CN110901340A - Energy-saving warm air system of electric automobile - Google Patents
Energy-saving warm air system of electric automobile Download PDFInfo
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- CN110901340A CN110901340A CN201911273312.9A CN201911273312A CN110901340A CN 110901340 A CN110901340 A CN 110901340A CN 201911273312 A CN201911273312 A CN 201911273312A CN 110901340 A CN110901340 A CN 110901340A
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- air
- automobile
- warm air
- ptc heater
- control device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00557—Details of ducts or cables
- B60H1/00564—Details of ducts or cables of air ducts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/14—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant, e.g. heat from the grease oil, the brakes, the transmission unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
- B60H1/2218—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters controlling the operation of electric heaters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an energy-saving warm air system of an electric automobile, which is characterized by comprising the following components: a blower; a warm air system control device; an in-vehicle temperature sensor; a PTC heater control device; a PTC heater; an internal and external circulation air door actuator; a mixing damper actuator; a waste heat air door actuator; waste heat input air duct; an internal circulation air duct; an external circulation air duct; the PTC heater is arranged in the automobile compartment, the air blower is connected with the automobile power system through the waste heat input air duct, and the air blower is started to supply air to the automobile power system. After the warm air system is started, the waste heat generated by the electric automobile power system is combined with the PTC heater to supply warm air to the inner space of the automobile compartment, so that the efficiency of the electric automobile warm air system is improved, the energy consumption is reduced, and the driving range of the electric automobile can be prolonged when the electric automobile is used in a low-temperature environment.
Description
Technical Field
The invention relates to the field of vehicle-mounted systems of electric automobiles, in particular to an energy-saving type warm air system of an electric automobile.
Background
For most conventional fuel-powered vehicles, the heat of the warm air system is directly sourced from the engine, while the heat generated by the power system of the electric vehicle under the working conditions of stopping or running at low speed is small and is not enough to directly provide the heat source required by the warm air system.
At present, the PTC heater is generally used by the electric automobile as a heating mode of a warm air system. When external circulation is started, air outside the vehicle is extracted, heated by the PTC heater and then input into the vehicle for heating, but the PTC heater is directly powered by the power battery pack, so that the energy consumption is high, and the driving range of the electric vehicle is greatly reduced after warm air is started in the actual use process. When the PTC heater is used in winter, heated air comes from the space outside the vehicle, and the temperature outside the vehicle is lower in winter, the PTC heater has the characteristics of lower environmental temperature and higher energy consumption, and the heating efficiency and the energy consumption by using low-temperature air are low. The vehicle-mounted warm air system is low in efficiency and high in energy consumption, and the energy utilization rate of the whole electric automobile is low.
Disclosure of Invention
The present invention is directed to solving at least one of the above problems.
Therefore, the invention aims to provide an energy-saving type warm air system of an electric automobile, which utilizes the waste heat generated by a power system of the electric automobile to combine with a PTC heater to supply warm air to the inner space of a compartment of the automobile, improves the efficiency of the warm air system of the electric automobile, reduces the energy consumption, and can prolong the driving range when the electric automobile is used in a low-temperature environment.
In order to achieve the above object, an embodiment of the present invention discloses an energy-saving warm air system for an electric vehicle, which is characterized by comprising: a blower; a warm air system control device; an in-vehicle temperature sensor; a PTC heater control device; a PTC heater; an internal and external circulation air door actuator; a mixing damper actuator; a waste heat air door actuator; waste heat input air duct; an internal circulation air duct; an external circulation air duct; the PTC heater is arranged in the automobile compartment, the air blower is connected with the automobile power system through the waste heat input air duct, and the air blower is started to supply air to the automobile power system.
The space of the automobile power system comprises but is not limited to a motor, a Motor Controller (MCU), a DCDC converter, a power battery pack, a radiator and the like.
The space where the PTC heater is located is respectively communicated with the inner space of the automobile compartment, the inner circulation air duct, the outer circulation air duct and the waste heat input air duct.
The air blower is arranged between the space where the PTC heater is located and the input air channel, and after the air blower is started, air in the internal circulation air channel, the external circulation air channel and the waste heat input air channel can enter the inner space of the automobile compartment through the space where the PTC heater is located.
The warm air system control device is connected with the PTC heater control device and receives the temperature information of the inner space of the automobile compartment obtained by monitoring from the temperature sensor in the automobile, and according to the manually set threshold value of the inner space temperature of the automobile compartment, the warm air system control device sends a starting or stopping signal to the PTC heater control device to control the power-on or power-off of the PTC heater.
The warm air system control device is connected with the air blower, and sends a starting or closing signal to the air blower by manually operating the warm air system starting and stopping switch.
The warm air system control device is connected with the internal and external circulation air door actuator, and the warm air system control device sends an air channel switching signal to the internal and external circulation air door actuator through manually operating the internal and external circulation switch of the warm air system to control the opening or closing of the air door of the internal circulation air channel and the air door of the external circulation air channel.
The warm air system control device is connected with the mixing air door actuator, and the warm air system control device sends a warm air and cold air switching signal to the mixing air door actuator through a manual operation warm air system start-stop switch to control warm air and cold air to be input into the inner space of the automobile compartment.
The warm air system control device is connected with the waste heat air door actuator, the warm air system start-stop switch is operated manually, the warm air system control device sends an air door opening or closing signal to the waste heat air door actuator, and the opening or closing of the air door of the waste heat input air channel is controlled.
The warm air system control device is connected with the whole warm air system and receives the temperature information of the inner space of the automobile compartment obtained by monitoring from the temperature sensor in the automobile, and the warm air system control device controls the whole warm air system to work according to the manually set threshold value of the inner space temperature of the automobile compartment.
The PTC heater heats air flowing through the space where the PTC heater is located, and the warm air is supplied to the inner space of the automobile compartment by combining the waste heat of an automobile power system.
Furthermore, the space where the PTC heater is located is communicated with the inner space of the automobile compartment through the inner circulation air duct, the inner circulation function is started, air from the inner space of the automobile compartment after the blower is started can firstly enter the space where the PTC heater is located through the inner circulation air duct, and then the air is input into the inner space of the automobile compartment through the space where the PTC heater is located, so that the air in the inner space of the automobile compartment can flow circularly.
Furthermore, the outer circulation air duct communicates the space where the PTC heater is located with the external environment of the automobile compartment, the outer circulation function is started, and after the blower is started, air from the external environment of the automobile compartment firstly enters the space where the PTC heater is located through the outer circulation air duct and then is input into the internal space of the automobile compartment through the space where the PTC heater is located, so that the air in the internal space of the automobile compartment and the air in the external environment of the automobile compartment are mixed.
Furthermore, the warm air system control device is connected with all parts of the whole warm air system and receives the temperature information of the inner space of the automobile compartment obtained by monitoring from the temperature sensor in the automobile, under the high-load working condition of the automobile power system, the heat productivity of the automobile power system is increased, the temperature of the air entering the inner space of the automobile compartment from the space where the automobile power system is located through the waste heat input air channel and the space where the PTC heater is located is increased, when the temperature of the inner space of the automobile compartment reaches or exceeds the manually set threshold value, the warm air system control device sends a stop signal to the PTC heater control device, the PTC heater control device controls the power-off of the PTC heater, and the warm air system supplies warm air to the inner space of the automobile compartment by the waste heat generated by the automobile power system.
Compared with the existing vehicle-mounted warm air system of the electric automobile, the vehicle-mounted warm air system has the advantages that the waste heat generated by the power system of the electric automobile is combined with the PTC heater to improve the efficiency of the warm air system, reduce the energy consumption and increase the driving range of the electric automobile when the electric automobile is used in a low-temperature environment.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic diagram of an energy-saving warm air system of an electric vehicle according to the invention.
Fig. 2 is a system architecture diagram of an energy-saving heating system of an electric vehicle according to the present invention.
FIG. 3 is a system operation flow chart of the energy-saving warm air system of the electric vehicle according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. The components of embodiments of the present invention described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. The detailed description of the embodiments is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited correspondingly. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
The invention is described below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of an energy-saving heating system of an electric vehicle according to an embodiment of the invention. As shown in fig. 1, the energy-saving warm air system for an electric vehicle according to the embodiment of the present invention includes a cabin interior space 100, a warm air system control device 200, a PTC heater 300, an internal circulation air duct 400, a waste heat circulation air duct 500, a power system space 600, and an external circulation air duct 700. The interior space 100 of the vehicle compartment is respectively communicated with the PTC heater 300 and the internal circulation air duct 400, the PTC heater 300 is respectively communicated with the waste heat circulation air duct 500, the power system space 600 and the external circulation air duct 700, the warm air system control device 200 is connected with the PTC heater 300, and the warm air system control device 200 controls the PTC heater 300. When warm air is required, the system is switched to the waste heat circulating duct 500, and air from the power system space 600 enters the cabin interior space 100 through the PTC heater 300. Under the working condition that the automobile stops or starts to run, the PTC heater 300 is in an opening state, and the PTC heater 300 supplies warm air to the inner space 100 of the carriage together with the waste heat of the power system; under the high-load working condition of the automobile power system, the heat productivity of the power system is large, the PTC heater 300 is in a closed state, and the warm air is supplied to the internal space 100 of the carriage by the waste heat generated by the power system completely.
Fig. 2 is a system architecture diagram of an energy-saving heating system of an electric vehicle according to the present invention. As shown in fig. 2, according to the energy-saving warm air system of an electric vehicle of the embodiment of the invention, the components of the system and the functions thereof in the system are as follows:
blower 201: the air circulation control device is connected with the warm air system control device and is controlled by the warm air system control device to control the air circulation flow in the carriage.
Warm air system control device 202: and receiving sensing information from a temperature sensor in the vehicle, and controlling the whole set of heating system to work according to a manually set threshold value.
In-vehicle temperature sensor 203: and the control device is connected with the warm air system and is placed in the carriage of the automobile carriage for monitoring the temperature of the inner space of the automobile carriage and feeding back the temperature to the control device of the warm air system, and when the temperature in the automobile reaches a set threshold value, the control device of the warm air system outputs a PTC heater closing signal.
PTC heater control device 204: the heater system control device is connected and used for receiving the starting and stopping signals of the PTC heater from the heater system control device and controlling the power on and off of the PTC heater.
PTC heater 205: and the PTC heater control device is connected and controlled by the PTC heater control device to heat the air flowing through the space where the PTC heater control device is arranged.
Inner and outer circulation damper actuators 206: and the air door is connected with the warm air system control device, is controlled by the warm air system control device, and is used for controlling the air door of the internal circulation air channel and the air door of the external circulation air channel and switching the air channels.
Blend door actuator 207: the control device is connected with the warm air system control device and is controlled by the warm air system control device, and the warm air system control device is used for switching warm air and cold air to be input into the carriage.
Waste heat damper actuator 208: the air door is connected with the warm air system control device and is controlled by the warm air system control device, and is used for controlling the waste heat input of the power system into the carriage, and after the warm air function is started, the air door of the waste heat input air channel between the space where the power system is located and the carriage is opened.
FIG. 3 is a system operation flow chart of the energy-saving warm air system of the electric vehicle according to the present invention. As shown in fig. 3, according to the energy-saving warm air system of an electric vehicle in an embodiment of the present invention, a work flow of the warm air system includes the following steps:
the first step is as follows: and starting the warm air.
The second step is that: and opening the waste heat air door.
The third step: the blend door is opened.
The fourth step: and starting the blower.
The fifth step: and monitoring the temperature of the inner space of the automobile compartment, and if the temperature is lower than 38334g, performing the sixth step, and if the temperature is higher than or reaches 38334g, jumping to the eighth step.
And a sixth step: the PTC heater is energized.
The seventh step: and monitoring the temperature of the inner space of the automobile compartment, returning to the sixth step if the temperature is lower than 38334g, and performing the eighth step if the temperature is higher than or reaches 38334g.
Eighth step: the PTC heater is de-energized.
The ninth step: the warm air system is completely supplied with warm air by waste heat generated by a power system of the automobile.
Other structures and functions of the energy-saving type warm air system of the electric vehicle according to the embodiment of the present invention are known to those skilled in the art, and are not described in detail for reducing redundancy.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (14)
1. The utility model provides an energy-saving warm braw system of electric automobile which characterized in that includes: a blower; a warm air system control device; an in-vehicle temperature sensor; a PTC heater control device; a PTC heater; an internal and external circulation air door actuator; a mixing damper actuator; a waste heat air door actuator; waste heat input air duct; an internal circulation air duct; an external circulation air duct; the PTC heater is arranged in the automobile compartment, the air blower is connected with the automobile power system through the waste heat input air duct, and the air blower is started to supply air to the automobile power system.
2. The energy-saving heating system for electric vehicle according to claim 1, wherein the vehicle power system is located in a space including but not limited to a motor, a Motor Controller (MCU), a DCDC converter, a power battery pack, a radiator, etc.
3. The energy-saving type warm air system for the electric automobile according to claim 1, wherein the space where the PTC heater is located is respectively communicated with the inner space of the automobile compartment, the internal circulation air duct, the external circulation air duct and the waste heat input air duct.
4. The energy-saving heating system for the electric automobile according to claim 1, wherein the blower is disposed between the space where the PTC heater is located and the input air duct, and after the blower is started, air in the internal circulation air duct, the external circulation air duct and the residual heat input air duct enters the space inside the automobile compartment through the space where the PTC heater is located.
5. The energy-saving warm air system for the electric automobile according to claim 1, wherein the warm air system control device is connected to the PTC heater control device and receives information on the internal space temperature of the automobile from the in-vehicle temperature sensor, and the warm air system control device sends a start or stop signal to the PTC heater control device to control the power on or off of the PTC heater according to a manually set threshold value of the internal space temperature of the automobile.
6. The energy-saving type warm air system of the electric automobile as claimed in claim 1, wherein the warm air system control device is connected to the blower, and the warm air system control device sends an on or off signal to the blower by manually operating a warm air system on-off switch.
7. The energy-saving warm air system for the electric automobile as claimed in claim 1, wherein the warm air system control device is connected to the internal and external circulation air door actuator, and the warm air system control device sends an air channel switching signal to the internal and external circulation air door actuator by manually operating an internal and external circulation switch of the warm air system, so as to control the opening or closing of the air door of the internal circulation air channel and the air door of the external circulation air channel.
8. The energy-saving warm air system for the electric automobile as claimed in claim 1, wherein the warm air system control device is connected to the mixing air door, and the warm air system control device sends a warm air and cold air switching signal to the mixing air door actuator by manually operating a warm air system start-stop switch to control warm air and cold air to be input into the internal space of the automobile compartment.
9. The energy-saving warm air system of the electric automobile according to claim 1, wherein the warm air system control device is connected to the waste heat air door actuator, and the warm air system control device sends an air door opening or closing signal to the waste heat air door actuator to control the opening or closing of the air door of the waste heat input air duct by manually operating the warm air system start-stop switch.
10. The energy-saving type heating system for the electric automobile according to claim 1, wherein the heating system control device is connected to the whole set of heating system and receives the information of the internal space temperature of the automobile compartment monitored by the internal temperature sensor, and the heating system control device controls the whole set of heating system to operate according to a manually set threshold value of the internal space temperature of the automobile compartment.
11. The energy-saving heating system for an electric vehicle as claimed in claim 1, wherein the PTC heater heats air flowing through a space where the PTC heater is located, and supplies heating air to the space inside the vehicle compartment in combination with waste heat of the vehicle power system.
12. The energy-saving heating system for the electric automobile according to any one of claims 1 to 3, wherein the internal circulation air duct communicates the space where the PTC heater is located with the space inside the automobile compartment, and when the internal circulation function is turned on and the blower is started, air from the space inside the automobile compartment first enters the space where the PTC heater is located through the internal circulation air duct and then is delivered into the space inside the automobile compartment from the space where the PTC heater is located, so that the air in the space inside the automobile compartment can flow circularly.
13. The energy-saving heating system for the electric vehicle as claimed in any one of claims 1 to 3, wherein the external circulation duct connects the space where the PTC heater is located with the environment outside the vehicle compartment, and when the external circulation function is turned on and the blower is turned on, air from the environment outside the vehicle compartment first enters the space where the PTC heater is located through the external circulation duct and then is delivered into the space inside the vehicle compartment from the space where the PTC heater is located, so as to mix air in the space inside the vehicle compartment with air in the environment outside the vehicle compartment.
14. The energy-saving type heating system for an electric vehicle according to any one of claims 1 to 9, it is characterized in that the warm air system control device is connected with all parts of the whole warm air system and receives the temperature information of the inner space of the automobile compartment obtained by monitoring from the temperature sensor in the automobile, when the automobile power system is under a high-load working condition, the heat productivity of the automobile power system is increased, the temperature of the air which enters the inner space of the automobile compartment from the space where the automobile power system is located through the waste heat input air duct and the space where the PTC heater is located is increased, when the temperature of the inner space of the automobile compartment reaches or exceeds a manually set threshold value, the warm air system control device sends a stop signal to the PTC heater control device, the PTC heater control device controls the power failure of the PTC heater, and the warm air system supplies warm air to the inner space of the automobile compartment by using waste heat generated by a pure automobile power system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911273312.9A CN110901340A (en) | 2019-12-12 | 2019-12-12 | Energy-saving warm air system of electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911273312.9A CN110901340A (en) | 2019-12-12 | 2019-12-12 | Energy-saving warm air system of electric automobile |
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| CN110901340A true CN110901340A (en) | 2020-03-24 |
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| CN201911273312.9A Pending CN110901340A (en) | 2019-12-12 | 2019-12-12 | Energy-saving warm air system of electric automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111251833A (en) * | 2020-03-26 | 2020-06-09 | 北京新能源汽车股份有限公司 | Temperature control system for vehicle and vehicle |
-
2019
- 2019-12-12 CN CN201911273312.9A patent/CN110901340A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111251833A (en) * | 2020-03-26 | 2020-06-09 | 北京新能源汽车股份有限公司 | Temperature control system for vehicle and vehicle |
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