CN202294100U - Tire pressure sensor - Google Patents
Tire pressure sensor Download PDFInfo
- Publication number
- CN202294100U CN202294100U CN2011202698397U CN201120269839U CN202294100U CN 202294100 U CN202294100 U CN 202294100U CN 2011202698397 U CN2011202698397 U CN 2011202698397U CN 201120269839 U CN201120269839 U CN 201120269839U CN 202294100 U CN202294100 U CN 202294100U
- Authority
- CN
- China
- Prior art keywords
- valve
- pressure sensor
- tire
- shell
- pcb board
- 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.)
- Expired - Lifetime
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Classifications
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- 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
- B60C23/0494—Valve stem attachments positioned inside the tyre chamber
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a tire pressure sensor, comprising a shell, a monitoring PCB (Printed Circuit Board) and a tire valve, wherein the monitoring PCB is fixedly mounted in the shell; the tire valve is fixedly connected with the lower part of the lower surface of the shell; the tire valve is provided with a valve core; and the back part of the valve core is in contact connection with the monitoring PCB through a metal sheet. According to the tire pressure sensor disclosed by the utility model, the attenuation of wireless pressure signals transmitted by a transmission antenna, caused by a tire, can be avoided; and the intensity of the signals transmitted by the transmission antenna is improved. The tire pressure sensor is stable and reliable in working properties, simple in structure, convenient and practical.
Description
Technical field
The utility model relates to tire pressure detection technique field, particularly relates to a kind of tyre pressure sensor.
Background technology
Motor tire is the important constituent elements of automobile, and it has crucial effects for the safety traffic that ensures automobile.The effect of tire pressure monitoring system (TPMS, Tire Pressure Monitor System) is in vehicle traveling process, tire pressure to be carried out real-time automatic monitoring, and tire flat and infrabar are reported to the police, to guarantee traffic safety.Exist two kinds of tire pressure monitoring systems in the practice at present, a kind of is to compare for the rotating speed between the tire through anti-skid brake system, and then reaches the purpose of monitoring tire pressure; Another kind is directly to measure for the air pressure in the tire through the pressure sensor that is arranged in the vehicle tyre, then pressure information is transferred on the receptor through wireless mode, and in too low or when gas leakage when tire pressure, system can auto alarm.
A kind of tire pressure monitoring system in back is drawings in-to-in actual pressure in real time, can confirm the fault tire easily, thereby uses comparatively extensive.In a kind of tire pressure monitoring system in back, generally helical antenna is used as reflecting antenna.Adopt helical antenna to be: can enlarge angle of divergence and acceptance angle, can effectively overcome quiet dynamic blind spot as the benefit of emitting antenna.But; Above-mentioned emitting antenna and observation circuit plate are when installing and using; Generally be fixedly mounted on inside tires, the emitting antenna that is positioned at inside tires is when outwards transmitting through tire, owing to receive stopping of tire; The received radiofrequency signal of receptor will produce decay to a great extent; Cause the received pressure signal of receptor can not truly reflect the actual pressure in the tire, and then influenced the accuracy that annunciator is reported to the police, these defectives have all influenced the serviceability of system for detecting tire pressure to a great extent.
The utility model content
The purpose of the utility model is to provide a kind of tyre pressure sensor, because the valve inside of tire valve is used as emitting antenna, and the intensity of the wireless pressure signal that can effectively guarantee emitting antenna and transmitted, simple in structure, with low cost, convenient and practical.
To achieve these goals, the technical scheme of the utility model employing is:
A kind of tyre pressure sensor wherein, comprises shell, monitoring pcb board and tire valve, and said monitoring pcb board is fixedly mounted within the said shell; Said tire valve is captiveed joint with the bottom of the lower surface of said shell, and said tire valve has a valve inside, and the rear portion of said valve inside is connected with said monitoring pcb board.
Above-mentioned tyre pressure sensor, wherein,
The bottom of the lower surface of said shell is provided with the department of assembly that is used to install said tire valve; Said department of assembly is provided with the cell body that is connected with said shell inner cavity; One sheetmetal inserts in the said cell body; And be connected with the contact of said monitoring pcb board, correspondence is provided with mounting hole, perforation respectively on said department of assembly, said sheetmetal;
Said tire valve also comprises rubber coating and valve cap, and said rubber coating is set in the outside of said valve inside, and the front portion of said valve inside is threaded with said valve cap, and the rear portion of said valve inside is provided with a screw mounting hole;
One screw passes said perforation, said assembly opening from top to bottom successively, and is connected with the rear threads of said valve inside through said screw mounting hole.
Above-mentioned tyre pressure sensor, wherein, described valve inside is made of copper.
Above-mentioned tyre pressure sensor, wherein, described monitoring pcb board comprises pressure sensor and temperature sensor.
Above-mentioned tyre pressure sensor, wherein, described sheetmetal is processed by stainless steel material.
Above-mentioned tyre pressure sensor, wherein, described screw is processed by stainless steel material.
A kind of tyre pressure sensor of the utility model; Since with original helical antenna that is installed in inside tires replace be positioned at outside tires valve inside as emitting antenna; Can avoid the decay of the wireless pressure signal that tire launches for emitting antenna, improve the intensity that emitting antenna transmitted, stable work in work, reliable; Simple in structure, convenient and practical.
Description of drawings
Fig. 1 is the structural representation of the tyre pressure sensor of the utility model;
Fig. 2 is the decomposing schematic representation of the tyre pressure sensor of the utility model.
The specific embodiment
Below in conjunction with Figure of description a kind of tyre pressure sensor of the utility model is done further detailed explanation.
Like Fig. 1, shown in Figure 2, in a kind of preferred forms of the utility model, this tyre pressure sensor comprises shell 1, monitoring pcb board 2 and tire valve 3.Wherein, shell 1 comprises upper shell 11, lower house 12, and upper shell 11 is glued together with lower house 12, and monitoring pcb board 2 is fixedly installed in the shell 1.Bottom at the outer wall of lower house 12 is provided with department of assembly 121, is used for tire valve 3 is fixedly mounted on shell 1.Department of assembly 121 is provided with a cell body 121a, and the internal communication of cell body 121a and shell 1.One sheetmetal 13 processed by stainless steel material is suitable and insert in the cell body 121a with cell body 121a shape, and is connected with 2 contacts of monitoring pcb board.Be provided with assembly opening 121b, perforation (not shown) on department of assembly 121, the sheetmetal 13 respectively accordingly, the screw 14 processed by stainless steel material passes assembly opening 121b successively, the perforation (not shown) is connected with the rear portion of tire valve 3.In the present embodiment, tire valve 3 comprises valve inside 31, rubber coating 32; Wherein, Rubber coating 32 is enclosed within the outside of valve inside 31, and valve inside 31 is made of copper, and its front end is threaded with a valve cap 33; The rear end of valve inside 31 has a screw mounting hole (not shown); Screw 14 passes assembly opening 121b successively, perforation (not shown) rear thread is connected in the screw mounting hole, thereby tire valve 3 is fixedly mounted on the shell 1, and owing to sheetmetal 13 is connected with 2 contacts of monitoring pcb board; And sheetmetal 13 is connected with the rear portion contact of valve inside 31 through screw 14, links together through indirect contact thereby will monitor pcb board 2 and valve inside 31.
The principle of work of the utility model is following: in use; Shell 1 places inside tires with fixing with the monitoring pcb board 2 that is positioned in the shell 1; And monitoring pcb board 2 comprises pressure sensor and temperature sensor; Can detect in real time for tyre inner pressure and temperature simultaneously; And the valve inside 31 of tire valve 3 that is positioned at outside tires is as emitting antenna, is 433MHz with the temperature signal wireless transmission to placing the indoor receiving device of vehicular drive, transmitting frequency with the pressure signal of monitoring pcb board 2 detected tires.Like this because will place outside tires but not in-to-in valve inside 31 as emitting antenna, can prevent effectively that wireless transmission signal from receiving stopping of tire and decay in the process of transmission, thereby guarantee the intensity and the stability of wireless transmission signal.
A kind of tyre pressure sensor of the utility model; Since with original helical antenna that is installed in inside tires replace be positioned at outside tires valve inside as antenna; Can avoid the decay of the wireless pressure signal that tire launches for emitting antenna, improve the intensity that emitting antenna transmitted, stable work in work, reliable; Simple in structure, convenient and practical.
Should be pointed out that foregoing is the enumerating of preferred forms of the utility model, the part of wherein describing in detail to the greatest extent is construed as with the general fashion in present technique field and implements.Simultaneously, for one of ordinary skill in the art, equivalent transformation and the modification in not departing from the spiritual category of the utility model, the utility model done all will fall within the protection domain of claim of the utility model.
Claims (6)
1. a tyre pressure sensor is characterized in that, comprises shell, monitoring pcb board and tire valve, and said monitoring pcb board is fixedly mounted within the said shell; Said tire valve is captiveed joint with the bottom of the lower surface of said shell, and said tire valve has a valve inside, and the rear portion of said valve inside is connected with said monitoring pcb board.
2. tyre pressure sensor as claimed in claim 1 is characterized in that,
The bottom of the lower surface of said shell is provided with the department of assembly that is used to install said tire valve; Said department of assembly is provided with the cell body that is connected with said shell inner cavity; One sheetmetal inserts in the said cell body; And be connected with the contact of said monitoring pcb board, correspondence is established assembly opening, perforation respectively on said department of assembly, said sheetmetal;
Said tire valve also comprises rubber coating and valve cap, and said rubber coating is set in the outside of said valve inside, and the front portion of said valve inside is threaded with said valve cap, and the rear portion of said valve inside is provided with a screw mounting hole;
One screw passes said perforation, said assembly opening successively, and is connected with the rear threads of said valve inside through said screw mounting hole.
3. according to claim 1 or claim 2 tyre pressure sensor is characterized in that described valve inside is made of copper.
4. tyre pressure sensor as claimed in claim 1 is characterized in that, described monitoring pcb board comprises pressure sensor and temperature sensor.
5. tyre pressure sensor as claimed in claim 2 is characterized in that described sheetmetal is processed by stainless steel material.
6. tyre pressure sensor as claimed in claim 2 is characterized in that described screw is processed by stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202698397U CN202294100U (en) | 2011-07-28 | 2011-07-28 | Tire pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202698397U CN202294100U (en) | 2011-07-28 | 2011-07-28 | Tire pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202294100U true CN202294100U (en) | 2012-07-04 |
Family
ID=46363063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202698397U Expired - Lifetime CN202294100U (en) | 2011-07-28 | 2011-07-28 | Tire pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202294100U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104417291A (en) * | 2013-09-09 | 2015-03-18 | 嵩镕精密工业股份有限公司 | Adjustable inside tire pressure sensor |
| CN104859387A (en) * | 2015-04-30 | 2015-08-26 | 深圳市卡美特电子技术有限公司 | Multifunctional internally-installed tire pressure sensor |
| CN105150776A (en) * | 2015-08-25 | 2015-12-16 | 保隆(安徽)汽车配件有限公司 | Connecting structure for tire pressure monitoring sensor and inflating valve |
| CN106515320A (en) * | 2016-10-31 | 2017-03-22 | 江苏博锐格电子科技有限公司 | Tire monitoring sensor module and air leakage early-warning method |
| CN108188729A (en) * | 2018-01-23 | 2018-06-22 | 上海霍富汽车锁具有限公司 | Automobile tyre pressure sensor full-automatic assembly equipment and its application method |
-
2011
- 2011-07-28 CN CN2011202698397U patent/CN202294100U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104417291A (en) * | 2013-09-09 | 2015-03-18 | 嵩镕精密工业股份有限公司 | Adjustable inside tire pressure sensor |
| CN104417291B (en) * | 2013-09-09 | 2017-04-26 | 嵩镕精密工业股份有限公司 | Adjustable inside tire pressure sensor |
| CN104859387A (en) * | 2015-04-30 | 2015-08-26 | 深圳市卡美特电子技术有限公司 | Multifunctional internally-installed tire pressure sensor |
| CN104859387B (en) * | 2015-04-30 | 2017-02-01 | 深圳市卡美特电子技术有限公司 | Multifunctional internally-installed tire pressure sensor |
| CN105150776A (en) * | 2015-08-25 | 2015-12-16 | 保隆(安徽)汽车配件有限公司 | Connecting structure for tire pressure monitoring sensor and inflating valve |
| CN106515320A (en) * | 2016-10-31 | 2017-03-22 | 江苏博锐格电子科技有限公司 | Tire monitoring sensor module and air leakage early-warning method |
| CN108188729A (en) * | 2018-01-23 | 2018-06-22 | 上海霍富汽车锁具有限公司 | Automobile tyre pressure sensor full-automatic assembly equipment and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
|
| CX01 | Expiry of patent term |