CN219312430U

CN219312430U - Tire pressure sensor shell, tire pressure sensor and tire

Info

Publication number: CN219312430U
Application number: CN202320839387.4U
Authority: CN
Inventors: 贲维嘉
Original assignee: Guilin Yunfeng Automobile Industry Service Co ltd
Current assignee: Guilin Yunfeng Automobile Industry Service Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-07-07
Anticipated expiration: 2033-04-14

Abstract

The utility model provides a tire pressure sensor shell, a tire pressure sensor and a tire, which relate to the technical field of tire pressure detection and aim to solve the problem that a circuit board is easy to damage in the process of replacing a battery in the tire pressure sensor in the prior art. The tire pressure sensor shell protects the circuit board, avoids the damage of the circuit board in the process of replacing the battery, facilitates the replacement of the battery and prolongs the service life of the tire pressure sensor.

Description

Tire pressure sensor shell, tire pressure sensor and tire

Technical Field

The utility model relates to the technical field of tire pressure detection, in particular to a tire pressure sensor shell, a tire pressure sensor and a tire.

Background

The safe running of the automobile is closely related to the tire pressure of the tire, and whether the tire pressure of the automobile tire normally affects the service life of the automobile tire, the operational stability, the comfort, the safety and the like of the running of the automobile. In order to monitor real-time changes in the tire pressure of a running vehicle, tire pressure sensors are commercially available. Tire sensors are typically mounted on the tire valve inside the vehicle tire to monitor pressure information inside the vehicle tire as the tire rotates at high speeds.

The tire pressure sensor that uses on the market at present generally adopts the lead-filling to seal the design, can't dismantle, in case the battery runs out, because seal the design and can't change the battery, just must change whole tire pressure sensor, this kind of design has improved tire pressure sensor's use cost greatly, is unfavorable for saving the comparatively extravagant of resource. In addition, some tire sensors are sealed by filling sealant, and the tire sensors can replace internal batteries by unsealing the sealant after the battery is out of charge, but the batteries are replaced after the sealant in the shell is removed in the replacement process, and the circuit board is easily touched in the operation process, so that the circuit board is damaged.

Patent CN 211166267U discloses a tire pressure monitoring sensor and a tire, comprising a printed circuit board PCBA, a near field communication NFC chip, an NFC antenna and a housing; the NFC antenna and the PCBA are arranged in a space formed by the shell; the NFC chip is arranged on the PCBA and is connected with the NFC antenna; the NFC antenna transmits data received through NFC technology to the NFC chip, and the shell comprises a face shell and a bottom shell. This kind of tire pressure monitoring sensor is fixed inside battery and circuit board through the connection of face-piece and drain pan, needs to open the shell when changing the battery, and it is comparatively loaded down with trivial details to dismantle the battery of renewing after taking down the battery to the efficiency to dismantling and installing causes the influence. In the operation process, the circuit board is exposed to the outside, and is easy to touch to cause the circuit board to be damaged, so that the mode of replacing the battery has certain potential safety hazard.

Disclosure of Invention

The utility model aims to provide a tire pressure sensor shell, a tire pressure sensor and a tire, so as to solve the problem that a circuit board is easy to damage in the process of replacing a battery in the tire pressure sensor in the prior art.

The utility model provides a tire pressure sensor shell, which comprises a shell body and flexible sealant, wherein a first accommodating groove for accommodating a battery and a second accommodating groove for accommodating a circuit board are formed in the shell body, a separation baffle is arranged between the first accommodating groove and the second accommodating groove, the separation baffle separates the inner space of the shell body to form the first accommodating groove and the second accommodating groove, and after the battery and the circuit board are respectively placed in the first accommodating groove and the second accommodating groove, the flexible sealant is filled in the first accommodating groove and the second accommodating groove and covers the battery and the circuit board.

As a preferable mode of the utility model, a notch is arranged at one end of the separation baffle, and the first accommodating groove is communicated with the second accommodating groove through the notch.

As a preferable scheme of the utility model, the second accommodating groove is internally provided with an installation limiting step for limiting the circuit board, the installation limiting step is arranged along the periphery of the second accommodating groove, and the height of the installation limiting step is higher than the bottom surface of the second accommodating groove.

As a preferable mode of the utility model, a sampling hole and a limit stop are further arranged in the second accommodating groove, the sampling hole is arranged on the bottom surface of the second accommodating groove and penetrates to the outer side of the outer shell, and the limit stop is arranged on the periphery of the sampling hole and forms a limit groove on the inner side of the limit stop.

As a preferable mode of the utility model, an antenna groove for placing the antenna on the circuit board is also arranged in the second accommodating groove, and the antenna groove is arranged concave to the bottom surface of the second accommodating groove.

As a preferable mode of the present utility model, a connection seat for connection with the valve is provided on one side of the outer case facing away from the first accommodation groove and the second accommodation groove, a plurality of reinforcing ribs are provided on both sides of the connection seat, one side of each reinforcing rib is connected with the connection seat, and the other side is connected with the outer case.

The utility model also provides a tire pressure sensor, which comprises the tire pressure sensor shell, a battery and a circuit board, wherein the battery is arranged in the first accommodating groove, the circuit board is arranged in the second accommodating groove, and the circuit board is electrically connected with the battery.

The utility model also provides a tire, which comprises the tire pressure sensor.

Compared with the prior art, the utility model has the following positive effects:

the tire pressure sensor shell comprises a shell body and flexible sealant, wherein a first accommodating groove for accommodating a battery and a second accommodating groove for accommodating a circuit board are formed in the shell body, a separation baffle is arranged between the first accommodating groove and the second accommodating groove, the separation baffle separates the inner space of the shell body to form the first accommodating groove and the second accommodating groove, and after the battery and the circuit board are respectively placed in the first accommodating groove and the second accommodating groove, the flexible sealant is filled in the first accommodating groove and the second accommodating groove and covers the battery and the circuit board. According to the tire pressure sensor shell, the first accommodating groove for accommodating the battery and the second accommodating groove for accommodating the circuit board are separated, so that the battery and the circuit board are respectively fixed in the first accommodating groove and the second accommodating groove through the flexible sealant, after the battery is used for a long time, the elastic sealant covered on the first accommodating groove can be torn off, the battery is only exposed and replaced by a new battery, the elastic sealant on the second accommodating groove is still covered on the circuit board, a continuous protection effect is achieved on the circuit board, the circuit board is prevented from being damaged in the process of replacing the battery, the battery is convenient to replace, and the service life of the tire pressure sensor is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front side view of a tire pressure sensor housing of the present utility model;

fig. 2 is a front side view of the tire pressure sensor housing of the present utility model;

FIG. 3 is a rear side view of the tire pressure sensor housing of the present utility model;

fig. 4 is a front view of the tire pressure sensor housing of the present utility model;

fig. 5 is a cross-sectional view of A-A of fig. 4.

In the figure: 1. a first accommodating groove; 2. a second accommodating groove; 21. installing a limit step; 22. a sampling hole; 23. a limit stop; 24. a limit groove; 25. antenna slot; 26. a clamping groove; 3. a separation baffle; 4. a notch; 5. a connecting seat; 6. reinforcing ribs.

Detailed Description

In the description of the present utility model, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," "front," "rear," "head," "tail," and the like are merely for convenience in describing and simplifying the utility model based on the orientation or positional relationship shown in the drawings 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 should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

The following describes the embodiments of the present utility model in further detail with reference to the drawings.

Example 1:

the embodiment provides a tire pressure sensor shell, as shown in fig. 1-2, which comprises a shell body and flexible sealant. Be provided with the first storage tank 1 that is used for placing the battery and the second storage tank 2 that is used for placing the circuit board on the shell body, be provided with separation baffle 3 between first storage tank 1 and the second storage tank 2, separation baffle 3 separates the inboard space of shell body and forms first storage tank 1 and second storage tank 2. After the battery and the circuit board are respectively placed in the first accommodating groove 1 and the second accommodating groove 2, the flexible sealant is filled in the first accommodating groove 1 and the second accommodating groove 2 and covers the battery and the circuit board so as to fix the battery and the circuit board in the first accommodating groove 1 and the second accommodating groove 2 respectively.

The tire pressure sensor shell in this embodiment separates through the first storage tank 1 that will be used for placing the battery and the second storage tank 2 that is used for placing the circuit board, makes battery and circuit board be fixed in first storage tank 1 and second storage tank 2 respectively through flexible sealant, and the sealing means that flexible sealant filled can be tightly fixed in battery and circuit board in the shell body, avoids tire pressure sensor to rock in the shell body at high-speed rotatory in-process battery and circuit board, has better sealed effect, and flexible sealant can cushion the effort of shell body to circuit board and battery because of reasons such as vibration through self elasticity, is favorable to improving its life. After the battery is used for a long time, the elastic sealant covered on the first accommodating groove 1 can be stripped, the battery is only exposed and replaced by a new battery, then the first accommodating groove is filled with the elastic sealant to fix the new battery, the elastic sealant on the second accommodating groove 2 is always covered on the circuit board in the process of replacing the battery, the circuit board is continuously protected, the circuit board is prevented from being damaged in the process of replacing the battery, the battery is convenient to replace, and the service life of the tire pressure sensor is prolonged.

Preferably, as shown in fig. 1 and 2, a notch 4 is provided at one end of the partition plate 3, and the first receiving groove 1 communicates with the second receiving groove 2 through the notch 4. The battery in the first accommodating groove is connected with the circuit board in the second accommodating groove 2 through a wire, and the wire passes through the notch 4.

Specifically, the height of the separation baffle 3 is equal to the height of the side wall of the outer shell, so that the flexible sealant can be filled in the first accommodating groove 1 and the second accommodating groove 2 at the same time, and the flexible sealant covered on the battery and the circuit board is connected into a whole, so that the sealing effect is better.

Preferably, an installation limiting step 21 for limiting the circuit board is arranged in the second accommodating groove 2, the installation limiting step 21 is arranged along the periphery of the second accommodating groove 2, and the height of the installation limiting step 21 is higher than that of the bottom surface of the second accommodating groove 2. When the circuit board is placed in the second accommodating groove 2, the side of the circuit board is clamped on the mounting limiting step 21 so as to limit the circuit board, and the circuit board is prevented from being damaged in the second accommodating groove 2 due to vibration, impact and the like.

The second accommodating groove 2 in the embodiment can be compatible with a circuit board for installing various sensors, so that the device is multipurpose and resource waste is avoided.

Preferably, a sampling hole 22 and a limiting block 23 are further arranged in the second accommodating groove 2, the sampling hole 22 is arranged on the bottom surface of the second accommodating groove 2 and penetrates to the outer side of the outer shell, and the limiting block 23 is arranged on the periphery of the sampling hole 22 and forms a limiting groove 24 on the inner side of the limiting block 23. The height of the limiting block is smaller than that of the side wall of the second accommodating groove.

Specifically, the back side of the circuit board is provided with a detection chip for detecting the gas pressure, a gas groove for storing tire gas is embedded in the bottom end of the detection chip, and the detection chip detects the gas pressure of the tire through the gas in the gas groove. The sampling hole 22 is connected with the gas tank through a sealed silica gel column, and a through hole for passing gas is arranged in the sealed silica gel column. The limiting groove 24 plays a role in positioning the sealing silica gel column. The gas of the tire sequentially passes through the sampling hole 22 and the sealed silica gel column and then reaches the gas tank, and the pressure of the gas is detected by the detection chip. Wherein, circuit board and sealed silica gel column are prior art.

Preferably, an antenna groove 25 for placing an antenna on a circuit board is further provided in the second accommodating groove 2, and the antenna groove 25 is provided concave to the bottom surface of the second accommodating groove 2.

The antenna groove 25 in this embodiment makes the antenna place in the independent region of the downside of circuit board, avoids receiving the extrusion of circuit board, carries out reasonable layout to each inside part of second accommodation groove 2 simultaneously, rational utilization space to be favorable to prolonging the life of tire pressure sensor.

Preferably, a clamping groove 26 is arranged on one side of the second accommodating groove 2, the bottom surface of the clamping groove 26 and the installation limiting step 21 are on the same plane, the clamping groove 26 is concavely arranged towards the outer side of the side wall of the second accommodating groove 2, and the clamping groove can limit a circuit board placed in the second accommodating groove 2, so that the circuit board is prevented from shaking in the second accommodating groove 2.

Preferably, a connecting seat 5 for connecting with the inflating valve is arranged on one side of the outer shell, which faces away from the first accommodating groove 1 and the second accommodating groove 2, a plurality of reinforcing ribs 6 are arranged on two sides of the connecting seat 5, one side of each reinforcing rib 6 is connected with the connecting seat 5, and the other side of each reinforcing rib 6 is connected with the outer shell. The connecting seat 5 is used for being connected with the inflating valve, and through the reinforcement of connecting seat 5 and strengthening rib 6, firm in connection is reliable.

Specifically, the first accommodating groove 1 has a circular structure. The second accommodating groove 2 is approximately square, and the outer shell is of an integrated structure.

As shown in fig. 4 and 5, in this embodiment, the diameter d of the first accommodating groove 1 is 25mm, the width a of the side of the second accommodating groove 2 away from the first accommodating groove 1 is 18.24mm, the widest part b of the second accommodating groove 2 is 20.41mm, the diameter c of the sampling hole is 1mm, the inner diameter e of the limiting stopper is 5mm, the width f of the mounting limiting step is 0.8mm, the width g of the bottom surface of the clamping groove 26 is 1.49mm, the width h of the antenna groove 25 is 3mm, the width i of the notch 4 is 4mm, the diameter k of the inner hole of the connecting seat 5 is 2.9mm, and the diameter j of the outer hole of the connecting seat is 5.7mm.

The first accommodating groove 1 in the embodiment can be filled with a large-sized battery with the CR2450 (550-650 mAh) standard to replace a small-sized battery with the original CR2032 (200-240 mAh), so that the service life is prolonged by more than two times. The second accommodation groove 2 can be compatible with circuit boards of different types, and the connecting seat 5 can be compatible to be installed on the inflating valve of different types of sensors, and the compatibility is stronger, and application scope is wider.

The embodiment also provides a tire pressure sensor, which comprises the tire pressure sensor shell, a battery and a circuit board, wherein the battery is arranged in the first accommodating groove, the circuit board is arranged in the second accommodating groove, and the circuit board is electrically connected with the battery. The tire pressure sensor in the embodiment can conveniently replace the battery, avoids the damage of a circuit board and prolongs the service life.

The embodiment also provides a tire, including foretell tire pressure sensor, through setting up tire pressure sensor, can be convenient for monitor the gas pressure in the tire, know the service condition of tire, it is crucial to the safety of traveling of car.

The above description is only of the preferred embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can make several variations and modifications without departing from the inventive concept, and it is intended to cover the scope of the present utility model.

Claims

1. The utility model provides a tire pressure sensor shell, its characterized in that includes shell body and flexible sealant, be provided with on the shell body and be used for placing first storage tank (1) of battery and be used for placing second storage tank (2) of circuit board, first storage tank (1) with be provided with between second storage tank (2) and separate baffle (3), separate baffle (3) will the inboard space separation of shell body forms first storage tank (1) with second storage tank (2), works as place respectively in first storage tank (1) with in second storage tank (2) behind the circuit board, flexible sealant fill in first storage tank (1) with in second storage tank (2) and cover on battery and the circuit board.

2. A tyre pressure sensor housing according to claim 1, characterized in that a gap (4) is provided at one end of the separation barrier (3), the first accommodation groove (1) and the second accommodation groove (2) being in communication through the gap (4).

3. The tire pressure sensor housing according to claim 2, wherein an installation limiting step (21) for limiting a circuit board is arranged in the second accommodating groove (2), the installation limiting step (21) is arranged along the periphery of the second accommodating groove (2), and the height of the installation limiting step (21) is higher than that of the bottom surface of the second accommodating groove (2).

4. The tire pressure sensor housing according to claim 2, wherein a sampling hole (22) and a limiting stopper (23) are further provided in the second accommodating groove (2), the sampling hole (22) is provided on the bottom surface of the second accommodating groove (2) and penetrates to the outer side of the housing body, and the limiting stopper (23) is provided on the outer periphery of the sampling hole (22) and forms a limiting groove (24) on the inner side of the limiting stopper (23).

5. A tyre pressure sensor housing according to claim 2, characterized in that an antenna groove (25) for placing an antenna on the circuit board is also provided in the second accommodation groove (2), which antenna groove (25) is provided recessed in the bottom surface of the second accommodation groove (2).

6. Tyre pressure sensor housing according to claim 1, characterized in that a connection seat (5) for connection with a valve is provided on the housing body on the side facing away from the first accommodation groove (1) and the second accommodation groove (2), that a plurality of reinforcing ribs (6) are provided on both sides of the connection seat (5), that one side of the reinforcing ribs (6) is connected with the connection seat (5) and that the other side is connected with the housing body.

7. A tire pressure sensor, comprising the tire pressure sensor housing of any one of claims 1-6, a battery disposed in the first receiving groove, and a circuit board disposed in the second receiving groove, the circuit board being electrically connected to the battery.

8. A tire comprising the tire pressure sensor of claim 7.