CN213831248U - Guide tyre pressure monitoring sensor - Google Patents
Guide tyre pressure monitoring sensor Download PDFInfo
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- CN213831248U CN213831248U CN202022090059.8U CN202022090059U CN213831248U CN 213831248 U CN213831248 U CN 213831248U CN 202022090059 U CN202022090059 U CN 202022090059U CN 213831248 U CN213831248 U CN 213831248U
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- tire pressure
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- cuboid
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- pressure monitoring
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Abstract
The utility model discloses a direction tire pressure monitoring sensor, including sensor main part and protective housing, the sensor main part includes the cuboid, the cuboid inside is the airtight space of hollow structure, wherein one end of cuboid is provided with the air inlet that communicates with airtight space, be formed with the disc body and be provided with the inflating valve with airtight space intercommunication in the other one end of cuboid, install tire pressure collection group PCB board and group battery PCB board respectively at two sides of cuboid, it has tire pressure sensor chip to weld on the surface of tire pressure collection group PCB board towards cuboid one side, be formed with the ventilative mouth on the cuboid side that corresponds with tire pressure sensor chip, between tire pressure sensor chip and cuboid side, the peripheral a week of ventilative mouth is filled and sealed to have epoxy; the protective shell is hermetically sleeved on the periphery of the rectangular body; the utility model discloses an external connection form makes data transmission accurate in time, and monitoring range is extensive, and is small, and the precision is high, and is longe-lived.
Description
Technical Field
The utility model relates to a direction tire pressure monitoring sensor belongs to track traffic tire pressure monitoring technology field.
Background
Most of tire pressure monitoring sensors used for monitoring the tire pressure of the existing monorail train are built-in, the built-in tire pressure monitoring sensors are insufficient in sensing precision, data transmission is not timely, and the range for monitoring the tire pressure is small; the built-in tire pressure monitoring sensor is large in size and poor in pressure maintaining effect.
Disclosure of Invention
For solving prior art's is not enough, the utility model provides a direction tire pressure monitoring sensor adopts external connection form, makes data transmission accurate timely, and the pressurize is effectual, and monitoring range is extensive, and is small, and the precision is high, longe-lived.
The utility model discloses the technical scheme who adopts does:
the guide tire pressure monitoring sensor comprises a sensor main body and a protective shell, wherein the sensor main body comprises a rectangular body, a hollow-structure closed space is arranged in the rectangular body, an air inlet communicated with the closed space is formed in one end of the rectangular body, a valve inside top column is arranged in the air inlet, a disc body is formed at the other end of the rectangular body, a valve cock communicated with the closed space is arranged at the other end of the rectangular body, and a tire valve inside is arranged in the valve cock; the tire pressure acquisition assembly PCB and the battery pack PCB are respectively arranged on two side surfaces of the rectangular body, the battery pack PCB is used for supplying power to the tire pressure acquisition assembly PCB, a tire pressure sensor chip is welded on the surface of one side, facing the rectangular body, of the tire pressure acquisition assembly PCB, a ventilation port is formed in the side surface of the rectangular body corresponding to the tire pressure sensor chip, and epoxy resin is filled and sealed between the tire pressure sensor chip and the side surface of the rectangular body and around the periphery of the ventilation port; the surface of one side, back to the rectangular body, of the PCB board of the tire pressure collection set is provided with an antenna, and the protective shell is hermetically sealed and connected to the periphery of the rectangular body.
As the utility model discloses a further preferred, protective housing is cylinder tubular structure, cylinder tubular structure's protective housing top and disc body sealing contact, and cylinder tubular structure's protective housing bottom is formed with the through-hole that supplies the air inlet to pass, and cylinder tubular structure's protective housing seal cover connects behind the periphery of cuboid, and threaded connection's lock nut is fixed on by the air inlet.
As the utility model discloses a further preferred, be provided with waterproof sealing O type circle one between cylindrical tubular structure's the protective housing top and the disc disk body, be provided with waterproof sealing O type circle two between cylindrical tubular structure's the protective housing bottom and the lock nut.
As a further preferred aspect of the present invention, the first waterproof sealing O-ring and the second waterproof sealing O-ring are made of silica gel.
As a further preferred aspect of the present invention, the circular disk body is formed with an annular groove for placing a waterproof sealing O-ring on the surface of one side of the rectangular body, and the annular groove is located at the outer circumferential edge of the circular disk body.
As the utility model discloses a further preferred, tire pressure collection group PCB board and group battery PCB board are installed on two sides of cuboid through a plurality of coiled head screws respectively.
As a further preference of the utility model, the valve inside top pillar is limited in the air inlet through the ethylene propylene diene monomer O-shaped ring.
As a further preference of the utility model, the group battery PCB board is installed the battery on the surface of cuboid one side dorsad, the battery is button cell.
As a further preferred aspect of the present invention, a tire valve cap is screwed to the valve.
The beneficial effects of the utility model reside in that: when the tire pressure sensor is used, an external connection mode is adopted, the air inlet is connected with the valve inside the guide wheel, the valve inside top pillar inside the air inlet props against the valve inside the guide wheel valve, so that the gas inside the guide wheel flows into a closed space inside the rectangular body, then the gas acts on the tire pressure sensor chip through the ventilation port, epoxy resin is filled between the tire pressure sensor chip and the side surface of the rectangular body and around the periphery of the ventilation port for preventing air leakage, and the tire pressure sensor chip can better sense the pressure of the gas; the signals generated by the tire pressure sensor chip are finally transmitted outwards through the antenna, and the antenna is close to the protective shell, so that the transmission of wireless signals is facilitated; the mounting position of the battery is convenient for directly replacing the battery after the protective shell is detached, so that the later maintenance and replacement are convenient; in the embodiment, the other end of the rectangular body is provided with the disk body and the inflating valve communicated with the closed space, and the tire valve inside the inflating valve; the embodiment is not required to be detached when the guide wheel is inflated or deflated and the internal air pressure of the guide wheel is adjusted, so that the operation is very convenient; the structure designed by the embodiment enables the contact surface of the tire pressure sensor chip and gas to be small, the smaller the stress area is, the smaller the force is and the longer the service time is under the same pressure, the epoxy resin is also used outside the tire pressure sensor chip to realize double protection, the effectiveness of tire pressure monitoring is ensured, and the reliability of products is greatly improved; therefore, the data transmission is accurate and timely, the pressure maintaining effect is good, the monitoring range is wide, the size is small, the precision is high, and the service life is long.
Drawings
FIG. 1 is a schematic structural view of the present invention;
the main reference numerals in the figures have the following meanings:
1-a tire valve cap, 2-a tire valve core, 31-a cuboid, 32-an air inlet, 33-an air valve, 34-a disc body, 35-a vent hole, 4-a tire pressure collection set PCB, 5-a battery set PCB, 6-a pan head screw, 7-a valve core top column, 8-an ethylene propylene diene monomer O-shaped ring, 9-a waterproof sealing O-shaped ring I, 10-a protective shell, 11-a waterproof sealing O-shaped ring II, 12-a locking nut and 13-an antenna.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1: the embodiment is a guide tire pressure monitoring sensor, which comprises a sensor main body and a protective shell 10, wherein the sensor main body comprises a rectangular body 31, the inside of the rectangular body 31 is a hollow closed space, one end of the rectangular body 31 is provided with an air inlet 32 communicated with the closed space, the inside of the air inlet 32 is provided with a valve core support post 7, the other end of the rectangular body 31 is provided with a disc body 34 and a valve nozzle 33 communicated with the closed space, and the inside of the valve nozzle 33 is provided with a tire valve core 2; the tyre valve cap 1 is connected with the valve nozzle 33 through threads; the tire pressure acquisition set PCB 4 and the battery pack PCB 5 are respectively arranged on two side surfaces of the rectangular body 31, the battery pack PCB 5 is used for supplying power to the tire pressure acquisition set PCB 4, a tire pressure sensor chip is welded on the surface of one side, facing the rectangular body 31, of the tire pressure acquisition set PCB 4, a ventilation port 35 is formed in the side surface of the rectangular body 31 corresponding to the tire pressure sensor chip, and epoxy resin is filled between the tire pressure sensor chip and the side surface of the rectangular body 31 and around the periphery of the ventilation port 35 in a sealing mode; an antenna 13 is arranged on the surface of one side of the tire pressure collecting group PCB 4, which is opposite to the rectangular body 31, and the protective shell 10 is hermetically sleeved on the periphery of the rectangular body 31.
In this embodiment, the protective housing 10 is a cylindrical structure, the top of the protective housing 10 is in sealed contact with the disc body 34, a through hole for the air inlet 32 to pass through is formed at the bottom of the protective housing 10, and the protective housing 10 is fixed by the locking nut 12 screwed on the air inlet 32 after being hermetically sleeved on the periphery of the rectangular body 31; the lock nut 12 is a thin hexagonal fine-pitch nut.
In the embodiment, a waterproof sealing O-shaped ring I9 is arranged between the top of the protective shell 10 with the cylindrical structure and the disc body 34, and a waterproof sealing O-shaped ring II 11 is arranged between the bottom of the protective shell 10 with the cylindrical structure and the locking nut 12; the waterproof sealing O-shaped ring I9 and the waterproof sealing O-shaped ring II 11 are made of silica gel; the connection sealing performance between the protective shell 10 and the disc body 34 and between the protective shell 10 and the lock nut 12 is improved.
In this embodiment, an annular groove for placing the waterproof sealing O-ring 9 is formed on the surface of the disc body 34 facing the rectangular body 31, and the annular groove is located at the outer circumferential edge of the disc body 34.
In this embodiment, the tire pressure collecting set PCB 4 and the battery set PCB 5 are respectively mounted on two side surfaces of the rectangular body 31 through a plurality of pan head screws 6.
In the present embodiment, the valve core apex pillar 7 is restricted in the air inlet 32 by the ethylene propylene diene monomer O-ring 8; when the air inlet 32 is connected with the valve of the guide wheel, the valve core support pillar 7 in the air inlet 32 supports the valve core in the valve of the guide wheel, so that the air in the guide wheel flows into the closed space in the rectangular body 31.
In this embodiment, the battery is mounted on the surface of the PCB 5 facing away from the rectangular body 31, and the battery is a button battery.
When the tire pressure sensor chip is used, an external connection mode is adopted, the air inlet 32 is connected with the valve of the guide wheel, the valve core support pillar 7 inside the air inlet 32 supports against the valve core inside the valve of the guide wheel, so that the air inside the guide wheel flows into a closed space inside the rectangular body 31, then the air acts on the tire pressure sensor chip through the vent hole 35, epoxy resin is filled between the tire pressure sensor chip and the side surface of the rectangular body 31 and around the periphery of the vent hole 35 for preventing air leakage, and the tire pressure sensor chip is ensured to better sense the pressure of the air; the signals generated by the tire pressure sensor chip are finally transmitted outwards through the antenna 13, and the antenna 13 is close to the protective shell 10, so that the transmission of wireless signals is facilitated; the mounting position of the battery is convenient for directly replacing the battery after the protective shell 10 is disassembled, so that the later maintenance and replacement are convenient; in the present embodiment, a disk body 34 is formed at the other end of the rectangular body 31 and an air valve 33 communicating with the closed space is provided, and a tire valve core 2 is provided inside the air valve 33; the embodiment is not required to be detached when the guide wheel is inflated or deflated and the internal air pressure of the guide wheel is adjusted, so that the operation is very convenient; the structure designed by the embodiment enables the contact surface of the tire pressure sensor chip and gas to be small, the smaller the stress area is, the smaller the force is and the longer the service time is under the same pressure, the epoxy resin is also used outside the tire pressure sensor chip to realize double protection, the effectiveness of tire pressure monitoring is ensured, and the reliability of products is greatly improved; therefore, the data transmission is accurate and timely, the pressure maintaining effect is good, the monitoring range is wide, the size is small, the precision is high, and the service life is long.
The above description 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 (9)
1. Direction tire pressure monitoring sensor, its characterized in that: the sensor comprises a sensor main body and a protective shell, wherein the sensor main body comprises a rectangular body, a hollow sealed space is arranged in the rectangular body, an air inlet communicated with the sealed space is formed in one end of the rectangular body, an air valve core supporting column is arranged in the air inlet, a disc body is formed at the other end of the rectangular body, an air valve communicated with the sealed space is arranged in the air valve core, and a tire air valve core is arranged in the air valve core; the tire pressure acquisition assembly PCB and the battery pack PCB are respectively arranged on two side surfaces of the rectangular body, the battery pack PCB is used for supplying power to the tire pressure acquisition assembly PCB, a tire pressure sensor chip is welded on the surface of one side, facing the rectangular body, of the tire pressure acquisition assembly PCB, a ventilation port is formed in the side surface of the rectangular body corresponding to the tire pressure sensor chip, and epoxy resin is filled and sealed between the tire pressure sensor chip and the side surface of the rectangular body and around the periphery of the ventilation port; the surface of one side, back to the rectangular body, of the PCB board of the tire pressure collection set is provided with an antenna, and the protective shell is hermetically sealed and connected to the periphery of the rectangular body.
2. The guide wheel tire pressure monitoring sensor of claim 1, wherein the protective housing is a cylindrical structure, the top of the protective housing is in sealing contact with the circular disk body, a through hole for the air inlet to pass through is formed at the bottom of the protective housing, and the protective housing is sealed and sleeved on the periphery of the rectangular body and then fixed by a locking nut in threaded connection with the air inlet.
3. The guided tire pressure monitoring sensor according to claim 2, wherein a first waterproof sealing O-ring is disposed between the top of the protective housing of the cylindrical structure and the disk body, and a second waterproof sealing O-ring is disposed between the bottom of the protective housing of the cylindrical structure and the lock nut.
4. The guided tire pressure monitoring sensor of claim 3, wherein the first waterproof sealing O-ring and the second waterproof sealing O-ring are made of silicone.
5. The guided tire pressure monitor sensor according to claim 3, wherein an annular groove for receiving a waterproof sealing O-ring is formed on a surface of the disk body facing the rectangular body, and the annular groove is formed at an outer circumferential edge of the disk body.
6. The guide tire pressure monitoring sensor of claim 1, wherein the tire pressure collection assembly PCB and the battery assembly PCB are mounted on two sides of the rectangular body by a plurality of pan head screws, respectively.
7. The guided tire pressure monitoring sensor of claim 1, wherein the valve core top post is trapped in the air inlet port by an ethylene propylene diene monomer O-ring.
8. The guided tire pressure monitoring sensor of claim 1, wherein a battery is mounted on a surface of the battery pack PCB on a side facing away from the rectangular body, the battery being a button battery.
9. The guided tire pressure monitoring sensor of claim 1, wherein a tire valve cap is threaded onto the valve stem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022090059.8U CN213831248U (en) | 2020-09-22 | 2020-09-22 | Guide tyre pressure monitoring sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022090059.8U CN213831248U (en) | 2020-09-22 | 2020-09-22 | Guide tyre pressure monitoring sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213831248U true CN213831248U (en) | 2021-07-30 |
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ID=77005475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022090059.8U Active CN213831248U (en) | 2020-09-22 | 2020-09-22 | Guide tyre pressure monitoring sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213831248U (en) |
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2020
- 2020-09-22 CN CN202022090059.8U patent/CN213831248U/en active Active
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