CN113580852B - Tire pressure wireless monitoring alarm system - Google Patents
Tire pressure wireless monitoring alarm system Download PDFInfo
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- CN113580852B CN113580852B CN202110998385.5A CN202110998385A CN113580852B CN 113580852 B CN113580852 B CN 113580852B CN 202110998385 A CN202110998385 A CN 202110998385A CN 113580852 B CN113580852 B CN 113580852B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/001—Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0401—Signalling devices actuated by tyre pressure mounted on the wheel or tyre characterised by the type of alarm
- B60C23/0405—Mechanically generated visible signals, e.g. by using a gauge needle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
- B60C23/0433—Radio signals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/20—Devices for measuring or signalling tyre temperature only
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to the field of new energy automobiles, and discloses a tire pressure wireless monitoring and alarming system.A driver is reminded of adjusting the tire pressure in time through a central control display function after a vehicle is started, so that the tire pressure is reasonable before the vehicle runs, safe travel is realized, an intermittent tire pressure recommended section obtained every five minutes is recorded by a central control in the vehicle, the detection result of a tire pressure detector in the subsequent running process is compared with the corresponding intermittent tire pressure recommended section for judgment, and the last recorded intermittent tire pressure recommended section is displayed when the vehicle is started next time, so that the driver can judge whether the tire needs to be pressurized or not according to the influence of the current parking time on the tire temperature and whether the tire is still positioned on the running section or not by referring to the intermittent tire pressure recommended section, and then a scientific guidance basis is provided for the driver to adaptively adjust the tire pressure according to conditions such as road conditions and the like.
Description
Technical Field
The invention relates to the field of new energy automobiles, in particular to a tire pressure wireless monitoring and alarming system.
Background
Chinese patent publication No. CN106739860B proposes an automobile tire pressure detection alarm system and an alarm method, in which a tire pressure value is obtained and stored in real time by a vehicle body controller, and after receiving an unlocking command, the last stored tire pressure value is sent to a side window lamp controller for judgment, if the tire pressure value is abnormal, the side window lamp flickers, and if the tire pressure value is normal, the side window lamp is normally on, so that a driver can visually know the tire pressure state outside the vehicle, thereby reducing the operation trouble and saving time and energy.
Although the device in the above patent document can perform a tire pressure detection function and can remind a driver in time by lighting, there are still many disadvantages in practical application, for example, it cannot summarize a tire pressure recommendation range according to a normal driving road section and a driving temperature of a vehicle, so as to achieve the purpose of saving fuel oil and the like while obtaining an optimal driving experience according to information such as road conditions and the like, and it cannot provide a more scientific and reasonable tire pressure recommendation suggestion according to a driving habit of the vehicle when the driver adjusts the tire pressure, and therefore, a tire pressure wireless monitoring alarm system is disclosed to meet the tire pressure detection requirement of the vehicle.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a tire pressure wireless monitoring and alarming system which has the advantages of intelligently detecting and providing tire pressure setting reference and the like, and solves a series of problems of single tire pressure detection function and the like in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a wireless monitoring alarm system of tire pressure, accuse in including wheel hub and tire pressure detector and the car, just the tire pressure detector with accuse electric connection in the car, be equipped with the pressure release subassembly that can carry out the pressure release to tire pressure on the wheel hub, still be equipped with on the tire pressure detector with the temperature sensor that accuse electric connection in the car, temperature sensor can real-time supervision temperature in the wheel hub to with temperature information send to accuse in the car, still be equipped with the road conditions detection subassembly that is used for detecting road conditions jolt degree on the wheel hub, road conditions detection subassembly contain with electrode ball and adaptation electrode that accuse electric connection in the car, just the electrode ball with can form the circular telegram circuit when the adaptation electrode contacts, accuse can be recorded the formation number of times in the car and turn into road conditions information.
Preferably, the pressure relief assembly comprises a pressure relief pipe with one end extending to the outside of the wheel hub, the other end of the pressure relief pipe is communicated between the wheel hub and the inner wall of the tire, a pressure relief valve matched with the pressure relief pipe is further arranged in the pressure relief pipe, and the pressure relief valve is electrically connected with a central controller in the vehicle.
Preferably, after the vehicle is cold started, the tire pressure detector can acquire a current tire pressure value and send tire pressure information to the in-vehicle central control, and the in-vehicle central control receives the current tire pressure value and judges whether the tire pressure value is within a tire pressure fluctuation interval range set by the in-vehicle central control.
Preferably, if the current tire pressure value received by the in-vehicle central control unit is higher than the tire pressure fluctuation interval, the in-vehicle central control unit controls the relief valve to open until the tire pressure detector detects that the tire pressure is in the tire pressure fluctuation interval range, and closes the relief valve;
and if the current tire pressure value received by the in-vehicle central control unit is lower than the tire pressure fluctuation interval, the in-vehicle central control unit displays warning information.
Preferably, if the current tire pressure value received by the in-vehicle central control unit is located in the tire pressure fluctuation interval, the tire pressure value is monitored in real time through the tire pressure detector, tire pressure information is sent to the in-vehicle central control unit once every five minutes, the temperature sensor obtains the internal temperature of the tire at intervals of five minutes, and the temperature information is sent to the in-vehicle central control unit.
Preferably, the in-vehicle central control unit obtains a minimum value P1 of a first driving tire pressure recommended range according to the obtained tire pressure and temperature change min With a maximum value P1 max ，P1 max ＝(M+N)+(T-T 1 )*∮，P1 min ＝(M－N)+(T-T 1 ) Phi, wherein, P1 max An upper limit value for the first recommended tire pressure, P1 min A lower limit value of the first recommended tire pressure, M is a base tire pressure, N is a maximum variable range difference value of the base tire pressure, T is a temperature value (unitless) of the set reference temperature, T is a maximum variable range difference value of the base tire pressure, and 1 phi is a temperature value of the real-time temperature of the tire acquired by the current temperature sensor, is a tire pressure correction parameter and is between 0.006bar and 0.012bar, and the preferential value is 0.01bar;
the road condition detection assembly converts the road condition information into an electric signal and sends the electric signal to the in-vehicle central control, and the in-vehicle central control obtains a minimum value P2 of a second driving tire pressure recommendation range according to the road condition information min And a maximum value P2 max ，P2 max ＝(M+N)+(Q s -Q/V*V S )*△n，P2 min ＝(M－N)+(Q s -Q/V*V S ) Δ n, wherein P2 max Is the upper limit value of the second recommended tire pressure, P2 min A lower limit value of the second recommended tire pressure, M being a base tire pressure, N being a maximum variable range difference value of the base tire pressure, V S Is a value (unitless) of the set base running speed, qs is the vehicle speed at V S When the vehicle runs at a running speed, the critical times of triggering of the electrified loop per second are greater than Qs, the vehicle is in a bumpy road condition, when the times of triggering of the electrified loop per second are less than Qs, the vehicle is in a smooth road condition, V is the numerical value of the running speed of the current vehicle, and Q is the running speedThe value is the number of times of triggering of the power-on loop in each second time actually measured under V, and the delta n is a tire pressure correction parameter and is preferably 0.004bar;
and the in-vehicle central control compares and selects the lowest value and the highest value in the first running tire pressure recommended range and the second running tire pressure recommended range, and selects four lowest values and four highest values to combine the middle two values according to the size to form the lowest value and the highest value in the intermittent tire pressure recommended interval.
Preferably, the in-vehicle central control records the intermittent tire pressure recommended interval obtained every five +/-minutes, and compares and judges the detection result of the tire pressure detector in the subsequent driving process with the corresponding intermittent tire pressure recommended interval;
when the vehicle is started next time, the in-vehicle central control displays the intermittent tire pressure recommended interval recorded at the last time, and a driver can refer to the intermittent tire pressure recommended interval according to the current parking time and the current driving road section to judge whether the pressure of the tire needs to be relieved or increased.
Preferably, road conditions determine module is still including being used for ensuring the electrode ball takes place vertical lift's direction subassembly, the direction subassembly contains the last traveller and the lower traveller of looks adaptation, a plurality of even horizontal connecting rods of distribution of fixedly connected with on wheel hub's the outer wall, and is a plurality of equal fixedly connected with on the horizontal connecting rod go up the traveller, just it has slided and cup jointed to slide in the last traveller down the traveller, and is a plurality of the equal fixedly connected with in bottom of traveller the electrode ball, just wheel hub's outer wall fixed mounting has a plurality of even and corresponding of distribution the electrode ball looks adaptation the adaptation electrode.
Preferably, it is a plurality of all fixed upper fixed disk that has cup jointed on the last traveller, and be a plurality of all fixed cover has cup jointed down the fixed disk down on the traveller, and be a plurality of all cup jointed inertial spring on the last traveller, and be a plurality of inertial spring's both ends difference fixed connection is corresponding upper fixed disk with down on the fixed disk.
(III) advantageous effects
Compared with the prior art, the invention provides a tire pressure wireless monitoring and alarming system, which has the following beneficial effects:
1. the tire pressure wireless monitoring and alarming system comprises a tire pressure detector, a central control unit, a pressure release valve, a pressure monitoring and alarming unit, a central control unit and a central control unit.
2. The tire pressure wireless monitoring and alarming system comprises a tire pressure detector, a temperature sensor, a first running tire pressure recommendation range, a second running tire pressure recommendation range, a tire pressure monitoring device, a temperature sensor, a temperature monitoring device and an intermittent tire pressure recommendation range, wherein the tire pressure monitoring device monitors the tire pressure value in real time, and sends tire pressure information to the tire pressure central control every five minutes, the temperature sensor acquires the internal temperature of the tire at intervals of five minutes and sends the temperature information to the tire pressure central control, the tire pressure central control obtains the first running tire pressure recommendation range and the second running tire pressure recommendation range according to the acquired tire pressure and temperature changes, the intermittent tire pressure recommendation range is formed by comparing the maximum values in the first running tire pressure recommendation range and the second running tire pressure recommendation range, the adaptive tire pressure setting reference range can be determined according to the influences of the running road condition, the running feeling can be improved on the premise of ensuring safe running, and the purpose of saving fuel oil is achieved.
3. The tire pressure wireless monitoring and alarming system records the intermittent tire pressure recommendation interval obtained every five minutes by the in-vehicle central control in the vehicle driving process, compares the detection result of the tire pressure detector in the subsequent driving process with the corresponding intermittent tire pressure recommendation interval, and displays the last recorded intermittent tire pressure recommendation interval when the in-vehicle central control is started next time, a driver can determine whether the tire needs to be decompressed or pressurized according to the influence of the current parking time on the tire temperature and whether the tire is still positioned on the driving road section according to the intermittent tire pressure recommendation interval, and then scientific guidance basis is provided for the driver to adaptively adjust the tire pressure according to conditions such as road conditions.
4. This wireless monitoring alarm system of tire pressure, when meetting the vehicle and jolting, because inertia influence and action of gravity for the inertial spring of highest position department takes place great elastic deformation on the wheel hub, then make corresponding electrode ball downstream, with the adaptation electrode contact that corresponds, thereby realize the circular telegram, and record through the accuse in the car, thereby the degree of jolting of audio-visual reflection road conditions, and simultaneously, through last traveller and the lower traveller that sets up looks adaptation, the electrode ball of having ensured highest position department can keep relative vertical motion, then ensure the accuracy of road conditions reflection.
Drawings
FIG. 1 is a schematic diagram of the operation of the present invention;
FIG. 2 is a perspective view of the installation position of the device of the present invention;
FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the present invention.
In the figure: 1. a hub; 2. a tire pressure detector; 3. a pressure relief pipe; 4. a horizontal connecting rod; 5. an upper sliding column; 6. a lower sliding column; 7. an electrode ball; 8. an upper fixed disc; 9. a lower fixed disc; 10. an inertia spring; 11. an electrode is adapted.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As described in the background of the invention, the prior art has shortcomings, and in order to solve the above technical problems, the present application provides a wireless tire pressure monitoring and warning system.
In a typical embodiment of the present application, as shown in fig. 1 to 3, a tire pressure wireless monitoring and alarming system includes a hub 1, a tire pressure detecting instrument 2 and an in-vehicle central controller, the tire pressure detecting instrument 2 is electrically connected to the in-vehicle central controller, the hub 1 is provided with a pressure relief assembly capable of relieving pressure of a tire pressure, the tire pressure detecting instrument 2 is further provided with a temperature sensor electrically connected to the in-vehicle central controller, the temperature sensor can monitor the temperature in the hub 1 in real time and send temperature information to the in-vehicle central controller, the hub 1 is further provided with a road condition detecting assembly for detecting a bumpy degree of a road condition, the road condition detecting assembly includes an electrode ball 7 and an adaptive electrode 11 electrically connected to the in-vehicle central controller, and the electrode ball 7 and the adaptive electrode 11 can form an energizing loop when contacting each other, and the in-vehicle central controller can record the number of formation times of the energizing loop and convert the number of formation into road condition information.
As an implementation mode in this embodiment, the pressure release subassembly contains the pressure release pipe 3 that one end extends to 1 outside of wheel hub, and the other end intercommunication of pressure release pipe 3 is between wheel hub 1 and tire inner wall, and still is equipped with the relief valve rather than the looks adaptation in the pressure release pipe 3, and the electrically connected of central control in relief valve and the car, through setting up the relief valve, carries out timely adaptability pressure release to the tire pressure.
As an implementation manner in this embodiment, after the vehicle is cold started, the tire pressure detector 2 can obtain the current tire pressure value and send the tire pressure information to the in-vehicle central control, and the in-vehicle central control receives the current tire pressure value and determines whether the current tire pressure value is within the tire pressure fluctuation interval range set by the in-vehicle central control.
As an implementation manner in this embodiment, if the current tire pressure value received by the in-vehicle central control is higher than the tire pressure fluctuation interval, the in-vehicle central control controls the pressure relief valve to open until the tire pressure detector 2 detects that the tire pressure is within the range of the tire pressure fluctuation interval, and closes the pressure relief valve;
in this embodiment, if the in-vehicle central control unit receives that the current tire pressure value is lower than the tire pressure fluctuation interval, the in-vehicle central control unit displays "tire pressure is low, please check", and timely reminds a driver to adjust the tire pressure by setting a central control display function.
As an implementation manner in this embodiment, if the in-vehicle central control unit receives that the current tire pressure value is located in the tire pressure fluctuation range, the tire pressure detector 2 monitors the tire pressure value in real time, and sends the tire pressure information to the in-vehicle central control unit once every five minutes, and the temperature sensor obtains the tire internal temperature at intervals of five minutes and sends the temperature information to the in-vehicle central control unit, and by providing the temperature sensor, the running temperature of the tire can be monitored in real time, and an adjustment basis is provided for the tire pressure reference range.
As an implementation manner in this embodiment, the in-vehicle central control unit obtains the minimum value P1 of the first recommended travel tire pressure range according to the acquired tire pressure and temperature change min And a maximum value P1 max ，P1 max ＝(M+N)+(T-T 1 )*∮，P1 min ＝(M－N)+(T-T 1 ) Phi, wherein, P1 max Is an upper limit value of the first recommended tire pressure, P1 min A lower limit value of the first recommended tire pressure, M is a base tire pressure, N is a maximum variable range difference value of the base tire pressure, T is a temperature value (unitless) of the set reference temperature, T is a maximum variable range difference value of the base tire pressure, and 1 phi is a temperature value of the real-time temperature of the tire acquired by the current temperature sensor, is a tire pressure correction parameter and is between 0.006bar and 0.012bar, and the preferential value is 0.01bar;
in this embodiment, the road condition detection component converts the road condition information into an electric signal and sends the electric signal to the in-vehicle central control, and the in-vehicle central control obtains the minimum value P2 of the recommended range of the second running tire pressure according to the road condition information min And a maximum value P2 max ，P2 max ＝(M+N)+(Q s -Q/V*V S )*△n，P2 min ＝(M－N)+(Q s -Q/V*V S ) Δ n, wherein P2 max Is the upper limit value of the second recommended tire pressure, P2 min A lower limit value of a second recommended tire pressure, M being a base tire pressure, N being a maximum variable range difference value of the base tire pressure, V S Is a value (without unit) of the set base running speed, qs is a value of the vehicle at V S The critical times of triggering of the power-on loop per second when the vehicle runs at the running speed, when the times of triggering of the power-on loop per second is more than Qs, the vehicle is in a bumpy road condition, and when the times of triggering of the power-on loop per second are more than Qs, the vehicle is in a bumpy road conditionThe times of the vehicle is smaller than Qs, the vehicle is in a smooth road condition, V is the numerical value of the current vehicle running speed, Q is the trigger times of the power-on loop in each second time actually measured under the condition that the running speed value is V, and delta n is a tire pressure correction parameter and the preferred value is 0.004bar;
in the embodiment, the in-vehicle central control compares and selects the lowest value and the highest value in the first running tire pressure recommendation range and the second running tire pressure recommendation range, selects four the lowest values and the highest values in the intermittent tire pressure recommendation interval by combining the middle two values according to the magnitude arrangement, and can determine the adaptive tire pressure setting reference range according to the influence of the running road condition and the temperature by setting the intermittent tire pressure recommendation interval which changes along with the time;
example 1: taking a tire with the specification of 235/55R19 as an example, the width of the tire is 235mm, the height of the side wall is 129.25mm, the diameter of the tire is 664.9mm, the circumference of the tire is 2088.8mm, when V =40 is specified, the driving speed of the automobile is 40km/h, namely 11.11M/s, the rotating speed of the tire is 11.11/2.088R/s, namely 5.32R/s, the number of horizontal connecting rods 4 on a single hub 1 is 12, and under the driving speed value of the current vehicle, the effective triggering times Q =50 of an electric circuit in each second time, the base tire pressure M =2.5bar, the maximum variable range difference N =0.3bar of the base tire pressure, the critical times Qs =5 of the triggering of the electric circuit, and the base driving speed value V =50 S =40, tire pressure correction parameter Δ n =0.004bar, then P2 max ＝(2.5bar+0.3bar)+(5-50/40*40)*0.004bar＝2.62bar，P2 min = (2.5 bar-0.3 bar) + (5-50/40 x 40) × 0.004bar =2.02bar, namely the second running tire pressure recommended range is 2.02bar-2.62bar at this time;
similarly, taking a tire with the specification of 235/55R19 as an example, the width of the tire is 235mm, the height of the side wall is 129.25mm, the diameter of the tire is 664.9mm, the circumference of the tire is 2088.8mm, the basic tire pressure value M =2.5bar, the maximum variable range difference value N =0.3bar of the basic tire pressure, the reference temperature value T =25, and the real-time temperature value T of the tire obtained by the current temperature sensor 1 =55, tire pressure correction parameter phi =0.01bar, then P1 max ＝(2.5bar+0.3bar)+(25-55)*0.01bar＝2.5bar，P1 min = (2.5 bar-0.3 bar) + (25-55) × 0.01bar =1.90bar, i.e. whenThe first running tire pressure recommended range is 1.90bar to 2.50bar, and in summary, in this embodiment, the intermittent tire pressure recommended interval is 2.02bar to 2.50bar.
As an implementation manner in this embodiment, the in-vehicle central control records the intermittent tire pressure recommended interval obtained every five minutes, and compares and judges the detection result of the tire pressure detector 2 in the subsequent driving process with the corresponding intermittent tire pressure recommended interval;
in this embodiment, when the vehicle is started next time, the in-vehicle central control unit displays the last recorded intermittent tire pressure recommended interval, and the driver can refer to the intermittent tire pressure recommended interval according to the current parking time and the current traveling road section, judge whether the pressure of the tire needs to be relieved or increased, and provide scientific guidance basis for the driver to adjust the tire pressure by setting and displaying the last recorded intermittent tire pressure recommended interval.
As an implementation manner in this embodiment, the road condition detecting assembly further includes a guiding assembly for ensuring that the electrode ball 7 vertically ascends and descends, the guiding assembly includes an upper sliding column 5 and a lower sliding column 6 which are matched with each other, a plurality of horizontal connecting rods 4 which are uniformly distributed are fixedly connected to the outer wall of the hub 1, the upper sliding columns 5 are fixedly connected to the plurality of horizontal connecting rods 4, the lower sliding columns 6 are slidably sleeved in the upper sliding columns 5, the electrode balls 7 are fixedly connected to the bottom ends of the plurality of lower sliding columns 6, a plurality of adaptive electrodes 11 which are uniformly distributed and are matched with the corresponding electrode balls 7 are fixedly mounted on the outer wall of the hub 1, and when the vehicle encounters bump, the electrode balls 7 and the adaptive electrodes 11 at the highest position are in contact with each other to trigger the energizing circuit due to inertia and gravity, and the number of triggering times in unit time is used to visually reflect road condition information.
As an implementation manner in this embodiment, the upper fixing discs 8 are fixedly sleeved on the plurality of upper sliding columns 5, the lower fixing discs 9 are fixedly sleeved on the plurality of lower sliding columns 6, the inertia springs 10 are sleeved on the plurality of upper sliding columns 5, two ends of the inertia springs 10 are respectively and fixedly connected to the corresponding upper fixing discs 8 and the corresponding lower fixing discs 9, and by setting the guiding assembly, the electrode ball 7 at the highest position can keep relatively vertically falling and contact with the corresponding adaptive electrode 11.
The working principle of the invention is as follows: after the vehicle is cold started, the tire pressure detector 2 can obtain the current tire pressure value, and transmit the tire pressure information to the in-vehicle central control, the in-vehicle central control receives the current tire pressure value, and judge whether the in-vehicle central control is located in the tire pressure fluctuation interval range set by the current in-vehicle central control, if the in-vehicle central control receives that the current tire pressure value is higher than the tire pressure fluctuation interval, the in-vehicle central control controls the pressure release valve to open, until the tire pressure detector 2 detects that the tire pressure is located in the tire pressure fluctuation interval range, close the pressure release valve, if the in-vehicle central control receives that the current tire pressure value is lower than the tire pressure fluctuation interval, the in-vehicle central control displays that "the tire pressure is low, please check", through setting the central control display function, timely remind the driver to adjust the tire pressure, thereby can ensure that the tire pressure is reasonable before the vehicle runs, and realize safe traveling.
In the driving process, the tire pressure value is monitored in real time through the tire pressure detector 2, tire pressure information is sent to an in-vehicle central control once every five minutes, the temperature sensor obtains the internal temperature of the tire at intervals of five minutes, the temperature information is sent to the in-vehicle central control, the in-vehicle central control obtains a first driving tire pressure recommendation range according to the obtained tire pressure and temperature changes, a road condition detection assembly converts road condition information into an electric signal and sends the electric signal to the in-vehicle central control, the in-vehicle central control obtains a second driving tire pressure recommendation range according to the road condition information, the in-vehicle central control compares and selects the lowest value and the highest value of the first driving tire pressure recommendation range and the second driving tire pressure recommendation range to form a tire pressure recommendation range in an intermittent mode, the adaptive tire pressure setting reference range can be determined according to influences of the driving road condition, the temperature and the like through setting of the intermittent tire pressure recommendation range changing along with time, on the premise of ensuring safe driving, the driving feeling can be improved, and the purposes of saving fuel oil and the like are achieved.
In the running process of the vehicle, the in-vehicle central control records the intermittent tire pressure recommended interval obtained every five minutes, the detection result of the tire pressure detector 2 in the subsequent running process is compared with the corresponding intermittent tire pressure recommended interval for judgment, the in-vehicle central control displays the last recorded intermittent tire pressure recommended interval when the vehicle is started next time, a driver can judge whether the tire needs to be decompressed or pressurized according to the influence of the current parking time on the tire temperature and whether the tire is still positioned on the running road section or not by referring to the intermittent tire pressure recommended interval, and scientific guidance basis is provided for the driver to adaptively adjust the tire pressure according to conditions such as road conditions.
When meetting the vehicle and jolting, because inertia influence and action of gravity for the inertia spring 10 of highest position department takes place great elastic deformation on wheel hub 1, then make corresponding electrode ball 7 move down, contact with corresponding adaptation electrode 11, thereby realize the circular telegram, and record through accuse in the car, thereby the degree of jolting of road conditions is reflected directly perceivedly, and simultaneously, last traveller 5 and lower traveller 6 through setting up the looks adaptation, the electrode ball 7 of having ensured highest position department can keep relative vertical motion, then ensure the accuracy of road conditions reflection.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a wireless monitoring alarm system of tire pressure, well accuse in including wheel hub (1) and tire pressure detector (2) and the car, just tire pressure detector (2) with well accuse electrical connection in the car, its characterized in that: the tire pressure detector (2) is also provided with a temperature sensor electrically connected with the in-vehicle central controller, and the temperature sensor can monitor the temperature in the hub (1) in real time and send temperature information to the in-vehicle central controller;
the wheel hub (1) is further provided with a road condition detection assembly for detecting the bumpy degree of the road condition, the road condition detection assembly comprises an electrode ball (7) and an adaptive electrode (11), the electrode ball (7) is electrically connected with the central control in the vehicle, an electrifying loop can be formed when the electrode ball (7) is in contact with the adaptive electrode (11), and the central control in the vehicle can record the forming times of the electrifying loop and convert the forming times into road condition information;
the road condition detection assembly further comprises a guide assembly used for ensuring that the electrode ball (7) vertically ascends and descends, the guide assembly comprises an upper sliding column (5) and a lower sliding column (6) which are matched with each other, a plurality of horizontal connecting rods (4) which are uniformly distributed are fixedly connected to the outer wall of the wheel hub (1), the upper sliding column (5) is fixedly connected to the plurality of horizontal connecting rods (4), the lower sliding column (6) is sleeved in the upper sliding column (5) in a sliding mode, the electrode ball (7) is fixedly connected to the bottom ends of the plurality of lower sliding columns (6), and a plurality of matching electrodes (11) which are uniformly distributed and matched with the corresponding electrode ball (7) are fixedly installed on the outer wall of the wheel hub (1);
all fixedly connected with upper fixed disk (8) on a plurality of travelers (5), and all fixedly sleeved with down fixed disk (9) on a plurality of travelers (6) down, all cup jointed inertial spring (10) on a plurality of travelers (5), and the both ends of a plurality of inertial spring (10) are fixed connection respectively on upper fixed disk (8) and lower fixed disk (9) that correspond.
2. The tire pressure wireless monitoring and alarming system according to claim 1, wherein: the pressure release subassembly contains one end and extends to the outside pressure release pipe (3) of wheel hub (1), the other end intercommunication of pressure release pipe (3) is in between wheel hub (1) and the tire inner wall, just still be equipped with the relief valve rather than the looks adaptation in pressure release pipe (3), the relief valve with well accuse electrical connection in the car.
3. The tire pressure wireless monitoring and alarming system according to claim 2, wherein: after the vehicle is in cold start, the tire pressure detector (2) can acquire the current tire pressure value and send the tire pressure information to the in-vehicle central control, and the in-vehicle central control receives the current tire pressure value and judges whether the tire pressure value is located in the tire pressure fluctuation range set by the in-vehicle central control.
4. The tire pressure wireless monitoring and alarming system according to claim 3, wherein: if the current tire pressure value received by the in-vehicle central control is higher than the tire pressure fluctuation interval, the in-vehicle central control controls the pressure release valve to open until the tire pressure detector (2) detects that the tire pressure is in the range of the tire pressure fluctuation interval, and the pressure release valve is closed;
and if the current tire pressure value received by the in-vehicle central control unit is lower than the tire pressure fluctuation interval, the in-vehicle central control unit displays warning information.
5. The tire pressure wireless monitoring and alarming system according to claim 4, wherein: if the current tire pressure value received by the in-vehicle central control unit is located in the tire pressure fluctuation interval, the tire pressure value is monitored in real time through the tire pressure detector (2), tire pressure information is sent to the in-vehicle central control unit once every five minutes, the temperature sensor obtains the internal temperature of the tire at intervals of five minutes, and the temperature information is sent to the in-vehicle central control unit.
6. The tire pressure wireless monitoring and alarming system according to claim 5, wherein: the in-vehicle central control obtains the minimum value P1 of the recommended range of the first running tire pressure according to the obtained tire pressure and temperature change min With a maximum value P1 max ，P1 max ＝(M+N)+(T-T1)*∮，P1 min Phi, = (M-N) + (T-T1) × phi, in which, P1 max An upper limit value for the first recommended tire pressure, P1 min The tire pressure correction parameter is a lower limit value of a first recommended tire pressure, M is a basic tire pressure, N is a maximum variable range difference value of the basic tire pressure, T is a temperature value (no unit) of a set reference temperature, T1 is a temperature value of a tire real-time temperature acquired by a current temperature sensor, and phi is a tire pressure correction parameter and is between 0.006bar and 0.012 bar;
the road condition detection assembly converts the road condition information into an electric signal and sends the electric signal to the in-vehicle central control, and the in-vehicle central control obtains a minimum value P2 of a second driving tire pressure recommendation range according to the road condition information min And a maximum value P2 max ，P2 max ＝(M+N)+(Q s -Q/V*V S )*△n，P2 min ＝(M-N)+(Q s -Q/V*V S ) Δ n, wherein P2 max Is the upper limit value of the second recommended tire pressure,
P2 min a lower limit value of the second recommended tire pressure, M being a base tire pressure, N being a maximum variable range difference value of the base tire pressure, V S Is a numerical value (unitless) of the set base travel speed, Q s Is that the vehicle is at V S The critical times of triggering of the energizing circuit per second when driving at a driving speed, when the times of triggering of the energizing circuit per second are greater than Q s When the number of times of triggering of the electrified loop per second is less than Q, the vehicle is in a bumpy road condition s The vehicle is shown to be in a smooth road condition, V is the numerical value of the current vehicle running speed, Q is the number of triggering times of the power-on loop in each second time actually measured under the condition that the running speed value is V, and Delta n is a tire pressure correction parameter and the selected value is 0.004bar; and the in-vehicle central control compares and selects the lowest value and the highest value in the first running tire pressure recommendation range and the second running tire pressure recommendation range, and selects four the lowest values and the highest values in the intermittent tire pressure recommendation interval by combining two values in the middle of the four the highest values according to the size arrangement.
7. The tire pressure wireless monitoring and alarming system according to claim 6, wherein: the in-vehicle central control records the intermittent tire pressure recommended interval obtained every five minutes, and compares and judges the detection result of the tire pressure detector (2) in the subsequent driving process with the corresponding intermittent tire pressure recommended interval; when the vehicle is started next time, the in-vehicle central control displays the last recorded intermittent tire pressure recommended interval, and a driver can refer to the intermittent tire pressure recommended interval according to the current parking time and the current driving road section and judge whether the pressure of the tire needs to be relieved or increased.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS62152914A (en) * | 1985-12-26 | 1987-07-07 | Nippon Soken Inc | Running road surface condition detecting device |
| JPH07290915A (en) * | 1994-04-21 | 1995-11-07 | Pacific Ind Co Ltd | Small size transmitter for pressure switch of tire air-pressure alarm device |
| JP2002012008A (en) * | 2000-06-28 | 2002-01-15 | Satoru Murai | Wheel with antiskid device projected |
| JP2003290175A (en) * | 2002-03-29 | 2003-10-14 | Sony Corp | Physical condition detector and program |
| SE524746C2 (en) * | 2003-02-13 | 2004-09-28 | Sven A Jansson | vehicle Wheels |
| US6945103B1 (en) * | 2004-04-26 | 2005-09-20 | Seetron Inc. | Tire status monitoring system |
| WO2006095429A1 (en) * | 2005-03-10 | 2006-09-14 | The Yokohama Rubber Co., Ltd. | Road surface condition detection system, active suspension system, anti-lock brake system, and sensor unit for the road surface condition detection system |
| WO2009103252A2 (en) * | 2008-02-21 | 2009-08-27 | Coda Development, S.R.O. | A device for adjustment of pressure in tires. |
| CN101927667A (en) * | 2010-09-06 | 2010-12-29 | 奇瑞汽车股份有限公司 | Method and system for regulating tire pressure of tire |
| CN205168074U (en) * | 2015-11-13 | 2016-04-20 | 李韩婷 | Car tire pressure detects suggestion device |
| CN106427415A (en) * | 2016-10-27 | 2017-02-22 | 无锡蠡湖增压技术股份有限公司 | Adjustable pressure maintenance ring |
| CN109774456B (en) * | 2019-01-16 | 2021-07-27 | 山东交通学院 | Hub motor driving device of electric automobile |
| CN110281711B (en) * | 2019-06-21 | 2021-06-25 | 江北区和丰科技创新发展研究院 | Tire pressure detection system and method thereof |
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