CN111380168A - Air conditioning system and control method thereof - Google Patents
Air conditioning system and control method thereof Download PDFInfo
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- CN111380168A CN111380168A CN201910985484.2A CN201910985484A CN111380168A CN 111380168 A CN111380168 A CN 111380168A CN 201910985484 A CN201910985484 A CN 201910985484A CN 111380168 A CN111380168 A CN 111380168A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air-Conditioning For Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Secondary Cells (AREA)
Abstract
The application provides an air conditioning system and a control method of the air conditioning system. The heating device in the air conditioning system is used for heating cooling liquid in the cooling liquid passage, the cooling liquid in the cooling liquid passage is used for carrying out heat exchange with the battery pack, the environment temperature sensor is used for detecting the environment temperature, the battery pack temperature sensor is used for detecting the temperature of a cooling liquid inlet of the battery pack, and the controller controls the operation of the heating device. The control method of the air conditioning system comprises the following steps: determining a first target temperature according to the heating target temperature of the battery pack, the ambient temperature and the inlet temperature of the cooling liquid of the battery pack; the controller controls heating of the heating device according to the first target temperature. According to the heating requirement, the influence of the ambient temperature is considered, or the influence of the temperature of the cooling liquid is considered at the same time, and the accurate target temperature is determined, so that the heating device is controlled to output accurate power, and the fluctuation of the adjusting process of the target temperature is small.
Description
Technical Field
The present application relates to an air conditioning system and a control method of the air conditioning system.
Background
When heating needs exist, the heating device transfers heat to the cooling liquid, the cooling liquid transfers the heat to the heat transfer medium through the heat exchange device, and then the heat transfer medium transfers the heat to the space or the article with the heating needs. In the related art, the output of the heater is adjusted according to the outlet air temperature, and the output cannot cope with the complex conditions of overhigh or overlow ambient temperature and the like only by adjusting the outlet air temperature.
For example, when the ambient temperature is low, the temperature of the space or the object having the heating demand is substantially the same as the ambient temperature, and when the heating demand is high, the thermal transfer process is highly nonlinear, and the process fluctuation for adjusting the target temperature is large.
Disclosure of Invention
The invention provides an air conditioning system and a control method thereof, which determine a more accurate target temperature by considering the influence of the environmental temperature or the influence of the temperature of cooling liquid according to the heating requirement, thereby controlling a heating device to output more accurate power and ensuring that the fluctuation of the adjustment process of the target temperature is smaller.
To achieve the above object, an embodiment of the present invention provides an air conditioning system. Wherein, air conditioning system includes the battery package, air conditioning system still includes:
a heating device for heating the coolant in the coolant passage for heat exchange with the battery pack;
an ambient temperature sensor for detecting an ambient temperature;
the battery pack temperature sensor is arranged at the position, close to a heat supply inlet of the battery pack, of the cooling liquid passage and is used for detecting the temperature of the cooling liquid inlet of the battery pack; and
the heating device, the ambient temperature sensor, battery package temperature sensor all with the controller electricity is connected, the controller is right heating device's work is controlled.
Optionally, the air conditioning system further includes a first valve, the first valve is disposed between the heating device and the battery pack, and the first valve is electrically connected to the controller.
Optionally, the air conditioning system further includes a first heat exchanger, the first heat exchanger is disposed in the coolant passage, and the first heat exchanger exchanges heat with the battery pack.
Optionally, the air conditioning system further includes:
a tank, wherein the cooling liquid in the cooling liquid passage exchanges heat with the tank;
the heating device temperature sensor is arranged at the position of a heat supply outlet of the heating device and used for detecting the temperature of cooling liquid at the outlet of the heating device; and
the heating device, the environment temperature sensor, the heating device temperature sensor and the battery pack temperature sensor are all electrically connected with the controller, and the controller controls the operation of the heating device;
optionally, the air conditioning system further includes a first interface, a second interface and a third interface, one end of the second interface and one end of the third interface may be communicated with one end of the first interface, the other end of the first interface is communicated with one end of the cooling liquid passage close to the heat supply outlet of the heating device, one end of the first interface is used for supplying heat to the cabin body, and one end of the first interface is used for supplying heat to the battery pack.
Optionally, the air conditioning system further includes:
a first heat exchanger disposed in the coolant path, the first heat exchanger exchanging heat with the battery pack, and/or
And the second heat exchanger is arranged in the cooling liquid passage and exchanges heat with the cabin body.
The embodiment also provides a control method of an air conditioning system, the air conditioning system includes a battery pack, a heating device, a controller, a coolant passage, an ambient temperature sensor, and a battery pack temperature sensor, the heating device is used for heating coolant in the coolant passage, the coolant in the coolant passage is used for exchanging heat with the battery pack, the ambient temperature sensor is used for detecting ambient temperature, the battery pack temperature sensor is used for detecting the temperature of a coolant inlet of the battery pack, and the controller executes the control method of the air conditioning system and controls the operation of the heating device;
the control method of the air conditioning system comprises the following steps:
s1, judging whether a heating demand exists or not, if not, closing the heating device, otherwise, determining a first target temperature;
s2, selecting a battery pack heating target temperature interval according to the battery pack heating target temperature, selecting a battery pack cooling liquid inlet temperature interval according to the battery pack cooling liquid inlet temperature, selecting an environment temperature interval according to the environment temperature, and outputting a first target temperature to the controller according to the comparison between the battery pack cooling liquid inlet temperature and the battery pack heating target temperature;
and S3, controlling the operation of the heating device by the controller according to the first target temperature.
Optionally, the first target temperature is a system set value, and the system set value is multiple.
The present embodiment further provides a control method of an air conditioning system, where the air conditioning system includes a cabin, a battery pack, a heating device, a controller, a coolant passage, an ambient temperature sensor, a heating device temperature sensor, and a battery pack temperature sensor, the heating device is configured to heat coolant in the coolant passage, the coolant in the coolant passage is configured to exchange heat with the cabin and the battery pack, the ambient temperature sensor is configured to detect an ambient temperature, the heating device temperature sensor is configured to detect a temperature of coolant at an outlet of the heating device, and the controller executes the control method of the air conditioning system and controls operation of the heating device;
the control method of the air conditioning system comprises the following steps:
s1, judging whether a heating demand exists or not, if not, closing the heating device, otherwise, determining a first target temperature and a second target temperature;
s2, selecting a heating target temperature interval according to the heating target temperature, selecting an environment temperature interval according to the environment temperature, selecting a heating device outlet cooling liquid temperature interval according to the heating device outlet cooling liquid temperature, and/or comparing the heating target temperature with the environment temperature and adding the correction value;
if the non-heating target temperature is larger than the comparison between the ambient temperature and the correction value, outputting a second target temperature to the controller;
if the heating target temperature is larger than the comparison between the ambient temperature and the correction value, closing the heating device or outputting a second target temperature to the controller according to the magnitude relation between the heating target temperature and the ambient temperature plus the correction value;
s3, selecting a battery pack heating target temperature interval according to the battery pack heating target temperature, selecting a battery pack cooling liquid inlet temperature interval according to the battery pack cooling liquid inlet temperature, selecting an environment temperature interval according to the environment temperature, and outputting a first target temperature to the controller according to the comparison between the battery pack cooling liquid inlet temperature and the battery pack heating target temperature;
and S4, controlling the operation of the heating device by the controller according to the larger value of the first target temperature and the second target temperature.
Optionally, the turning off the heating device or outputting a second target temperature to the controller according to the relationship between the heating target temperature and the ambient temperature plus the correction value includes: if the heating target temperature is greater than the ambient temperature plus the correction value, outputting a second target temperature to the controller; and if the heating target temperature is not greater than the ambient temperature plus the correction value, closing the heating device.
Optionally, the first target temperature is a system set value; the second target temperature is a system set value or the sum of a heating target temperature and a correction value; the correction values are preset values, and the number of the correction values is multiple.
According to the air conditioning system and the control method of the air conditioning system, the influence of the ambient temperature is considered according to the heating requirement, or the influence of the temperature of the cooling liquid is considered at the same time, and the more accurate target temperature is determined, so that the heating device is controlled to output more accurate power, and the fluctuation of the adjustment process of the target temperature is smaller.
Drawings
Fig. 1 is a schematic structural view of an air conditioning system according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of an air conditioning system according to embodiment 2 of the present invention;
fig. 3 is a schematic structural view of an air conditioning system according to embodiment 3 of the present invention;
fig. 4 is a schematic structural view of an air conditioning system according to embodiment 4 of the present invention;
fig. 5 is a block schematic diagram of an air conditioning system according to embodiments 1 to 4 of the present invention;
fig. 6 is a schematic structural view of an air conditioning system according to embodiment 5 of the present invention;
fig. 7 is a schematic structural view of an air conditioning system according to embodiment 6 of the present invention;
fig. 8 is a schematic structural view of an air conditioning system according to embodiment 7 of the present invention;
fig. 9 is a block schematic diagram of an air conditioning system according to embodiments 5 to 7 of the present invention;
fig. 10 is a schematic flowchart of embodiment 1 of a temperature control method of an air conditioning system according to the present invention;
fig. 11 is a schematic flowchart of embodiment 2 of the temperature control method of the air conditioning system according to the present invention;
fig. 12 is a flowchart illustrating a temperature control method of an air conditioning system according to embodiment 3 of the present invention.
Description of the reference numerals
Ambient temperature sensor 4
Heating device temperature sensor 5
Battery pack temperature sensor 6
Controller 7
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "plurality" includes two, and is equivalent to at least two. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
The air conditioning system and the control method of the air conditioning system can be used for vehicles, but are not limited to the field of vehicles, and can also be used in other fields, optionally, electric vehicles, and the application is not limited. The hull 2 in this application is a relatively closed space, optionally, but not limited to, a passenger compartment of a vehicle, and may be a passenger compartment of a ship, a cargo compartment of a ship, or the like. In the embodiment of the present application, a description of an air conditioning system applied thereto, a temperature control method thereof, and a comprehensive air conditioning system is developed taking a vehicle as an example, and the following description is made taking the cabin body 2 as a passenger compartment of the vehicle as an example.
As shown in fig. 1 and 5, according to embodiment 1 of the present application, the air conditioning system includes a battery pack 1, a heating device 3, a controller 7, a coolant passage 9, an ambient temperature sensor 4, and a battery pack temperature sensor 6, the heating device 3, the ambient temperature sensor 4, and the battery pack temperature sensor 6 are all electrically connected to the controller 7, and the controller 7 controls the operation of the heating device 3.
The coolant flows through the coolant passage 9, and the heating device 3 heats the coolant in the coolant passage 9. The battery pack temperature sensor 6 is arranged at the position where the cooling liquid passage 9 is close to the heat supply inlet of the battery pack 1, and the battery pack temperature sensor 6 is used for detecting the temperature of the cooling liquid inlet of the battery pack. The ambient temperature sensor 4 is used to detect the ambient temperature, and it should be understood here that the ambient temperature sensor 4 may be provided at any part of the vehicle for detecting the ambient temperature outside the vehicle.
As shown in fig. 2, according to embodiment 2 of the present application, the air conditioning system may further include a first valve 10, the first valve 10 is electrically connected to the controller 7, and the controller 7 controls the on/off state of the first valve 10.
As shown in fig. 3, according to embodiment 3 of the present application, the air conditioning system may further include a first heat exchanger 81, the first heat exchanger 81 being provided in the coolant passage 9, the first heat exchanger 81 exchanging heat with the battery pack 1 for heating the battery pack 1. It should be understood here that the first heat exchanger 81 does not directly exchange heat with the battery pack 1, the coolant passage 9 includes a first coolant passage and a second coolant passage, the heating device 3 is provided in the first coolant passage, the battery pack 1 is provided in the second coolant passage, the coolant in the first coolant passage exchanges heat with the coolant in the second coolant passage through the first heat exchanger 81, and then exchanges heat with the battery pack 1 through the coolant in the second coolant passage.
As shown in fig. 4, according to embodiment 4 of the present application, the air conditioning system may further include a first heat exchanger 81 and a first valve 10, the first valve 10 is electrically connected to the controller 7, the controller 7 controls the on/off state of the first valve 10, the first heat exchanger 81 is disposed in the cooling liquid passage 9, and the first heat exchanger 81 exchanges heat with the battery pack 1 to heat the battery pack 1.
As shown in fig. 6 and 9, according to embodiment 5 of the present application, the air conditioning system includes a cabin 2, a battery pack 1, a heating device 3, a controller 7, a coolant passage 9, an ambient temperature sensor 4, a heating device temperature sensor 5, and a battery pack temperature sensor 6, the heating device 3, the ambient temperature sensor 4, the heating device temperature sensor 5, and the battery pack temperature sensor 6 are all electrically connected to the controller 7, and the controller 7 controls the operation of the heating device 3.
The coolant flows through the coolant passage 9, and the heating device 3 heats the coolant in the coolant passage 9. The heating device temperature sensor 5 is arranged at the position of a heat supply outlet of the heating device 3, and the heating device temperature sensor 5 is used for detecting the temperature of cooling liquid at the outlet of the heating device. The battery pack temperature sensor 6 is arranged at the position of the cooling liquid channel 9 close to the heat supply inlet of the battery pack 1, and the battery pack temperature sensor 6 is used for detecting the temperature of the cooling liquid inlet of the battery pack. The ambient temperature sensor 4 is used to detect the ambient temperature, and it should be understood here that the ambient temperature sensor 4 may be provided at any part of the vehicle for detecting the ambient temperature outside the vehicle.
According to an embodiment of the present application, the air conditioning system further includes a first interface 11, a second interface 12 and a third interface 13, wherein one end of each of the second interface 12 and the third interface 13 may be communicated with one end of the first interface 11, the other end of the first interface 11 is communicated with one end of the cooling liquid passage 9 close to the heat supply outlet of the heating device 3, one end of the second interface 12 far away from the first interface 11 is used for performing heat exchange with the cabin 2, and one end of the third interface 13 far away from the first interface 11 is used for performing heat exchange with the battery pack 1.
According to a particular embodiment of the present application, the air conditioning system further comprises a first valve 10. Optionally, the first valve 10 is a three-way valve, and the first port 11, the second port 12, and the third port 13 are three ports of the three-way valve, respectively. A first interface 11 of the three-way valve is communicated with one end of the cooling liquid channel 9 close to the heat supply outlet of the heating device 3, a second interface 12 of the three-way valve is communicated with the first heat exchanger 81, and a third interface 13 of the three-way valve is communicated with the heat supply inlet of the cooling liquid channel 9 close to the battery pack 1. The three-way valve is electrically connected with the controller 7, and the controller 7 controls the on-off state of the three-way valve.
According to an embodiment of the present application, the air conditioning system further comprises a second valve (not shown) and a third valve (not shown), the second valve comprising a first end and a second end and the second end, the third valve comprising a first end and a second end, the first end of the second valve being connected to the first end of the third valve and connected to the first port 11, the second end of the second valve being connected to the second port 12, and the second end of the third valve being connected to the third port 13. The first interface 11 is communicated with one end of the cooling liquid channel 9 close to the heat supply outlet of the heating device 3, the second interface 12 is communicated with the first heat exchanger 81, and the third interface 13 is communicated with the heat supply inlet of the cooling liquid channel 9 close to the battery pack 1. The second valve and the third valve are electrically connected to a controller 7, and the controller 7 controls the opening and closing states of the second valve and the third valve. Alternatively, the second valve and the third valve are valve elements having an on-off function.
As shown in fig. 7, according to embodiment 6 of the present application, the air conditioning system further includes a second heat exchanger 82, the second heat exchanger 82 is disposed in the cooling liquid passage 9, the second heat exchanger 82 performs heat exchange with the cabin 2, the battery pack 1 is disposed in the cooling liquid passage 9, and the cooling liquid in the cooling liquid passage 9 performs heat exchange with the battery pack 1.
As shown in fig. 8, according to embodiment 7 of the present application, the air conditioning system further includes a first heat exchanger 81 and a second heat exchanger 82, the second heat exchanger 82 is disposed in the cooling liquid passage 9, and the second heat exchanger 82 exchanges heat with the cabin 2; the first heat exchanger 81 is provided in the coolant passage 9, and the first heat exchanger 81 exchanges heat with the battery pack 1. It should be understood here that the first heat exchanger 81 does not directly exchange heat with the battery pack 1, the coolant passage 9 includes a first coolant passage and a second coolant passage, the heating device 3 and the second heat exchanger 82 are provided in the first coolant passage, the battery pack 1 is provided in the second coolant passage, the coolant in the first coolant passage exchanges heat with the coolant in the second coolant passage through the first heat exchanger 81, and then exchanges heat with the battery pack 1 through the coolant in the second coolant passage.
This application uses a heating device 3, two coolant liquid passageways 9 to satisfy the heating demand of the cabin body 2 and battery package 1 simultaneously, has system structure simply, and spare part is few, saves the advantage of cost.
As shown in fig. 9, embodiment 1 of the control method of the air conditioning system according to the present application includes the air conditioning systems shown in embodiments 1 to 4, in which the controller 7 executes the control method of the air conditioning system and controls the operation of the heating device 3.
According to an embodiment of the present application, a control method of an air conditioning system includes:
s1, judging whether a heating demand exists or not, if not, closing the heating device 3, otherwise, determining a first target temperature;
s2, selecting a battery pack heating target temperature interval according to the battery pack heating target temperature;
selecting a battery pack cooling liquid inlet temperature interval according to the battery pack cooling liquid inlet temperature;
selecting an environment temperature interval according to the environment temperature;
outputting the first target temperature to the controller 7;
s3, the controller 7 controls the operation of the heating device 3 according to the first target temperature determined at S2.
When the control method of the air conditioning system is in actual operation, a battery pack heating target temperature interval is selected according to the battery pack heating target temperature, a battery pack cooling liquid inlet temperature interval is selected according to the battery pack cooling liquid inlet temperature, an environment temperature interval is selected according to the environment temperature, and the battery pack cooling liquid inlet temperature and the battery pack heating target temperature are compared, wherein the sequence of the four operations in the controller 7 can be arbitrarily exchanged, and the output of the result of the first target temperature is not influenced.
It should be understood here that, when the control method of the air conditioning system is actually operated, a battery pack heating target temperature interval may be selected according to a battery pack heating target temperature, then a battery pack cooling liquid inlet temperature interval may be selected according to a battery pack cooling liquid inlet temperature, then an environment temperature interval may be selected according to an environment temperature, and then the battery pack cooling liquid inlet temperature and the battery pack heating target temperature are compared; the battery pack cooling liquid inlet temperature and the battery pack heating target temperature can be compared firstly, then an environment temperature interval is selected according to the environment temperature, then a battery pack cooling liquid inlet temperature interval is selected according to the battery pack cooling liquid inlet temperature, and then a battery pack heating target temperature interval is selected according to the battery pack heating target temperature.
According to one embodiment of the present application, the first target temperature is a system setpoint. It should be understood that the system setting is a fixed value pre-stored in the controller 7, and the system setting is set according to specific use requirements.
When the air conditioning system of the embodiment operates, the controller 7 receives a heating request of the battery pack 1, the controller 7 determines a first target temperature according to a target heating temperature of the battery pack, an ambient temperature and a coolant inlet temperature of the battery pack, and the controller 7 controls the operation of the heating device 3 according to the first target temperature. Specifically, the controller 7 adjusts the power of the heating device 3 after receiving the first target temperature, so that the heating device 3 heats the coolant in the coolant passage 9, the heated coolant flows to the first heat exchanger 81 through the first valve 10, and the heat is transferred to the battery pack 1 through the first heat exchanger 81, thereby heating the battery pack 1.
According to one embodiment of the present application, the controller 7 determines the first target temperature based on the battery pack heating target temperature, the ambient temperature, and the battery pack coolant inlet temperature. Specifically, this application not only regards battery package heating target temperature as the variable of the first target temperature of output, still considers the influence of the ambient temperature that the vehicle was located and battery package 1 coolant liquid import real-time temperature, considers the influence of environmental factor and battery package 1 coolant liquid import real-time temperature to the heating effect comparatively comprehensively. If the coolant is close to a lower ambient temperature or the coolant has a higher temperature, and the like, a more appropriate first target temperature can be output, and the heating device 3 is controlled to output more accurate power, so that the heating device 3 can more accurately and efficiently heat the cabin body 2, thereby avoiding unnecessary energy consumption of the air conditioning system and achieving the purpose of energy conservation.
In the related art, when the ambient temperature is low and the soaking time is long, the vehicle temperature is substantially consistent with the ambient temperature, after the vehicle is started, in order to heat the battery pack 1 more quickly, according to the target temperature for heating the battery pack, the heating device 3 is controlled to output higher power, then the power of the heating device 3 is adjusted according to the control method of the related art, and at this time, the power output fluctuation of the heating device 3 is large. Not only is the battery pack heating target temperature considered in the application, but also the influence of the ambient temperature of the vehicle and the real-time temperature of the cooling liquid inlet of the battery pack 1 is considered, a proper first target temperature can be output, the heating device 3 is controlled to output accurate power when the first time of control is carried out, so that the heating device 3 can heat the battery pack 1 more accurately and efficiently, the heating target temperature can be reached as soon as possible, the target temperature is stable, unnecessary energy consumption of an air conditioning system is avoided, and the purpose of energy conservation is achieved.
As shown in fig. 11, embodiment 2 of the control method of the air conditioning system according to the present application includes the air conditioning systems shown in embodiments 5 to 7, in which the controller 7 executes the control method of the air conditioning system and controls the operation of the heating device 3.
According to an embodiment of the present application, the control method of the air conditioning system includes:
s1, judging whether a heating demand exists or not, if not, closing the heating device 3, otherwise, determining a first target temperature and a second target temperature;
s2, selecting a heating target temperature interval according to the heating target temperature;
selecting an environment temperature interval according to the environment temperature;
selecting a heating device outlet cooling liquid temperature interval according to the heating device outlet cooling liquid temperature;
outputting the second target temperature to the controller 7;
s3, selecting a battery pack heating target temperature interval according to the battery pack heating target temperature;
selecting a battery pack cooling liquid inlet temperature interval according to the battery pack cooling liquid inlet temperature;
selecting an environment temperature interval according to the environment temperature;
outputting the first target temperature to the controller 7;
s4, the controller 7 controls the operation of the heating device 3 according to the larger value of the first target temperature and the second target temperature.
According to an embodiment of the present application, the control method of the air conditioning system includes:
s1, judging whether a heating demand exists or not, if not, closing the heating device 3, otherwise, determining a first target temperature and a second target temperature;
s2, selecting a heating target temperature interval according to the heating target temperature;
selecting an environment temperature interval according to the environment temperature;
comparing the heating target temperature with the ambient temperature plus the corrected value;
according to the relation between the heating target temperature and the environmental temperature plus the correction value, the heating device 3 is closed or a second target temperature is output to the controller 7;
s3, selecting a battery pack heating target temperature interval according to the battery pack heating target temperature;
selecting a battery pack cooling liquid inlet temperature interval according to the battery pack cooling liquid inlet temperature;
selecting an environment temperature interval according to the environment temperature;
outputting the first target temperature to the controller 7;
s4, the controller 7 controls the operation of the heating device 3 according to the larger value of the first target temperature and the second target temperature.
According to an embodiment of the present application, the control method of the air conditioning system includes:
s1, judging whether a heating demand exists or not, if not, closing the heating device 3, otherwise, determining a first target temperature and a second target temperature;
s2, selecting a heating target temperature interval according to the heating target temperature;
selecting an environment temperature interval according to the environment temperature;
comparing the heating target temperature with the ambient temperature plus the corrected value;
selecting a heating device outlet cooling liquid temperature interval according to the heating device outlet cooling liquid temperature;
according to the relation between the heating target temperature and the environmental temperature plus the correction value, the heating device 3 is closed or a second target temperature is output to the controller 7;
s3, selecting a battery pack heating target temperature interval according to the battery pack heating target temperature;
selecting a battery pack cooling liquid inlet temperature interval according to the battery pack cooling liquid inlet temperature;
selecting an environment temperature interval according to the environment temperature;
outputting the first target temperature to the controller 7;
s4, the controller 7 controls the operation of the heating device 3 according to the larger value of the first target temperature and the second target temperature.
According to an embodiment of the application, the second target temperature is a system set value or a sum of a heating target temperature and a correction value. The first target temperature is the system set point. The correction values are preset values, and the number of the correction values is multiple. It should be understood that the system setting value and the modification value are fixed values pre-stored in the controller 7, and the system setting value and the modification value may be equal or unequal, and are set according to specific use requirements.
According to an embodiment of the present application, in the control method of the air conditioning system, the result of comparing the heating target temperature with the ambient temperature plus the correction value in the system according to the usage requirement may be set as follows: when the heating target temperature is higher than the ambient temperature and is added with the correction value, outputting a first target temperature to the controller 7; when the heating target temperature is not greater than the ambient temperature plus the correction value, the heating device 3 is turned off.
It should be understood that the purpose of determining whether the heating target temperature is greater than the ambient temperature plus a correction value is to determine whether the heating target temperature required by the cabin 2 is less than the ambient temperature plus a correction value or whether the heating target temperature is equal to the ambient temperature plus a correction value, because the correction value preset by the system is generally small, which indicates that the difference between the heating target temperature and the current ambient temperature is not large or that the heating target temperature is lower than the current ambient temperature, at this time, it is not necessary to use the heating device 3 to heat the coolant in the coolant passage 9, and at this time, the heating device 3 is turned off, and the ambient temperature is fully utilized, so that the purpose of saving energy and improving the cruising ability of the vehicle can be achieved.
When the control method of the air conditioning system is actually operated, a heating target temperature interval is selected according to the heating target temperature, an environment temperature interval is selected according to the environment temperature, a heating device outlet cooling liquid temperature interval is selected according to the heating device outlet cooling liquid temperature, and the heating target temperature and the environment temperature are compared with the addition of the corrected value, so that the sequence of the four operations in the controller 7 can be arbitrarily exchanged, and the output of the result of the second target temperature is not influenced.
It should be understood that, when the control method of the air conditioning system is actually operated, a heating target temperature interval may be selected according to a heating target temperature, then an ambient temperature interval may be selected according to an ambient temperature, then a heating device outlet coolant temperature interval may be selected according to a heating device outlet coolant temperature, and then the heating target temperature and the ambient temperature plus the correction value may be compared; or the heating target temperature and the environmental temperature are compared firstly, the corrected value is added, then a heating target temperature interval is selected according to the heating target temperature, then a heating device outlet cooling liquid temperature interval is selected according to the heating device outlet cooling liquid temperature, and then an environmental temperature interval is selected according to the environmental temperature.
When the control method of the air conditioning system is in actual operation, a battery pack heating target temperature interval is selected according to the battery pack heating target temperature, a battery pack cooling liquid inlet temperature interval is selected according to the battery pack cooling liquid inlet temperature, an environment temperature interval is selected according to the environment temperature, and the battery pack cooling liquid inlet temperature and the battery pack heating target temperature are compared, wherein the sequence of the four operations in the controller 7 can be arbitrarily exchanged, and the output of the result of the first target temperature is not influenced.
The understanding that the order in which the four operations that control the first target temperature output are run in the controller 7 is not limited herein should be the same as the understanding that the order in which the four operations that control the second target temperature output are run in the controller 7 is not limited.
When the control method of the air conditioning system is actually operated, the sequence of outputting the first target temperature, outputting the second target temperature and comparing the first target temperature and the second target temperature can be arbitrarily exchanged, and the control of the controller 7 on the operation of the heating device 3 is not influenced.
When the air conditioning system operates, the controller 7 receives a heating request of the cabin 2 and the battery pack 1, the controller 7 determines a second target temperature according to a heating target temperature, an ambient temperature and a temperature of cooling liquid at an outlet of the heating device or according to the heating target temperature and the ambient temperature, determines a first target temperature according to the heating target temperature of the battery pack, the ambient temperature and the temperature of cooling liquid at the inlet of the battery pack, and the controller 7 controls the operation of the heating device 3 according to the larger value of the first target temperature and the second target temperature.
According to an embodiment of the present application, the controller 7 adjusts the power of the heating device 3 after receiving the larger value of the first target temperature and the second target temperature, so that the heating device 3 heats the coolant in the coolant passage 9, the heated coolant flows to the first coolant passage and the second coolant passage through the distribution of the first interface 11, the second interface 12 and the third interface 13, respectively, the first heat exchanger 81 disposed in the first coolant passage exchanges heat with the cabin 2, thereby heating the cabin 2, and the coolant in the second coolant passage exchanges heat with the battery pack 1, thereby heating the battery pack 1.
According to an embodiment of the present application, the controller 7 adjusts the power of the heating device 3 after receiving the larger value of the first target temperature and the second target temperature, so that the heating device 3 heats the coolant in the coolant passage 9, the heated coolant flows to the first coolant passage and the second coolant passage through the distribution of the first interface 11, the second interface 12 and the third interface 13, respectively, the second heat exchanger 82 disposed in the first coolant passage exchanges heat with the cabin 2, so as to realize heating of the cabin 2, the coolant in the second coolant passage is heated by the first heat exchanger 81, and the coolant in the second coolant passage exchanges heat with the battery pack 1, so as to realize heating of the battery pack 1.
The controller 7 determines a second target temperature according to the heating target temperature and the ambient temperature or according to the heating target temperature, the ambient temperature, and the temperature of the outlet coolant of the heating device, and determines a first target temperature according to the heating target temperature of the battery pack, the ambient temperature, and the temperature of the inlet coolant of the battery pack. Specifically, the influence of the heating target temperature and the heating target temperature of the battery pack 1 is considered, the environment temperature of the vehicle is considered, the influence of the real-time temperature of the cooling liquid at the outlet of the heating device 3 and the real-time temperature of the cooling liquid at the inlet of the battery pack 1 is considered, the influence of the environment factor and the real-time temperature of the cooling liquid on the heating effect is considered comprehensively, the first target temperature and the second target temperature which are suitable can be output under the complex conditions that the cooling liquid is close to the lower environment temperature or the cooling liquid temperature is higher, the accurate power output by the heating device 3 is controlled, so that the heating device 3 can heat the cabin body 2 more accurately and efficiently, the unnecessary energy consumption of an air conditioning system is avoided, and the purpose of energy conservation is achieved.
According to embodiment 3 of the control method of the air conditioning system of the present application, as shown in fig. 12, the control method of the air conditioning system includes:
s1, judging whether a heating demand exists or not, if not, closing the heating device 3, otherwise, entering the next step;
s2, acquiring a heating target temperature, selecting one of a plurality of heating target intervals A1, A2 and a....... An preset by a system according to the heating target temperature, and entering the next step;
s3, acquiring the ambient temperature, selecting one of a plurality of ambient temperature intervals B1, B2 and B n preset by the system according to the ambient temperature, and entering the next step;
s4, judging whether the heating target temperature is greater than the ambient temperature plus a correction value, if the heating target temperature is not greater than the ambient temperature plus the correction value, closing the heating device 3, otherwise, entering the next step;
s5, obtaining a temperature of the outlet coolant of the heating device, selecting one of a plurality of temperature intervals C1, C2, and a second target temperature to the controller 7 according to the temperature of the outlet coolant of the heating device, wherein the temperature intervals are preset by the system;
s6, acquiring a battery pack heating target temperature, selecting one of a plurality of battery pack heating target temperature intervals D1 and D2 preset by a system according to the battery pack heating target temperature, and entering the next step;
s7, acquiring the ambient temperature again, selecting one of a plurality of ambient temperature intervals E1, E2 and an environmental temperature range preset by the system according to the ambient temperature, and entering the next step;
s8, acquiring the inlet temperature of the battery pack cooling liquid, selecting one of a plurality of battery pack cooling liquid inlet temperature intervals F1, F2 and F, according to the inlet temperature of the battery pack cooling liquid, and outputting a first target temperature to the controller 7;
s9, the controller 7 adjusts the power of the heating device 3 according to the larger of the first target temperature and the second target temperature.
It should be understood here that, according to the greater of the first target temperature and the second target temperature, the controller 7 adjusts the power of the heating device 3 for the purpose of satisfying the heating requirements of the cabin 2 and the battery pack 1 at the same time.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.
Claims (10)
1. An air conditioning system, includes the battery package, its characterized in that, air conditioning system still includes:
a heating device for heating the coolant in the coolant passage for heat exchange with the battery pack;
an ambient temperature sensor for detecting an ambient temperature;
the battery pack temperature sensor is arranged at the position, close to a heat supply inlet of the battery pack, of the cooling liquid passage and is used for detecting the temperature of the cooling liquid inlet of the battery pack; and
the heating device, the ambient temperature sensor, battery package temperature sensor all with the controller electricity is connected, the controller is right heating device's work is controlled.
2. The air conditioning system of claim 1, further comprising a first valve disposed between the heating device and the battery pack, the first valve being electrically connected to the controller.
3. The air conditioning system of any of claims 1 or 2, further comprising a first heat exchanger disposed in the coolant passage, the first heat exchanger being in heat exchange with the battery pack.
4. The air conditioning system of claim 1, further comprising:
a tank, wherein the cooling liquid in the cooling liquid passage exchanges heat with the tank;
the heating device temperature sensor is arranged at the position of a heat supply outlet of the heating device and used for detecting the temperature of cooling liquid at the outlet of the heating device; and
the heating device, the ambient temperature sensor, the heating device temperature sensor and the battery pack temperature sensor are all electrically connected with the controller, and the controller controls the work of the heating device.
5. The air conditioning system as claimed in claim 4, wherein the air conditioning system further comprises a first interface, a second interface and a third interface, one end of each of the second interface and the third interface is capable of being communicated with one end of the first interface, the other end of the first interface is communicated with one end of the cooling liquid passage close to the heat supply outlet of the heating device, one end of the second interface far away from the first interface is used for supplying heat to the cabin, and one end of the third interface far away from the first interface is used for supplying heat to the battery pack.
6. The air conditioning system as claimed in claim 4, further comprising:
a first heat exchanger disposed in the coolant path, the first heat exchanger exchanging heat with the battery pack, and/or
And the second heat exchanger is arranged in the cooling liquid passage and exchanges heat with the cabin body.
7. A control method of an air conditioning system is characterized in that the air conditioning system comprises a battery pack, a heating device, a controller, a cooling liquid passage, an ambient temperature sensor and a battery pack temperature sensor, wherein the heating device is used for heating cooling liquid in the cooling liquid passage, the cooling liquid in the cooling liquid passage is used for carrying out heat exchange with the battery pack, the ambient temperature sensor is used for detecting ambient temperature, the battery pack temperature sensor is used for detecting the temperature of a cooling liquid inlet of the battery pack, and the controller executes the control method of the air conditioning system and controls the operation of the heating device;
the control method of the air conditioning system comprises the following steps:
s1, judging whether a heating demand exists or not, if not, closing the heating device, otherwise, determining a first target temperature;
s2, selecting a battery pack heating target temperature interval according to the battery pack heating target temperature, selecting a battery pack cooling liquid inlet temperature interval according to the battery pack cooling liquid inlet temperature, selecting an environment temperature interval according to the environment temperature, and outputting a first target temperature to the controller according to the comparison between the battery pack cooling liquid inlet temperature and the battery pack heating target temperature;
and S3, controlling the operation of the heating device by the controller according to the first target temperature.
8. The control method of an air conditioning system according to claim 7, wherein the first target temperature is a system set value, and the system set value is plural.
9. A control method of an air conditioning system is characterized in that the air conditioning system comprises a cabin, a battery pack, a heating device, a controller, a cooling liquid passage, an ambient temperature sensor, a heating device temperature sensor and a battery pack temperature sensor, wherein the heating device is used for heating cooling liquid in the cooling liquid passage, the cooling liquid in the cooling liquid passage is used for carrying out heat exchange with the cabin and the battery pack, the ambient temperature sensor is used for detecting ambient temperature, the heating device temperature sensor is used for detecting the temperature of outlet cooling liquid of the heating device, and the controller executes a control method of the air conditioning system and controls the operation of the heating device;
the control method of the air conditioning system comprises the following steps:
s1, judging whether a heating demand exists or not, if not, closing the heating device, otherwise, determining a first target temperature and a second target temperature;
s2, selecting a heating target temperature interval according to the heating target temperature, selecting an environment temperature interval according to the environment temperature, selecting a heating device outlet cooling liquid temperature interval according to the heating device outlet cooling liquid temperature, and/or comparing the heating target temperature with the environment temperature and adding the correction value;
if the non-heating target temperature is larger than the comparison between the ambient temperature and the correction value, outputting a second target temperature to the controller;
if the heating target temperature is larger than the comparison between the ambient temperature and the correction value, closing the heating device or outputting a second target temperature to the controller according to the magnitude relation between the heating target temperature and the ambient temperature plus the correction value;
s3, selecting a battery pack heating target temperature interval according to the battery pack heating target temperature, selecting a battery pack cooling liquid inlet temperature interval according to the battery pack cooling liquid inlet temperature, selecting an environment temperature interval according to the environment temperature, and outputting a first target temperature to the controller according to the comparison between the battery pack cooling liquid inlet temperature and the battery pack heating target temperature;
and S4, controlling the operation of the heating device by the controller according to the larger value of the first target temperature and the second target temperature.
10. The control method of an air conditioning system according to claim 9, wherein the first target temperature is a system set value; the second target temperature is a system set value or the sum of a heating target temperature and a correction value; the correction values are preset values, and the number of the correction values is multiple; the turning off the heating device or outputting a second target temperature to the controller according to the relationship between the heating target temperature and the ambient temperature plus the correction value includes: if the heating target temperature is greater than the ambient temperature plus the correction value, outputting a second target temperature to the controller; and if the heating target temperature is not greater than the ambient temperature plus the correction value, closing the heating device.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022052762A1 (en) * | 2020-09-14 | 2022-03-17 | 恒大新能源汽车投资控股集团有限公司 | Battery pack heating control method and apparatus, and electronic device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101682058A (en) * | 2007-05-29 | 2010-03-24 | 丰田自动车株式会社 | Fuel cell system |
| CN103872354A (en) * | 2012-12-14 | 2014-06-18 | 现代自动车株式会社 | Apparatus and method for controlling coolant temperature of fuel cell system |
| CN103963598A (en) * | 2013-01-31 | 2014-08-06 | 杭州三花研究院有限公司 | Automatic automobile air conditioner control method |
| CN105633498A (en) * | 2016-03-15 | 2016-06-01 | 北京小米移动软件有限公司 | Battery temperature detection method and device |
| CN206301916U (en) * | 2016-11-25 | 2017-07-04 | 比亚迪股份有限公司 | Battery heating system and vehicle |
| CN107394308A (en) * | 2017-07-17 | 2017-11-24 | 广州汽车集团股份有限公司 | The system and method for vehicle battery charging cooling |
| DE202018100173U1 (en) * | 2018-01-12 | 2018-01-26 | Bgt Materials Limited | High performance battery module or high power capacitor module |
| CN207705315U (en) * | 2018-01-17 | 2018-08-07 | 中国重汽集团济南动力有限公司 | A kind of commercial car fuel cell heat management system |
| CN108417928A (en) * | 2017-02-09 | 2018-08-17 | 福特全球技术公司 | Method during quick charge for heating cabin while cooling battery |
| CN108428916A (en) * | 2018-03-02 | 2018-08-21 | 北京亿华通科技股份有限公司 | Fuel battery temperature control method and device |
| CN207825878U (en) * | 2018-01-19 | 2018-09-07 | 北京车和家信息技术有限公司 | Battery thermal management system and vehicle |
| CN208142314U (en) * | 2018-05-25 | 2018-11-23 | 北京车和家信息技术有限公司 | battery thermal management system and vehicle |
-
2019
- 2019-10-16 CN CN201910985484.2A patent/CN111380168B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101682058A (en) * | 2007-05-29 | 2010-03-24 | 丰田自动车株式会社 | Fuel cell system |
| CN103872354A (en) * | 2012-12-14 | 2014-06-18 | 现代自动车株式会社 | Apparatus and method for controlling coolant temperature of fuel cell system |
| CN103963598A (en) * | 2013-01-31 | 2014-08-06 | 杭州三花研究院有限公司 | Automatic automobile air conditioner control method |
| CN105633498A (en) * | 2016-03-15 | 2016-06-01 | 北京小米移动软件有限公司 | Battery temperature detection method and device |
| CN206301916U (en) * | 2016-11-25 | 2017-07-04 | 比亚迪股份有限公司 | Battery heating system and vehicle |
| CN108417928A (en) * | 2017-02-09 | 2018-08-17 | 福特全球技术公司 | Method during quick charge for heating cabin while cooling battery |
| CN107394308A (en) * | 2017-07-17 | 2017-11-24 | 广州汽车集团股份有限公司 | The system and method for vehicle battery charging cooling |
| DE202018100173U1 (en) * | 2018-01-12 | 2018-01-26 | Bgt Materials Limited | High performance battery module or high power capacitor module |
| CN207705315U (en) * | 2018-01-17 | 2018-08-07 | 中国重汽集团济南动力有限公司 | A kind of commercial car fuel cell heat management system |
| CN207825878U (en) * | 2018-01-19 | 2018-09-07 | 北京车和家信息技术有限公司 | Battery thermal management system and vehicle |
| CN108428916A (en) * | 2018-03-02 | 2018-08-21 | 北京亿华通科技股份有限公司 | Fuel battery temperature control method and device |
| CN208142314U (en) * | 2018-05-25 | 2018-11-23 | 北京车和家信息技术有限公司 | battery thermal management system and vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022052762A1 (en) * | 2020-09-14 | 2022-03-17 | 恒大新能源汽车投资控股集团有限公司 | Battery pack heating control method and apparatus, and electronic device |
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|---|---|
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