediate heat transfer medium in the heat conduction portion 31. The heat conduction portion 31 is located between the first passage 1 and the second passage 2 and always maintains a constant volume. The variable volume portion 32 is provided below the heat conductive portion 31 and is variable in volume. The variable volume part 32 is formed of an elastic material and the volume of the variable volume part 32 can be changed according to a change in the internal pressure of the variable volume part 32.
In the present embodiment, the first intermediate heat transfer medium 3c1 is housed in the heat transfer portion 31, and the second intermediate heat transfer medium 3c2 is housed in the heat transfer portion 31 and the variable volume portion 32, that is, the second intermediate heat transfer medium 3c2 is able to flow between the heat transfer portion 31 and the variable volume portion 32. The thermal conductivity of the second intermediate heat-conducting medium 3c2 is greater than that of the first intermediate heat-conducting medium 3c1, and the thermal expansion coefficient of the second intermediate heat-conducting medium 3c2 is smaller than that of the first intermediate heat-conducting medium 3c 1.
In this way, the first intermediate heat-conducting medium 3c1 and the second intermediate heat-conducting medium 3c2 can realize the following movement process and heat transfer process according to the temperature change of the second heat-conducting medium 2c. As shown in fig. 1b, when the temperatures of the first heat transfer medium 1c and the second heat transfer medium 2c are both high, the first intermediate heat transfer medium 3c1 expands (pressure increases) so that the second intermediate heat transfer medium 3c2 flows from the heat transfer portion 31 into the variable volume portion 32 and the volume of the variable volume portion 32 increases, and thus the amount of heat transferred from the first intermediate heat transfer medium 3c1 to the second intermediate heat transfer medium 3c2 via the first intermediate heat transfer medium 3c1 and the second intermediate heat transfer medium 3c2 in the heat transfer portion 31 per unit time becomes small. As shown in fig. 1c, when the temperature of the second heat transfer medium 2c becomes lower than the temperature of the second heat transfer medium 2c in fig. 1b, the first intermediate heat transfer medium 3c1 contracts (pressure decreases) so that the second intermediate heat transfer medium 3c2 flows from the variable volume portion 32 into the heat transfer portion 31 and the volume of the variable volume portion 32 becomes smaller, and thus the amount of heat transferred from the first intermediate heat transfer medium 3c1 to the second intermediate heat transfer medium 3c2 through the first intermediate heat transfer medium 3c1 and the second intermediate heat transfer medium 3c2 in the heat transfer portion 31 per unit time becomes larger. Therefore, the heat exchange unit according to the present invention can self-regulate the amount of heat transferred through the first and second intermediate heat transfer media 3c1 and 3c2 according to the temperature change of the second heat transfer medium 2c, thereby preventing the battery pack from being damaged due to excessive heat transferred to the battery pack. Moreover, the self-adjustment is a mechanical self-adjustment mode without an external control device, so that the structure is relatively simple and the reliability is high.
In the present embodiment, the first intermediate heat transfer medium 3c1 is preferably a gas, and the second intermediate heat transfer medium 3c2 is preferably a liquid.
The specific structure of the heat exchange unit according to the present invention is explained above, and the structure of the heat exchange system for a hybrid vehicle constituted by such a heat exchange unit will be explained below.
(Heat exchange System for hybrid vehicle)
In the present embodiment, as shown in fig. 2, the heat exchange system for a hybrid vehicle according to the present invention includes two heat exchange units having the above-described structure. The two heat exchange units are arranged alongside one another.
Furthermore, an additional intermediate container 3 is provided between the first channel 1 of one heat exchange unit and the second channel 2 of the other heat exchange unit. The first channel 1 of such a heat exchange unit and the second channel 2 of another heat exchange unit and the additional intermediate container 3 also form a heat exchange unit.
Although the technical solution of the present invention is explained in detail in the above, it should be noted that:
1. although not illustrated in the above specific embodiment, it should be understood that the first heat transfer medium 1c, the second heat transfer medium 2c, and the second intermediate heat transfer medium 3c2 may be a general heat transfer medium such as heat transfer oil or water. The first heat transfer medium 1c, the second heat transfer medium 2c, and the second intermediate heat transfer medium 3c2 may be the same or different.
2. Although it is described in the above specific embodiment that the heat exchange system for a hybrid vehicle according to the present invention includes two heat exchange units having the above-described structure, the present invention is not limited thereto. The heat exchange system for a hybrid vehicle according to the present invention may be constituted, for example, by more than two heat exchange units having the above-described structure, and an additional intermediate tank 3 is provided between the first passage 1 of one heat exchange unit and the second passage 2 of the other heat exchange unit among the adjacent two heat exchange units of the heat exchange system.
Claims (10)
1. A heat exchange unit, characterized in that it comprises:
a first channel containing a first heat transfer medium, the first channel being connected to a high temperature member such that the first heat transfer medium can absorb heat from the high temperature member;
a second channel containing a second heat transfer medium and disposed spaced apart from the first channel, the second channel being connected to a cryogenic article such that the second heat transfer medium is capable of transferring heat to the cryogenic article; and
an intermediate container including an intermediate heat transfer medium via which heat of the first heat transfer medium is transferable to the second heat transfer medium and the heat exchange unit is self-regulating an amount of heat transferred via the intermediate heat transfer medium according to a temperature variation of the second heat transfer medium, the intermediate container including a heat transfer portion and a variable volume portion communicating with each other, the intermediate heat transfer medium being flowable between the heat transfer portion and the variable volume portion, the self-regulation being achieved by regulating the amount of the intermediate heat transfer medium within the heat transfer portion.
2. A heat exchange unit according to claim 1, characterised in that the intermediate container is arranged contiguously with the first and second channels.
3. Heat exchange unit according to claim 2,
the intermediate container includes a first intermediate heat transfer medium received in the heat transfer portion and a second intermediate heat transfer medium received in the heat transfer portion and the variable volume portion, such that expansion/contraction of the first intermediate heat transfer medium can increase/decrease an amount of the second intermediate heat transfer medium flowing into the variable volume portion.
4. A heat exchange unit according to claim 3, characterised in that the thermal conductivity of the second intermediate heat transfer medium is greater than the thermal conductivity of the first intermediate heat transfer medium.
5. A heat exchange unit according to claim 3, characterised in that the coefficient of thermal expansion of the second intermediate heat-conducting medium is smaller than the coefficient of thermal expansion of the first intermediate heat-conducting medium.
6. Heat exchange unit according to claim 3,
the first intermediate heat-conducting medium is gas, and the second intermediate heat-conducting medium is liquid.
7. The heat exchange unit according to claim 2, wherein the variable volume part is formed of an elastic material and a volume of the variable volume part is variable according to a change in internal pressure of the variable volume part.
8. A heat exchange system for a hybrid vehicle, characterized in that the heat exchange system comprises a plurality of heat exchange units according to any one of claims 1 to 7.
9. The heat exchange system for a hybrid vehicle according to claim 8, wherein the high-temperature member is an engine of the hybrid vehicle, and the low-temperature member is a battery pack of the hybrid vehicle.
10. The heat exchange system for a hybrid vehicle according to claim 8 or 9, wherein a plurality of the heat exchange units are arranged side by side with each other, and
the intermediate container is disposed between the first passage of one heat exchange unit and the second passage of the other heat exchange unit among two adjacent heat exchange units of the heat exchange system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810613051.XA CN110608624B (en) | 2018-06-14 | 2018-06-14 | Heat exchange unit and heat exchange system for hybrid vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810613051.XA CN110608624B (en) | 2018-06-14 | 2018-06-14 | Heat exchange unit and heat exchange system for hybrid vehicle |
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| Publication Number | Publication Date |
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| CN110608624A CN110608624A (en) | 2019-12-24 |
| CN110608624B true CN110608624B (en) | 2023-03-28 |
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| CN201810613051.XA Active CN110608624B (en) | 2018-06-14 | 2018-06-14 | Heat exchange unit and heat exchange system for hybrid vehicle |
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| CN113418413B (en) * | 2021-06-29 | 2023-08-15 | 华南理工大学 | Intelligent response self-adaptive soaking plate structure |
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| CN104165537A (en) * | 2014-07-28 | 2014-11-26 | 大连派思燃气系统股份有限公司 | Reheating type water bath furnace |
| JPWO2014156991A1 (en) * | 2013-03-29 | 2017-02-16 | 日本碍子株式会社 | Thermal switch, temperature control structure, and battery pack |
| CN106662079A (en) * | 2014-06-06 | 2017-05-10 | 阿特拉斯·科普柯空气动力股份有限公司 | Energy cell for converting heat into other forms of energy and apparatus for the recovery of heat that makes use of such energy cell |
| CN206450120U (en) * | 2016-12-31 | 2017-08-29 | 威海市锅炉制造厂 | A kind of frost-free composite heat exchange tube of adjustable heat transfer coefficient |
| CN107565189A (en) * | 2016-07-01 | 2018-01-09 | 福特全球技术公司 | Battery coolant circuit controls |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2010244978A (en) * | 2009-04-09 | 2010-10-28 | Toyota Motor Corp | Heat exchange medium, and electric storage device |
| US9433128B2 (en) * | 2009-05-26 | 2016-08-30 | Deep Science, Llc | System and method of operating an electrical energy storage device or an electrochemical energy generation device, during charge or discharge using microchannels and high thermal conductivity materials |
| FR3008036B1 (en) * | 2013-07-05 | 2015-06-26 | Renault Sa | DEVICE FOR THERMALLY MANAGING THE BATTERY OF AN ELECTRIC VEHICLE |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3446130A1 (en) * | 1984-12-18 | 1986-06-26 | Hermann 8070 Ingolstadt Schmidt | Heat exchanger |
| DE3613459A1 (en) * | 1986-04-21 | 1987-10-22 | Inst Fuer Kerntechnik & Energ | Heat transfer device |
| CN1710369A (en) * | 2005-06-23 | 2005-12-21 | 上海交通大学 | Heat management device of cold-heat-electricity supply system based on gas IC engine |
| CN101734133A (en) * | 2008-11-05 | 2010-06-16 | 新奥科技发展有限公司 | Heating temperature-control system for power battery |
| JPWO2014156991A1 (en) * | 2013-03-29 | 2017-02-16 | 日本碍子株式会社 | Thermal switch, temperature control structure, and battery pack |
| CN106662079A (en) * | 2014-06-06 | 2017-05-10 | 阿特拉斯·科普柯空气动力股份有限公司 | Energy cell for converting heat into other forms of energy and apparatus for the recovery of heat that makes use of such energy cell |
| CN104165537A (en) * | 2014-07-28 | 2014-11-26 | 大连派思燃气系统股份有限公司 | Reheating type water bath furnace |
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| CN206450120U (en) * | 2016-12-31 | 2017-08-29 | 威海市锅炉制造厂 | A kind of frost-free composite heat exchange tube of adjustable heat transfer coefficient |
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| CN110608624A (en) | 2019-12-24 |
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