CN211106787U - Tire pressure sensor - Google Patents
Tire pressure sensor Download PDFInfo
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- CN211106787U CN211106787U CN201921663412.8U CN201921663412U CN211106787U CN 211106787 U CN211106787 U CN 211106787U CN 201921663412 U CN201921663412 U CN 201921663412U CN 211106787 U CN211106787 U CN 211106787U
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Abstract
The utility model discloses a tire pressure sensor, which comprises a sensor body and an inflating valve, wherein the sensor body comprises a shell, a battery, a circuit board, a tire pressure sensing module, a filling colloid and a cover plate, the shell is provided with a containing groove, the containing groove comprises a first placing area and a second placing area, the first placing area is matched with the battery, and the second placing area is provided with a positioning column; the battery is accommodated in the first accommodating area, the circuit board is accommodated in the second accommodating area, the circuit board is provided with a positioning hole matched with the positioning column, and the tire pressure sensing module is arranged on the circuit board; the filling colloid is encapsulated in the accommodating groove to wrap the sealed battery and the tire pressure sensing module, and the cover plate is covered on the shell to seal the accommodating groove; the valve is secured to the housing by a fastener connection. According to the utility model provides a tire pressure sensor, its structure is firm reliable, and waterproof leakproofness is good, and working property is stable, and in addition, the equipment is convenient.
Description
Technical Field
The utility model relates to a tire pressure detects technical field, especially relates to a tire pressure sensor.
Background
the tpms sensor is a sensor that uses a tire pressure monitoring system (tpms) to monitor the tire pressure in real time. The sensor comprises a bridge type electronic air pressure sensing device for sensing air pressure, and the sensor converts an air pressure signal into an electric signal and transmits the signal through a wireless transmitting device so as to ensure the driving safety. In the related art, when the tire pressure sensor is used for a long time, the problems of unstable working performance, even faults and the like of the tire pressure sensor are easily caused due to road surface bumping and vibration and the like.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model aims to provide a tire pressure sensor.
To achieve the above object, according to the present invention, a tire pressure sensor includes:
the tire pressure sensor comprises a sensor body, a sensor body and a control module, wherein the sensor body comprises a shell, a battery, a circuit board, a tire pressure sensing module, a filling colloid and a cover plate, the shell is provided with a containing groove, the containing groove comprises a first containing area and a second containing area, the first containing area is matched with the battery, and the second containing area is provided with a positioning column;
the battery is accommodated in the first accommodating area, the circuit board is accommodated in the second accommodating area, a positioning hole matched with the positioning column is formed in the circuit board, and the tire pressure sensing module is arranged on the circuit board; the filling colloid is encapsulated in the accommodating groove to wrap and seal the battery and the tire pressure sensing module, and the cover plate is covered on the shell to seal the accommodating groove;
a valve secured to the housing by a fastener connection.
According to the utility model provides a tire pressure sensor, battery holding are in first district of placing, and the circuit board holding is in the district is placed to the second, and the circuit board passes through the locating hole and fixes a position with the reference column cooperation on the casing, and the packing colloid embedment is in the storage tank, sealed with the parcel battery and tire pressure sensing module, apron lid are established on the casing, with sealed the storage tank, so, circuit board, battery and tire pressure sensing module are sealed fixed by the packing colloid parcel in the casing to, the circuit board utilizes the locating hole and fixes a position with the reference column cooperation on the casing, and its structure is firm reliable, and waterproof sealing nature is good, reduces because factors such as road surface jolt vibration arouse tire pressure sensor working property unstability, trouble scheduling problem even. In addition, the circuit board and the battery are convenient to assemble.
In addition, the tire pressure sensor according to the above embodiments of the present invention may further have the following additional technical features:
according to an embodiment of the present invention, the second placing area is provided with a support pillar, and the support pillar is provided with a first threaded hole;
the circuit board is provided with a first through hole, and a first screw matched with the first threaded hole penetrates through the first through hole so as to lock and fix the circuit board and the shell.
According to an embodiment of the present invention, the housing has a connecting seat thereon, the connecting seat is provided with a second through hole, and the second through hole includes a cylindrical section and a non-cylindrical section;
one end on the inflating valve is provided with an inserting part, the inserting part is formed into a non-circular structure matched with the non-cylindrical section, the inserting part is inserted into the non-cylindrical section, a second threaded hole is formed in the inserting part, and a second screw matched with the second threaded hole is arranged in a penetrating mode in the cylindrical section so that the inflating valve and the connecting seat can be fixedly connected.
According to the utility model discloses an embodiment, be equipped with the location on the apron and detain, be equipped with in the storage tank with the complex constant head tank is detained in the location.
According to an embodiment of the present invention, the tire pressure sensing module includes a sensor and an antenna, the circuit board has a first surface, and the sensor is disposed on the first surface; the antenna includes a first portion, a second portion, and a third portion, the first and second portions spanning over the first surface and at least partially over the sensor, the third portion extending along an edge of the circuit board on the first surface and connected between the first and second portions.
According to an embodiment of the invention, the first part comprises:
the first vertical section is positioned on one side of the circuit board in the width direction;
a second vertical section located on the other side of the circuit board in the width direction;
a first horizontal segment located above the first surface and connected between the first vertical segment and the second vertical segment, the first surface being horizontally disposed.
According to an embodiment of the invention, the second part comprises:
a third vertical section located on the one side in the width direction on the circuit board;
a fourth vertical section located on the other side of the circuit board in the width direction;
a second horizontal segment located above the first surface and connected between the third vertical segment and the fourth vertical segment.
According to an embodiment of the invention, the third portion is connected between the first vertical section and the fourth vertical section.
According to an embodiment of the invention, the third vertical section is located at a side of the first vertical section remote from the third portion;
the second horizontal section comprises a first sub section and a second sub section, the first sub section is connected with the fourth vertical section and is parallel to the first horizontal section, the second sub section is connected between the first sub section and the third vertical section, and the second sub section is respectively vertical to the first sub section and the third vertical section.
According to an embodiment of the present invention, the first horizontal segment and the second horizontal segment are at the same horizontal plane;
one end of the first vertical section, which is connected with the first horizontal section, is bent to form a bent part, and the bent part is positioned below the horizontal plane.
The housing has a ridge thereon, and the first and second portions are located within the ridge.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a viewing angle of a tire pressure sensor according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another view angle of the tire pressure sensor according to the embodiment of the present invention;
fig. 3 is an exploded view of a tire pressure sensor according to an embodiment of the present invention;
fig. 4 is another exploded view of a tire pressure sensor according to an embodiment of the present invention;
fig. 5 is another exploded view of a tire pressure sensor according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a viewing angle of an antenna in a tire pressure sensor according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of another view angle of the antenna in the tire pressure sensor according to the embodiment of the present invention.
Reference numerals:
a sensor body 10;
a housing 101;
a positioning post 1011;
first threaded hole 1012 a;
a connecting seat 1013;
a second through-hole 1013 a;
a ridge 1014;
a first placement region P101;
a second placement region P102;
a battery 102;
a circuit board 103;
a positioning hole 1031;
a first via 1032;
a cover plate 105;
a positioning buckle 1051;
a first screw 106;
an air valve 20;
a plug-in part 201;
a second screw hole 2011;
a second screw 21;
an antenna 30;
a first portion 301;
a first vertical segment 3011;
a bent portion 3011 a;
a second vertical segment 3012;
a first horizontal segment 3013;
a second portion 302;
a third vertical section 3021;
a fourth vertical section 3022;
a first subsection 3023 a;
a second subsection 3023 b;
a corner section 3023 c;
a third portion 303;
a sensor 31.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it is to 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", "circumferential", "radial", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The tire pressure sensor according to the embodiment of the present invention is described in detail below with reference to the drawings.
Referring to fig. 1 to 7, a tire pressure sensor according to an embodiment of the present invention includes a sensor body 10 and a valve 20.
Specifically, the sensor body 10 includes a housing 101, a battery 102, a circuit board 103, a tire pressure sensing module, a filling colloid, and a cover plate 105, where the housing 101 has a receiving groove, the receiving groove includes a first placing area P101 and a second placing area P102, the first placing area P101 is adapted to the battery 102, the second placing area P102 is provided with two positioning pillars 1011, in the example shown in fig. 5, the first placing area P101 is substantially circular, the second placing area P102 is substantially rectangular, and the two positioning pillars 1011 are provided.
The battery 102 is accommodated in the first accommodating area P101, the circuit board 103 is accommodated in the second accommodating area P102, the circuit board 103 is provided with a positioning hole 1031 matched with the positioning column 1011, and the tire pressure sensing module is arranged on the circuit board 103; the filling colloid is encapsulated in the accommodating groove to wrap and seal the battery 102 and the tire pressure sensing module, and the cover plate 105 is covered on the shell 101 to seal the accommodating groove.
The valve 20 is secured to the housing 101 by a fastener connection.
In a specific assembling process, the tire pressure sensing module is firstly welded to the circuit board 103, then the battery 102 is installed to the first placing area P101, the circuit board 103 is installed to the second placing area P102, the positioning hole 1031 in the circuit board 103 is matched with the positioning column 1011 on the shell 101, the circuit board 103 is fixed, then the filling colloid is filled into the accommodating groove, gaps between the accommodating cavity and the battery 102, between the circuit board 103 and the tire pressure sensing module are filled with the filling colloid, a layer of filling colloid is formed on the back of the circuit board 103, finally, the cover body is covered on the shell 101, and the cover body is adhered and fixed together by the filling colloid.
According to the utility model provides a tire pressure sensor, battery 102 holding are in first district P101 of placing, and circuit board 103 holding is in district P102 is placed to the second, and circuit board 103 passes through locating hole 1031 and the reference column 1011 cooperation location on the casing 101, and the packing colloid embedment is in the storage tank, it is sealed with the parcel battery 102 and tire pressure sensing module, apron 105 lid are established on the casing 101, with sealed the storage tank, so, circuit board 103, battery 102 and tire pressure sensing module are sealed fixed by the packing colloid parcel in casing 101 to, circuit board 103 utilizes locating hole 1031 and the reference column 1011 cooperation location on the casing 101, and its structure is firm reliable, and waterproof sealing nature is good, reduces because factors such as road surface vibration arouse tire pressure sensor working property unstability, trouble scheduling problem even. In addition, the circuit board 103 and the battery 102 are convenient to assemble.
Advantageously, the second placement area P102 is provided with a support column 1012, said support column 1012 being provided with a first threaded hole 1012 a. A first through hole 1032 is formed in the circuit board 103, and a first screw 106 matched with the first threaded hole 1012a penetrates through the first through hole 1032 to lock and fix the circuit board 103 and the housing 101.
Thus, after the circuit board 103 is positioned and fixed by the positioning hole 1031 and the positioning column 1011 on the housing 101, the first screw 106 can be used for penetrating through the first through hole 1032 of the circuit board 103 and then being in threaded connection with the first threaded hole 1012a on the supporting column 1012, so that the circuit board 103 and the housing 101 are locked and fixed, the circuit board 103 is ensured to be more reliably fixed in the housing 101, and the problems that the circuit board 103 is unstable and the like caused by bumping and other impacts in long-term use are prevented.
Referring to fig. 4, in an embodiment of the present invention, the housing 101 has a connecting seat 1013, the connecting seat 1013 is provided with a second through hole 1013a, and the second through hole 1013a includes a cylindrical section and a non-cylindrical section. One end on the valve 20 is provided with an inserting portion 201, the inserting portion 201 is formed into a non-circular structure matched with the non-cylindrical section, the inserting portion 201 is inserted into the non-cylindrical section, a second threaded hole 2011 is formed in the inserting portion 201, and a second screw 21 matched with the second threaded hole 2011 penetrates through the cylindrical section so as to connect and fix the valve 20 and the connecting seat 1013.
So, utilize the second screw thread to penetrate behind the cylinder section to second through-hole 1013a and second screw hole 2011 threaded connection on grafting portion 201, realize being connected valve 20 and connecting seat 1013 fixed, its fixed firm reliable to, it is convenient to dismantle. In addition, the insertion part 201 is formed in a non-circular structure and is inserted into the non-circular section of the second through hole 1013a, and the insertion part 201 in the non-circular structure is matched with the non-circular section of the second through hole 1013a, so that the valve 20 cannot rotate around its own axis after the valve 20 is connected with the sensor body 10, and the valve 20 and the sensor body 10 are ensured to be fixed reliably.
Optionally, the cover plate 105 is provided with a positioning buckle 1051, and the accommodating groove is internally provided with a positioning groove matched with the positioning buckle 1051, so that the cover plate 105 and the housing 101 can be reliably fixed by matching the positioning buckle 1051 with the positioning groove, and the assembly is convenient.
Referring to fig. 4 to 5, in some embodiments of the present invention, the tire pressure sensing module includes a sensor 31 and an antenna 30, the circuit board 103 has a first surface, and the sensor 31 is disposed on the first surface; the antenna 30 comprises a first portion 301, a second portion 302 and a third portion 303, the first portion 301 and the second portion 302 are spanned over the first surface and at least partially over the sensor 31, the third portion 303 extends along an edge of the circuit board 103 on the first surface and is connected between the first portion 301 and the second portion 302.
It should be noted that, in the tire pressure sensor, the performance of the antenna 30 directly affects the quality of data transmission, which is an important factor for increasing the transmitting power of the tire pressure sensor. Since the tire pressure sensor is mounted in the tire and is affected by the vehicle body, vehicle motion, etc. on performance, the antenna 30 of the tire pressure sensor must be designed in a compact size and to meet the transmission performance requirements.
In this embodiment, on one hand, the first portion 301 and the second portion 302 of the antenna 30 are erected above the first surface, and may form a certain angle (for example, 90 °) with the circuit board 103, so that the antenna 30 may generate a mirror effect when approaching the ground, thereby improving the radiation performance of the antenna 30 and the reliability of radio frequency transmission; on the other hand, the antenna 30 includes a first portion 301, a second portion 302, and a third portion 303, the third portion 303 extends along the edge of the circuit board 103 on the first surface and is connected to the circuit board
Between first part 301 and the second part 302, so, antenna 30 development length is longer, and the increase of inductance value improves antenna 30 radiation efficiency simultaneously, is favorable to the matching of compatible 434MHz and 315MHz two frequency channels, produces the work of dual resonance, and adaptation motorcycle type kind is more extensive.
Referring to fig. 6 to 7, in an embodiment of the present invention, the first portion 301 includes a first vertical section 3011, a second vertical section 3012 and a first horizontal section 3013, and the first vertical section 3011 is located on one side of the width direction on the circuit board 103. The second vertical section 3012 is located on the other side in the width direction on the circuit board 103. A first horizontal segment 3013 is located above the first surface and is connected between the first vertical segment 3011 and a second vertical segment 3012, the first surface being arranged horizontally.
That is, the first vertical section 3011 and the second vertical section 3012 are disposed opposite to each other in the width direction of the circuit board 103, the lower ends of the first vertical section 3011 and the second vertical end are connected to the circuit board 103, the first vertical section 3011 and the second vertical section 3012 are perpendicular to the circuit board 103, the first horizontal section 3013 is located at a height position at one end above the circuit board 103, one end of the first horizontal section 3013 is connected to the upper end of the first vertical section 3011, and the other end of the first horizontal section 3013 is connected to the upper end of the second vertical section 3012, and thus, the first portion 301 is formed into a substantially U-shaped structure.
In this embodiment, the first portion 301 adopts the above-mentioned U-shaped structure, which not only can make the length of the first portion 301 as long as possible, increase the inductance, and improve the radiation efficiency of the antenna 30, but also can make the first portion 301 erect above the circuit board 103, and does not interfere with the arrangement of other electronic components on the circuit board 103, thereby saving space. In addition, the plane formed by the first vertical section 3011, the second vertical section 3012 and the first horizontal section 3013 is perpendicular to the earth, so that the antenna 30 can generate a mirror effect when approaching the earth, and the radiation performance and the radio frequency transmission performance of the antenna 30 are better.
The second portion 302 includes a third vertical section 3021, a fourth vertical section 3022, and a second horizontal section, and the third vertical section 3021 is located on the one side of the width direction on the circuit board 103. The fourth vertical section 3022 is located on the other side of the width direction on the circuit board 103. A second horizontal segment is located above the first surface and is connected between the third vertical segment 3021 and the fourth vertical segment 3022; the third portion 303 is connected between the first vertical segment 3011 and the fourth vertical segment 3022.
That is, the third vertical section 3021 and the fourth vertical section 3022 are respectively disposed on two sides of the width direction of the circuit board 103, the lower ends of the third vertical section 3021 and the fourth vertical end are connected to the circuit board 103, the third vertical section 3021 and the fourth vertical section 3022 are perpendicular to the circuit board 103, the second horizontal section is located at a height position of one end above the circuit board 103, one end of the second horizontal section is connected to the upper end of the third vertical section 3021, and the other end of the second horizontal section is connected to the upper end of the fourth vertical section 3022, so the second portion 302 is formed in a structure in which two planes are substantially perpendicular to each other.
In this embodiment, the second portion 302 adopts the above structure, which not only can make the length of the second portion 302 as long as possible, increase the inductance, and improve the radiation efficiency of the antenna 30, but also can make the second portion 302 erect above the circuit board 103, and does not interfere with the arrangement of other electronic components on the circuit board 103, thereby saving space. In addition, the plane formed by the third vertical section 3021, the fourth vertical section 3022, and the second horizontal section is perpendicular to the ground, so that the antenna 30 can generate a mirror image effect when approaching the ground, and the radiation performance and the radio frequency transmission performance of the antenna 30 are better. Moreover, the first vertical segment 3011, the second vertical segment 3012, the first horizontal segment 3013, the third vertical segment 3021, the fourth vertical segment 3022, and the second horizontal segment cooperate with each other, so that the antenna 30 is compatible with two frequency bands of 434MHz and 315 MHz.
Advantageously, a third vertical segment 3021 is located on the side of the first vertical segment 3011 remote from the third portion 303. The second horizontal segment includes a first sub-segment 3023a and a second sub-segment 3023b, the first sub-segment 3023a is connected to the fourth vertical segment 3022 and is parallel to the first horizontal segment 3013, the second sub-segment 3023b is connected between the first sub-segment 3023a and the third vertical segment 3021, and the second sub-segment 3023b is perpendicular to the first sub-segment 3023a and the third vertical segment 3021, respectively.
The second horizontal segment is formed into L type structure formed by the first sub segment 3023a and the second sub segment 3023b, the second horizontal segment of L type structure can be used to realize connection of the third vertical segment 3021 and the fourth vertical segment 3022 which are staggered, and the second horizontal segment of L type structure has longer length, and the radiation performance of the antenna 30 is better.
Advantageously, the end of the first sub-segment 3023a connected to the fourth vertical segment 3022 has a corner 3023c bent towards the inside of the circuit board 103, that is, the first sub-segment 3023a is connected to the upper end of the fourth vertical segment 3022 through the corner 3023c, and in a specific application, when the antenna assembly is installed in a housing of a tire pressure sensor, the corner 3023c can perform a positioning function, so that the installation and fixation are convenient.
Advantageously, the first horizontal segment 3013 and the second horizontal segment are at the same horizontal level. One end of the first vertical section 3011 connected to the first horizontal section 3013 is bent to form a bent portion 3011a, and the bent portion 3011a is located below the horizontal plane. In this manner, it is convenient for the second sub-segment 3023b of the second horizontal segment to extend toward and connect with the third vertical segment 3021, preventing the first vertical segment 3011 from interfering with the second sub-segment 3023b of the second horizontal segment. In addition, the first horizontal segment 3013 and the second horizontal segment are located at the same horizontal plane, so that the structure is simple and compact, and the installation in the housing 101 is convenient.
In addition, in this embodiment, the third portion 303 is located at one end of the circuit board 103 in the length direction, one end of the third portion 303 is connected to the fourth vertical section 3022, and the other end of the third portion 303 extends along the width direction of the circuit board 103, then extends along the length direction of the circuit board 103, and is connected to the first vertical section 3011. Thus, the antenna 30 can be integrally close to one end of the circuit board 103, and the area occupied by the third part 303 on the circuit board 103 is smaller, so that the structure is simplified, and the installation is convenient.
Advantageously, the antenna 30 is formed into a rib structure with a rectangular cross section, and the rib structure is adopted, so that the forming size precision is high, the self-resonant frequency is stable, the conductor resistance loss is less, the stable and reliable performance of the tire pressure sensor is ensured, and the batch consistency is good.
Referring to fig. 4, in one example of the present invention, the housing 101 has a ridge 1014 thereon, and the first portion 301 and the second portion 302 are located in the ridge 1014, so that the first portion 301 and the second portion 302 of the antenna 30 are conveniently mounted.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (11)
1. A tire pressure sensor, comprising:
the tire pressure sensor comprises a sensor body, a sensor body and a control module, wherein the sensor body comprises a shell, a battery, a circuit board, a tire pressure sensing module, a filling colloid and a cover plate, the shell is provided with a containing groove, the containing groove comprises a first containing area and a second containing area, the first containing area is matched with the battery, and the second containing area is provided with a positioning column;
the battery is accommodated in the first accommodating area, the circuit board is accommodated in the second accommodating area, a positioning hole matched with the positioning column is formed in the circuit board, and the tire pressure sensing module is arranged on the circuit board; the filling colloid is encapsulated in the accommodating groove to wrap and seal the battery and the tire pressure sensing module, and the cover plate is covered on the shell to seal the accommodating groove;
a valve secured to the housing by a fastener connection.
2. The tire pressure sensor of claim 1, wherein the second placement area is provided with a support post, the support post being provided with a first threaded hole;
the circuit board is provided with a first through hole, and a first screw matched with the first threaded hole penetrates through the first through hole so as to lock and fix the circuit board and the shell.
3. The tire pressure sensor according to claim 1, wherein the housing has a connecting seat thereon, the connecting seat having a second through hole thereon, the second through hole including a cylindrical section and a non-cylindrical section;
one end on the inflating valve is provided with an inserting part, the inserting part is formed into a non-circular structure matched with the non-cylindrical section, the inserting part is inserted into the non-cylindrical section, a second threaded hole is formed in the inserting part, and a second screw matched with the second threaded hole is arranged in a penetrating mode in the cylindrical section so that the inflating valve and the connecting seat can be fixedly connected.
4. The tire pressure sensor according to claim 1, wherein the cover plate is provided with a positioning buckle, and the accommodating groove is provided with a positioning groove matched with the positioning buckle.
5. The tire pressure sensor of claim 1, wherein the tire pressure sensing module includes a sensor and an antenna, the circuit board has a first surface, and the sensor is disposed on the first surface; the antenna includes a first portion, a second portion, and a third portion, the first and second portions spanning over the first surface and at least partially over the sensor, the third portion extending along an edge of the circuit board on the first surface and connected between the first and second portions.
6. The tire pressure sensor of claim 5, wherein the first portion includes:
the first vertical section is positioned on one side of the circuit board in the width direction;
a second vertical section located on the other side of the circuit board in the width direction;
a first horizontal segment located above the first surface and connected between the first vertical segment and the second vertical segment, the first surface being horizontally disposed.
7. The tire pressure sensor of claim 6, wherein the second portion includes:
a third vertical section located on the one side in the width direction on the circuit board;
a fourth vertical section located on the other side of the circuit board in the width direction;
a second horizontal segment located above the first surface and connected between the third vertical segment and the fourth vertical segment.
8. The tire pressure sensor of claim 7, wherein the third portion is connected between the first vertical segment and a fourth vertical segment.
9. The tire pressure sensor of claim 7, wherein the third vertical segment is located on a side of the first vertical segment remote from the third portion;
the second horizontal section comprises a first subsection and a second subsection, the first subsection is connected with the fourth vertical section and is parallel to the first horizontal section, the second subsection is connected between the first subsection and the third vertical section, and the second subsection is respectively vertical to the first subsection and the third vertical section.
10. The tire pressure sensor of claim 7, wherein the first and second horizontal segments are at the same horizontal level;
one end of the first vertical section, which is connected with the first horizontal section, is bent to form a bent part, and the bent part is positioned below the horizontal plane.
11. The tire pressure sensor of claim 5, wherein the housing has a bulge thereon, the first and second portions being located within the bulge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921663412.8U CN211106787U (en) | 2019-09-30 | 2019-09-30 | Tire pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921663412.8U CN211106787U (en) | 2019-09-30 | 2019-09-30 | Tire pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211106787U true CN211106787U (en) | 2020-07-28 |
Family
ID=71695359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921663412.8U Active CN211106787U (en) | 2019-09-30 | 2019-09-30 | Tire pressure sensor |
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| Country | Link |
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| CN (1) | CN211106787U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022228120A1 (en) * | 2021-04-28 | 2022-11-03 | 深圳市道通科技股份有限公司 | Tire pressure sensor and automobile tire |
-
2019
- 2019-09-30 CN CN201921663412.8U patent/CN211106787U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022228120A1 (en) * | 2021-04-28 | 2022-11-03 | 深圳市道通科技股份有限公司 | Tire pressure sensor and automobile tire |
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