KR102598643B1 - Fixture of antenna for ems tolerance - Google Patents

Abstract

The invention for an installation stand for an EMS resistant antenna is disclosed. The installation stand of the disclosed EMS-resistant antenna is: a first support portion that supports one side of the noise antenna that transmits noise to the inspection equipment or the inspection equipment that exchanges signals with the inspection device to be inspected and blocks the inflow of electromagnetic waves inside. , and a second support part that supports the other side of the noise antenna so that the noise antenna is positioned in correspondence to the inspection device while maintaining the noise antenna horizontal to the floor.

Description

Installation stand for EMS resistant antenna {FIXTURE OF ANTENNA FOR EMS TOLERANCE}

The present invention relates to an installation stand for an EMS-resistant antenna. More specifically, the height of an EMS (Electro-Magnetic Susceptibility)-resistant log periodic antenna and an inspection device can be adjusted through the installation stand after a test configuration in accordance with test standards. This is about an installation stand for an EMS-resistant antenna that aims to improve the convenience of use and improve mechanical and electronic problems that occur in the equipment used on the premise of deriving the same test results by maintaining the same.

As the type and number of electrical components installed in a vehicle increases, electromagnetic noise generated from each electrical component is one of the factors that cause abnormal operation of the vehicle. Therefore, evaluating the influence of electromagnetic waves generated from each electrical device is one of the most important tasks.

In particular, existing electromagnetic wave measurements are conducted within a limited environment called a radio anechoic chamber using a measurement method that is dependent on the environment. Electromagnetic wave measurements within such limited spaces are being carried out in the development and certification stages of electrical equipment.

At this time, in the existing electromagnetic wave measurement, a log-periodic antenna (hereinafter referred to as 'antenna') is fixed at a height of approximately 1000 mm from the floor, and then the test is performed at a distance of approximately 1000 mm between wiring devices. After configuring the test, the immune performance of the product is verified by generating an electromagnetic field in the corresponding frequency band (80 MHz to 1 GHz) using an antenna.

Related technology is disclosed in Korean Patent Publication No. 10-2009-0064727 (title of invention: electromagnetic wave testing device).

The above-described technical configuration is background technology to aid understanding of the present invention, and does not mean that it is widely known prior art in the technical field to which the present invention belongs.

According to the prior art, if the antenna is fixed at 1000 mm above the ground, which is the height of the antenna master, the end in the axial direction of the antenna bends downward due to the weight, and the height of the antenna master and the end of the antenna are different, making it impossible to secure the reliability of the immune performance of the product. There is a problem.

To improve this, there is a problem in that it is cumbersome to adjust the height of the antenna in order to fix the height (1000 mm) of the antenna end.

Therefore, there is a need to improve this.

The present invention was developed to improve the problems described above. After configuring the test in accordance with the test standard, the height of the Log Periodic Antenna for EMS (Electro-Magnetic Susceptibility) resistance and the inspection device is made the same through the installation stand. The purpose is to provide an installation stand for EMS-resistant antennas that improves the convenience of use and improves mechanical and electronic problems occurring in the equipment used, assuming the same test results are obtained by maintaining the same test results.

The present invention is an EMS resistance antenna that is intended to maintain or increase test reliability by easily adjusting the height of the log-cycle antenna according to the size of the inspection device or the height of the antenna master by allowing the height of the log-cycle antenna to be adjusted to the installation stand. The purpose is to provide an installation stand.

The purpose of the present invention is to provide a mounting stand for an EMS resistant antenna that is equipped with casters on the mounting stand to enable positioning, thereby providing convenience for positioning.

The installation stand of the EMS-resistant antenna according to the present invention is: each on the inspection equipment that exchanges signals with the inspection device to be inspected and blocks the inflow of electromagnetic waves inside, or on one side of the noise antenna that transmits noise to the inspection device. a first supporting portion; and a second support part that supports the other side of the noise antenna so that the noise antenna is positioned in correspondence to the inspection device while maintaining the noise antenna horizontal to the floor.

The first support part includes a first support beam connecting and supporting one side of the noise antenna in the noise propagation direction; a base beam extending below the first support beam to maintain the installed state by supporting the first support beam against the floor; and a first connection part that connects and guides one side of the noise antenna to the first support beam.

The noise antenna includes a transmission beam that transmits noise.

The first connection part includes: a clamp provided on one side of the transmission beam to surround the first support beam; an installation hole portion formed with a plurality of through holes along the axial direction of the first support beam; And a first binding member that positions the clamp on the first support beam to correspond to the installation hole at a set height and binds the clamp and the first support beam through the corresponding installation hole.

The second support unit includes a second support beam supporting the transmission beam with respect to the floor; and a second connection unit that guides the second support beam to connect and support the other side of the transmission beam.

The second support beam includes an upper beam connecting the transmission beam; A lower beam for inserting a shaft so that the upper beam can be slidably moved; A slot hole portion formed in a rectangular shape along the axial direction on the circumferential surface of the lower beam; And after setting the height of the upper beam with respect to the lower beam, it includes a fixing member that fixes the height of the upper beam with respect to the lower beam through the slot hole portion.

The second connection part includes a connection piece provided on the upper beam supporting the transmission beam and in contact with a peripheral surface of the transmission beam; and a second binding member that detachably binds the connection piece and the transmission beam.

As described above, unlike the prior art, the installation stand for the EMS-resistant antenna according to the present invention is configured for testing in accordance with test standards and then inspected with the Log Periodic Antenna for EMS (Electro-Magnetic Susceptibility) resistance through the installation stand. By keeping the height of the device the same, it is possible to improve the convenience of use and improve mechanical and electronic problems that occur in the equipment used, assuming the same test results are obtained.

The present invention allows the height of the log-cycle antenna to be adjusted to the installation stand, so that the test reliability can be maintained or increased by easily adjusting the height of the log-cycle antenna according to the size of the inspection device or the height of the antenna master.

The present invention can provide convenience for positioning by equipping the installation stand with casters to enable position movement.

Figure 1 is a configuration diagram of an electromagnetic wave testing device using an EMS immunity antenna according to an embodiment of the present invention.
Figure 2 is a perspective view of an installation stand for an EMS resistant antenna according to an embodiment of the present invention.
Figure 3 is a front view of an installation stand for an EMS resistant antenna according to an embodiment of the present invention.
Figure 4 is an enlarged view of the main portion of the first support portion of the installation stand of the EMS resistant antenna according to an embodiment of the present invention.
Figure 5 is an enlarged view of the main portion of the second support portion of the installation stand of the EMS resistant antenna according to an embodiment of the present invention.

Hereinafter, an embodiment of an installation stand for an EMS-resistant antenna according to the present invention will be described with reference to the attached drawings. In this process, the thickness of lines or sizes of components shown in the drawing may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are terms defined in consideration of functions in the present invention, and may vary depending on the intention or custom of the user or operator. Therefore, definitions of these terms should be made based on the content throughout this specification.

Figure 1 is a configuration diagram of an electromagnetic wave testing device using an EMS immunity antenna according to an embodiment of the present invention.

Figure 2 is a perspective view of an installation stand for an EMS-resistant antenna according to an embodiment of the present invention, and Figure 3 is a front view of an installation stand for an EMS-resistant antenna according to an embodiment of the present invention.

Figure 4 is an enlarged view of the main part of the first support part of the installation stand for the EMS resistant antenna according to an embodiment of the present invention, and Figure 5 is the main part of the second support part of the installation stand for the EMS resistant antenna according to an embodiment of the present invention. This is an enlarged view.

Referring to Figures 1 to 5, the installation stand 100 of the EMS resistant antenna according to an embodiment of the present invention includes a first support part 110 and a second support part 120.

In particular, the EMS (Electro-Magnetic Susceptibility) immunity antenna according to the present invention can be applied in various ways, but as an example, it is assumed to be a resistance log periodic antenna. Hereinafter, the EMS immunity antenna is referred to as the noise antenna 50.

And, the EMS resistance antenna is provided as the electromagnetic wave test device (10). So, hereinafter, the EMS immunity antenna is referred to as the noise antenna 50.

That is, the electromagnetic wave test device 10 is equipped with an inspection device 30, such as a vehicle electrical equipment to be inspected, and inspection equipment 40 that inspects the inspection device 30, inside the shield room 20.

In addition, the shield room 20 is equipped with a noise antenna 50 for testing the inspection device 30 by generating noise. This shield room 20 blocks electromagnetic waves from being discharged to the outside.

The inspection device 30 is an object of electromagnetic wave testing of vehicles or vehicle electrical components.

Therefore, the noise antenna 50 exchanges signals with the inspection device 30 that is to be inspected and transmits noise to the inspection device 40 or the inspection device 30, which blocks the inflow of electromagnetic waves therein.

In addition, the display unit 60 displays the status of the inspection device 30 so that the tester can recognize it.

In particular, the noise antenna 50 includes a transmission beam 52 and a radiating element 54.

The transmission beam 52 serves to transmit noise to the inspection device 30. At this time, the transmission beam 52 may be formed in various forms such as a beam.

In addition, the radiating element 54 branches to both sides along the axial direction of the transmission beam 52 and serves to expand the reception frequency band.

At this time, in order to maximize inspection reliability, the noise antenna 50, especially the transmission beam 52, and the inspection device 30 must be maintained at the same height or at a corresponding height.

Therefore, the noise antenna 50 is fixed to the installation stand 100 according to the present invention and maintains the set height.

Meanwhile, the installation stand 100 includes a first support part 110 and a second support part 120.

The first support part 110 supports one side of the noise antenna 50, and the second support part 120 supports the other side of the noise antenna 50.

In particular, the first support part 110 supports one side of the transmission beam 52 along the axial direction to fix its position, and the second support part 120 supports the other side of the transmission beam 52 along the axial direction to fix its position. do.

Therefore, the noise antenna 50 is maintained in a position corresponding to the inspection device 30 while remaining horizontal with respect to the floor.

In detail, the first support portion 110 includes a first support beam 111, a base beam 112, and a first connection portion 114.

The first support beam 111 connects and supports one side of the noise antenna 50 in the noise propagation direction, that is, one side along the axial direction of the transmission beam 52. Of course, the first support beam 111 can be modified into various shapes, and can be made of an insulating material or have a shield layer that blocks electromagnetic waves.

And, the base beam 112 extends from the lower side of the first support beam 111 and maintains the installed state of the first support beam 111 by supporting the first support beam 111 against the floor. The base beam 112 can be modified into various shapes, and can be made of an insulating material or have a shield layer formed to block electromagnetic waves.

At this time, the base beam 112 may be provided with a first caster 113 to facilitate position movement.

Additionally, the first connection portion 114 connects one side of the noise antenna 50 to the first support beam 111.

As an example, the first connection part 114 includes a clamp 115, an installation hole part 116, and a first binding member 117.

The clamp 115 is provided on one side of the transmission beam 52 to surround the first support beam 111. At this time, the clamp 115 may be integrally provided with the first support beam 111 or may be separably coupled to the first support beam 111. Of course, the clamp 115 can be applied in various shapes and materials.

And, the installation hole portion 116 is formed with a plurality of through holes along the axial direction of the first support beam 111.

In addition, the first binding member 117 places the clamp 115 on the first support beam 111 so as to correspond to the installation hole 116 of the set height, and clamps 115 through the corresponding installation hole 116. and the first support beam 111.

Accordingly, the transmission beam 52 can be set to a height corresponding to the inspection device 30, and the clamp 115 is fixed to the first support beam 111 by the first binding member 117.

Additionally, the second support portion 120 includes a second support beam 121 and a second connection portion 122.

The second support beam 121 supports the other side of the transmission beam 52 along the axial direction with respect to the floor.

The second support beam 121 can be transformed into various shapes, and can be made of an insulating material or have a shield layer that blocks electromagnetic waves.

In addition, the second support beam 121 may be provided with a second caster 129 for ease of position movement.

In particular, the second support beam 121 includes an upper beam 123, a lower beam 124, a slot hole portion 125, and a fixing member 126.

The upper beam 123 connects the transmission beam 52. At this time, the upper beam 123 is in contact with and supports the lower part of the other edge in the axial direction of the transmission beam 52. Of course, the upper beam 123 can be applied in various shapes and materials.

Then, the lower beam 124 is supported on the floor and inserted into the upper beam 123 so that it can slide. At this time, the lower beam 124 is formed to be stably supported on the floor. The second caster 129 is provided on the lower side of the lower beam 124. The lower beam 124 can be applied in various shapes and materials.

Of course, the lower beam 124 may be supported on the base beam 112.

The slot hole portion 125 is formed in a rectangular shape along the axial direction on the peripheral surface of the lower beam 124.

In addition, the fixing member 126 sets the height of the upper beam 123 with respect to the lower beam 124 and then fixes the height of the upper beam 123 with respect to the lower beam 124 through the slot hole portion 125. It plays a role.

The fixing member 126 can be used in various ways, such as bolts.

Accordingly, the transmission beam 52 has one side fixed to the first support beam 111 along the axial direction, and the other side is fixed to the second support beam 121, corresponding to the inspection device 30. The height allows it to remain level with the floor.

And, the second connection part 122 guides the second support beam 121 to connect and support the other side of the transmission beam 52.

As an example, the second connection portion 122 includes a connection piece 127 and a second binding member 128.

The connection piece 127 is provided on the upper beam 123 that contacts and supports the lower side of the transmission beam 52, and is in contact with the peripheral surface of the transmission beam 52.

At this time, the connection piece 127 may be provided as one and may be in contact with the circumferential surface of one side of the transmission beam 52, or may be provided in pairs and may be in contact with the circumferential surface on both sides of the transmission beam 52. The connection piece 127 can be modified into various shapes.

The second binding member 128 couples the connecting piece 127 and the transmission beam 52 in a separable manner. As a result, the transmission beam 52 is firmly bound to the second support beam 121.

Accordingly, the transmission beam 52 of the noise antenna 50 is maintained at a horizontal height by the first support beam 111 and the second support beam 121 on both sides along the axial direction, so that the inspection device 30 at the set height is maintained. ) can be maintained approximately in a straight line.

The present invention has been described with reference to the embodiments shown in the drawings, but these are merely exemplary, and those skilled in the art will recognize that various modifications and other equivalent embodiments are possible therefrom. You will understand. Therefore, the true technical protection scope of the present invention should be determined by the claims below.

10: Electromagnetic wave test device 20: Shield room
30: inspection device 40: inspection equipment
50: noise antenna 52: transmission beam
54: Radiating element 100: Installation stand
110: first support 111: first support beam
112: base beam 114: first connection part
115: Clamp 116: Installation hole part
117: second binding member 120: second support member
121: second support beam 122: second connection part
123: Upper beam 124: Lower beam
125: slot hole 126: fixing member
127: Connection 128: Second binding member

Claims (6)

A first support part that supports one side of a noise antenna that transmits noise to the inspection equipment that exchanges signals with the inspection device to be inspected and blocks electromagnetic waves from entering the inspection device, or to the inspection device; and a second support part that supports the other side of the noise antenna so that the noise antenna is positioned in correspondence to the inspection device while maintaining the noise antenna horizontal to the floor,
The noise antenna includes a transmission beam that transmits noise to the inspection device; And a radiating element that branches to both sides along the axial direction of the transmission beam to expand the reception frequency band,
The first support part includes a first support beam connecting and supporting one side of the noise antenna in the noise propagation direction; a base beam extending below the first support beam to maintain the installed state by supporting the first support beam against the floor; And a first connection part that fixes the position of the transmission beam after setting the height of one side of the transmission beam with respect to the first support beam,
The second support unit includes a second support beam supporting the transmission beam with respect to the floor; And a second connection unit that sets the height of the other side of the transmission beam with respect to the second support beam and then fixes the position,
The transmission beam is maintained horizontally with respect to the floor at a height corresponding to the inspection device with one side fixed to the first support beam and the other side fixed to the second support beam along the axial direction,
An installation stand for an EMS-resistant antenna, wherein the first support beam and the second support beam are made of an insulating material or a shield layer is formed to block electromagnetic waves.
delete According to clause 1,
The first connection part includes: a clamp provided on one side of the transmission beam to surround the first support beam;
an installation hole portion formed with a plurality of through holes along the axial direction of the first support beam; and
The clamp is positioned on the first support beam so as to correspond to the installation hole portion at a set height, and includes a first binding member that binds the clamp and the first support beam through the corresponding installation hole portion. Installation stand for EMS resistant antenna.
delete The method of claim 1, wherein the second support beam is:
an upper beam connecting the transmission beams;
A lower beam for inserting a shaft so that the upper beam can be slidably moved;
A slot hole portion formed in a rectangular shape along the axial direction on the circumferential surface of the lower beam; and
After setting the height of the upper beam with respect to the lower beam, a fixing member for fixing the height of the upper beam with respect to the lower beam through the slot hole portion.
The method of claim 5, wherein the second connection part is:
A connection piece provided on the upper beam supporting the transmission beam and in contact with a peripheral surface of the transmission beam; and
An installation stand for an EMS-resistant antenna, comprising a second binding member that detachably binds the connection piece and the transmission beam.

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