KR20070002255A - Electric trouble simulator - Google Patents

Abstract

A wireless electric trouble simulator for a vehicle is provided to generate power for itself and earth regardless of an operation of a vehicle ignition key, and properly manage various convenience devices while occurring a system change for electronic controller units. In a wireless electric trouble simulator for a vehicle, a portable transmitter(100) displays a wireless trouble test signal to test a resistor and open/short conditions of a test object in the vehicle. A portable receiver(200) tests a resistor and open/short conditions of a test object by receiving the wireless trouble test signal. A multi connector(300) connects the receiver to the test object, to test the resistor, the open/short conditions of the test object by the receiver.

Description

Wireless trouble simulator for vehicle {Electric Trouble Simulator}

1 is an overall configuration diagram of a wireless trouble simulation apparatus for a vehicle according to an embodiment of the present invention.

2 is a circuit conceptual diagram of a wireless trouble simulation apparatus for a vehicle according to an embodiment of the present invention.

Figure 3 is a plan view showing the structure of a transmitter in one embodiment of the present invention.

4 is a schematic block circuit diagram of a transmitter in one embodiment of the present invention;

5 is a plan view showing the structure of a receiver according to an embodiment of the present invention.

6 is a schematic block circuit diagram of a receiver in one embodiment of the present invention;

7 is a structural diagram of a multi-connector according to an embodiment of the present invention.

8 is a connection diagram of a trouble simulation for injector fuel control according to an embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

11; Switch 12; lamp

13; Wireless transmitter 21; Wireless receiver

22; Toggle switch 23; Micom

24; An output section 25; Test point

26; Variable resistance adjusting unit 27; Power supply

28; Test wire 30; case

40; Cover 41; Lock

51,52; First and second connector portions 100; transmitter

200; Receiver 300; Multi connector

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless trouble simulation apparatus for a vehicle that enables to reproduce fault conditions such as disconnection and short circuit for various electronic control devices in a vehicle.

As is well known, the vehicle is equipped with various convenience devices for enhancing the driver's driving convenience, and these convenience devices are controlled by an electronic control unit (ECU), and the electronic control unit and various convenience devices are provided. A separate line keeps the circuit connected.

However, in the related art, the electronic control unit and various convenient devices do not check at all when a disconnection or short circuit occurs. Therefore, the control of the various convenient devices by the electronic control unit becomes impossible, resulting in a significant risk in driving a vehicle. There are disadvantages.

In other words, disconnection or short-circuit status for the test subject could not be visually confirmed, and it was possible only at the service center where test equipment was provided.

However, since such test equipment is expensive, it is extremely rare for all service centers to have test equipment. Therefore, the test equipment is conventionally limited to a place where the A / S of the disconnection or short circuit to the test target is extremely limited. Discomfort was made.

In addition, the test equipment as described above uses a fixed connector instead of a multi-connector as well as an electronic control unit, and various convenient devices, and changes the system of the electronic control unit and various convenient devices as well as the vehicle model. In this case, it was not able to respond appropriately and did not check the disconnection or short circuit condition properly.

Accordingly, the present invention has been made to solve the above-mentioned conventional problems, the present invention is portable, so that any failure state such as disconnection and short circuit for various electronic control devices in the vehicle can be reproduced at any time regardless of the place. The main purpose is to provide a wireless trouble simulation apparatus for a vehicle that is.

In addition, another object of the present invention is to provide a wireless trouble simulation apparatus for a vehicle capable of supplying and powering itself so that a separate power supply or earth is not required regardless of the operation of an ignition key of the vehicle.

In another aspect, the present invention is to provide a wireless trouble simulation device for a vehicle to properly respond to system changes to the electronic control unit and various convenient devices as well as the vehicle model through a multi-connector.

The wireless trouble simulation apparatus for a vehicle of the present invention for achieving the above object,

A portable transmitter for outputting a wireless trouble test signal for testing a resistance value or a disconnection or short circuit condition to a test target in the vehicle;

A portable receiver which receives the wireless trouble test signal and tests a resistance value or a disconnection or short circuit condition of the test object; And,

A multi-connector which connects the receiver and a test object so that a resistance value or a disconnection or short circuit condition can be tested by the receiver; It is characterized by the configuration.

According to another aspect, the transmitter,

A plurality of switches switched on / off to output a radio trouble test signal for a test object;

A lamp corresponding to the switch, the lamp being lit when a wireless trouble test signal is output by the on-switching of the switch; And,

A wireless transmitter for wirelessly transmitting a wireless test signal selectively output from on-switching of the switch; Characterized in that comprises a configuration.

According to yet another aspect, the receiver,

A radio receiver for receiving a radio trouble signal transmitted by the radio transmitter;

A toggle switch for selecting a resistance value or a test type of open or short for the test object;

When selecting a test type of the toggle switch, the microcomputer for outputting a resistance value corresponding to the trouble test signal of the wireless signal received through the wireless receiver or a test control signal of the disconnection or short circuit;

An output unit for selectively outputting a test control signal of the microcomputer; And,

A plurality of test point units provided in a number corresponding to a test object and outputting and checking a control signal of a test selectively output through the output unit to the test object through a multi connector; Characterized in that comprises a configuration.

According to yet another aspect, the receiver,

A plurality of variable resistance adjusting units for varying and outputting a test value of the selected resistance value when the resistance value of the test target is selected by the toggle switch; Characterized in that further comprises a.

According to yet another aspect, the receiver,

A test wire for selectively connecting the output unit and a test point unit; Characterized in that further comprises a.

According to yet another aspect, the receiver,

Regardless of the operation of the ignition key (Ignition Key), it is characterized in that it further comprises a power supply capable of supplying its own power and earth.

According to yet another aspect, the power supply is characterized in that the battery capable of charging and discharging.

According to yet another aspect, the receiver,

A jack connection portion to which a power supply cigar jack connected to the cigar socket of the vehicle is connected; Characterized in that further comprises a.

According to yet another aspect, the receiver,

It is configured to be protected by the case and the cover, the cover is characterized in that the opening is limited by the locking portion to prevent any operation on the various button portion in the receiver.

According to yet another aspect, the multi-connector,

It is characterized by consisting of a plurality of first connector portion which is connected to a plurality of test objects at the same time, and one second connector portion connected to the receiver.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

1 is an overall configuration diagram of a wireless trouble simulation apparatus for a vehicle according to an embodiment of the present invention, Figure 2 is a circuit diagram of a wireless trouble simulation apparatus for a vehicle according to an embodiment of the present invention, Figure 3 is an embodiment of the present invention For example, a plan view showing the structure of a transmitter and FIG. 4 is a schematic block circuit diagram of a transmitter according to an embodiment of the present invention.

5 is a plan view showing the structure of a receiver according to an embodiment of the present invention, FIG. 6 is a schematic block circuit diagram of a receiver according to an embodiment of the present invention, and FIG. 7 is a diagram of a multi-connector according to an embodiment of the present invention. 8 is a structural diagram of a connected state of a trouble simulation for injector fuel control according to an embodiment of the present invention.

Referring to FIGS. 1 and 2, the apparatus for simulating a wireless problem for a vehicle according to an embodiment of the present invention includes a transmitter 100, a receiver 200, and a multi connector 300.

3 and 4, the transmitter 100 is a portable device that outputs a wireless trouble test signal for testing a resistance value or a disconnection or short circuit condition for a test target in a vehicle. In this case, it can be used within the range of 50 to 80 m, and includes a switch 11, a lamp 12, and a wireless transmitter 13.

The switch 11 is a predetermined number, which is configured to output a radio trouble test signal from switching on.

The lamp 12 is a number corresponding to the switch 11, and is configured to be turned on to check the output state when the wireless trouble test signal is output by the on switching of the switch.

The radio transmitter 13 is configured to wirelessly transmit a radio trouble test signal selectively output from the on switching of the switch 11 to the receiver 200.

5 and 6, the receiver 200 receives a wireless trouble test signal transmitted through the wireless transmitter 13 to test a resistance value or a disconnection or short circuit state of a test target. 30) and the cover 40, the wireless receiving unit 21, the toggle switch 22, the microcomputer 23, the output unit 24, the test point unit 25, variable resistance adjustment unit 26, power supply The supply part 27 and the test wire 28 are included.

The wireless receiver 21 is configured to receive a wireless trouble signal transmitted by the wireless transmitter 13 and then transfer it to the microcomputer 23.

The toggle switch 22 is configured to select a resistance value for the test object or a test type of disconnection or short circuit, and the selection signal is transmitted to the microcomputer 23.

When the test type of the toggle switch 22 is selected, the microcomputer 23 outputs a resistance value or a test control signal in a disconnected or short circuit state corresponding to a wireless trouble test signal received through the wireless receiver 21. The program is configured to be mounted.

The output unit 24 selectively outputs a test control signal of the microcomputer 23 to the test point unit 25, which is connected to the test point unit 25 through a test wire 28. do.

The test point unit 25 is connected to the multi-connector 300, injector resistance, ignition coil resistance, primary waveform, injector waveform, air flow sensor, intake temperature, TDC, crank angle, automatic transmission solenoid, It has a check point that can check the operation status of all sensors including pulse generator, VSS, etc., and the checkpoint is composed of approximately 180 points, but the number of checkpoints is changed according to the change of vehicle type and system. It may increase or decrease.

The variable resistance adjusting unit 26 is composed of a plurality of rotary buttons that can vary the test value of the selected resistance value when the resistance value of the test object is selected by the toggle switch 22.

The power supply unit 27 is configured to enable its own power supply and earth irrespective of the operation of the ignition key, and for this purpose, the power supply unit 27 is preferably configured as a battery capable of charging and discharging, but is not necessarily limited thereto.

Here, although not shown in the drawing, the receiver 200 is further provided with a jack connection to which the power supply cigar jack is connected to the cigar socket of the vehicle so that the test can be made by receiving the battery power of the vehicle.

Referring to FIG. 1, in the case 30 and the cover 40 that protect the receiver 200, the cover 40 may prevent any manipulation of various buttons in the receiver 200. A locking portion 41 is provided, and the locking portion 41 is designed and configured as a structure to be opened by a key.

Referring to FIG. 7, the multi connector 300 includes one second connector 52 connected to the test point unit 25 of the receiver 200 and a plurality of agents to which several test objects are simultaneously connected. It has a "T" shape composed of one connector portion 51.

Referring to Figures 1 to 8 attached to the operation of an embodiment of the present invention configured as described above are as follows.

First, the second connector portion 52 of the multi-connector 300 is connected to the test point portion 25 of the receiver 200 which is provided as a portable device, and as shown in FIG. 8, to the test target (eg, the injector fuel). The first connector 51 of the multi connector 300 is connected.

Then, the test operator selects whether to test the simulation type, that is, the resistance value of the test target, or the disconnection or short circuit state through the toggle switch 22 provided in the receiver 200, and outputs according to the above type. The unit 24 and the test point unit 25 are connected to the test wire 28.

Subsequently, the test operator switches on one of the switches 11 of the plurality of switches 11 included in the portable transmitter 100 to troubleshoot the test signal, that is, the resistance value of the test object or disconnection or short circuit. Generates a trouble test signal for checking the status of the sensor.

Then, the lamp 12 corresponding to the on-switching of the switch 11 is turned on at the same time, and the test operator recognizes that the trouble test signal is generated from the lighting of the lamp 12.

Meanwhile, the trouble test signal generated as described above is wirelessly transmitted to the receiver 200 through the wireless transmitter 13.

The wireless receiver 21 in the receiver 200 transmits the wireless trouble test signal to the microcomputer 23, so that the microcomputer 23 is a test target from the selected simulation type and the received wireless trouble test signal. After generating a test control signal for the output via the output unit 24 to the test point unit 25.

Then, the test point unit 25 is to output the test control signal to the test target through the multi connector 300,

The test object is operated in accordance with an input test control signal, and the operation state thereof is checked by the test point unit 25 to check a failure state of the test object, that is, disconnection or short circuit. will be.

In this case, when the test operator selects the simulation type of the resistance value through the toggle switch 22, the resistance value is changed through the rotary button provided in the receiver 200, that is, the variable resistance adjustment unit 26. According to the variable resistance value, it is possible to check whether the resistance value of the test target is normal or abnormal.

In addition, in one embodiment of the present invention, after the receiver 200 is protected by the case 30 and the cover 40, in the state in which the cover 40 is closed in the case 30, the cover ( 40, the locking part 41 is installed,

A third party other than the test runner is prevented from randomly manipulating various buttons provided in the receiver 200, which is to increase the reliability of the test on the test target.

As described above, according to the present invention, by configuring a wireless simulation device including a portable transmitter and a receiver, failure states such as disconnection and short circuits to various electronic control devices in the vehicle can be reproduced at any time, Regardless of the operation of the ignition key of the vehicle, it is possible to supply its own power supply and earth so that separate power supply or earth is not necessary. If a system change occurs, the system can respond appropriately.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

Claims (10)

A portable transmitter for outputting a wireless trouble test signal for testing a resistance value or a disconnection or short circuit condition to a test target in the vehicle; A portable receiver which receives the wireless trouble test signal and tests a resistance value or a disconnection or short circuit condition of the test object; And, A multi-connector which connects the receiver and a test object so that a resistance value or a disconnection or short circuit condition can be tested by the receiver; Wireless trouble simulation apparatus for a vehicle, characterized in that the configuration. The method of claim 1, wherein the transmitter, A plurality of switches switched on / off to output a radio trouble test signal for a test object; A lamp corresponding to the switch, the lamp being lit when a wireless trouble test signal is output by the on-switching of the switch; And, A wireless transmitter for wirelessly transmitting a wireless test signal selectively output from on-switching of the switch; Wireless trouble simulation apparatus for a vehicle, comprising the configuration. The method of claim 1, wherein the receiver, A radio receiver for receiving a radio trouble signal transmitted by the radio transmitter; A toggle switch for selecting a resistance type or a test type of open or short for the test object; When selecting a test type of the toggle switch, the microcomputer for outputting a resistance value corresponding to the trouble test signal of the wireless signal received through the wireless receiver or a test control signal of the disconnection or short circuit; An output unit for selectively outputting a test control signal of the microcomputer; And, A plurality of test point units provided in a number corresponding to a test object and outputting and checking a control signal of a test selectively output through the output unit to the test object through a multi connector; Wireless trouble simulation apparatus for a vehicle, comprising the configuration. The method of claim 3, wherein the receiver, A plurality of variable resistance adjusting units for varying and outputting a test value of the selected resistance value when the resistance value of the test target is selected by the toggle switch; Wireless trouble simulation device for a vehicle, characterized in that it further comprises. The method of claim 3, wherein the receiver, A test wire for selectively connecting the output unit and a test point unit; Wireless trouble simulation apparatus for a vehicle further comprising a. The method of claim 3, wherein the receiver, Regardless of the operation of the ignition key (Ignition Key), the wireless power supply simulation device for a vehicle characterized in that it further comprises a power supply capable of supplying and grounding. The wireless trouble simulation apparatus for a vehicle according to claim 6, wherein the power supply unit is a battery capable of charging and discharging. The method of claim 3, wherein the receiver, A jack connection portion to which a power supply cigar jack connected to the cigar socket of the vehicle is connected; Wireless trouble simulation apparatus for a vehicle further comprising a. The method of claim 3, wherein the receiver, And a cover configured to be protected by a case and a cover, wherein the cover is configured such that its opening is limited by a locking part to prevent any manipulation of various button parts in the receiver. The method of claim 1, wherein the multi-connector, An apparatus for simulating a wireless trouble of a vehicle, comprising a plurality of first connector parts connected to a plurality of test objects at the same time, and one second connector part connected to a receiver.

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