CN201456949U - Automobile tyre pressure detecting device - Google Patents

Automobile tyre pressure detecting device Download PDF

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Publication number
CN201456949U
CN201456949U CN2009200744603U CN200920074460U CN201456949U CN 201456949 U CN201456949 U CN 201456949U CN 2009200744603 U CN2009200744603 U CN 2009200744603U CN 200920074460 U CN200920074460 U CN 200920074460U CN 201456949 U CN201456949 U CN 201456949U
Authority
CN
China
Prior art keywords
tire
pressure
temperature
tyre
alarm
Prior art date
Application number
CN2009200744603U
Other languages
Chinese (zh)
Inventor
顾常飞
罗来军
汤则萱
冯明
郭长江
邵东山
Original Assignee
联创汽车电子有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 联创汽车电子有限公司 filed Critical 联创汽车电子有限公司
Priority to CN2009200744603U priority Critical patent/CN201456949U/en
Application granted granted Critical
Publication of CN201456949U publication Critical patent/CN201456949U/en

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Abstract

The utility model discloses an automobile tyre pressure detecting device, which comprises a tyre pressure sensor module and a tyre pressure monitoring display. The tyre pressure sensor module is arranged in the automobile tyre and is used to detect the temperature and pressure of the tyre and transmit the detection information to the tyre pressure monitoring display in a wireless manner. The tyre pressure monitoring display is arranged in a cab and is used to receive the information of the tyre pressure sensor module and monitor and display the temperature and pressure of the tyre. Wherein, the tyre pressure monitoring display comprises a temperature detecting device for detecting the interior temperature and displaying the detected interior temperature on the tyre pressure monitoring display. The utility model can detect the temperature and pressure of the automobile tyre and the interior temperature in real time so that the driver can know the interior temperature at any time, adjust the temperature in time and improve the interior comfort level.

Description

The automotive tire pressure detecting device

Technical field

The utility model relates to a kind of automotive tire pressure detecting device.

Background technology

Tire is the important component part of automobile chassis.As important supporting member and walking element, tire is not only carrying the all-mass of automobile, and also will advance to automobile provides propulsive force, plays the effect that relaxes ground shock simultaneously.Tire all plays a part very crucial to the economy of road-holding property, ride comfort, safety, traveling comfort and the fuel oil of automobile.TPMS (air pressure of automobile tire monitoring system) mainly is divided into two types, and a kind of is the indirect type TPMS that adopts wheel velocity, and another kind is the direct-type TPMS of adopts pressure sensor.Wherein, direct-type TPMS all preponderates on function and performance, mainly by being installed in pressure, temperature sensor and the signal processing unit in the motor tire, the TPMS transmitter module that RF (radio frequency) projector is formed, and be installed in RF receptor, the Liquid Crystal Display (LCD) composition that comprises digital signal processing unit on the vehicle cab.Indirect type TPMS comes rotating speed difference between comparative tire by ABS (anti-skid brake system) wheel speed sensors, reaches the purpose that monitors tire pressure, and major defect is to judge with under-voltage and high-speed case two above tires.

But existing most of automobiles do not have that vehicle interior temperature detects, Presentation Function, make chaufeur and passenger can't get information about vehicle interior temperature, so that chaufeur regulating moderately and at the right moment.

The utility model content

The technical problems to be solved in the utility model provides a kind of automotive tire pressure detecting device, can detect temperature, the pressure of motor tire in real time, can detect the temperature in the automobile again in real time, make chaufeur understand the interior temperature of car at any time, be convenient to timely adjusting, improve the comfort level in the car.

For solving the problems of the technologies described above, automotive tire pressure detecting device of the present utility model comprises:

The tyre pressure sensor module is installed in the motor tire, is used to detect temperature, the pressure of tire, and sends the information that detects to the tire pressure monitor scope by wireless mode;

The tire pressure monitor scope is installed in the operator's compartment, is used to receive the information of tyre pressure sensor module, monitors also temperature, the pressure of display of tyre; Wherein, this tire pressure monitor scope comprises a temperature-detecting device, is used to detect the temperature in the automobile, and the vehicle interior temperature that detects can be shown on the tire pressure monitor scope.

The utility model at present most of automobiles not with vehicle interior temperature detect, the present situation of Presentation Function, on existing TPMS scheme basis, vehicle interior temperature detection, Presentation Function have been increased, temperature in the real-time demonstration operator's compartment, inform navigating mate by LCD with form intuitively, be convenient to the driving environment that provides more comfortable.

Because the utility model has only increased temperature-detecting device on existing tire pressure monitor scope, cost is lower, and promptly economy is practical again.

Description of drawings

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:

Fig. 1 is tyre pressure sensor module one an example structure block diagram;

Fig. 2 is tire pressure monitor scope one an example structure block diagram;

Fig. 3 is the light-emitting diode display one embodiment display panel scheme drawing among Fig. 2;

Fig. 4 is that the tire pressure monitor scope shows control flow chart.

The specific embodiment

Automotive tire pressure detecting device described in the utility model comprises tyre pressure sensor module and tire pressure monitor scope, and this carries out communication by wireless mode between the two.

Referring to shown in Figure 1, described tyre pressure sensor module is arranged in the motor tire, is used to detect temperature, pressure of tire etc.Comprise:

Temperature sensor 104 is connected with MCU module 107, is used to detect the temperature in the tire.

Pressure sensor 105 is connected with MCU module 107, is used to detect the pressure in the tire.

Acceleration pick-up 106 is connected with MCU module 107, is used to detect the acceleration/accel of tire.

MCU module 107, its mouth is connected with RF circuit 108, and the data that temperature sensor 104, pressure sensor 105, acceleration pick-up 106 gathered are handled, and judges whether the data of gathering are normal, if mal then produce alarm message.

RF circuit 108 is connected with radio-frequency transmissions antenna 103, and the data after will handling through MCU module 107 are launched with wireless radio frequency mode by radio-frequency transmissions antenna 103, and transmitting frequency is 433.92MHz.

Low-frequency antenna 109 is connected with MCU module 107, receives exterior low frequency energizing signal 110, and MCU module 107 is controlled.The s-f of low frequency energizing signal 110 is 125kHz.The content of low frequency energizing signal 110 comprises tire ID sign indicating number, wake-up signal, tire parameter signalization etc.

Referring to shown in Figure 2, described tire pressure monitor scope is installed in the operator's compartment, is used to receive the information of tyre pressure sensor module again, monitors also temperature, the pressure of display of tyre.Comprise:

The 2nd RF circuit 118 is connected with radio frequency receiving wire 115, receives the information of tyre pressure sensor module by radio frequency receiving wire 115.Receive frequency is 433.92MHz.

The 2nd MCU module 117 is connected with the 2nd RF circuit 118, button 111, LCD display 113, buzzer phone 114, vehicle interior temperature detecting device 112, the information that the tyre pressure sensor module transmits is handled, and shown by LCD display 113.117 pairs of vehicle interior temperature detecting devices of described the 2nd MCU module, 112 detected vehicle interior temperatures are handled the back and are shown by LCD display 113.

Buzzer phone 114 is used for pointing out the mode of operation of present tire pressure monitor scope, and different sound frequencies is represented the different operating state; When reporting to the police, needs carry out corresponding sound and light alarm by buzzer phone 114.

Fig. 3 is the display panel scheme drawing of light-emitting diode display 113 1 embodiment.Tire information shows and vehicle interior temperature is presented under the control of button 111 and switches.

The diagram in the upper left corner partly is the tire location sign among Fig. 3, if there is certain tire to report to the police, the color of then corresponding tire location sign can change, and reaches the purpose of prompting.

Referring to shown in Figure 4, after described tire pressure monitoring telltale works on power, at first carry out self check, wait for the information that the tyre pressure sensor module emits then, after receiving the information of tire transmission, the temperature, the pressure that show four tires in turn. if after the tire pressure monitor scope receives the alarm message of arbitrary tire, will switch to temperature, the pressure interface of display of tyre, and only temperature, the pressure of display alarm tire; If a plurality of tires are arranged reports to the police, the temperature of display alarm tire in turn then, pressure, to remove until alarm message. the content of warning comprises: low pressure alarming, alarm for high voltage, quick leakage alarm, high temperature alarm and sensor loses are reported to the police. and type of alarm comprises: the buzzer phone voice prompt alarm, the LCD warning mark is reminded, the LED warning reminding. if in 1 minute, do not receive alarm message and do not have under the situation that button 111 presses, then show vehicle interior temperature automatically, and remain on this display interface. if current interface displayed can switch to the temperature of tire for showing vehicle interior temperature by pressing keys 111, the pressure display interface.

Described in one embodiment vehicle interior temperature detecting device 112 comprises temperature sensor, A/D converter and data transmission circuit.Described temperature sensor and A/D converter are integrated in the chip, and temperature sensor is responsible for gathering vehicle interior temperature, and A/D converter is a digital signal with the analog signal conversion of temperature sensor collection, and the digital quantity after the conversion passes through I 2After C bus transfer to the two MCU modules 117, the two MCU modules 117 are handled temperature information being sent to LCD display 113 shows.The temperature sensor of vehicle interior temperature detecting device 112 is installed on the inside of tire pressure monitor scope.

The temperature sensor 104 of described in one embodiment tyre pressure sensor module, pressure sensor 105, acceleration pick-up 106, RF circuit 108, MCU module 107 are integrated in an ASIC (integrated circuit) chip; Information such as the temperature in the tire of gathering, pressure are sent to MCU module 107 and handle after the A/D conversion.

More than by the specific embodiment the utility model is had been described in detail, formation is to restriction of the present utility model but these are not.Under the situation that does not break away from the principle of the invention, those skilled in the art also can make many distortion and improvement, and these also should be considered as protection domain of the present utility model.

Claims (5)

1. automotive tire pressure detecting device comprises:
The tyre pressure sensor module is installed in the motor tire, is used to detect temperature, the pressure of tire, and sends the information that detects to the tire pressure monitor scope by wireless mode;
The tire pressure monitor scope is installed in the operator's compartment, is used to receive the information of tyre pressure sensor module, monitors also temperature, the pressure of display of tyre; It is characterized in that:
This tire pressure monitor scope comprises a temperature-detecting device, is used to detect the temperature in the automobile, and the vehicle interior temperature that detects can be shown on the tire pressure monitor scope.
2. tire inflation pressure determining apparatus as claimed in claim 1 is characterized in that, described tyre pressure sensor module comprises:
Temperature sensor is connected with the MCU module, is used to detect the temperature in the tire;
Pressure sensor is connected with the MCU module, is used to detect the pressure in the tire;
Acceleration pick-up is connected with the MCU module, is used to detect the acceleration/accel of tire;
The MCU module, its mouth is connected with the RF circuit, and the data of temperature sensor, pressure sensor, acceleration pick-up collection are handled, and whether the data of judge gathering are normal, if mal then produce alarm message;
The RF circuit is connected with the radio-frequency transmissions antenna, will launch with wireless radio frequency mode by the radio-frequency transmissions antenna through the data after the MCU resume module, and transmitting frequency is 433.92MHz;
Described temperature sensor, pressure sensor, acceleration pick-up, MCU module and RF circuit are integrated in the IC chip;
Low-frequency antenna is connected with the MCU module, receives exterior low frequency energizing signal, and the MCU module is controlled, and the s-f of low frequency energizing signal is 125kHz, and described low frequency energizing signal comprises tire ID sign indicating number, wake-up signal, tire parameter signalization.
3. tire inflation pressure determining apparatus as claimed in claim 1 is characterized in that, described tire pressure monitor scope also comprises:
The 2nd RF circuit is connected with the radio frequency receiving wire, and by the information of radio frequency receiving wire reception tyre pressure sensor module, receive frequency is 433.92MHz;
The 2nd MCU module, be connected with the 2nd RF circuit, button, LCD display, buzzer phone, vehicle interior temperature detecting device, information that the tyre pressure sensor module is transmitted and the detected vehicle interior temperature of vehicle interior temperature detecting device are handled the back and are shown by LCD display;
Buzzer phone is used for pointing out the mode of operation of present tire pressure monitor scope, and different sound frequencies is represented the different operating state; When reporting to the police, needs carry out corresponding sound and light alarm by buzzer phone and LCD.
4. tire inflation pressure determining apparatus as claimed in claim 1 is characterized in that: after described tire pressure monitoring telltale works on power, receive the information that the tire sensor module sends after, show temperature, the pressure of four tires in turn; If after the tire pressure monitor scope receives the alarm message of arbitrary tire, will switch to temperature, the pressure interface of display of tyre, and only temperature, the pressure of display alarm tire; If there are a plurality of tires to report to the police, then temperature, the pressure of display alarm tire are in turn removed until alarm message; If in 1 minute, do not receive alarm message and do not have button to press, then show vehicle interior temperature automatically, and remain on this display interface; If current interface displayed can switch to temperature, the pressure display interface of tire for showing vehicle interior temperature by pressing keys.
5. as claim 2 or 4 described tire inflation pressure determining apparatus, it is characterized in that: the content of warning comprises: low pressure alarming, alarm for high voltage, leakage alarm, high temperature alarm and sensor loses warning fast; Type of alarm comprises: the buzzer phone voice prompt alarm, the LCD warning mark is reminded, the LED warning reminding.
CN2009200744603U 2009-09-03 2009-09-03 Automobile tyre pressure detecting device CN201456949U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200744603U CN201456949U (en) 2009-09-03 2009-09-03 Automobile tyre pressure detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200744603U CN201456949U (en) 2009-09-03 2009-09-03 Automobile tyre pressure detecting device

Publications (1)

Publication Number Publication Date
CN201456949U true CN201456949U (en) 2010-05-12

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Application Number Title Priority Date Filing Date
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102514491A (en) * 2011-12-23 2012-06-27 埃泰克汽车电子(芜湖)有限公司 Vehicle instrument display device
CN102529604A (en) * 2012-01-20 2012-07-04 合肥昌辉汽车电子有限公司 Tire pressure monitor system
CN103085613A (en) * 2011-11-04 2013-05-08 怡利电子工业股份有限公司 Tire pressure detection method
CN104260601A (en) * 2014-09-19 2015-01-07 苏州经贸职业技术学院 Intelligent car tire pressure monitoring system
CN105818617A (en) * 2015-01-22 2016-08-03 丰田自动车株式会社 Tire-pressure monitoring device
CN105882326A (en) * 2015-08-11 2016-08-24 乐视体育文化产业发展(北京)有限公司 Bicycle tire pressure monitoring device and method
CN107627792A (en) * 2014-07-18 2018-01-26 英飞凌科技股份有限公司 The tyre pressure sensor module of the information relevant with tire pressure for offer, tire pressure monitoring system, wheel, method and computer program

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103085613A (en) * 2011-11-04 2013-05-08 怡利电子工业股份有限公司 Tire pressure detection method
CN103085613B (en) * 2011-11-04 2014-12-10 怡利电子工业股份有限公司 Tire pressure detection method
CN102514491A (en) * 2011-12-23 2012-06-27 埃泰克汽车电子(芜湖)有限公司 Vehicle instrument display device
CN102529604A (en) * 2012-01-20 2012-07-04 合肥昌辉汽车电子有限公司 Tire pressure monitor system
US10759235B2 (en) 2014-07-18 2020-09-01 Infineon Technologies Ag Tire pressure sensor modules, tire pressure monitoring system, wheel, methods and computer programs for providing information relating to a tire pressure
CN107627792A (en) * 2014-07-18 2018-01-26 英飞凌科技股份有限公司 The tyre pressure sensor module of the information relevant with tire pressure for offer, tire pressure monitoring system, wheel, method and computer program
CN107627792B (en) * 2014-07-18 2019-10-11 英飞凌科技股份有限公司 For providing tyre pressure sensor module, the tire pressure monitoring system, wheel, method and computer program of information related with tire pressure
CN104260601A (en) * 2014-09-19 2015-01-07 苏州经贸职业技术学院 Intelligent car tire pressure monitoring system
CN105818617A (en) * 2015-01-22 2016-08-03 丰田自动车株式会社 Tire-pressure monitoring device
CN105818617B (en) * 2015-01-22 2017-08-11 丰田自动车株式会社 Tire pressure monitoring apparatus
CN105882326A (en) * 2015-08-11 2016-08-24 乐视体育文化产业发展(北京)有限公司 Bicycle tire pressure monitoring device and method

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100512

Termination date: 20160903