CN107914529A - A kind of spherical tire pressure sensing device and tire pressure monitoring system - Google Patents
A kind of spherical tire pressure sensing device and tire pressure monitoring system Download PDFInfo
- Publication number
- CN107914529A CN107914529A CN201711396445.6A CN201711396445A CN107914529A CN 107914529 A CN107914529 A CN 107914529A CN 201711396445 A CN201711396445 A CN 201711396445A CN 107914529 A CN107914529 A CN 107914529A
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- Prior art keywords
- tire pressure
- sphere
- sensing device
- pressure sensing
- interior spheroid
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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
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
- B60C23/0433—Radio signals
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of spherical tire pressure sensing device and tire pressure monitoring system, its sensing device includes power supply, sensor, circuit board, transmitting antenna and sphere, wherein, the power supply, the sensor, the circuit board and the transmitting antenna are installed in the sphere, and the spherome surface is provided with the venthole with the sensor conducts.The sphere includes:Outer sphere, has been internally formed accommodating chamber, and, interior spheroid, is roly-poly type structure, and its radial dimension is less than the accommodating chamber, the interior spheroid is movably set in the accommodating chamber, and the power supply, the sensor, the circuit board and the transmitting antenna are installed in inside the interior spheroid.The vertical curve when interior spheroid is in equilibrium state by its center of gravity is balanced line.The transmitting antenna is annular shape, and the vertical line of plane where annulus is parallel with the balanced line.It can be directly placed in tire, be not required to installation action, it is very efficient and convenient.
Description
Technical field
The present invention relates to vehicle tires monitoring system field, and especially a kind of spherical tire pressure sensing device and tire pressure are supervised
Examining system.
Background technology
System for monitoring pressure in tyre (TPMS) is the safety monitored in real time to information such as the tire pressure of vehicle, temperature
Device.It directly measures the air pressure of tire, temperature and battery capacity using the sensor installed in each wheel tyre cavity, works as wheel
Air pressure less than main engine plants recommend tire cold conditions pressure 25%, or less than the pressure listed in regulation minimum value when,
TPMS warning reminding drivers.The security performance of high vehicle speeds is improved with this, is reduced to greatest extent quick-fried on highway
Tire accident.The sensing device of existing monitoring system is typically mounted on the valve cock of tire, and installation is complex.
The content of the invention
The object of the present invention is to provide a kind of spherical tire pressure sensing device and tire pressure monitoring system, wheel can be directly placed at
In tire, installation action is not required to, it is efficient and convenient.
Technical solution provided by the invention is as follows:A kind of spherical tire pressure sensing device, including power supply, sensor, circuit board
And transmitting antenna, further comprise:Sphere, wherein,
The power supply, sensor, circuit board and transmitting antenna are installed in the sphere, and the spherome surface is set
There is the venthole with the sensor conducts.
The technical program, the shape of sensing device is arranged to spherical freely to roll, and is made under its own weight-driven
Its position is maintained near at minimum point in tire, so ensure sensing device and tire relative position remain unchanged or
Small change amplitude is kept, measuring state is more stablized.
Preferably, the sphere includes:
Outer sphere, has been internally formed accommodating chamber, and,
Interior spheroid, is roly-poly type structure, and its radial dimension is less than the accommodating chamber, and the interior spheroid is movably set in
In the accommodating chamber, the power supply, sensor, circuit board and transmitting antenna are installed in inside the interior spheroid.
The technical program, sphere are double spherical structures of suit, and interior spheroid can be movable in outer sphere, and it is tumbler knot
Structure so that there is the trend of the state that restores balance on the vertical direction of interior spheroid all the time, swung always near equilibrium state,
It can make sensor circuit board aerial position all the time towards a fixed-direction.
Preferably, the vertical curve when interior spheroid is in equilibrium state by its center of gravity is balanced line.The transmitting day
Line is annular shape, and the vertical line of plane where annulus is parallel with the balanced line.
The technical program, when interior spheroid is rotated in inside tires relative to its balanced line, moreover it is possible to ensure antenna launch angle
Constant, which should be adapted with the receiver in monitoring system, can effectively improve signal strength and stability.
Preferably, some balls are placed between the outer sphere and the interior spheroid.
The technical program, interior spheroid are rolled by rolling friction in outer sphere, it is possible to reduce interior spheroid is in outer sphere
The resistance of activity, is able to return to equilibrium state faster, may be such that the direction change smaller of transmitting antenna.
Specifically, the inner surface that the ball is uniformly installed in the accommodating chamber forms sphere.
Specifically, the interior spheroid includes counterweight part and encapsulation part, the quality of the counterweight part is more than the encapsulation part, and
The volume of the counterweight part is less than the encapsulation part;Wherein,
The power supply, the sensor, the circuit board and the transmitting antenna are encapsulated into the encapsulation part.
Specifically, the sphere is two parts by the plane separation without the centre of sphere, the wherein larger part of volume is institute
Encapsulation part is stated, the part of small volume is the counterweight part.
Invention additionally discloses a kind of tire pressure monitoring system, suitable for the transfer instrument including tire, including it is foregoing spherical
Tire pressure sensing device, the spherical tire pressure sensing device are located in the tire.
A kind of spherical tire pressure sensing device and tire pressure monitoring system provided by the invention, can bring following at least one to have
Beneficial effect:
1st, the shape of sensing device is designed as spherical, its position is maintained in tire under its own weight-driven
Near at minimum point, and then ensure that the relative position of sensing device and tire remains unchanged or keep small change amplitude,
Measuring state is more stablized.
2nd, sphere is double spherical structures of suit, and interior spheroid can be movable in outer sphere, and it is tumbler structure so that interior
Swung always near equilibrium state on the vertical direction of sphere, and interior spheroid is designed as to circular ring shape parallel to the ground, can
It is effective to improve signal strength and stability to ensure that antenna launch angle is constant or keep small change amplitude.
3rd, interior spheroid is rolled by rolling friction in outer sphere, it is possible to reduce interior spheroid resistance movable in outer sphere
Power, is able to return to equilibrium state faster, may be such that the direction change smaller of transmitting antenna.
Brief description of the drawings
Below by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, to a kind of spherical tire pressure sensing dress
Put and above-mentioned characteristic, technical characteristic, advantage and its implementation of tire pressure monitoring system are further described.
Fig. 1 is the planar structure schematic diagram of spherical tire pressure sensing device.
Fig. 2 is that spherical tire pressure sensing device is placed in working state schematic representation in tire.
Drawing reference numeral explanation:100th, spherical tire pressure sensing device, 101, power supply, 110, circuit board, 120, transmitting antenna,
130th, sensor, 200, outer sphere, 210, venthole, 300, interior spheroid, 310, counterweight part, 320, encapsulation part, 400, ball,
500th, tire, 510, wheel hub.
Embodiment
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, control is illustrated below
The embodiment of the present invention.It should be evident that drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other can also be obtained according to these attached drawings
Attached drawing, and obtain other embodiments.
To make simplified form, part related to the present invention is only schematically show in each figure, their not generations
Its practical structures as product of table.
Embodiment one
As shown in Figure 1, the present invention discloses a kind of spherical tire pressure sensing device, including power supply 101, sensor 130, circuit board
110 and transmitting antenna 120 and sphere.
Power supply 101, sensor 130, circuit board 110 and transmitting antenna 120 are installed in sphere, and sensor 130 connects
In the circuit for entering circuit board 110, power supply 101 is electrically connected with the power input of the process circuit on circuit board 110 to be supplied
Electricity, transmitting antenna 120 are electrically connected with the metrical information of transmission sensor 130 with the process circuit output terminal on circuit board 110, pass
Sensor 130 can also possess measurement temperature function, spherome surface is provided with to be turned on sensor 130 in addition to having measurement pressure functional
Venthole 210 with by the environment in tire and sensor 130 conducting be convenient for measuring.
The shape of spherical tire pressure sensing device be arranged to can free rolling spherical structure, it can be directly placed such as tire
In, as shown in Fig. 2, spherical tire pressure sensing device 100 is located in the space of tire 500 and wheel hub 510, in tire rotary course
In, its position is allow under its own weight-driven by rolling near at the minimum point maintained in tire, and then ensure
The relative position of sensing device and tire remains unchanged or keeps small change amplitude, and measuring state is more stablized.
Embodiment two
On the basis of embodiment one, as shown in Figure 1, sphere includes outer sphere 200 and interior spheroid 300, outer sphere 200 is
One ghost, has been internally formed accommodating chamber, interior spheroid 300 is roly-poly type structure, and its radial dimension is less than accommodating chamber, interior spheroid
300 are movably set in accommodating chamber, and in power supply 101, sensor 130, circuit board 110 and transmitting antenna 120 be installed in
Inside sphere 300.Vertical curve when interior spheroid 300 is in stable state by its center of gravity is balanced line, i.e. interior spheroid is in equilibrium-like
The balanced line is directed vertically to ground during state, forced direction of attaching most importance to, namely during tyre rotation, 300 meeting of interior spheroid
Maintain balanced line vertical always or close to vertical state.It is larger that this can ensure that the direction of transmitting antenna 120 will not launch
Change.It is further preferred that transmitting antenna 120 is annular shape, and the vertical line of plane where annulus is parallel with balanced line.It is then interior
Sphere 300 is when inside tires are rotated relative to its balanced line, moreover it is possible to ensures that antenna launch angle is constant, which should be with prison
Receiver in examining system is adapted, and can effectively improve signal strength and stability.
Exemplary, interior spheroid is divided into two parts by the plane without the centre of sphere, and the wherein larger part of volume is encapsulation
Portion 320, the part of small volume is counterweight part 310, and the quality of counterweight part 310 is more than encapsulation part 320, then interior spheroid is formed
One tumbler structure, center of gravity are located at the lower section of the centre of sphere under placement state in Fig. 1, then disturb sphere in tyre rotation
When, interior spheroid 300 has the movement tendency for recovering center of gravity in extreme lower position, and then drives transmitting antenna thereon to specified angle.
Similar, encapsulation part 320 and counterweight part 310 can be not limited in interior spheroid is divided into two by the plane without the centre of sphere
The dividing mode divided, only need to meet that the quality of counterweight part 310 is more than encapsulation part 320, and the volume of counterweight part 310 is less than encapsulation part
320, it is possible to form tumbler structure, encapsulation part 320 is formed for plastic packaging, can be by power supply 101, sensor during plastic packaging
130th, circuit board 110 and transmitting antenna 120 are packaged in inside it.
Embodiment three
On the basis of embodiment two, some balls 400 are placed between outer sphere 200 and interior spheroid 300.Interior spheroid
300 are rolled by rolling friction in outer sphere 200, it is possible to reduce the resistance movable in outer sphere 200 of interior spheroid 300, obtains
To return to equilibrium state faster, the direction change smaller of transmitting antenna 120 may be such that.Exemplary, ball 400 can be uniform
The inner surface for being installed in accommodating chamber forms sphere.
Invention additionally discloses the spherical tire pressure sensing dress of a kind of tire pressure monitoring system, including previous embodiment one, two, three
Put, spherical tire pressure sensing device is located in tire, can be adapted for the transfer instrument for including tire.
It should be noted that above-described embodiment can be freely combined as needed.The above is only the preferred of the present invention
Embodiment, it is noted that for those skilled in the art, do not departing from the premise of the principle of the invention
Under, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of spherical tire pressure sensing device, including power supply, sensor, circuit board and transmitting antenna;It is characterized in that, into one
Step includes:Sphere, wherein,
The power supply, the sensor, the circuit board and the transmitting antenna are installed in the sphere, the sphere
Surface is provided with the venthole with the sensor conducts.
2. spherical tire pressure sensing device according to claim 1, it is characterised in that the sphere includes:
Outer sphere, has been internally formed accommodating chamber, and,
Interior spheroid, is roly-poly type structure, and its radial dimension is less than the accommodating chamber, and the interior spheroid is movably set in described
In accommodating chamber, the power supply, the sensor, the circuit board and the transmitting antenna are installed in inside the interior spheroid.
3. spherical tire pressure sensing device according to claim 2, it is characterised in that when the interior spheroid is in equilibrium state
Vertical curve by its center of gravity is balanced line;
The transmitting antenna is annular shape, and the vertical line of plane where annulus is parallel with the balanced line.
4. spherical tire pressure sensing device according to claim 2, it is characterised in that the outer sphere and the interior spheroid it
Between be placed with some balls.
5. spherical tire pressure sensing device according to claim 2, it is characterised in that the ball is uniformly installed in the appearance
Receive chamber inner surface formed sphere.
6. according to any spherical tire pressure sensing devices of claim 2-5, it is characterised in that the interior spheroid includes counterweight
Portion and encapsulation part, the quality of the counterweight part is more than the encapsulation part, and the volume of the counterweight part is less than the encapsulation part;Its
In,
The power supply, the sensor, the circuit board and the transmitting antenna are encapsulated into the encapsulation part.
7. spherical tire pressure sensing device according to claim 6, it is characterised in that the sphere is by without the flat of the centre of sphere
Face is divided into two parts, and the wherein larger part of volume is the encapsulation part, and the part of small volume is the counterweight part.
A kind of 8. tire pressure monitoring system, suitable for the transfer instrument including tire, it is characterised in that including according to claim 1-
7 any spherical tire pressure sensing devices, the spherical tire pressure sensing device are located in the tire.
Priority Applications (1)
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CN201711396445.6A CN107914529A (en) | 2017-12-21 | 2017-12-21 | A kind of spherical tire pressure sensing device and tire pressure monitoring system |
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CN201711396445.6A CN107914529A (en) | 2017-12-21 | 2017-12-21 | A kind of spherical tire pressure sensing device and tire pressure monitoring system |
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CN201711396445.6A Pending CN107914529A (en) | 2017-12-21 | 2017-12-21 | A kind of spherical tire pressure sensing device and tire pressure monitoring system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108973537A (en) * | 2018-08-06 | 2018-12-11 | 上海为彪汽配制造有限公司 | A kind of tire wear detection device and tire wear detection method |
CN110595451A (en) * | 2019-10-08 | 2019-12-20 | 东莞市福鹰电子有限公司 | Spherical landmark device |
Citations (5)
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US5081443A (en) * | 1987-06-02 | 1992-01-14 | Christoph Breit | Device for protecting the systems and load of motor vehicles |
US20020029626A1 (en) * | 1998-11-13 | 2002-03-14 | Koch Russell W. | Non-attached monitoring assembly for pneumatic tire |
US20040154388A1 (en) * | 2003-02-04 | 2004-08-12 | Wilson Paul B. | Non-attached tire monitoring device |
CN201670063U (en) * | 2010-05-11 | 2010-12-15 | 东莞市伟盈汽车科技有限公司 | External tire pressure monitoring sensor-transmitter with annular battery |
CN207772804U (en) * | 2017-12-21 | 2018-08-28 | 上海为彪汽配制造有限公司 | A kind of spherical shape tire pressure sensing device and tire pressure monitoring system |
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2017
- 2017-12-21 CN CN201711396445.6A patent/CN107914529A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5081443A (en) * | 1987-06-02 | 1992-01-14 | Christoph Breit | Device for protecting the systems and load of motor vehicles |
US20020029626A1 (en) * | 1998-11-13 | 2002-03-14 | Koch Russell W. | Non-attached monitoring assembly for pneumatic tire |
US20040154388A1 (en) * | 2003-02-04 | 2004-08-12 | Wilson Paul B. | Non-attached tire monitoring device |
CN201670063U (en) * | 2010-05-11 | 2010-12-15 | 东莞市伟盈汽车科技有限公司 | External tire pressure monitoring sensor-transmitter with annular battery |
CN207772804U (en) * | 2017-12-21 | 2018-08-28 | 上海为彪汽配制造有限公司 | A kind of spherical shape tire pressure sensing device and tire pressure monitoring system |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108973537A (en) * | 2018-08-06 | 2018-12-11 | 上海为彪汽配制造有限公司 | A kind of tire wear detection device and tire wear detection method |
CN108973537B (en) * | 2018-08-06 | 2020-12-01 | 上海为彪汽配制造有限公司 | Tire wear detection device and tire wear detection method |
CN110595451A (en) * | 2019-10-08 | 2019-12-20 | 东莞市福鹰电子有限公司 | Spherical landmark device |
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