KR20030008594A - An apparatus for test of glass antenna for automobile and the method for the same - Google Patents

Abstract

PURPOSE: An apparatus and method is provided to prevent deterioration of reliability of product by automatically testing disconnection of antenna through the use of RF network analyzer, while shortening testing time and reducing costs. CONSTITUTION: An apparatus for testing antenna disconnection of automobile glass, comprises a test board(100) on which a glass(120) equipped with an antenna(121) to be tested; a plurality of allocation units mounted on the test board, and which supports an outer end of the glass and disposes the glass at an accurate test position; a detection unit for detecting characteristic frequency value of the antenna disposed on the test board; a computer(300) for receiving, through a LAN, the data detected by the detection unit, comparing the data with a reference characteristics frequency value, and judging whether the error falls within the preset error range; a display unit for displaying the result of judgement of the computer; and a control unit(400) for controlling operation of the detection unit and allocation units.

Description

Antenna disconnection inspection device and method for automotive glass {AN APPARATUS FOR TEST OF GLASS ANTENNA FOR AUTOMOBILE AND THE METHOD FOR THE SAME}

The present invention relates to an antenna disconnection inspection device and method for automobile glass, and more particularly, by outputting a frequency characteristic curve of the antenna provided by the printing method on the glass at the time of manufacturing the rear glass for automobiles and comparing it with a standard value The present invention relates to an antenna disconnection inspection device and method for automobile glass, which can automatically determine the disconnection of a car.

In general, the antenna provided in the automotive glass consists of a thin conductor line of 0.3 mm or less inserted between the joint surfaces of the rear glass, or a plurality of horizontal conductor lines printed on the surface of the rear glass, and a vertical conductor line intersecting the same. .

Here, the glass is regarded as an insulator at high frequency as air, so the antenna of the above structure plays the same role as arranging the conductors in the air. By transmitting, good broadcast reception is possible.

By the way, in the antenna manufacturing process of the automotive glass as described above, in the past, the disconnection of the horizontal conductor wire and the vertical conductor wire is often not inspected, so the reliability of the product was not guaranteed, and even when the inspection is performed by hand Since it takes too much work time to make an accurate inspection, only a rough inspection based on the operator's vision is performed, so the reliability of the quality of the product is still not guaranteed.

Accordingly, the present invention has been made to solve the above problems, by outputting the frequency characteristic curve of the antenna of the glass for automobiles using RF (radio frequency) network analyzer to compare the error with the standard value whether the antenna is disconnected or not It is an object of the present invention to provide an antenna disconnection inspection apparatus and method for automobile glass that can accurately inspect.

Figure 1 is a schematic diagram schematically showing the configuration of an embodiment of the antenna disconnection inspection device for automobile glass according to the present invention.

Figure 2 is a front view showing an embodiment configuration of the inspection table that is the main part of the present invention.

3 is a side view of FIG. 2;

Figure 4a is a front view showing an embodiment configuration of the side end support of the inspection table.

4B is a side view of FIG. 4A.

Figure 5a is a front view showing an embodiment configuration of the lower support of the inspection table.

Fig. 5B is a side view of Fig. 5A.

Figure 6a is a front view showing an embodiment configuration of the connection portion of the inspection table.

Fig. 6B is a side view of Fig. 6A.

7 is a flowchart illustrating an embodiment of a method for inspecting antenna disconnection of glass for automobiles according to the present invention.

* Explanation of symbols for main parts of the drawings

100: inspection table 101: wheel

110: support frame 111: upper frame

120: glass 121: antenna

130: lower support 140: side end support

150: lower surface support 160: connection portion

200: RF network analyzer 300: computer

400: controller

In order to achieve the above object, the apparatus of the present invention, the inspection table is placed on the glass having an antenna to be inspected thereon; A plurality of disposing means mounted on an upper portion of the inspection table and arranged in an accurate inspection position while supporting an outer end of the glass having an antenna placed on the inspection table; Detection means for detecting a characteristic frequency value of the antenna provided in the glass on the inspection table; Processing means for receiving the data detected by the detecting means through a local area network and comparing the data with a standard characteristic frequency value to determine whether the error is within a set error range; Display means for displaying the result determined by the processing means to the outside; And a control means for controlling the operation of the detecting means and the arranging means.

Further, in order to achieve the above object, the method of the present invention determines whether the glass having the antenna to be inspected is correctly positioned at the correct inspection position of the inspection table and outputs a connection operation signal so that the reno pin is connected to the busbar of the antenna. First step; A second step of outputting a position correction signal so that the glass is in a correct position when the glass is not in a correct position; Determining whether the reno pin is correctly connected to the busbar of the antenna and detecting a characteristic frequency of the antenna by the RF network analyzer; A fourth step of receiving data detected by the RF network analyzer through a LAN; Loading standard data of a characteristic frequency output value; A sixth step of comparing the data input from the RF network analyzer with the loaded standard data; Judging whether the error of the input data to the standard data is within a set error range and outputting a good signal if the error is within a set range; And an eighth step of outputting a bad signal when an error with respect to the standard data of the input data is not within a set error range.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic diagram schematically showing the configuration of an embodiment of the antenna disconnection inspection device for automobile glass according to the present invention, Figure 2 and Figure 3 is a front view showing an embodiment configuration of the inspection table that is the main part of the present invention; And side view.

The antenna disconnection inspection device for automobile glass of the present invention is for inspecting the disconnection of an antenna embedded or printed on the glass by using an RF network analyzer at the time of manufacturing the automobile glass, as shown in FIG. An inspection table 100 on which the glass 120 to be inspected is placed; An RF network analyzer 200 for outputting a frequency characteristic curve of the antenna 121 provided in the glass 120 on the test table 100; A computer 300 which receives the data analyzed by the RF network analyzer 200 through a local area network (hereinafter, referred to as a LAN) and compares the standard value with a standard value to determine good or bad goods; Receives the result determined by the computer 300 through RS232 communication and displays it externally through a display means such as an alarm light or an alarm sound, and controls the operation of the RF network analyzer 200 and the test table 100. The controller 400 is large.

Here, the inspection table 100, as shown in Figures 2 and 3, the support frame 110, the transport wheel 101 is mounted on the lower portion; An upper frame 111 coupled to the upper portion of the support frame 110 at an inclined angle and having glass 120 to be inspected on one side thereof; A plurality of lower supports 130 mounted on the lower part of the upper frame 111 to support the lower ends of the glass 120 to be inspected; A plurality of side ends (140) mounted at a predetermined position of the upper frame (111) and arranged at an accurate inspection position while supporting both sides and upper ends of the glass (120) supported by the lower support (130); It is mounted on the upper frame 111 so that the end portion is in contact with the surface facing the upper frame 111 of the glass 120, the glass 120 is stably moved while the glass 120 is placed A lower support 150 for supporting the support; One side thereof is in contact with the antenna 121 provided in the glass 120, the other side thereof is mounted to the upper frame 111 to be connected to the RF network analyzer 200, and the RF network analyzer 200 The connection unit 160 is configured to apply signal transmission between the antennas 121 to detect frequency characteristics.

4A and 4B are front and side views of the side end support 140, the side support 140 as shown, a pedestal 141 fixed to the upper frame 111; A support arm 142 having a “b” shape mounted on one side of the pedestal 141; A cylinder 143 mounted on the other side of the pedestal 141, the rod 143a of which is supported to allow reciprocating motion by the support arm 142; It is mounted to the end of the rod 143a of the cylinder 143 and reciprocated, and the side shape is composed of a stop roller 144 tapered.

5A and 5B are front and side views of the lower support 150, and the lower support 150 is a pedestal 151 and a support arm configured in the same manner as the side support 140 as shown. 152 and the cylinder 153, but the caster roller 154 is mounted on the end of the rod 153a of the cylinder 153.

6A and 6B are front and side views of the connecting portion 160. The connecting portion 160 includes a magnetic holder 161 mounted to the upper frame 111, as shown. A horizontal member 162 mounted in a horizontal direction on an upper portion of the magnetic holder 161; A vertical member 163 fastened vertically to an end of the horizontal member 162; A support arm 164 fastened to an end of the vertical member 163 by a predetermined angle in left and right directions; A cylinder 165 mounted on one side of the support arm 164; A pair of leeno pins 166a mounted on an end of the rod 165a of the cylinder 165 and being lifted and contacting a busbar (not shown) of the antenna 121 are provided at one side thereof. It is composed of a connector 166 provided.

Referring to the detailed functions and operations of the components of the embodiment of the present invention configured as described above are as follows.

The automobile glass 120 completed through a predetermined manufacturing process in a state where power is applied is supported by the lower support 130 and placed on the upper side of the inspection stand 100, and when the operator presses a start button, the controller The cylinders 143 and 153 of the side end support 140 and the bottom support 150 are extended or contracted by the 400 so that the glass 120 is accurately positioned at the inspection position.

That is, when the stop roller 144 of the side end support 140 is advanced by the cylinder 143, the stop roller 144 is tapered, so that the side surface of each stop roller 144 is the glass 120. It is in close contact with the outer end of the glass 120 to position the correct inspection position, while the arrangement as described above, the caster roller 154 of the lower support 150 is advanced by the cylinder 153 is glass Supporting the surface facing the upper frame 111 of the 120 to ensure a stable transport.

When the arrangement of the glass 120 is completed by the stop roller 144 and the caster roller 150, the connector 166 of the connecting portion 160 is advanced by the cylinder 165, and thus the reno The pin 166a is connected to the busbar of the antenna 121 so that the frequency characteristic of the antenna 121 can be detected.

7 is a flowchart illustrating an inspection method using an antenna disconnection inspection apparatus for automobile glass according to the present invention.

As shown, when the power is applied (710), it is determined (720) whether the glass 120 is in the correct test position of the inspection table 100, if it is not in the correct position, the glass 120 ) Outputs a position correction signal 730 to the controller 400 to operate the cylinders 143 and 153 of the side support 140 and the bottom support 150.

When the glass 120 is in the correct position, the cylinder 165 is operated by outputting a connection operation signal 740 to the controller 400 so that the reno pin 166a is connected to the busbar of the antenna 121. It is determined whether the reno pin 166a is in the correct position (750).

If it is determined that the reno pin 166a is correctly connected to the busbar of the antenna 121, the characteristic frequency of the antenna 121 is detected 760 by the RF network analyzer 200. It is input 770 to the memory of the computer 300 through.

Subsequently, standard data of a characteristic frequency output value is loaded from the memory of the computer 300 (780), and the standard of the input data is compared (790) with the loaded standard data and the data input from the RF network analyzer 200. It is determined whether the error of the data is a value within the set error range (800). If the error is a value within the set range, a good signal is output (810), and a value out of the set range is output a bad signal (820). Done.

Subsequently, it is determined whether the power is maintained (830), and if the power is on, the above process is repeated to continuously perform the antenna disconnection checking process.

The good and bad output signals may be displayed by an output device such as a monitor, a printer, or a speaker connected to the computer 300, or may be displayed by a warning device such as a warning light or a horn connected to the controller 400. It may be.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes are possible in the art without departing from the technical spirit of the present invention. It will be apparent to those of ordinary knowledge.

According to the present invention as described above, it is possible to automatically check whether the antenna is disconnected using the RF network analyzer, it is possible to prevent the degradation of the reliability of the product due to the lack of inspection, the time required for the manual work And it is possible to reduce the required cost has the effect of improving the productivity and quality of the car antenna built-in glass.

Claims (7)

An inspection table on which a glass having an antenna to be inspected is placed thereon; A plurality of disposing means mounted on an upper portion of the inspection table and arranged in an accurate inspection position while supporting an outer end of the glass having an antenna placed on the inspection table; Detection means for detecting a characteristic frequency value of the antenna provided in the glass on the inspection table; Processing means for receiving the data detected by the detecting means through a local area network and comparing the data with a standard characteristic frequency value to determine whether the error is within a set error range; Display means for displaying the result determined by the processing means to the outside; And Control means for controlling the operation of the detecting means and the arranging means Antenna disconnection inspection device for automobile glass comprising a. The method of claim 1, The arrangement means A first pedestal mounted on an upper portion of the inspection table; A first support arm mounted on one side of the first pedestal; A first cylinder mounted at the other side of the first pedestal, the rod being supported on one side of the first support arm to allow the rod to reciprocate; A stop mounted to the rod end of the first cylinder, reciprocating by the first cylinder, the taper being formed such that its side is in close contact with the outer end of the glass placed on the inspection table roller Antenna disconnection inspection device for automobile glass comprising a. The method according to claim 1 or 2, An antenna disconnection of the glass for automobiles, which is mounted to the inspection table so as to be positioned below the glass positioned on the inspection table, and further includes lower surface support means for supporting the lower surface of the glass so that the glass is stably moved during the arrangement of the glass. Inspection device. The method of claim 3, The lower support means A second pedestal mounted on an upper portion of the inspection table; A second support arm mounted on one side of the second pedestal; A second cylinder mounted at the other side of the second pedestal, the rod being supported on one side of the second support arm to allow the rod to reciprocate; A caster roller mounted on the rod end of the second cylinder and tapered so as to be in close contact with the outer end of the second cylinder in contact with the bottom surface of the glass placed on the inspection table while reciprocating by the second cylinder. Antenna disconnection inspection device for automobile glass comprising a. The method of claim 1, Detection means An RF network analyzer for detecting and outputting a characteristic frequency of the antenna of the glass; One end thereof is in contact with the antenna provided in the glass, the other side thereof is provided on the inspection table so as to be connected to the RF network analyzer, the connection means for applying a signal transmission between the RF network analyzer and the antenna Antenna disconnection inspection device for automobile glass comprising a. The method of claim 5, The connecting means A magnetic holder mounted to the inspection table; A horizontal member mounted in a horizontal direction on an upper portion of the magnetic holder; A vertical member fastened vertically to an end of the horizontal member; A third support arm fastened to an end of the vertical member so as to be rotatable in left and right directions; A third cylinder mounted to one side of the third support arm; A connector mounted on an end of the rod of the third cylinder and being lifted, and having a pair of reno pins on one side thereof contacting the busbar of the antenna; Antenna disconnection inspection device for automobile glass comprising a. A first step of determining whether the glass having the antenna to be inspected is correctly positioned at the correct inspection position of the inspection table and outputting a connection operation signal such that the reno pin is connected to the busbar of the antenna; A second step of outputting a position correction signal so that the glass is in a correct position when the glass is not in a correct position; Determining whether the reno pin is correctly connected to the busbar of the antenna and detecting a characteristic frequency of the antenna by the RF network analyzer; A fourth step of receiving data detected by the RF network analyzer through a LAN; Loading standard data of a characteristic frequency output value; A sixth step of comparing the data input from the RF network analyzer with the loaded standard data; Judging whether the error of the input data to the standard data is within a set error range and outputting a good signal if the error is within a set range; And Eighth step of outputting a bad signal when the error of the input data to the standard data is not within the set error range Antenna disconnection inspection method of a glass for automobiles including a.