Tire pressure sensor and tire thereof

Abstract

The tire pressure sensor comprises a shell assembly and a tire pressure detection assembly, a containing space is arranged in the shell assembly, the tire pressure detection assembly is assembled in the containing space, the tire pressure detection assembly comprises an electric control board and an onboard antenna, the electric control board is connected with the onboard antenna, and the onboard antenna is connected with the shell assembly. The onboard antenna is provided with a connecting male head, the electric control board is provided with a connecting female head, and the connecting male head is inserted into the connecting female head, so that the onboard antenna is connected to the electric control board. Through the mode, tight and stable mechanical connection and electrical connection are formed between the onboard antenna and the electric control board, so that shaking between the antenna and the electric control board is prevented, the stability of signal transmission is ensured, and the tire pressure sensor can continuously and stably transmit tire pressure data to a receiving system of a vehicle; and the use stability of the tire pressure sensor is improved.

Description

Technical Field

[0001] This utility model relates to the field of tire pressure monitoring technology, and in particular to a tire pressure sensor and a tire thereof. Background Technology

[0002] Tire pressure sensors, as standard equipment in automobiles, are used to monitor the internal pressure and temperature of vehicle tires in real time and transmit the data to the driver in the cab. This helps prevent traffic accidents caused by insufficient or excessive tire pressure, leaks, or overheating, thus ensuring driving safety. However, during vehicle operation, the antenna inside the tire pressure sensor is prone to vibration with the electronic control board, leading to a decrease in antenna signal strength and consequently, reduced stability of the tire pressure sensor. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a tire pressure sensor and its tire to solve the technical problem that when a vehicle is in motion, the antenna inside the tire pressure sensor is prone to shaking with the electronic control board, resulting in a decrease in the signal strength of the antenna and thus low stability of the tire pressure sensor.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] In a first aspect, embodiments of the present invention provide a tire pressure sensor, comprising: a housing assembly and a tire pressure detection assembly, wherein the housing assembly has a receiving space, the tire pressure detection assembly is assembled in the receiving space, and the tire pressure detection assembly includes: an electronic control board and an onboard antenna, wherein the onboard antenna has a male connector, the electronic control board has a female connector, the male connector is inserted into the female connector, such that the onboard antenna is connected to the electronic control board.

[0006] In one specific embodiment, the male connector includes a first connecting portion, and the female connector has a first opening corresponding to the position of the first connecting portion, wherein the first connecting portion is inserted into the first opening.

[0007] In one specific embodiment, the male connector further includes a second connecting portion, and the female connector has a second opening corresponding to the position of the second connecting portion, the second connecting portion being inserted into the second opening.

[0008] In one specific embodiment, the onboard antenna includes: a substrate and a radiating element, the radiating element being attached to the substrate, the radiating element including a plurality of radiating patches, the plurality of radiating patches being electrically connected to each other and arranged around the periphery of the substrate.

[0009] In one specific embodiment, the radiating patch extends to the first connecting portion.

[0010] In one specific embodiment, the housing assembly includes an upper shell and a bottom cover, the upper shell covering the bottom cover to form the receiving space, a protective groove being provided inside the upper shell, and the onboard antenna extending into the protective groove.

[0011] In one specific embodiment, the tire pressure sensor further includes a valve stem and a fastener, the upper housing is provided with an adjustment groove, and one end of the fastener passes through the adjustment groove and is connected to the valve stem.

[0012] In one specific embodiment, the fastener has a fitting part corresponding to the position of the adjustment groove, the fitting part is fitted into the adjustment groove, and the width of the fitting part is adapted to the width of the adjustment groove.

[0013] In one specific embodiment, the upper shell is provided with a ball seat on the side near the valve stem, the adjustment groove communicates with the ball seat, the valve stem is provided with a ball head corresponding to the position of the ball seat, and one end of the fastener passes through the adjustment groove and the ball seat, so that the ball head is connected to the ball seat.

[0014] Secondly, an embodiment of the present invention provides a tire, comprising: a hub and at least one tire pressure sensor as described above, wherein the tire pressure sensor is mounted on the hub.

[0015] The beneficial effects of this utility model are:

[0016] Compared with the prior art, the tire pressure sensor proposed in this utility model has a male connector on the onboard antenna and a female connector on the electronic control board. The male connector is plugged into the female connector, so that the onboard antenna is connected to the electronic control board. This forms a tight and stable mechanical and electrical connection between the onboard antenna and the electronic control board, thereby preventing the antenna and the electronic control board from shaking, ensuring the stability of signal transmission, and enabling the tire pressure sensor to continuously and stably transmit tire pressure data to the vehicle's receiving system, thus improving the stability of the tire pressure sensor in use.

[0017] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model, it can be implemented according to the contents of the specification. In order to make the above and other objects, features and advantages of this utility model more obvious and easy to understand, the following are preferred embodiments, which are described in detail below. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of a tire pressure sensor according to an embodiment of the present invention;

[0019] Figure 2 This is a schematic diagram of the internal structure of the housing assembly in a tire pressure sensor according to an embodiment of the present invention;

[0020] Figure 3 A schematic diagram of the separation structure of the housing assembly, valve stem, and fasteners in a tire pressure sensor according to an embodiment of the utility model;

[0021] Figure 4 This is a schematic diagram of the tire pressure detection component in a tire pressure sensor according to an embodiment of the present invention;

[0022] Figure 5 This is a schematic diagram of an onboard antenna structure in a tire pressure sensor according to an embodiment of the present invention;

[0023] Figure 6 This is a schematic diagram of the connection relationship between the onboard antenna and the electronic control board in a tire pressure sensor according to an embodiment of the present invention;

[0024] Figure 7 This is a schematic diagram of an overall tire structure proposed in an embodiment of the present invention.

[0025] Explanation of reference numerals in the attached figures:

[0026] 10. Tire pressure sensor; 11. Housing assembly; 111. Upper shell; 1111. Protective groove; 1112. Through hole; 1113. Adjustment groove; 1114. Ball seat; 112. Bottom cover; 113. Accommodation space; 12. Tire pressure detection assembly; 121. Electronic control board; 1211. Connecting female connector; 12111. First opening; 12112. Second opening; 122. Onboard antenna; 1221. Connecting male connector Head; 12211, First connecting part; 12212, Second connecting part; 1222, Substrate; 1223, Radiation element; 12231, Radiation patch; 1224, First end; 1225, Transition section; 1226, Second end; 123, Detection element; 124, Power supply; 13, Valve nozzle; 131, Ball head; 14, Fastener; 141, Fitting part; 1411, Limiting surface; 20, Hub. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0029] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0031] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0033] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. The illustrative expressions of the above terms in this specification should not be construed as necessarily referring to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0034] Example

[0035] Firstly, please refer to Figures 1 to 6 This utility model embodiment proposes a tire pressure sensor 10, including: a housing assembly 11 and a tire pressure detection assembly 12. The housing assembly 11 has a receiving space 113, and the tire pressure detection assembly 12 is assembled in the receiving space 113. The tire pressure detection assembly 12 includes: an electronic control board 121 and an onboard antenna 122. The onboard antenna 122 is provided with a male connector 1221, and the electronic control board 121 is provided with a female connector 1211. The male connector 1221 is plugged into the female connector 1211, so that the onboard antenna 122 is connected to the electronic control board 121.

[0036] It should be noted that the tire pressure monitoring assembly 12 also includes a detection element 123 and a power supply 124. The detection element 123 is electrically connected to the electronic control board 121, and the power supply 124 is electrically connected to the electronic control board 121, the detection element 123, and the onboard antenna 122, and supplies power to the electronic control board 121, the detection element 123, and the onboard antenna 122. The upper shell 111 of the housing assembly 11 has a through hole 1112 corresponding to the detection element 123. When the tire pressure sensor 10 is used in the tire, the gas inside the tire contacts the detection element 123 through the through hole 1112, simultaneously measuring the air pressure and temperature inside the tire.

[0037] Specifically, the onboard antenna 122 is directly connected to the female connector 1211 of the electronic control board 121 via a male connector 1221, forming a tight and stable mechanical connection between the onboard antenna 122 and the electronic control board 121. This reduces relative displacement caused by vibration during vehicle operation, preventing wobbling between the antenna and the electronic control board 121 and ensuring stable signal transmission. Simultaneously, the cooperation between the male connector 1221 and the female connector 1211 not only ensures a stable mechanical connection between the onboard antenna 122 and the electronic control board 121, but also guarantees a good electrical connection between them. This reduces signal loss and interference during transmission, improves signal strength stability, and enables the tire pressure sensor 10 to continuously and stably transmit tire pressure data to the vehicle's receiving system. This avoids data loss or errors due to signal instability, improving the operational stability of the tire pressure sensor 10.

[0038] The tire pressure sensor 10 proposed in this embodiment has a male connector 1221 on the onboard antenna 122 and a female connector 1211 on the electronic control board 121. The male connector 1221 is plugged into the female connector 1211, so that the onboard antenna 122 is connected to the electronic control board 121. This forms a tight and stable mechanical and electrical connection between the onboard antenna 122 and the electronic control board 121, thereby preventing the antenna from shaking with the electronic control board 121, ensuring the stability of signal transmission, and enabling the tire pressure sensor 10 to continuously and stably transmit tire pressure data to the vehicle's receiving system, thus improving the operational stability of the tire pressure sensor 10.

[0039] Please see Figure 5 and Figure 6 The male connector 1221 includes a first connecting part 12211, and the female connector 1211 has a first opening 12111 at the position corresponding to the first connecting part 12211, and the first connecting part 12211 is inserted into the first opening 12111.

[0040] Specifically, the first connection portion 12211 of the male connector 1221 on the onboard antenna 122 is inserted into the first opening 12111 of the female connector 1211 on the electronic control board 121, so that a tight mechanical and electrical connection is formed between the onboard antenna 122 and the electronic control board 121, so that the signal is transmitted stably and the stability of the tire pressure sensor 10 is improved.

[0041] In this embodiment, the first connecting portion 12211 is formed by protruding downward from the center of the bottom end of the substrate 1222, which improves the connection stability between the onboard antenna 122 and the electronic control board 121. During vehicle operation, even if encountering significant vibrations and impacts, the onboard antenna 122 and the electronic control board 121 maintain a stable connection, avoiding signal transmission interruption due to loose connection, thus improving the operational stability of the tire pressure sensor 10 and enhancing vehicle driving safety.

[0042] Please refer to it again. Figure 5 and Figure 6 The male connector 1221 further includes a second connecting part 12212, and the female connector 1211 has a second opening 12112 at the position corresponding to the second connecting part 12212, and the second connecting part 12212 is inserted into the second opening 12112.

[0043] Specifically, by inserting the second connecting part 12212 into the second opening 12112 and the first connecting part 12211 into the first opening 12111, a two-point fixed connection between the onboard antenna 122 and the electronic control board 121 is achieved, which further improves the connection stability between the onboard antenna 122 and the electronic control board 121.

[0044] Please refer to it again. Figure 5 and Figure 6 In one embodiment, a second connecting portion 12212 is also provided on the other side of the bottom of the onboard antenna 122. The second connecting portions 12212 on both sides of the onboard antenna 122 are symmetrical about the first connecting portion 12211. A feed source (not shown in the figure) is mounted on the second connecting portion 12212 on one side of the bottom of the onboard antenna 122, and a ground electrode (not shown in the figure) is mounted on the second connecting portion 12212 on the other side of the bottom of the onboard antenna 122. By symmetrically arranging the feed source and the ground electrode on both sides of the onboard antenna 122, interference and noise during signal transmission are reduced, and the stability and reliability of the signal are improved. This allows the onboard antenna 122 to reasonably arrange various components in the limited space 113, improving space utilization and making the onboard antenna 122 more compact.

[0045] In this embodiment, the second connecting part 12212 is formed by protruding downward from the front of the bottom end of the substrate 1222. It cooperates with the first connecting part 12211 to jointly bear the weight and dynamic load of the onboard antenna 122, reduce the shaking phenomenon caused by single-point support, and improve the stability of the connection between the electronic control board 121 and the onboard antenna 122.

[0046] Please see Figure 5 The onboard antenna 122 includes a substrate 1222 and a radiating element 1223. The radiating element 1223 is attached to the substrate 1222. The radiating element 1223 includes a plurality of radiating patches 12231. The plurality of radiating patches 12231 are electrically connected to each other and arranged around the periphery of the substrate 1222.

[0047] Specifically, the on-board antenna 122 is based on the principle of wavelength shortening, which reduces the propagation speed of electromagnetic waves, concentrates the electric field at the interface between the radiating element 1223 and the substrate 1222, reduces edge radiation loss, improves radiation efficiency, increases energy distribution in space, and enhances the radiation efficiency of the on-board antenna 122. Furthermore, it is smaller in size than antennas with the same transmission power, achieving antenna miniaturization. Moreover, multiple radiating patches 12231, when electrically connected to each other, can form a unified radiation system within the operating frequency band. When current flows through the radiating patch 12231, each radiating patch 12231 generates electromagnetic radiation, causing the radiating patch 12231 to produce a synergistic radiation effect within the operating frequency band. This causes electromagnetic waves to superimpose and interfere with each other in space, radiating outwards in a specific direction and intensity, thus transmitting the signal and stabilizing the antenna's radiation performance. The patches are arranged along the edge of the substrate 1222, increasing the transmitting area of ​​the onboard antenna 122 and exciting a ring-shaped surface current. The radiation fields of this current are superimposed in a direction perpendicular to the plane of the substrate 1222, reducing signal loss and improving signal transmission quality.

[0048] Preferably, in this embodiment, the substrate 1222 is made of PCB material. PCB material has a stable dielectric constant and low loss factor, which enables electromagnetic waves to propagate stably in the dielectric layer, reduces signal attenuation and distortion during transmission, and ensures the radiation efficiency and signal quality of the onboard antenna 122. At the same time, PCB material has high mechanical strength and rigidity, which can provide stable physical support for the radiating element 1223, thereby ensuring the stability of the onboard antenna 122 in use. PCB material is easy to process and manufacture onboard antenna 122, reducing production costs.

[0049] Please refer to it again. Figure 5 The radiating patch 12231 extends to the first connecting portion 12211, increasing the radiation frequency of the onboard antenna 122 in the case of limited space 113, so that the onboard antenna 122 of this embodiment can transmit stronger signals or achieve communication over a greater distance with the same power input.

[0050] Please refer to it again. Figure 5 In one embodiment, the onboard antenna 122 includes: a first end 1224, a second end 1226 and a transition section 1225, one end of the transition section 1225 is connected to the first end 1224 and the other end of the transition section 1225 is connected to the second end 1226. The horizontal height of the first end 1224 is higher than that of the second end 1226.

[0051] Specifically, the horizontal height of the first end 1224 of the onboard antenna 122 is higher than that of the second end 1226, which changes the current distribution and electromagnetic field radiation mode of the onboard antenna 122 in space. The height difference between the first end 1224 and the second end 1226 of the onboard antenna 122 causes a difference in the propagation path and phase of electromagnetic waves between the first end 1224 and the second end 1226 during operation, thereby optimizing the radiation pattern of the onboard antenna 122. This allows the signal to be radiated more concentratedly in a specific direction, enhancing the signal strength in the target area and improving the directivity and coverage of the onboard antenna 122. Furthermore, when current flows in the antenna, the transition section 1225, as an intermediate connection part, can smoothly guide the current from the first end 1224 to the second end 1226, reducing the reflection and scattering of electromagnetic waves at the connection point, thereby reducing signal loss and improving the radiation efficiency of the onboard antenna 122.

[0052] Please see Figure 2 The housing assembly 11 includes an upper shell 111 and a bottom cover 112. The upper shell 111 covers the bottom cover 112 to form an accommodating space 113. A protective groove 1111 is provided inside the upper shell 111, and the onboard antenna 122 extends into the protective groove 1111.

[0053] Specifically, the onboard antenna 122 is vertically connected to the electronic control board 121 and placed in the protective groove 1111 of the upper shell 111, which improves the utilization rate of the accommodating space 113 and makes the entire tire pressure sensor 10 structure more compact. The onboard antenna 122 extends into the protective groove 1111 of the upper shell 111, which reduces electromagnetic interference between the onboard antenna 122 and other electronic components on the electronic control board 121 and improves the stability of signal transmission.

[0054] Please see Figure 4 In this embodiment, the power supply 124 and the tire pressure detection component 12 are symmetrically arranged along the length of the bottom cover 112. By symmetrically arranging the power supply 124 and the tire pressure detection component 12 along the length of the bottom cover 112, the center of mass of the two is located on the central axis of the bottom cover 112. When the tire rotates, the centrifugal forces are opposite in direction and equal in magnitude, and the resultant torque approaches zero, thereby eliminating tire dynamic balance deviation and improving vehicle driving safety. At the same time, the housing space 113 inside the housing component 11 is fully utilized to reduce the overall volume of the tire pressure sensor 10, thereby miniaturizing the tire pressure sensor 10.

[0055] Please refer to it again. Figure 4The onboard antenna 122 and the power supply 124 are symmetrically arranged about the central axis of the bottom cover 112. The onboard antenna 122 is perpendicular to the electronic control board 121 (i.e., along the tire axis), so that the signal radiation direction is parallel to the tire rotation axis, reducing the reflection attenuation of electromagnetic waves by the metal hub 20. The antenna and the power supply 124 are symmetrically distributed, maximizing the distance between them, and the magnetic field direction of the power supply 124 is perpendicular to the antenna radiation direction, reducing coupling interference.

[0056] Please see Figure 1 and Figure 3 The tire pressure sensor 10 also includes a valve stem 13 and a fastener 14. The upper housing 111 is provided with an adjustment groove 1113, and one end of the fastener 14 passes through the adjustment groove 1113 and is connected to the valve stem 13.

[0057] Specifically, the valve stem 13 is connected to the housing assembly 11 via fastener 14, facilitating the installation and removal of the tire pressure sensor 10 on the tire. An adjustment groove 1113 is provided on the upper housing 111 to increase the lateral swing range of the fastener 14, thereby improving the adaptability of the tire pressure sensor 10 and making it suitable for various wheel rims. When the wheel rim angle is small, the valve stem 13 moves downwards under the action of external force; when the wheel rim angle is large, the process is the opposite.

[0058] Please see Figure 3 The fastener 14 is provided with a fitting part 141 at the position corresponding to the adjustment groove 1113. The fitting part 141 is fitted into the adjustment groove 1113, and the width of the fitting part 141 is adapted to the width of the adjustment groove 1113.

[0059] Specifically, at least one limiting surface 1411 is provided on the periphery of the fitting part 141. The limiting surface 1411 cooperates with the corresponding side wall of the adjusting groove 1113 to limit the rotation of the fastener 14. In this embodiment, four limiting surfaces 1411 are provided on the periphery of the fitting part 141. The width of the fitting part 141 is adapted to the width of the adjusting groove 1113. When the fastener 14 passes through the adjusting groove 1113 and connects with the valve stem 13, the fitting part 141 on the fastener 14 is fitted into the adjusting groove 1113, and the limiting surface 1411 abuts against the two side walls of the adjusting groove 1113, thereby preventing the fastener 14 from rotating relative to the adjusting groove 1113.

[0060] Please refer to it again. Figure 3 The upper shell 111 is provided with a ball seat 1114 on the side near the valve stem 13. The adjustment groove 1113 is connected to the ball seat 1114. The valve stem 13 is provided with a ball head 131 at the position corresponding to the ball seat 1114. One end of the fastener 14 passes through the adjustment groove 1113 and the ball seat 1114, so that the ball head 131 is connected to the ball seat 1114.

[0061] Specifically, the fastener 14 passes sequentially through the adjustment groove 1113 and ball seat 1114 of the upper housing 111 and connects to the connector on the valve stem 13, forming a relatively locking mechanical structure. This ensures that the tire pressure sensor 10 can be stably installed on the tire, preventing the tire pressure sensor 10 from loosening or falling off due to vibrations, centrifugal force, or tire deformation during vehicle operation. Simultaneously, the connecting cavity provides a precise mating space for the connection between the fastener 14 and the connector, ensuring that the fastener 14 can accurately connect with the connector, achieving a secure connection between the housing assembly 11 and the valve stem 13.

[0062] In this embodiment, the inner wall of the ball seat 1114 has the same curvature as the outer wall of the ball head 131, making the stress distribution on the contact surface of the ball head 131 and the ball seat 1114 uniform. The stress generated when subjected to centrifugal force from tire rotation or vibration during vehicle operation can be uniformly transmitted to the entire contact surface, rather than concentrated in a local area, avoiding stress concentration and improving the connection stability between the valve 13 and the housing assembly 11.

[0063] Secondly, embodiments of the present invention provide a tire, comprising: a hub 20 and at least one tire pressure sensor 10 as described above, the tire pressure sensor 10 being mounted on the hub 20.

[0064] Specifically, the tire pressure sensor 10 is applied to the tire, so the beneficial effects of the tire are the same as the beneficial effects of the tire pressure sensor 10.

[0065] Compared with the prior art, the tire pressure sensor 10 proposed in this utility model has a male connector 1221 on the onboard antenna 122 and a female connector 1211 on the electronic control board 121. The male connector 1221 is plugged into the female connector 1211, so that the onboard antenna 122 is connected to the electronic control board 121. This forms a tight and stable mechanical and electrical connection between the onboard antenna 122 and the electronic control board 121, thereby preventing the antenna from shaking with the electronic control board 121, ensuring the stability of signal transmission, and enabling the tire pressure sensor 10 to continuously and stably transmit tire pressure data to the vehicle's receiving system, thus improving the stability of the tire pressure sensor 10 in use.

[0066] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this utility model, and these modifications or substitutions should all be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A tire pressure sensor characterized by, The tire pressure sensor comprises a shell assembly and a tire pressure detection assembly, the shell assembly is internally provided with a containing space, and the tire pressure detection assembly is assembled in the containing space. The connecting male head comprises a first connecting part, and the connecting female head is provided with a first opening corresponding to the position of the first connecting part, and the first connecting part is inserted into the first opening.

2. The tire pressure sensor of claim 1, wherein, The connecting male head further comprises a second connecting part, and the connecting female head is provided with a second opening corresponding to the position of the second connecting part, and the second connecting part is inserted into the second opening.

3. The tire pressure sensor of claim 1, wherein, The onboard antenna comprises a substrate and a radiation element, the radiation element is attached to the substrate, and the radiation element comprises a plurality of radiation patches, the plurality of radiation patches are electrically connected to each other and arranged at the periphery of the substrate.

4. The tire pressure sensor of claim 2, wherein, The radiation patch extends to the first connecting part.

5. The tire pressure sensor of claim 4, wherein, The shell assembly comprises an upper shell and a bottom cover, the upper shell covers the bottom cover to form the containing space, the upper shell is internally provided with a protection groove, and the onboard antenna extends into the protection groove.

6. The tire pressure sensor of claim 2, wherein, The tire pressure sensor further comprises a valve and a fastener, the upper shell is provided with an adjusting groove, one end of the fastener passes through the adjusting groove and is connected with the valve.

7. The tire pressure sensor of claim 6, wherein, The fastener is provided with a fitting part corresponding to the position of the adjusting groove, the fitting part is embedded in the adjusting groove, and the width of the fitting part is matched with the width of the adjusting groove.

8. The tire pressure sensor of claim 7, wherein, One side of the upper shell close to the valve is provided with a ball seat, the adjusting groove communicates with the ball seat, the valve is provided with a ball head corresponding to the position of the ball seat, and one end of the fastener passes through the adjusting groove and the ball seat, so that the ball head is connected to the ball seat.

9. The tire pressure sensor of claim 7, wherein, The tire pressure sensor comprises a shell assembly and a tire pressure detection assembly, the shell assembly is internally provided with a containing space, and the tire pressure detection assembly is assembled in the containing space.

10. A tire characterized by The connecting male head comprises a first connecting part, and the connecting female head is provided with a first opening corresponding to the position of the first connecting part, and the first connecting part is inserted into the first opening. The connecting male head further comprises a second connecting part, and the connecting female head is provided with a second opening corresponding to the position of the second connecting part, and the second connecting part is inserted into the second opening. The onboard antenna comprises a substrate and a radiation element, the radiation element is attached to the substrate, and the radiation element comprises a plurality of radiation patches, the plurality of radiation patches are electrically connected to each other and arranged at the periphery of the substrate. The radiation patch extends to the first connecting part. The shell assembly comprises an upper shell and a bottom cover, the upper shell covers the bottom cover to form the containing space, the upper shell is internally provided with a protection groove, and the onboard antenna extends into the protection groove. The tire pressure sensor further comprises a valve and a fastener, the upper shell is provided with an adjusting groove, one end of the fastener passes through the adjusting groove and is connected with the valve. The fastener is provided with a fitting part corresponding to the position of the adjusting groove, the fitting part is embedded in the adjusting groove, and the width of the fitting part is matched with the width of the adjusting groove. One side of the upper shell close to the valve is provided with a ball seat, the adjusting groove communicates with the ball seat, the valve is provided with a ball head corresponding to the position of the ball seat, and one end of the fastener passes through the adjusting groove and the ball seat, so that the ball head is connected to the ball seat. The tire pressure sensor comprises a shell assembly and a tire pressure detection assembly, the shell assembly is internally provided with a containing space, and the tire pressure detection assembly is assembled in the containing space.

Images