Steering mechanism, temperature control system and vehicle

Abstract

The utility model discloses a steering mechanism, a temperature control system and a vehicle. The steering mechanism comprises a steering wheel (1), a steering column (3) and an air-turning loopback device (2), the air-turning loopback device (2) is fixed to a shell (32) of the steering column (3), one end of the air-turning loopback device (2) is communicated with a pipeline of a vehicle air conditioner, and the other end of the air-turning loopback device (2) is in butt joint with the steering wheel (1). The air turning loopback device (2) does not rotate along with an inner pipe shaft (31) of the steering pipe column (3) and the steering wheel (1), a flow channel (101) in the steering wheel (1) is communicated with a pipeline of a vehicle air conditioner through an air channel (20) of the air turning loopback device (2), and the vehicle air conditioner is controlled by a temperature control system to adjust the temperature of the steering wheel (1). The mode is uniform in temperature control, adjustable in temperature and low in cost.

Description

Technical Field

[0001] The present application generally relates to the field of temperature control of vehicle components such as a steering wheel, a shift handle, etc., and more specifically to a steering mechanism, a temperature control system and a vehicle. Background Art

[0002] In the current prior art, the temperature of a vehicle steering wheel is controlled by directly heating the steering wheel using a PTC. This method does not allow for adjustable temperature and requires additional parts, which results in high costs. Utility Model Content

[0003] The utility model aims to disclose a steering mechanism, a temperature control system and a vehicle, which have the characteristics of adjustable temperature and low cost, and at least partially solve the problems in the related technologies.

[0004] To this end, the first aspect of the utility model is to propose a steering mechanism, including a steering wheel, an air circulation device, and a steering column; a flow channel is arranged inside the steering wheel, the steering column includes an inner tube shaft and a shell sleeved on the inner tube shaft, the inner tube shaft is fixedly connected to the steering wheel and can rotate with the steering wheel, the air circulation device is sleeved on the shell and does not rotate with the steering wheel, and an air channel is arranged on the air circulation device, and the air channel is connected to the flow channel of the steering wheel.

[0005] According to some embodiments of the present invention, the steering wheel 1 comprises a steering wheel, spokes and a connecting device, and the steering wheel and the connecting device are connected through the spokes.

[0006] In some embodiments, the connecting device, the spokes and the steering wheel are an integrated structure and are provided with interconnected flow channels therein.

[0007] In some embodiments, the spokes, the flow channels, and the air channels are multiple and equal in number.

[0008] In some embodiments, the air passage includes an annular air channel and air holes disposed on a side surface of the air conversion loop device, and the annular air channel and the air holes are in communication.

[0009] In some embodiments, one end of the air hole passes through the lower surface of the air conversion loop device, and the other end of the air hole is connected to the flow channel of the connecting device.

[0010] In some embodiments, the pores are L-shaped.

[0011] In some embodiments, the cross-section of the annular gas channel is semicircular or arc-shaped.

[0012] Another aspect of the present invention provides a temperature control system, including a central controller, a vehicle air conditioner and the above-mentioned steering mechanism, wherein the central controller is used to control the vehicle air conditioner to perform temperature control on the steering mechanism.

[0013] In some embodiments, the temperature control system further includes a shift mechanism, wherein a channel is disposed inside the shift mechanism, and the channel is connected to a pipeline of the vehicle air conditioner and is suitable for regulating the temperature of the shift mechanism.

[0014] In some embodiments, the temperature control system further includes a seat, wherein the seat is connected to a duct of the vehicle air conditioner and is suitable for regulating the temperature of the seat.

[0015] A third aspect of the present invention provides a vehicle, comprising the above-mentioned temperature control system. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or related technologies, additional aspects and advantages of the present invention will be briefly introduced in the following description in conjunction with the accompanying drawings.

[0017] Figure 1 A schematic diagram of the structure of a steering mechanism provided by an embodiment of the utility model;

[0018] Figure 2 A schematic structural diagram of a steering wheel section along line aa provided by an embodiment of the utility model;

[0019] Figure 3 A schematic cross-sectional view of a steering wheel provided in an embodiment of the utility model;

[0020] Figure 4 A cross-sectional schematic diagram of a steering wheel provided by an embodiment of the utility model;

[0021] Figure 5 A schematic diagram of the structure of a gas conversion loop device provided in an embodiment of the utility model;

[0022] Figure 6 A schematic cross-sectional view of a gas conversion loop device along line bb provided in an embodiment of the utility model;

[0023] Figure 7 A cross-sectional schematic diagram of a gas conversion loop device provided in an embodiment of the utility model;

[0024] Figure 8 A schematic diagram of a temperature control system provided by an embodiment of the utility model;

[0025] Fig. 9 A cross-sectional schematic diagram of a shift mechanism provided in an embodiment of the utility model.

[0026] Description of reference numerals:

[0027] 100, steering mechanism; 1, steering wheel; 10, steering wheel; 11, spokes; 12, connecting device; 101, flow channel; 2, air circulation device; 20, air channel; 21, circular air channel; 22, air hole; 23, mounting hole; 3, steering column; 31, inner shaft; 32, shell; 33, connecting bolt; 4, pipeline; 41, connecting piece; 200, shift mechanism; 201, channel; 202, inlet; 203, outlet; 300, seat; 400, vehicle air conditioning; 500, central controller; 501, control system; 502, temperature sensor. DETAILED DESCRIPTION

[0028] The exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can also be implemented in various other forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0029] In the present disclosure, unless otherwise stated, the directional words used, such as "inside, outside, top, bottom, surface", etc., refer to the contours of the corresponding parts themselves. In addition, the terms "first", "second", "third", etc. used in the present disclosure are to distinguish one element from another, and do not have order and importance. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0030] like Figure 1-9 As shown, the utility model discloses a steering mechanism, a temperature control system and a vehicle. Now, exemplary embodiments according to the present invention will be described in more detail with reference to the accompanying drawings.

[0031] like Figure 1 As shown, the steering mechanism 100 proposed by the utility model includes a steering wheel 1, an air circulation device 2 and a steering column 3; wherein the steering wheel 1 is fixedly connected to the inner tube shaft 31 of the steering column 3 and rotates together; the air circulation device 2 is fixed to the housing 32 of the steering column 3 and does not rotate with the inner tube shaft 31 and the steering wheel 1; the air circulation device 2 is used to convey cold air or hot air to the steering wheel 1, and can heat or cool the steering wheel 1.

[0032] according to Figure 2-Figure 7 As shown, it is a cross-sectional view of the connection relationship between the steering wheel 1, the air circulation device 2 and the steering column 3:

[0033] Optionally, the steering wheel 1 includes a steering wheel 10 , spokes 11 and a connecting device 12 , and the steering wheel 10 and the connecting device 12 are connected via the spokes 11 .

[0034] Optionally, the steering wheel 10, the plurality of spokes 11 and the connecting device 12 are welded or cast to form an integral structure.

[0035] Optionally, the steering wheel 10, spokes 11 and connecting device 12 are all provided with interconnected flow channels 101, the flow channels 101 are bent inside the steering wheel 10, spokes 11 and connecting device 12, and are in the shape of interconnected circular rings inside the steering wheel 10.

[0036] Optionally, a plurality of spokes 11 may be provided according to different structures of the steering wheel 1. The number of flow channels 101 in the steering wheel 1 is the same as the number of spokes 11, and a flow channel 101 is provided inside each spoke 11 to form a plurality of non-communicating flow channels 101 with the steering wheel 10 and the connecting device 12. Each flow channel 101 forms a plurality of circulation flow channels 101 inside the steering wheel 1, which can increase the contact area between the steering wheel 1 and the gas, thereby improving the heating or cooling efficiency.

[0037] Optionally, the steering column 3 includes an inner tube shaft 31 and a shell 32 sleeved on the inner tube shaft 31, and the inner tube shaft 31 and the shell 32 can rotate relative to each other; optionally, a fixed bracket is provided at the lower end of the shell 32, and the fixed bracket is fixedly installed on the chassis of the vehicle. There is grease between the inner tube shaft 31 and the shell 32, and the inner tube shaft 31 can rotate relative to the shell 32.

[0038] Optionally, the steering wheel 1 is fixedly connected to the inner tube shaft 31 of the steering column 3 by bolts 33, and when the steering column 3 rotates relative to the housing 32, the steering wheel 1 is driven to rotate.

[0039] like Figure 4 As shown, it is a schematic diagram of a vertical section of the steering wheel 10. Optionally, the cross-sectional shape of the flow channel 101 is circular or elliptical.

[0040] like Figure 5 As shown, optionally, an air channel 20 is provided on the air conversion loop device 2, and the air channel 20 includes an annular air channel 21 and air holes 22 provided on the side surface of the air conversion loop device 2, and the annular air channel 21 and the air holes 22 are connected.

[0041] like Figure 6 As shown, optionally, a mounting hole 23 is provided in the middle of the air circulation device 2, and the air circulation device 2 is mounted on the shell 32 of the steering column 3 through the mounting hole 23. The air circulation device 2 and the shell 31 are fixed, while the steering wheel 1 and the inner tube shaft 31 of the steering column 3 rotate relative to the air circulation device 2 and the shell 31.

[0042] like Figure 7 As shown, optionally, in the vertical cross-section of the air circulation device 2, the air hole 22 is L-shaped, and the cross-section of the annular air channel 21 is a semicircular or arc-shaped structure.

[0043] Optionally, the number of air ducts 20 is the same as the number of flow channels 101 and they are connected to each other. The air duct 20 is fixedly connected to the air conditioning duct 4 via a connector 41 to transport the gas into the flow channel 101 to form a gas circulation in the steering wheel 1.

[0044] Optionally, taking the example of setting three flow channels 101 in the steering wheel 1, there are also three spokes 11 and three air channels 20, forming three flow channels 101 that are not connected to each other in the steering wheel, and the three air channels 20 are formed on the side surface of the air circulation device 2 with three annular air channels 21 arranged at regular intervals along the axial direction of the air circulation device 2, and the air holes 22 of the three air channels 20 form regularly arranged inlets on the lower surface of the air circulation device 2, and are respectively connected to the three pipes separated from the vehicle air conditioner 400 through the connecting parts 41; this arrangement has a larger cooling or heating area for the steering wheel 1 and a higher efficiency.

[0045] Optionally, the contact position between the air channel 20 and the flow channel 101 is sealed with a rubber body to prevent the cold air or the warm air from leaking out.

[0046] like Figure 8 As shown, a temperature control system of the present invention comprises a central controller 500 , a vehicle air conditioner 400 and the steering mechanism 100 of the above embodiment, wherein the central controller 500 is used to control the vehicle air conditioner 400 to perform temperature control on the steering mechanism 100 .

[0047] Optionally, the temperature control system also includes Fig. 9 The shift mechanism 200 shown has a passage 201 disposed inside the shift mechanism 200 , and the passage 201 is connected to a pipeline of the vehicle air conditioner 400 .

[0048] Optionally, the temperature control system also includes a seat 300 , and the temperature of the seat 300 can also be adjusted by the vehicle air conditioner 400 using a similar principle.

[0049] Optionally, the central controller 500 includes a control system 501 and a vehicle body temperature sensor 502. The control system 501 controls the vehicle program to transmit the cold / hot medium of the in-vehicle air conditioner 400 to the steering mechanism 100, the shift mechanism 200 and the seat 300, so as to control the temperature adjustment of the steering mechanism 100, the shift mechanism 200 and the seat 300.

[0050] Optionally, the cold and hot medium provided by the in-vehicle air conditioner 400 can be cold / warm air or cold / warm liquid, wherein the cold and hot medium provided by the vehicle air conditioner 400 to the steering mechanism 100 and the seat 300 is cold / warm air, and the cold and hot medium provided to the shift mechanism 200 is cold / warm liquid.

[0051] Optionally, by modifying the original vehicle air conditioner 400, the cold / warm liquid flows through the shift mechanism 200, thereby adjusting the surface temperature of the shift mechanism 200; the cold / warm air blown out by the blower flows through the flow channels in the steering wheel 1 and the seat 300, thereby achieving the purpose of adjusting the surface temperature of the steering wheel 1 and the seat 300.

[0052] Optional, such as Fig. 9 As shown, a Z-shaped channel 201 is provided inside the shift mechanism 200, and a first channel opening 202 and a first channel opening 203 extend out through the shift handle eye. The two channel openings are inlet at one end and outlet at the other end, and are connected to the refrigerant liquid split valve of the vehicle air conditioner 400 to realize the opening and closing and pressure reduction functions, and the shift mechanism 200 is cooled by the circulation of cold / warm liquid. The shift mechanism 200 adopts a split seam design inside, and the two halves are covered together after processing, fixed by buckles or screws at the bottom, and have a rubber ring waterproof design.

[0053] Optionally, the control system 501 and the temperature sensor 502 of the central controller 500 obtain temperature data of the steering mechanism 100, the shift mechanism 200 and the seat 300, and adjust the temperature of the air conditioner or the air volume of the blower according to the obtained temperature to achieve cooling or heating of the steering mechanism 100, the shift mechanism 200 and the seat 300.

[0054] Optionally, the central controller 500 can be divided into two control modes: automatic control and manual control. In the automatic control mode, the temperature sensor 502 and the vehicle air conditioner 400 are used under the control of the control system 501 to achieve precise temperature control of each part to meet the diverse needs of users and create a comfortable environment in the cabin.

[0055] Optionally, for the above two control modes, the control steps are briefly described first:

[0056] First, the central controller 500 initializes the program and detects whether the automatic temperature control system programs of the steering mechanism 100, the shift mechanism 200 and the seat 300 are normal; then determines whether the automatic mode of the automatic temperature control system program is turned on:

[0057] If the automatic mode of the automatic temperature control system program is turned on, it will enter the automatic control mode, and the control process is as follows:

[0058] 1. Using the in-vehicle sensor 500 to obtain the temperature of the steering mechanism 100, the shift mechanism 200 and the seat 300;

[0059] 2. Control the in-vehicle air conditioner 400 to output cold / hot medium through the control system 501, and control the temperature of the steering mechanism 100, the shift mechanism 200 and the seat 300 to be between 18 and 24 degrees;

[0060] If the automatic mode of the automatic temperature control system program is not turned on or manual intervention is required, the manual control mode will be entered, and the control process is as follows;

[0061] 1. Manually set the air volume and outlet temperature of the air conditioner to 400 degrees, and output cold / hot medium to the steering mechanism 100, the shift mechanism 200 and the seat 300;

[0062] 2. Perform weighted calculation based on the current output air volume of the air conditioner 400, and synchronously adjust the opening and closing size of the air intake valve, so as to control the temperature of the steering mechanism 100, the shift mechanism 200 and the seat 300 to be at the manually set temperature.

Claims

1. A steering mechanism, characterized in that: include: A steering wheel (1), wherein a flow channel (101) is provided inside the steering wheel (1); A steering column (3), the steering column (3) comprising an inner tube shaft (31) and a shell (32) sleeved on the inner tube shaft (31), the inner tube shaft (31) being connected to the steering wheel (1) and being capable of rotating with the steering wheel (1); An air circulation device (2), wherein the air circulation device (2) is sleeved on the housing (32), and an air passage (20) is provided on the air circulation device (2), wherein the air passage (20) is connected to a flow passage (101) of the steering wheel (1).

2. The steering mechanism according to claim 1, characterized in that: The steering wheel (1) comprises a steering wheel (10), spokes (11) and a connecting device (12); the steering wheel (10) and the connecting device (12) are connected via the spokes (11).

3. The steering mechanism according to claim 2, characterized in that: The connecting device (12), the spokes (11) and the steering wheel (10) are all provided with flow channels (101) that are interconnected.

4. The steering mechanism according to claim 3, characterized in that: The spokes (11), the flow channels (101) and the air channels (20) are multiple and equal in number.

5. The steering mechanism according to claim 4, characterized in that: The air channel (20) comprises an annular air channel (21) and an air hole (22) arranged on a side surface of the air conversion loop device (2), and the annular air channel (21) and the air hole (22) are in communication.

6. The steering mechanism according to claim 5, characterized in that: One end of the air hole (22) passes through the lower surface of the air conversion loop device (2), and the other end of the air hole (22) is connected to the flow channel (101) of the connecting device (12).

7. The steering mechanism according to claim 6, characterized in that: The air hole (22) is L-shaped.

8. The steering mechanism according to claim 5, characterized in that: The cross section of the annular air channel (21) is semicircular or arc-shaped.

9. A temperature control system, characterized in that: The invention comprises a central controller (500), a vehicle air conditioner (400), and a steering mechanism (100) according to any one of claims 1 to 8, wherein the central controller (500) is used to control the vehicle air conditioner (400) to perform temperature control on the steering mechanism (100).

10. The temperature control system according to claim 9, characterized in that: It also includes a shift mechanism (200), wherein a channel (201) is provided inside the shift mechanism (200), and the channel (201) is connected to a pipeline of the vehicle air conditioner (400).

11. A vehicle, characterized in that: Comprising the temperature control system according to any one of claims 9-10.

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