CN202278938U - Vehicle inner tire and tire pressure monitoring system thereof - Google Patents
Vehicle inner tire and tire pressure monitoring system thereof Download PDFInfo
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- CN202278938U CN202278938U CN2011203363297U CN201120336329U CN202278938U CN 202278938 U CN202278938 U CN 202278938U CN 2011203363297 U CN2011203363297 U CN 2011203363297U CN 201120336329 U CN201120336329 U CN 201120336329U CN 202278938 U CN202278938 U CN 202278938U
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Abstract
The utility model discloses a vehicle inner tire and a tire pressure monitoring system thereof. A tire pressure monitoring module of the tire pressure monitoring system comprises a pressure sensor, a signal conditioning circuit, an ultralow power consumption microcontroller and a radio frequency transceiver module, wherein the pressure sensor is used for monitoring the pressure of an inner tire for a vehicle and outputting a tire pressure signal; the signal conditioning circuit is used for receiving the tire pressure signal output by the pressure sensor and outputting the tire pressure signal after carrying out amplification and filter processes; the ultralow power consumption microcontroller is used for receiving the tire pressure signal output by the signal conditioning circuit and respectively comparing with a high pressure threshold and a low pressure threshold, if the tire pressure signal is lower than the lower pressure threshold or higher than the high pressure threshold, outputting the tire pressure signal, and starting a carrier wave monitoring function to control the radio frequency transceiver module to be in a sleeping state and switching the ultralow power consumption microcontroller to be in a low power consumption mode if the tire pressure signal is not lower than the low pressure threshold and is not higher than the high pressure threshold; and the radio frequency transceiver module is used for transmitting the tire signal output by the ultralow power consumption microcontroller. Therefore, a requirement of reducing the power consumption of the tire pressure monitoring system is realized by low cost.
Description
Technical field
The utility model relates to automobile-used tires such as a kind of automobile, truck, relates in particular to a kind of inner tube of vehicle tyre and tire pressure monitoring system thereof.
Background technology
Have data to show, the traffic accident that causes by blowing out shared ratio in pernicious traffic accident is very high, and all can cause in the factor of blowing out tire pressure not enough in being first cause.And when tire pressure is too high, can reduce tire and ground-surface area of contact, and the pressure that this moment, tire bore improves relatively, the earth-grasping force of tire can be affected, thereby constitutes potential safety hazard.In addition, when vehicle passes through ditch or jolts the road surface, do not have enough spaces absorbing vibration in the tire, except stability and travelling comfort that influence is gone, also can cause impact to put more effort, can bring harm thus yet suspension.The hidden danger of when high temperature, blowing out simultaneously, also can increase accordingly.Therefore, the tire pressure to vehicle in vehicle traveling process carries out real-time automatic monitoring, is the important means of protecting traffic safety.
At present, a kind of tire pressure monitoring system (TPMS, Tire Pressure Monitoring System) has been installed on the part compact car; As depicted in figs. 1 and 2, this tire pressure monitoring system comprises TPMS tire inner module and TPMS central module, wherein; TPMS tire inner module is installed in the inner tube of a tyre of treating measuring car, and a TPMS tire inner module is installed in each inner tube of a tyre, and TPMS tire inner module is equipped with dual mode usually; Utilize the tire tube valve installation and utilize the lock ring button to be installed on the wheel hub; No matter adopt which kind of mode, the tire inner module all will be installed in the liner plate back in the wheel cowl, and needs special-purpose dove-tail form emitting antenna to carry out signal transmitting and receiving.TPMS tire inner module generally comprises pressure sensor, temperature sensor, microcontroller and RF receiving and transmission module; These sensors carry out real-time automatic monitoring to inner tube of a tyre tire pressure, temperature in vehicle stationary or driving process; And inner tube of a tyre high pressure, low pressure, high temperature reported to the police; In order to reach purpose of power saving, the tire pressure monitoring system that has has also installed acceleration pick-up additional or has waken chip up.And in the operator's compartment of the common mounting vehicle of TPMS central authorities receiver module, it comprises RF receiving and transmission module, microcontroller, alarm module, and what have has also designed the communication interface with PC.After the alerting signal that TPMS tire inner module produces is launched through its first RF receiving and transmission module; First RF receiving and transmission module by TPMS central authorities receiver module captures; Alerting signal is output demonstration on display module after TPMS central authorities receiver module is handled, thereby reminds the state of the current inner tube of a tyre of chaufeur.And the startup of TPMS tire inner module with close and can control by the TPMS central module.
Yet above-mentioned tire pressure monitoring system is for reducing power consumption, need be TPMS tire inner module outside acceleration pick-up with wake chip up, make the system cost increase.
The utility model content
The purpose of the utility model is to provide a kind of inner tube of vehicle tyre and tire pressure monitoring system thereof, and implemented with low cost reduces the power consumption of tire pressure monitoring system.
For achieving the above object, the utility model provides a kind of tire pressure monitoring system on the one hand, comprises tire pressure monitoring module and central receiver module, wherein,
Said tire pressure monitoring module comprises:
Pressure sensor is used to monitor the tire pressure of inner tube of vehicle tyre, output tire pressure signal;
Signal conditioning circuit is used to receive the tire pressure signal of said pressure sensor output, with said tire pressure signal amplify with Filtering Processing after export;
The first super low-power consumption microcontroller; Be used to receive the tire pressure signal of said signal conditioning circuit output; It is compared with setting HVT high voltage threshold and low pressure threshold respectively; If said tire pressure signal is lower than said low pressure threshold or is higher than said HVT high voltage threshold then exports said tire pressure signal,, then start the carrier sense function if said tire pressure signal is not less than said low pressure threshold and is not higher than said HVT high voltage threshold; Control said first RF receiving and transmission module and get into dormant state, and self also is configured to low-power consumption mode;
First RF receiving and transmission module is used for the tire pressure signal of said first super low-power consumption microcontroller output is launched;
Said central receiver module comprises:
Second RF receiving and transmission module is used to receive the tire pressure signal of said first RF receiving and transmission module emission and with its output;
The second super low-power consumption microcontroller; Be used to receive the tire pressure signal of said second RF receiving and transmission module output; It is compared with said setting HVT high voltage threshold and said low pressure threshold respectively; If said tire pressure signal is lower than said low pressure threshold or is higher than said HVT high voltage threshold then output alarm signal,, then start the carrier sense function if said tire pressure signal is not less than said low pressure threshold and is not higher than said HVT high voltage threshold; Control said second RF receiving and transmission module and get into dormant state, and self also is configured to low-power consumption mode;
Alarm module is used to receive the alerting signal that the said second super low-power consumption microcontroller is exported, and exports corresponding alarm voice;
Display module is used to receive the alerting signal that the said second super low-power consumption microcontroller is exported, and output shows corresponding alarm message.
The tire pressure monitoring system of the utility model; Said pressure sensor comprises that model is US9011 pressure drag type pressure capsule and peripheral circuit thereof; Said signal conditioning circuit comprises that model is instrument amplifier and the peripheral circuit thereof of LTC2053; The said first super low-power consumption microcontroller comprises that model is micro controller system and the peripheral circuit thereof of MSP430F149; Said first RF receiving and transmission module comprises that model is rf chip and the peripheral circuit thereof of CC1101; And with its power frequency of said rf chip coupling be the antenna matching network of 433MHz, wherein, the 6th of said pressure drag type pressure capsule links to each other with the 3rd pin through the 2nd of a resistance correspondence and said instrument amplifier respectively with the 2nd pin; The 7th pin of said instrument amplifier links to each other with the 3rd pin of said micro controller system, and the 38th, the 40th, the 42nd, the 44th, the 46th of said micro controller system links to each other with the 20th pin with the 7th, the 6th, the 3rd, the 2nd, the 1st of said rf chip with the 48th pin is respectively corresponding.
The tire pressure monitoring system of the utility model; The said second super low-power consumption microcontroller comprises that model is micro controller system and the peripheral circuit thereof of MSP430F149; Said second RF receiving and transmission module comprise model be CC1101 rf chip and peripheral circuit thereof and with the antenna matching network of said rf chip coupling; Wherein, the the the 38th of said micro controller system the, the 40th, the 42nd, the 44th, the 46th links to each other with the 20th pin with the 7th, the 6th, the 3rd, the 2nd, the 1st of said rf chip with the 48th pin is respectively corresponding.
The tire pressure monitoring system of the utility model, the power frequency of said antenna matching network are 433MHz, and the 32nd and the 33rd pin of the said second super low-power consumption microcontroller is circumscribed with the UART serial interface.
Again on the one hand; The utility model also provides a kind of inner tube of vehicle tyre; Comprise the annular arrangement spring tube, the tire tube valve of metal material is installed on the said annular arrangement spring tube, also comprise the aforesaid tire pressure monitoring module that is installed in the annular arrangement spring tube; The mouth of first RF receiving and transmission module of said tire pressure monitoring module is electrically connected with said tire tube valve, promptly uses the dual-mode antenna of said tire tube valve as said RF receiving and transmission module.
The inner tube of vehicle tyre of the utility model; Said tire pressure monitoring module places in the box body that has an air extractor vent; The metal connecting tube that is electrically connected with the mouth of said first RF receiving and transmission module is installed on the said box body; The part of going deep in the said box body of said metal connecting tube is provided with gas port, and the end of said hollow conductive connection pipe links to each other with the root of said tire tube valve.
The inner tube of vehicle tyre of the utility model; Said hollow conductive connection pipe is hollow bolt of rear end plate; The part of going deep in the said box body of said hollow bolt of rear end plate is weldingly fixed in the said box body, and stretch out outside the said annular arrangement spring tube upper end of said hollow bolt of rear end plate, and said hollow bolt of rear end plate is fixed on the said annular arrangement spring tube through the external fixation nut; The root of said tire tube valve is provided with negative thread, and the end of said hollow bolt of rear end plate is connected with the root sealing thread of said tire tube valve.
The inner tube of vehicle tyre of the utility model; Be provided with outer plate between said external fixation bolt and the said annular arrangement spring tube; Be provided with outer rubber cushion between the outside face of said outer plate and said annular arrangement spring tube, said box body and and the inside face of the annular arrangement spring tube of its joint between be provided with interior rubber cushion.
The tire pressure monitoring module of the tire pressure monitoring system of the utility model comprises pressure sensor, is used to monitor the tire pressure of inner tube of vehicle tyre, output tire pressure signal; Signal conditioning circuit is used to receive the tire pressure signal of pressure sensor output, with the tire pressure signal amplify with Filtering Processing after export; The super low-power consumption microcontroller; The tire pressure signal that is used for the output of receiving signal reason circuit compares with setting HVT high voltage threshold it respectively with low pressure threshold, perhaps be higher than HVT high voltage threshold then export the tire pressure signal if the tire pressure signal is lower than low pressure threshold; If the tire pressure signal is not less than low pressure threshold and is not higher than HVT high voltage threshold; Then start the carrier sense function, the control RF receiving and transmission module gets into dormant state, and self also is configured to low-power consumption mode; RF receiving and transmission module is used for the tire pressure signal of super low-power consumption microcontroller output is launched.Thereby realized not having acceleration pick-up and waking up under the situation of chip, satisfied the low-power consumption requirement of tire pressure monitoring module, promptly implemented with low cost reduce the requirement of the power consumption of tire pressure monitoring system.
Description of drawings
Fig. 1 is the structured flowchart of the TPMS tire inner module of existing tire pressure monitoring system;
Fig. 2 is the structured flowchart of the TPMS central module of existing tire pressure monitoring system;
Fig. 3 is the structured flowchart of tire pressure monitoring module of the tire pressure monitoring system of the utility model;
Fig. 4 is the structured flowchart of central receiver module of the tire pressure monitoring system of the utility model;
Fig. 5 is the schematic circuit diagram of tire pressure monitoring module of the tire pressure monitoring system of the utility model;
Fig. 6 is the schematic circuit diagram of central receiver module of the tire pressure monitoring system of the utility model;
Fig. 7 is the local structure scheme drawing of the inner tube of vehicle tyre that is built-in with the tire pressure monitoring module of the utility model.
The specific embodiment
Be described in detail below in conjunction with the specific embodiment of accompanying drawing the utility model:
The tire pressure monitoring system of present embodiment comprises tire pressure monitoring module and central processing module, and with reference to shown in Figure 3, wherein, the tire pressure monitoring module comprises pressure sensor 11, is used to monitor the tire pressure of inner tube of vehicle tyre, output tire pressure signal; Signal conditioning circuit 12 is used to receive the tire pressure signal of pressure sensor 11 outputs, with the tire pressure signal amplify with Filtering Processing after export; Super low-power consumption microcontroller 13; The tire pressure signal that is used for 12 outputs of receiving signal reason circuit compares with setting HVT high voltage threshold it respectively with low pressure threshold, perhaps be higher than HVT high voltage threshold then export the tire pressure signal if the tire pressure signal is lower than low pressure threshold; If the tire pressure signal is not less than low pressure threshold and is not higher than HVT high voltage threshold; Then start the carrier sense function, control RF receiving and transmission module 14 gets into dormant state, and self also is configured to low-power consumption mode; RF receiving and transmission module 14 is used for the tire pressure signal of super low-power consumption microcontroller 13 outputs is launched.
In conjunction with shown in Figure 4, wherein, central processing module comprises RF receiving and transmission module 21, be used to receive the tire pressure monitoring module RF receiving and transmission module 14 emissions the tire pressure signal and with its output; Super low-power consumption microcontroller 22; The tire pressure signal that is used for 21 outputs of received RF transceiver module compares it respectively with setting HVT high voltage threshold and low pressure threshold, if the tire pressure signal is lower than low pressure threshold or is higher than HVT high voltage threshold then output alarm signal; If the tire pressure signal is not less than low pressure threshold and is not higher than HVT high voltage threshold; Then start the carrier sense function, control RF receiving and transmission module 21 gets into dormant state and (promptly intercepts electromagnetic wave faint in the air, if identical or closely similar with the setpoint frequency of oneself; Control the RF receiving and transmission module 21 entering receiving condition that will be activated so; Receive data subsequently, otherwise can get back to dormant state once more), and self also is configured to low-power consumption mode; Alarm module 23 is used to receive the alerting signal that super low-power consumption microcontroller 22 is exported, and exports corresponding alarm voice; Display module 24 is used to receive the alerting signal that super low-power consumption microcontroller 22 is exported, and output shows corresponding alarm message.The startup of the tire pressure monitoring module of present embodiment with close and can control by central processing module, this also be with the radio-frequency module of tire pressure monitoring module and central processing module radio-frequency module all be chosen as one of reason of RF receiving and transmission module.
In order to reach the requirement of further reduction power consumption, the super low-power consumption in the tire pressure monitoring system of present embodiment is that treater can adopt the interruption of work mode as far as possible in course of normal operation, and replaces tediously long computed in software with the fast speed look-up table.
In conjunction with shown in Figure 5; In the tire pressure monitoring module; Pressure sensor 11 is US9011 pressure drag type pressure capsule and peripheral circuit thereof for model; Signal conditioning circuit 12 is instrument amplifier and the peripheral circuit thereof of LTC2053 for model; Super low-power consumption microcontroller 13 comprises that model is micro controller system and the peripheral circuit thereof of MSP430F149, and RF receiving and transmission module 14 comprises that model is rf chip and the peripheral circuit thereof of CC1101, and with the power frequency of rf chip coupling be the antenna matching network of 433MHz.Wherein, The 6th of pressure drag type pressure capsule links to each other with the 3rd pin through the 2nd of a resistance correspondence and instrument amplifier respectively with the 2nd pin; Pressure drag type pressure capsule can provide a pair of differential signal by the 2nd pin and the 6th pin according to real-time tire pressure; Measurement range can reach tens standard atmospheres, and the 7th pin of instrument amplifier links to each other with the 3rd pin of micro controller system.The the 38th, the 40th, the 42nd, the 44th, the 46th of micro controller system links to each other with the 20th pin with the 7th, the 6th, the 3rd, the 2nd, the 1st of rf chip with the 48th pin is respectively corresponding.The mode of operation of rf chip, transceive data etc. are by Single-chip Controlling; Micro controller system is regularly opened voltage stabilizing chip MIC5205; To pressure drag type pressure capsule and signal conditioning circuit power supply; Obtain the real-time pressure data, antenna matching network mainly is to guarantee that rf chip can be with frequency transceive data stable, nominal.And whole tire pressure monitoring module has battery BT power supply.
In conjunction with shown in Figure 6; In the central processing module; Super low-power consumption microcontroller 22 comprises that model is micro controller system and the peripheral circuit thereof of MSP430F149; RF receiving and transmission module 21 comprises that model is rf chip and the peripheral circuit thereof of CC1101, and with the power frequency of rf chip coupling be the antenna matching network of 433MHz.Wherein, alarm module 23 is the sound and light alarm module.The the 14th and the 15th pin of micro controller system is connected to the display data output interface, and the external LCD liquid crystal display of display data output interface has just constituted the display module 24 of central processing module.The the 38th, the 40th, the 42nd, the 44th, the 46th of micro controller system links to each other with the 20th pin with the 7th, the 6th, the 3rd, the 2nd, the 1st of rf chip with the 48th pin is respectively corresponding.In order to realize the communication of central processing module and upper computer, for the ease of system update and setting pressure threshold value, native system is provided with the communication port with PC at central receiver module end, and the 32nd and the 33rd pin of micro controller system is circumscribed with the UART serial interface.
In use, the central processing module of present embodiment generally is installed in the operator's compartment, and the tire pressure monitoring module is then as shown in Figure 7; Be installed in the annular arrangement spring tube 2 of each inner tube of vehicle tyre; The mouth of first RF receiving and transmission module of tire pressure monitoring module is electrically connected with the tire tube valve 101 of metal material on being installed in annular arrangement spring tube 2, generally, makes the high frequency emergent power maximum; Preferably use independently emitting antenna; Present embodiment has utilized independently dual-mode antenna of tire tube valve 101 conducts cleverly, and just in time satisfies the unipole designing requirement, also is that the length of unipole should be the quarter wave that transmits; The antenna matching network of present embodiment adopts the 433MHz work frequency; Its quarter wave is about 18 centimetres, and tire tube valve 101 just is about about 20 centimetres, thereby has avoided the special communication antenna of design and installation.Continuation is with reference to figure 7; This tire pressure monitoring module places in the box body 100 that has an air extractor vent 108; Air extractor vent 108 is used to make things convenient for the tire pressure of the pressure sensor 11 perception inner tube of vehicle tyre of tire pressure monitoring module; The hollow bolt of rear end plate 102 that is electrically connected with the mouth of the RF receiving and transmission module of tire pressure monitoring module is installed on the box body 100; The part of going deep in the box body 100 of hollow bolt of rear end plate 102 is provided with gas port 107, so do not influence the gas that charges and discharge of tire, the part of going deep in the box body 100 of hollow bolt of rear end plate 102 is weldingly fixed in the box body 100; Stretch out outside the annular arrangement spring tube 2 upper end of hollow bolt of rear end plate 102; Hollow bolt of rear end plate 102 is fixed on the annular arrangement spring tube 2 through external fixation nut 103, and the root of tire tube valve 101 is provided with negative thread, and the end of hollow bolt of rear end plate 102 is connected with the root sealing thread of tire tube valve 101.For reliable connection; Be provided with outer plate 104 between external fixation bolt 102 and the annular arrangement spring tube 2; When external fixation nut 103 was fastening, box body 100 was by being fixed on the annular arrangement spring tube 2 tightly, and simultaneously in order to prevent that box body 100 and outer plate 104 from damaging annular arrangement spring tubes 2; Be provided with outer rubber cushion 105 between the outside face of outer plate 104 and annular arrangement spring tube 2, box body 100 and and the inside face of the annular arrangement spring tube 2 of its joint between be provided with in rubber cushion 106.
Above embodiment describes the preferred implementation of the utility model; Be not that scope to the utility model limits; Under the prerequisite that does not break away from the utility model design spirit; Various distortion and improvement that the common engineering staff in this area make the technical scheme of the utility model all should fall in the protection domain that claims of the utility model confirm.
Claims (8)
1. tire pressure monitoring system,, it is characterized in that, comprise tire pressure monitoring module and central receiver module, wherein,
Said tire pressure monitoring module comprises:
Pressure sensor is used to monitor the tire pressure of inner tube of vehicle tyre, output tire pressure signal;
Signal conditioning circuit is used to receive the tire pressure signal of said pressure sensor output, with said tire pressure signal amplify with Filtering Processing after export;
The first super low-power consumption microcontroller; Be used to receive the tire pressure signal of said signal conditioning circuit output; It is compared with setting HVT high voltage threshold and low pressure threshold respectively; If said tire pressure signal is lower than said low pressure threshold or is higher than said HVT high voltage threshold then exports said tire pressure signal,, then start the carrier sense function if said tire pressure signal is not less than said low pressure threshold and is not higher than said HVT high voltage threshold; Control said first RF receiving and transmission module and get into dormant state, and self also is configured to low-power consumption mode;
First RF receiving and transmission module is used for the tire pressure signal of said first super low-power consumption microcontroller output is launched;
Said central receiver module comprises:
Second RF receiving and transmission module is used to receive the tire pressure signal of said first RF receiving and transmission module emission and with its output;
The second super low-power consumption microcontroller; Be used to receive the tire pressure signal of said second RF receiving and transmission module output; It is compared with said setting HVT high voltage threshold and said low pressure threshold respectively; If said tire pressure signal is lower than said low pressure threshold or is higher than said HVT high voltage threshold then output alarm signal,, then start the carrier sense function if said tire pressure signal is not less than said low pressure threshold and is not higher than said HVT high voltage threshold; Control said second RF receiving and transmission module and get into dormant state, and self also is configured to low-power consumption mode;
Alarm module is used to receive the alerting signal that the said second super low-power consumption microcontroller is exported, and exports corresponding alarm voice;
Display module is used to receive the alerting signal that the said second super low-power consumption microcontroller is exported, and output shows corresponding alarm message.
2. tire pressure monitoring system according to claim 1; It is characterized in that; Said pressure sensor comprises that model is US9011 pressure drag type pressure capsule and peripheral circuit thereof; Said signal conditioning circuit comprises that model is instrument amplifier and the peripheral circuit thereof of LTC2053; The said first super low-power consumption microcontroller comprises that model is micro controller system and the peripheral circuit thereof of MSP430F149; Said first RF receiving and transmission module comprises that model is rf chip and the peripheral circuit thereof of CC1101; And with its power frequency of said rf chip coupling be the antenna matching network of 433MHz, wherein, the 6th of said pressure drag type pressure capsule links to each other with the 3rd pin through the 2nd of a resistance correspondence and said instrument amplifier respectively with the 2nd pin; The 7th pin of said instrument amplifier links to each other with the 3rd pin of said micro controller system, and the 38th, the 40th, the 42nd, the 44th, the 46th of said micro controller system links to each other with the 20th pin with the 7th, the 6th, the 3rd, the 2nd, the 1st of said rf chip with the 48th pin is respectively corresponding.
3. tire pressure monitoring system according to claim 2; It is characterized in that; The said second super low-power consumption microcontroller comprises that model is micro controller system and the peripheral circuit thereof of MSP430F149; Said second RF receiving and transmission module comprise model be CC1101 rf chip and peripheral circuit thereof and with the antenna matching network of said rf chip coupling; Wherein, the the the 38th of said micro controller system the, the 40th, the 42nd, the 44th, the 46th links to each other with the 20th pin with the 7th, the 6th, the 3rd, the 2nd, the 1st of said rf chip with the 48th pin is respectively corresponding.
4. tire pressure monitoring system according to claim 3 is characterized in that, the power frequency of said antenna matching network is 433MHz, and the 32nd and the 33rd pin of the said second super low-power consumption microcontroller is circumscribed with the UART serial interface.
5. inner tube of vehicle tyre; Comprise annular arrangement spring tube (2); The tire tube valve (101) of metal material is installed on the said annular arrangement spring tube (2), it is characterized in that, also comprise the tire pressure monitoring module as claimed in claim 1 that is installed in the annular arrangement spring tube (2); The mouth of first RF receiving and transmission module of said tire pressure monitoring module is electrically connected with said tire tube valve (101), promptly uses the dual-mode antenna of said tire tube valve (101) as said RF receiving and transmission module.
6. inner tube of vehicle tyre according to claim 5; It is characterized in that; Said tire pressure monitoring module places in the box body (100) that has air extractor vent (108); The metal connecting tube that is electrically connected with the mouth of said first RF receiving and transmission module is installed on the said box body (100), and the part of going deep in the said box body (100) of said metal connecting tube is provided with gas port (107), and the end of said hollow conductive connection pipe links to each other with the root of said tire tube valve (101).
7. inner tube of vehicle tyre according to claim 6; It is characterized in that; Said hollow conductive connection pipe is hollow bolt of rear end plate (102); The part of going deep in the said box body (100) of said hollow bolt of rear end plate (102) is weldingly fixed in the said box body (100), and stretch out outside the said annular arrangement spring tube (2) upper end of said hollow bolt of rear end plate (102), and said hollow bolt of rear end plate (102) is fixed on the said annular arrangement spring tube (2) through external fixation nut (103); The root of said tire tube valve (101) is provided with negative thread, and the end of said hollow bolt of rear end plate (102) is connected with the root sealing thread of said tire tube valve (101).
8. inner tube of vehicle tyre according to claim 7; It is characterized in that; Be provided with outer plate (104) between said hollow bolt of rear end plate (102) and the said annular arrangement spring tube (2); Be provided with outer rubber cushion (105) between the outside face of said outer plate (104) and said annular arrangement spring tube (2), said box body (100) and and the inside face of the annular arrangement spring tube (2) of its joint between be provided with interior rubber cushion (106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203363297U CN202278938U (en) | 2011-09-08 | 2011-09-08 | Vehicle inner tire and tire pressure monitoring system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203363297U CN202278938U (en) | 2011-09-08 | 2011-09-08 | Vehicle inner tire and tire pressure monitoring system thereof |
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| CN202278938U true CN202278938U (en) | 2012-06-20 |
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| CN2011203363297U Expired - Fee Related CN202278938U (en) | 2011-09-08 | 2011-09-08 | Vehicle inner tire and tire pressure monitoring system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107433828A (en) * | 2017-08-14 | 2017-12-05 | 北京车和家信息技术有限责任公司 | Tire pressure monitoring system, vehicle, tire pressure monitoring method and computer equipment |
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2011
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107433828A (en) * | 2017-08-14 | 2017-12-05 | 北京车和家信息技术有限责任公司 | Tire pressure monitoring system, vehicle, tire pressure monitoring method and computer equipment |
| CN107433828B (en) * | 2017-08-14 | 2020-05-22 | 北京车和家信息技术有限责任公司 | Tire pressure monitoring system, vehicle, tire pressure monitoring method and computer equipment |
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Correction item: Patentee Correct: Huainan victory Automotive Electronic Technology Co., Ltd.|232000 Anhui Province, Huainan city tianjia'an District Quanshan Cheng Guo Village No. 82-1. False: Huainan victory Automotive Electronic Technology Co., Ltd.|13605548357 Anhui Province, Huainan city tianjia'an District Quanshan Cheng Guo Village No. 82-1. Number: 48 Volume: 28 |
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