CN216833075U - Tire pressure monitoring device and automobile wheel - Google Patents
Tire pressure monitoring device and automobile wheel Download PDFInfo
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- CN216833075U CN216833075U CN202220756042.8U CN202220756042U CN216833075U CN 216833075 U CN216833075 U CN 216833075U CN 202220756042 U CN202220756042 U CN 202220756042U CN 216833075 U CN216833075 U CN 216833075U
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Abstract
The utility model discloses a tire pressure monitoring device and auto wheel, tire pressure monitoring device includes: the battery and the PCB are arranged in the shell; the casing includes drain pan and upper cover, the drain pan with the upper cover is through welded seal, cover on and be provided with elasticity pressing piece and bleeder vent, elasticity pressing piece set up in the upper cover is close to battery department, be used for right the battery is pressed fixedly, bleeder vent department is provided with waterproof ventilated membrane. In the utility model, the welding process is adopted, so that the production process is simpler and faster, the production efficiency is improved, the harm of the sealant to the health of the human body is reduced, and the product is lighter; the upper cover is attached with a waterproof breathable film for ventilation, so that the installation is more convenient and the performance is more stable; the upper cover is provided with an elastic pressing piece for pressing and fixing the battery, so that the battery is not easy to loosen, the stability of the product is enhanced, and the stress concentration of the welding position can be reduced.
Description
Technical Field
The utility model relates to a tire pressure monitoring technology field further relates to a tire pressure monitoring device and auto wheel.
Background
In order to ensure the safe driving of the automobile, it is very important to install a Tire Pressure Monitoring System (TPMS) on the automobile and monitor the parameters of the tire, such as the air pressure and the temperature, in real time. In the automobile tire pressure monitoring system, a corresponding monitoring device for monitoring the tire pressure is installed at the inflating valve hole of the rim of each tire. Under the state of driving or vehicle is static, the tire pressure monitoring device automatically monitors the pressure, temperature and other data of the tire in real time, and gives an alarm in time when the pressure and temperature of the tire are abnormal, thereby avoiding traffic accidents caused by tire faults and ensuring driving safety.
The tire pressure monitoring sensor generally comprises a sensor main body and an inflating valve connected with a tire, wherein the sensor main body is arranged in the tire, and the balance of internal and external air pressure and the detection of tire pressure are realized through air holes formed in the surface of the sensor main body. At present, the mode of filling rubber plugs is mostly adopted for sealing the air vents of the tire pressure monitor, and the mode of sealing the inner water is mostly adopted for sealing by a glue filling process, so that the preparation process of the tire pressure monitoring sensor is complex, the weight is heavy, and the pollution is easy to generate. The prior application of the department is CN214606948U, a tire pressure monitoring sensor and an automobile wheel, the problem can be solved by adopting a welding and sealing process, but when the welding and sealing process is adopted, an internal battery is easy to shake, so that the stability of a product is poor.
Therefore, there is a need to design a tire pressure monitoring device to solve the above problems.
Disclosure of Invention
In view of the above technical problems, an object of the present invention is to provide a tire pressure monitoring device and an automobile wheel, which adopt a welding process, so as to make the production process simpler and faster, improve the production efficiency, reduce the damage of the sealant to the human health, and make the product lighter; the upper cover is attached with a waterproof breathable film for ventilation, so that the installation is more convenient and the performance is more stable; the upper cover is provided with an elastic pressing piece for pressing and fixing the battery, so that the battery is not easy to loosen, the stability of the product is enhanced, and the stress concentration of the welding position can be reduced.
In order to achieve the above object, the utility model provides a tire pressure monitoring device, include: the battery and the PCB are arranged in the shell;
the casing includes drain pan and upper cover, the drain pan with the upper cover is through welded seal, cover on and be provided with elasticity pressing piece and bleeder vent, elasticity pressing piece set up in the upper cover is close to battery department, be used for right the battery is pressed fixedly, bleeder vent department is provided with waterproof ventilated membrane.
In some embodiments, the elastic pressing member includes a pressing surface and an elastic member, the pressing surface is connected to the upper cover through the elastic member, and the pressing surface is closely attached to the battery.
In some embodiments, the pressing surface has a circular structure, and the elastic member is disposed around the pressing surface.
In some embodiments, the elastic member has a wave-shaped structure, one end of the elastic member is fixedly connected to the pressing surface, and the other end of the elastic member is fixedly connected to the upper cover.
In some embodiments, the upper cover, the elastic member, and the pressing surface are integrally formed;
and/or the joint of the upper cover and the bottom shell is sealed in a laser welding sealing mode.
In some embodiments, the upper cover is provided with a mounting groove, the mounting groove is positioned at the position, close to the ventilating hole on one side of the bottom shell, of the upper cover, and the waterproof ventilating film is adapted to be arranged in the mounting groove;
the upper cover is close to drain pan one side still is provided with a plurality of strengthening rib and a plurality of boss, a plurality of the strengthening rib set up in around the mounting groove to be radial arrangement, a plurality of the boss set up in PCB board department is used for right the PCB board extrusion is consolidated.
In some embodiments, a first accommodating cavity and a second accommodating cavity are arranged in the bottom shell side by side, the battery is fittingly installed in the first accommodating cavity, a plurality of fixing columns are arranged in the second accommodating cavity, the PCB is arranged in the second accommodating cavity and connected with the plurality of fixing columns, and the upper end surface of the battery and the upper end surface of the PCB are in the same plane;
the bottom shell is provided with a valve port, the valve port is arranged on the outer side of the bottom shell, the first accommodating cavity and the second accommodating cavity are located on two sides of the valve port, and the valve port is used for being connected with a valve nozzle.
In some embodiments, further comprising:
the burning terminal is arranged in the second accommodating cavity and connected with the PCB, and the burning terminal and the bottom shell are integrally connected through injection molding and injection packaging;
and the antenna terminal is arranged in the second accommodating cavity and connected with the PCB, and the antenna terminal and the bottom shell are integrally connected through injection molding and package injection.
In some embodiments, a sealing groove is formed at an edge of the upper cover, the sealing groove is disposed toward the bottom case, a flange corresponding to the sealing groove is formed at the edge of the bottom case, and the sealing groove and the flange are oppositely matched;
the edge of the upper cover and the edge of the bottom shell are provided with butt joint surfaces which are oppositely arranged at intervals, so that a laser welding seam is formed at the joint of the upper cover and the bottom shell.
According to another aspect of the present invention, the present invention further provides an automobile wheel, comprising any one of the above tire pressure monitoring devices;
still include wheel hub and tire, the valve mouth has been seted up to the wheel hub inboard, is used for fixing tire pressure monitoring devices's valve, the casing is located the inside of tire.
Compared with the prior art, the utility model provides a tire pressure monitoring device and auto wheel have following beneficial effect:
1. the tire pressure monitoring device provided by the utility model adopts the welding process, so that the production process is simpler and faster, the production efficiency is improved, the damage of sealant to the health of human bodies is reduced, and the product is lighter; the upper cover is attached with a waterproof breathable film for ventilation, so that the installation is more convenient and the performance is more stable; the upper cover is provided with the elastic pressing piece for pressing and fixing the battery, so that the battery is not easy to loosen, the stability of a product is enhanced, and the stress concentration at a welding position can be reduced;
2. the utility model provides a tire pressure monitoring device, the junction of the upper cover and the bottom shell adopts laser radium welding to seal and waterproof the product, and is simple, stable and reliable; the elastic piece is of a wave-shaped structure, so that the buffer force after the battery is compressed is increased, the battery is not crushed, the fastening force can be ensured, and the stress concentration of a welding part can be reduced; the upper cover is provided with a plurality of bosses to compress and reinforce the PCB, so that the structural stability of the product is improved;
3. the utility model provides a tire pressure monitoring device, the up end of battery and the up end of PCB board are parallel coplane and are arranged in the casing to the both sides of valve port are separated, make the atress balanced, reduce the risk that valve mouth department casing long time high speed motion and fracture, prolong its life-span; the bleeder vent designs at the upper cover and in the attached waterproof ventilated membrane of back, can make the interior air admission inside of child, thereby makes the chip on the PCB board can the inside atmospheric pressure of perception tire make judgement and monitoring, and can arrange in the upper cover optional position, does not receive the restraint of chip position, has increased the degree of freedom of chip layout design, has alleviateed the degree of difficulty of layout design.
Drawings
The above features, technical features, advantages and modes of realisation of the present invention will be further described in the following detailed description of preferred embodiments thereof, which is to be read in conjunction with the accompanying drawings.
Fig. 1 is a schematic structural view of a tire pressure monitoring device according to a preferred embodiment of the present invention;
fig. 2 is a schematic view of the internal structure of a tire pressure monitoring device according to a preferred embodiment of the present invention;
fig. 3 is a schematic structural view of a bottom case according to a preferred embodiment of the present invention;
FIG. 4 is a schematic structural view of the upper cover of the preferred embodiment of the present invention;
FIG. 5 is a cross-sectional view of the upper cover of the preferred embodiment of the present invention;
fig. 6 is a sectional view of a tire pressure monitoring device according to a preferred embodiment of the present invention.
The reference numbers illustrate:
Detailed Description
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
For the sake of simplicity, only the parts related to the utility model are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
In one embodiment, referring to fig. 1 to 6 of the specification, the present invention provides a tire pressure monitoring device, including: the battery pack comprises a shell 1, a battery 2 and a PCB 3, wherein the battery 2 and the PCB are arranged in the shell 1; casing 1 includes drain pan 11 and upper cover 12, and drain pan 11 and upper cover 12 are through welded seal, are provided with elasticity pressing member 4 and bleeder vent 5 on the upper cover 12, and elasticity pressing member 4 sets up in upper cover 12 and is close to battery 2 department for press fixedly battery 2, bleeder vent 5 department is provided with waterproof ventilated membrane.
In the utility model, the tire pressure monitoring device adopts the welding process, so that the production process is simpler and faster, the production efficiency is improved, the harm of the sealant to the health of the human body is reduced, and the product is lighter; the upper cover 12 is ventilated by sticking a waterproof ventilated membrane, so that the installation is more convenient and the performance is more stable; the upper cover 12 is provided with the elastic pressing piece 4 for pressing and fixing the battery 2, so that the battery 2 is not easy to loosen, the stability of a product is enhanced, and the stress concentration of a welding part can be reduced.
In one embodiment, referring to fig. 4 and 5 of the specification, on the basis of the above embodiment, the elastic pressing member 4 includes a pressing surface 41 and an elastic member 42, the pressing surface 41 is connected with the upper cover 12 through the elastic member 42, and the pressing surface 41 is tightly attached to the battery 2.
Specifically, the pressing surface 41 has a circular structure, and the elastic member 42 is disposed around the pressing surface 41. The elastic member 42 is of a wave-shaped structure, one end of the elastic member 42 is fixedly connected with the pressing surface 41, and the other end of the elastic member 42 is fixedly connected with the upper cover 12. The upper cover 12, the elastic member 42, and the pressing surface 41 are integrally formed. The elastic member 42 is provided with a wave-shaped structure, so that the buffering force after the battery 2 is compressed is increased, the battery 2 is not damaged by pressure, and meanwhile, the fastening force can be ensured; the elastic pressing piece 4 can reduce the stress value brought to the welding position when the centrifugal force is generated, and the stress concentration of the welding position is avoided.
It should be noted that, the specific structure of the elastic pressing member 4 is illustrated corresponding to the drawings in the specification, and in the actual use process, the elastic pressing member 4 may also be other structures or devices as long as the structures and devices for elastically pressing and fixing the battery can be realized, and only the purpose of better illustrating the present invention is here, and the present invention should not be construed as a limitation to the present invention.
In one embodiment, referring to fig. 4 to 6 of the specification, on the basis of the above embodiment, a mounting groove 51 is provided on the upper cover 12, the mounting groove 51 is located at the vent 5 on one side of the upper cover 12 close to the bottom case 11, and the waterproof and breathable film is fittingly disposed in the mounting groove 51. Through designing bleeder vent 5 at upper cover 12 and in the attached waterproof ventilated membrane in back, can make the interior air admission inside of child, thereby make the chip on the PCB board 3 can perceive the inside atmospheric pressure of tire and make judgement and monitoring, and can arrange in upper cover 12 optional position, do not receive the restraint of chip position, increased the degree of freedom of chip layout design, alleviateed the degree of difficulty of layout design. One side of upper cover 12 close to bottom case 11 is further provided with a plurality of reinforcing ribs 122 and a plurality of bosses 121, and the plurality of reinforcing ribs 122 are disposed around mounting groove 51 and arranged radially. The plurality of bosses 121 are disposed at the PCB 3 for pressing and reinforcing the PCB 3. Through the design many places boss at upper cover 12, compress tightly the reinforcement to PCB board 3, improved the structural stability of product.
The edge of the upper cover 12 is opened with a sealing groove 123, the sealing groove 123 is disposed toward the bottom case 11, the edge of the bottom case 11 is provided with a flange 114 corresponding to the sealing groove 123, and the sealing groove 123 is oppositely matched with the flange 114. The edge of the upper cover 12 and the edge of the bottom shell 11 have opposite and spaced abutting surfaces, so that the laser welding seam 124 is formed at the joint of the upper cover 12 and the bottom shell 11. The joint of the upper cover 12 and the bottom shell 11 is sealed in a laser welding manner. The product is sealed and waterproof by adopting laser welding, and the method is simple, stable and reliable.
In an embodiment, with reference to fig. 2 and fig. 3 of the specification, on the basis of the above embodiment, a first accommodating cavity 111 and a second accommodating cavity 112 are arranged in the bottom case 11 side by side, the battery 2 is fittingly installed in the first accommodating cavity 111, a plurality of fixing posts 113 are arranged in the second accommodating cavity 112, the PCB 3 is arranged in the second accommodating cavity 112 and connected to the plurality of fixing posts 113, and an upper end surface of the battery 2 and an upper end surface of the PCB 3 are in the same plane. The bottom case 11 is provided with a valve port 13, and the valve port 13 is disposed on the outer side of the bottom case 11, such that the first accommodating chamber 111 and the second accommodating chamber 112 are located on both sides of the valve port 13, and the valve port 13 is used for connecting a valve. The upper end face of the battery 2 and the upper end face of the PCB 3 are arranged in the shell 1 in a parallel and coplanar mode and are respectively arranged on two sides of the valve port 13, so that stress is balanced, the risk that the shell is broken due to long-time high-speed movement at the valve port is reduced, and the service life of the shell is prolonged.
In some embodiments, with reference to fig. 3 of the specification, the tire pressure monitoring device further includes: the burning terminal 14 is arranged in the second accommodating cavity 112 and connected with the PCB board 3, and the burning terminal 14 and the bottom case 11 are integrally connected through injection molding and injection packaging. The antenna terminal 15 is disposed in the second accommodating cavity 112 and connected to the PCB board 3, and the antenna terminal 15 and the bottom case 11 are integrally connected through injection molding.
According to another aspect of the present invention, the present invention further provides an automobile wheel, comprising any one of the above tire pressure monitoring devices; still include wheel hub and tire, the valve mouth has been seted up to the wheel hub inboard for fixed tire pressure monitoring devices's valve, casing 1 is located the inside of tire.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or recited in detail in a certain embodiment.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A tire pressure monitoring device, comprising: the battery and the PCB are arranged in the shell;
the casing includes drain pan and upper cover, the drain pan with the upper cover is through welded seal, cover on and be provided with elasticity pressing piece and bleeder vent, elasticity pressing piece set up in the upper cover is close to battery department, be used for right the battery is pressed fixedly, bleeder vent department is provided with waterproof ventilated membrane.
2. The tire pressure monitoring device according to claim 1,
the elastic pressing piece comprises a pressing surface and an elastic piece, the pressing surface is connected with the upper cover through the elastic piece, and the pressing surface is tightly attached to the battery.
3. The tire pressure monitoring device according to claim 2,
the pressing surface is of a circular structure, and the elastic pieces are arranged around the pressing surface in a surrounding mode.
4. The tire pressure monitoring device according to claim 3,
the elastic piece is of a wave-shaped structure, one end of the elastic piece is fixedly connected with the pressing surface, and the other end of the elastic piece is fixedly connected with the upper cover.
5. The tire pressure monitoring device according to claim 4,
the upper cover, the elastic piece and the pressing surface are integrally formed;
and/or the joint of the upper cover and the bottom shell is sealed in a laser welding sealing mode.
6. The tire pressure monitoring device according to any one of claims 1 to 5,
the upper cover is provided with an installation groove, the installation groove is positioned at the position, close to the bottom shell, of the vent hole on one side of the upper cover, and the waterproof breathable film is arranged in the installation groove in a matched mode;
the upper cover is close to drain pan one side still is provided with a plurality of strengthening rib and a plurality of boss, a plurality of the strengthening rib set up in around the mounting groove to be radial arrangement, a plurality of the boss set up in PCB board department is used for right the PCB board extrusion is consolidated.
7. The tire pressure monitoring device according to any one of claims 1 to 5,
a first accommodating cavity and a second accommodating cavity which are arranged side by side are formed in the bottom shell, the battery is installed in the first accommodating cavity in a matching mode, a plurality of fixing columns are arranged in the second accommodating cavity, the PCB is arranged in the second accommodating cavity and connected with the fixing columns, and the upper end face of the battery and the upper end face of the PCB are located on the same plane;
the bottom shell is provided with a valve port, the valve port is arranged on the outer side of the bottom shell, the first accommodating cavity and the second accommodating cavity are located on two sides of the valve port, and the valve port is used for being connected with a valve nozzle.
8. The tire pressure monitoring device of claim 7, further comprising:
the burning terminal is arranged in the second accommodating cavity and connected with the PCB, and the burning terminal and the bottom shell are integrally connected through injection molding and injection packaging;
and the antenna terminal is arranged in the second accommodating cavity and connected with the PCB, and the antenna terminal and the bottom shell are integrally connected through injection molding and package injection.
9. The tire pressure monitoring device according to claim 7,
a sealing groove is formed in the edge of the upper cover, the sealing groove faces the bottom shell, a flange corresponding to the sealing groove is arranged at the edge of the bottom shell, and the sealing groove and the flange are matched in an opposite mode;
the edge of the upper cover and the edge of the bottom shell are provided with butt joint surfaces which are oppositely arranged at intervals, so that a laser welding seam is formed at the joint of the upper cover and the bottom shell.
10. A vehicle wheel, characterized by comprising the tire pressure monitoring device according to any one of claims 1 to 9;
still include wheel hub and tire, the valve mouth has been seted up to the wheel hub inboard, is used for fixing tire pressure monitoring devices's valve, the casing is located the inside of tire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220756042.8U CN216833075U (en) | 2022-04-02 | 2022-04-02 | Tire pressure monitoring device and automobile wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220756042.8U CN216833075U (en) | 2022-04-02 | 2022-04-02 | Tire pressure monitoring device and automobile wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216833075U true CN216833075U (en) | 2022-06-28 |
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ID=82097738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220756042.8U Active CN216833075U (en) | 2022-04-02 | 2022-04-02 | Tire pressure monitoring device and automobile wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216833075U (en) |
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2022
- 2022-04-02 CN CN202220756042.8U patent/CN216833075U/en active Active
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