WO2021261730A1 - Dispositif d'alimentation en chauffage et son procédé de commande - Google Patents

Dispositif d'alimentation en chauffage et son procédé de commande Download PDF

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Publication number
WO2021261730A1
WO2021261730A1 PCT/KR2021/004810 KR2021004810W WO2021261730A1 WO 2021261730 A1 WO2021261730 A1 WO 2021261730A1 KR 2021004810 W KR2021004810 W KR 2021004810W WO 2021261730 A1 WO2021261730 A1 WO 2021261730A1
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WO
WIPO (PCT)
Prior art keywords
flow rate
heating water
heating
control valve
passage
Prior art date
Application number
PCT/KR2021/004810
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English (en)
Korean (ko)
Inventor
박수대
안희수
김준연
Original Assignee
주식회사 경동나비엔
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020200178647A external-priority patent/KR20220000794A/ko
Application filed by 주식회사 경동나비엔 filed Critical 주식회사 경동나비엔
Publication of WO2021261730A1 publication Critical patent/WO2021261730A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply

Definitions

  • the present invention relates to a heating supply device and a method for controlling the same.
  • a water heater is a device that heats water so that it can be drained or used for heating.
  • a water heater generally achieves its intended purpose by injecting fuel and burning it, and then transferring heat generated therefrom to water.
  • each household is equipped with a water heater and a common heating facility is installed for the entire complex rather than individual heating and individual hot water supply.
  • the method of supplying the heating medium is often used.
  • a heating medium is used to heat a room or living room that requires heating, and a regional and central heating system is being built so that hot water can be used by heat exchange between the heating medium and direct water.
  • hot water can be produced by receiving a heating medium produced in a heat production facility from a hot water supply heat exchanger, and heating and heating can be performed by providing the same heating medium as a heating flow path.
  • a valve for controlling heating is opened to a preset opening degree to provide a heating medium to a heating demanding place at a predetermined flow rate.
  • the flow rate actually provided is not taken into account, so even if a change in the preset opening degree and the corresponding flow rate occurs due to a problem such as capstone formation, it is difficult to properly reflect the change.
  • the present invention has been devised to solve such problems, and an object of the present invention is to provide a heating supply device and a control method thereof, which are controlled so that heating water of a desired flow rate can be provided.
  • a heating supply apparatus provides a heating water supply passage provided to provide heating water heated by a heat source to a heating passage for providing heating, and the heating water recovered from the heating passage is heated again.
  • a heating water passage including a heating water return passage provided to return the heating water to the heat source so as to be possible; a heating water flow rate control valve disposed in the heating water passage and having an opening degree adjusted to control the flow rate of heating water passing through the heating water passage; a flow rate acquisition unit provided in the heating water passage to obtain a flow rate of heating water passing through the heating water passage; and a processor electrically connected to the flow rate acquisition unit and the heating water flow control valve, wherein the processor: controls the opening degree of the heating water flow control valve based on the flow rate acquired by the flow rate acquisition unit.
  • a heating water flow path for circulating heating water between a heating flow path for providing heating and a heat source for heating the heating water, and a heating water flow rate control valve provided to control the flow rate of the heating water
  • the control method of the heating supply device including a flow rate acquisition unit provided to obtain the flow rate of heating water, the heating water of a preset flow rate to flow along the heating water passage, the heating in an opening degree corresponding to the preset flow rate Step of opening the water flow control valve; obtaining a flow rate of heating water flowing along the heating water passage using the flow rate obtaining unit; checking whether the flow rate obtained by the flow rate acquisition unit is the same as the preset flow rate; and changing the opening degree of the heating water flow control valve when the flow rate obtained by the flow rate acquisition unit is different from the preset flow rate.
  • the heating supply device may be controlled to provide heating water of a desired flow rate.
  • FIG. 1 is a conceptual diagram of a heating supply device according to an embodiment of the present invention.
  • FIG. 2 is a flowchart of a method for controlling a heating supply device according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of a control method used when a heating supply device according to an embodiment of the present invention is connected to a plurality of drivers.
  • FIG. 1 is a conceptual diagram of a heating supply device 1 according to an embodiment of the present invention.
  • the heating supply device 1 includes a heating water passage 10 , a heating water flow rate control valve 41 , a flow rate obtaining unit 51 , and a processor do.
  • the heating water passage 10 is a passage for circulation of heating water.
  • a component referred to as a flow path in this specification may be configured as a hollow pipe to allow a fluid to flow, but may also be configured by a physical structure other than a pipe. Heating water may flow through the heating water passage 10 .
  • the heating water passage 10 may include a heating water supply passage 11 and a heating water return passage 12 .
  • the heating water supply passage 11 may provide heating water to the heating passage.
  • the heating flow path is a flow path for providing heating, and may be disposed at a location where heating is to be provided.
  • the heating water supply passage 11 may provide heating water heated by a heat source to the heating passage. That is, the heating water supply flow path 11 may connect the heat source and the heating flow path.
  • the heating water supply passage 11 includes a first heating water supply passage 111 through which heated heating water from a heat source flows, and a first heating water supply passage 111 and a heating passage to provide heated water to the heating passage. It may include a second heating water supply passage 112 connected to the.
  • a heat source temperature obtaining unit for obtaining the temperature of the heating water provided from the heat source may be disposed in the first heating water supply passage 111 .
  • the heating water return passage 12 may return the heating water to a heat source so that the heating water recovered from the heating passage is heated again. That is, the heating water return flow path 12 may connect the heating flow path and the heat source.
  • the heating water return passage 12 may include a first heating water return passage 121 and a second heating water return passage 122 that are connected to each other.
  • the first heating water return flow path 121 may be connected to the heating flow path, and the heating water discharged from the heating flow path may flow.
  • the second heating water return flow path 122 may be connected to a heat source to exchange the heating water into the heat source.
  • a return temperature acquisition unit for acquiring the temperature of the returned heating water may be disposed in the second heating water return flow path 122 .
  • the second heating water return flow path 122 may pass through the first heat exchanger 31 to transfer heat to the direct water. Therefore, the heating water cooled by transferring heat to the direct water can be returned to the heat source through the heating water return flow passage 12 .
  • the heating water passage 10 may further include a heating water intermediate passage 13 .
  • the heating water return flow path 12 and the heating water supply flow path 11 may be connected through the heating water intermediate flow path 13 .
  • the heating water flowing in the heating water supply passage 11 may be transferred to the heating water return passage 12 .
  • the first heating water supply passage 111 and the second heating water supply passage 112 may be divided based on the portion to which the heating water intermediate passage 13 is connected, and the first heating water return passage 121 and the second heating water return passage 121 Two heating water exchange passages 122 may be divided.
  • the heating water intermediate flow path 13 may pass through the second heat exchanger 32 .
  • the intermediate heating water flow path 13 transfers heat from the second heat exchanger 32 to the direct water to be heated to become hot water. At the same time, the heating water flowing in the heating water intermediate flow path 13 may be cooled.
  • a hot water supply control valve 42 that is controlled to be opened and closed by a processor may be disposed in the heating water intermediate flow path 13 . Only when it is necessary to generate hot water, the hot water supply control valve 42 is opened by the processor to allow the heating water to flow through the heating water intermediate flow path 13 . The heating water flowing through the heating water intermediate flow path 13 may pass through the second heat exchanger 32 to generate hot water. When only heating is required, the hot water supply control valve 42 may maintain a closed state.
  • the temperature obtained by the heat source temperature acquisition unit and the return temperature acquisition unit is transmitted to the processor in the form of an electrical signal, and the processor may perform predetermined control based on this.
  • the flow rate acquisition unit 51 is provided to obtain a flow rate of heating water passing through the heating water passage 10 , and may be disposed in the heating water passage 10 .
  • the flow rate acquisition unit 51 may be disposed in the heating water return flow path 12 .
  • the flow rate obtaining unit 51 is shown to be disposed in the second heating water return water passage 122 in the drawing, the flow rate obtaining unit 51 may be disposed at another location as long as it can obtain the flow rate of the heating water. , it may be disposed in any one of the first heating water return flow path 121 and the heating water supply flow path 11 .
  • the flow rate acquisition unit 51 may be electrically connected to the processor and transmit the acquired flow rate to the processor in the form of an electrical signal.
  • the flow rate acquisition unit 51 may be an orifice flow meter, an ultrasonic flow meter, a vortex flow meter, or the like, but as long as it is a device capable of acquiring the flow rate of water, the type is not limited thereto.
  • the heating supply device 1 may further include heat exchangers 31 and 32 .
  • the heat exchangers 31 and 32 are devices that allow heat exchange to occur without mixing with each other while passing through different heat mediums.
  • a first heat exchanger 31 and a second heat exchanger 32 may be disposed as the heat exchangers 31 and 32 .
  • the first heat exchanger 31 and the second heat exchanger 32 may be one of a fin-tube type heat exchanger, a plate type heat exchanger, and a coaxial heat exchanger, but the type is not limited thereto.
  • the direct water is heated through the heat exchangers 31 and 32 to become hot water.
  • heating water may pass through each of the heat exchangers 31 and 32 .
  • the direct water introduced from the outside and the heating water returned from the heating passage exchange heat exchange, and in the second heat exchanger 32, the direct water discharged from the first heat exchanger 31 and the heating water intermediate passage 13 ) through which the heating water can exchange heat. Accordingly, the direct water may be heated by the heating water through the first heat exchanger 31 and the second heat exchanger 32 in turn to become hot water.
  • the heating supply device 1 may further include a hot water flow path 20 .
  • Direct water flows in through the hot water flow path 20, is heated through the heat exchangers 31 and 32, and becomes hot water and can be discharged to a consumer.
  • the hot water flow path 20 may include a hot water inlet flow path 21 , a hot water intermediate flow path 22 , and a hot water discharge flow path 23 connected in order.
  • the hot water inflow path 21 is a flow path for receiving direct water from the outside and providing it to the first heat exchanger 31 .
  • a direct water temperature obtaining unit for obtaining the temperature of direct water may be disposed in the hot water inflow passage 21 .
  • the hot water intermediate flow path 22 is a flow path connecting the first heat exchanger 31 and the second heat exchanger 32 to provide direct water heated in the first heat exchanger 31 to the second heat exchanger 32 .
  • An intermediate temperature obtaining unit for obtaining the temperature of the firstly heated direct water may be disposed in the hot water intermediate flow path 22 .
  • the hot water discharge flow path 23 is a flow path for discharging the heated hot water discharged from the second heat exchanger 32 to a demand destination.
  • the heating supply device 1 may further include a hot water flow rate obtaining unit 52 for obtaining a flow rate of hot water.
  • the hot water flow rate acquisition unit 52 may be disposed in the hot water flow path 20 .
  • the hot water flow rate acquisition unit 52 may be disposed in the hot water inflow passage 21 to obtain a flow rate of direct water flowing in to become hot water.
  • the hot water flow rate acquisition unit 52 may be electrically connected to the processor and transmit the acquired flow rate to the processor in the form of an electrical signal.
  • the hot water flow rate acquisition unit 52 may be an orifice flow meter, an ultrasonic flow meter, a vortex flow meter, or the like, but as long as it is a device capable of acquiring the flow rate of water, the type is not limited thereto.
  • a mixing passage 24 connecting the first hot water passage 20 and the third hot water passage 20 to each other may be further disposed.
  • a mixing valve 43 for controlling the opening and closing thereof may be disposed in the mixing passage 24 .
  • a hot water temperature obtaining unit for obtaining the temperature of the hot water may be disposed in the third hot water flow path 20 , and the mixing valve 43 and the hot water temperature obtaining unit may be electrically connected to the processor.
  • the temperature of the hot water obtained by the hot water temperature obtaining unit is transmitted to the processor in the form of an electrical signal, and the processor may control the opening degree of the mixing valve 43 so that the direct water is properly mixed with the hot water based on this.
  • the temperature obtained by the above-described intermediate temperature obtaining unit and the direct water temperature obtaining unit may also be transmitted to the processor and used for control.
  • the processor of the heating supply device 1 may be connected to a driver that receives an input of whether to provide heating for the heating flow path from a user.
  • the driver may be electrically connected to the processor and transmit whether the received heating is provided in the form of an electrical signal to the processor.
  • a plurality of actuators may be configured to be disposed in each room in which a plurality of heating passages are respectively disposed.
  • a actuator disposed in each room may correspond to a heating flow path disposed in the room.
  • a driver disposed in each room may receive an input of whether to provide heating for each room and transmit it to the processor.
  • the driver may include a button, a display, etc. to receive an input of whether to provide heating from the user.
  • the heating water flow rate control valve 41 is a valve provided to control the flow rate of the heating water passing through the heating water flow path 10 . Accordingly, the heating water flow rate control valve 41 is disposed in the heating water flow passage 10, and as the opening degree is adjusted, the degree of closing the heating water flow passage 10 may be changed to adjust the heating water flow rate.
  • the opening degree of the heating water flow rate control valve 41 may be changed linearly, and it may be provided to enable multi-stage opening degree control.
  • the heating water flow control valve 41 may be electrically connected to the processor, and its opening degree may be controlled by an electrical signal transmitted from the processor.
  • the heating water flow rate control valve 41 may be disposed in the first heating water return flow path 121 as shown. However, the heating water flow control valve 41 may be disposed in the second heating water return flow passage 122 or the heating water supply passage 11 .
  • the processor is a component including an element capable of performing a logical operation for performing a control command, and may include a central processing unit (CPU) or the like.
  • the processor may be connected to various components to transmit a signal according to a control command to each component to perform control, and may be connected to various sensors or acquisition units to receive information obtained in the form of a signal.
  • the processor may be electrically connected to various components such as the flow rate acquisition unit 51 and the heating water flow rate control valve 41 included in the heating supply device 1 . Since the processor may be electrically connected to each of the components, it may be connected with a wire or may further have a communication module capable of communicating wirelessly to communicate with each other.
  • the heating supply device 1 may further include a storage medium, so that control commands performed by the processor are stored in the storage medium and utilized.
  • the storage medium may be a device such as a hard disk drive (HDD), a solid state drive (SSD), a server, a volatile medium, a non-volatile medium, and the like, but the type is not limited thereto.
  • the storage medium may further store data necessary for the processor to perform a task.
  • FIG. 2 is a flowchart of a control method of the heating supply device 1 according to an embodiment of the present invention.
  • the processor may determine whether a heating signal is input (S11).
  • the processor may control the heating water flow rate control valve 41 to be opened to a preset opening degree when the heating input received through the driver is required for heating. That is, the step of opening the heating water flow rate control valve 41 to an opening corresponding to the preset flow rate so that the heating water of a preset flow rate flows along the heating water flow path 10 may be performed (S13)
  • the processor may control the heating water flow rate control valve 41 to be closed when the received heating is not required (S12). That is, only when heating is required, heating water can be circulated so that heating can be achieved.
  • the processor may control the heating water flow rate control valve 41 based on the flow rate acquired by the flow rate acquisition unit 51 to adjust the opening degree of the heating water flow rate control valve 41 .
  • the processor may adjust the opening degree of the heating water flow rate control valve 41 so that the obtained flow rate is equal to the desired flow rate.
  • the processor may include a table in the form of a mapping table in which the opening degree of the heating water flow control valve 41 and the heating water flow rate of the heating water flow path 10 are matched.
  • a table may be stored in a storage medium.
  • the heating water flow rate that can flow along the heating water flow path 10 of the heating supply device 1 of the present invention in a predetermined environment and the opening degree of the heating water flow rate control valve 41 corresponding thereto are paired and recorded. may have been That is, when the heating water flow rate control valve 41 is opened at a predetermined opening degree described in the table in the same environment, the obtained flow rate may be the same as the flow rate corresponding to the opening degree in the table.
  • the heating water flow control valve 41 may be opened to a preset opening degree.
  • the flow rate acquisition unit 51 may acquire the flow rate of the heating water actually flowing through the heating water passage 10 (S14).
  • the processor may compare the heating water flow rate corresponding to the opening degree of the heating water flow rate control valve 41 preset in the table with the flow rate currently acquired by the flow rate acquiring unit 51 (S15). When the flow rate obtained as a result of the comparison is greater than the corresponding heating water flow rate, the processor may control the heating water flow rate control valve 41 to decrease the opening degree. Conversely, when the obtained flow rate is smaller than the corresponding heating water flow rate, the processor may control the heating water flow rate control valve 41 to increase the opening degree.
  • the processor adjusts the opening degree of the heating water flow control valve 41 so that the flow rate obtained after the change and the flow rate corresponding to the preset opening degree match
  • the control can be performed so as to do so (S16).
  • the processor may compare the heating water flow rate corresponding to the preset opening degree with the flow rate further acquired by the flow rate acquiring unit 51 and repeat the same process. That is, the processor controls the heating water flow control valve 41 to decrease the opening degree when the obtained flow rate is greater than the corresponding heating water flow rate, and when the further obtained flow rate is smaller than the corresponding heating water flow rate, the heating water flow rate increases to increase the opening degree. It is possible to control the flow rate control valve (41). This process may be repeated until the flow rate corresponding to the preset opening degree and the obtained flow rate are identical to each other.
  • the word coincident may mean that the two flow rates have exactly the same value, but may also mean that the difference between the two flow rates is within a predetermined range.
  • the flow rate of the heating use place in which the heating flow path receiving the heating water is disposed may be newly inputted through the driver and changed (S17).
  • the above-described preset flow rate may be changed to a newly input flow rate.
  • the above-described steps ( S14 , S15 , S16 ) in which the processor opens the heating water flow rate control valve 41 to an opening degree corresponding to the newly input flow rate and adjusts the flow rate may be performed.
  • FIG. 3 is a flowchart of a control method used when the heating supply device 1 according to an embodiment of the present invention is connected to a plurality of drivers.
  • a plurality of drivers and a plurality of heating passages may be connected to the heating supply device 1 according to an embodiment of the present invention.
  • the processor may check whether a heating signal is input to each driver (S21). If there is no actuator in which heating use is input, the heating water flow control valve 41 may be maintained in a closed state (S22).
  • the table included in the processor may further correspond to a flow rate of the heating water to be provided to the plurality of drivers and the plurality of heating passages.
  • the processor may use the table to calculate a total flow rate, which is a flow rate that is a sum of flow rates corresponding to drivers for which heating is required among a plurality of actuators (S23).
  • the processor may control the heating water flow rate control valve 41 to be opened by the opening degree corresponding to the total flow rate (S24).
  • the flow rate acquisition unit 51 may acquire the flow rate (S25).
  • the processor may compare the total flow rate with the flow rate currently acquired by the flow rate acquisition unit 51 (S26). If the flow rate obtained as a result of the comparison is greater than the total flow rate, the processor may control the heating water flow rate control valve 41 to decrease the opening degree. Conversely, when the obtained flow rate is smaller than the total flow rate, the processor may control the heating water flow rate control valve 41 to increase the opening degree. That is, when there is a difference between the actually obtained flow rate and the total flow rate, the processor may control the opening degree of the heating water flow control valve 41 to match the flow rate obtained after the change and the total flow rate (S27) ).
  • the processor may check whether there is a change in whether heating is provided to the plurality of drivers (S28). If there is a change, the total flow rate is calculated again (S23). That there is a change in whether or not heating is provided for a plurality of actuators means that at least one of the number and types of actuators for which heating is provided is changed.
  • the processor may control the heating water flow rate control valve 41 to be opened by the opening degree corresponding to the calculated total flow rate again (S24). Thereafter, a step of adjusting the opening degree of the heating water flow rate control valve 41 may be performed by acquiring the heating water flow rate (S25) and comparing it with the overall flow rate (S26) (S27).

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

La présente invention concerne un dispositif d'alimentation en chauffage comprenant : un passage d'eau de chauffage qui comprend un passage d'alimentation en eau de chauffage qui est prévu pour fournir de l'eau de chauffage chauffée par une source de chaleur à un passage de chauffage pour fournir un chauffage, et un passage de retour d'eau de chauffage qui est prévu pour renvoyer l'eau de chauffage à la source de chaleur pour permettre à l'eau de chauffage récupérée dans le passage de chauffage d'être chauffée à nouveau ; une vanne de régulation de débit d'eau de chauffage qui est disposée dans le passage d'eau de chauffage, et dont le degré d'ouverture est ajusté pour réguler le débit de l'eau de chauffage traversant le passage d'eau de chauffage ; une unité d'acquisition de débit qui est disposée dans le passage d'eau de chauffage pour obtenir un débit de l'eau de chauffage traversant le passage d'eau de chauffage ; et un processeur qui est électriquement connecté à l'unité d'acquisition de débit et à la vanne de régulation de débit d'eau de chauffage, le processeur ajustant le degré d'ouverture de la vanne de régulation de débit d'eau de chauffage sur la base du débit acquis par l'unité d'acquisition de débit.
PCT/KR2021/004810 2020-06-26 2021-04-16 Dispositif d'alimentation en chauffage et son procédé de commande WO2021261730A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2020-0078667 2020-06-26
KR20200078667 2020-06-26
KR10-2020-0178647 2020-12-18
KR1020200178647A KR20220000794A (ko) 2020-06-26 2020-12-18 난방 공급장치 및 그 제어방법

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115447349A (zh) * 2022-08-24 2022-12-09 浙江吉利控股集团有限公司 一种汽车热管理方法、***及车辆

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070011841A (ko) * 2005-07-21 2007-01-25 김동열 난방수 유량 제어 시스템 및 난방수 유량 제어 방법
KR20120003132A (ko) * 2010-07-02 2012-01-10 (주)이씨엘 개별난방 시스템 및 난방 제어방법
JP2015040650A (ja) * 2013-08-21 2015-03-02 ウオサブジャパン株式会社 流量自動調節システム
KR101800352B1 (ko) * 2016-07-19 2017-11-22 린나이코리아 주식회사 난방 환수열을 이용하는 급탕 난방 통합배관 시스템
EP3561394A2 (fr) * 2018-04-04 2019-10-30 Frederik Gooijer Système et procédé de chauffage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070011841A (ko) * 2005-07-21 2007-01-25 김동열 난방수 유량 제어 시스템 및 난방수 유량 제어 방법
KR20120003132A (ko) * 2010-07-02 2012-01-10 (주)이씨엘 개별난방 시스템 및 난방 제어방법
JP2015040650A (ja) * 2013-08-21 2015-03-02 ウオサブジャパン株式会社 流量自動調節システム
KR101800352B1 (ko) * 2016-07-19 2017-11-22 린나이코리아 주식회사 난방 환수열을 이용하는 급탕 난방 통합배관 시스템
EP3561394A2 (fr) * 2018-04-04 2019-10-30 Frederik Gooijer Système et procédé de chauffage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115447349A (zh) * 2022-08-24 2022-12-09 浙江吉利控股集团有限公司 一种汽车热管理方法、***及车辆

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