KR20090064727A - Test device of electron wave - Google Patents

Test device of electron wave Download PDF

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Publication number
KR20090064727A
KR20090064727A KR1020070132034A KR20070132034A KR20090064727A KR 20090064727 A KR20090064727 A KR 20090064727A KR 1020070132034 A KR1020070132034 A KR 1020070132034A KR 20070132034 A KR20070132034 A KR 20070132034A KR 20090064727 A KR20090064727 A KR 20090064727A
Authority
KR
South Korea
Prior art keywords
electromagnetic wave
optical converter
tester
testing device
product
Prior art date
Application number
KR1020070132034A
Other languages
Korean (ko)
Inventor
이수동
Original Assignee
현대모비스 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 현대모비스 주식회사 filed Critical 현대모비스 주식회사
Priority to KR1020070132034A priority Critical patent/KR20090064727A/en
Publication of KR20090064727A publication Critical patent/KR20090064727A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/176—Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08—Measuring electromagnetic field characteristics
    • G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
    • G01R29/0814—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
    • G01R29/0821—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning rooms and test sites therefor, e.g. anechoic chambers, open field sites or TEM cells
    • 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
    • G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles

Abstract

An electromagnetic wave testing device is provided to easily perform an EMS(Electromagnetic Susceptibility Test) of an ABS(Anti-lock Brake System) by having the same traveling state as various road conditions with a low cost. An electromagnetic wave testing device includes a product, a testing device, a shield room, and a noise antenna. The product(10) is an object to be tested. The testing device(20) is connected to the product, and receives signals. An electromagnetic wave inflow is blocked inside the testing device. The shield room(30) blocks the electromagnetic wave by covering the product and the testing device. The noise antenna is built in the shield room, and propagates a noise to the product and the testing device.

Description

Electromagnetic Wave Tester {TEST DEVICE OF ELECTRON WAVE}

The present invention relates to a test apparatus, and more particularly, to an electromagnetic test apparatus for suppressing the generation of electromagnetic waves in a product other than the inspection object, thereby enabling accurate inspection of the inspection object.

In general, the anti-lock brake system (hereinafter referred to as ABS), which is installed to improve the safety of the vehicle, is a device that prevents the vehicle from rotating and losing its orientation by preventing the tire from locking when the vehicle breaks on a slippery road. It is especially useful on rain or ice.

On the other hand, the vehicle is exposed to various unspecified electromagnetic waves depending on the driving environment, the ABS safety device of the vehicle should be manufactured to ensure normal operation even under such a radio wave environment, accordingly, ABS exposed to strong electromagnetic waves is normal ABS's Electromagnetic Susceptibility Test (EMS), which tests whether it works, has emerged as an essential requirement.

In order to perform the EMS test of the ABS as described above, the electromagnetic wave is radiated while the vehicle is actually driven on an expensive dynamo, and the driving state of the ABS needs to be measured.

In addition, such a measuring method has a problem in that it is difficult to test the operation state of the ABS according to various road conditions such as rain or ice.

Therefore, there is a need for improvement.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and provides an electromagnetic wave testing apparatus that enables the EMS test of ABS to be easily performed by having the vehicle have the same driving state at various road conditions at a low cost. There is a purpose.

In order to achieve the above object, the present invention is a test object to be tested; A tester which is connected to the test product and sends and receives a signal and cuts off electromagnetic waves inside; A shield room that covers the inspection object and the inspection device to block electromagnetic waves; And a noise antenna embedded in the shield room and configured to propagate noise to the test article and the tester.

The test article is characterized in that the anti-lock brake system provided on each wheel of the vehicle.

The tester includes a shield case for blocking the introduction of electromagnetic waves; An input / output unit embedded in the shield case to exchange a signal with the anti-lock brake system; And a control unit connected to the input / output unit and providing information to the anti-lock brake system.

A first optical converter connected to the input / output unit to exchange a signal; An optical cable having one end connected to the first optical converter and penetrating the shield room; A second optical converter provided at the other end of the optical cable; And an additional input unit connected to the second optical converter to input information.

And a display unit for displaying the received information connected to the second optical converter.

As described above, the electromagnetic wave testing apparatus according to the present invention has the effect that the inspection device is blocked by the shield case, the electromagnetic wave is blocked, the accurate measurement of the inspection product to test the effect of the electromagnetic wave.

In addition, the electromagnetic test apparatus according to the present invention has an effect of minimizing the influence of electromagnetic waves by connecting the additional input unit and the display unit to the tester by the optical cable.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the electromagnetic wave testing apparatus according to the present invention.

In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description.

In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or custom.

Therefore, definitions of these terms should be made based on the contents throughout the specification.

1 is a view schematically showing an electromagnetic wave test apparatus according to an embodiment of the present invention, Figure 2 is a view schematically showing a tester according to an embodiment of the present invention.

1 and 2, the electromagnetic wave test apparatus 100 includes a test article 10 to be inspected and a tester 20 inspecting the test article 10 in the shield room 30. The shield room 30 is provided with a noise antenna 40 for generating noise to test the test article 10. The shield room 30 blocks the electromagnetic waves are discharged to the outside.

The inspection object 10 is an object of an electromagnetic wave test of a vehicle, and may be, for example, an anti-lock brake system. On the other hand, such a test article 10 may be a vehicle control device (Traction Control System), VDC (Vehicle Dynamic Control System), AYC (Automatic Yaw Control System), ECS (Electronic Control System), etc. This chapter describes the anti-lock brake system.

The tester 20 is connected to the test article 10, more specifically, the anti-lock brake system provided on each wheel of the vehicle and the first cable 91 to exchange signals, and the shield case 21, input and output unit 22 and the control part 23 are provided.

The shield case 21 blocks electromagnetic waves so that electromagnetic waves generated from the noise antenna 40 do not affect the tester 20.

The control unit 23 provides the anti-lock brake system with a condition for checking an operation or a state of each wheel of the vehicle.

The controller 23 is connected to the input / output unit 22 through the second cable 92, and the input / output unit 22 is connected to the test article 10 through the first cable 92.

On the other hand, the tester 20 is provided with an external control unit 24 for installing software in the control unit 23 and a power supply unit 25 for supplying power to the control unit 23.

Meanwhile, the inspector 20 includes a first optical converter 51 connected to the input / output unit 22 and a third cable 93 to transmit and receive signals, and a second optical converter outside the shield room 30. 52). The first optical converter 51 and the second optical converter 52 are connected to each other by the optical cable 53.

The second optical converter 52 is connected to the additional input unit 60. The additional input unit 60 transmits values necessary for maintaining the vehicle attitude to the second optical converter 52 according to the road condition, and this information is transmitted through the optical cable 53 and the first optical converter 51. Is delivered).

On the other hand, the display unit 70 is connected to the second optical converter 52 to display the state of the vehicle so that the tester can recognize.

Referring to the operation of the electromagnetic test apparatus according to an embodiment of the present invention having the structure as described above are as follows.

The test article 10 and the tester 20 are connected to exchange information, and the additional input unit 60 and the display unit 70 are connected to exchange information with the tester 20 through the optical cable 53, and the test article 10. And the tester 20 is provided in the shield room 30 to block the electromagnetic waves.

In the above state, the noise antenna 40 embedded in the shield room 30 emits electromagnetic waves having a predetermined frequency and magnitude.

The controller 23 adjusts the speed of the motor so that each wheel of the vehicle is rotated in the same manner based on the data pattern (asphalt, rain, snow, ice, etc. test method) acquired during braking on the actual road surface. Control and receive hydraulic analysis signal output. At this time, the control unit 23 is embedded in the shield case 21 and measures whether the anti-lock brake system is affected by the specific electromagnetic waves without being affected by the electromagnetic waves.

At this time, since the electromagnetic wave is not discharged to the outside by the shield case 21, the inspector 20 is not affected by the inspector 20.

On the other hand, the additional input unit 60 and the display unit 70 is connected to the tester 20 by the optical cable 53, thereby minimizing noise generation, thereby enabling accurate testing of the test article 10.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. Will understand.

Therefore, the true technical protection scope of the present invention will be defined by the claims below.

1 is a view schematically showing an electromagnetic wave testing apparatus according to an embodiment of the present invention.

2 is a view schematically showing a tester according to an embodiment of the present invention.

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

10: inspection product 20: inspection machine

30: shield room 60: additional input unit

70: display unit

Claims (5)

An inspection object to be inspected; A tester which is connected to the test product and sends and receives a signal and cuts off electromagnetic waves inside; A shield room that covers the inspection object and the inspection device to block electromagnetic waves; And And a noise antenna embedded in the shield room and configured to propagate noise to the test article and the tester. The method of claim 1, The inspection product is an electromagnetic wave testing apparatus, characterized in that the anti-lock brake system provided on each wheel of the vehicle. The method of claim 2, The tester includes a shield case for blocking the introduction of electromagnetic waves; An input / output unit embedded in the shield case to exchange a signal with the anti-lock brake system; And And a control unit connected to the input / output unit and providing information to the anti-lock brake system. The method of claim 3, wherein A first optical converter connected to the input / output unit to exchange a signal; An optical cable having one end connected to the first optical converter and penetrating the shield room; A second optical converter provided at the other end of the optical cable; And Electromagnetic wave testing apparatus characterized in that the additional input unit is connected to the second optical converter for inputting information. The method of claim 4, wherein Electromagnetic wave testing apparatus characterized in that the display unit is connected to the second optical converter and displays the received information.
KR1020070132034A 2007-12-17 2007-12-17 Test device of electron wave KR20090064727A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070132034A KR20090064727A (en) 2007-12-17 2007-12-17 Test device of electron wave

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070132034A KR20090064727A (en) 2007-12-17 2007-12-17 Test device of electron wave

Publications (1)

Publication Number Publication Date
KR20090064727A true KR20090064727A (en) 2009-06-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070132034A KR20090064727A (en) 2007-12-17 2007-12-17 Test device of electron wave

Country Status (1)

Country Link
KR (1) KR20090064727A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8462039B2 (en) 2009-12-09 2013-06-11 Electronics And Telecommunications Research Institute Indoor electromagnetic environment implementing structure and a constructing method thereof
KR101302542B1 (en) * 2012-08-21 2013-09-02 주식회사 오성전자 Apparatus and system for testing a electronic device
CN103604611A (en) * 2013-10-28 2014-02-26 奇瑞汽车股份有限公司 Test system and method for electromagnetic-interference-resistance performance of vehicle braking system
KR101477001B1 (en) * 2013-11-07 2014-12-29 주식회사 현대케피코 Test device of Electromagnetic Compatibility(EMC)
CN110333406A (en) * 2019-07-04 2019-10-15 重庆唯申科技有限公司 Electronic tag interference free performance test method, test equipment and storage medium
CN111856188A (en) * 2020-07-28 2020-10-30 深圳职业技术学院 New energy vehicle detection method and system based on Internet of things
KR102188324B1 (en) * 2019-08-21 2020-12-08 에이스웨이브텍(주) Continuous monitoring device for shielding effectiveness
KR102598643B1 (en) * 2022-07-25 2023-11-06 주식회사 경신 Fixture of antenna for ems tolerance

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8462039B2 (en) 2009-12-09 2013-06-11 Electronics And Telecommunications Research Institute Indoor electromagnetic environment implementing structure and a constructing method thereof
KR101302542B1 (en) * 2012-08-21 2013-09-02 주식회사 오성전자 Apparatus and system for testing a electronic device
CN103604611A (en) * 2013-10-28 2014-02-26 奇瑞汽车股份有限公司 Test system and method for electromagnetic-interference-resistance performance of vehicle braking system
CN103604611B (en) * 2013-10-28 2016-05-18 奇瑞汽车股份有限公司 A kind of test macro and method of motor vehicle braking system electromagnetic immunity performance
KR101477001B1 (en) * 2013-11-07 2014-12-29 주식회사 현대케피코 Test device of Electromagnetic Compatibility(EMC)
CN110333406A (en) * 2019-07-04 2019-10-15 重庆唯申科技有限公司 Electronic tag interference free performance test method, test equipment and storage medium
CN110333406B (en) * 2019-07-04 2021-07-09 重庆唯申科技有限公司 Electronic tag anti-interference performance test method, test instrument and storage medium
KR102188324B1 (en) * 2019-08-21 2020-12-08 에이스웨이브텍(주) Continuous monitoring device for shielding effectiveness
CN111856188A (en) * 2020-07-28 2020-10-30 深圳职业技术学院 New energy vehicle detection method and system based on Internet of things
CN111856188B (en) * 2020-07-28 2021-03-23 深圳职业技术学院 New energy vehicle detection method and system based on Internet of things
KR102598643B1 (en) * 2022-07-25 2023-11-06 주식회사 경신 Fixture of antenna for ems tolerance

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