Automobile cabin heating system and automobile
By installing multiple local heating units on the car seat and precisely controlled by the controller, heating is achieved only the area where the occupants are contacted is solved, and the problem of high energy consumption of the traditional cockpit heating system is improved, and heating efficiency and ride comfort are improved.
Patent Information
- Application Number
- CN202411675453.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-03-18
AI Technical Summary
When the traditional car cockpit heating system is turned on, the entire cockpit will be heated, resulting in high energy consumption and unnecessary waste of power resources.
A car cockpit heating system is designed to heat only the area where the occupants are contacted by installing multiple local heating units on each seat and precisely controlled by the controller. The system can be equipped with a temperature detector to dynamically adjust the heating power according to the local area temperature value.
Through local heating, energy savings, heating efficiency improves, provides a more comfortable riding experience while reducing energy consumption.
Smart Images
Figure CN119636538A_ABST
Abstract
Description
Technical Field
[0001] The present disclosure relates to the technical field of automobile cabin thermal management, and in particular, to an automobile cabin heating system and a vehicle. Background Art
[0002] Car cabin heating is essential for improving ride comfort in cold weather, ensuring driving safety, improving driving operation, protecting vehicle components, improving energy efficiency, meeting personalized needs, and increasing the market value of vehicles. Especially in extreme low temperature environments, it is a must-have configuration to ensure the normal operation of the vehicle and the comfort of passengers. Traditional fuel vehicles have engine waste heat, while new energy pure electric vehicles need battery power to heat the cabin.
[0003] In the related art, when the car cabin heating system is turned on, the entire car cabin is usually heated. Although this practice can quickly increase the temperature inside the car, it will also lead to higher energy consumption, thereby causing unnecessary waste of electricity resources. Summary of the invention
[0004] The purpose of the present disclosure is to provide an automobile cabin heating system and a vehicle to solve the problems in the related art.
[0005] In order to achieve the above object, the present disclosure provides a vehicle cabin heating system, the vehicle cabin heating system comprising: A plurality of heating units are arranged on each seat, each of the heating units corresponds to a local area of the seat, and the heating unit is used to heat the local area corresponding to the seat; A controller is connected to each of the heating units, and is used to control each of the heating units to perform heating.
[0006] Optionally, the vehicle cabin heating system further comprises: A plurality of temperature detectors, each of which corresponds to each of the plurality of heating units, and each of which is connected to the controller, and is used to detect a temperature value of a local area of a corresponding seat; The controller is also used to control the heating power of the corresponding heating unit according to the temperature value of the local area.
[0007] Optionally, the controller is further configured to: Calculate the temperature difference between the local area temperature value and the set temperature value; When the temperature difference is greater than the temperature difference threshold, controlling the corresponding heating unit to perform heating at a first heating power; When the temperature difference is less than or equal to the temperature difference threshold, the corresponding heating unit is controlled to perform heating with a second heating power, wherein the first heating power is greater than the second heating power.
[0008] Optionally, the square resistance of the heating unit is positively correlated with the spatial position of the heating unit in the vehicle cabin.
[0009] Optionally, the vehicle cabin heating system further comprises: At least one of a heating unit disposed on the floor, a heating unit disposed on the door panel, a heating unit disposed on the armrest, a heating unit disposed above the dashboard, a heating unit disposed on the steering wheel, a heating unit disposed on the A-pillar, a heating unit disposed on the B-pillar, a heating unit disposed on the front panel of the driver's seat, a heating unit disposed on the front panel of the passenger seat, and a heating unit disposed on the console side panel.
[0010] Optionally, the controller is also used to control all heating units in the area to heat in a user-selected area heating control mode.
[0011] Optionally, the vehicle cabin heating system further comprises: A heat insulation layer arranged at the bottom of the vehicle cabin and / or around the vehicle cabin body.
[0012] Optionally, the heating unit is a graphene heating pad, an electric heating wire, or a combination of the two heating methods.
[0013] Optionally, the graphene heating pad is sewn or bonded inside the car cabin.
[0014] The present disclosure also provides a vehicle, the vehicle comprising: Seats; Any of the above vehicle cabin heating systems.
[0015] By sampling the above technical solution, by installing multiple local heating units on the car seats and precisely controlling them by the controller, only the areas touched by the occupants can be heated, thereby saving energy, improving heating efficiency, and providing a more comfortable riding experience.
[0016] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings: Figure 1 The invention is a block diagram of a vehicle cabin heating system according to an exemplary embodiment.
[0018] Figure 2 The figure is a schematic diagram showing the installation position of a heating unit of a vehicle cabin heating system according to an exemplary embodiment.
[0019] Figure 3 The figure is a schematic diagram showing a method for controlling automobile cabin heating according to an exemplary embodiment.
[0020] Figure 4 The figure is a schematic diagram showing another vehicle cabin heating control method according to an exemplary embodiment. DETAILED DESCRIPTION
[0021] The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.
[0022] In the description below, words such as “first” and “second” are only used for the purpose of distinguishing the description and should not be understood as indicating or implying relative importance or order.
[0023] Car cabin heating is essential for improving ride comfort in cold weather, ensuring driving safety, improving driving operation, protecting vehicle components, improving energy efficiency, meeting personalized needs, and increasing the market value of vehicles. Especially in extreme low temperature environments, it is a must-have configuration to ensure the normal operation of the vehicle and the comfort of passengers. Traditional fuel vehicles have engine waste heat, while new energy pure electric vehicles need battery power to heat the cabin.
[0024] In the related art, when the car cabin heating system is turned on, the entire car cabin is usually heated. Although this practice can quickly increase the temperature inside the car, it will also lead to higher energy consumption, thereby causing unnecessary waste of electricity resources.
[0025] In order to solve the problems in the related art, by installing multiple local heating units on the car seat and precisely controlling them by a controller, only the areas touched by the occupants can be heated, thereby saving energy, improving heating efficiency, and providing a more comfortable riding experience.
[0026] Figure 1 is a block diagram of a vehicle cabin heating system according to an exemplary embodiment. Figure 1 The vehicle cabin heating system may include a controller and a plurality of heating units disposed at each seat.
[0027] Each heating unit corresponds to a local area of a seat, and the heating unit is used to heat the local area corresponding to the seat. The number of seats in the car cabin can be 5, 7 or other, which is not limited in this embodiment.
[0028] In a possible implementation, the heating unit may be a graphene heating pad, an electric heating wire, or a combination of the two heating methods. The graphene heating pad is sewn or bonded inside the car cabin.
[0029] Through simulation and calculation, graphene is used for heating, and local area layout and control are carried out to achieve the same heating temperature in the cabin. Graphene heating saves more than 20% of energy compared with PTC heating. Compared with other heating methods, graphene heating is not dry and the surface is heated evenly, which provides better thermal comfort. Graphene can release far-infrared waves while heating. Far-infrared waves have strong penetrating power and are more easily absorbed by the human body. Infrared waves can promote microvascular expansion, accelerate blood circulation, and improve metabolism. Graphene can replace or reduce the use of other heating systems, saving costs and reducing the weight of the entire vehicle.
[0030] The local area of the seat may be, but is not limited to, a seat cushion, a backrest, a headrest, and the like.
[0031] The heating units arranged at the seat cushion positions (for example, the heating unit 51 of the driver's seat cushion, the heating unit 52 of the passenger seat cushion, the heating unit 53 of the second row left seat cushion, and the heating unit 54 of the second row right seat cushion) can be used to heat a person's buttocks, the heating units arranged at the seat backrest positions (for example, the heating unit 91 of the driver's backrest, the heating unit 92 of the passenger seat backrest, the heating unit 93 of the second row left seat cushion, and the heating unit 94 of the second row right seat cushion) can be used to heat a person's back, and the heating unit arranged at the seat headrest can be used to heat a person's head and neck.
[0032] A heating unit may be installed in one or more local areas of the seat to heat the corresponding local areas of the seat.
[0033] The controller is connected to each heating unit and is used to control each heating unit to perform heating.
[0034] As an implementation method, the controller can be an integrated circuit chip with signal processing capabilities. The controller can be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; it can also be a digital signal processor, an application-specific integrated circuit, a field programmable gate array, a programmable logic controller or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
[0035] When children are riding in the seat, since they are less likely to touch the headrest area or will not touch the headrest due to their insufficient height, only the heating units corresponding to the seat cushion and backrest can be controlled for heating, and the heating unit corresponding to the headrest will not be turned on, thereby saving energy.
[0036] For passengers sitting in seats, they may only want local heating. In this case, the opening of one or more heating units corresponding to the local areas can be selectively controlled to save energy while meeting the heating needs.
[0037] By installing multiple local heating units on the car seats and precisely controlling them by the controller, only the areas touched by the occupants can be heated, thus saving energy, improving heating efficiency and providing a more comfortable riding experience.
[0038] In a possible implementation, the vehicle cabin heating system may further include a plurality of temperature detectors.
[0039] A plurality of temperature detectors, each of which corresponds to each of the plurality of heating units, is connected to a controller, and is used to detect a temperature value of a local area of a corresponding seat.
[0040] The controller is also used to control the heating power of the corresponding heating unit according to the temperature value of the local area.
[0041] Each temperature detector is used to detect the temperature value of a local area of a seat. The temperature detector can be, but is not limited to, a thermistor, a thermocouple, etc.
[0042] When the difference between the local area temperature value and the set temperature value is large, the corresponding heating unit is controlled to heat with a large heating power. When the difference between the local area temperature value and the set temperature value is small, the corresponding heating unit is controlled to heat with a small heating power.
[0043] In another embodiment, in order to save costs and resources, several local areas can share one temperature detector. For example, one seat can share one temperature detector. The controller controls the heating power of all heating units on the seat according to the temperature detected by this temperature detector.
[0044] In a possible implementation manner, the controller is further configured to: Calculate the temperature difference between the local area temperature value and the set temperature value; When the temperature difference is greater than the temperature difference threshold, controlling the corresponding heating unit to heat with a first heating power; When the temperature difference is less than or equal to the temperature difference threshold, the corresponding heating unit is controlled to perform heating with a second heating power, wherein the first heating power is greater than the second heating power.
[0045] The calculated temperature difference is greater than the temperature difference threshold, indicating that the actual temperature differs greatly from the set temperature. The controller will instruct the corresponding heating unit to heat with a higher first heating power to quickly reach the set temperature.
[0046] If the temperature difference is less than or equal to the temperature difference threshold, it means that the actual temperature is close to the set temperature, and the controller will instruct the corresponding heating unit to heat with a lower second heating power to maintain or slowly adjust to the set temperature.
[0047] The first heating power is set to be greater than the second heating power to ensure that sufficient heat can be provided when rapid temperature rise is required, and the temperature is maintained at a lower power when the temperature is close to the set value, which can improve energy efficiency and prevent overheating.
[0048] For example, the temperature detector collects the car cabin temperature data and converts it into a processable signal. The controller receives the signal and compares it with the set temperature value of the cabin. If the set temperature value differs from the detected temperature value by more than or equal to 15°C, the controller starts the rapid heating program. If the set temperature value differs from the detected temperature value by less than 15°C, the controller starts the normal heating program.
[0049] The feedback-based temperature control system can provide a more intelligent and comfortable heating experience. By dynamically adjusting the heating power to respond to temperature changes, the seat temperature can quickly and stably reach the comfortable temperature set by the user, while also taking energy saving and safety into consideration.
[0050] In a possible implementation manner, the square resistance of the heating unit is positively correlated with the spatial position of the heating unit in the vehicle cabin.
[0051] The higher the spatial position of the heating unit in the car cabin is, the higher the square resistance of the heating unit is, the lower the current of the heating unit is, and the lower the heating efficiency and heating speed are.
[0052] In the vertical direction of the cabin, the closer to the bottom of the car, the smaller the square resistance of the graphene heating pad. From the top of the cabin downward, the square resistance of the graphene heating pad decreases successively, and correspondingly, the power density of the graphene heating pad gradually increases. The power density range of the graphene heating pad is 300W / ㎡~1500W / ㎡, and the heating rate can be adjusted according to the power density.
[0053] For example, the square resistance of the heating unit corresponding to the headrest is greater than the square resistance of the heating unit corresponding to the backrest, and the square resistance of the heating unit corresponding to the backrest is greater than the square resistance of the heating unit corresponding to the seat cushion.
[0054] The lower the spatial position of the heating unit in the car cabin, the lower the square resistance of the heating unit, the higher the current of the heating unit, the higher the heating efficiency and heating speed, thereby ensuring the temperature uniformity and comfort of different areas in the car cabin.
[0055] In one possible implementation, see Figure 2 , Figure 2 : is a schematic diagram showing the installation position of a heating unit of a vehicle cabin heating system according to an exemplary embodiment. The vehicle cabin heating system may also include: At least one of a heating unit disposed on the floor, a heating unit disposed on the door panel, a heating unit disposed on the armrest, a heating unit disposed above the dashboard, a heating unit disposed on the steering wheel, a heating unit disposed on the A-pillar, a heating unit disposed on the B-pillar, a heating unit disposed on the front panel of the driver's seat, a heating unit disposed on the front panel of the passenger seat, and a heating unit disposed on the console side panel.
[0056] The controller is connected to a heating unit arranged on the floor, a heating unit arranged on the door panel, a heating unit arranged on the armrest, a heating unit arranged above the dashboard, a heating unit arranged on the steering wheel, a heating unit arranged on the A-pillar, a heating unit arranged on the B-pillar, a heating unit arranged on the front panel of the driver's seat, a heating unit arranged on the front panel of the co-driver's seat, and a heating unit arranged on the console side panel, and the controller is used to control the above-mentioned heating units to perform heating.
[0057] The heating units arranged on the floor (for example, the heating unit 11 of the driver's floor, the heating unit 12 of the passenger's floor, the heating unit 13 of the second row's left floor, and the heating unit 14 of the second row's right floor) can be used to heat people's feet, so that the passengers' feet will not feel cold, thereby improving riding comfort; the heating units arranged on the door panels (for example, the heating unit 21 of the driver's door panel, the heating unit 22 of the passenger's door panel, the heating unit 23 of the second row's left door panel, and the heating unit 24 of the second row's right door panel) heat the panels on the inside of the doors in cold seasons, so that the passengers will not feel cold when touching the door panels, thereby improving riding comfort; the heating units arranged on the armrests (for example, the heating unit 30 of the central armrest) help to heat the armrest surface in a low temperature environment, provide the passengers with a warm armrest experience, and increase comfort; the heating units arranged above the dashboard The heat unit 31 can heat a specific area of the dashboard to prevent the dashboard surface from being too cold in cold weather, and also helps to reduce the generation of fog in the car; the heating unit 32 set on the steering wheel heats the steering wheel surface, so that the driver feels warm when holding the steering wheel in cold weather, thereby improving driving comfort and safety; the heating unit set on the A-pillar (for example, the heating unit 61 of the left A-pillar of the driver's seat and the heating unit 62 of the right A-pillar of the passenger's seat) helps to heat the surface of the A-pillar, reducing the cold feeling of the occupants when they touch the A-pillar in cold seasons, while reducing the fog on the surface of the A-pillar caused by the temperature difference, thereby improving riding comfort and safety; the heating unit set on the B-pillar (for example, the heating unit 63 of the left B-pillar of the second row and the heating unit 64 of the right B-pillar of the second row) can heat the surface of the B-pillar, providing the occupants with a warm contact experience, especially when entering and exiting the vehicle. In addition, the heated B-pillar can also reduce the hardening of the material caused by low temperature, thereby improving safety to a certain extent.
[0058] In other embodiments, the automobile cabin heating system may further include a heating unit 81 disposed on the front panel of the main driver's seat, a heating unit 82 disposed on the front panel of the co-driver's seat, a heating unit disposed on the console side panel, and the like.
[0059] In a possible implementation manner, the controller is further configured to control all heating units in the area to perform heating in a user-selected area heating control mode.
[0060] The user may select one or more local areas according to his / her own preference, so as to heat the heating units corresponding to the selected one or more local areas.
[0061] The heating area is roughly divided in advance so that the user does not have to select each local area one by one, thereby improving the selection efficiency and user experience.
[0062] The control mode can be general control or partition control. All heating units in the entire car cabin can be controlled, a single heating unit can be controlled independently, or the heating units in each heating zone can be controlled uniformly. A communication module is installed in the car cabin for remote control.
[0063] In one embodiment, see Figure 3 , Figure 3 It is a schematic diagram of a car cabin heating control method according to an exemplary embodiment. The heating area can be divided into 4 sub-control areas according to the seat, namely the main driver heating area, the co-driver heating area, the second row left heating area, and the second row right heating area. The main driver heating area may include heating units corresponding to local areas such as the main driver backrest, the main driver seat cushion, the main driver door panel, the main driver floor, the main driver left A-pillar, the main driver front wall, the central armrest, the top of the instrument panel, the steering wheel, and the console side panel. The co-driver heating area may include heating units corresponding to local areas such as the co-driver backrest, the co-driver seat cushion, the co-driver door panel, the co-driver floor, the co-driver right A-pillar, and the co-driver front wall. The second row left heating area may include heating units corresponding to local areas such as the left backrest, the left seat cushion, the left door panel, the left floor, and the left B-pillar. The second row right heating area may include heating units corresponding to local areas such as the middle / right backrest, the right seat cushion, the right door panel, and the right B-pillar.
[0064] In another embodiment, see Figure 4 , Figure 4 It is a schematic diagram of another automobile cabin heating control method according to an exemplary embodiment. The heating area can be divided into the whole vehicle floor, the whole vehicle seat cushion, the whole vehicle seat back, and the whole vehicle door panel, so as to control the heating units corresponding to the whole vehicle floor, the heating units corresponding to the whole vehicle seat cushion, the heating units corresponding to the whole vehicle seat back, and the heating units corresponding to the whole vehicle door panel for heating respectively.
[0065] The control method also includes heating control of the same position in different heating zones, such as being able to simultaneously control the opening or closing of the heating units corresponding to the floor, seat cushion, seat back and door panels of the four heating zones.
[0066] In a possible implementation, the vehicle cabin heating system may further include: A heat insulation layer arranged at the bottom of the vehicle cabin and / or around the vehicle cabin body.
[0067] For example, the front windshield, door glass, skylight (sunroof) and skylight glass may be coated with an infrared reflection layer.
[0068] By setting up a heat insulation layer, the external heat can be effectively blocked from entering the car in summer, the temperature inside the car can be kept constant, and the riding comfort can be improved. In winter, the heat inside the car can be effectively blocked from flowing out of the car, saving electricity.
[0069] The present disclosure also provides a vehicle, the vehicle comprising: Seats; The above-mentioned automobile cabin heating system.
[0070] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.
[0071] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.
[0072] In addition, various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.
Claims
1. A vehicle cabin heating system, characterized in that: The automobile cabin heating system comprises: A plurality of heating units are arranged on each seat, each of the heating units corresponds to a local area of the seat, and the heating unit is used to heat the local area corresponding to the seat; A controller is connected to each of the heating units, and is used to control each of the heating units to perform heating.
2. The vehicle cabin heating system according to claim 1, characterized in that: The vehicle cabin heating system further comprises: A plurality of temperature detectors, each of which corresponds to each of the plurality of heating units, and each of which is connected to the controller, and is used to detect a temperature value of a local area of a corresponding seat; The controller is also used to control the heating power of the corresponding heating unit according to the temperature value of the local area.
3. The vehicle cabin heating system according to claim 2, characterized in that: The controller is also used for: Calculate the temperature difference between the local area temperature value and the set temperature value; When the temperature difference is greater than the temperature difference threshold, controlling the corresponding heating unit to perform heating at a first heating power; When the temperature difference is less than or equal to the temperature difference threshold, the corresponding heating unit is controlled to perform heating with a second heating power, wherein the first heating power is greater than the second heating power.
4. The vehicle cabin heating system according to claim 1, characterized in that: The square resistance of the heating unit is positively correlated with the spatial position of the heating unit in the vehicle cabin.
5. The vehicle cabin heating system according to claim 1, characterized in that: The vehicle cabin heating system further comprises: At least one of a heating unit disposed on the floor, a heating unit disposed on the door panel, a heating unit disposed on the armrest, a heating unit disposed above the dashboard, a heating unit disposed on the steering wheel, a heating unit disposed on the A-pillar, a heating unit disposed on the B-pillar, a heating unit disposed on the front panel of the driver's seat, a heating unit disposed on the front panel of the passenger seat, and a heating unit disposed on the console side panel.
6. The vehicle cabin heating system according to claim 5, characterized in that: The controller is also used to control all heating units in the area to perform heating in a user-selected area heating control mode.
7. The vehicle cabin heating system according to claim 1, characterized in that: The vehicle cabin heating system further comprises: A heat insulation layer arranged at the bottom of the vehicle cabin and / or around the vehicle cabin body.
8. The vehicle cabin heating system according to any one of claims 1 to 7, characterized in that: The heating unit is a graphene heating pad, an electric heating wire or a combination of the two heating methods.
9. The vehicle cabin heating system according to claim 8, characterized in that: The graphene heating pad is sewn or bonded inside the car cabin.
10. A vehicle, characterized in that: The vehicle comprises: Seats; The vehicle cabin heating system according to any one of claims 1 to 9.