DE2320540A1 - DIAGNOSTIC UNIT FOR MOTOR VEHICLES - Google Patents

Description

Diagnostic device for motor vehicles «

Oils present invention relates to a diagnostic device for manually guided examination and inspection of motor vehicles.

As is well known, the error investigations are carried out by hand With the help of cards made * those from the car manufacturers can be made available as instructions for the individual car types.

These cards give the mechanic or examiner of the stomach a clue and must therefore constantly during the Examination and test drives are compared. After completing an examination, the mechanic must report the result or enter other findings on the map.

309844/0972

.- «- ■■
I.

However, with such an approach, the technician easily make mistakes. It can also happen that cards be confused with one another, that an attempt is overlooked, that errors are made in the entry or that the examinations not in the prescribed order be made.

That being said, the known card systems for the A large number of cards for diagnoses to be carried out by hand, one card for each vehicle type and one for each Types of experimentation, which poses problems when setting up the card index, requires a lot of space and wastes a great deal of time in carrying out the examinations.

The purpose of the present invention is to provide a diagnostic device for motor vehicles in which the above-mentioned deficiencies are avoided.

The solution to the given task is with a diagnostic device achieved of the type mentioned, which is characterized in that it has the following parts:

Take-away organs for a card «the one with information for everyone provided or possible examinations and the columns for entering details of the tests carried out and a code for the sequence who has examinations;

* a printer that puts the test results on the card can be printed on, in the event of repetition those of the experiment carried out;

309844/0972

- Members for the specification of the examinations, which by the user operated in the order of the attempts in question;

- »Contact persons who respond to the code on the card;

- Hand control devices for the advance of the card, for Operation of the printing unit and other work processes, and

• an electronic link that carries the signals from the links for specifying the experiments, as well as the contact persons and Control members can process and accordingly the feed and can stop the card, so that the card is based on a certain specification of the » leading attempts is continued until the User the display of an attempt is shown the order of the attempts to be carried out »where On the one hand, the user automatically enters the test result due to the actuation of the printing unit takes place in the card and its display to the user, and on the other hand the card transported on until the next attempt in the test series is, while the entry of the examination result immediately after the first entry or can be repeated later.

It depends on the specifications of the examinations to be carried out the title or the designation of the first attempt in question can be read off by means of a visual display, and after it has been carried out The printing unit is tested and checked on the motor vehicle Started by further actuation of the control unit. This makes the test result easier to read Form printed on the table, whereupon finally the world change the card until the next attempt in the series of attempts to be made is displayed,

30984 A / 0372 -4-

A uniform card type is used for this, starting with Columns is provided. In which the indications and instructions for each experiment to be carried out and in question, and the columns for entering the experiment results as well as for the codification of the experiments,

01 «Hand control devices can be total or also partly as remote control 'via a cable or by means of Ultrasound, radio (radio frequency) or the like to the Connected to the device.

According to an advantageous embodiment, the Also set up a television system for indoor broadcasting so that the ongoing examinations appear on a monitor, the monitor through a television camera belonging to the device is operated.

Additional monitors can be placed in suitable locations, and a probe television camera can also be used for special and various purposes can be provided.

A card memory is provided in the device, which is designed in the form of rolls or stacks, so that a continuous issue of the cards can take place.

The invention is illustrated below using an exemplary embodiment explained in more detail with reference to the drawings.

Et show:

FIg, I the housing of the diagnostic device according to the invention,

30984 4/09 7 2

2 shows the block diagram of the diagnostic device and

Fig. 3 shows a part of the paper strip with printed Cards.

In Figs. 1 and 2 1st an opening 1 in the Gehftuse for the Arranged exit of the paper strip or sheet of paper 2, on which the cards or brochures 3 (Fig. 3) are printed in columns.

The paper strip 2 is as a roll or in a stack according to Part 4 used, namely in a by a TQr or Flap 6 accessible space 5 in the housing. There it is carried along by a drum 7, which is driven by an electric motor M is driven.

Opposite the window or the opening 1 is an observation point 8, on which the order of the experiments recorded on the prospectus can be observed. The reading can advantageously Take place via a television arrangement that is housed in the housing. She has a television camera 9 for recording, which can take place directly or via a mirror 10, as well as a monitor ti «A lamp 12 is illuminated therefore the title.

There is also one in the field of view of the television camera 9 Display panel 13 with various information on the operation of the Device (such as program repetition, test result, paper strip reserve, Beginning and end of the card "error and the like," so that the operating staff can also see this information on the monitor H.

3098U / 0972

Furthermore, further screens 1 1 a can be provided, dt · operated by the same television camera 9 and arranged in suitable places for staff or other people will. The television circuit can be supplemented by means of a portable probe 14 of small dimensions to during the examinations to be able to observe certain places on the car that are difficult to access for the mechanic.

A switch 15 allows the television cameras to be connected 9 or 14 to the monitors 11 »11a.

At the observation point 3 near the paper strip is a Printing unit 16 is provided, which when pressed on the relevant The test result is printed on the card. This imprint also appears on the screen or screens.

In addition to the printing unit, a reader 17 is arranged, the one can read the code given on the card for the experiments.

The reader 17 can be optical, magnetic or other training be and has a certain number of response elements.

The following are provided to control the device:

A default device 18 for the experiments with a number of keys (J η of the figure, eight keys are shown), from the operator in advance according to the procedures to be carried out Experiments are operated, as well as the devices or devices 19 and 20, d! Β qI eichfa I Is by the operator be operated. The device 19 is a remote control which is connected to the device by means of a cable 21.

309844 / 0-9

It has three push buttons, of which two 22 and 23 are used to control the printing mechanism 16 and the subsequent advance of the cards until the next attempt, which is entered by the device 18, and of which the third button 24 is used to advance the card from one is used until the next examination without actuating the printer. For example, the pushbutton 22 is actuated to display or print the positive result of the specified attempt and, for example, to display the indication "Yes", while the key 23 indicates the negative result with ¹⁴ NoIn * ¹ .

According to a modification, the device 19 can be connected to the device using ultrasound or radio. Through this the cable 21 is eliminated and the user can move freely.

The device 20 built into the device has a number Keys up (six keys 29 to 34 are shown in the figure), which control the feed, the chord I I back I up and the Stopping at the beginning and at the end of a card, the advance and the return between two consecutive given ones Try; cause the examination to be repeated and the card to be paused. Of course, the device 20 also include device 19. The default devices 18 and control devices 19 and 20 are connected to a logical one Unit 26 connected to which the reader device 17 connected via a matching circuit 27 is.

The logic circuit 26 processes the incoming signals and controls both the motor M via the control circuit 28 and the printing unit 16.

- 8 3098 4 4/0972

- <a -

The electronic circuits 25, 26, 27, 28 are known in FIG Heise trained and therefore do not require any further description. Their structure can also be different, and although depending on the practical requirements, being the same logical result is achieved.

As already mentioned / Figure 3 shows part of the paper Strip or sheet 2, whereupon the cards 3 appear, the old ones are the same and are separated from each other by a perforation or partition I are separated in ie 29, at which the operator After the examinations have been completed, the card is torn off at the exit parts from the housing 1.

Each card has an upper part to be filled in, in which the type and characteristics of the motor vehicle to be examined are displayed, and a lower part on »the In is divided into six columns.

in the first and second columns are the numbers of the The order (N °) and the designation of the experiments (description of the experiments) are given. In the third column (result) and in the fourth column (repetition of the result) the entries of the test results made by the printing unit 16, and in the fifth column (comments) is the Selection code of the experiments given. It is obvious, that the printing unit on the third and fourth spa and the Reader 17 is arranged in the sixth column

Fig. 3 shows the cards before the experiments are carried out, and after performing, each of the cards has the printed one Indication of "yes" or "no" in the third column and, if necessary, the repetition of the result in the fourth Split.

309844/0972

The diagnostic device works as follows: The first action to be taken by the user is, of course, the specification of the attempts after closing the main switch number of kilometers driven, printed. This will set the diagnostic tool and only report the designations of a certain number of attempts to the mechanic. To "Start amr experiments the user operates the button 24 illustrates device 19 and effected by the advancement of the card 3, to the description of the first attempt of the test series β at the observation point, and thus appears on the monitor. 11 If, for example, the interrupter is to be examined first, the designation ^H interrupter check "appears on the screen 11.

The operator therefore carries out the checks on the vehicle on the basis of the specified examination and presses each time after a positive or negative test result, press key 22 or 23.

Pressing one or the other key initiates the commissioning of the printing unit 16, which In the column "Result" the result "Yes" on the card at the corresponding point (if applicable) or "no" (if not applicable} imprints.

One or the other information then appears at short notice on the monitor 11. In Figure 2, the positive result is "4a" specified.

- 10 -

309844/097 2

Pressing test «22 or 23 also causes the Advance of the card until at the observation point β and hence the name of the following on the monitor 11 Trial of the series of tests appears

To carry out the next attempt, the user takes precedence over him. He presses one of the buttons 22 or 23 around the To print the result «and continue until the row is shown Investigation is complete and the monitor shows the final signal appears for the investigations. In these "eyes" altck the corresponding card is completely outside the window opening 1 of the housing and can be accessed by the user the friction line 29 can be severed.

0Ie card provides evidence of the test results » based on which the necessary repairs are then carried out can be.

When using a double strip or sheet of the The card can also receive a double copy of the receipt will.

Is now in the course of investigations, the top jump of an investigation that had appeared on the monitor "is provided, the key 24 is again printed, and there is the NEI * terverstellung the strip without 4" takes place r card on · pressure " until it stops at the next attempt displayed on monitor ft.

the user notices that he is on the device 19 a wrong

Button, he can print the result with

dar device 20, for example by actuating the Repeat button 29.

■ - ■ 11 -

3098.44 / 09 72-

During this process, the meanwhile in the position for the following attempt in the card held ready in the de « Refuse the relevant position in question, and at the same time the printing unit 16 is set to that in the column "Repetition of the test result" prints.

Thereafter, when the correct key 22 or 23 and the printing unit 16 are pressed, the correct result is printed.

After this process, the card automatically returns to the next one Position of the test series back, and the printing unit is returned to the correct position of the "Result" column.

It is also by pressing another key 30 of the Device 20 possible, the card by cutting back in reset the initial position of the attempts or this upon actuation of a hold button 31 during the reset stop at the point of a particular attempt.

In any position of the card, when the key 32 is pressed, the printer is set to print "yes" or "no ¹ *" in the column "repetition of the measurement result ^H ; this means that the dta examination can be repeated.

When the button 33 is pressed, the continuous fast causes the card to be advanced to its end.

This further movement can go through at any point Can be stopped by pressing button 31.

- 12 -

309844/0972

The button 34 represents a repetition and a double of Key 24. It controls the advance of the card from one examination of the test series to the next without that Printing unit works.

Dl · Buttons 30 and 33 for continuous fast feed and return of the card control the motor M via the switch * glled 25.

The unit 26 is also connected to the display panel 13, to cause their displays, which appear on the monitor 11.

From the foregoing it can be seen that the user is no longer has the trouble to determine the selection and sequence of the examinations himself, because he is guided by the diagnostic device. Therefore, errors are no longer possible, and the Examinations can take place in quick succession

A single type of card is very suitable for diagnoses many types of cars, which is a significant advantage in terms of practical use and material procurement.

If you are working with stacks or piles of cards »can continuously from a series of tests of a car type be switched to another series of examinations, only requiring the actuation of an enter key of the device 18 i is.

The arrangement of the monitor also allows the display further displays or information than those already described.

- 13 -

309844/0972

For example, the monitor can be used to display sizes with regard to the tests carried out (high-voltage signat of candles, signal of cam angle «compression signal and others), for which at present a whole series of an Pointing devices are required.

In this case, the diagnostic device also has an inheritance device, to whose input the signals about the rumors in question are applied and to whose output the monitor is connected via the switch 15, so that a visual display in the form of parallel Supplies lines of different values according to the information values. The television camera 9 and the processing device can also be connected to the monitor 11 at the same time, one part of the screen of the monitor being used to display the information mentioned, while the other part of the screen is used by the camera to display the information. This additional or multiple use of the monitor deaf also reduce the cost and the space requirement, since the majority of otherwise coming for use display barley entfallt and ungsgerat by a single INHERIT it is replaced lower cost.

Expectations.

309844/0972

Claims (10)

Expectations: 1, diagnostic device for manual examination and inspection of motor vehicles., d a du r c h g - "~" indicates that it has the following part: - Carrying out organs for a card (3) with information for all planned or possible examinations are provided and the columns for entering information from the experiment carried out · and a code for the sequence who has examinations; - A printing unit (16) that applies the test results to the Can print on the card, namely in the event of repetition, those of the experiment carried out; • Members for specifying the examinations which the user operated in the order of the attempts in question; - response members (17) that respond to the code of the kart ·; - Manual control devices for advancing the kart ·, for operating the printing unit (16) and other work processes * and - An electronic element that sends the signals from the elements to the specification of the experiments, as well as the response and Can process support members and accordingly the pre * push and stop the card «so dad the card based on a certain specification of the - 15 - 09 8 44/09 72 leading attempts is continued until the User the display of an attempt is shown the order of the attempts to be carried out, wherein on the one hand, the entry of the test results automatically on the one hand due to the actuation of the printing unit by the user takes place in the card and its display for the user, and on the other hand the. map transported on until the next attempt in the test series is, while the entry of the examination result i SSO3 immediately after the first entry or can be repeated later. 2. Diagnostic device according to claim 1, characterized in that that the electronic part a logic unit (26). 3. Diagnostic device according to claims 1 and 2, characterized marked that the entrainment organs for the card a drum (7) and an electric motor (M) have which by means of a control circuit (28) to the Logic unit (28) is connected, 4. Diagnostic device according to claim 1, characterized draws that the responses (17) have elements corresponding to the code of the card, which have a matching or elk circle (27) are connected to the logic unit (28), 5. Diagnostic device according to claim 1, characterized in 9 · " Kennzel c h η e t that the hand control devices in whole or in part · are provided as a remote control (19) and via cable (21) or by means of ultrasound or radio (radio frequency) connected to the logic unit are. - 16 - 30984A / 0972 - 6, diagnostic device according to the preceding claims, characterized in that the tests to be carried out, the test results and further information visible by means of a television circle are made, which is housed in the housing of the diagnostic device Is and one on an observatory (8) of the Has card-aligned television camera (9) and a monitor (-1 1). 7, diagnostic device according to claim 6, characterized in that that the television circle is still has further monitors (11) mounted at suitable observation points and a probe television camera (14). 8. Diagnostic device according to claims I to 7, d a du r c h g e k e η η ze I c h η et that also a processing circuit for depending on the test results Information is provided, the output of which via · Ιη · η Switch (15) is connected to the monitors in such a way that the corresponding value on the screen formation appear and are readable, 9. Card for a diagnostic device according to one or more of the preceding claims, characterized in that it is essentially an upper Part for entering the vehicle data and a lower one Has part of the In columns for specifying the designations the attempts to be carried out »the printing unit data as well as the user and the code. - 17 - 3098A4 / 0972 10. Card according to claim 9, characterized in that it is designed as part of a paper web (2) on a roll or as a single sheet of a stack (4) in a container (5) of the device housing. 309844/0972 eerseite