CN216331358U - Vehicle door frame, heating system and vehicle - Google Patents

Abstract

The utility model is suitable for a vehicle technical field provides a vehicle door frame, heating system and vehicle, and above-mentioned vehicle door frame includes door frame and heating element, and the position that is close to first curb plate on the door frame is equipped with accommodation space, and first curb plate is the board with the door contact of closed condition on the door frame, and heating element installs in accommodation space, and heating element communicates with the air conditioning system on the vehicle. In the winter vehicle driving process, when the air conditioning system is in the heating mode, the liquid heated in the air conditioning system flows through the heating assembly, and the temperature of the heating assembly is increased. Because the heating assembly is close to the first side plate, the first side plate on the door frame is heated by the heating assembly with the temperature increased, and the temperature of the first side plate is increased. And because the first side plate is a plate which is arranged on the door frame and is contacted with the closed door, the heated first side plate heats airflow passing between the door and the door frame, so that low-temperature airflow is prevented from entering the cockpit, and the riding experience of a user is improved.

Description

Vehicle door frame, heating system and vehicle

Technical Field

The application belongs to the technical field of vehicles, especially, relate to a vehicle door frame, heating system and vehicle.

Background

At present, the problem of vehicle tightness cannot be avoided, the main ventilation position is the gap between the vehicle door and the door frame, and after the vehicle is used for a certain time, the problems of aging, deformation and the like of a vehicle door sealing rubber strip occur, so that the ventilation problem is aggravated. In the driving process in winter, low-temperature airflow enters the cockpit from a gap between the vehicle door and the door frame, so that the temperature of the cockpit is reduced, and the riding experience of a user is influenced.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a vehicle door frame, heating system and vehicle, can solve the winter driving in-process, and the low temperature air current enters into the cockpit by the space between door and the door frame, influences the problem that the user experienced the sense of riding.

In a first aspect, an embodiment of the present application provides a vehicle door frame, which includes a door frame and a heating assembly, wherein a first side plate is arranged on the door frame, when a vehicle door is in a closed state, the first side plate contacts with the vehicle door, an accommodating space is arranged on the door frame at a position close to the first side plate, the heating assembly is installed in the accommodating space, and the heating assembly is used for communicating with an air conditioning system on a vehicle;

when the air conditioning system is in a heating mode, heated liquid in the air conditioning system can flow through the heating assembly to heat an airflow between the door frame and the vehicle door.

In a possible implementation manner of the first aspect, the heating assembly includes a liquid pipeline, a heat insulation plate and a heat conduction plate, the heat insulation plate is stacked with the heat conduction plate, the liquid pipeline is arranged between the heat insulation plate and the heat conduction plate, the heat conduction plate is installed on the inner wall of the accommodating space, the heat conduction plate is located between the heat insulation plate and the first side plate, a liquid inlet of the liquid pipeline is used for communicating with a liquid inlet of a warm air core in the air conditioning system, and a liquid outlet of the liquid pipeline is used for communicating with a liquid outlet of the warm air core in the air conditioning system.

In one possible implementation form of the first aspect, the liquid line is a reciprocating folding line or a coiled line.

In a possible implementation manner of the first aspect, the liquid pipeline includes a first pipeline, a second pipeline and a liquid storage tank, the inlet of the first pipeline is used for communicating with the inlet of the warm air core in the air conditioning system, the liquid outlet of the first pipeline is communicated with the inlet of the liquid storage tank, the inlet of the second pipeline is communicated with the liquid outlet of the liquid storage tank, the liquid outlet of the second pipeline is used for communicating with the liquid outlet of the warm air core in the air conditioning system, and the liquid storage tank is arranged between the heat insulation plate and the heat conduction plate.

In one possible implementation manner of the first aspect, the first side plate is a plate of which the bottom of the door frame is in contact with the vehicle door in a closed state.

In a second aspect, an embodiment of the present application provides a heating system for a vehicle door frame, including a controller, an electronic control valve, and the vehicle door frame of any one of the first aspect, wherein the electronic control valve is connected in series between a heating assembly and an air conditioning system on a vehicle, and the electronic control valve is electrically connected to the controller;

when the air conditioning system is in a heating mode, the controller is used for controlling the electric control valve to be opened, and when the air conditioning system is in a non-heating mode, the controller is used for controlling the electric control valve to be closed.

In one possible implementation manner of the second aspect, the heating system of the vehicle door frame further comprises an instruction acquisition unit, wherein the instruction acquisition unit is electrically connected with the controller;

the command acquisition unit is used for acquiring command information of a user and transmitting the command information to the controller, and when the air conditioning system is in a heating mode, the controller is also used for controlling the electric control valve to be opened or closed according to the command information.

In one possible implementation of the second aspect, the heating system of a door frame of a vehicle further comprises a position detection unit electrically connected with the controller;

the position detection unit is used for detecting the in-place information of a user on the seat and transmitting the in-place information to the controller, and when the air conditioning system is in a heating mode, the controller is also used for controlling the electric control valve to be opened or closed according to the in-place information.

In one possible implementation of the second aspect, the heating system of a door frame of a vehicle further comprises a speed detection unit electrically connected with the controller;

the speed detection unit is used for detecting speed information of a vehicle and transmitting the speed information to the controller, and when the air conditioning system is in a heating mode and the electric control valve is in an open state, the controller is also used for controlling the opening degree of the electric control valve according to the speed information.

In a third aspect, embodiments of the present application provide a vehicle including the heating system of the vehicle door frame of any one of the second aspects.

Compared with the prior art, the embodiment of the application has the advantages that:

in the winter vehicle driving process, when the air conditioning system is in the heating mode, the liquid heated in the air conditioning system flows through the heating assembly, and the temperature of the heating assembly is increased. Because the heating assembly is close to the first side plate, the first side plate on the door frame is heated by the heating assembly with the temperature increased, and the temperature of the first side plate is increased. And because the first side plate is a plate which is arranged on the door frame and is contacted with the closed door, the heated first side plate heats airflow passing between the door and the door frame, so that low-temperature airflow is prevented from entering the cockpit, and the riding experience of a user is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic structural diagram of a vehicle door frame according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a heating assembly provided in an embodiment of the present application;

FIG. 3 is a schematic view of a connection of a heating system of a vehicle door frame according to an embodiment of the present application;

fig. 4 is a schematic block diagram of a heating system for a door frame of a vehicle according to an embodiment of the present disclosure.

In the figure: 100. a door frame; 200. an accommodating space; 300. a heating assembly; 301. a first pipeline; 302. a second pipeline; 303. a liquid storage tank; 304. a heat insulation plate; 305. a heat conducting plate; 400. a first side plate; 500. a vehicle body; 600. an air conditioning system; 601. a warm air core body; 700. an electrically controlled valve; 800. a controller; 901. an instruction acquisition unit; 902. a position detection unit; 903. a speed detection unit.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It should also be understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

As used in the specification of this application and the appended claims, the term "if" may be interpreted contextually as "when …" or "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".

Furthermore, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used for distinguishing between descriptions and not necessarily for describing or implying relative importance.

Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.

Fig. 1 shows a schematic structural diagram of a vehicle door frame according to an embodiment of the present application. Referring to fig. 1, a vehicle door frame is located on a vehicle body 500, the vehicle door frame includes a door frame 100 and a heating assembly 300, a first side plate 400 is provided on the door frame 100, when a vehicle door is in a closed state, the first side plate 400 contacts with the vehicle door, and an accommodating space 200 is provided on the door frame 100 at a position close to the first side plate 400. The heating module 300 is installed in the accommodating space 200, the heating module 300 communicates with an air conditioning system 600 on the vehicle, and liquid in the air conditioning system 600 can flow through the heating module 300.

Specifically, during the winter vehicle driving process, when the temperature of the passenger compartment is low, the user adjusts the air conditioning system 600 to the heating mode to heat the passenger compartment. At this time, the liquid heated in the air conditioning system 600 flows through the heating module 300, and the temperature of the heating module 300 increases. Since the heating assembly 300 is close to the first side plate 400, the heated heating assembly 300 heats the first side plate 400 on the door frame 100, so that the temperature of the first side plate 400 is increased. Since the first side plate 400 is a plate in contact with the closed door on the door frame 100, the first side plate 400 heated heats the airflow passing between the door and the door frame 100, so that the low-temperature airflow is prevented from entering the cockpit, and the riding experience of the user is improved.

In one embodiment of the present application, the heating assembly 300 includes a liquid pipeline, a heat insulation board 304 and a heat conduction board 305, the heat insulation board 304 and the heat conduction board 305 are stacked, the liquid pipeline is disposed between the heat insulation board 304 and the heat conduction board 305, the heat conduction board 305 is installed on the inner wall of the accommodating space 200, the distance between the heat conduction board 305 and the first side board 400 is smaller than the distance between the heat insulation board 304 and the first side board 400, the liquid inlet of the liquid pipeline is communicated with the liquid inlet of the warm air core 601 in the air conditioning system 600, and the liquid outlet of the liquid pipeline is communicated with the liquid outlet of the warm air core 601 in the air conditioning system 600.

Specifically, the liquid lines are installed between the heat shield 304 and the heat-conducting plate 305, and the heat shield 304 and the heat-conducting plate 305 can function to fix the liquid lines. The distance between the heat conducting plate 305 and the first side plate 400 is smaller than the distance between the heat insulating plate 304 and the first side plate 400, that is, the heat conducting plate 305 is installed at a position close to the first side plate 400, because the heat conducting plate 305 has a good heat transfer effect, when the liquid heated in the air conditioning system 600 flows through the liquid pipeline, the heat can be transferred to the first side plate 400 through the heat conducting plate 305, so that the temperature of the first side plate 400 is raised, and further, the air current flowing between the door and the door frame 100 is heated. The heat shield 304 serves to insulate heat, reduce heat loss, and improve the heating effect of the heating assembly 300 on the airflow passing between the door and the door frame 100. Meanwhile, the accommodating space 200 also contains electronic circuits on the vehicle, when the electronic circuits are in contact with the high-temperature heating assembly 300 for a long time, the aging of the electronic circuits is accelerated, and the heat insulation plate 304 can play a role in heat insulation and protection of the electronic circuits.

When the air conditioning system 600 is in the heating mode, heated liquid enters the warm air core 601 through the liquid inlet of the warm air core 601, and the heated liquid exchanges heat in the warm air core 601 to heat the passenger compartment. The liquid after heat exchange flows out from the liquid outlet of the warm air core body 601. Because the liquid inlet of the liquid pipeline is communicated with the liquid inlet of the warm air core body 601 in the air conditioning system 600, and the liquid outlet of the liquid pipeline is communicated with the liquid outlet of the warm air core body 601 in the air conditioning system 600, when the air conditioning system 600 is in a heating mode, heated liquid enters the liquid pipeline from the liquid inlet of the liquid pipeline, and after heat exchange is carried out on the heated liquid in the liquid pipeline, the heated liquid flows back to the air conditioning system 600 from the liquid outlet of the liquid pipeline, and the liquid pipeline heats the first side plate 400 by using the air conditioning system 600 on a vehicle as a heat source, so that air flow passing between the vehicle door and the door frame 100 is heated.

For example, the heat insulation board 304 may be made of a material having heat insulation function, such as an asbestos board, a rock wool board, or a vacuum board. The heat conducting plate 305 may be made of a material having good heat transfer performance, such as a copper plate or an aluminum plate.

In one embodiment of the present application, the liquid line is a reciprocating accordion line or a coiled line.

Specifically, the liquid pipeline is set to be a reciprocating folding pipeline or a coiled pipeline, so that the heat dissipation area of the liquid pipeline can be increased, the heat dissipation effect of the liquid pipeline is improved, and the efficiency of heating air flow passing through the space between the vehicle door and the door frame 100 is improved.

Fig. 2 shows a schematic structural diagram of a heating assembly provided in an embodiment of the present application. Referring to fig. 2, the liquid pipeline includes a first pipeline 301, a second pipeline 302 and a liquid storage tank 303, an inlet of the first pipeline 301 is communicated with an inlet of a warm air core 601 in the air conditioning system 600, an outlet of the first pipeline 301 is communicated with an inlet of the liquid storage tank 303, an inlet of the second pipeline 302 is communicated with an outlet of the liquid storage tank 303, an outlet of the second pipeline 302 is communicated with an outlet of the warm air core 601 in the air conditioning system 600, and the liquid storage tank 303 is disposed between the heat insulation board 304 and the heat conduction plate 305.

Specifically, the heated liquid in the air conditioning system 600 enters the liquid storage tank 303 through the first pipeline 301, the heated liquid is subjected to heat exchange in the liquid storage tank 303, the temperature of the first side plate 400 is increased, further, the airflow passing through the space between the vehicle door and the door frame 100 is heated, and the liquid flows back to the air conditioning system 600 through the second pipeline 302 after the heat exchange is completed. The liquid storage tank 303 has a larger heat dissipation area than the pipe, and thus the use of the liquid storage tank 303 can improve the heat dissipation amount and improve the efficiency of heating the air flow passing between the door and the door frame 100.

In one embodiment of the present application, the first side plate 400 is a plate that contacts the bottom of the door frame 100 with the vehicle door in a closed state.

Specifically, as can be seen from experiments, when the sealing property of the door to the door frame 100 is in problem, the contact portion between the bottom of the door frame 100 and the door is usually the most air-permeable, and therefore the accommodating space 200 is provided at the bottom of the door frame 100 near the first side surface, and the heating assembly 300 is disposed in the accommodating space 200. The heating assembly 300 can heat the airflow between the bottom of the door frame 100 and the door, prevent cold air from blowing into the passenger compartment, and improve the riding experience of a user.

The application also discloses a heating system of a vehicle door frame, as shown in fig. 4, the heating system of the vehicle door frame comprises a controller 800, an electric control valve 700 and the vehicle door frame, the electric control valve 700 is connected in series between the heating assembly 300 and the air conditioning system 600 on the vehicle, and the electric control valve 700 is electrically connected with the controller 800.

Specifically, when the air conditioning system 600 is in the heating mode, the controller 800 controls the electrically controlled valve 700 to open, and the heated liquid in the air conditioning system 600 flows through the heating unit 300, so that the temperature of the heating unit 300 increases. Since the heating assembly 300 is close to the first side plate 400, the heated heating assembly 300 heats the first side plate 400 on the door frame 100, so that the temperature of the first side plate 400 is increased. Since the first side plate 400 is a plate in contact with the closed door on the door frame 100, the first side plate 400 heated heats the airflow passing between the door and the door frame 100, so that the low-temperature airflow is prevented from entering the cockpit, and the riding experience of the user is improved.

When the air conditioning system 600 is in the non-heating mode, it indicates that the temperature of the passenger compartment meets the requirements of the user, the ambient temperature outside the vehicle is high, and the airflow entering the passenger compartment through the gap between the vehicle door and the door frame 100 does not cause discomfort to the user, at this time, the controller 800 controls the electrically controlled valve 700 to close, the liquid in the air conditioning system 600 does not enter the heating element 300, and the heating element 300 stops working.

It should be noted that, a plurality of doors, for example, 1 door, 2 doors or 4 doors, may be included in the vehicle. Each door frame 100 is provided with a corresponding heating assembly 300, the number of the electric control valves 700 in the heating system of the vehicle door frame is the same as that of the door frames 100, and each electric control valve 700 is used for controlling one corresponding heating assembly 300. The controller 800 is electrically connected with all the electrically controlled valves 700, and the controller 800 can individually control each electrically controlled valve 700, so that the controller 800 can individually control the heating assembly 300 on each door frame 100.

Illustratively, as shown in fig. 3, the vehicle includes 4 doors, each door frame 100 is provided with a heating assembly 300, and each heating assembly 300 is communicated with the air conditioning system 600 through an electrically controlled valve 700. The controller 800 controls the operation and stop of the heating assembly 300 by controlling the opening or closing of the electrically controlled valve 700. When the controller 800 controls the electrically controlled valve 700 to open, the liquid in the air conditioning system 600 can enter the heating assembly 300, and the heating assembly 300 can heat the airflow between the traveling door and the door frame 100. When the controller 800 controls the electrically controlled valve 700 to close, the liquid in the air conditioning system 600 cannot enter the heating assembly 300, and the heating assembly 300 stops working. The controller 800 may selectively control the operation of the heating assembly 300 by individually controlling each of the electrically controlled valves 700.

As shown in fig. 4, the heating system for a door frame of a vehicle further includes an instruction acquisition unit 901, and the instruction acquisition unit 901 is electrically connected to the controller 800.

Specifically, when the air conditioning system 600 is in the heating mode, the user may issue the instruction information. The instruction collecting unit 901 collects instruction information of a user and transmits the instruction information to the controller 800. The controller 800 controls the electronically controlled valve 700 to open or close according to user's instruction information. When the controller 800 controls the electrically controlled valve 700 to open, the heated liquid in the air conditioning system 600 can enter the heating assembly 300, and the heating assembly 300 can heat the airflow passing between the door frame 100 and the vehicle door. When the controller 800 controls the electrically controlled valve 700 to close, the liquid in the air conditioning system 600 cannot enter the heating assembly 300, and the heating assembly 300 is in the non-operating state.

For example, the instruction collecting unit 901 may be a keyboard, a voice collector, or a touch screen. The user can send instruction information to the touch screen by pressing keys on the keyboard. The user can also issue instruction information to the voice collector in a voice mode.

As shown in fig. 4, the heating system for a door frame of a vehicle further includes a position detecting unit 902, and the position detecting unit 902 is electrically connected to the controller 800.

Specifically, when the air conditioning system 600 is in the heating mode, the position detecting unit 902 is configured to detect presence information of a user in a seat and transmit the presence information to the controller 800. The controller 800 controls the electronically controlled valve 700 to open or close according to the presence information. When a person is in the seat, the controller 800 controls the electronic control valve 700 to open, the heated liquid in the air conditioning system 600 can enter the heating assembly 300, and the heating assembly 300 corresponding to the seat can heat the airflow passing between the door frame 100 and the vehicle door. When no person is in the seat, the controller 800 controls the electric control valve 700 to close, and the heater is in a non-working state. When only a person is in the seat, the heating assembly 300 corresponding to the seat can be started to work, and when no person is in the seat, the heating assembly 300 stops working, so that the load of the air conditioning system 600 is reduced on the premise of ensuring that the riding experience of a user is improved, and the effect of saving energy efficiency is achieved.

For example, the position detecting unit 902 may be a pressure sensor, which is mounted on the seat and electrically connected to the controller 800. When no person is present on the seat, the pressure sensor outputs a first level signal (e.g., low level); when a person is present in the seat, the pressure sensor outputs a second level signal (e.g., high level). The controller 800 may determine whether a person is seated in the seat by recognizing the received level signal, thereby completing the detection of whether a person is seated in the seat.

As shown in fig. 4, the heating system for a door frame of a vehicle further includes a speed detecting unit 903, and the speed detecting unit 903 is electrically connected to the controller 800.

Specifically, when the air conditioning system 600 is in the heating mode and the electrically controlled valve 700 is in the open state, the heating element 300 is in the working state. The speed detection unit 903 is used for detecting speed information of the vehicle and transmitting the speed information to the controller 800, and the controller 800 controls the opening and closing degree of the electric control valve 700 according to the speed information to realize adjustment of the flow rate of the liquid flowing into the heating assembly 300, so as to adjust the heating efficiency of the heating assembly 300 on the air flow flowing between the door frame 100 and the vehicle door.

When the speed of the vehicle is increased, the difference between the internal and external air pressures of the vehicle is increased, resulting in an increase in the air flow passing between the door frame 100 and the door. When the vehicle speed of the vehicle decreases, the difference in the internal and external air pressures of the vehicle decreases, resulting in a decrease in the air flow passing between the door frame 100 and the door. If the heating efficiency of the heating element 300 is maintained unchanged, the heating efficiency of the heating element 300 may not meet the heating requirement, and low-temperature airflow still enters the passenger compartment between the door frame 100 and the door, so that the riding experience of a user is reduced; there is also a possibility that the heating efficiency of the heating unit 300 is too high, which increases the load of the air conditioning system 600 and causes a waste of energy. Therefore, the opening and closing degree of the electric control valve 700 is adjusted according to the speed of the vehicle, so that the heating efficiency of the heating assembly 300 is adjusted, the load of the air conditioning system 600 can be reduced on the premise that the heating requirement is met, and the effect of saving the energy efficiency is achieved.

Illustratively, the speed of the vehicle is V and the opening of the electronically controlled valve 700 is a. When the speed V of the vehicle is less than or equal to 20Km/h, the opening A of the electric control valve 700 is 25 percent; when the speed of the vehicle is more than 20Km/h and less than V and less than 80Km/h, the opening A of the electric control valve 700 is V/80; when the speed V of the vehicle is more than or equal to 80Km/h, the opening A of the electric control valve 700 is 100 percent.

The application also discloses a vehicle, this vehicle include air conditioning system and the aforesaid the heating system of vehicle door frame, the vehicle is at the in-process of traveling winter, when air conditioning system on the vehicle is in the heating mode, the liquid that is heated among the air conditioning system can flow through the heating element on the door frame, heating element can heat the air current of flowing through between door and the door frame, prevents that microthermal air current from entering into passenger cabin to the experience that the user was taken bus has been improved and has been felt.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims (10)

1. A vehicle door frame is characterized by comprising a door frame and a heating assembly, wherein a first side plate is arranged on the door frame, when a vehicle door is in a closed state, the first side plate is in contact with the vehicle door, an accommodating space is arranged on the door frame close to the first side plate, the heating assembly is installed in the accommodating space, and the heating assembly is used for being communicated with an air conditioning system on a vehicle;

when the air conditioning system is in a heating mode, heated liquid in the air conditioning system can flow through the heating assembly to heat an airflow between the door frame and the vehicle door.

2. The vehicle door frame of claim 1, wherein the heating assembly comprises a liquid pipeline, a heat insulation plate and a heat conduction plate, the heat insulation plate and the heat conduction plate are stacked, the liquid pipeline is disposed between the heat insulation plate and the heat conduction plate, the heat conduction plate is mounted on the inner wall of the accommodating space, the heat conduction plate is located between the heat insulation plate and the first side plate, the liquid inlet of the liquid pipeline is used for communicating with the liquid inlet of the warm air core in the air conditioning system, and the liquid outlet of the liquid pipeline is used for communicating with the liquid outlet of the warm air core in the air conditioning system.

3. The vehicle door frame of claim 2, wherein the liquid line is a reciprocating accordion line or a coiled line.

4. The vehicle door frame of claim 2, wherein the liquid pipeline comprises a first pipeline, a second pipeline and a liquid storage tank, wherein the liquid inlet of the first pipeline is used for being communicated with the liquid inlet of the warm air core in the air conditioning system, the liquid outlet of the first pipeline is communicated with the liquid inlet of the liquid storage tank, the liquid inlet of the second pipeline is communicated with the liquid outlet of the liquid storage tank, the liquid outlet of the second pipeline is used for being communicated with the liquid outlet of the warm air core in the air conditioning system, and the liquid storage tank is arranged between the heat insulation plate and the heat conduction plate.

5. The vehicle door frame according to claim 1, wherein the first side plate is a plate of which the door frame bottom is in contact with the door in a closed state.

6. A heating system for a vehicle door frame, comprising a controller, an electronic control valve and the vehicle door frame of any one of claims 1-5, wherein the electronic control valve is connected in series between a heating assembly and an air conditioning system on a vehicle, and the electronic control valve is electrically connected with the controller;

when the air conditioning system is in a heating mode, the controller is used for controlling the electric control valve to be opened, and when the air conditioning system is in a non-heating mode, the controller is used for controlling the electric control valve to be closed.

7. The heating system of a vehicle door frame according to claim 6, further comprising an instruction acquisition unit electrically connected with the controller;

the command acquisition unit is used for acquiring command information of a user and transmitting the command information to the controller, and when the air conditioning system is in a heating mode, the controller is also used for controlling the electric control valve to be opened or closed according to the command information.

8. The heating system of a vehicle door frame according to claim 7, further comprising a position detection unit electrically connected to the controller;

the position detection unit is used for detecting the in-place information of a user on the seat and transmitting the in-place information to the controller, and when the air conditioning system is in a heating mode, the controller is also used for controlling the electric control valve to be opened or closed according to the in-place information.

9. The heating system of a vehicle door frame according to claim 8, further comprising a speed detection unit electrically connected to the controller;

the speed detection unit is used for detecting speed information of a vehicle and transmitting the speed information to the controller, and when the air conditioning system is in a heating mode and the electric control valve is in an open state, the controller is also used for controlling the opening degree of the electric control valve according to the speed information.

10. A vehicle characterized by comprising an air conditioning system and a heating system of the vehicle door frame of any one of claims 6-9.

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