CN103303073A

CN103303073A - Tire monitoring device

Info

Publication number: CN103303073A
Application number: CN2012100627339A
Authority: CN
Inventors: 杨国华
Original assignee: ORO TECHNOLOGY Co Ltd
Current assignee: ORO TECHNOLOGY Co Ltd
Priority date: 2012-03-07
Filing date: 2012-03-07
Publication date: 2013-09-18

Abstract

The invention reveals a tire monitoring device for monitoring the degree of wear of a tire. The tire monitoring device includes a lead and a controller, wherein the lead is arranged on the tire and is connected with the controller to form a loop. When the tire is worn to a certain degree, the lead is destroyed. The controller sends a warning signal during breakage of the lead so as to remind a vehicle owner to replace the tire, and thus, an accident during driving caused by excessive wear of the tire is prevented.

Description

Apparatus surveillance of pneumatic tyre

Technical field

The invention relates to a kind of apparatus surveillance of pneumatic tyre, and particularly relevant for a kind of apparatus surveillance of pneumatic tyre of monitoring the wear on tyres state.

Background technology

Strengthen day by day for the rules that accident reduces and pedestrains safety is protected of locomotive countries in the world; necessary built-in tire pressure monitoring system (the Tire pressure monitoring system of the present clear and definite standard vehicle of Code of Federal Regulations; TPMS); its effect is can do real-time automatic monitoring to tire when car is advanced; send warning signal to driving when too low or temperature is too high when the air pressure of tire, notice is driven side inflation of tire or changing of tire to guarantee traffic safety.

Except temperature and the pressure of tire, the wear state of tire also is the important criteria that whether may use of assessment one tire, in case the tire undue wear may cause that the tire earth-grasping force is not enough, drainage is not good, tyre temperature is too high, and severe patient even can cause and blow out.

In order to monitor the wear state of tire, Patent Case 200639082 just discloses a kind of system and method that can be applied to monitor the wear state of tire, it is by being embedded in radio frequency identification (RFID) label of unique identification in tire, when the damage of RFID label, the wear state of expression tire has reached the standard of changing of tire.Its RFID label can be distributed in the different depth place of tire, or across the same depth of tire, to determine the wear state of tire.

Yet, although RFID label advantage is very many, yet the cost that it is high, its main disappearance that on market, can't extensively be employed, except the high expensive of RFID label own, the signal of launching for detecting the RFID label, need arrange in pairs or groups the last one induction installation regularly to detect the signal that the RFID label is sent, this strong induction installation has the disappearance of highly energy-consuming, and the signal that the RFID label sends is subject to other disturbance of electromagnetic field such as car part, the easy situation that erroneous judgement occurs.

Patent Case I317703 has then disclosed with photoelectric subassembly and has detected the carcass of tire and the mechanism of tread, it is embedded in photoelectric subassembly at tire, when wear on tyres extremely to a certain degree produces the crack, extraneous light sees through the crack and exposes to photoelectric subassembly, this photoelectric subassembly is accepted light and is produced a signal, and the driver answers changing of tire with warning.Yet photoelectric subassembly also has the disappearance of high expensive, in addition, when wear on tyres to a certain degree, may just wear and tear in the lump together with photoelectric subassembly producing the front of crack, and photoelectric subassembly is damaged, can't bring into play warning driver's effect.

Summary of the invention

Therefore, the objective of the invention is is providing a kind of apparatus surveillance of pneumatic tyre, and it can monitor the wear on tyres state, and the possibility that can significantly reduce cost and reduce erroneous judgement.

An aspect of of the present present invention provides a kind of apparatus surveillance of pneumatic tyre, and it is to be arranged on the tire, and tire comprises tyre surface, lay a plurality of tire ditches on the tyre surface, and the relative tyre surface of tire ditch has a degree of depth.This apparatus surveillance of pneumatic tyre comprises a wire and a controller, the two is electrically connected and forms a loop, wire is arranged on the tire and has a wearing and tearing section, the distance of wearing and tearing sections and tyre surface is less than the degree of depth of tire ditch, by the position of wear on tyres to wire wearing and tearing section, can make the fracture of wearing and tearing section and loop formation is opened circuit, to judge the wear state of tire.

According to one embodiment of the invention, its middle controller comprises a sensing component, but the temperature of its sensing tire and/or pressure.

According to one embodiment of the invention, its middle controller comprises a signal processing component, in order to integrate and to send the status signal of tire.

According to one embodiment of the invention, its middle controller is tire pressure supervisory system (Tire Pressure Monitoring System, TPMS).

According to one embodiment of the invention, also comprise a telltale, it is wear state, temperature or pressure in order to display of tyre.

The present invention utilizes a wire and the formed loop of a controller to monitor the wear state of tire, when wear on tyres to a certain degree, make wire wearing and tearing section fracture and loop formation is opened circuit, apparatus surveillance of pneumatic tyre can send a signal to the driver, with warning driver changing of tire.Consumable store-wire used in the present invention is compared with RFID label, the photoelectric subassembly of located by prior art, its low cost, obtains easily, can significantly reduce production costs.In addition, it can be done one with commercially available tire pressure supervisory system (TPMS) and integrate, and monitors simultaneously wear state, temperature and the pressure of tire, allows the driver under most economical cost, can obtain multiple guarantee.

Description of drawings

For above and other purpose of the present invention, feature, advantage and embodiment can be become apparent, appended the description of the drawings is as follows:

Fig. 1 illustrates the partial perspective cutaway view that is installed on tire according to the apparatus surveillance of pneumatic tyre of an embodiment of the present invention;

Fig. 2 is the partial schematic diagram that illustrates Fig. 1;

Fig. 3 is the partial cutaway schematic that illustrates according to the apparatus surveillance of pneumatic tyre of another embodiment of the present invention;

Fig. 4 is the caution schematic diagram that illustrates according to apparatus surveillance of pneumatic tyre of the present invention.

[primary clustering nomenclature]

100: tire 110: carcass

111: tyre surface 112: the tire ditch

113: abrasion point 120: wheel rim

130: valve 200: apparatus surveillance of pneumatic tyre

210: wire 211: the wearing and tearing section

220: control 230: telltale

231: wireless receiving assembly 232: screen

233: conspicuous color T: distance

D: the degree of depth

The specific embodiment

Please refer to Fig. 1 and Fig. 2, Fig. 1 illustrates the partial perspective cutaway view that is installed on tire 100 according to the apparatus surveillance of pneumatic tyre 200 of an embodiment of the present invention, and Fig. 2 is the partial schematic diagram that illustrates Fig. 1.Tire 100 comprises a carcass 110 and a wheel rim 120, and carcass 110 comprises a tyre surface 111, and lays a plurality of tire ditches 112 on tyre surface 111, and each tire ditch 112 relative tyre surfaces 111 have a depth D (seeing Fig. 2).

Apparatus surveillance of pneumatic tyre 200 comprises a wire 210 and a controller 220, and the two is electrically connected and forms a loop.Wire 210 has a wearing and tearing section 211; wearing and tearing section 211 and tyre surface 111 apart from the depth D of T less than tire ditch 112; the position that wearing and tearing section 211 is set; can be used as the index of the degree of wear of carcass 110, along with the wearing and tearing of carcass 110, can be more and more less apart from T; in case equal zero apart from T; wearing and tearing section 211 is understood wear and rupture because of the protection that loses carcass 110, and this Time Controller 220 can send a signal, and the prompting driver is changing of tire 100 as quickly as possible.

Controller 220 can be arranged at the valve 130 interior (figure discloses) of wheel rim 120 or wheel rim 120, wearing and tearing section 211 fractures when wire 210, wire 210 forms with controller 220 formed loops and opens circuit, and makes controller 220 can judge the wear state of tire 100.In the present embodiment, controller 220 is a built-in sensing component (figure does not disclose) also, sensing component can be in order to temperature and the pressure of sensing tire 100, controller 220 also comprises a signal processing component (figure does not disclose), can be in order to the state of integrating tire 100 wear state of temperature, pressure and tire 100 for example, (whether meaning i.e. wearing and tearing section 211 ruptures), and signal sent.In the present embodiment, this controller 220 is a tire pressure monitoring system (Tire pressure Monitoring System, TPMS), the Function Integration Mechanism of the wear state by will monitoring tire 100 is to tire pressure monitoring system (Tire pressure Monitoring System, TPMS), can reduce manufacturing cost on the one hand, the opposing party allows the driver under most economical cost, can obtain multiple guarantee.

Please refer to Fig. 3, it is the partial cutaway schematic that illustrates according to the apparatus surveillance of pneumatic tyre 200 of another embodiment of the present invention.This tire 100 is provided with at least one abrasion point 113 in tire ditch 112, the wearing and tearing section 211 of wire 210 is to trim with the surface that wears away point 113, in case tire 100 wears up to abrasion point 113, the wearing and tearing section 211 of wire 210 is because of direct kiss the earth wear and rupture, abrasion point 113 is known techniques, does not repeat them here.

Please refer to Fig. 4, it is the caution schematic diagram that illustrates according to apparatus surveillance of pneumatic tyre 200 of the present invention.In the present embodiment, apparatus surveillance of pneumatic tyre 200 also comprises a telltale 230, and it is to be placed in the automobile on the instrument carrier panel, perhaps any position that makes things convenient for chaufeur observation, but for the state of driver's monitoring tyres 100.Telltale 230 comprises a wireless receiving assembly 231 and a screen 232, telltale 230 and controller 220 are connected with communication, the status signal of the tire 100 that the signal processing component of controller 220 is integrated, the status signals such as wear state such as temperature, pressure and tire 100, be sent to the wireless receiving assembly 231 of telltale 230 with communication, make the driver can read in screen 232 status signal of tire 100.In Fig. 4, wearing and tearing section 211 (seeing Fig. 2) fracture in one of them tire 100 of automobile, controller 220 can send a signal, after the wireless receiving assembly 231 of telltale 230 monitors signal, the screen 232 of telltale 230 can automatically switch to a caution picture, the correspondence position figure that can occur car body and all tire 100 in the picture, and the tire 100 that will the section of wearing and tearing 211 have ruptured indicates with conspicuous color 233 and cooperates sound and light program, for example above-mentioned conspicuous color 233 comes across in the picture with flashing mode, and sound a buzzer, reach the standard of replacing with the wear state of reminding this tire 100 of driver, should change as quickly as possible to guarantee safety.

By the embodiment of the invention described above as can be known, the wear on tyres state is judged in the loop that the present invention utilizes wire to consist of, when wear on tyres to a certain degree, the wearing and tearing section that is arranged at the wire on the tire causes loop open circuit because of fracture, make controller send a signal and remind the driver, to reach the effect of automatic monitoring measuring wheel tire wear state.When running car on road, the present invention can assist the driver, in the very first time of the tire that should change, warning drivers immediately, remind its as quickly as possible changing of tire, and can effectively prevent because of the caused traffic accident of tire undue wear, greatly promote the safety of traffic driving.The present invention is low cost not only, more can with commercially available common tire pressure monitor as an integration, very convenient in the use.

Although the present invention discloses as above with embodiment; so it is not to limit the present invention; anyly be familiar with this skill person; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking the scope that appending claims defines.

Claims

1. an apparatus surveillance of pneumatic tyre is characterized in that, it is to be arranged on the tire, and this tire comprises a tyre surface, and this tyre surface is laid a plurality of tire ditches, and respectively relative this tyre surface of this tire ditch has a degree of depth, and this apparatus surveillance of pneumatic tyre comprises:

One wire, it is to be arranged on this tire, and this wire has a wearing and tearing section, and the distance of this wearing and tearing section and this tyre surface is less than this degree of depth; And

One controller, itself and this wire are electrically connected and form a loop, borrow this wearing and tearing section fracture, make this loop form the wear state that opens circuit to judge this tire.

2. apparatus surveillance of pneumatic tyre according to claim 1 is characterized in that, this controller comprises a sensing component.

3. apparatus surveillance of pneumatic tyre according to claim 2 is characterized in that, this sensing component is the temperature in order to this tire of sensing.

4. apparatus surveillance of pneumatic tyre according to claim 2 is characterized in that, this sensing component is the pressure in order to this tire of sensing.

5. apparatus surveillance of pneumatic tyre according to claim 1 is characterized in that, this controller comprises a signal processing component, integrates and send a status signal of this tire.

6. apparatus surveillance of pneumatic tyre according to claim 1 is characterized in that, this controller is a tire pressure supervisory system.

7. apparatus surveillance of pneumatic tyre according to claim 1 is characterized in that, also comprises a telltale.

8. apparatus surveillance of pneumatic tyre according to claim 7 is characterized in that, this telltale is in order to show this wear state of this tire.

9. apparatus surveillance of pneumatic tyre according to claim 7 is characterized in that, this telltale is in order to show this temperature of this tire.

10. apparatus surveillance of pneumatic tyre according to claim 7 is characterized in that, this telltale is in order to show this pressure of this tire.