TWI448663B - Navigation device and navigation method - Google Patents

Description

Navigation device and navigation method

The present invention relates to a navigation device, and more particularly to a navigation device that assists in eliminating the abnormality of the tire pressure.

The stability of the tire pressure plays a pivotal role in the safety of the driver. During the process of traveling, the vehicle is often subject to some unpredictable factors, and the tire pressure cannot be maintained within the standard range. If the tire pressure continues to be abnormal, and the driving driver is unaware that he continues to drive on the road, the consequences are conceivable. Therefore, it is important to confirm the condition of the tire pressure at regular intervals.

In the past, the device used to detect the tire pressure was judged whether the tire pressure was normal through the pressure gauge on the air compressor, or whether the tire pressure was normal through the color displayed on the display tire pressure nozzle. However, both of them have the disadvantage that the tire pressure condition cannot be confirmed instantaneously during the driving process.

As disclosed in the Republic of China Patent Publication No. 200916728, the navigation system includes a tire pressure monitoring signal receiving unit for receiving a tire pressure monitoring signal, a processor for generating tire pressure information based on the tire pressure monitoring signal, and a sound player. And a display for displaying tire pressure information. The tire pressure information includes a tire pressure value and a tire temperature value.

When the processor determines that the tire pressure value or the tire temperature value is abnormal, a warning signal including the tire pressure information for the display and an audio signal for the sound playback unit to perform voice playback are generated. That is, the display switches to display a picture related to the abnormal tire pressure information. Such as Although this can solve the problem of abnormal tire pressure during the driving process, it can not further assist the user to eliminate the problem of abnormal tire pressure.

Accordingly, it is an object of the present invention to provide a navigation device having an auxiliary user that excludes abnormal tire pressure.

Therefore, the navigation device of the present invention receives one of the sensing signals transmitted from at least one tire sensing module disposed on at least one tire. The navigation device comprises a body, a wireless receiving module, a global positioning system antenna module, a storage module, a central processing module, and at least one warning module.

The body includes at least one corner.

The wireless receiving module receives and outputs the sensing signal.

The global positioning system antenna module receives and outputs a positioning signal.

The storage module stores a map, and the map includes at least one point of interest.

The central processing module is electrically coupled to the wireless receiving module, the global positioning system antenna module and the storage module, and receives the positioning signal to obtain a current position after calculation. The central processing module is configured to: when the sensing signal falls outside a safe value, use the point of interest as a new destination, plan a new navigation path from the current location to the new destination, and output a warning Signal.

The warning module is disposed at the corner and electrically coupled to the central processing module for receiving and outputting the warning signal.

Another object of the present invention is to provide another navigation device having an auxiliary user to exclude abnormal tire pressure.

Therefore, the navigation device of the present invention receives one of the sensing signals transmitted from the at least one tire sensing module disposed on the at least one tire. The navigation device comprises a wireless receiving module, a global positioning system antenna module, a storage module, a central processing module, and a display module.

The wireless receiving module receives and outputs the sensing signal.

The global positioning system antenna module receives and outputs a positioning signal.

The storage module stores a map, and the map includes at least one point of interest.

The central processing module is electrically coupled to the wireless receiving module, the global positioning system antenna module and the storage module, and receives the positioning signal to obtain a current position after calculation. The central processing module is configured to: when the sensing signal falls outside a safe value, use the point of interest as a new destination, plan a new navigation path from the current location to the new destination, and output a warning Signal.

The display module is electrically coupled to the central processing module. The display module includes at least one alert unit. The warning unit is disposed at at least one corner of the display module and receives and outputs the warning signal.

Another object of the present invention is to provide a navigation method having an auxiliary user to exclude abnormal tire pressure.

Thus, the navigation method of the present invention is applicable to a navigation device. The navigation device receives a sensing signal from at least one tire sensing module disposed on the at least one tire. The navigation method includes receiving the sensing signal, receiving a positioning signal, and calculating the positioning signal. Obtaining a current position; determining whether the sensing signal falls outside a safe value; and when the sensing signal When falling outside a safe value, at least one point of interest on a map is set as a new destination; a new navigation path from the current location to the new destination is planned; and a warning signal is output.

The effect of the present invention is that when the tire pressure is abnormal, the user can assist the user to immediately deal with the tire abnormality by planning the new navigation route with the point of interest as a new destination, for example, going to the garage for maintenance.

The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments of the invention.

Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to Figures 1 and 2, a first preferred embodiment of a navigation device 1 of the present invention can be mounted in a car (not shown). The four tires (not shown) of the automobile are each provided with a tire sensing module 4. Each tire sensing module 4 is configured to generate at least one sensing signal corresponding to the tire pressure/tire temperature condition of the tire to which it is disposed. In the first preferred embodiment, the tire sensing modules 4 are generally common wireless tire pressure sensors disposed on the nozzles of the tires.

The navigation device 1 includes a body 11 including four corners 111, an output unit 5 disposed on the body 11, a Global Positioning System (GPS) antenna module 13, and a wireless receiving module 15. A central processing module 16, four warning modules 17, and a storage unit 3. In the first preferred embodiment, the warning modules 17 are Light Emitting Diode (LED) lamps, and are respectively disposed on the corners 111 of the body 11; each of the warning modules 17 The configured positions respectively correspond to one of the tires of the automobile; that is, the left and right two warning modules 17 on the upper side of the body 11 of the navigation device 1 respectively correspond to the left front wheel and the right front wheel of the automobile; similarly, Two left and right warning modules 17 located on the lower side of the body 11 of the navigation device 1 respectively correspond to the left rear wheel and the right rear wheel of the automobile. The output unit 5 is a touch screen and is adjacent to the warning module 17.

The global positioning system antenna module 13 is configured to receive and output a positioning signal.

The wireless receiving module 15 is configured to receive the sensing signals generated by the tire sensing modules 4 and convert them into a plurality of tire information corresponding to the sensing signals by filtering, amplifying, and the like. The processing of filtering, amplifying, and the like of the sensing signals may be separately processed by using a tire pressure/tire temperature signal conversion unit (not shown), and is not limited to the first preferred embodiment; The processing techniques, and the details of signal transmission and reception between the tire sensing module 4 and the wireless receiving module 15 are easily understood by those skilled in the art, and therefore will not be described herein.

The storage unit 3 includes a map database 31 and a row of vehicle information recording media 32 for storing at least one map and the tire information. The map is the existing electronic map content, which includes attraction information, highway information, and at least one point of interest. Each tire information includes a tire pressure value, a tire temperature value, and an identification value of the corresponding tire. This identification value is used to identify each individual tire sensing module 4. In the first preferred embodiment, the driving information recording medium 32 is a flash memory and stores a tire life table for recording the tire life. The map's points of interest are used for the repair of the car, such as a garage.

The central processing module 16 is electrically coupled to the global positioning system antenna module 13, the wireless receiving module 15, and the storage module 3, and receives the positioning signal and is calculated to obtain a current position. The central processing module 16 also stores the sensing signals in the driving information recording medium 32 of the storage module 13, and forms the continuous sensing signals into a monitoring table. This monitoring table is information on the daily changes in tire pressure and tire temperature that should be waited for.

The central processing module 16 is also configured to provide a user interface (not shown). The user interface includes at least one mode of operation for selection by a user. In the first preferred embodiment, the user interface includes two operation modes, a first mode and a second mode. When the user selects the first mode, the user interface will provide the user with a safe value. When the user selects the second mode, the central processing module 16 also generates a tire pressure/tire temperature screen displayed by the output unit 5 for viewing by the user and including the monitoring table according to the tire information.

The warning modules 17 are disposed on the corners 111 and electrically coupled to the central processing module 16 .

Referring to FIG. 1, FIG. 2, FIG. 6, and FIG. 7, the navigation method of the present invention is further described with reference to an example to further explain the operation of each module.

As shown in step S11, after the user turns on the navigation device 1, the wireless module receiving unit 15 receives the sensing signals generated by the tire sensing modules 4, and converts them into corresponding tires. Tire information.

As shown in step S12, the global positioning system antenna module 13 continuously receives and outputs a positioning signal.

As shown in step S13, the central processing module 16 receives the positioning signal and calculates it to obtain the current location.

As shown in step S14, the central processing module 16 compares the tire information with the safety value. The content of the safety value is a preset standard range, that is, a tire pressure standard range or a tire temperature standard range. The tire pressure standard range is an upper Bound and a lower Bound set by the user for the tire pressure. The tire temperature standard range is a temperature upper limit value and a tire temperature lower limit value set by the user for the tire temperature. The central processing module 16 compares the tire pressure value and the tire temperature value of the tire information with the tire pressure standard range and the tire temperature standard range.

It is worth mentioning that the value of the corresponding standard range can be input through the user interface after the user selects the first mode. However, the values of the corresponding standard ranges may also be in the navigation device 1. Default Value. The central processing module 16 stores the value of the corresponding standard range on the driving information recording medium 32.

As shown in step S15, when at least one of the tire information falls outside the safe value, that is, when at least one of the tire pressure values of the tire information is not within the tire pressure upper limit and the tire When the range of the reduction limit is within the range, or when at least one of the tire temperature values of the tire information is not within the range of the upper limit of the tire temperature and the lower limit of the tire temperature, the central processing module 16 The point of interest of the map is a new destination.

As shown in step S16, the central processing module 16 plans at least one new navigation path for the user to refer to and the new destination as the end point according to the positioning signal and the map database 31. The new destination is a garage adjacent to the location corresponding to the positioning signal; or the new navigation path may also cover an alternate track adjacent to the location corresponding to the positioning signal. Further, when the location corresponding to the positioning signal is on the highway, the new navigation path covers the communication channel closest to the positioning signal, except that the new destination is the garage. For the user to refer to the new navigation path to decide whether to quickly connect the communication channel to the nearest garage; when the location corresponding to the positioning signal is on a general flat road, the new navigation path The new destination is the garage that is adjacent to the location signal so that the user can refer to the new navigation path and decide whether to go to the garage as soon as possible.

It is worth mentioning that if the central processing module 16 has previously planned an original navigation route, the central processing module 16 generates when at least one of the tire information falls outside the security value. The new navigation path for the user to refer to for the user to decide whether to replace the original navigation route with it.

As shown in step S17, the central processing module 16 generates an alert signal corresponding to the tire of the tire information that falls outside the safe value. Then, the warning modules 17 receive and output the warning signal. The output warning signal is presented with a visual alert effect. When the warning module 17 exhibits the visual warning effect, the output of the output unit 5 is not affected. That is to say, in the process of displaying the relevant navigation screen by the output unit 5, when the tire pressure or the tire temperature of the tires is abnormal, the visual warning effect presented by the warning module 17 can be intuitively provided by the user. It is immediately known which tire is abnormal and does not interrupt the display of the output unit 5.

Each of the warning modules 17 is displayed with a light of a first color when the warning signal is not received, and is displayed with a light of a second color when the warning signal is received. The visual warning effect is the light number of the second color. In the first preferred embodiment, the first color is green and the second color is red. It is worth mentioning that the warning modules 17 can also be displayed in a third color (for example, yellow). The purpose is to distinguish between tire pressure or tire temperature in the abnormality of the tire information. That is, when at least one of the tire pressure values of the tire information is not within the range of the tire pressure upper limit value and the tire pressure lower limit value, the warning modules 17 are displayed by the second color light number. When at least one of the tire temperature values of the tire information is not within the range of the tire temperature upper limit value and the tire temperature lower limit value, the warning elements 17 are displayed by the third color lamp number. Therefore, the user can determine which tire tire pressure or tire temperature is abnormal by the displayed color of the warning module 17.

Referring to FIG. 2, when the tire pressure of the right front wheel of the automobile is abnormal, the warning module 17 in the upper right corner of the body 11 of the navigation device 1 displays a red light, and the central processing module 16 generates the new navigation. The path is for the user's reference and guides the user to the adjacent garage.

Moreover, when the operation mode selected by the user is the second mode, the central processing module 16 generates a tire pressure/tire temperature screen displayed by the output unit 5 for viewing by the user according to the tire information. Wherein the tire pressure/tire temperature picture includes the monitoring table corresponding to the tires of the automobile.

That is, since the driving information recording medium 32 is continuously stored for the tire information, in the second mode, the central processing module 16 can convert the continuous tire information into the tire pressure/tire temperature. Change the screen for the user to see the tire pressure and tire temperature changes of the tires. In the first preferred embodiment, the vertical axis of the monitor is the value of the tire pressure, and the horizontal axis is the date, showing the change in the daily value of the tire pressure of the tires (see Fig. 5).

In addition, the central processing module 16 is also used to assist the user in determining whether the tire needs to be replaced.

As shown in step S21, when the user replaces the new tire, the central processing module 16 receives a reset command. This reset command will initialize a usage mileage corresponding to the tire.

As shown in step S22, the central processing module 16 calculates the mileage using the route plan and stores the mileage on the driving information recording medium 32.

As shown in step S23, the central processing module 16 matches the tire life table with the mileage of use, that is, compares the usage mileage with the tire life table.

As shown in step S24, when the comparison result indicates that the usage mileage exceeds the tire life table, that is, when the usable range is exceeded, step S25 is performed.

As shown in step S25, the central processing module 16 outputs an alert signal.

That is, when the mileage used by the tire exceeds a critical value in the life table of the tire, the central processing module 16 outputs a warning signal to remind the user that the new tire should be replaced.

Referring to FIG. 3 and FIG. 4 , a second preferred embodiment of the navigation device 1 of the present invention includes the global positioning system antenna module 13 , the wireless receiving module 15 , and the central processing module of the first preferred embodiment. 16. The storage unit 3, the output unit 5, and a display module 7; wherein the same or similar elements as the first preferred embodiment are not described herein. The following is an example of the interaction between the display module 7 and other units.

The display module 7 is electrically coupled to the central processing module 16 . The display module 7 includes at least one alert unit 81. The warning unit 81 is disposed at at least one corner of the display module 7 and receives and outputs the warning signal.

That is, the display module 7 is used to generate a picture 8. This screen 8 is displayed through the output unit 5. The screen 8 includes four warning units 81 located at four corners of the upper left, upper right, lower left, and lower right, and a navigation information display area 82 different from the warning units 81. The positions of the warning units 81 located in the screen 8 respectively correspond to the tires of the automobile. That is, the position of the warning unit 81 presenting the visual warning effect in the screen 8 corresponds to one of the tires of the automobile.

That is to say, the left and right warning units 81 located on the upper side of the screen respectively correspond to the left front wheel and the right front wheel of the automobile. Similarly, the left and right warning units 81 located on the lower side of the screen respectively correspond to the left rear wheel and the right rear wheel of the car. Therefore, the user can immediately determine which tire is abnormal by the warning effect. The alert unit 81 outputs the alert signal generated by the central processing module 16 in a manner that presents a corresponding at least one visual alert effect.

In the second preferred embodiment, the visual alert effect is that the display module 7 is continuously displayed on the corresponding alert unit 81 to display a blinking red image. Of course, as in the first preferred embodiment, the display module 7 can also display a yellow screen different from the red screen, and the user can determine whether the abnormality is the tire pressure or the tire temperature.

Referring to FIG. 4, if the tire pressure of the right front wheel of the automobile is abnormal, the warning unit 81 located at the upper right corner of the screen will continuously flash the red screen, and the central processing module 16 will be generated for the user's reference. The new navigation path.

It is worth mentioning that, since the ranges of the warning unit 81 and the navigation information display area 82 are different from each other, when each warning unit 81 presents the corresponding visual warning effect, the navigation information display area 82 is not affected. Present the navigation screen.

In summary, the monitoring table can be used by the user to check the condition of the tire to prevent it; when the tire pressure or the tire temperature is abnormal, the new navigation path generated by the central processing module 16 can be used immediately. For the purpose of determining whether or not to go to a nearby garage for repair, it is indeed possible to achieve the object of the present invention.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

1. . . Navigation device

11. . . Ontology

111. . . Corner

13. . . Global Positioning System Antenna Module

15. . . Wireless receiving module

16. . . Central processing module

17. . . Warning module

3. . . Storage unit

31. . . Map database

32. . . Driving information recording media

4. . . Tire sensing module

5. . . Output unit

7. . . Display module

8. . . Picture

81. . . Warning display area

82. . . Navigation information display area

Figure 1 is a system diagram showing a first preferred embodiment of the navigation device of the present invention;

Figure 2 is a schematic view showing the state of use of the first preferred embodiment;

Figure 3 is a system diagram showing a second preferred embodiment of the navigation device of the present invention;

Figure 4 is a schematic view showing the state of use of the second preferred embodiment;

Figure 5 is a schematic view showing an example of the tire pressure / tire temperature change diagram;

Figure 6 is a flow chart illustrating the navigation method of the present invention;

Figure 7 is a flow chart illustrating the navigation method of the present invention.

1. . . Navigation device

11. . . Ontology

13. . . Global Positioning System Antenna Module

15. . . Wireless receiving module

16. . . Central processing module

17. . . Warning module

3. . . Storage unit

31. . . Map database

32. . . Driving information recording media

4. . . Tire sensing module

5. . . Output unit

Claims (4)

A navigation device is configured to receive a sensing signal from at least one tire sensing module disposed on at least one tire. The navigation device includes: a body including at least one corner; and a wireless receiving module receiving and Outputting the sensing signal; a global positioning system antenna module receiving and outputting a positioning signal; a storage module storing a map and a tire life table, wherein the map includes at least one point of interest; and a central processing module The group is electrically coupled to the wireless receiving module, the global positioning system antenna module and the storage module, and receives the positioning signal to obtain a current position after calculation, and the central processing module further senses the sense The test signal is stored in the storage module for forming the continuous sensing signal into a monitoring table, and the central processing module is configured to use the point of interest when the sensing signal falls outside a safe value. a new destination, planning a new navigation path from the current location to the new destination, and outputting a warning signal, the central processing module receiving a reset command when a tire is replaced, Calculating one of the tire usage miles by using a route specification, the central processing module matching the tire life table with the usage mileage for outputting the warning signal when the tire needs to be replaced; and at least one warning module The camera is disposed at the corner and electrically coupled to the central processing module for receiving and outputting the warning signal. The navigation device of claim 1, further comprising an output unit disposed on the body, and the output unit is associated with the warning The modules are adjacent. A navigation device is configured to receive a sensing signal from at least one tire sensing module disposed on at least one tire. The navigation device includes: a wireless receiving module that receives and outputs the sensing signal; The positioning system antenna module receives and outputs a positioning signal; a storage module stores a map and a tire life table, and the map includes at least one point of interest; and a central processing module electrically coupled to the The wireless receiving module, the global positioning system antenna module and the storage module, and receiving the positioning signal to obtain a current position after calculation, the central processing module further storing the sensing signal in the storage module The central processing module is configured to form a monitoring table, and the central processing module is configured to use the point of interest as a new destination when the sensing signal falls outside a safe value. a new navigation path to the new destination, and outputting a warning signal. The central processing module receives a reset command when a tire is replaced, and calculates the tire using a path plan. When the mileage is used, the central processing module matches the tire life table with the mileage to output the warning signal when the tire needs to be replaced; and a display module electrically coupled to the central processing module The display module includes at least one warning unit, and the warning unit is disposed at at least one corner of the display module, and receives and outputs the warning signal. A navigation method is applicable to a navigation device that receives one of at least one tire sensing module disposed on at least one tire a sensing signal, the navigation method includes: receiving the sensing signal; receiving a positioning signal; calculating the positioning signal to obtain a current position; determining whether the sensing signal falls outside a safe value, wherein The sensing signal is stored in a storage module of the navigation device for forming a continuous sensing signal into a monitoring table; when the sensing signal falls outside a safe value, a map is displayed Setting at least one point of interest as a new destination; planning a new navigation path from the current location to the new destination; outputting a warning signal; receiving a reset command; calculating a usage mileage using the route plan; The mileage matches one of the built-in tire life tables; and the warning signal is output when the tire needs to be replaced.