Tire pressure sensor antenna

Abstract

The utility model relates to the field of antennas, and discloses a tire pressure sensor antenna which comprises an antenna body which is of a sheet-shaped structure and comprises a first transverse cantilever, a second transverse cantilever, a first vertical cantilever, a second vertical cantilever, a first pin and a second pin. Two ends of the first transverse cantilever are respectively connected with the first vertical cantilever and the second transverse cantilever, the other end of the second transverse cantilever is connected with the second vertical cantilever, a first included angle is formed between the first transverse cantilever and the first vertical cantilever, a second included angle is formed between the first transverse cantilever and the second transverse cantilever, the first vertical cantilever is connected with the first pin, and the second vertical cantilever is connected with the second pin. And the second vertical cantilever is connected with the second pin. The antenna body is in a bent shape through the first included angle and the second included angle, the radiation area of the antenna can be effectively increased through the shape, the signal receiving and sending efficiency can be improved, the antenna body can be compatible in multiple frequency bands, the universality is enhanced, the antenna can be suitable for tire pressure sensors of various vehicle types, and signals can be stably transmitted.

Description

Technical Field

[0001] This utility model relates to the field of antenna technology, and more specifically, to a tire pressure sensor antenna. Background Technology

[0002] With increasingly stringent safety requirements for automobiles, Tire Pressure Monitoring Systems (TPMS) have become widely used in the automotive industry. As a key component of TPMS, the performance of the tire pressure sensor directly affects the accuracy and reliability of the entire system. The antenna, as a crucial part of the tire pressure sensor for signal transmission, plays a vital role in both signal reception and transmission. However, existing tire pressure sensor antennas have some shortcomings in practical use. For example, some antennas have limited signal transmission distances and are susceptible to interference from vehicle metal parts and the surrounding environment, leading to signal instability or even loss, thus affecting the normal operation of the TPMS. Utility Model Content

[0003] To address at least one of the aforementioned problems, this utility model first provides a tire pressure sensor antenna, comprising an antenna body. The antenna body is a sheet-like structure, and includes a first lateral cantilever, a second lateral cantilever, a first vertical cantilever, a second vertical cantilever, a first pin, and a second pin. The two ends of the first lateral cantilever are respectively connected to the first vertical cantilever and the second lateral cantilever, and the other end of the second lateral cantilever is connected to the second vertical cantilever. A first angle is formed between the first lateral cantilever and the first vertical cantilever, and a second angle is formed between the first lateral cantilever and the second lateral cantilever. The first vertical cantilever is connected to the first pin, and the second vertical cantilever is connected to the second pin.

[0004] Optionally, the antenna body is provided with a shielding layer, which is made of copper foil or nickel.

[0005] Optionally, the antenna body is provided with reinforcing ribs that are recessed from the outside to the inside, and the reinforcing ribs are used to strengthen the antenna body.

[0006] Optionally, the first pin is a single pin and the second pin is a dual pin.

[0007] Optionally, the first included angle is in the range of 100 to 105 degrees.

[0008] Optionally, the range of the second included angle is 165 to 170 degrees.

[0009] Optionally, the antenna body is made of tin bronze.

[0010] Optionally, the tire pressure sensor antenna can receive signals of 430–440 Hz.

[0011] Optionally, the antenna body further includes a third lateral cantilever, the two ends of which are respectively connected to the first vertical cantilever and the first pin, the first pin being vertically arranged.

[0012] Optionally, the antenna body further includes a fourth lateral cantilever, the two ends of which are respectively connected to the second vertical cantilever and the second pin, the second pin being vertically arranged.

[0013] Compared to existing technologies, the tire pressure sensor antenna of this invention has a bent shape by setting a first angle and a second angle. This shape can effectively increase the antenna's radiation area, improve signal reception and transmission efficiency, enable the antenna to be multi-band compatible, enhance versatility, and be applicable to tire pressure sensors of various vehicle models, ensuring stable signal transmission. Attached Figure Description

[0014] Figure 1 This is a structural diagram of the tire pressure sensor antenna according to an embodiment of the present invention;

[0015] Figure 2 This is a front view of the tire pressure sensor antenna according to an embodiment of the present invention;

[0016] Figure 3 This is a connection structure diagram of the tire pressure sensor antenna and circuit board according to an embodiment of the present invention.

[0017] Explanation of reference numerals in the attached figures:

[0018] 1. First transverse cantilever; 2. Second transverse cantilever; 3. Third transverse cantilever; 4. Fourth transverse cantilever; 5. First vertical cantilever; 6. Second vertical cantilever; 7. First pin; 8. Second pin; 9. Reinforcing rib; α, First included angle; β, Second included angle. Detailed Implementation

[0019] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0020] The accompanying drawings of the embodiments of this utility model provide a coordinate system XYZ, where the positive direction of the X-axis represents the left and the negative direction of the X-axis represents the right, the positive direction of the Y-axis represents the front and the negative direction of the Y-axis represents the back, the positive direction of the Z-axis represents the top and the negative direction of the Z-axis represents the bottom.

[0021] This utility model embodiment provides a tire pressure sensor antenna, combined with Figures 1-3As shown, the antenna includes an antenna body, which is a sheet-like structure. The antenna body includes a first horizontal cantilever 1, a second horizontal cantilever 2, a first vertical cantilever 5, a second vertical cantilever 6, a first pin 7, and a second pin 8. The two ends of the first horizontal cantilever 1 are respectively connected to the first vertical cantilever 5 and the second horizontal cantilever 2. The other end of the second horizontal cantilever 2 is connected to the second vertical cantilever 6. A first included angle α is formed between the first horizontal cantilever 1 and the first vertical cantilever 5, and a second included angle β is formed between the first horizontal cantilever 1 and the second horizontal cantilever 2. The first vertical cantilever 5 is connected to the first pin 7, and the second vertical cantilever 6 is connected to the second pin 8.

[0022] like Figures 1 to 3 As shown, in this embodiment, the lateral cantilever is set laterally, and the vertical cantilever is set vertically. The installation and use method of the tire pressure sensor antenna is as follows: Install the antenna body onto the tire pressure sensor, ensuring a secure connection. When the vehicle starts, the tire pressure sensor begins to work. The signal detection module monitors the antenna's received signal in real time. During signal transmission, the shielding layer on the antenna surface resists external electromagnetic interference, ensuring stable signal transmission to the vehicle's receiving device. The vehicle's receiving device processes and analyzes the received signal, and the driver can monitor the tire status in real time through the in-vehicle display device.

[0023] The tire pressure sensor antenna of this invention has a bent shape by setting a first included angle α and a second included angle β. This shape can effectively increase the radiation area of ​​the antenna, improve the signal reception and transmission efficiency, enable the antenna body to be compatible with multiple frequency bands, enhance versatility, and can be applied to tire pressure sensors of various vehicle models, so as to ensure stable signal transmission.

[0024] Optionally, the antenna body is provided with a shielding layer (not shown), which is made of copper foil or nickel.

[0025] In this embodiment, the shielding layer is electroplated on the antenna body. The shielding layer can effectively block electromagnetic interference from vehicle metal parts and the surrounding environment, thereby improving signal stability.

[0026] Optionally, the antenna body is provided with reinforcing ribs 9 recessed from the outside to the inside, and the reinforcing ribs 9 are used to strengthen the antenna body.

[0027] like Figure 1 As shown, in this embodiment, the reinforcing rib 9 is provided on the first transverse cantilever 1, the second transverse cantilever 2, the first vertical cantilever 5, and the second vertical cantilever 6.

[0028] Optionally, the first pin 7 is a single pin, and the second pin 8 is a dual pin.

[0029] like Figure 1As shown, in this embodiment, the first pin 7 and the second pin 8 are set as single pin and double pin respectively, which is a mistake-proof design that can avoid errors when soldering to the circuit board later.

[0030] Optionally, the first included angle α is in the range of 100 to 105 degrees.

[0031] like Figure 2 As shown, in this embodiment, the angle α of the first included angle is 102 degrees.

[0032] Optionally, the range of the second included angle β is 165 to 170 degrees.

[0033] like Figure 2 As shown, in this embodiment, the angle of the second included angle β is 168 degrees.

[0034] Optionally, the antenna body is made of tin bronze.

[0035] Antennas made of tin bronze have the following characteristics:

[0036] Good conductivity: It can ensure good conduction of the device, thereby improving the signal transmission efficiency of the antenna.

[0037] Excellent corrosion resistance: This corrosion resistance allows the antenna to maintain stable performance even in harsh environments.

[0038] High strength and rigidity: It can withstand large tensile forces, is not easily deformed, and has a long service life. This is very important for antennas that need to operate stably for a long time.

[0039] Excellent machinability: Tin bronze possesses excellent machinability, including both cold working and hot pressure working, meeting a variety of complex processing requirements. This allows antennas to be easily molded into the desired shape and size.

[0040] Optionally, the tire pressure sensor antenna can receive signals of 430–440 Hz.

[0041] In this embodiment, the frequency received by the antenna is 433.92 Hz.

[0042] like Figures 1 to 3 As shown, optionally, the antenna body further includes a third horizontal cantilever 3, the two ends of which are respectively connected to the first vertical cantilever 5 and the first pin 7, and the first pin 7 is arranged vertically.

[0043] Optionally, the antenna body further includes a fourth lateral cantilever 4, the two ends of which are respectively connected to the second vertical cantilever 6 and the second pin 8, and the second pin 8 is arranged vertically.

[0044] like Figures 1 to 3 As shown, in this embodiment, the third lateral cantilever 3 and the fourth lateral cantilever 4 make the connection structure of the first pin 7 and the second pin 8 more stable. The projection of the third lateral cantilever 3 and the first lateral cantilever 1 in the vertical direction coincides, and the projection of the fourth lateral cantilever 4 and the second lateral cantilever 2 in the vertical direction coincides.

[0045] The first horizontal cantilever 1, the second horizontal cantilever 2, the first vertical cantilever 5, the second vertical cantilever 6, the third horizontal cantilever 3, the fourth horizontal cantilever 4, the first pin 7, and the second pin 8 are connected by electroplating or integrally formed.

[0046] The tire pressure sensor antenna in this application has the following advantages:

[0047] Significantly improved signal transmission stability: The antenna design adapts to complex environmental changes, improving signal transmission stability by 10%, effectively reducing signal interruptions and bit errors, and ensuring accurate and timely transmission of tire pressure data.

[0048] Enhanced anti-interference capability: The shielding layer enables the antenna to effectively resist external electromagnetic interference, operate stably in complex electromagnetic environments, reduce signal distortion by 5%, and improve the reliability of the tire pressure monitoring system.

[0049] Enhanced versatility: The multi-band compatible design makes the antenna suitable for tire pressure monitoring systems of various vehicle models, eliminating the need for separate designs for different models, reducing production costs and R&D cycles, and offering broad market application prospects.

[0050] Similarly, the components included in the "components," "mechanisms," and "devices" of this disclosure can also be flexibly combined. They can be modularly produced according to actual needs and assembled as an independent module; or they can be assembled separately to form a module in this device. The division of the above-mentioned components in this disclosure is only one embodiment for ease of reading and is not intended to limit the scope of protection of this disclosure. Any technical solution that includes the above-mentioned components and has the same function should be understood as an equivalent technical solution of this disclosure.

[0051] In the description of this disclosure, 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," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this disclosure 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 disclosure.

[0052] Furthermore, the terms "first," "second," etc., 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 with "first," "second," etc., may explicitly or implicitly include at least one of that feature. In the description of this disclosure, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0053] In this disclosure, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed 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, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances.

[0054] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0055] It should be noted that when a component is referred to as "fixed to," "set on," "fixed to," or "mounted on" another component, it can be directly on the other component or there may be an intervening component. When a component is considered to be "connected to another component," it can be directly connected to the other component or there may be an intervening component. Furthermore, when a component is considered to be "fixedly connected" to another component, the connection can be detachable or non-detachable, such as through socketing, snap-fitting, integral molding, welding, etc., which are achievable in conventional technologies and will not be elaborated upon here.

[0056] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0057] The above embodiments are merely illustrative of several implementation methods of this disclosure, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the inventive concept of this disclosure, and these modifications and improvements all fall within the protection scope of this disclosure.

Claims

1. A tire pressure sensor antenna characterized by, The antenna body is a sheet structure, comprising a first transverse cantilever (1), a second transverse cantilever (2), a first vertical cantilever (5), a second vertical cantilever (6), a first pin (7) and a second pin (8), two ends of the first transverse cantilever (1) are connected with the first vertical cantilever (5) and the second transverse cantilever (2) respectively, the other end of the second transverse cantilever (2) is connected with the second vertical cantilever (6), a first included angle (α) is formed between the first transverse cantilever (1) and the first vertical cantilever (5), a second included angle (β) is formed between the first transverse cantilever (1) and the second transverse cantilever (2), the first vertical cantilever (5) is connected with the first pin (7), and the second vertical cantilever (6) is connected with the second pin (8).

2. The tire pressure sensor antenna according to claim 1, wherein, A shielding layer is arranged outside the antenna body, and the shielding layer is made of copper foil or nickel.

3. The tire pressure sensor antenna of claim 1, wherein, The antenna body is concave outwardly and inwardly and is provided with a reinforcing rib (9) for strengthening the strength of the antenna body.

4. The tire pressure sensor antenna of claim 1, wherein, The first pin (7) is a single pin, and the second pin (8) is a double pin.

5. The tire pressure sensor antenna of claim 1, wherein, The first included angle (α) ranges from 100 to 105 degrees.

6. The tire pressure sensor antenna of claim 1, wherein, The second included angle (β) ranges from 165 to 170 degrees.

7. The tire pressure sensor antenna of claim 1, wherein, The antenna body is made of tin bronze.

8. The tire pressure sensor antenna of claim 1, wherein, The tire pressure sensor antenna can receive a signal of 430-440 Hz.

9. The tire pressure sensor antenna according to any one of claims 1 to 8, wherein The antenna body further comprises a third transverse cantilever (3), two ends of the third transverse cantilever (3) are connected with the first vertical cantilever (5) and the first pin (7) respectively, and the first pin (7) is vertically arranged.

10. The tire pressure sensor antenna of claim 9, wherein, The antenna body further comprises a fourth transverse cantilever (4), two ends of the fourth transverse cantilever (4) are connected with the second vertical cantilever (6) and the second pin (8) respectively, and the second pin (8) is vertically arranged.

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