CN102514455A - Tire pressure monitoring system without requirement of assembly - Google Patents
Tire pressure monitoring system without requirement of assembly Download PDFInfo
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- CN102514455A CN102514455A CN2011103370825A CN201110337082A CN102514455A CN 102514455 A CN102514455 A CN 102514455A CN 2011103370825 A CN2011103370825 A CN 2011103370825A CN 201110337082 A CN201110337082 A CN 201110337082A CN 102514455 A CN102514455 A CN 102514455A
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- pressure monitoring
- monitoring sensor
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Abstract
The invention relates to a tire pressure monitoring system without requirement of assembly. According to the system, a tire pressure monitoring sensor capable of movement inside the tire comprises a housing, wherein a pressure sensing/sending unit, one or a plurality of batteries, and an antenna for sending a signal of an internal tire pressure instruction are accommodated in the housing. In one embodiment, components are assembled inside the housing, such that the centre of gravity and the geometric center of the housing are the same. During the tire rotation process, a monitor independently rotates inside the tire, and is particularly applicable for the tire with the characteristic of slow rotation, such as a tire used in a gantry system. Optionally the pressure monitoring components are assembled inside the housing, such that the centre of gravity deviates the geometric center of the housing. With the centripetal force generated during the tire rotation process, the monitor and the tire rotate together, and the monitor is applicable for the tire with the characteristic of rapid rotation, such as an automobile tire. The tire pressure monitoring system comprises the monitor and a receiver, wherein the receiver is positioned outside the tire, and is provided for receiving the monitoring signal.
Description
Technical field
The present invention relates to tire pressure monitoring system, relate more specifically to the tire pressure monitoring system that can in the tire or the inner tube of a tyre, move freely.
Background technology
Because need be about the more detailed information of tire pressure, so to being equipped with airtyred vehicle more to go through.Because compare with appropriate gas filed tire, underinflation vehicle tyre will cause the consumption of fuel of increase, and therefore safe in operation and the better fuel efficiency (under the situation of power actuated vehicle) for vehicle needs such tire air pressure information.The various systems of tire pressure have been proposed to be used to monitor.Usually, tire pressure monitoring system comprises pressure monitor and the element that can the tire air pressure information that be in radio frequency (RF) signal form usually be sent to receptor.Such receptor can be positioned at the vehicle interior of monitoring station (being used for the machine based on tire, the platform system of the rubber tire that for example in container transport system, uses) or automobile or truck.By this way, when one or more tires have reached the critical levels of underinflation or gas overcharging, can the display of tyre pressure information and/or the operator who warns machine/vehicle can be set.
Some configurations have been proposed.In a system, the part of pressure monitor system is a tyre valve self, for example valve rod or valve pin as antenna or antenna part assign to signal internally tire pressure sensing send to receptor.At United States Patent(USP) No. 6,101,870,7,059,178,7,328,609,7,549,329 with U.S. Patent application 2008/0121031 in such system is disclosed.Yet for high pressure tyre, routine stand arrangement as discussed above possibly have the gas leakage problem and valve possibly be easy to be damaged based on the system of valve.
In another configuration, tire pressure sensing can be installed in tyre rim (for tubeless tire).Yet, in using airtyred a large amount of machines, have multiple usual edge designs.Thus, be difficult to the tire pressure sensing of flange assembling on all types of usual tire that in such tire, uses.For the tire of the pressure sensor that can not use the edge assembling, for example using usually, particular adhesive pastes inboard wall with pressure sensor.Such assembling is consuming time, and also wastes tire sensor, because tire sensor will be dropped when useful tire life finishes.
Proposed to use the pressure sensor that moves freely in inside tires, tire comprises piezoelectric element, is used in the vehicle movement process by the vibrations capacitation.Such system is disclosed in U.S. Patent application 2010/0164705 and United States Patent(USP) No. 7,936,109.Such sensor can have the application for relative quick travel vehicle (for example automobile), and it produces a large amount of collisions, many have airtyred mechanical system be slowly move or can not move for a long time.Thus, the Collision Number quantity not sufficient of generation is to supply power to such sensor.Even, also have the problem of the unexpected et out of order of sensor in the sensor impact process when having produced enough collisions.For private car, sensor fault is not catastrophic, but in big device systems, the replacement of sensor possibly mean that turn-offing total system installs new sensor simultaneously.
Thus, this area need be positioned at the sensor that can move freely of inside tires, and it is easy-to-install, reusable and failure-free.
Summary of the invention
The present invention relates to movably need not the tire air pressure monitoring sensor that assembles in inside tires.Tire pressure sensing comprises the shell with at least a portion curved exterior surface.Shell is configured to hold the element of tire air pressure monitoring sensor.Said element comprises pressure sensitive/sending module, and pressure sensitive/sending module comprises: the pressure sensitive part that is used to respond to the inner wheel air pressure and exports the signal of indicating the inner wheel air pressure.Treater partly is electrically connected to the pressure sensitive part, is used to handle the output signal of indication inner wheel air pressure, thereby bears the monitor signal of the current inner wheel air pressure of indication.Sending part is connected to the treater part, is used for through antenna monitor signal being sent to outside tires.
At least one battery is electrically connected to pressure sensitive/sending module and treater, is used to provide electric energy.
In one embodiment, the portion's assembling in the enclosure of the element of tire air pressure monitoring device makes that the center of gravity of combined housing and element is consistent basically with the geometric centre of shell.In this configuration, when wherein there was the tire rotation of tire air pressure monitoring device the location, monitor rotated in inside tires independently, is usually located at the single position facing to inboard wall.The tire that this embodiment is specially adapted to rotate at a slow speed, the tire that for example in platform system, uses.
In optional embodiment, the portion assembling in the enclosure of the element of tire air pressure monitoring device makes that the center of gravity at combined housing and element is located in the geometric centre that departs from shell.By this way, the centripetal force that in the tire rotary course, generates makes tyre monitor rotate with tire.That is, monitor dependently rotates, but hypothesis remains on this position facing to the position of tire inner surface and by the centripetal force that in the tire rotary course, is applied to sensor.Present embodiment is specially adapted to atwirl tire, for example automobile and other motor vehicle tires.
Tire pressure monitoring system comprises monitor and is positioned at the receptor that being used to outside the tire receives monitor signal.
Description of drawings
Fig. 1 has described the transparent view of tire air pressure monitoring device, for the ease of explaining the parts that it separates.
Fig. 2 has described the stack-mounted monitor of Fig. 1, shows center of gravity line.
Fig. 3 has described the in-to-in rotation of the sensor of Fig. 2 at rotating tire's.
Fig. 4 has described the transparent view of the tire air pressure monitoring device with parts separately according to another embodiment of the present invention.
Fig. 5 describes the stack-mounted monitor of Fig. 4, shows center of gravity line.
The sensor that Fig. 6 has described Fig. 5 rotates at the rotating tire's in-to-in.
Fig. 7 has described the outside face with high friction drag of the sensor that is used for Fig. 5.
Fig. 8 has schematically described the receiving system that is used for receiving from tire air pressure monitoring device of the present invention monitor signal.
The specific embodiment
The similar same or analogous parts of Reference numeral indication in each view of some views have been specifically illustrated in the accompanying drawing.Fig. 1 has described tire air pressure monitoring device 10; Be configured in inside tires (inner or inner) removable at the inner tube of a tyre of tube-tyre at tubeless tires; That is, sensor 10 need not be fixedly fitted on the single position of any part of tyre rim or tire itself.
Shell 20 comprises the outside that at least one is crooked, makes sensor can rotate (being described below) in inside tires.The shell almost spherical of Fig. 1 is although any rotatable shape can be used as sensor outer housing.Sensor outer housing can be processed by elastomeric material, thus the collision of decay inside tires.Alternatively, one deck attenuating material can be positioned at shell 20 inside with the protection inner member.In this embodiment, the outside face of shell preferably includes the material with low-friction coefficient, rotates in inside tires to help sensor.
In order further to make sensor 10 to rotate in inside tires, the center of gravity 70 of stack-mounted sensor as shown in Figure 2 is selected as the geometric centre that comes down to sensor 10.Therefore, heavier relatively cell device 30 near symmetrical ground is positioned at around the geometric centre of sensor.That is, for the situation of single battery, single battery is positioned at geometric centre.For the configuration of two batteries, each battery is positioned at a side of geometric centre, and is as shown in Figure 2.
Printed circuit board (PCB) 40 (comprise on it assembling pressure sensitive/sending module 42) be positioned near the battery 30 and with battery 30 telecommunications.Pressure sensitive/sending module 42 comprises pressure sensitive part 421, is used to respond to the internal pressure of tire and the signal of output indication inner wheel air pressure.The treater part 422 that is electrically connected to pressure sensitive part 421 is handled the output signal that receives indication inner wheel air pressure from pressure sensitive part 421, to generate the monitor signal of the current inner wheel air pressure of indication.Transmitter part 423 is generally the RF transmitter, is connected to treater part 422 and is used to send to the transmission signal outside the tire with generation, and this transmission signal comprises tire air pressure information.Three parts of pressure sensitive/sending module 42 can be integrated into discrete-component, perhaps can be the elements that separates.Alternatively, two in three elements can be integrated into discrete-component.
Send signal and be exported to antenna 50 to send to outside the tire.Antenna 50 is shown as loop antenna, yet can select other antenna configurations based on the frequency of the monitor signal that will be sent out.
In shell 20, have sighthole 60 (not shown) that comprise seal ring 62 (not shown) and guarantee communicating by letter of ambient condition in pressure sensor and the tire, be used for correct pressure sensitive.
The inside that can mould shell 20 to be holding sensor element safely, the damage that causes with the collision that prevents in the tire moving process with tire and edge.In addition, the internal configurations that can select material is to help the correct location in the geometric centre place of sensor center of gravity.
Fig. 3 shows moving of tire 90 and the sensor 10 that is arranged in tire 90.In Fig. 3, tire rotates in a counter-clockwise direction.Similarly, sensor 10 rotates in inside tires with anticlockwise direction on the substantially identical position in the process of tire rotation, and sensor is static when tire does not rotate.By this way, what minimize inside tires and edge does not expect the number that collides, and has prolonged the service life of sensor.Such configuration is selected for the tire of low rotative speed, the tire that for example in the platform system of freight container traffic operation, uses.
The advantage of sensor 10 is that battery is easy to replacement, and this is because the spiral fastener that allows shell 20 to be easy to open.Because battery is easy to replacement in sensor 10, and because sensor 10 can be re-positioned at new tire, compare with being assembled in the sensor that abandons when tire inner wall and tire are replaced, sensor 10 is more practiced thrift cost.
Fig. 4 shows an alternative embodiment of the invention.The element of Fig. 4 promptly comprises the same way as operation with aforesaid counter element of the pressure sensitive/sending module 142 of pressure sensitive part 1421, treater part 1422 and transmitter part 1423, the space 131 that holds one or more batteries 130, antenna 150.Yet these elements are positioned at shell 120, make the geometric centre of the gravity that deviation of gravity center is as shown in Figure 5, and promptly the position 170.As shown in Figure 5, used double cell 130 configuration, two batteries all are positioned at below the geometric centre of shell 120.The weight that also can select distribution member based on the weight of discrete-component is so that other configurations at deviation of gravity center center.
Under the situation of deviation of gravity center geometric centre, Fig. 6 shows tire 190 and the rotation that is arranged in the sensor 110 of tire 190.When tire rotates in a counter-clockwise direction, because centripetal force sensor 110 is pushed to tire inner wall.As long as tire keeps rotation, this power remains on approximately uniform position with sensor, that is, sensor rotates with tire with the tire rotative speed.Yet when tire rotated with high relatively speed, sensor was not to rotate in inside tires in fact.Therefore, as shown in Fig. 5 and 7, near the out-of-position center of gravity, in the position 126, the part shell can be put down.In order further to help the single position rotation of sensor 110, as shown in Figure 7ly can on sensor outer housing 120, form high friction force outer surface of outer cover 125.Sensor 110 has been found the application-specific for the fast rotational tire of power actuated vehicle, and such tire has generated enough centripetal force for the rotary mode of Fig. 6.
In tire pressure force measuring system 200, used tire pressure sensing, this system comprises radio frequency receiver 300, is used for receiving from the monitor signal of antenna 50 or 150 emissions from sensor 10 or 110, and is as shown in Figure 8.Receptor 300 is positioned at the position outside the tire, and sensor is positioned at inside tires.A common sensor is positioned on the tire wanting monitored.
Although described aforementioned invention, should be understood that other embodiment also are in the scope of the present invention that accompanying claims and equivalent thereof represent through various embodiment.For example, although sensor does not need assembling, it can optionally be bound by tire or inner tube of a tyre element.As stated, the layout of inner member also is variable.
Claims (16)
1. a tire air pressure monitoring sensor is removable at tire or tire inner tube inside, comprising:
Rotatable shell has the curved exterior surface part, and this shell is configured to hold the element of tire air pressure monitoring sensor, and said element comprises:
Pressure sensitive/sending module comprises:
The pressure sensitive part is used to respond to the internal pressure of tire and the signal of output indication inner wheel air pressure;
The treater part is electrically connected to the pressure sensitive part, is used to handle the output signal of the indication inner wheel air pressure that partly receives from pressure sensitive, thereby bears the monitor signal of the current inner wheel air pressure of indication;
The transmitter part is connected to the treater part, is used to create the transmission signal that comprises tire air pressure information and is used to send to outside the tire;
Antenna is electrically connected to pressure sensitive/sending module;
At least one battery is electrically connected to pressure sensitive/sending module, is used for to pressure sensitive/sending module electric energy being provided;
Wherein the element of tire air pressure monitoring sensor is assembled in said enclosure, make the tire air pressure monitoring sensor be positioned at wherein tire or tire inner tube rotation during, when tire rotate, reduce the mobile of inside tires shell and element.
2. tire air pressure monitoring sensor according to claim 1, wherein said shell comprises attenuating material, impulsive force between the inside face of tire air pressure monitoring sensor and tire or tire inner tube is used to decay.
3. tire air pressure monitoring sensor according to claim 1, wherein pressure sensitive/sending module comprises integrated element, said integrated element comprises two or more in pressure sensitive part, the treater partial sum transmitting section.
4. tire air pressure monitoring sensor according to claim 1, wherein the part of the pressure sensitive in pressure sensitive/sending module, treater partial sum transmitting section form single integrated element.
5. tire air pressure monitoring sensor according to claim 1, wherein the element of tire air pressure monitoring sensor is assembled in enclosure, makes that the center of gravity of tire air pressure monitoring sensor is consistent basically with the geometric centre of its shell.
6. tire air pressure monitoring sensor according to claim 5; Wherein assemble the element in the tire air pressure monitoring sensor; Make during the tire air pressure monitoring sensor is positioned at tire or tire inner tube rotation wherein; Sensor is rotation independently on tire or the inner essentially identical position of tire inner tube in the tire rotary course, not hoping that the collision that has minimizes with tire or tire inner tube inside.
7. tire air pressure monitoring sensor according to claim 5, wherein one or more pressure sensitive/sending modules and said at least one battery are positioned near the geometric centre of shell.
8. tire air pressure monitoring sensor according to claim 5, wherein said at least one battery comprises first battery and second battery, first battery is positioned at a side and the opposite side that second battery is positioned at the geometric centre of shell of the geometric centre of shell.
9. tire air pressure monitoring sensor according to claim 6, wherein the outside face of shell comprises one or more materials with low-friction coefficient, thereby when tire rotates, helps the independent rotation of inside tires sensor.
10. tire air pressure monitoring sensor according to claim 1, wherein the element of tire air pressure monitoring sensor is assembled in enclosure, makes the center of gravity of tire air pressure monitoring sensor depart from the geometric centre of shell basically.
11. tire air pressure monitoring sensor according to claim 10; Wherein the element of tire air pressure monitoring sensor is assembled in enclosure; Make during the tire air pressure monitoring sensor is positioned at tire or tire inner tube rotation wherein; Owing in the tire rotary course, be applied to the centripetal force on the tire air pressure monitoring sensor, the tire air pressure monitoring sensor rotates with tire.
12. tire air pressure monitoring sensor according to claim 10 wherein further comprises a flat, the center-of-gravity position that said flat departs near the tire air pressure monitoring sensor on the outside face of shell.
13. tire air pressure monitoring sensor according to claim 10, wherein one or more pressure sensitive/sending modules and said at least one battery are located in the geometric centre that departs from shell.
14. tire air pressure monitoring sensor according to claim 10, wherein outer surface of outer cover comprises one or more materials with great friction coefficient, makes when tire rotates, to reduce tire air pressure monitoring sensor moving in inside tires.
15. a tire pressure monitoring system comprises the tire air pressure monitoring sensor of claim 5 and is positioned at the receptor that being used to outside the tire receives the tire air pressure monitoring signal.
16. a tire pressure monitoring system comprises the tire air pressure monitoring sensor of claim 10 and is positioned at the receptor that being used to outside the tire receives the tire air pressure monitoring signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110337082.5A CN102514455B (en) | 2011-10-31 | 2011-10-31 | Tire pressure monitoring system without requirement of assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110337082.5A CN102514455B (en) | 2011-10-31 | 2011-10-31 | Tire pressure monitoring system without requirement of assembly |
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| Publication Number | Publication Date |
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| CN102514455A true CN102514455A (en) | 2012-06-27 |
| CN102514455B CN102514455B (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110337082.5A Active CN102514455B (en) | 2011-10-31 | 2011-10-31 | Tire pressure monitoring system without requirement of assembly |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104379373A (en) * | 2012-07-24 | 2015-02-25 | 横滨橡胶株式会社 | Transmission device, tire state monitoring system, and tire assembly |
| CN104385863A (en) * | 2014-11-12 | 2015-03-04 | 广东好帮手电子科技股份有限公司 | Separated type tire pressure detecting device |
| CN108263150A (en) * | 2018-03-29 | 2018-07-10 | 上海为彪汽配制造有限公司 | The tire pressure detector of free-standing |
| CN108284717A (en) * | 2018-03-29 | 2018-07-17 | 上海为彪汽配制造有限公司 | Tire pressure detector with centre-of gravity shift |
| CN108327466A (en) * | 2018-03-30 | 2018-07-27 | 上海为彪汽配制造有限公司 | Tyre pressure sensor with shell protection |
| TWI643765B (en) * | 2017-10-13 | 2018-12-11 | 為升電裝工業股份有限公司 | Tire pressure detector with wheel balancing function and the wheel balancing system thereof |
| TWI656044B (en) * | 2018-02-27 | 2019-04-11 | 為升電裝工業股份有限公司 | Tire pressure detector with housing protection |
| CN109641491A (en) * | 2016-07-29 | 2019-04-16 | 株式会社普利司通 | Sensor housing |
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| US6163255A (en) * | 1998-05-20 | 2000-12-19 | Schrader-Bridgeport International, Inc. | Tire valve and associated tire pressure sending unit |
| US20030150261A1 (en) * | 1998-11-13 | 2003-08-14 | Koch Russell W. | Non-attached monitoring assembly for pneumatic tire |
| JP4076291B2 (en) * | 1999-01-13 | 2008-04-16 | 横浜ゴム株式会社 | Spare tire pressure monitoring device |
| CN202016376U (en) * | 2011-04-08 | 2011-10-26 | 包头市国领新技术有限公司 | Tire pressure detection device |
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2011
- 2011-10-31 CN CN201110337082.5A patent/CN102514455B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6163255A (en) * | 1998-05-20 | 2000-12-19 | Schrader-Bridgeport International, Inc. | Tire valve and associated tire pressure sending unit |
| US20030150261A1 (en) * | 1998-11-13 | 2003-08-14 | Koch Russell W. | Non-attached monitoring assembly for pneumatic tire |
| JP4076291B2 (en) * | 1999-01-13 | 2008-04-16 | 横浜ゴム株式会社 | Spare tire pressure monitoring device |
| CN202016376U (en) * | 2011-04-08 | 2011-10-26 | 包头市国领新技术有限公司 | Tire pressure detection device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104379373A (en) * | 2012-07-24 | 2015-02-25 | 横滨橡胶株式会社 | Transmission device, tire state monitoring system, and tire assembly |
| CN104385863A (en) * | 2014-11-12 | 2015-03-04 | 广东好帮手电子科技股份有限公司 | Separated type tire pressure detecting device |
| CN109641491A (en) * | 2016-07-29 | 2019-04-16 | 株式会社普利司通 | Sensor housing |
| TWI643765B (en) * | 2017-10-13 | 2018-12-11 | 為升電裝工業股份有限公司 | Tire pressure detector with wheel balancing function and the wheel balancing system thereof |
| TWI656044B (en) * | 2018-02-27 | 2019-04-11 | 為升電裝工業股份有限公司 | Tire pressure detector with housing protection |
| CN108263150A (en) * | 2018-03-29 | 2018-07-10 | 上海为彪汽配制造有限公司 | The tire pressure detector of free-standing |
| CN108284717A (en) * | 2018-03-29 | 2018-07-17 | 上海为彪汽配制造有限公司 | Tire pressure detector with centre-of gravity shift |
| CN108327466A (en) * | 2018-03-30 | 2018-07-27 | 上海为彪汽配制造有限公司 | Tyre pressure sensor with shell protection |
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|---|---|
| CN102514455B (en) | 2014-02-26 |
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