KR19980081120A - Electronic device and measuring method of the electronic device - Google Patents

Abstract

In the conventional electronic device, since only the hole 33b facing the circuit pattern 35 is provided in the cover 33, the electronic device must be moved and adjusted at the time of the measurement, which is cumbersome and troublesome for the measurement work. have.

In the electronic device of the present invention, the holes 5c, 3c, 4c penetrating the box body 1 in the up and down direction of the box body 1 are provided in the printed circuit board 5 and the covers 3, 4, and the holes are provided. (5c, 3c, 4c) can be used for positioning at the time of measurement, making measurement work easy, and work can be shortened.

Description

Electronic apparatus and measuring method of the electronic apparatus

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to electronic devices used in television tuners and the like, and measurement methods for inspecting or adjusting such electronic devices.

Conventionally, electronic devices such as tuners, as shown in Fig. 4, have a square frame body 31 having an open portion 31a on both sides of the top and bottom, and pieces 32a that are held in a rectangular shape and bent downward. The upper cover 32 which has (), and the lower cover 33 which has the piece 33a to hold | maintain are provided.

Then, the upper and lower covers 32 and 33 are covered with the frame 31 so as to block the opening part 31a of the frame 31, and the frame body 31 is sandwiched and held by pieces 32a and 33a to be held therein. The box-shaped box body 30 is comprised.

Further, a desired circuit pattern 35 is formed on the printed circuit board 34. Although not shown here, electrical components such as coils, resistors, and capacitors are mounted on the printed circuit board 34, and these electrical components are mounted on the circuit pattern ( 35).

In this way, the printed circuit board 34 on which the electric components are mounted is housed in the box body 30 and installed.

The lower cover 33 has a structure in which a hole 33b is provided at a position facing the circuit pattern 35 of a part of the printed board 34 provided in the box body 30.

Then, the electronic device having such a configuration is assembled and completed, and then measured and inspected by a specific circuit part to determine whether it has desired electrical characteristics or performance.

The coil and the like are adjusted as necessary by this measurement and inspection to obtain an electronic device having desired characteristics and performance.

In the measuring device of the electronic device for the measurement as described above, as shown in Fig. 4, the holder 40 for holding the electronic device is provided with a recess 40a and a hole 40b for receiving the electronic device.

In addition, a test pin 43 is provided on the movable part 41 provided to be movable in a jig (not shown) via an insulator 42, and the movable pin 41 is manually moved to hold the test pin 43. The hole 40b of the 40 is allowed to enter and exit.

In the conventional measuring method of an electronic device, as shown in FIG. 5, an electronic device is first placed in the recess 40a of the holding table 40. As shown in FIG.

Next, in the state of FIG. 4, the movable body 41 is moved upwards manually by a jig as a guide.

At this time, the test pin 43 is inserted into the hole 33b of the cover 33 by adjusting the electronic device by hand so that the test pin 43 does not contact the cover 33. The circuit pattern 35 is brought into contact.

In this state, the characteristics, performance, and the like of the electronic equipment are measured and inspected, and the electronic equipment is adjusted as necessary.

After the measurement and inspection, the movable body 41 is moved to the state shown in FIG. 4, and the measurement of the electronic device is completed.

In the conventional electronic device, since only the hole 33b facing the circuit pattern 35 is provided in the cover 33, the electronic device must be moved and adjusted during measurement, which is cumbersome and troublesome for the measurement work. There is.

In the conventional measuring method, the electronic device is placed on the holder 40, and the test pin 43 is inserted into the hole 33a of the cover 33 by the movable body 41 by manual operation. Since positioning is uncertain, manual adjustment of the electronic device is required, and since the movable body 41 is manually moved, the work is cumbersome, and the measurement work is troublesome, resulting in a problem of poor productivity.

BRIEF DESCRIPTION OF THE DRAWINGS The principal part sectional drawing which shows the electronic device of this invention, and the measuring apparatus of the electronic device,

2 is an explanatory diagram showing a measuring method of an electronic apparatus of the present invention;

3 is a sectional view showing the principal parts of another embodiment of an electronic device of the present invention;

4 is a sectional view showing the principal parts of a conventional electronic apparatus and a measuring apparatus of the electronic apparatus;

5 is an explanatory diagram showing a conventional method for measuring an electronic device.

※ Explanation of symbols for main parts of drawing

1: box body 2: frame body

2a: opening 2b: opening

2c: bottom wall 2d: hole

2e: hole 3: cover

3a: piece to keep fit 3c: hole

4: cover 4a: piece to keep fit

4b: hole 4c: hole

5: printed board 5c: hole

6: circuit pattern 10: holder

10a: recess 10b: hole

11 support member 12 guide rod

12a: Conical part 13: test pin

14: insulator 14a: jaw

15: spring 16: fixture

17: drive member 17a: movable part

In order to solve the above problems, as a first solution, a box-shaped box body formed of a rectangular frame having open portions on both upper and lower sides, a cover covering the open portion of the frame body, and a circuit pattern disposed in the box body, And a hole for penetrating the box body in a straight line in the vertical direction of the box body while providing a hole in the cover at a position facing the circuit pattern of the printed board. It was set as the structure provided in the cover.

As a second solution, a U-shaped frame body having an opening and a bottom wall, a box-shaped box body formed of a cover covering the opening of the frame body, and a printed circuit board disposed in the box body and having a circuit pattern And a hole in the cover or the bottom wall at a position opposite to the circuit pattern of the printed board and through the box body in a straight line in the vertical direction of the box body. It was set as the structure provided in the cover and the said bottom wall.

Moreover, as a 3rd solution means, it was set as the structure which provided two or more said holes which penetrate the said box body.

Further, as a fourth solution means, a cover is provided to face one or more first holes provided through the box body in a straight line in the up and down direction of the box body, and a circuit pattern formed in the printed circuit board disposed in the box body, or In the state where the guide rod was inserted into the first hole of the electronic device having the second hole provided in the bottom wall, a test pin was inserted into the second hole, and the test pin was brought into contact with the circuit pattern.

In addition, as a fifth solution, the support member supporting the guide rod and the test pin was driven to simultaneously drive the guide rod and the test pin.

As a sixth solution, the guide rod was inserted into the first hole at the conical portion provided at the tip of the guide rod.

Further, as a seventh solution, the test pin can be moved up and down with respect to the support member, and after the test pin contacts the circuit pattern, the test pin stops movement and at the same time, the support member can move. It was a method.

(Example)

Next, an embodiment of an electronic device of the present invention and a measuring method of the electronic device will be described with reference to FIGS. 1 and 2. FIG. 1 is a cross-sectional view showing main parts of an electronic device and a measuring device of the electronic device of the present invention. 2 is an explanatory diagram showing a measuring method of an electronic device.

As shown in Fig. 1, the electronic device of the present invention has a rectangular frame-shaped frame body 2 having open portions 2a and 2b on both sides of the upper and lower pieces, which have a rectangular shape and are folded and bent at the bottom to be held ( An upper cover 3 having 3a and a lower cover 4 having pieces 4a to be held therein are provided.

And the upper cover 3 to block the opening 2a of the frame 2 and the lower cover 4 to block the opening 2b of the frame 2, respectively, the frame 2 A box-shaped box body 1 is formed by sandwiching and holding the frame body 2 by pieces 3a and 4a which are covered and held.

In addition, a circuit pattern 6 including a desired wiring pattern and a measuring land is formed on the printed board 5, and although not shown here, electrical components such as coils, resistors, and capacitors are mounted on the printed board 5, Is configured to be connected to the circuit pattern 6.

In this way, the printed circuit board 34 on which the electric parts are mounted is housed in the box body 30 and installed.

Further, the lower cover 4 has a configuration in which holes 4b are provided at positions facing the circuit patterns 6 of the printed circuit board 5 provided in the box body 1.

In addition, the upper and lower covers 3 and 4 and the printed circuit board 5 are provided with circular holes 3c, 4c and 5c which penetrate the box 1 in a straight line in the vertical direction of the box 1. A plurality of holes 3c, 4c, and 5c are formed in the box body 1, and two holes are provided in this embodiment.

The electronic device having such a configuration is assembled and completed, and then measured and inspected by a specific circuit part to determine whether the electronic device has the desired electrical characteristics or performance.

The coil and the like are adjusted as necessary by this measurement and inspection to obtain an electronic device having desired characteristics and performance.

In the measuring device of the electronic device for the measurement as described above, as shown in Fig. 1, the holder 10 for holding the electronic device is provided with a recess 10a and a hole 10b for receiving the electronic device.

In addition, the support member 11 provided to be movable in the mounting portion (not shown) includes a plurality of circumferential guide rods 12 having a conical portion 12a at the tip, and an insulator 14 provided with a test pin 13. Is installed.

The insulator 14 is provided with a test pin 13 by installing a spring 15 between the jaw portion 14a and the support member 11 and inserting the support member 11 to install the fixture 16 on the opposite side. It is provided in the support member 11 so that it can move up and down.

In addition, a drive member 17 such as a motor is provided, and the movable part 17a provided on the drive member 17 is connected to the support member 11 to drive the drive member 17 via the movable part 17a. The support member 11 is moved up and down.

In the measuring method of the electronic apparatus of the measuring apparatus of the present invention having the above configuration, as shown in FIG. 2, the electronic apparatus is first placed and held in the recess 10a of the holder 10.

Next, the driving member 17 is driven in the state of FIG. 1 to move the supporting member 11 upward with the movable portion 17A.

Then, the conical portion 12a of the guide rod 12 is first inserted into the hole 4c of the cover 4 and moved upwards, so that the hole 4b of the cover 4 and the test pin are moved by the guide rod 12. Positioning with (13) is surely performed.

In addition, when the support member 11 is moved upward by the drive member 17, the guide rod 12 is inserted and penetrated into the hole 5c of the printed circuit board 5 and the hole 3c of the cover 3 in sequence. The positioning of the electronic device is performed accurately.

In the meantime, the test pin 13 is inserted into the hole 4b without being in contact with the cover 4, and the tip thereof is in contact with the circuit pattern 6.

After the test pin 13 is in contact with the circuit pattern 6, when the support member 11 is moved upward, the test pin 13 can be held in position by the spring 15. It becomes the state shown in 2.

In this state of FIG. 2, the characteristics, performances, and the like of the electronic device are measured and inspected, and the electronic device is adjusted as necessary.

After the measurement and inspection, the driving member 17 is driven to move the support member 11 from the state of FIG. 2 to the state of FIG. 1, and the measurement of the electronic device is completed.

Fig. 3 shows another embodiment of the electronic device of the present invention, in which the bottom wall 2c is provided on the frame body 2 constituting the box body 1 in place of the lower cover 4 of the embodiment. A plurality of holes 2e facing the hole 5c of the printed circuit board 6 are provided in the bottom wall 2c while providing the holes 2d through which the test pins 13 oppose the circuit pattern 6. The hole 2e is used for the guide book 12 to fit through, and the other structure is the same as that of the said Example, The same part is attached | subjected here, and the description is abbreviate | omitted.

In such electronic equipment, the measurement is performed by the above-described measuring apparatus in the same manner.

Electronic devices exist in various sizes, and accordingly, there are kinds of electronic devices having different heights in the vertical direction.

The guide rod 12 penetrates the box body 1 by providing a hole penetrating the box body 1 in the up and down direction of the box body 1, and the guide rod 12 having a high height. Since the tip of is located in the box 1, the guide rod 12 can be shared even with the box 1 having a different height.

Since the electronic device of the present invention has a hole in the printed circuit board and the cover penetrating the box body in the vertical direction of the box body, the hole can be used for positioning during measurement, which facilitates the measurement work and shortens the work. We can plan.

Moreover, the same measuring apparatus can be shared even if the height of a box body differs by providing the hole which penetrates a box body.

In addition, a hole is formed in the bottom wall of the printed circuit board and the frame body to penetrate the box body in the up and down direction of the box body. We can plan.

Moreover, the same measuring apparatus can be shared even if the height of a box body differs by providing the hole which penetrates a box body.

In addition, by providing a plurality of holes penetrating the box body, the box body can be positioned more accurately, and the work can be secured and shortened.

In addition, in the measuring method of the present invention, the guide rod is inserted into the hole penetrating the box body to perform the measurement, so that the box body can be positioned with the guide rod, which facilitates the measurement work and shortens the work. Can be.

In addition, since the guide rod and the test pin are moved to the support member at the same time, the test pin can contact the circuit pattern while positioning the box body to a predetermined position, and the work is very simple and easy, thereby improving workability. .

Further, by providing a conical portion at the tip of the guide rod, insertion of the guide rod into the hole can be facilitated, and the insertion operation of the guide rod into the hole can be performed more reliably.

In addition, by allowing the test pin to move up and down with respect to the supporting member, the test pin can follow the circuit pattern and make contact with the printed circuit even in the installation error of the printed board or a slight change in the mounting position, and even after the test pin contacts the circuit pattern. The support member can be moved, which makes it possible to have flexibility in the movement of the guide rod, and can ensure positioning and contact.

Claims (11)

A printed circuit board having a rectangular frame on the upper and lower sides and a box-shaped box formed by a cover covering the opening of the frame, and a printed circuit board disposed in the box and having a circuit pattern. The hole is provided in the cover at a position facing the circuit pattern of the electronic device, and the hole is provided in the printed circuit board and the cover in a straight line in the vertical direction of the box body. The method of claim 1, An electronic device is provided with a plurality of holes passing through the box body. A U-shaped frame body having an opening portion and a bottom wall, a box-shaped box body formed of a cover covering the opening portion of the frame body, and a printed circuit board disposed in the box body and having a circuit pattern. A hole is formed in the cover or the bottom wall at a position facing the circuit pattern of the substrate and a hole penetrating the box body in a straight line in the vertical direction of the box is formed in the printed board, the cover and the bottom wall. An electronic device, which is provided. The method of claim 3, An electronic device is provided with a plurality of holes passing through the box body. One or a plurality of first holes provided through the box body in a straight line in the vertical direction of the box body, and a second hole provided in the cover or the bottom wall facing a circuit pattern formed on the printed board disposed in the box body. And a test pin is inserted into the second hole in a state in which a guide rod is inserted into the first hole of the electronic device having the device, and the test pin is in contact with the circuit pattern. The method of claim 5, And a driving member supporting the guide rod and the test pin to simultaneously drive the guide rod and the test pin. The method of claim 6, And a guide rod inserted into the first hole from a conical portion provided at the tip of the guide rod. The method of claim 7, wherein And the test pin is movable up and down with respect to the support member, and after the test pin contacts the circuit pattern, the test pin stops movement and at the same time, the support member is movable. Method of measurement. The method of claim 6, And the test pin is movable up and down with respect to the support member, and after the test pin contacts the circuit pattern, the test pin stops movement and at the same time, the support member is movable. Method of measurement. The method of claim 5, And a guide rod inserted into the first hole from a conical portion provided at the tip of the guide rod. The method of claim 10, And the test pin is movable up and down with respect to the support member, and after the test pin contacts the circuit pattern, the test pin stops movement and at the same time, the support member is movable. Method of measurement.