CN111525214A - Heat exchange structure and heat exchange control method - Google Patents
Heat exchange structure and heat exchange control method Download PDFInfo
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- CN111525214A CN111525214A CN202010374249.4A CN202010374249A CN111525214A CN 111525214 A CN111525214 A CN 111525214A CN 202010374249 A CN202010374249 A CN 202010374249A CN 111525214 A CN111525214 A CN 111525214A
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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
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
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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
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
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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
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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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 embodiment of the invention provides a heat exchange structure and a heat exchange control method, and relates to the technical field of heat exchange. The heat exchange structure comprises a control unit, a first temperature sensor, a heat exchange assembly and a circulation assembly, wherein the circulation assembly is used for being connected with a product; the heat exchange assembly is communicated with the circulation assembly and is used for exchanging heat for a heat exchange medium in the circulation assembly; the first temperature sensor is arranged at the product and used for detecting product temperature data of the product; the control unit is used for receiving the temperature data of the product, controlling the circulation assembly to start or controlling the circulation assembly and the heat exchange assembly to start simultaneously when the product is in the first temperature interval, and enabling the heat exchange medium in the circulation assembly to flow circularly so as to exchange heat with the product. According to the invention, the heat exchange medium circularly flows in the circulating assembly to uniformly exchange heat with the product, so that the whole product can be ensured to be in a stable temperature range, the heat exchange device is safe and reliable, and the service life of the product is prolonged.
Description
Technical Field
The invention relates to the technical field of heat exchange, in particular to a heat exchange structure and a heat exchange control method.
Background
In an electric drive vehicle such as an existing new energy vehicle (EV/HEV/PHEV) in which a battery provides a main energy source, the temperature of the battery greatly affects the performance of pure electric drive and the energy and time of discharge. In addition, considering from the viewpoint of the service life of the power battery, the service life value of the battery can be maximized only by the relatively proper temperature and the relatively good consistency of the battery pack. The thermal management of the power cell is of particular importance.
The battery is heated by adopting an electric heating mode in the prior art, the method is easy to heat up too fast, the temperature is too high, a heating sheet and a module are caused when the battery is low in temperature, the temperature difference between the battery cores in the module is too large, and the service life of the battery is influenced to a certain extent.
Disclosure of Invention
The invention aims to provide a heat exchange structure and a heat exchange control method, which can be mainly used for heat exchange of products.
Embodiments of the invention may be implemented as follows:
in a first aspect, an embodiment provides a heat exchange structure, which is used for exchanging heat for a product, and includes: the device comprises a control unit, a first temperature sensor, a heat exchange assembly and a circulating assembly, wherein the circulating assembly is used for being connected with a product;
the heat exchange assembly is communicated with the circulation assembly and is used for exchanging heat for a heat exchange medium in the circulation assembly;
the first temperature sensor is arranged at the product and used for detecting product temperature data of the product;
the control unit is used for receiving the product temperature data, controlling the circulation assembly to start or controlling the circulation assembly and the heat exchange assembly to start simultaneously when the product is in a first temperature interval, and enabling the heat exchange medium in the circulation assembly to flow circularly so as to exchange heat with the product.
In an optional embodiment, the heat exchange structure further comprises a second temperature sensor, the second temperature sensor is arranged close to the product, and the second temperature sensor is electrically connected with the control unit;
the second temperature sensor is used for detecting heat exchange temperature data of the heat exchange medium flowing to the product from the circulating assembly and sending the heat exchange temperature data to the control unit;
when the heat exchange temperature data is smaller than or equal to a first preset initial value, the control unit is used for controlling the circulation assembly and the heat exchange assembly to be started simultaneously;
when the heat exchange temperature data is larger than the first preset initial value, the control unit is used for controlling the circulation assembly to be started and the heat exchange assembly not to be started.
In an optional embodiment, the control unit is further configured to control the heat exchange assembly to be turned off when the heat exchange temperature data is greater than a second preset initial value, where the first preset initial value is smaller than the second preset initial value.
In an optional implementation mode, the circulation component comprises a circulation branch, a heat exchange branch, a circulation pump, a circulation switch and a heat exchange switch, the circulation branch is provided with a first connecting point and a second connecting point, the first connecting point and the second connecting point divide the circulation branch into a first section and a second section, the product is arranged on the first section, the circulation switch is arranged on the second section, one end of the heat exchange branch is communicated with the first connecting point, the other end of the heat exchange branch is communicated with the second connecting point, the heat exchange switch is arranged on the heat exchange branch, the heat exchange branch is connected with the heat exchange component, and the circulation pump is arranged on the first section.
In an optional embodiment, when the heat exchange temperature data is less than or equal to the first preset initial value, the control unit is configured to control the heat exchange switch to be turned on, the circulation switch to be turned off, and the circulation pump to be started.
In an optional embodiment, when the heat exchange temperature data is greater than the first preset initial value, the control unit is configured to control the heat exchange switch to be turned off, the circulation switch to be turned on, and the circulation pump to be started.
In an optional embodiment, when the heat exchange temperature data is greater than the second preset initial value, the control unit is configured to control the heat exchange switch to be turned off, the circulation switch to be turned on, and the circulation pump to be turned off until the heat exchange temperature data is less than a third preset initial value;
when the heat exchange temperature data is smaller than a third preset initial value, the control unit is used for controlling the heat exchange switch to be turned off, the circulation switch to be turned on and the circulation pump to be started, wherein the third preset initial value is smaller than the second preset initial value and larger than the first preset initial value.
In an optional embodiment, an opening is provided at the first section near the product, and the opening is communicated with the first section and is used for introducing the heat exchange medium into the circulation branch.
In an optional embodiment, the first temperature interval has a first preset temperature value, a second preset temperature value, a third preset temperature value and a fourth preset temperature value, the first preset temperature value is smaller than the second preset temperature value, the second preset temperature value is smaller than the third preset temperature value, and the third preset temperature value is smaller than the fourth preset temperature value;
when the product temperature data is greater than or equal to the first preset temperature value and less than the second preset temperature value, the control unit is used for controlling the circulation assembly to start or the circulation assembly and the heat exchange assembly to start simultaneously, so that the heat exchange temperature data of the heat exchange medium is kept between the first preset heat exchange temperature value and the second preset heat exchange temperature value, wherein the first preset heat exchange temperature value is less than the second preset heat exchange temperature value;
when the product temperature data is greater than or equal to the second preset temperature value and less than the third preset temperature value, the control unit is used for controlling the circulation assembly to start or the circulation assembly and the heat exchange assembly to start simultaneously, so that the heat exchange temperature data of the heat exchange medium is kept between the third preset heat exchange temperature value and a fourth preset heat exchange temperature value, wherein the third preset heat exchange temperature value is less than the fourth preset heat exchange temperature value;
when the product temperature data is greater than or equal to the third preset temperature value and is less than the fourth preset temperature value, the control unit is used for controlling the circulation assembly to start or the circulation assembly and the heat exchange assembly to start simultaneously, so that the heat exchange temperature data of the heat exchange medium is kept between a fifth preset heat exchange temperature value and a sixth preset heat exchange temperature value, wherein the fifth preset heat exchange temperature value is less than the sixth preset heat exchange temperature value.
In a second aspect, an embodiment provides a heat exchange control method, which applies the heat exchange structure according to any one of the foregoing embodiments to exchange heat for a product, and the heat exchange control method includes:
detecting product temperature data of the product;
and when the product is in a first temperature interval, controlling the circulation assembly to start or simultaneously starting the circulation assembly and the heat exchange assembly to make the heat exchange medium in the circulation assembly circularly flow so as to exchange heat for the product.
The embodiment of the invention has the following beneficial effects: the heat exchange structure comprises a control unit, a first temperature sensor, a heat exchange assembly and a circulation assembly, wherein the circulation assembly is used for being connected with a product; the heat exchange assembly is communicated with the circulation assembly and is used for exchanging heat for a heat exchange medium in the circulation assembly; the first temperature sensor is arranged at the product and used for detecting product temperature data of the product; the control unit is used for receiving the temperature data of the product, controlling the circulation assembly to start or controlling the circulation assembly and the heat exchange assembly to start simultaneously when the product is in the first temperature interval, and enabling the heat exchange medium in the circulation assembly to flow circularly so as to exchange heat with the product.
In the invention, after the first temperature sensor detects the product temperature data of the product, the product temperature data is transmitted to the control unit, and when the product temperature data is in a first temperature interval, the control unit controls the circulation assembly to start or controls the circulation assembly and the heat exchange assembly to start simultaneously, so that the heat exchange medium in the circulation assembly flows circularly to exchange heat for the product. According to the invention, the heat exchange medium circularly flows in the circulating assembly to uniformly exchange heat with the product, so that the whole product can be ensured to be in a stable temperature range, the heat exchange device is safe and reliable, and the service life of the product is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of a heat exchange structure and a product connection structure according to a first embodiment of the present invention;
fig. 2 is a block diagram showing the heat exchange structure according to the first embodiment of the present invention;
fig. 3 is a flowchart of a heat exchange control method according to a second embodiment of the present invention.
Icon: 100-a heat exchange structure; 110-a control unit; 120-a first temperature sensor; 130-a cycle component; 131-a heat exchange branch; 132-a circulation pump; 133-cycle switch; 134-heat exchange switch; 135-circulation branch; 136-first section; 137-second segment; 138-opening; 140-a heat exchange assembly; 142-a heat exchange pump; 144-a heat exchanger; 146-a heat exchange box; 148-heat exchange tubes; 150-a second temperature sensor; 200-products.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
First embodiment
Referring to fig. 1 and fig. 2, the present embodiment provides a heat exchange structure 100, the heat exchange structure 100 provided in the present embodiment is mainly used for heat exchange of a product 200, and the heat exchange structure 100 provided in the present embodiment enables the whole product 200 to be ensured within a stable temperature range, and is safe and reliable, so that the service life of the product 200 is prolonged.
The product 200 is mainly a structure requiring heat dissipation, such as a battery.
In this embodiment, the heat exchange structure 100 includes: the system comprises a control unit 110, a first temperature sensor 120, a heat exchange assembly 140 and a circulation assembly 130, wherein the circulation assembly 130 is used for being connected with a product 200;
the heat exchange assembly 140 is communicated with the circulation assembly 130 and is used for exchanging heat for a heat exchange medium in the circulation assembly 130;
the first temperature sensor 120 is disposed at the product 200, for detecting product temperature data of the product 200;
the control unit 110 is configured to receive the product temperature data, and when the product 200 is in the first temperature interval, control the circulation assembly 130 to start or control the circulation assembly 130 and the heat exchange assembly 140 to start simultaneously, so that the heat exchange medium in the circulation assembly 130 flows circularly to exchange heat with the product 200.
In this embodiment, after the first temperature sensor 120 detects the product temperature data of the product 200, the product temperature data is transmitted to the control unit 110, and when the product temperature data is within the first temperature range, the control unit 110 controls the circulation component 130 to start or controls the circulation component 130 and the heat exchange component 140 to start simultaneously, so that the heat exchange medium in the circulation component 130 flows circularly to exchange heat with the product 200. In this embodiment, the heat exchange medium circulates in the circulation assembly 130 and can uniformly exchange heat with the product 200, so that the product 200 can be kept at a stable temperature, and the heat exchange system is safe and reliable and prolongs the service life of the product 200.
In this embodiment, the heat exchange structure 100 further includes a second temperature sensor 150, the second temperature sensor 150 is disposed near the product 200, and the second temperature sensor 150 is electrically connected to the control unit 110;
the second temperature sensor 150 is configured to detect heat exchange temperature data of the heat exchange medium flowing from the circulation assembly 130 to the product 200, and send the heat exchange temperature data to the control unit 110;
when the heat exchange temperature data is less than or equal to the first preset initial value, the control unit 110 is configured to control the circulation component 130 and the heat exchange component 140 to start simultaneously;
when the heat exchange temperature data is greater than the first preset initial value, the control unit 110 is configured to control the circulation assembly 130 to start and the heat exchange assembly 140 not to start.
In this embodiment, when the heat exchange temperature data is greater than the first preset initial value, it indicates that the temperature of the heat exchange medium itself is high, and the product 200 may be directly heated. When the heat exchange temperature data is less than or equal to the first preset initial value, it indicates that the temperature of the heat exchange medium is low, and the heat exchange medium cannot directly exchange heat with the product 200, and the heat exchange assembly 140 needs to be started to heat the heat exchange medium at the same time.
In this embodiment, the control unit 110 is further configured to control the heat exchange assembly 140 to be turned off when the heat exchange temperature data is greater than a second preset initial value, where the first preset initial value is smaller than the second preset initial value.
In this embodiment, when the heat exchange temperature data is less than or equal to the first preset initial value, the control unit 110 controls the circulation component 130 and the heat exchange component 140 to start simultaneously, the circulation component 130 heats the heat exchange medium simultaneously when the heat exchange temperature data circularly flows by the heat exchange component 140, when the heat exchange temperature data detected by the second temperature sensor 150 reaches the second preset initial value, it indicates that the heat exchange temperature data of the heat exchange medium reaches the upper limit, the heat exchange component 140 is controlled to be turned off, and it is possible to avoid the heat exchange temperature of the heat exchange medium from being too high, thereby causing the temperature of the product 200 to be too high and affecting the service life of the product 200.
In this embodiment, the circulation component 130 includes a circulation branch 135, a heat exchange branch 131, a circulation pump 132, a circulation switch 133 and a heat exchange switch 134, the circulation branch 135 has a first connection point and a second connection point, the first connection point and the second connection point divide the circulation branch 135 into a first section 136 and a second section 137, the product 200 is disposed on the first section 136, the circulation switch 133 is disposed on the second section 137, one end of the heat exchange branch 131 is communicated with the first connection point, the other end is communicated with the second connection point, the heat exchange switch 134 is disposed on the heat exchange branch 131, the heat exchange branch 131 is connected with the heat exchange component 140, and the circulation pump 132 is disposed on the first section 136.
In this embodiment, when the heat exchange temperature data is less than or equal to the first preset initial value, the control unit 110 is configured to control the heat exchange switch 134 to be turned on, the circulation switch 133 to be turned off, and the circulation pump 132 to be turned on.
In this embodiment, when the heat exchange temperature data is less than or equal to the first preset initial value, the temperature of the heat exchange medium is low, the circulation switch 133 is turned off, the heat exchange switch 134 is turned on, the first section 136 and the heat exchange branch 131 form a circulation loop, the heat exchange component 140 heats the heat exchange medium, and the circulation pump 132 enables the heat exchange medium to flow in the circulation loop, so as to exchange heat with the product 200.
In this embodiment, when heat transfer temperature data is less than or equal to a first preset initial value, the temperature of heat transfer medium itself can not directly heat product 200, and heat transfer medium heats heat transfer medium simultaneously in-process with product 200 heat transfer.
In this embodiment, when the heat exchange temperature data is greater than the first preset initial value, the control unit 110 is configured to control the heat exchange switch 134 to be turned off, the circulation switch 133 to be turned on, and the circulation pump 132 to be turned on.
In this embodiment, when the heat exchange temperature data is greater than the first preset initial value, the heat exchange switch 134 is turned off, the circulation switch 133 is turned on, the first section 136 and the second section 137 are communicated to form a circulation loop, the heat exchange medium circularly flows in the circulation loop formed by the first section 136 and the second section 137, and the product 200 is heated by the heat of the heat exchange medium.
In this embodiment, when the heat exchange temperature data is greater than the second preset initial value, the control unit 110 is configured to control the heat exchange switch 134 to be turned off, the circulation switch 133 to be turned on, and the circulation pump 132 to be turned off until the heat exchange temperature data is less than the third preset initial value;
when the heat exchange temperature data is smaller than a third preset initial value, the control unit 110 is configured to control the heat exchange switch 134 to be turned off, the circulation switch 133 to be turned on, and the circulation pump 132 to be turned on, where the third preset initial value is smaller than the second preset initial value and larger than the first preset initial value.
In this embodiment, after the heat exchange temperature data is greater than the second preset initial value, the control unit 110 controls the heat exchange switch 134 to be turned off and the circulation pump 132 to be turned off, and the heat exchange medium in the circulation branch 135 is stationary and naturally cooled until the heat exchange temperature data is less than the third preset value. To avoid damage to the product 200 from excessive heat exchange temperature data.
In this embodiment, in the heating process, the heat exchange temperature data reaches the third preset value in advance, and when the heat exchange temperature data is greater than the third preset value, the control unit 110 controls the heat exchange assembly 140 to be turned off, the heat exchange switch 134 to be turned off, the circulation switch 133 to be turned on, and the circulation pump 132 to be turned on, so as to exchange heat with the product 200 by the heat of the heat exchange medium.
That is, when the heat exchange assembly 140 is heating the heat exchange medium, the heat exchange temperature data of the heat exchange medium reaches a third preset initial value, and when the heat exchange temperature data reaches the third preset initial value, the control unit 110 controls the heat exchange assembly 140 to be turned off, and controls the heat exchange switch 134 to be turned off and the circulation switch 133 to be turned on. When the heat exchange assembly 140 is heating the heat exchange medium, and the temperature of the heat exchange medium suddenly changes to the second preset initial value, the circulation pump 132 stops working, so that the heat exchange medium naturally cools to the third preset initial value, and then exchanges heat with the product 200.
In this embodiment, the first preset initial value is 30 degrees, the second preset initial value is 50 degrees, and the third preset initial value is 45 degrees.
In this embodiment, the first section 136 is provided with an opening 138 near the product 200, and the opening 138 is communicated with the first section 136 for introducing the heat exchange medium into the circulation branch 135.
In this embodiment, during the heat exchange process, the heat exchange medium enters the first section 136 from the opening 138, and whether the heat exchange assembly 140 is turned on or not is controlled according to the heat exchange temperature data of the heat exchange medium.
In this embodiment, the first temperature interval has a first preset temperature value, a second preset temperature value, a third preset temperature value and a fourth preset temperature value, the first preset temperature value is smaller than the second preset temperature value, the second preset temperature value is smaller than the third preset temperature value, and the third preset temperature value is smaller than the fourth preset temperature value.
In this embodiment, the lower limit of the first temperature interval is a first preset temperature value, and the upper limit is a fourth preset temperature value.
When the product temperature data is greater than or equal to the first preset temperature value and less than the second preset temperature value, the control unit 110 is configured to control the circulation assembly 130 to start or the circulation assembly 130 and the heat exchange assembly 140 to start simultaneously, so that the heat exchange temperature data of the heat exchange medium is maintained between the first preset heat exchange temperature value and the second preset heat exchange temperature value, where the first preset heat exchange temperature value is less than the second preset heat exchange temperature value.
In this embodiment, the first preset temperature value is-30 degrees, the second preset temperature value is 0 degrees, the first preset heat exchange temperature value is 35 degrees, and the second preset heat exchange temperature is 45 degrees.
When the product temperature data is greater than or equal to the first preset temperature value and is less than the second preset temperature value, the product temperature data of the product 200 is very low, and the temperature of the product 200 can be quickly increased only when the heat exchange medium has a higher temperature.
When the product temperature data is greater than or equal to the second preset temperature value and less than the third preset temperature value, the control unit 110 is configured to control the circulation assembly 130 to start or the circulation assembly 130 and the heat exchange assembly 140 to start simultaneously, so that the heat exchange temperature data of the heat exchange medium is maintained between the third preset heat exchange temperature value and a fourth preset heat exchange temperature value, where the third preset heat exchange temperature value is less than the fourth preset heat exchange temperature value.
In this embodiment, the third preset temperature value is 5 degrees, the third preset heat exchange temperature value is 30 degrees, and the fourth preset heat exchange temperature is 45 degrees.
When the product temperature data is greater than or equal to the second preset temperature value and less than the third preset temperature value, the temperature of the product 200 is raised to some extent relative to the temperature of the rapid heating stage, and at this time, the requirement on the temperature of the heat exchange medium is low, and the temperature can be slightly lower than that of the rapid heating stage.
When the product temperature data is greater than or equal to the third preset temperature value and less than the fourth preset temperature value, the control unit 110 is configured to control the circulation assembly 130 to start or the circulation assembly 130 and the heat exchange assembly 140 to start simultaneously, so that the heat exchange temperature data of the heat exchange medium is kept between a fifth preset heat exchange temperature value and a sixth preset heat exchange temperature value, where the fifth preset heat exchange temperature value is less than the sixth preset heat exchange temperature value.
In this embodiment, the fourth preset temperature value is 35 degrees, the fifth preset heat exchange temperature value is 0 degrees, and the sixth preset heat exchange temperature is 25 degrees.
When the product temperature data is greater than or equal to the third preset temperature value and is less than the fourth preset temperature value, the temperature of the product 200 can always work normally, and the heat exchange medium does not need to have higher temperature.
In this embodiment, when the product temperature data is smaller than the first preset temperature value or larger than the fifth preset temperature value, the control unit 110 directly alarms. Wherein the fifth preset temperature value is 55 degrees.
In this embodiment, the heat exchange assembly 140 includes a heat exchange pump 142, a heat exchanger 144, a heat exchange box 146 and a heat exchange tube 148, the heat exchange tube 148 is an annular structure, the heat exchange pump 142 and the heat exchange box 146 are installed on the heat exchange tube 148, the heat exchange box 146 is used for accommodating a heat source, the heat exchanger 144 is disposed on the heat exchange tube 148 and the heat exchange branch 131, the heat exchange pump 142 is electrically connected to the control unit 110, and when a heat exchange medium needs to be heated, the control unit 110 controls the heat exchange pump 142 to be started, so that the heat source circularly flows in the heat exchange tube 148, flows into the heat exchanger 144.
In summary, in the heat exchange structure 100 provided in this embodiment, after the first temperature sensor 120 detects the product temperature data of the product 200, the product temperature data is transmitted to the control unit 110, and when the product temperature data is within the first temperature interval, the control unit 110 controls the circulation component 130 to start or controls the circulation component 130 and the heat exchange component 140 to start simultaneously, so that the heat exchange medium in the circulation component 130 flows circularly to exchange heat with the product 200. In this embodiment, the heat exchange medium circulates in the circulation assembly 130 and can uniformly exchange heat with the product 200, so that the product 200 can be kept at a stable temperature, and the heat exchange system is safe and reliable and prolongs the service life of the product 200.
In this embodiment, the temperature of the heat exchange medium is controlled in real time, so that the product 200 can work at an appropriate temperature, the risk of short circuit of the direct electric heating appliance is reduced, the reliability is improved, and the overall performance is improved to some extent.
Second embodiment
Referring to fig. 3, the embodiment provides a heat exchange control method, the heat exchange control method provided in the embodiment is mainly used for heat exchange of a product 200, and the heat exchange structure 100 provided in the embodiment can ensure a stable temperature of the whole product 200, is safe and reliable, and prolongs a service life of the product 200.
The heat exchange control method provided in this embodiment is executed based on the heat exchange structure 100 provided in the first embodiment, and the heat exchange structure 100 provided in the first embodiment is applied to exchange heat with the product 200. For the sake of brief description, where this embodiment is not mentioned, reference may be made to the first embodiment.
The method comprises the following specific steps:
step S100, product temperature data of the product 200 is detected.
Step S200, when the product 200 is in the first temperature interval, controlling the circulation assembly 130 to start or the circulation assembly 130 and the heat exchange assembly 140 to start simultaneously. The heat exchange medium in the circulation assembly 130 is circulated to exchange heat with the product 200.
In the present embodiment, the first temperature sensor 120 detects product temperature data. When the product 200 is in the first temperature interval, the control unit 110 controls the circulation assembly 130 to start or the circulation assembly 130 and the heat exchange assembly 140 to start simultaneously, so that the heat exchange medium in the circulation assembly 130 flows circularly.
In this embodiment, when the heat exchange temperature data is less than or equal to the first preset initial value, the control unit 110 is configured to control the circulation component 130 and the heat exchange component 140 to start simultaneously; when the heat exchange temperature data is greater than the first preset initial value, the control unit 110 is configured to control the circulation assembly 130 to start and the heat exchange assembly 140 not to start.
In this embodiment, when the heat exchange temperature data is greater than the first preset initial value, it indicates that the temperature of the heat exchange medium itself is high, and the product 200 may be directly heated. When the heat exchange temperature data is less than or equal to the first preset initial value, it indicates that the temperature of the heat exchange medium is low, and the heat exchange medium cannot directly exchange heat with the product 200, and the heat exchange assembly 140 needs to be started to heat the heat exchange medium at the same time.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A heat exchange structure for exchanging heat with a product, comprising: the device comprises a control unit, a first temperature sensor, a heat exchange assembly and a circulating assembly, wherein the circulating assembly is used for being connected with a product;
the heat exchange assembly is communicated with the circulation assembly and is used for exchanging heat for a heat exchange medium in the circulation assembly;
the first temperature sensor is arranged at the product and used for detecting product temperature data of the product;
the control unit is used for receiving the product temperature data, controlling the circulation assembly to start or controlling the circulation assembly and the heat exchange assembly to start simultaneously when the product is in a first temperature interval, and enabling the heat exchange medium in the circulation assembly to flow circularly so as to exchange heat with the product.
2. The heat exchange structure of claim 1, further comprising a second temperature sensor disposed proximate to the product, the second temperature sensor being electrically connected to the control unit;
the second temperature sensor is used for detecting heat exchange temperature data of the heat exchange medium flowing to the product from the circulating assembly and sending the heat exchange temperature data to the control unit;
when the heat exchange temperature data is smaller than or equal to a first preset initial value, the control unit is used for controlling the circulation assembly and the heat exchange assembly to be started simultaneously;
when the heat exchange temperature data is larger than the first preset initial value, the control unit is used for controlling the circulation assembly to be started and the heat exchange assembly not to be started.
3. The heat exchange structure of claim 2, wherein the control unit is further configured to control the heat exchange assembly to be turned off when the heat exchange temperature data is greater than a second preset initial value, wherein the first preset initial value is smaller than the second preset initial value.
4. The heat exchange structure according to claim 2, wherein the circulation component comprises a circulation branch, a heat exchange branch, a circulation pump, a circulation switch and a heat exchange switch, the circulation branch has a first connection point and a second connection point, the first connection point and the second connection point divide the circulation branch into a first section and a second section, the product is disposed on the first section, the circulation switch is disposed on the second section, one end of the heat exchange branch is communicated with the first connection point, the other end of the heat exchange branch is communicated with the second connection point, the heat exchange switch is disposed on the heat exchange branch, the heat exchange branch is connected with the heat exchange component, and the circulation pump is disposed on the first section.
5. The heat exchange structure according to claim 4, wherein when the heat exchange temperature data is less than or equal to the first preset initial value, the control unit is configured to control the heat exchange switch to be turned on, the circulation switch to be turned off, and the circulation pump to be turned on.
6. The heat exchange structure according to claim 4, wherein when the heat exchange temperature data is greater than the first preset initial value, the control unit is configured to control the heat exchange switch to be turned off, the circulation switch to be turned on, and the circulation pump to be turned on.
7. The heat exchange structure according to claim 4, wherein when the heat exchange temperature data is greater than a second preset initial value, the control unit is configured to control the heat exchange switch to be turned off, the circulation switch to be turned on, and the circulation pump to be turned off until the heat exchange temperature data is less than a third preset initial value;
when the heat exchange temperature data is smaller than a third preset initial value, the control unit is used for controlling the heat exchange switch to be turned off, the circulation switch to be turned on and the circulation pump to be started, wherein the third preset initial value is smaller than the second preset initial value and larger than the first preset initial value.
8. The heat exchange structure of claim 4, wherein the first section is provided with an opening near the product, and the opening is communicated with the first section and is used for introducing the heat exchange medium into the circulation branch.
9. The heat exchange structure according to claim 1, wherein the first temperature range has a first preset temperature value, a second preset temperature value, a third preset temperature value and a fourth preset temperature value, the first preset temperature value is smaller than the second preset temperature value, the second preset temperature value is smaller than the third preset temperature value, and the third preset temperature value is smaller than the fourth preset temperature value;
when the product temperature data is greater than or equal to the first preset temperature value and less than the second preset temperature value, the control unit is used for controlling the circulation assembly to start or the circulation assembly and the heat exchange assembly to start simultaneously, so that the heat exchange temperature data of the heat exchange medium is kept between a first preset heat exchange temperature value and a second preset heat exchange temperature value, wherein the first preset heat exchange temperature value is less than the second preset heat exchange temperature value;
when the product temperature data is greater than or equal to the second preset temperature value and less than the third preset temperature value, the control unit is used for controlling the circulation assembly to start or the circulation assembly and the heat exchange assembly to start simultaneously, so that the heat exchange temperature data of the heat exchange medium is kept between the third preset heat exchange temperature value and a fourth preset heat exchange temperature value, wherein the third preset heat exchange temperature value is less than the fourth preset heat exchange temperature value;
when the product temperature data is greater than or equal to the third preset temperature value and is less than the fourth preset temperature value, the control unit is used for controlling the circulation assembly to start or the circulation assembly and the heat exchange assembly to start simultaneously, so that the heat exchange temperature data of the heat exchange medium is kept between a fifth preset heat exchange temperature value and a sixth preset heat exchange temperature value, wherein the fifth preset heat exchange temperature value is less than the sixth preset heat exchange temperature value.
10. A heat exchange control method for exchanging heat of a product by using the heat exchange structure according to any one of claims 1 to 9, the heat exchange control method comprising:
detecting product temperature data of the product;
and when the product is in a first temperature interval, controlling the circulation assembly to start or simultaneously starting the circulation assembly and the heat exchange assembly to make the heat exchange medium in the circulation assembly circularly flow so as to exchange heat for the product.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100089547A1 (en) * | 2008-10-15 | 2010-04-15 | Robert Dean King | System and method for temperature control of multi-battery systems |
| CN102120412A (en) * | 2009-09-28 | 2011-07-13 | 法雷奥空调系统有限责任公司 | Method for controlling the passenger compartment temperature of an electrically operated vehicle and air-conditioning system |
| JP2011173543A (en) * | 2010-02-25 | 2011-09-08 | Sanyo Electric Co Ltd | Battery cooling/heating device |
| CN104852103A (en) * | 2014-02-19 | 2015-08-19 | 广州汽车集团股份有限公司 | Device and method for regulating temperature of power cell, and automobile |
| CN106532178A (en) * | 2016-11-04 | 2017-03-22 | 北京汽车股份有限公司 | Battery pack temperature control device, temperature control method and vehicle |
| CN206653936U (en) * | 2017-03-21 | 2017-11-21 | 广州小鹏汽车科技有限公司 | A kind of electric automobile heating system |
| CN107863581A (en) * | 2017-09-21 | 2018-03-30 | 深圳市沃特玛电池有限公司 | A kind of battery bag heat management system |
| CN108493514A (en) * | 2018-05-16 | 2018-09-04 | 西安科技大学 | A kind of heat dissipation of battery pack and heating device and control method |
| CN109228824A (en) * | 2018-10-30 | 2019-01-18 | 珠海格力电器股份有限公司 | A kind of integrated battery based on heat pump air conditioner, motor, automatically controlled integrated thermal management system and method |
| CN109616706A (en) * | 2018-12-12 | 2019-04-12 | 杰锋汽车动力系统股份有限公司 | Batteries of electric automobile packet temperature control equipment and its control method |
| CN110509744A (en) * | 2019-08-30 | 2019-11-29 | 海马新能源汽车有限公司 | A kind of thermal management system of electric automobile and electric car |
-
2020
- 2020-05-06 CN CN202010374249.4A patent/CN111525214B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100089547A1 (en) * | 2008-10-15 | 2010-04-15 | Robert Dean King | System and method for temperature control of multi-battery systems |
| CN102120412A (en) * | 2009-09-28 | 2011-07-13 | 法雷奥空调系统有限责任公司 | Method for controlling the passenger compartment temperature of an electrically operated vehicle and air-conditioning system |
| JP2011173543A (en) * | 2010-02-25 | 2011-09-08 | Sanyo Electric Co Ltd | Battery cooling/heating device |
| CN104852103A (en) * | 2014-02-19 | 2015-08-19 | 广州汽车集团股份有限公司 | Device and method for regulating temperature of power cell, and automobile |
| CN106532178A (en) * | 2016-11-04 | 2017-03-22 | 北京汽车股份有限公司 | Battery pack temperature control device, temperature control method and vehicle |
| CN206653936U (en) * | 2017-03-21 | 2017-11-21 | 广州小鹏汽车科技有限公司 | A kind of electric automobile heating system |
| CN107863581A (en) * | 2017-09-21 | 2018-03-30 | 深圳市沃特玛电池有限公司 | A kind of battery bag heat management system |
| CN108493514A (en) * | 2018-05-16 | 2018-09-04 | 西安科技大学 | A kind of heat dissipation of battery pack and heating device and control method |
| CN109228824A (en) * | 2018-10-30 | 2019-01-18 | 珠海格力电器股份有限公司 | A kind of integrated battery based on heat pump air conditioner, motor, automatically controlled integrated thermal management system and method |
| CN109616706A (en) * | 2018-12-12 | 2019-04-12 | 杰锋汽车动力系统股份有限公司 | Batteries of electric automobile packet temperature control equipment and its control method |
| CN110509744A (en) * | 2019-08-30 | 2019-11-29 | 海马新能源汽车有限公司 | A kind of thermal management system of electric automobile and electric car |
Non-Patent Citations (2)
| Title |
|---|
| DENG YW等: "Effects of different coolants and cooling strategies on the cooling performance of the power lithium ion battery system: A review", 《APPLIED THERMAL ENGINEERING》 * |
| 于会涛等: "多回路热管理系统在电动汽车中的应用", 《上海汽车》 * |
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|---|---|
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