Clutch temperature measuring device and vehicle

Abstract

The application relates to the technical field of vehicles, and particularly discloses a clutch temperature measuring device and a vehicle. The clutch temperature measuring device comprises a friction plate, a temperature sensor, a transmitting module, a wire, a first support and a second support. The friction plate comprises an inner damping disc and an outer friction disc coaxially sleeved on the inner damping disc. The outer friction disc is elastically connected with the inner damping disc, and the outer friction disc can swing relative to the inner damping disc within a set angle range. The temperature sensor is arranged on the outer friction disc and is used for collecting the temperature of the outer friction disc. The transmitting module is arranged on the inner damping disc. The wire is connected between the temperature sensor and the transmitting module. The first support is installed on the outer edge of the inner damping disc. The second support is installed on the inner edge of the outer friction disc. The second support and the first support are staggered along the circumferential direction of the friction plate. The wire comprises a flexible wire. The first end of the flexible wire is fixed to the first support, and the second end is fixed to the second support. Therefore, the flexible wire can be effectively protected, and the reliability of temperature measurement is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicles, in particular to a clutch temperature measuring device and a vehicle. BACKGROUND

[0002] The clutch is a key core component in the vehicle, and in order to ensure the stability of power transmission of the transmission and the smoothness of the vehicle driving, the clutch must maintain a large slip speed difference, but this will also generate a large amount of friction heat. If the temperature of the clutch plate is too high, the generated heat cannot be dissipated in time, which will greatly affect the service life and performance stability of the friction plate set, and further affect the performance of the vehicle. Therefore, it is necessary to detect the temperature of the friction plate by the clutch temperature measuring device.

[0003] The clutch temperature measuring device in the prior art is applied to a bench test, but this test scheme is inconsistent with the high-speed rotating state of the friction plate in the actual vehicle, and the test temperature and other data have low reliability, and cannot truly reflect the actual temperature of the clutch friction plate in the actual vehicle driving state. Some are applied to the actual vehicle, and the temperature of the friction plate is detected by the temperature sensor embedded in the outer friction disc of the friction plate. The temperature sensor is usually connected with the transmitting module through a wire, so as to transmit the temperature parameter detected by the temperature sensor to the external terminal through the transmitting module. The transmitting module is usually arranged on the inner damping disc of the friction plate, the wire crosses the inner damping disc and the outer friction disc, and the wire is exposed. The wire is easily damaged due to lack of protection, and the outer friction disc and the inner damping disc reciprocate relatively when the clutch works, which easily causes the wire to be damaged. SUMMARY

[0004] The present application aims to provide a clutch temperature measuring device and a vehicle to effectively protect the wire between the temperature sensor and the transmitting module.

[0005] In one aspect, the present application provides a clutch temperature measuring device, which comprises a friction plate, a temperature sensor, a transmitting module and a wire. The friction plate comprises an inner damping disc and an outer friction disc coaxially sleeved on the inner damping disc. The outer friction disc is connected with the inner damping disc through damping springs, and the outer friction disc can swing relative to the inner damping disc. The temperature sensor is arranged on the outer friction disc and is used to collect the temperature of the outer friction disc. The transmitting module is installed on the inner damping disc. The wire is connected between the temperature sensor and the transmitting module. The clutch temperature measuring device further comprises:

[0006] A first support is installed on the outer edge of the inner damping disc.

[0007] A second support is installed on the inner edge of the outer friction disc, and the second support and the first support are staggered along the circumferential direction of the friction plate.

[0008] The wire includes a flexible wire, a first end of the flexible wire is fixed to the first support, and a second end of the flexible wire is fixed to the second support.

[0009] As a preferred technical solution of the clutch temperature measuring device, the flexible wire is arranged in a U-shaped structure, and an opening of the U-shaped structure is arranged along a circumferential direction of the friction plate, and the opening of the U-shaped structure faces an air flow generated when the friction plate rotates.

[0010] As a preferred technical solution of the clutch temperature measuring device, the flexible wire includes a first connecting segment, a first buffer segment, a rolling segment, a second buffer segment, and a second connecting segment connected in sequence, the first connecting segment is fixedly connected with the first support, the first buffer segment is coplanar with the first connecting segment, the second connecting segment is fixedly connected with the second support, the second buffer segment is coplanar with the second connecting segment, and the rolling segment is in a U-shaped structure.

[0011] As a preferred technical solution of the clutch temperature measuring device, the first connecting segment and the first buffer segment are both in a circular arc shape, the second connecting segment and the second buffer segment are both in a circular arc shape, and the centers of the first connecting segment, the first buffer segment, the second connecting segment, and the second buffer segment all coincide with the center of the friction plate.

[0012] The total length of the flexible wire is L, the lengths of the first connecting segment and the second connecting segment are both L g , the lengths of the first buffer segment and the second buffer segment are both L h , the maximum angle of oscillation of the outer friction plate relative to the inner damping plate is β, the radii of the first connecting segment and the first buffer segment are both N r , the radii of the second connecting segment and the second buffer segment are both W r , the spacing between the first connecting segment and the second connecting segment along the radial direction of the friction plate is 2R, and the length of the rolling segment is L u .

[0013] L=L u +2*(L g +L h ); L u =(N r +W r )*π*β / 360+(W r -N r )*π / 2.

[0014] As the preferred technical scheme of the clutch temperature measuring device, the first support is provided with a first circular arc groove, the second support is provided with a second circular arc groove, the center of the first circular arc groove and the center of the second circular arc groove are coincided with the center of the friction plate, the slot opening of the first circular arc groove and the slot opening of the second circular arc groove are opposite along the radial direction of the friction plate, along the circumferential direction of the friction plate, the first circular arc groove penetrates through the first support, and the second circular arc groove penetrates through the second support.

[0015] The first end of the flexible wire is fixed to the groove bottom surface of the first circular arc groove, and the second end of the flexible wire is fixed to the groove bottom surface of the second circular arc groove.

[0016] As the preferred technical scheme of the clutch temperature measuring device, the clutch temperature measuring device further comprises a wind blocking piece, one end of the wind blocking piece is connected to the second support, and the other end of the wind blocking piece extends into the first circular arc groove.

[0017] When the friction plate rotates, airflow can be generated, and along the flow direction of the airflow, the wind blocking piece is located upstream of the flexible wire.

[0018] As the preferred technical scheme of the clutch temperature measuring device, the temperature sensor is embedded in the outer friction disc.

[0019] As the preferred technical scheme of the clutch temperature measuring device, the wire further comprises a first connecting wire and a second connecting wire, the first connecting wire is connected between the first end of the flexible wire and the transmitting module, and the second connecting wire is connected between the second end of the flexible wire and the temperature sensor.

[0020] As the preferred technical scheme of the clutch temperature measuring device, the clutch temperature measuring device further comprises a battery arranged on the inner damping disc, and the battery is electrically connected with the transmitting module.

[0021] The clutch temperature measuring device provided by the application has at least the following beneficial effects:

[0022] The clutch temperature measuring device comprises a friction plate, a temperature sensor, a transmitting module, a wire, a first support and a second support. The friction plate comprises an inner damping disc and an outer friction disc coaxially sleeved on the inner damping disc. The outer friction disc is connected with the inner damping disc through damping springs, and can swing relative to the inner damping disc. The temperature sensor is arranged on the outer friction disc and is used for collecting the temperature of the outer friction disc. The transmitting module is arranged on the inner damping disc. The wire is connected between the temperature sensor and the transmitting module. The first support is installed on the outer edge of the inner damping disc. The second support is installed on the inner edge of the outer friction disc, and the second support and the first support are staggered along the circumferential direction of the friction plate. The wire comprises a flexible wire. The first end of the flexible wire is fixed to the first support, and the second end of the flexible wire is fixed to the second support. The two ends of the flexible wire are fixed through the first support and the second support, so that the flexible wire can be constrained and protected to a certain extent. When the outer friction disc swings relative to the inner damping disc, the flexible wire rolls and deforms synchronously under the constraint of the first support and the second support, so that folds are avoided, the service life of the flexible wire is prolonged, and the reliability of the clutch temperature measuring device is improved.

[0023] In another aspect, the present application provides a vehicle comprising the clutch temperature measuring device according to any one of the above-mentioned schemes. The vehicle further comprises a control terminal, which is in communication connection with the transmitting module.

[0024] The vehicle provided by the present application has at least the following beneficial effects:

[0025] The vehicle adopts the clutch temperature measuring device described above, the service life of the wire is long, and the reliability of the clutch temperature measuring device can be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 FIG. 1 is a structural schematic diagram of a clutch temperature measuring device in an embodiment of the present application;

[0027] Figure 2 FIG. 2 is a first partial structural schematic diagram of the clutch temperature measuring device in the embodiment of the present application;

[0028] Figure 3 FIG. 3 is a second partial structural schematic diagram of the clutch temperature measuring device in the embodiment of the present application;

[0029] Figure 4 FIG. 4 is a third partial structural schematic diagram of the clutch temperature measuring device in the embodiment of the present application;

[0030] Figure 5 FIG. 5 is a fourth partial structural schematic diagram of the clutch temperature measuring device in the embodiment of the present application;

[0031] Figure 6 FIG. 6 is a fifth partial structural schematic diagram of the clutch temperature measuring device in the embodiment of the present application.

[0032] In the drawings:

[0033] 11, inner damping disc; 12, outer friction disc; 13, damping spring;

[0034] 2, temperature sensor; 3, transmitting module;

[0035] 41, flexible wire; 411, first connecting section; 412, first buffering section; 413, rolling section; 414, second buffering section; 415, second connecting section; 42, first connecting wire; 43, second connecting wire;

[0036] 5, first support; 51, first circular arc groove;

[0037] 6, second support; 61, second circular arc groove;

[0038] 7, bolt; 8, wind shield; 9, battery; 10, power supply wire. DETAILED DESCRIPTION

[0039] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0040] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions, and moreover, the "above", "over" and "on" of the first feature to the second feature include the "directly above" and "obliquely above" of the first feature to the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "below", "under" and "under" of the first feature to the second feature include the "directly below" and "obliquely below" of the first feature to the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0041] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0042] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0043] The clutch temperature measuring device in the prior art is applied to a bench test, but this test scheme is inconsistent with the high-speed rotating state of the friction plate in the actual vehicle operation, the test temperature and other data have low reliability, and the real temperature of the clutch friction plate in the actual vehicle driving state cannot be more truly reflected. Some are applied to the actual vehicle, and the temperature of the friction plate is detected by the temperature sensor embedded in the outer friction disc of the friction plate. The temperature sensor is usually connected with the transmission module through a wire to transmit the temperature parameter detected by the temperature sensor to the external terminal through the transmission module. The transmission module is usually arranged on the inner damping disc of the friction plate, the wire crosses the inner damping disc and the outer friction disc, and the wire is exposed. The wire is easily damaged due to lack of protection, and the outer friction disc and the inner damping disc reciprocate relatively when the clutch works, which easily causes the wire to be damaged.

[0044] To this end, the present embodiment provides a clutch temperature measuring device to solve the above problems.

[0045] Please refer to Figures 1 to 5 The clutch temperature measuring device comprises a friction plate 1, a temperature sensor 2, a transmission module 3, a wire 4, a first support 5 and a second support 6.

[0046] Among them, the friction plate 1 comprises an inner damping disc 11 and an outer friction disc 12 coaxially sleeved on the inner damping disc 11, the outer friction disc 12 is connected with the inner damping disc 11 through damping springs 13, and the outer friction disc 12 can swing relative to the inner damping disc 11.

[0047] Specifically, a plurality of damping springs 13 are connected between the outer friction disc 12 and the inner damping disc 11, and the plurality of damping springs 13 are uniformly distributed along the circumferential direction of the inner damping disc 11, so that the outer friction disc 12 can relatively swing to a certain extent relative to the inner damping disc 11. Among them, in the acceleration working condition and the braking working condition, the relative swinging direction of the outer friction disc 12 and the inner damping disc 11 is opposite. Specifically, the relative swing angle of the inner damping disc 11 and the outer friction disc 12 when the damping spring 13 is naturally stretched is 0°, when the friction plate 1 works, the relative swing angle between the outer friction disc 12 and the inner damping disc 11 is [-a, b], and the maximum angle of the relative swing of the outer friction disc 12 and the inner damping disc 11 is β, β=a+b. Wherein, a and b are positive numbers. Exemplarily, in the embodiment, a=9°, b=11°, and in other embodiments, the values of a and b can also be set according to the specific model of the friction plate 1.

[0048] Please refer to Figure 1 The temperature sensor 2 is arranged on the outer friction disc 12 and is used to collect the temperature of the outer friction disc 12, the transmitting module 3 is arranged on the inner damping disc 11, the wire 4 is connected between the temperature sensor 2 and the transmitting module 3, and the transmitting module 3 is used to send the temperature parameter detected by the temperature sensor 2 to the control terminal.

[0049] Specifically, the temperature sensor 2 is embedded in the outer friction disc 12 to protect the temperature sensor 2. Among them, in the embodiment, the probe of the temperature sensor 2 is exposed to the outer friction disc 12, and the probe of the temperature sensor 2 is slightly lower than the surface of the outer friction disc 12, so as to protect the temperature sensor 2 and facilitate the collection of the real-time temperature of the surface of the outer friction disc 12 during the working process of the clutch by the temperature sensor 2.

[0050] Please refer to Figure 1 The first support 5 is installed on the outer edge of the inner damping disc 11, the second support 6 is installed on the inner edge of the outer friction disc 12, and the second support 6 and the first support 5 are staggered along the circumferential direction of the friction plate 1; the wire 4 includes a flexible wire 41, the first end of the flexible wire 41 is fixed to the first support 5, and the second end of the flexible wire 41 is fixed to the second support 6. By fixing the two ends of the flexible wire 41 through the first support 5 and the second support 6, the flexible wire 41 can be constrained and protected to a certain extent, and when the outer friction disc 12 relatively reciprocates relative to the inner damping disc 11, the flexible wire 41 synchronously rolls and deforms under the constraint of the first support 5 and the second support 6, which can avoid creases on the flexible wire 41 and prolong the service life of the flexible wire 41, and improve the reliability of the clutch temperature measuring device.

[0051] Please refer to Figure 6In the embodiment, the second support 6 and the first support 5 are staggered along the circumferential direction of the friction plate 1, which means that when the relative swing angle of the inner damping disc 11 and the outer friction disc 12 is 0°, the first support 5 and the second support 6 partially overlap and partially stagger in the circumferential direction of the friction plate 1, the circumferential angle corresponding to the overlapping part of the first support 5 and the second support 6 is about 20°, and the circumferential angle corresponding to the staggered part of the first support 5 and the second support 6 is about 4°. In this way, the problem that the amplitude of the forward and reverse swing of the outer friction disc 12 relative to the inner damping disc 11 is inconsistent can be solved.

[0052] Optionally, in the embodiment, the first support 5 is fixed to the inner damping disc 11 by a plurality of bolts 7, and the second support 6 is fixed to the outer friction disc 12 by a plurality of bolts 7. In other embodiments, the first support 5 can also be fixed to the inner damping disc 11 by adhesion, and the second support 6 can also be fixed to the outer friction disc 12 by adhesion.

[0053] Optionally, referring to Figure 1 , the wire 4 further comprises a first connecting wire 42 and a second connecting wire 43, the first connecting wire 42 is connected between the first end of the flexible wire 41 and the transmitting module 3, and the second connecting wire 43 is connected between the second end of the flexible wire 41 and the temperature sensor 2. The temperature parameter collected by the temperature sensor 2 is transmitted to the transmitting module 3 through the second connecting wire 43, the flexible wire 41 and the first connecting wire 42, and is wirelessly transmitted to the control terminal by the transmitting module 3. In the embodiment, the first connecting wire 42, the flexible wire 41 and the second connecting wire 43 can be separately arranged or integrally arranged.

[0054] Optionally, the first connecting wire 42 is fixed to the inner damping disc 11, and the second connecting wire 43 is fixed to the outer friction disc 12. The fixing mode of the first connecting wire 42 and the second connecting wire 43 can be wire harness fixing or adhesion.

[0055] Optionally, referring to Figures 2 to 6 , the flexible wire 41 is arranged in a U-shaped structure. It can be understood that the opening of the U-shaped structure is arranged along the circumferential direction of the friction plate 1. When the first support 5 moves relative to the second support 6, the flexible wire 41 can always maintain the U-shaped structure, and the lengths of the two sides of the U-shaped structure increase and decrease, respectively, so that the rolling deformation of the flexible wire 41 can avoid generating creases.

[0056] Optionally, the flexible wire 41 is a wire harness, which has a certain flexibility, and the circular arc bending part of the U-shaped structure has a certain tension, so that the wire harness can be well deformed and maintain the shape of the U-shaped structure when the first support 5 moves relative to the second support 6.

[0057] Optionally, referring to Figure 6The flexible wire 41 comprises a first connecting segment 411, a first buffering segment 412, a rolling segment 413, a second buffering segment 414 and a second connecting segment 415 connected in sequence, the first connecting segment 411 is fixedly connected with the first support 5, the first buffering segment 412 is coplanar with the first connecting segment 411, the second connecting segment 415 is fixedly connected with the second support 6, and the second buffering segment 414 is coplanar with the second connecting segment 415. When the outer friction disc 12 oscillates relative to the inner damping disc 11, the rolling segment 413 of the flexible wire 41 is rolled, the rolling segment 413 is in a U shape, and the two sides of the U shape increase and decrease during the rolling of the rolling segment 413. The first buffering segment 412 and the second buffering segment 414 are used to provide buffering during the rolling of the flexible wire 41, so as to avoid stress concentration at the first connecting segment 411 and the second connecting segment 415 and cause damage of the flexible wire 41.

[0058] Optionally, referring to Figure 6 In the embodiment, the first connecting segment 411 and the first buffering segment 412 are both in a circular arc shape, the second connecting segment 415 and the second buffering segment 414 are both in a circular arc shape, and the center of the circle of the first connecting segment 411, the center of the circle of the first buffering segment 412, the center of the circle of the second connecting segment 415 and the center of the circle of the second buffering segment 414 all coincide with the center of the circle of the friction plate 1.

[0059] In the embodiment, the total length of the flexible wire 41 is L, the length of the first connecting segment 411 and the second connecting segment 415 is L g , the length of the first buffering segment 412 and the second buffering segment 414 is L h , the maximum angle of oscillation of the outer friction disc 12 relative to the inner damping disc 11 is β, the radius of the first connecting segment 411 and the first buffering segment 412 is N r , the radius of the second connecting segment 415 and the second buffering segment 414 is W r , the distance between the first connecting segment 411 and the second connecting segment 415 along the radial direction of the friction plate 1 is 2R, and the length of the rolling segment 413 is L u The total length of the flexible wire 41 satisfies the following formula:

[0060] L=L u +2*(L g +L h );L u =(N r +W r )*π*β / 360+(W r -N r )*π / 2。

[0061] In this way, the length of the rolling segment 413 can be matched with the set angle range of oscillation of the outer friction disc 12 relative to the inner damping disc 11. Wherein, L g , Lh , β, N r , W r , and the value of R can be set according to the specific model of the friction plate 1; R = W r -N r The distance between the first connecting section 411 and the second connecting section 415 in the radial direction of the friction plate 1 is the diameter of the circular arc portion of the rolling section 413, so the radius of the circular arc portion of the rolling section 413 is R.

[0062] Optionally, referring to FIG. 1, the friction plate 1 can generate airflow when rotating, and the opening of the U-shaped structure faces the airflow direction. In this way, under the action of the airflow, the flexible wire 41 can be tensioned, and in particular for the rolling section 413, when the rolling section 413 is tensioned, the outer friction disc 12 oscillates relative to the inner damping disc 11, the rolling effect of the flexible wire 41 will be better, and the flexible wire 41 can be prevented from being damaged due to relaxation.

[0063] Optionally, referring to Figure 4 and Figure 5 , the first bracket 5 is provided with a first circular arc groove 51, and the second bracket 6 is provided with a second circular arc groove 61. The center of the first circular arc groove 51 and the center of the second circular arc groove 61 coincide with the center of the friction plate 1. The opening of the first circular arc groove 51 and the opening of the second circular arc groove 61 are opposite in the radial direction of the friction plate 1. In the circumferential direction of the friction plate 1, the first circular arc groove 51 penetrates through the first bracket 5, and the second circular arc groove 61 penetrates through the second bracket 6. The first end of the flexible wire 41 is fixed to the groove bottom surface of the first circular arc groove 51, and the second end of the flexible wire 41 is fixed to the groove bottom surface of the second circular arc groove 61. In this way, the position of the flexible wire 41 can be further constrained, and the flexible wire 41 can be prevented from being damaged by contacting other external components.

[0064] Optionally, referring to Figure 2 and Figure 3 , the clutch temperature measuring device further comprises a wind blocking piece 8, one end of the wind blocking piece 8 is connected to the second bracket 6, and the other end of the wind blocking piece 8 extends into the first circular arc groove 51. When the friction plate 1 rotates, airflow can be generated, and in the flow direction of the airflow, the wind blocking piece 8 is located upstream of the flexible wire 41. It can be understood that when the clutch is working, a large amount of airflow will be generated. By arranging the wind blocking piece 8, the force of the airflow on the rolling section 413 is reduced under the premise that the rolling section 413 can be tensioned by the airflow, so as to further protect the flexible wire 41.

[0065] Optionally, referring to Figure 1 , the clutch temperature measuring device further comprises a battery 9 arranged on the inner damping disc 11, and the battery 9 is electrically connected to the emission module 3. The battery 9 is used to power the emission module 3, and the battery 9 and the emission module 3 are electrically connected through a power supply wire 10.

[0066] The embodiment also provides a vehicle comprising the clutch temperature measuring device in the above scheme, and the vehicle further comprises a control terminal in communication connection with the transmitting module 3.

[0067] Obviously, the above embodiment of the present application is only an example for clearly illustrating the present application, and is not a limitation on the implementation manner of the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the implementation manners are not required or can not be exhausted. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A clutch temperature measuring device, comprising a friction plate (1), a temperature sensor (2), a transmitting module (3) and a wire (4), the friction plate (1) comprising an inner damping disc (11) and an outer friction disc (12) coaxially sleeved on the inner damping disc (11), the outer friction disc (12) being connected with the inner damping disc (11) through a damping spring (13), and the outer friction disc (12) being able to swing relative to the inner damping disc (11); the temperature sensor (2) being arranged on the outer friction disc (12) and used for collecting the temperature of the outer friction disc (12); the transmitting module (3) being installed on the inner damping disc (11); and the wire (4) being connected between the temperature sensor (2) and the transmitting module (3); characterized in that, The clutch temperature measuring device further comprises: A first support (5) is arranged on the outer edge of the inner damping disc (11); A second support (6) is arranged on the inner edge of the outer friction disc (12), and the second support (6) and the first support (5) are arranged alternately along the circumferential direction of the friction plate (1). The wire (4) comprises a flexible wire (41), the first end of the flexible wire (41) is fixed to the first support (5), and the second end of the flexible wire (41) is fixed to the second support (6). When the outer friction disc (12) reciprocates relative to the inner damping disc (11), the flexible wire (41) synchronously rolls and deforms under the constraint of the first support (5) and the second support (6), so that the flexible wire (41) can avoid creases.

2. The clutch temperature measuring device according to claim 1, wherein The flexible wire (41) is arranged in a U-shaped structure, and the opening of the U-shaped structure is arranged along the circumferential direction of the friction plate (1) and faces the airflow generated when the friction plate (1) rotates.

3. The clutch temperature measuring device according to claim 2, wherein The flexible wire (41) comprises a first connecting section (411), a first buffer section (412), a rolling section (413), a second buffer section (414) and a second connecting section (415) connected in sequence, the first connecting section (411) is fixedly connected with the first support (5), the first buffer section (412) is coplanar with the first connecting section (411), the second connecting section (415) is fixedly connected with the second support (6), the second buffer section (414) is coplanar with the second connecting section (415), and the rolling section (413) is in a U shape.

4. The clutch temperature measuring device according to claim 3, wherein The first connecting section (411) and the first buffer section (412) are both in a circular arc shape, the second connecting section (415) and the second buffer section (414) are both in a circular arc shape, and the center of the first connecting section (411), the center of the first buffer section (412), the center of the second connecting section (415) and the center of the second buffer section (414) all coincide with the center of the friction plate (1). The total length of the flexible wire (41) is L, the length of the first connecting segment (411) and the second connecting segment (415) is L g , the length of the first buffer segment (412) and the second buffer segment (414) is L h , the maximum angle of the outer friction disc (12) relative to the inner damping disc (11) is β, the radius of the first connecting segment (411) and the first buffer segment (412) is N r , the radius of the second connecting segment (415) and the second buffer segment (414) is W r , the distance between the first connecting segment (411) and the second connecting segment (415) along the radial direction of the friction disc (1) is 2R, and the length of the rolling segment (413) is L u ; L = L u + 2 x (L g + L h ); L u = (N r + W r ) x pi x beta / 360 + (W r - N r ) x pi / 2.

5. The clutch temperature measuring device of claim 1, wherein The first support (5) is provided with a first circular arc groove (51), the second support (6) is provided with a second circular arc groove (61), the center of the first circular arc groove (51) and the center of the second circular arc groove (61) both coincide with the center of the friction plate (1), the opening of the first circular arc groove (51) and the opening of the second circular arc groove (61) are opposite along the radial direction of the friction plate (1), the first circular arc groove (51) penetrates through the first support (5) along the circumferential direction of the friction plate (1), and the second circular arc groove (61) penetrates through the second support (6) along the circumferential direction of the friction plate (1). The first end of the flexible wire (41) is fixed to the groove bottom surface of the first circular arc groove (51), and the second end of the flexible wire (41) is fixed to the groove bottom surface of the second circular arc groove (61).

6. The clutch temperature measuring device of claim 5, wherein The clutch temperature measuring device further comprises a wind shield (8), one end of the wind shield (8) is connected to the second support (6), and the other end of the wind shield (8) extends into the first circular arc groove (51). When the friction plate (1) rotates, airflow can be generated, and the wind shield (8) is located upstream of the flexible wire (41) along the flow direction of the airflow.

7. The clutch temperature measuring device according to any one of claims 1 to 6, characterized in that The temperature sensor (2) is embedded in the outer friction disc (12).

8. The clutch temperature measuring device according to any one of claims 1 to 6, characterized by The wire (4) further comprises a first connecting wire (42) and a second connecting wire (43), the first connecting wire (42) is connected between the first end of the flexible wire (41) and the transmitting module (3), and the second connecting wire (43) is connected between the second end of the flexible wire (41) and the temperature sensor (2).

9. The clutch temperature measuring device according to any one of claims 1 to 6, characterized by The clutch temperature measuring device further comprises a battery (9) arranged on the inner damping disc (11), and the battery (9) is electrically connected with the transmitting module (3).

10. A vehicle characterized by comprising: The vehicle further comprises a control terminal, and the control terminal is in communication connection with the transmitting module (3).

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