JP2003302249A - Vehicle running distance integrating meter and vehicle running distance integrated value storage system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To make difficult an illegal change of the stored running distance integrated value, in a running distance integrating meter for displaying a running distance integrated value of a vehicle. <P>SOLUTION: This running distance integrating meter D for displaying a running distance integrated value of the concerned vehicle 10 is provided on the vehicle 10. The running distance integrated value is stored in a non-volatile memory 21 of a computer 20 outside the vehicle, and the running distance integrated value stored in the non-volatile memory 21 is displayed. Thus, storage of the running distance integrated value in the running distance integrating meter D can be abolished and also the running distance integrated value is stored in the non-volatile memory outside the vehicle, so that it is very difficult to illegally change the stored running distance integrated value. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle mileage totalizer for displaying a vehicle mileage integrated value.

[0002]

2. Description of the Related Art Conventionally, a mileage accumulator that displays a mileage integrated value as a total mileage is provided with a storage means such as an EEPROM, and the mileage integrated value is written and updated in this EEPROM to be stored. There is.

[0003]

By the way, the above-mentioned EEP
The accumulated travel distance value stored in the ROM is important for understanding how the vehicle has been used. For example, in the used car market, automobiles having a short total mileage are popular, and such automobiles are often traded at a high price. Therefore, in order to increase the price of a used car, there is a situation in which the mileage integrated value stored in the EEPROM is rewritten to a small value and tampered with.

In view of the above points, it is a first object of the present invention to make it difficult to tamper with the stored accumulated travel distance value. A second object is to make it possible to easily determine whether or not an illegal tampering action has been performed.

[0005]

In order to achieve the first object, according to the invention of claim 1, a vehicle equipped with a vehicle (10) for displaying a traveled distance integrated value of the vehicle (10). It is a distance accumulator, and the accumulated traveling distance value is stored in an external storage means (21) outside the vehicle,
It is characterized in that the accumulated traveling distance value stored in 1) is displayed.

According to this, it is possible to eliminate the storage of the integrated value of the traveled distance in the traveled distance integrator, and moreover, to store the integrated value of the traveled distance in the external storage means (21) outside the vehicle. It is possible to make it extremely difficult to tamper with the integrated traveled distance value.

In order to achieve the second object, the invention according to claim 2
In the invention described in (1), a vehicle mileage totalizer that displays the mileage integrated value of the vehicle and stores the mileage integrated value at any time, wherein the mileage integrated value is provided outside the vehicle mileage integrated meter. In the in-vehicle storage means (15a),
It is characterized in that it is stored for each predetermined period.

As a result, if the mileage integrated value stored in the mileage integrated meter is tampered with illegally, the vehicle-mounted storage means (15) provided outside the mileage integrated meter is provided.
Since the mileage integrated value stored in a) is different from the value tampered with illegally, the mileage integrated value stored in the mileage integrated meter is stored in the vehicle-mounted storage means (15a). By collating with the integrated value of the traveled distance, it is possible to easily determine whether or not the above-mentioned tampering has been made.

According to the third aspect of the invention, it is preferable to use, as the vehicle-mounted storage means (15a), the storage means included in the navigation device (15) provided in the vehicle.

In the invention according to claim 4, the vehicle (10)
The vehicle mileage accumulator (D) provided in the
0) and a computer (20) provided outside the vehicle (10) and capable of communicating with the vehicle (10).
0) provides information on the integrated value of the vehicle's mileage to the vehicle (1
0) and stores and manages the received information, the vehicle mileage accumulator (D) is a computer (2).
It is characterized in that the accumulated traveling distance value is displayed based on the information stored and managed in 0).

According to this, the same effect as that of the invention described in claim 1 can be obtained, and the first object can be achieved.

According to the invention of claim 5, a vehicle mileage accumulator (D) for displaying an accumulated mileage of the vehicle and an on-vehicle storage means (15a) provided outside the vehicle mileage accumulator (D). ) And the integrated mileage of the vehicle,
The vehicle mileage accumulator (D) is stored at any time,
It is characterized in that it is stored in the vehicle-mounted storage means (15a) every predetermined period.

According to this, the same effect as that of the invention described in claim 2 can be obtained, and the second object can be achieved.

The reference numerals in parentheses of the above means are examples showing the correspondence with the concrete means described in the embodiments described later.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

(First Embodiment) FIG. 1 is a block diagram showing a vehicle mileage integrated value storage system of the present embodiment. The vehicle 10 and a computer 20 as an outside vehicle management center provided outside the vehicle 10. It consists of and. Then, the vehicle 10 and the computer 20 can communicate with each other.

A vehicle speed sensor 11 provided in the vehicle
Outputs information regarding the vehicle traveled distance integrated value to the transmitter 12 provided in the vehicle. Then, the transmitter 12 transmits the above information to the computer 20 of the vehicle outside management center. The vehicle speed sensor 11 is a speedometer S described later.
This vehicle speed sensor 11 uses
The vehicle speed of the passenger car is detected.

The computer 20 calculates a vehicle mileage integrated value based on the information transmitted from the transmitter 12.
Then, the calculated vehicle travel distance integrated value is stored in a nonvolatile memory 21 such as an EEPROM provided in the computer 20, and the vehicle travel distance integrated value is stored in the computer 2.
It is managed collectively by 0. The nonvolatile memory 2
Reference numeral 1 corresponds to the external storage means described in the claims.

Then, the computer 20 uses the vehicle traveling distance integrated value stored in the non-volatile memory 21 as the vehicle 10
It is transmitted to the receiver 13 provided in the. The display 14f, which will be described later, displays the vehicle traveling distance integrated value output from the receiver 13.

FIG. 2 shows a meter 14 mounted on the vehicle 10.
FIG. 14 is a front view of the meter 14, which is provided as a combination meter on the instrument panel of the passenger car.

The meter 14 comprises a speedometer S, a tachometer T, a shift indicator I and an electronic mileage accumulator D. The speedometer S indicates the vehicle speed of the passenger car by means of the scale 14a and the pointer 14b. The scale 14a is an annular dial plate 14c.
Is attached to the opening 14e of the bottom wall 14d from the back side thereof.

The mileage accumulator D is equipped with a display device 14f such as a liquid crystal panel, and the display device 14f is provided side by side with the opening 14g of the graduation plate 14a from the back side thereof. The display 14f digitally displays the integrated value of the travel distance of the passenger car as the total travel distance.

As described above, according to this embodiment, it is possible to eliminate the need to store the integrated travel distance value in the meter 14 equipped with the integrated travel distance meter D, and to store the integrated travel distance value in the computer 20 outside the vehicle. Therefore, it is possible to make it extremely difficult to tamper with the stored mileage integrated value.

(Second Embodiment) FIG. 3 is a block diagram showing a vehicle mileage integrated value storage system according to the present embodiment. A meter 14 having a mileage accumulator D and a navigation device 15 provided in the vehicle. It consists of and.

The information from the vehicle speed sensor 11 is output to both the meter 14 and the navigation device 15, and the meter 14 and the navigation device 15 respectively calculate the traveling distance integrated value based on the information from the vehicle speed sensor 11. It is calculated.

Then, in the meter 14, the calculated traveling distance integrated value is stored in the nonvolatile memory 14h such as the EEPROM provided in the meter 14 as needed. And EE
The traveling distance integrated value stored in the PROM 14h is displayed on the display 14f of the traveling distance integrating meter D.

On the other hand, in the navigation device 15, the calculated traveling distance integrated value is stored in the nonvolatile memory 15a such as the EEPROM provided in the navigation device 15 every predetermined period. Then, the traveling distance integrated value stored in the EEPROM 15a is displayed on the display 15b provided in the navigation device 15.
To display. The nonvolatile memory 15a corresponds to the vehicle-mounted storage means described in the claims.

As an example of the display mode on the display 15b, it is possible to display the monthly traveling distance. In addition to the travel distance, vehicle information such as fuel consumption may be displayed on the display 15b of the navigation device 15.

As described above, according to this embodiment, the integrated value of the traveling distance of the vehicle is calculated by the E non-volatile memory 14 of the meter 14.
In addition to being stored in h at any time, it is also stored in the non-volatile memory 15a of the navigation device 15 at predetermined intervals.
The traveling distance integrated value stored in the display 14b is also displayed on the display unit 15b. Therefore, if the traveling distance integrated value stored in the memory 14h of the meter 14 is illegally tampered with, it is provided outside the meter 14. 15b of the navigation device 15
Since the integrated value of the traveled distance displayed on the display is different from the value tampered with illegally, the integrated value of the traveled distance displayed on the display 14f of the meter 14 is displayed on the display 15 of the navigation device 15.
By collating with the total traveled distance displayed in b,
It is possible to easily determine whether or not the above-mentioned tampering has been performed.

(Other Embodiments) In the first embodiment,
The computer 20 stores and collectively manages the vehicle mileage integrated value. However, in implementing the present invention, information other than the information regarding the vehicle mileage integrated value is also transmitted from the vehicle 10 to the computer 20. You may make it manage collectively. It should be noted that examples of information other than the information relating to the vehicle travel distance integrated value include engine rotation information, cooling water temperature information, and information on the route taken by the vehicle.

When the present invention is carried out, the vehicle 10 transmits to the computer 20 together with the identification information of the vehicle 10 in addition to the information on the integrated value of the traveling distance. The identification information may be stored together with the information regarding the integrated value. As a result, it is possible to prevent the act of illegally replacing the total traveled distance value by replacing the entire meter 14.

In the first embodiment, the computer 20 calculates the integrated travel distance based on the information transmitted from the transmitter 12. However, for example, the vehicle 10 such as the meter 14 travels. The distance integrated value is calculated, and the calculated running distance integrated value is transmitted from the transmitter 12 to the computer 20.
Of course, it may be transmitted to the.

[Brief description of drawings]

FIG. 1 is a block diagram showing a vehicle mileage integrated value storage system according to a first embodiment of the present invention.

FIG. 2 is a front view of a passenger vehicle instrument equipped with the display shown in FIG.

FIG. 3 is a block diagram showing a vehicle mileage integrated value storage system according to a second embodiment of the present invention.

[Explanation of symbols]

10 ... Vehicle, 21 ... Non-volatile memory (external storage means) of an external computer, D ... Vehicle mileage accumulator.

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) F02D 45/00 F02D 45/00 376F 376H (72) Inventor Kazuyuki Kondo 1-chome, Showa-cho, Kariya city, Aichi prefecture In stock company DENSO (72) Inventor Akihiro Watanabe 1-1, Showa-cho, Kariya city, Aichi Prefecture In stock company DENSO (72) Inventor, Kahei Kato, 1-1, Showa-cho, Aichi prefecture Stock company DENSO F-term (reference) 3D044 BA00 BA26 BA27 BB01 BD02 BD13 3G084 BA33 DA28 EA05 EB06 FA00

Claims (5)

[Claims] 1. A vehicle (10) equipped with the vehicle (1)
0) A mileage totalizer for displaying the mileage integrated value of 0), wherein the mileage integrated value is stored in an external storage means (21) outside the vehicle.
A vehicle mileage totalizer which stores the mileage integrated value stored in the external storage means (21). 2. A vehicle mileage accumulator which displays an accumulated mileage of a vehicle and stores the accumulated mileage at any time, wherein the accumulated mileage is provided outside the vehicle mileage accumulator. A vehicle mileage accumulator, characterized in that the vehicle-mounted storage means (15a) is stored at predetermined intervals. 3. The vehicle mileage accumulator according to claim 2, wherein the vehicle-mounted storage means (15a) is a storage means included in a navigation device (15) provided in the vehicle. 4. A vehicle mileage accumulator (D) provided in the vehicle (10), and the vehicle (10) provided outside the vehicle (10).
A computer (20) capable of communicating with the computer (20), the computer (20) receives from the vehicle (10) information related to an integrated travel distance of the vehicle, and stores and manages the received information. The vehicle mileage integrated value storage system (D) displays the mileage integrated value based on the information stored and managed by the computer (20). 5. A vehicle mileage accumulator (D) for displaying an accumulated mileage of a vehicle, and the vehicle mileage accumulator (D).
And an on-vehicle storage means (15a) provided outside of the vehicle, for storing an integrated value of a vehicle traveled distance in the vehicle traveled distance integrator (D) at any time, and for a predetermined period in the on-vehicle storage means (15a). A vehicle mileage integrated value storage system characterized by being stored for each.