JPH11277224A - Camera-integrated soldering iron - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a camera-integrated soldering iron capable of easily achieving the soldering to a small part. SOLUTION: The camera-integrated soldering iron is provided with a soldering iron 1, a compact CCD camera 2 which picks up the image of a heated tip part of the soldering iron and is provided in an attachable/detachable manner to/from the soldering iron, a signal processing box 7 to signal-process the picked-up image, and a TV monitor 8 to indicate the signal-processed image, and the soldering iron can be set to the target position while watching the tip part of the soldering iron indicated in the monitor, and the soldering to a small part can be easily and surely achieved. In addition, an image of excellent sensitivity can be obtained if a high-sensitivity camera is used, and any illumination can be omitted, and similar effect can be obtained even when the camera is equipped to other soldering iron.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera-integrated soldering iron, and can be applied to, for example, soldering to a fine portion or soldering an IC (integrated circuit) having a large number of pins. .

[0002]

2. Description of the Related Art Conventionally, when a fine electronic component is to be soldered, soldering has been performed using a magnifying glass or the like. In addition, when a shadow or the like appears on the tip of the soldering iron and it is dark, a spot for soldering has to be illuminated with a light in order to find a target pin.

[0003]

In the above-mentioned conventional soldering iron, when an attempt is made to solder to an IC pin having a large number of pins, a target pin is searched for and soldered accurately there. Had the disadvantage of being difficult.

The present invention has been made in view of the above points, and is intended to propose a camera-integrated soldering iron that can easily be soldered to a fine portion.

[0005]

SUMMARY OF THE INVENTION In order to solve this problem, a camera-integrated soldering iron of the present invention captures images of a soldering iron that melts solder by heating and a heated tip of the soldering iron. Comprising a camera detachably provided on the soldering iron, a signal processing circuit for performing signal processing on an image captured by the camera, and a monitor for displaying an image signal processed by the signal processing circuit. It is.

According to the camera-integrated soldering iron of the present invention,
It works as follows. Integrates the soldering iron with the camera, has a memory to store images for each field or frame, and simplifies finding the target location when soldering pins of an IC with a large number of pins For this purpose, marking is displayed on the image stored in the memory so that the image can be compared with the current image.

[0007]

Embodiments of the present invention will be described below in detail with reference to the drawings. In this embodiment, a soldering iron and a small CCD (Charge Coupled De) are used.
vice) integrated with a camera so that soldering of fine parts can be efficiently and easily performed. The details will be described below.

First, the configuration of the use state of the soldering iron with a CCD camera according to the embodiment of the present invention will be described. FIG.
, 1 is a soldering iron, 2 is a small CCD camera detachably mounted on the soldering iron so that the tip of the soldering iron can be imaged, and 3 is an instruction to capture a still image picked up by the small CCD camera. A still image capturing button provided on the soldering iron, 4 is a memory recall button provided on the soldering iron for instructing reading of a still image captured by the still image capturing button, and 5 is a small CCD camera mounted on the soldering iron. Detachable clip scissors, 6 is a marker X-axis adjustment dial for moving the marker display added to the still image read out by the recall button in the X-axis (left-right direction in the figure), 7 is imaged by a small CCD camera Signal processing circuit that performs signal processing such as capture or readout of a still image, addition and movement of a marker display, etc. Signal processing box having 8 is TV (television) monitor for displaying an image that has been subjected to signal processing by the signal processing box.

Here, the two small CCD cameras are provided so as to be able to adjust the angle in the vertical and horizontal directions with respect to the tip of the soldering iron so that the tip of the soldering iron can be imaged and displayed on the TV monitor 8. Have been.

[0010] The CC of the present embodiment configured as described above is
The use condition of the D-camera integrated soldering iron will be described. When soldering, the operator works while watching the image of the tip of the soldering iron displayed on the TV monitor 8. Soldering of fine chip components and ICs can be performed only by looking at the image displayed on the TV monitor 8.

Since the CCD of the small CCD camera 2 has high sensitivity, the tip of the soldering iron can be imaged on the TV monitor 8 with high sensitivity without illuminating the light.

In the present embodiment, in particular, a still image is captured or read by a memory described later with respect to an image captured by the small CCD camera 2, and a marker display is performed on the image read from the memory. Added and moved. Hereinafter, the use state in the soldering operation will be described.

FIG. 2 shows a place for soldering. A case where a lead wire is soldered to a certain pin of the IC 10 having a large number of pins as shown in FIG. 2 will be described. For example, FIG.
When attaching a lead wire to the 26th pin of the pin 12 of the IC 10, the operator first presses the still image capturing button 3. Next, while pressing the memory recall button 4, the operator counts the pins 1 to 26 in order using the positions of the other components 11 as a mark.

FIG. 3 shows an image on a TV monitor. FIG. 3A
When the operator presses the memory recall button 4 to turn on the memory recall button 4, as shown in FIG.
Can be displayed. Here, the operator turns the marker X-axis alignment dial 6 while pressing the memory recall button 4 to adjust the marker 13 to the position of the 26th pin.

Next, as shown in FIG. 3B, when the operator releases the memory recall button 4 and turns it off, the image at the time of soldering is the current soldering iron tip 1.
4 positions can be displayed. In this way, during the soldering process, the memory recall button 4
By pressing and releasing the soldering tip, the position of the tip 14 of the soldering iron can be adjusted to the position indicated by the marker 13 with respect to the IC 10, whereby the soldering can be performed smoothly while confirming the position of the pin without fail. Can be done.

In this case, the memory recall button 4 is turned ON only when the button is pressed, so that the memory image and the marker can be displayed. However, when the memory recall button 4 is pressed once, the memory recall button 4 is turned ON. The memory image and the marker may be displayed in such a manner that the button may be turned off when pressed again.

Next, the configuration of the signal processing box of the present embodiment will be described with reference to FIG. The signal processing box shown in FIG. 4 corresponds to the signal processing box 7 shown in FIG. 4, a lens 20 and a CCD 21 correspond to the small CCD camera 2 shown in FIG. The still image capturing button 3, the memory recall button 4, and the marker X-axis alignment button 6 correspond to those shown in FIG.

The video signal converted into an electric signal by the CCD 21 is a sample-and-hold 22, an automatic gain control, and an analog / digital conversion circuit (S / H) 22.
Automatic gain adjustment is performed for each predetermined sample by the AGC A / D, and converted into digital signal image data.
The image data of this digital signal is stored in a camera signal processing IC.
23 performs various signal processing such as matrix conversion and color correction.

The processed digital signal image data is stored in the memory 25 or the memory path 30 2.
It can be switched to one via the switch 31 via the path of the system. Image data of a digital signal passing through one path switched by the switch 31 is converted into an analog signal by a digital / analog conversion circuit (D / A) 27. This analog signal is output as a video image after the marker is synthesized by the character generator 28 and supplied to the TV monitor 8 at the subsequent stage.

A microcontroller (hereinafter, referred to as a microcomputer) 29 drives a CCD 21 by a CCD drive signal and supplies a master clock of an IC constituting each circuit to a timing generator (TG) 2.
4. Camera signal processing IC 23, memory controller 2 for controlling writing or reading of memory 25
6 and the operation of the character generator 28 are controlled by control signals. Here, the microcomputer 29 controls the character generator 28 so that the marker is synthesized only with the analog signal of the system of the memory 25.
Control.

When the power of the soldering iron 1 is turned on, a small C
The microcomputer 29 controls the image captured by the CD camera 2 to be displayed on the TV monitor 8.

Here, when the still image capturing button 3 is pressed by the operator, the microcomputer 29 controls the memory controller 26 to capture the image data captured by the small CCD camera 2.

When the memory recall button 4 is pressed by the operator, the microcomputer 29 switches the switch 31 so that the image data previously taken into the memory controller 26 is read out and output via the memory path. Control.
At this time, the fixed contact a of the switch 31 is connected to the movable contact c.

At the same time, the microcomputer 29 controls the character generator 28 to output image data obtained by synthesizing the marker 13 shown in FIG. 3A.

At this time, when the operator turns the marker X-axis alignment dial 6, the microcomputer 29 changes the position of the marker synthesized on the image data by the character generator 28 to be displayed on the TV monitor 8.

When the operator releases the memory recall button 4 and turns it off, the microcomputer 29 controls the memory controller 26 to switch the switch 31 so that the image data is output via the memory path 30. . At this time, the fixed contact a of the switch 31 is connected to the movable contact b.

When the operator presses the still image capture button 3 again, the microcomputer 29 controls the memory controller 26 to capture the image data captured by the small CCD camera 2 again.

The camera-integrated soldering iron of this embodiment is
Soldering iron 1 that melts the solder by heating, a small CCD camera 2 as a camera detachably mounted on the soldering iron, taking an image of the heated tip of the soldering iron, and an image taken by the camera Signal processing box 7 as a signal processing circuit for signal processing, and a TV monitor 8 as a monitor for displaying an image processed by the signal processing circuit, so that the tip of the soldering iron displayed on the monitor is provided. You can adjust the soldering iron to the desired position while watching it, so it is easy and reliable to solder to fine parts, and if you use a high-sensitivity camera, you can obtain high-sensitivity images So you do n’t need lighting,
Moreover, the same effect can be obtained even if the camera is mounted on another soldering iron.

In the camera-integrated soldering iron of the present embodiment, the signal processing circuit has a memory 25 for storing an image picked up by the camera for each field or frame. Since the field image or frame image was read,
A still image to be compared with the current image can be obtained, thereby making it easy to perform positioning.

Further, in the camera-integrated soldering iron of the present embodiment, in the above description, the signal processing circuit adds a marking display at an arbitrary position to the image read from the memory 25. By adding a marking display to a target position, the target position can be visually recognized.

The camera-integrated soldering iron according to the present embodiment, as described above, stores a field image or a frame image in the memory 25, or reads a stored field image or a frame image as a still image as an operation switch. Since the capture button 3 and the memory recall button 4 are provided on the soldering iron, the operator can alternately capture or read a still image during the soldering operation.

Further, in the camera-integrated soldering iron of the present embodiment, in the above description, the signal processing circuit enables the marking display to move in a predetermined direction, so that the signal processing circuit counts the number of pins of the integrated circuit at the target position. Positioning can be performed.

Further, in the camera-integrated soldering iron of the present embodiment, the marker X-axis alignment dial 6 as the operation dial for instructing the marking display to be movable in a predetermined direction is provided on the soldering iron. Therefore, the operator can arbitrarily perform the operation of moving the marking display for the still image during the soldering operation.

[0034]

The camera-integrated soldering iron of the present invention is provided with an image of the soldering iron that melts the solder by heating and the heated tip of the soldering iron, and is detachably mounted on the soldering iron. A camera, a signal processing circuit that performs signal processing on an image captured by the camera, and a monitor that displays an image that has been signal processed by the signal processing circuit. Since you can adjust the soldering iron to the desired position while looking at the tip,
Soldering to minute parts can be done easily and reliably, and if a high-sensitivity camera is used, high-sensitivity images can be obtained, so there is no need for illumination and the camera can be mounted on other soldering irons. There is an effect that the same effect can be obtained even when the camera is mounted.

The camera-integrated soldering iron of the present invention is
In the above, the signal processing circuit includes a memory that stores an image captured by the camera for each field or frame, and reads out a field image or a frame image stored in the memory. You can get still images to compare,
Thereby, there is an effect that alignment can be easily performed.

The camera-integrated soldering iron of the present invention
In the above description, the signal processing circuit adds a marking display at an arbitrary position to the image read from the memory, so that the marking display is added at the target position to visually check the target position. This has the effect of being able to recognize

The camera-integrated soldering iron of the present invention
In the above description, the operation switch for storing the field image or the frame image in the memory or reading the stored field image or the frame image is provided on the soldering iron. Alternatively, there is an effect that the reading operation can be performed alternately.

Further, the camera-integrated soldering iron of the present invention
In the above, since the signal processing circuit makes the marking display movable in a predetermined direction, there is an effect that the positioning can be performed while counting the number of pins of the integrated circuit which is the target position.

The camera-integrated soldering iron of the present invention
In the above description, since the operation dial for instructing the marking display to be movable in a predetermined direction is provided on the soldering iron, the operator can arbitrarily perform the operation of moving the marking display on the still image during the soldering operation. This has the effect.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing a use state of a CCD camera-integrated soldering iron according to an embodiment of the present invention.

FIG. 2 is a diagram showing locations where soldering is performed according to the embodiment of the present invention.

FIG. 3 is a diagram showing an image on a TV monitor according to an embodiment of the present invention. FIG. 3A is an image when a memory recall button is ON and a still image is captured, and FIG. 3B is an image when the memory recall button is OFF and soldering is performed. It is a video at the time of attaching.

FIG. 4 is a block diagram illustrating a configuration of a signal processing box according to the embodiment of the present invention.

[Explanation of symbols]

1 solder iron 2 small CCD camera 3 still image capture button 4 memory recall button 5
... clip scissors, 6 ... marker X-axis alignment dial, 7 ... signal processing box, 8 ... TV monitor, 1
0: IC, 11: Other parts, 12: Pin, 1
3 ... Marker, 14 ... Soldering iron tip, 20 ... Lens, 21 ... CCD, 22 ... Sample hold, auto gain control and analog / digital conversion circuit (S / HAGC A / D), 23 ... ... Camera signal processing IC, 24 ... Timing generator (TG),
25 ... memory, 26 ... memory controller,
27 ... Digital-to-analog conversion circuit (D / A), 28
…… Character generator, 29 …… Microcomputer,
30 ... Memory path, 31 ... Switch

Claims (6)

[Claims] 1. An image of a soldering iron that melts solder by heating, a heated tip of the soldering iron, a camera detachably provided on the soldering iron, and an image captured by the camera. A camera-integrated soldering iron, comprising: a signal processing circuit for performing signal processing on an image; and a monitor for displaying an image processed by the signal processing circuit. 2. The camera-integrated soldering iron according to claim 1, wherein the signal processing circuit includes a memory for storing an image captured by the camera for each field or frame, and the field stored in the memory. A camera-integrated soldering iron characterized in that an image or a frame image is read. 3. The camera-integrated soldering iron according to claim 2, wherein the signal processing circuit adds a marking display at an arbitrary position to the image read from the memory. A camera-integrated soldering iron. 4. The camera-integrated soldering iron according to claim 2, wherein an operation switch for storing a field image or a frame image in the memory or for reading out the stored field image or the frame image is provided on the soldering iron. A camera-integrated soldering iron provided. 5. The camera-integrated soldering iron according to claim 3, wherein the signal processing circuit enables the marking display to move in a predetermined direction. 6. The camera-integrated soldering iron according to claim 5, wherein an operation dial for instructing the marking display to be movable in a predetermined direction is provided on the soldering iron. hand.