CN110103646B - Tire pressure monitoring device - Google Patents
Tire pressure monitoring device Download PDFInfo
- Publication number
- CN110103646B CN110103646B CN201910286962.0A CN201910286962A CN110103646B CN 110103646 B CN110103646 B CN 110103646B CN 201910286962 A CN201910286962 A CN 201910286962A CN 110103646 B CN110103646 B CN 110103646B
- Authority
- CN
- China
- Prior art keywords
- shell
- monitoring device
- tire pressure
- pressure monitoring
- pcb
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0491—Constructional details of means for attaching the control device
- B60C23/0498—Constructional details of means for attaching the control device for rim attachments
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention provides a tire pressure monitoring device, wherein a sensor main body can rotate relative to a nozzle rod, a conical curved surface is arranged at the air outlet end of the nozzle rod, and when a shell swings upwards to a certain angle, the conical curved surface can be abutted against the shell to prevent the sensor main body from swinging upwards. Meanwhile, a mounting hole is formed in the PCB inside the sensor main body, the metal connecting piece is provided with a clamping portion, and the clamping portion can penetrate into the mounting hole and is fixedly connected with the PCB through welding. The inserting structure is convenient to assemble, firm and stable in connection after welding, and the PCB and the electronic device on the PCB can be stably installed in the shell. Therefore, the invention avoids the problem that the circuit board and the electronic device are easy to loosen or damage due to the vibration of the tire. And, the antenna after the equipment contacts with card portion, so the signal of antenna can be through metal connecting piece to the outside transmission of casing, is favorable to improving the intensity of signal.
Description
Technical Field
The invention belongs to the field of tire pressure detection devices, and particularly relates to a tire pressure monitoring device.
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 angle between the tire pressure monitoring sensor and the nozzle rod in the current market is mostly unadjustable, and the application range of the tire pressure monitoring sensor is limited and can only be installed on a specific rim. In order to solve the problem, the industry designs a structure that the angle of the nozzle rod can rotate relative to the sensor shell, so that the sensor shell can be just contacted with the bottom of the rim groove aiming at different rim designs when the tire pressure monitoring sensor is installed, and the sensor shell can be sufficiently supported from the rim and cannot have too large interference with the rim.
However, when the automobile runs, the automobile inevitably passes through some uneven road sections, at the moment, tires vibrate up and down along with the automobile, and in the process, the sensor shell swings relative to the nozzle rod. The bottom of the sensor shell is in contact with the bottom of the rim groove, so that the sensor shell cannot swing downwards, but the sensor shell is not blocked by the rim groove, and therefore the sensor shell can swing upwards back and forth. In the long-time swing, the loosening of the internal components of the sensor is easily caused, resulting in the malfunction of the sensor. In addition, the circuit board in the sensor main part passes through the screw installation in the casing, however, the car is at the in-process of traveling, and the difficult road section that can pass through some unevenness, and the tire can vibrate from top to bottom along with the car this moment, and in this process, the screw pine takes off easily, and the circuit board and the electron device on it also take place to loosen thereupon and take off or damage, has influenced the stability when tire pressure monitoring sensor uses. Moreover, the operation is troublesome when installing the screw, and the problem of the screw or screw hole sliding is often caused.
Disclosure of Invention
The invention aims to provide a tire pressure monitoring device, and aims to solve the problem that a circuit board and electronic devices on the circuit board are easy to loosen or damage due to vibration in the driving process of an automobile in the prior art.
The invention is realized in such a way that the tire pressure monitoring device comprises a nozzle rod used for introducing external air and a sensor main body used for monitoring the gas pressure in a tire, wherein the sensor main body comprises a shell, a battery, a pressure sensing device used for sensing the air pressure, an antenna and a PCB (printed circuit board), the battery, the pressure sensing device, the antenna and the PCB are all arranged in the shell, and an air inlet hole for air flow to enter is formed in the shell; one end of the nozzle rod is an air inlet end, and the other end of the nozzle rod is an air outlet end; the tire pressure monitoring device further comprises a metal connecting piece, the metal connecting piece is arranged on the shell in a penetrating mode and is fixed on the shell, and the metal connecting piece is provided with a first connecting part and a fixing part which are perpendicular to each other; the first connecting part extends out of the shell and is pivoted with the air outlet end; the fixing part is fixed on the shell, a clamping part extends towards the inner side direction of the shell, the clamping part extends upwards from the bottom of the fixing part, a mounting hole is formed in the PCB, a welding disc is arranged on the top surface of the mounting hole, the clamping part penetrates through the mounting hole and is welded with the welding disc, and the clamping part is in contact with the antenna; the side face, close to the shell, of the air outlet end of the nozzle rod is a contact face, the bottom of the contact face is an arc-shaped curved face, and the top of the contact face extends towards the shell to form a conical curved face inclined to the arc-shaped curved face.
Furthermore, a first shaft hole is formed in the first connecting part, a second connecting part extends out of the shell, a second shaft hole is formed in the second connecting part, and a third shaft hole is formed in the air outlet end of the nozzle rod; and a screw penetrates through the first shaft hole, the second shaft hole and the third shaft hole, and the air outlet end of the nozzle rod is pivoted with the shell.
Furthermore, a convex column extends out of the outer side surface of the first connecting part, the first shaft hole is formed in the convex column, an internal thread is arranged in the first shaft hole, and the screw is in threaded connection with the first shaft hole.
Further, the fixing part of the metal connecting piece is embedded in the side wall of the shell.
Further, the clamping part is L-shaped.
Further, the shell is made of plastic materials.
Furthermore, at least one pair of elastic buckles is arranged on the inner side wall of the shell, each pair of elastic buckles is provided with two elastic buckles, and the two elastic buckles of the same pair are respectively arranged on the two opposite inner side walls of the shell; a deformation gap is formed between the elastic buckle and the inner side wall of the shell, and two side faces of the PCB are fixedly connected with the elastic buckles on the side walls of the two sides of the shell in a clamping manner respectively.
Furthermore, the air inlet on the casing is located at the top of the casing, an embedding groove is formed in the position, corresponding to the air inlet, of the inner top wall of the casing, a sealing gasket is embedded in the embedding groove, a through hole is formed in the position, corresponding to the air inlet, of the sealing gasket, and the bottom surface of the sealing gasket is abutted to the pressure sensing device.
Compared with the prior art, the invention has the beneficial effects that: according to the tire pressure monitoring device, the sensor main body can rotate relative to the nozzle rod, and the arrangement angle of the sensor main body is adjusted. The end of giving vent to anger of mouth pole is provided with the toper curved surface, and when the casing upwards swung to certain angle, this toper curved surface can support the casing, prevents the sensor main part upwards swing, has prevented effectively that the inside electronic device of sensor main part is not hard up easily problem, is favorable to guaranteeing the performance of product and improves the life of product. Meanwhile, a mounting hole is formed in the PCB inside the sensor main body, the metal connecting piece is provided with a clamping portion, and the clamping portion can penetrate into the mounting hole and is fixedly connected with the PCB through welding. The inserting structure is convenient to assemble, firm and stable in connection after welding, the PCB and the electronic device on the PCB can be stably installed in the shell, and the problem that the electronic device is easy to loosen or damage due to tire vibration is avoided. And, the PCB board after the equipment can be because the antenna contacts with card portion, so the signal of antenna can be through metal connecting piece to the outside transmission of casing, is favorable to improving the intensity of signal.
Drawings
Fig. 1 is a schematic perspective view of a tire pressure monitoring device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an exploded view of the sensor of FIG. 1;
FIG. 3 is another exploded view of the sensor of FIG. 1;
FIG. 4 is a schematic illustration of a further exploded view of the sensor of FIG. 1;
fig. 5 is a schematic longitudinal cross-sectional view of the sensor shown in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 5, a tire pressure monitoring device according to a preferred embodiment of the present invention includes a nozzle rod 1 for introducing external air, a metal connecting member 2, and a sensor body 3 for monitoring a gas pressure in a tire, wherein the nozzle rod 1 and the sensor body 3 are connected by the metal connecting member 2. The sensor body 3 includes a housing 31, a battery 32, a pressure sensing device 33 for sensing the pressure, an antenna, and a PCB 34, wherein the battery 32, the pressure sensing device 33, the antenna, and the PCB 34 are all disposed in the housing 31, for the purpose of reasonably utilizing the space, the battery 32 is disposed on the top surface of the PCB 34, and the pressure sensing device 33 and the antenna are disposed on the bottom surface of the PCB 34.
An air inlet 311 for air to enter is arranged on the shell 31; one end of the nozzle rod 1 is an air inlet end 11, and the other end is an air outlet end 12. The metal connecting piece 2 is arranged on the shell 31 in a penetrating way and fixed, and the metal connecting piece 2 is provided with a first connecting part 21 and a fixing part 22 which are vertical to each other; the first connecting portion 21 extends out of the housing 31 and is pivotally connected to the air outlet end 12. The side of the air outlet end 12 close to the housing 31 is a contact surface, the bottom of the contact surface is an arc-shaped curved surface 121, and the top of the contact surface extends toward the housing 31 to form a conical curved surface 122 inclined to the arc-shaped curved surface 121.
The fixing portion 21 of the metal connector 2 is fixed on the inner side wall of the housing 31, and the fastening portion 23 extends toward the inner side of the housing 31, the fastening portion 23 extends upward from the bottom of the fixing portion 21, the PCB 34 is provided with a mounting hole 341, a pad is disposed on the top surface of the mounting hole 341, the fastening portion 23 is inserted into the mounting hole 341, the fastening portion 23 is welded to the pad, and the fastening portion 23 is in contact with the antenna. In the present embodiment, the fastening portion 23 is L-shaped.
Specifically, the first connecting portion 21 is provided with a first shaft hole 211, the housing 31 extends out of a second connecting portion 312, the second connecting portion 312 is provided with a second shaft hole, and the air outlet end 12 of the nozzle rod 1 is provided with a third shaft hole 123; the air outlet end 12 of the nozzle rod 1 is pivotally connected to the housing 31 by a screw 4 passing through the first shaft hole 211, the second shaft hole and the third shaft hole 123.
Preferably, a boss 212 extends from an outer side surface of the first connecting portion 21, the first shaft hole 211 is opened in the boss 212, and an internal thread is provided in the first shaft hole 211, and the screw 4 is connected to the first shaft hole thread 211. Through setting up projection 212 and set up the internal thread in first shaft hole 211, need not to set up the nut additional again, be favorable to saving part and reducing the equipment step.
The housing 31 of the embodiment is made of plastic material, and in order to better fasten the PCB 34, at least one pair of elastic buckles 313 is disposed on the inner side wall of the housing 31 of the embodiment, each pair of elastic buckles 313 includes two elastic buckles 313, and the two elastic buckles 313 of the same pair are respectively disposed on the two opposite inner side walls of the housing 31; a deformation gap is formed between the elastic buckle 313 and the inner side wall of the shell 31, and two side surfaces of the PCB 34 are respectively and fixedly connected with the elastic buckle 313 on the side walls of two sides of the shell 31 in a clamping manner.
The air inlet 311 on the shell 31 is located at the top of the shell, an embedding groove 314 is arranged on the top wall of the interior of the shell 31 corresponding to the position of the air inlet 311, a sealing gasket 315 is embedded in the embedding groove 314, a through hole is formed in the position, corresponding to the air inlet 311, of the sealing gasket 315, the bottom surface of the sealing gasket 315 is abutted to the pressure sensing device 33, and an air inlet channel is formed in the through hole of the sealing gasket 315, so that air is enabled to smoothly enter the shell 31 and is sensed by the pressure sensing device 33.
In summary, in the tire pressure monitoring device of the present embodiment, the sensor body 3 can rotate relative to the nozzle rod 1, and by adjusting the placing angle of the sensor body 3, the sensor body 3 can just contact with the bottom of the rim groove, so that different rim designs can be matched, and meanwhile, the sensor body 3 can be sufficiently supported by the rim. Moreover, the air outlet end 12 of the nozzle rod 1 of the present invention is provided with the conical curved surface 122, when the housing 31 swings upward to a certain angle, the conical curved surface 122 can abut against the housing 31, so as to prevent the sensor body 3 from swinging upward, thereby effectively preventing the problem that an electronic device inside the sensor body 3 is easy to loosen, and being beneficial to ensuring the performance of the product and prolonging the service life of the product.
In addition, a mounting hole 341 is opened on the PCB 34 inside the sensor body 3, the metal connector 2 is provided with a clamping part 23, and the clamping part 23 can penetrate into the mounting hole 341 and is fixedly connected with the PCB 34 by welding. The inserting structure is convenient to assemble and firm and stable in connection after welding, the PCB 34 and the electronic devices on the PCB can be stably installed in the shell 31, and the problem that the electronic devices are easy to loosen or damage due to tire vibration is solved. In addition, since the assembled PCB 34 is in contact with the fastening portion 23, signals of the antenna can be transmitted to the outside of the housing 31 through the metal connector 2, which is beneficial to improving the strength of the signals.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A tire pressure monitoring device comprises a nozzle rod used for introducing external air and a sensor main body used for monitoring gas pressure in a tire, wherein the sensor main body comprises a shell, a battery, a pressure sensing device used for sensing the air pressure, an antenna and a PCB; one end of the nozzle rod is an air inlet end, and the other end of the nozzle rod is an air outlet end; the tire pressure monitoring device is characterized by further comprising a metal connecting piece, wherein the metal connecting piece is arranged on the shell in a penetrating mode and is fixed on the shell, and the metal connecting piece is provided with a first connecting part and a fixing part which are perpendicular to each other; the first connecting part extends out of the shell and is pivoted with the air outlet end; the fixing part is fixed on the shell, a clamping part extends towards the inner side direction of the shell, the clamping part extends upwards from the bottom of the fixing part, a mounting hole is formed in the PCB, a welding disc is arranged on the top surface of the mounting hole, the clamping part penetrates through the mounting hole and is welded with the welding disc, and the clamping part is in contact with the antenna; the side surface of the air outlet end of the nozzle rod, which is close to the shell, is a contact surface, the bottom of the contact surface is an arc-shaped curved surface, and the top of the contact surface extends towards the shell to form a conical curved surface inclined to the arc-shaped curved surface; when the shell swings upwards to a preset angle, the conical curved surface abuts against the shell to prevent the sensor main body from swinging upwards.
2. The tire pressure monitoring device of claim 1, wherein the first connecting portion has a first axial hole, the housing has a second connecting portion extending therefrom, the second connecting portion has a second axial hole, and the air outlet end of the nozzle rod has a third axial hole; and a screw penetrates through the first shaft hole, the second shaft hole and the third shaft hole, and the air outlet end of the nozzle rod is pivoted with the shell.
3. The tire pressure monitoring device of claim 2, wherein a boss extends from an outer side surface of the first connecting portion, the first shaft hole is opened in the boss, and an internal thread is provided in the first shaft hole, and the screw is threadedly connected with the first shaft hole.
4. The tire pressure monitoring device of claim 1, wherein the fixing portion of the metal connector is embedded in a sidewall of the housing.
5. The tire pressure monitoring device according to any one of claims 1 to 4, wherein the trim portion is L-shaped.
6. The tire pressure monitoring device of any of claims 1-4, wherein the housing is a plastic material.
7. The tire pressure monitoring device according to any one of claims 1 to 4, wherein at least one pair of elastic buckles is disposed on the inner side wall of the housing, each pair of elastic buckles has two elastic buckles, and the two elastic buckles of the same pair are disposed on the two opposite inner side walls of the housing, respectively; a deformation gap is formed between the elastic buckle and the inner side wall of the shell, and two side faces of the PCB are fixedly connected with the elastic buckles on the side walls of the two sides of the shell in a clamping manner respectively.
8. The tire pressure monitoring device according to any one of claims 1 to 4, wherein the air inlet hole on the housing is located at the top thereof, an embedding groove is arranged on the inner top wall of the housing at a position corresponding to the air inlet hole, a sealing gasket is embedded in the embedding groove, a through hole is arranged at a position corresponding to the air inlet hole of the sealing gasket, and the bottom surface of the sealing gasket is abutted against the pressure sensing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286962.0A CN110103646B (en) | 2019-04-10 | 2019-04-10 | Tire pressure monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286962.0A CN110103646B (en) | 2019-04-10 | 2019-04-10 | Tire pressure monitoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110103646A CN110103646A (en) | 2019-08-09 |
| CN110103646B true CN110103646B (en) | 2021-11-16 |
Family
ID=67485285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910286962.0A Active CN110103646B (en) | 2019-04-10 | 2019-04-10 | Tire pressure monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110103646B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10340626A1 (en) * | 2002-09-20 | 2004-04-01 | Siemens Vdo Automotive | Housing that is to be filled by pouring, in particular housing that is to accommodate a pressure sensor |
| EP1449683A2 (en) * | 2003-02-24 | 2004-08-25 | Pacific Industrial Co., Ltd. | Transmitter mounting structure for tire condition monitoring apparatus |
| EP1914093A1 (en) * | 2006-10-18 | 2008-04-23 | Josn Electronic Co., Ltd. | Wireless tire pressure monitor |
| CN202029655U (en) * | 2011-02-17 | 2011-11-09 | 车王电子(宁波)有限公司 | Wireless tire pressure detector |
| CN203637476U (en) * | 2013-11-28 | 2014-06-11 | 惠州华阳通用电子有限公司 | Tire pressure monitoring system (TPMS) transmitter |
| CN204278950U (en) * | 2014-08-29 | 2015-04-22 | 浙江中科领航汽车电子有限公司 | The antenna structure of tyre pressure sensor module |
| CN106965634A (en) * | 2017-04-19 | 2017-07-21 | 铁将军汽车电子有限公司 | Tire pressure sensing device and automobile |
| CN209938238U (en) * | 2019-04-10 | 2020-01-14 | 深圳市永奥图电子有限公司 | Tire pressure monitoring device capable of limiting rotation angle |
| CN210416105U (en) * | 2019-04-10 | 2020-04-28 | 深圳市永奥图电子有限公司 | Tire pressure monitoring device of stable performance |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201559487U (en) * | 2009-12-07 | 2010-08-25 | 广东铁将军防盗设备有限公司 | Tyre pressure detection device with an inner valve |
| CN105196806B (en) * | 2015-10-12 | 2017-06-30 | 铁将军汽车电子有限公司 | Tire gauge |
-
2019
- 2019-04-10 CN CN201910286962.0A patent/CN110103646B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10340626A1 (en) * | 2002-09-20 | 2004-04-01 | Siemens Vdo Automotive | Housing that is to be filled by pouring, in particular housing that is to accommodate a pressure sensor |
| EP1449683A2 (en) * | 2003-02-24 | 2004-08-25 | Pacific Industrial Co., Ltd. | Transmitter mounting structure for tire condition monitoring apparatus |
| EP1914093A1 (en) * | 2006-10-18 | 2008-04-23 | Josn Electronic Co., Ltd. | Wireless tire pressure monitor |
| CN202029655U (en) * | 2011-02-17 | 2011-11-09 | 车王电子(宁波)有限公司 | Wireless tire pressure detector |
| CN203637476U (en) * | 2013-11-28 | 2014-06-11 | 惠州华阳通用电子有限公司 | Tire pressure monitoring system (TPMS) transmitter |
| CN204278950U (en) * | 2014-08-29 | 2015-04-22 | 浙江中科领航汽车电子有限公司 | The antenna structure of tyre pressure sensor module |
| CN106965634A (en) * | 2017-04-19 | 2017-07-21 | 铁将军汽车电子有限公司 | Tire pressure sensing device and automobile |
| CN209938238U (en) * | 2019-04-10 | 2020-01-14 | 深圳市永奥图电子有限公司 | Tire pressure monitoring device capable of limiting rotation angle |
| CN210416105U (en) * | 2019-04-10 | 2020-04-28 | 深圳市永奥图电子有限公司 | Tire pressure monitoring device of stable performance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110103646A (en) | 2019-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW201713519A (en) | Tire gauge | |
| EP3532318B1 (en) | Variable installation angle tyre pressure monitoring system | |
| US6993962B1 (en) | Electronic wireless tire pressure monitoring apparatus | |
| US7021133B1 (en) | Tire condition sensing apparatus and mounting method thereof | |
| JP2004203151A (en) | Valve for transmitter of tire condition monitoring device | |
| US20120017672A1 (en) | Tire pressure monitoring system and tire pressure sensor thereof | |
| US8096175B2 (en) | Tire pressure sensor valve | |
| CN201371715Y (en) | Angle adjustable tire pressure detection emitter | |
| US20080094196A1 (en) | Hidden wireless tire pressure monitor | |
| US7458256B1 (en) | Tire pressure monitoring device | |
| EP1914093A1 (en) | Wireless tire pressure monitor | |
| CN110103646B (en) | Tire pressure monitoring device | |
| US8915130B1 (en) | Battery-replaceable tire pressure sensor | |
| CN210416105U (en) | Tire pressure monitoring device of stable performance | |
| TWM535649U (en) | Tire pressure gauge | |
| CN209938238U (en) | Tire pressure monitoring device capable of limiting rotation angle | |
| KR200445014Y1 (en) | Sensor for Tire Pressure and Tire Pressure Monitoring System having the same | |
| JP3914481B2 (en) | Transmitter for tire condition monitoring device | |
| CN205009894U (en) | Tyre pressure meter | |
| US20220041020A1 (en) | System for measuring at least one physical characteristic for a tyre assembly | |
| TWI513605B (en) | Tire pressure sensor | |
| JP2007083905A (en) | In-tire information detecting device | |
| EP2857229B1 (en) | Battery-replacable tire pressure sensor | |
| KR20150040535A (en) | Battery-replaceable tire pressure sensor | |
| CN219339116U (en) | Truck tire air pressure early warning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |