CN201122656Y - Tire sensor - Google Patents
Tire sensor Download PDFInfo
- Publication number
- CN201122656Y CN201122656Y CNU2007201990786U CN200720199078U CN201122656Y CN 201122656 Y CN201122656 Y CN 201122656Y CN U2007201990786 U CNU2007201990786 U CN U2007201990786U CN 200720199078 U CN200720199078 U CN 200720199078U CN 201122656 Y CN201122656 Y CN 201122656Y
- Authority
- CN
- China
- Prior art keywords
- circuit board
- valve rod
- tire sensor
- output end
- antenna
- 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 - Fee Related
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- Measuring Fluid Pressure (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a tyre sensor, which comprises a valve handle, a main body part and a circuit board; the valve handle is installed on the felloe of the wheel; the main body part is equipped with a guide connection structure, and the antenna output terminal on the circuit board is electrically communicated with the through the guide connection structure. Through the tyre sensor adopting the above structure , the valve handle is utilized as the antenna, no antenna is required to be arranged inside the main body part, the size of the tyre sensor can be further reduce, and therefore the installation is convenient. Simultaneously, the transmitting frequency of the sensor is greatly improved.
Description
Technical field
The utility model relates to a kind of tire sensor, specifically, relates to the tire sensor that a kind of structure is simplified, the signal launching effect is optimized.
Background technology
The blowing pressure of the fail safe of vehicle ' and fuel economy and tire is closely related.The too high or too low vehicle performance that all will make of the blowing pressure reduces, and tyre life shortens, and environment is had a negative impact.In real time monitoring tire pressure and in time reporting to the police to the driver when pressure abnormity can make the driver grasp the working condition of tire at any time, and control tire and vehicle are worked in the best way, improve the rideability of vehicle.Tire pressure sensing is the important composition parts of automatic monitoring of tire pressure and warning system, is the key factor of decision systems performance.
Existing transducer mainly is made up of a main body 12, an enclosing cover 14 and a valve rod 16.Valve rod 16 is installed on the rim for automobile wheel.
This main body 12 has an inner space in order to the mounting circuit boards (not shown).This circuit board comprises a sensor-specific integrated circuit ASIC, in order to gaging pressure and temperature, a power supply and a radio frequency transmitter such as battery, in order to the tire condition that ASIC responded to, is converted into emission of radio frequency signals.
14 of this main body 12 and this enclosing covers have a space 22, in order to the antenna 24 that this radio frequency transmitter is installed.As shown in the figure, this antenna 24 is a disk-like structure, is routed in the space 22, and promptly a upper surface that is defined along this main body 12 disposes, and is fixed by the location buckle 26 of this main body 12.Knowing those skilled in the art can understand, and antenna 24 can change its size according to the characteristic of radio frequency transmitter, as this antenna 24 length and diameter, and the outward appearance of wiring.Have a plurality of slits 32 on this enclosing cover 14 in order to expose antenna 24, to strengthen the electrical characteristic of antenna 24.Have hole 34 actings in conjunction on a plurality of coincidence pins 28 and the enclosing cover 14 on the main body 12 in addition, in order to enclosing cover is held in the correct position.Enclosing cover 14 can be fixed on the body 12 by multiple different form, such as welding, bolt and mount technology etc.
The transducer of said structure has been offered a plurality of slits 32 in order to strengthen the electrical characteristic of antenna 24 on enclosing cover 14.As everyone knows, in the space 22 of transducer, will arrange application-specific integrated circuit ASIC, and the last integrated components and parts of integrated circuit ASIC are arranged in preferably in the environment of sealing or approaching sealing.Thereby having weakened the air-tightness in space 22 for the electrical characteristic that strengthens antenna 24, this transducer may influence the characteristic that integrated circuit ASIC goes up components and parts.In addition, the structure more complicated of this antenna 24 needs with a plurality of location buckle 26 fixing.For the simplified wiring structure, also antenna 24 can be made the side that column is arranged in space 22.But anyway lay antenna, all will occupy certain space, make the size of transducer further to reduce, thereby have influence on the steadiness that transducer is installed.And the reception condition of the signal that the transducer of said structure is launched neither be best.
The utility model content
The purpose of this utility model is, a kind of tire sensor is provided, overcome moment sensor the antenna structure complexity, take up room big and the not good technical problem of signal reception condition.
In order to achieve the above object, the technical solution of the utility model is as follows:
A kind of tire sensor comprises valve rod, main part and circuit board; Described valve rod is installed on the rim for automobile wheel; Described main part is provided with air nozzle hole; Described main part is provided with connection lead structure, and the antenna output end on the circuit board electrically conducts by this connection lead structure and valve rod.
Adopt the tire sensor of said structure, valve rod is used as antenna, need not to be provided with again antenna in the main part, make the size of tire sensor further to dwindle, thereby be convenient to install.In addition, the transducer radio-frequency emission power has had large increase.
Described connection lead structure comprises cylindrical member and long spiro nail, and this long spiro nail first end gos deep into contacting with valve rod in the cylindrical member, and second opposed end contacts with antenna output end on the circuit board.
Described rim for automobile wheel has further improved transducer radio-frequency transmissions effect by the antenna output end conducting on valve rod, connection lead structure, long spiro nail and the circuit board.
Described cylindrical member has through hole, and the antenna output end on the circuit board is corresponding cavernous structure, and a long spiro nail passes antenna output end and enters in the hole on second end of cylindrical member.
Description of drawings
Fig. 1 is the structural representation of existing tire sensor;
Fig. 2 is a tire sensor operation principle schematic diagram of the present utility model;
Fig. 3 is the schematic diagram of tire sensor of the present utility model;
Fig. 4 is the schematic diagram that the rim for automobile wheel of tire sensor of the present utility model is installed.
Embodiment
For the ease of understanding 26S Proteasome Structure and Function of the present utility model better, be elaborated below in conjunction with Fig. 2 to Fig. 4.
Fig. 2 is a tire sensor operation principle schematic diagram of the present utility model.As shown in the figure, the utility model operation principle is achieved in that the valve rod of transducer is installed on the rim for automobile wheel 501; Rim for automobile wheel is by the antenna output end conducting 502 of the valve rod and the circuit board in the transducer of transducer; The corresponding receiving system of transducer is installed in car interior 503; Transducer sends to receiving system 504 with detected data.Step 502 wherein is key points of the present utility model.As long as the installation site of receiving system is convenient to the user and is watched at once in the step 503, more should not be used for limiting protection range of the present utility model.The also also nonessential order of the order of above-mentioned steps of the present utility model according to defined among Fig. 2, method of the present utility model comprises these steps, the order between the step can suitably be adjusted.
Fig. 3 is the schematic diagram of transducer of the present utility model.As shown in the figure, transducer comprises valve rod 6, main part 7, circuit board 8.Described valve rod 6 is installed on the rim for automobile wheel 10 (as shown in Figure 4).Main part 7 is provided with air nozzle hole (figure does not show), is provided with connection lead structure 71 in the main part 7, and connection lead structure 71 comprises cylindrical member 72, and through hole one end of this cylindrical member 72 gos deep into communicating in the main part 7 and with valve rod 6, and the relative other end is provided with screwed hole 73.Antenna output end 81 on the circuit board 8 is and the corresponding cavernous structure of screwed hole 73 sizes, passes antenna output end 81 and enter by a long spiro nail 82 to make in the hole 73 of cylindrical member 71 that antenna output end 81 and cylindrical member 72 are fixing and contact with valve rod 6.Like this, antenna output end 81 is successively by connection lead structure 71, long spiro nail 82, valve rod 6 and rim for automobile wheel 10 electrical property conductings, and valve rod 6 and the external antenna of rim for automobile wheel 10 integral body as transducer transmit.Those of ordinary skill in the art can understand, and antenna output end 81 can have any shape.The utility model adopts thread connecting mode, also can adopt welding to wait other connected mode.
For the simplification of board circuit structure, improve circuit level, have only an antenna output end 81 on the circuit board of the present utility model.If it is also feasible fully that circuit board is provided with a plurality of antenna output ends, as long as rim for automobile wheel also can be realized the purpose of this utility model by any antenna output end electrical property conducting of the valve rod 6 and the circuit board 8 in the tire sensor of tire sensor improvement structure.In other words, this variation execution mode also drops in the protection range of the present utility model.
After above-mentioned improvement, the reception condition of the signal of the emission of domestic three class tire sensors has been carried out the test under the equal conditions, the result of the test of acceptance rate is listed as follows:
| Categories of sensors | Former acceptance rate | Acceptance rate after the improvement |
| A | 60-65％ | 91-96％ |
| B | 75-80％ | 89-95％ |
| C | 90-95％ | 99.9-100％ |
The categories of sensors inconvenience tested of sampling directly open, with symbol A, B, C representative.As can be seen from the above table, by the improvement of said structure, the transducer radio-frequency emission power has had large increase.
Though embodiment of the present utility model has illustrated and has been shown and describes, but be to be understood that, know those skilled in the art and also can make various modifications or alternative, for example also can adopt welding manner to realize that rim for automobile wheel is by the antenna output end electrical property conducting on valve rod and the circuit board the utility model.These do not break away from protection range of the present utility model.
Claims (5)
1, a kind of tire sensor comprises valve rod, main part and circuit board; Described valve rod is installed on the rim for automobile wheel; Described main part is provided with air nozzle hole; It is characterized in that described main part is provided with connection lead structure, the antenna output end on the circuit board is by this connection lead structure and the conducting of valve rod electrical property.
2, tire sensor as claimed in claim 1, it is characterized in that, described connection lead structure comprises cylindrical member and long spiro nail, and long spiro nail gos deep into contacting with valve rod in the main part by first end of the through hole in the cylindrical member, and second opposed end contacts with antenna output end on the circuit board.
3, tire sensor as claimed in claim 2 is characterized in that, described rim for automobile wheel is by the antenna output end electrical property conducting on valve rod, long spiro nail and the circuit board.
4, tire sensor as claimed in claim 3 is characterized in that, second end of described cylindrical member is provided with the hole, and the antenna output end on the circuit board is corresponding cavernous structure, and a long spiro nail passes antenna output end and enters in the hole on second end of cylindrical member.
5, tire sensor as claimed in claim 4 is characterized in that, described hole is a screwed hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201990786U CN201122656Y (en) | 2007-12-11 | 2007-12-11 | Tire sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201990786U CN201122656Y (en) | 2007-12-11 | 2007-12-11 | Tire sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201122656Y true CN201122656Y (en) | 2008-09-24 |
Family
ID=40009896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201990786U Expired - Fee Related CN201122656Y (en) | 2007-12-11 | 2007-12-11 | Tire sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201122656Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101459276B (en) * | 2007-12-11 | 2013-03-13 | 上海泰好电子科技有限公司 | Tyre sensor |
-
2007
- 2007-12-11 CN CNU2007201990786U patent/CN201122656Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101459276B (en) * | 2007-12-11 | 2013-03-13 | 上海泰好电子科技有限公司 | Tyre sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080924 Termination date: 20131211 |