CN1970322A - Aeration and discharging control box of vehicle tyre center - Google Patents
Aeration and discharging control box of vehicle tyre center Download PDFInfo
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- CN1970322A CN1970322A CN 200610022404 CN200610022404A CN1970322A CN 1970322 A CN1970322 A CN 1970322A CN 200610022404 CN200610022404 CN 200610022404 CN 200610022404 A CN200610022404 A CN 200610022404A CN 1970322 A CN1970322 A CN 1970322A
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Abstract
The air charging control box in the middle of the vehicle tier to regulate the inner pressure of the cross country vehicle and military vehicle, comprises a control panel with electric control circuit and an electric power, control unit, execution unit and air channel exchange unit control box. The control circuit is connected with the vibration circuit, road status display circuit, keyboard matrix circuit, current signal conversion voltage signal circuit, separation amplification circuit and data decoding, displacement, section addressing, single chip machine with LED drive circuit for warning, signaling, and circuit installation display circuit. It can precede automatic checking and regulation to the tire pressure inside the driving chamber, discharging manually or automatically, timely monitoring the pressure and warning of the display tire. It is optional based on the different requirement of the driver.
Description
Technical field
The present invention relates to a kind of wheeled car Center Tyre Inflation that is used for and be installed in the operator's compartment, easily full vehicle tyre air pressure is detected and regulates, the control setup of control inflation of tire and venting.Particularly can adjust the electronic controller that the Bleed-Air Control System tyre inner pressure fills in the central authorities that move on cross-country car and the military car easily.
Background technology
In war or the vehicle of advancing, usually need be on farmland or muddy ground land locomotion.When if automobile travels with the normal rounds air pressure, will take place to fall into car or skid.Many modern weapons such as guided missile, cannon etc. all are contained on the wheeled car, when tire inner tube is punctured or during quilt attack leakage gas; When automobile long-distance travels continuously, the heating of tire, the rising of tire internal gas pressure all may cause tyre break or gas leakage, the situation that generation can not be exercised.For maneuvering performance and the viability that improves vehicle-mounted military equipment, improve the ability of wheeled car by complex road surfaces such as desert, mire or ice and snow, western developed country has been studied successfully the central authorities that move on the wheeled car that is installed in some special purposes the beginning of the nineties and has been filled Bleed-Air Control System (the English CTI/DS of abbreviation), can put on the air to vehicle tyre, venting or pressure measurement.This system mainly is made up of several sections such as source of the gas, control unit, performance element and gas circuit converting units.This system has been widely used in military affairs and civil area at present, becomes the standard facility of many off road wheeled vehicles.The advantage of this system is, by turning down tire pressure, can increase the elasticity and the buffering ability of tire, change the tire vehicle traction power that changes of area contiguously, make chaufeur in the automobile suspended state still travels, all can in operator's compartment, detect and regulate tire pressure easily, obtain best tractive force and Combination property,, the through performance of automobile on soft terrain can be reduced with tire pressure be enhanced to adapt to different operating modes.Constitute vehicle central jointly and fill Bleed-Air Control System with pressure measurement part, electromagnetism valve member in it, and control inflation of tire and venting, indication tire current pressure, guarantee the control capsule gordian technique of the force value that tire pressure is suitable, for military purpose, western countries are in confidential state always, do not see the relevant bibliographical information that relates to these technology detail file.
It is reported that China Northern Motor Vehicle Research Ins. researchs and produces, be used for the tire aeration and discharging control box on certain armored vehicle, is that the toggle switch that put on the air or exitted by the corresponding tire of several Control and the pointer pressure of a corresponding tire pressure value of indication are formed.The toggle switch that this control capsule adopts can not reset certainly, can only be with a full manually operated control process, and the control action that just can stop having carried out by manual control.Because this control capsule only has a compression indicator display of tyre force value, so it makes vehicle can not realize full automatic control and safety traffic in different pavement states travels.
The disclosed application number of Chinese patent is 200420058080, notification number is 2820581, the applying date is on December 31st, 2004, the day for announcing is to be called " tire central authorities air inflation discharging control device " utility model patent in disclosed of on September 27th, 2006, electromagnetism is charged and discharged gas control valve, electromagnetism venting control cock, pipe controller, be located at the primary stage port of offering on the base, tire air inlet is on the exhausr port, by interior air guide pipeline and the primary stage port of offering in the base, tire air inlet, exhausr port links.And the pipe-line control valve core that electromagnetism charges and discharge gas control valve and electromagnetism venting control cock stretched in the interior air guide pipeline of base.This device is to utilize the adhesive of electromagnetic valve and disconnect the break-make that realizes controlling air flue, adopt the manipulator flowing mode to control, there is not the tire pressure indication, can only be by rule of thumb and inflation and the venting of feeling to control tire, degree of automation is very low, can not adapt to the needs of modernized military equipment overland vehicle.
Summary of the invention
The purpose of this invention is to provide a kind of no matter at the vehicle immobilization state, still all can in operator's compartment, detect automatically and regulate tire pressure easily in travelling, can carry out inflating automatically and manually to vehicle tyre, exit and select control, the inflation/deflation control box in the center of tires for vehicle wheels that can carry out real-time monitoring display, warning the tire pressure of vehicle.
In order to achieve the above object, a kind of inflation/deflation control box in the center of tires for vehicle wheels provided by the invention, have the control panel of an electrical connection control circuit and be electrically connected source of the gas, control unit, the control capsule of performance element and gas circuit converting unit, it is characterized in that described control circuit has one to be electrically connected with crystal oscillating circuit at least, the pavement state display circuit, keyboard matrix circuit, current signal signal conversion voltage circuit, isolating amplifier circuit and be electrically connected with warning, indication, the data decoding of display circuit device, displacement, segment addressing, the micro controller system of led drive circuit.
Described micro controller system contains can receive the tire pressure signal that secondary machine sends, each tire is judged one by one, the tire pressure value that receives and the setting value of current pavement state are compared, in range of set value, then handle next tire signal, if tire pressure signal is higher than setting value, just controlling aie escape valve opens, tire is exitted, if tire pressure signal is lower than setting value, just control charge valve and open, tire is put on the air, return main program after finishing the tire handler, carrying out next round handles, and manually control according to Keyboard Control, not press and stop keyboard, program is carried out always, exceed safe range, the control program parts of SELF CL valve member program.
Described micro controller system also is electrically connected with and power circuit bonded assembly filter circuit.
The present invention has following advantage and beneficial effect.
Easy and simple to handle, convenient.Vehicle ' or stop just can realize adjusting to tire pressure by simple operations in operator's compartment.Only need " condition of road surface select switch " on the control capsule placed required gear, can realize automatic inflation, venting each tire." the condition of road surface Gear Select Switch " that be provided with on the panel can satisfy various ground-surfaces by requiring.Automatically can select according to different operating mode needs by chaufeur with manual two kinds of state of a controls, obtain best tractive force and Combination property.Make chaufeur in the automobile halted state is still travelled, all can in operator's compartment, detect full vehicle tyre air pressure and adjusting in time easily, avoid the generation of dangerous situation.Can detect and regulate single bridge tire or single air pressure by its automatic control program.When the height of carrier vehicle is limited by bridge opening, mother aircraft door etc., can reduce tire pressure easily, suitably reduce the automobile bottom-to-top-height.When tire inner tube is punctured or during quilt attack leakage gas, utilizes the present invention can make automobile give inflation of tire in the process of moving, drive from the danger zone as early as possible.In addition, can also slow down the impact of road surface to vehicle.Automobile is when land locomotion, when air pressure of automobile tire too high, when automobile is subjected to serious shock and vibration, by automatic tire adjustment of inflation pressure of the present invention, can reduce the accelerated wear test and the damage of associated components and vehicle body, alleviate that to pass to the impact and the vehicle-mounted cargo of automobile by tire impaired.Make the safety of motor borne military supplies equipment and vehicular weapons system that assurance arranged.This has very important significance for military cross country car.Turn down tire pressure by the present invention, not only can increase the elasticity and the buffering ability of tire, reduce Tyte Wear, can also detect and adjust increasing traction by air pressure, save fuel oil consumption, improvement is mounted with sophisticated weapon equipment wheeled car the through performance of the car or the land locomotion that skids takes place to fall on mire, desert floor.Thereby improve the maneuvering performance and the viability of vehicle-mounted military equipment greatly.Under the program element instruction of in micro controller system, establishing, when vehicle ' or when static, the present invention can monitor vehicle tyre pressure and show in real time automatically, when tire pressure is higher than normal value, tire is exitted, when tire pressure is lower than normal value tire is put on the air, support vehicles are in different ground-surface traffic safeties.
Description of drawings
Further specify the present invention below in conjunction with drawings and Examples, but therefore do not limit the present invention among the described scope of embodiments.
Fig. 1 is a control circuit block scheme of the present invention.
Fig. 2 is the preferred current/voltage-converted circuit diagram of the embodiment of the invention.
Fig. 3 is the charactron dynamic display circuit interconnecting wiring diagram that the present invention is made of serial interface LED charactron and keyboard management device chip.
Fig. 4 is the diagram of circuit of control program parts of the present invention.
Fig. 5 is the panel scheme drawing of control capsule of the present invention.
The specific embodiment
Fig. 1 described be installed in the control capsule with panel shown in Figure 5 on the control circuit that is connected with display indicator of control button.This control circuit is electrically connected on the Center Tyre Inflation of being made up of electricity, source of the gas, control unit, performance element wheel valve, locking-valve and gas circuit converting unit.
In Fig. 1, Fig. 2, the parts that are positioned at the control circuit core are PIC micro controller systems.This micro controller system can but to be not limited to be to select for use antijamming capability stronger, inner integrated level is higher, and 8 tunnel 12 AD conversions, I are arranged
2The PIC micro controller system of C communication module, USART serial communication modular, 4 groups of 8 standard bidirectional ports.Such as the PIC16 series monolithic of selecting MICROCHIP company for use.Select for use the PIC16 series monolithic not only can simplify peripheral circuit greatly, improve the reliability of entire product, and be suitable for more abominable vehicle behavior environment.Certainly also can be according to different regions, the concrete needs of different vehicle suitably increase and decrease the PIC micro controller system of gear.
Connecting the power output circuit of filter circuit, can be 24V input/5V output circuit, and it can be can be for the 5V power supply of integrated circuit use with vehicle-mounted 24V power source conversion one-tenth.Filter circuit is to disturb for reduce power supply as far as possible, guarantees to supply with the clean custom circuit of PIC microcontroller power supply.The crystal oscillating circuit that is connected with micro controller system OSC1, OSC2 pin can be selected the crystal oscillation circuit that generally uses for use.Can select the circuit of delivery port direct drive light-emitting diode for use with the RA mouth bonded assembly pavement state display circuit of PIC micro controller system.Micro controller system RA mouth is set to delivery port earlier, uses micro controller system RA mouth direct drive circuit of LED to carry out ground-surface and shows.PIC single-chip processor i/o mouth as output, so that very strong load driving ability to be provided, is made when high level is exported, pull out pouring into electric current and can reaching 25mA of electric current and low level when output.
The keyboard matrix circuit that connects the PIC micro controller system can be selected 3 * 4 the matrix keyboard of removing that reset key has outward that 12 buttons form for use, and these 12 buttons are connected with the RB mouth of PIC micro controller system.So just can utilize the characteristics of RB mouth, keyboard input signal is handled as interrupt signal as the external interrupt signal input.A serial communication interface commonly used is arranged on the PIC micro controller system, and therefore measured tire pressure signal and micro controller system communicates by serial ports.The serial ports of micro controller system is TX and RX pin, TX is the transmit port of micro controller system, and RX is the receiving port of micro controller system, and the setting of communication protocol and baud rate is according to being installed in the tire side, be connected by pipeline with tire, be used for that the requirement of the secondary machine of pressure measurement of detection wheel tire pressure carries out.The tire pressure signal that secondary machine is sent is for disturbance rejection and reduce loss, transmits with current signal.
The current and voltage signals change-over circuit that connects the PIC micro controller system is the universal circuit that current signal can be converted to the conventional ripening of the receptible voltage signal of micro controller system shown in Figure 2.The voltage signal that this circuit sends micro controller system simultaneously changes into current signal and sends secondary machine to, and signal carries out the conversion of signal by current/voltage-converted circuit 9011 aerotrons shown in Figure 2 and two aerotrons of 9012 aerotrons.The collecting electrode of 9011 aerotrons connects the serial ports RX pin of micro controller system by resistance R 5.The base resistance R2 of 9012 aerotrons connects the serial ports TX of micro controller system.
The isolating amplifier circuit that connects the PIC micro controller system is that the 5V signal that micro controller system is exported is zoomed into the 24V signal that can drive electromagnetic valve.What present embodiment was selected for use is the solid-state relay that can play buffer action.
The data decoding, displacement, segment addressing, the led drive circuit that connect the PIC micro controller system, can select the ZLG7289A serial interface LED charactron and the keyboard management device of Guangzhou Zhou Ligong company for use, decoder is contained in its inside, can directly accept binary-coded decimal or 16 ary codes, and have two kinds of decoded modes simultaneously, also have the various control instruction, have chip selection signal, can realize demonstration easily more than 8.
Referring to Fig. 3, present embodiment has been selected for use, but to be not limited to be the charactron dynamic display circuit that is made of three ZLG7289A chips shown in Figure 3.Three serial interface LED charactrons and keyboard management device ZLG7289A chip link to each other with 6 light-emitting diodes with 23 charactrons respectively.But charactron and light-emitting diode number select the restriction that can not be subjected to present embodiment for use.The sheet choosing end of these three ZLG7289A chips connects micro controller system RCO, RC1, RC2 respectively, and data input pin connects micro controller system RC5 jointly, and clock signal terminal connects micro controller system RC3 jointly.The ZLG7289A chip adopts SPI serial mode and microcontroller communication, and serial data is sent into chip from the data line DATA pin of PIC micro controller system, and synchronous by the clock line CLK end of PIC micro controller system.After chip selection signal became low level, the data on the PIC micro controller system DATA pin were written into the buffer register of PIC micro controller system ZLG7289A at the positive rise of PIC micro controller system CLK pin.When needs send display data, micro controller system at first is changed to low level with the chip selection signal CS of the ZLG7289A chip chosen, form by the requirement of ZLG7289A chip sends 16 CLK pulses from clock CLK then, send the data of 2 octets from data line DATA end, preceding 8 is address instruction, which charactron is determination data send to, and back 8 is data command, determines the charactron data presented.
Fig. 4 has described the main program flow of the software program parts that the PIC micro controller system contains, in whole procedure is handled, keyboard signal and tire pressure signal are handled by interruption, keyboard signal is to produce by micro controller system RB mouth to interrupt, tire pressure signal is to produce for 232 mouthfuls by the PIC monolithic to interrupt, and the interrupt levels of tire pressure signal will be higher than keyboard signal.In program process, in case there is interrupt signal to produce, program just removes to handle interrupt routine immediately, and two interruptions produce then priority processing tire pressure signal simultaneously, and then handles keyboard signal.
The treatment scheme of automatic control program is: each tire is judged one by one, the tire pressure value that receives and the setting value of current pavement state are compared, in range of set value, then handle next tire signal, if tire pressure signal is higher than setting value, just control aie escape valve and open, tire is exitted, if tire pressure signal is lower than setting value, just control charge valve and open, tire is put on the air.Return main program after six tires are finished dealing with, carry out the processing of next round.
Manually control program is to carry out according to the control of keyboard, by bottom right one inflation of tire, open with regard to the charge valve of controlling a right tire, bleed a tire by bottom right two, open with regard to the aie escape valve of controlling right two tires, do not stop keyboard if press, program is just carried out always, but exceed safe range, then program can the SELF CL valve member.
In Fig. 5, be electrically connected the control capsule 1 of the control panel 4 of control circuit, the embodiment that comprises foregoing description is the control setup of taking turns in the armored motor car design-calculated connection Center Tyre Inflation at six.It and system for monitoring pressure in tyre (TPMS), electromagnetic valve actuating system are finished measurement, demonstration, control, the execution to tire pressure jointly.Can be provided with five kinds but to be not limited to be that five kinds of pavement states show on the control panel 4: highway, expressway, cross-country road, silt road, desert road, pavement state read out instrument 6 and road surface are provided with keyboard 5 and judge by program and handle corresponding relation between them.The road surface is provided with five kinds of pavement states that keyboard 5 is provided with, can set which kind of road surface as required, just press corresponding keyboard, after the micro controller system received signal, just can access the judgement that corresponding program is carried out pressure, tire pressure to vehicle shows that in real time after one in the keyboard of road surface was pressed, its cooresponding indicator lamp was lighted.The pressure that is installed in alarm display 3 both sides shows that 2 are connected in led drive circuit shown in Figure 1, can show the force value of six tires with six three charactrons respectively.Alarm display 3 can be selected six diode displaying for use.Arrow among the figure is represented the direction of headstock, and the arrow left side is respectively the force value and the alarm lamp of the first from left, the second from left, left three tires from top to bottom, and arrow the right is respectively the force value and the alarm lamp of the right side one, the right side two, right three tires from top to bottom.Under auto state, during the tire pressure mal, pressure shows the light-emitting diode warning.Under manual state, alarm lamp shows which tire is being operated, as: to a right inflation of tire, a then right alarm lamp is bright.In vehicle ' or when stopping, can monitoring in real time the pressure of tire, when the force value of tire is higher than setting value, just tire is exitted; When the force value of tire is lower than setting value, just tire is put on the air.
The keyboard of oval keyboard 8 outer setting can use under any state, can reset and the conversion of automatic/hand; Keyboard in oval can only use under manual state, carry out tire is charged and discharged the M/C of gas, " left side " keyboard is by select the first from left wheel next time, and " left side " keyboard is pressed secondary continuously and selected the second from left wheel, and " left side " keyboard is pressed three times continuously and selected left three-wheel, " right side " keyboard also is operation like this, after tire is selected, press " inflation " keyboard again, then tire is put on the air, press " venting " keyboard, then tire is exitted.
The indicator lamp 7 that is connected in led drive circuit shown in Figure 1 is demonstrations of indication automatic/hand state, and display of tyre puts on the air or bleed air operation under manual state.
The mode of present embodiment has automatically and manually to be selected.Automatic guidance is to control by manufacturer's program setting requirement, and manually control is that the user sets the control requirement by actual demand.
Claims (10)
1. inflation/deflation control box in the center of tires for vehicle wheels, have the control panel of an electrical connection control circuit and the control capsule of electrical connection source of the gas, control unit, performance element and gas circuit converting unit, it is characterized in that: described control circuit has the micro controller system of a data decoding that is electrically connected with crystal oscillating circuit, pavement state display circuit, keyboard matrix circuit, current signal signal conversion voltage circuit, isolating amplifier circuit at least and is electrically connected with warning, indication, display circuit device, displacement, segment addressing, led drive circuit.
2. inflation/deflation control box in the center of tires for vehicle wheels according to claim 1, it is characterized in that, described micro controller system contains the tire pressure signal that receives secondary machine transmission, each tire is judged one by one, the tire pressure value that receives and the setting value of current pavement state are compared, in range of set value, then handle next tire signal, if tire pressure signal is higher than setting value, just control aie escape valve and open, tire is exitted, if tire pressure signal is lower than setting value, just control charge valve and open, tire is put on the air, return main program after finishing the tire handler, carrying out next round handles, and manually control according to Keyboard Control, not press and stop keyboard, program is carried out always, exceed safe range, the control program parts of SELF CL valve member program.
3. inflation/deflation control box in the center of tires for vehicle wheels according to claim 2, it is characterized in that, described software program parts main program flow, in whole procedure is handled, keyboard signal and tire pressure signal are handled by interruption, keyboard signal is to produce by micro controller system RB mouth to interrupt, and tire pressure signal is to produce for 232 mouthfuls by the PIC monolithic to interrupt, and the interrupt levels of tire pressure signal is higher than keyboard signal.
4. inflation/deflation control box in the center of tires for vehicle wheels according to claim 3, it is characterized in that, the treatment scheme of the automatic control program in the program element is: each tire is judged one by one, the tire pressure value that receives and the setting value of current pavement state are compared, in range of set value, then handle next tire signal, if tire pressure signal is higher than setting value, just controlling aie escape valve opens, tire is exitted, if tire pressure signal is lower than setting value, just control charge valve and open, tire is put on the air.
5. inflation/deflation control box in the center of tires for vehicle wheels according to claim 4, it is characterized in that, manual control program in the program element is to carry out according to the control of keyboard, by next inflation of tire, opens with regard to the charge valve of controlling this tire, bleed a tire by next, open with regard to the aie escape valve of controlling this tire, do not stop keyboard if press, program is just carried out always, but exceed safe range, then the Automatic Program Shut-off fitting.
6. inflation/deflation control box in the center of tires for vehicle wheels according to claim 1 is characterized in that, described micro controller system also is electrically connected with and power circuit bonded assembly filter circuit.
7. inflation/deflation control box in the center of tires for vehicle wheels according to claim 1 is characterized in that, described micro controller system is to have 8 tunnel 12 AD conversions, I
2The PIC micro controller system of C communication module, USART serial communication modular, 4 groups of 8 standard bidirectional ports.
8. inflation/deflation control box in the center of tires for vehicle wheels according to claim 4 is characterized in that, described micro controller system is the PIC16 series monolithic.
9. inflation/deflation control box in the center of tires for vehicle wheels according to claim 1 and 2 is characterized in that, connects the keyboard matrix circuit of PIC micro controller system, 3 * 4 the matrix keyboard of forming by 12 buttons, and be connected with the RB mouth of described PIC micro controller system.
10. inflation/deflation control box in the center of tires for vehicle wheels according to claim 1 and 2 is characterized in that, what the isolating amplifier circuit of connection PIC micro controller system was selected for use has been the solid-state relay of buffer action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100224046A CN100554011C (en) | 2006-12-05 | 2006-12-05 | Inflation/deflation control box in the center of tires for vehicle wheels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100224046A CN100554011C (en) | 2006-12-05 | 2006-12-05 | Inflation/deflation control box in the center of tires for vehicle wheels |
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| Publication Number | Publication Date |
|---|---|
| CN1970322A true CN1970322A (en) | 2007-05-30 |
| CN100554011C CN100554011C (en) | 2009-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100224046A Expired - Fee Related CN100554011C (en) | 2006-12-05 | 2006-12-05 | Inflation/deflation control box in the center of tires for vehicle wheels |
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| CN (1) | CN100554011C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101628529B (en) * | 2008-07-15 | 2011-05-04 | 中国北方车辆研究所 | Center tyre inflation/deflation system with tyre protecting function |
| CN104275995A (en) * | 2013-07-12 | 2015-01-14 | 中国汽车技术研究中心 | System for testing field performance of tire pressure monitoring system (TPMS) |
| CN105139768A (en) * | 2015-09-06 | 2015-12-09 | 江门吉华光电精密有限公司 | Ultra-thin tire-pressure digital tube display and production technology thereof |
| CN109512593A (en) * | 2018-11-19 | 2019-03-26 | 潘柏翰 | A kind of self-balancing wheelchair for adapting to climb building |
| CN110161914A (en) * | 2019-05-24 | 2019-08-23 | 东风汽车集团有限公司 | Tactical vehicle vehicle complex control system and method |
| CN112512840A (en) * | 2018-07-19 | 2021-03-16 | 北美日产公司 | Vehicle tire pressure monitoring interface |
| CN112512839A (en) * | 2018-07-19 | 2021-03-16 | 北美日产公司 | Vehicle tire pressure monitoring system |
| CN113060081A (en) * | 2019-12-31 | 2021-07-02 | 陕西重型汽车有限公司 | Central inflation and deflation debugging system and method based on mobile phone APP |
| CN113320340A (en) * | 2021-06-22 | 2021-08-31 | 东风越野车有限公司 | Method and equipment for controlling inflation and deflation of tires in vehicle running process |
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2006
- 2006-12-05 CN CNB2006100224046A patent/CN100554011C/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101628529B (en) * | 2008-07-15 | 2011-05-04 | 中国北方车辆研究所 | Center tyre inflation/deflation system with tyre protecting function |
| CN104275995A (en) * | 2013-07-12 | 2015-01-14 | 中国汽车技术研究中心 | System for testing field performance of tire pressure monitoring system (TPMS) |
| CN104275995B (en) * | 2013-07-12 | 2017-04-26 | 中国汽车技术研究中心 | System for testing field performance of tire pressure monitoring system (TPMS) |
| CN105139768A (en) * | 2015-09-06 | 2015-12-09 | 江门吉华光电精密有限公司 | Ultra-thin tire-pressure digital tube display and production technology thereof |
| CN112512839A (en) * | 2018-07-19 | 2021-03-16 | 北美日产公司 | Vehicle tire pressure monitoring system |
| CN112512840A (en) * | 2018-07-19 | 2021-03-16 | 北美日产公司 | Vehicle tire pressure monitoring interface |
| CN112512840B (en) * | 2018-07-19 | 2023-03-14 | 北美日产公司 | Vehicle tire pressure monitoring interface |
| CN112512839B (en) * | 2018-07-19 | 2023-03-14 | 北美日产公司 | Vehicle tire pressure monitoring system |
| CN109512593B (en) * | 2018-11-19 | 2020-05-08 | 潘柏翰 | Self-balancing wheelchair suitable for climbing stairs |
| CN109512593A (en) * | 2018-11-19 | 2019-03-26 | 潘柏翰 | A kind of self-balancing wheelchair for adapting to climb building |
| CN110161914A (en) * | 2019-05-24 | 2019-08-23 | 东风汽车集团有限公司 | Tactical vehicle vehicle complex control system and method |
| CN110161914B (en) * | 2019-05-24 | 2020-07-03 | 东风汽车集团有限公司 | Tactical vehicle overall vehicle comprehensive control system and method |
| CN113060081A (en) * | 2019-12-31 | 2021-07-02 | 陕西重型汽车有限公司 | Central inflation and deflation debugging system and method based on mobile phone APP |
| CN113320340A (en) * | 2021-06-22 | 2021-08-31 | 东风越野车有限公司 | Method and equipment for controlling inflation and deflation of tires in vehicle running process |
| CN113320340B (en) * | 2021-06-22 | 2022-06-17 | 东风越野车有限公司 | Method and equipment for controlling inflation and deflation of tires in vehicle running process |
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| CN100554011C (en) | 2009-10-28 |
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