KR101604646B1 - Automatic transmission tester - Google Patents

Automatic transmission tester Download PDF

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Publication number
KR101604646B1
KR101604646B1 KR1020150129530A KR20150129530A KR101604646B1 KR 101604646 B1 KR101604646 B1 KR 101604646B1 KR 1020150129530 A KR1020150129530 A KR 1020150129530A KR 20150129530 A KR20150129530 A KR 20150129530A KR 101604646 B1 KR101604646 B1 KR 101604646B1
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KR
South Korea
Prior art keywords
transmission
sensor
mission
air
input
Prior art date
Application number
KR1020150129530A
Other languages
Korean (ko)
Inventor
김기수
Original Assignee
주식회사 유로티엠오토파트
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Priority to KR1020150129530A priority Critical patent/KR101604646B1/en
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Publication of KR101604646B1 publication Critical patent/KR101604646B1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/02—Gearings; Transmission mechanisms
    • G01M13/021—Gearings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/005—Testing of electric installations on transport means
    • G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/005—Testing of electric installations on transport means
    • G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
    • G01R31/007—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks using microprocessors or computers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H2061/0068—Method or means for testing of transmission controls or parts thereof
    • F16H2061/0071—Robots or simulators for testing control functions in automatic transmission

Abstract

The present invention relates to an automatic transmission tester, which is used to test an automatic transmission used to a large truck, and a test method. The automatic transmission tester remarkably reduces maintenance costs and time by enabling a user to accurately recognize a breakdown part before repairing a transmission. The automatic transmission tester comprises: a transmission mounting part which is installed in an automatic transmission; and a controller which is electrically connected to the transmission mounting part. A circuit board electrically connected to the automatic transmission is installed on the inner side of a cover installed in the automatic transmission. A mounting part sensor connector, a mounting part block connector, and an air supply pipe for supplying compressed air, which are electrically connected to the circuit board are formed on the outer side of the transmission mounting part.

Description

Automatic transmission tester

The present invention relates to an auto-transmission tester used for testing an auto transmission applied to a heavy truck, and more particularly, to an automatic transmission tester used for testing a large- , It is possible to greatly reduce the repair cost and the repair period by making it possible to recognize the fault area accurately and to provide the auto transmission test which can eliminate the electric damage concern of the controller that may occur during the inspection process .

Auto-transmission means that the clutch is automatically removed to obtain the optimum torque conversion according to the running speed of the car and the load (load). Therefore, the clutch and gear shifting operations can be performed automatically by the machine instead of the driver depending on the operating conditions.

The auto-transmission, especially installed on heavy trucks, provides a complex configuration that can be controlled using pneumatics with multiple sensors.

If an abnormality occurs in the auto transmission, there is no way to identify the cause of the abnormality in the prior art, so the cause of the failure is checked through a method of disassembling the auto transmission in the normal state in the vehicle.

This method is unneccessary because it requires a lot of unnecessary work, and therefore it takes a long time to work.

Meanwhile, some apparatuses capable of shearing an automatic transmission have been proposed. Typical examples thereof include a diagnostic apparatus for an automatic transmission of Korean Patent Application Publication No. 10-2009-0016502 (Mar. 23, 2009), 10-1997-0046539 (July 26, 1997) have been proposed. However, most of them are small-sized vehicles, which inspect the solenoid operation. Therefore, they are insufficient to effectively perform the static check of a cargo-car auto-transmission.

KR 1020090016502E 2009.02.13. KR 1019970046539 A Jul. 27, 1997.

Therefore, the present inventor has researched all the problems related to the above-mentioned conventional auto transmission inspection. In the present invention, before repairing a transmission mounted on a vehicle or in a separated state, the sensor system and the pneumatic system , The test controller is mounted on the auto transmission so that the fault area can be accurately recognized and the auto transmission can be operated by a simple method of operating the switches provided in the tester main body while electrically connecting the test circuit board and the tester main body. The test board can be installed separately in the transmission. This makes it possible to reduce the risk of electrical damage to the controller caused by the inspection process. Guarantee The present invention has been accomplished on the basis of the technical object of the present invention by providing an auto-transmission tester.

According to an aspect of the present invention, there is provided an automatic transmission tester comprising: a first mission transmission unit mounted on an auto transmission; and a controller electrically connected to a mission reception unit;

A mounting portion sensor connector electrically connected to the circuit board, a mount block connect and an air supply pipe for supplying compressed air to the outside are mounted on the inside of the cover mounted on the auto transmission, ;

The controller is driven by an AC or DC power source. The controller includes a controller sensor connector for connecting a sensor connector of the mounting portion of the mission mounting portion and a cable connected to the mounting block connector, a pneumatic input portion for supplying air supplied from the controller block connector and the air compressor to the mission mounting portion A button input unit for testing a sensor built in the auto transmission so as to operate in conjunction with a built-in micro control unit (MCU), a switch input unit for testing the operation of the solenoid with built-in auto transmission, And a display window for displaying an image.

Second, the controller includes a micro-control unit (MCU) as a back surface of the mounting plate, and a mission sensor that is electrically connected to the micro-control unit (MCU) and configured as an interface circuit diagram for sensing values provided from sensors incorporating auto- And an air solenoid output control circuit unit for controlling the input air to be controlled by a micro control unit (MCU). The air conditioner control unit includes: an input I / F circuit unit; a mission solenoid output circuit unit configured to control solenoids corresponding to the auto- And a pneumatic sensor unit for displaying a pressure value on the LCD and notifying the user of a pneumatic input pressure state by sounding a warning message and a buzzer sound when the set value is exceeded, On the front of the mounting plate, a micro control unit (MCU) A power source for supplying AC or DC power to be connected in a miraculous manner, a display window for measuring the sensor values and displaying the reference value and the measured value, and a sensor electrically connected to the mission sensor input I / A switch input unit including a button input unit for manual control, a switch for driving a solenoid which is electrically connected to the mission solenoid output circuit unit and a solenoid with built-in auto transmission, a pneumatic input unit for receiving a pneumatic pressure from the outside, Air pressure gauge that displays the pressure value of the air supplied to the mission, and software that downloads and monitors the operation status of the system to an external device. To include one communication port, And that the feature.

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The auto-transmission tester provided by the present invention has the following effects.

- Tests can be carried out with auto-transmission attached to the vehicle.

- There is no problem that the controller installed on the vehicle is electrically damaged by mounting the test circuit board separately in the transmission.

- It is possible to shorten the working time because the abnormal part is checked before disassembling the transmission.

- Since there is no unnecessary work, the work flow can be reduced and the labor cost can be reduced accordingly.

1 is a plan view showing a schematic outline of an auto-transmission tester provided in the present invention;
2 is a block diagram showing a controller configuration of an auto-transmission tester provided in the present invention.
3 is a flowchart of an auto sensor test using a button input unit of the auto-transmission tester according to the present invention.
4 is a flowchart of a manual sensor test using the button input unit of the auto-transmission tester according to the present invention.
5 is a flowchart of a mission block test through a switch input unit of the auto-
6 is a flowchart of a range test through a switch input unit of the auto-
FIG. 7 is a flow chart of a split test through a switch input section of the auto-
8 is a flow chart of a gate test (gata test) through a switch input part of the auto-
9 is a flow chart of an air input check through a switch input unit of the auto-

Hereinafter, preferred embodiments of the auto-transmission tester provided in the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a plan view showing a schematic outline of an auto-transmission tester provided in the present invention, and FIG. 2 is a block diagram showing a controller configuration of an auto-transmission tester provided in the present invention.

The auto-transmission tester 1 according to the present invention includes a mission mounting portion 10 mounted on an auto transmission 100 and a controller 20 electrically connected to the mission mounting portion 10, 1 which are provided with a mounting portion sensor connector 11 and a mounting portion block connector 12 and a controller sensor connector 21 and a controller block connector 22 are provided on the mission mounting portion 10 and the controller 20, 40) 50 so as to be electrically controlled.

The mission mounting portion 10 is provided with a circuit board 14 electrically connected to the automotive transmission 100 inside the cover 13 mounted on the automotive transmission 100 and electrically connected to the circuit board 14 electrically A mounting portion sensor connector 11 to be connected, a mounting block connector 12 and a supply porter 15 for supplying compressed air are provided.

The controller 20 may be provided in a box or the like and a micro control unit (MCU) 24 is provided with a mission sensor input I / F circuit portion 25, a mission solenoid output circuit portion The air solenoid output control circuit portion 27, and the air pressure sensor portion 28 are electrically connected to each other.

A power supply unit 29 for supplying AC or DC power to the front surface of the mounting plate 23, a display window 30, a button input unit 31, a switch input unit 32, a pneumatic input unit 33, A pneumatic output 34, a pressure gauge 35, a communication port 36, a controller sensor connector 21 and a controller block connector 22 are arranged.

Hereinafter, the coupling relationship and operation of the respective components of the controller 20 will be described.

The power supply unit 29 is provided at the lower left of the mounting plate 23 and is capable of receiving both the AC input and the DC input provided by the vehicle, and is a device for supplying power to the micro control unit 24 and the respective components.

The microcontroller unit (MCU) 24 is an apparatus including an input unit, an operation unit, a control unit, and an AD conversion unit, though not specifically shown.

That is, the controller 30 reads the sensor value of the auto transmission 100 by receiving the input from the button input unit 31 or the switch input unit 32 and displays the values on the display window 30 or the solenoid of the auto transmission 100 The air solenoid is turned off and the LED is turned on to protect the tester from the current and heat, and the protection mode When the switch to operate the mission solenoid is operated, the air valve is automatically turned on to supply the air to the mission. At this time, the LED performs the function of lighting.

The display window 30 is disposed at the upper center of the mounting plate 23 and measures the sensor values to display the reference value and the measured value.

The button input unit 31 is disposed on the right side in the center of the mounting plate 23 and comprises a button for automatically starting a sensor installed in the auto transmission 100 and manually inputting each button .

When the automatic button is pressed, the micro control unit 24 senses the input signal and sequentially reads the sensor value for the sensors of the mission. This value is calculated by the arithmetic unit of the micro-control unit 24, converted into a resistance value, and sequentially displayed on the display window 30. At this time, the reference resistance value and the measured resistance value are displayed together with the display window 30 to determine whether the sensor is abnormal. At this time, the LED of the automatic button flashes and automatically informs that the sensor value is being read and being processed.

Each of the six sensor buttons provided in the button input unit 31 calculates the values of the respective sensors by operating the microcontroller 24, converts the values into resistance values, and displays them on the display window Display. By displaying the reference resistance value and the measured resistance value on the LCD, it is possible to judge the abnormality of the sensor.

Preferred examples of the sensor buttons include, from the right side, an auto test sensor, a high-low sensor, a split sensor, a forward sensor, a gate sensor, A speed sensor, and a temperature sensor.

The mission sensor input I / F circuit unit 25 is designed so that the microcontroller unit 24 can recognize the value from the sensor built in the auto transmission 100 and recognize the interface circuit diagram.

The switch input unit 32 is disposed on the right side of the lower center of the mounting plate 23 and receives a switch input to drive the solenoid built in the auto transmission 100 so that the micro control unit 24 can recognize the switch input. It is designed. In addition, it is composed of the 2nd and 3rd stage switches according to the solenoid driving characteristics built in the auto transmission (100).

In addition, the switch input unit 32 may include, from the right side, an air valve button, a main block test, a renge test, a split test, a gate test, a forward test, A count brake test is arranged.

The mission solenoid output circuit unit 26 is constituted by an output control circuit for controlling the solenoids built in the corresponding auto transmission 100 after receiving the switch input.

The pneumatic input portion 33 is located at the upper left of the mounting plate 23 and receives a pneumatic pressure from the air compressor. The pneumatic input portion 33 is a one-touch fitting for the convenience of operation.

The air solenoid output control circuit unit 27 is a control circuit for controlling the input air by the micro control unit 24 and is located on the back surface of the mounting plate 23. [

The pneumatic output section 34 is disposed at the left upper end of the mounting plate 23. When the air valve button is turned on, the input air is supplied through the solenoid valve as a mission.

The pressure gauge 35 indicates the pressure value of air supplied to the auto transmission 100 through the pneumatic output section 34.

The communication port 36 is an interface for downloading the software and for monitoring the operation state of the system by transmitting it to a computer such as an external device.

The air pressure sensor unit 28 checks the pressure of air supplied from an air compressor (not shown) and displays a pressure value on the LCD without turning on the built-in air valve when a set value is exceeded, Although not separately shown in the invention, a warning message and a buzzer sound to alert the user of the pneumatic input pressure condition.

The auto-transmission tester 1 of the present invention having the above-described configuration is configured to be easily portable, and an auto-transmission 100 test method can be provided by the following operation.

In order to use the present invention, the automatic transmission 100 is first assembled with the mission mounting portion 10, and the controller 20 and the mounting portion sensor connector 11, the controller sensor connector 21, Connecting the cable 40 and 50 to the mounting block connect 12 and the controller block connector 22 and connecting the air compressor to the pneumatic input 33 of the controller 20, It is necessary to connect the supply porter 15 of the mounting portion 10 and the air supply pipe so that air pressure can be provided and also AC or DC power supply to the power supply portion 29 is required.

3 is an auto sensor test flow chart using a button input unit of the auto-transmission tester of the present invention.

After performing the above-described test preparation process, the power switch is turned on and the Auto test button of the button input unit 31 is pressed. At this time, the LED built in the auto test button is blinked. In the mission sensor input I / F circuit unit 25, the value provided from the sensor of the auto transmission 100 is transmitted to the micro control unit 24, The sensor auto test is terminated by the method of outputting it to the display window 30, and the test is performed in the order that the LED built in the auto test button is turned off.

4 is a manual sensor test flow chart using a button input unit of the auto-transmission tester according to the present invention.

In the passive sensor test using the present invention, the power switch is turned on after the above-described test preparation process is performed, and the sensor button to be measured is pressed.

At this time, the mission sensor input I / F circuit unit 25 transfers the value provided from the sensor of the selected auto transmission 100 to the known micro-control unit 24, and the passive sensor test is ended.

5 is a flow chart of a mission block test through a switch input unit of the auto-transmission tester of the present invention.

This turns on the power switch after performing the test preparation process.

Next, when the air valve button of the switch input unit 32 is turned on, the built-in air valve LED is turned on and the main block test switch is turned on with the air valve turned on.

At this time, if there is no abnormality in the operation state of the main block, another test is performed. If an abnormality occurs, the microcomputer 24 notifies the display window 30 of abnormality.

6 to 8 are flow charts of a range test, a split test, and a gate test (gata test) through the switch input unit 32 of the auto-transmission tester 1 of the present invention.

This turns on the power switch after performing the test preparation process.

Next, when the air valve button of the switch input unit 32 is turned on, the built-in air valve LED is turned on and the main block test switch is turned on with the air valve turned on.

If there is no abnormality in the operation state of the main block, the main solenoid operation state is first checked as shown in FIG. 6 as an ongoing test. If there is an abnormality, the microcomputer 24 notifies the display window 30 of abnormality , And when it is normal, air is supplied to the range.

If there is an error in the range operation, the microcomputer 24 notifies the display window 30 of abnormality, and in the normal state, another test is performed.

As shown in FIG. 7, the split test checks the operation state of the main solenoid. If there is an abnormality, the micro control unit 24 notifies the display window 30 of abnormality.

If there is an abnormality in the split operation, the micro control unit 24 notifies the display window 30 of the abnormality, and if the split operation is normal, another test is performed.

As shown in FIG. 8, the gate test checks the operation state of the main solenoid. When there is an abnormality, the micro control unit 24 notifies the display window 30 of abnormality.

If there is an abnormality in the gate operation, the microcomputer 24 notifies the display window 30 of abnormality, and in the normal state, another test is performed.

9 is a flow chart for checking air input through a switch input unit of the auto-transmission tester of the present invention.

This is achieved by first assembling the auto transmission mission mount 10 and connecting the controller 20 and the mount sensor connector 11 provided on the mission mount 10 with the controller sensor connect 21 and mount block connect 12, Connecting the cables 40 and 50 to the connector 22 and connecting the air compressor to the pneumatic input 33 of the controller 20 and connecting the pneumatic output 34 to the supply porter 15 And an air supply pipe are connected to each other so that air pressure can be provided, and a preparation process for supplying AC or DC power to the power supply unit 29 is performed.

When the air valve button is turned on, the microcontroller (24) (MCU) checks the air valve button input and confirms the pressure sensor value. The micro control unit 24 does not turn on the air valve when the pressure value read through the pressure sensor is AD-converted and exceeds the set value, and outputs the checked pressure value and the warning message to the input window 30 ), And informs the user with a buzzer sound. When the pressure is below the set value, the air valve is turned on to supply the air to the mission. This control method is a control algorithm for protecting the auto transmission 100 in addition to the auto-transmission tester 1 provided by the present invention from the high pressure input from the air compression.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. Therefore, the scope of protection of the present invention should not be limited to the described embodiment, but should be determined by the equivalents as well as the claims that follow.

1: Auto-transmission tester 10: Mission mount
11: Mounting section sensor connector 12: Mounting block connector
13: cover 14: circuit board
15: supply porter 20: controller
21: Controller sensor connector 22: Controller block connector
23: Mounting plate 24: Micro control unit (MCU)
25: Mission sensor input I / F circuit unit 26: Mission solenoid output circuit unit
27: air solenoid output control circuit unit 28:
29: Power supply unit 30: Display window
31: Button input unit 32: Switch input unit
33: Pneumatic input part 34: Pneumatic output part
35: pressure gauge 36: communication port
40,50: Cable 100: Auto transmission

Claims (4)

The automotive tester (1) is configured to include a mission mounting portion (10) mounted on an auto transmission (100) and a controller (20) electrically connected to a mission mounting portion (10)
The mission mounting portion 10 is provided with a circuit board 14 electrically connected to the automotive transmission 100 inside the cover 13 mounted on the automotive transmission 100 and electrically connected to the circuit board 14 electrically A mounting portion sensor connector (11) to be connected, a mounting block connector (12), and an air supply pipe for supplying compressed air;
The controller 20 is driven by an AC or DC power source and includes a controller sensor connector 21 for connecting the sensor connector 11 of the mounting part 10 of the mission and the cables 40 and 50 connected to the mounting block connector 12 And a pneumatic pressure output section 34 for supplying the air supplied from the air compressor to the controller block connector 22 and the air pressure input section 33 and the micro control unit MCU A switch input unit 32 for testing the operation of the solenoid built in the auto transmission 100 and a display unit 32 for displaying the inspection value, And a display window (30) for displaying an image;
The controller 20 is connected to a micro control unit (MCU) 24 and a micro control unit (MCU) 24 as a back surface of the mounting plate 23 and is provided from a sensor built in the auto transmission 100 A mission sensor input I / F circuit part 25 constituting an interface circuit diagram for sensing the sensing value of the sensor input signal, and a mission solenoid output part 25 for controlling the solenoid built in the corresponding auto transmission 100 after receiving the switch input An air solenoid output control circuit 27 for controlling the input air to be controlled by the micro control unit (MCU) 24, and an air solenoid output control circuit 27 for controlling the air valve Pressure sensor unit 28 for displaying a pressure value on the LCD and notifying the user of the pneumatic input pressure state by sounding a warning message and a buzzer sound, A power supply unit 29 for supplying AC or DC power to be electrically connected to the micro control unit (MCU) 24, a display window 30 for measuring sensor values and displaying reference values and measured values, A button input unit 31 electrically connected to the input I / F circuit unit 25 for automatically or manually controlling a sensor built in the auto transmission 100, and an automatic transmission, which is electrically connected to the mission solenoid output circuit unit 26, A switch input section 32 composed of a switch for driving a solenoid built in the engine 100, a pneumatic input section 33 provided with a pneumatic pressure from the outside, A pneumatic pressure gauge 35 for indicating the pressure value of the air supplied to the mission, and software And a communication port (36) for monitoring and transferring the status of the external device to an external device. delete delete delete
KR1020150129530A 2015-09-14 2015-09-14 Automatic transmission tester KR101604646B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101928843B1 (en) * 2017-08-10 2018-12-13 이상일 Solenoid valve test apparatus for automotive automatic transmission
CN114489006A (en) * 2022-01-12 2022-05-13 中国重汽集团济南动力有限公司 TCU offline detection system for new energy commercial vehicle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967495A (en) 1975-03-03 1976-07-06 Caterpillar Tractor Co. Instrument for testing a pneumatic control system of a vehicle transmission
KR200291047Y1 (en) * 2002-07-12 2002-10-04 주식회사 태영에스.이.엠 Auto Transaxle Tester
JP2005181207A (en) 2003-12-22 2005-07-07 Honda Motor Co Ltd Inspection device and inspection method for mission

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967495A (en) 1975-03-03 1976-07-06 Caterpillar Tractor Co. Instrument for testing a pneumatic control system of a vehicle transmission
KR200291047Y1 (en) * 2002-07-12 2002-10-04 주식회사 태영에스.이.엠 Auto Transaxle Tester
JP2005181207A (en) 2003-12-22 2005-07-07 Honda Motor Co Ltd Inspection device and inspection method for mission

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101928843B1 (en) * 2017-08-10 2018-12-13 이상일 Solenoid valve test apparatus for automotive automatic transmission
CN114489006A (en) * 2022-01-12 2022-05-13 中国重汽集团济南动力有限公司 TCU offline detection system for new energy commercial vehicle
CN114489006B (en) * 2022-01-12 2024-03-15 中国重汽集团济南动力有限公司 TCU off-line detection system for new energy commercial vehicle

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