KR100661845B1 - Mini-fuse receptacle connection checking device of junction box - Google Patents

Abstract

A mini-fuse receptacle connection checking device of a junction box is provided to enhance a speed of checking process and an efficiency of equipment cost by performing the checking process of the mini-fuse connection on the basis of a predetermined receptacle position value and set value of the reflected amount of light. In a mini-fuse receptacle connection checking device of a junction box, a memory device(160) made of conductive metal material in the junction box stores a position value of each receptacle and a set value of the light reflection amount for each receptacle position from an image under a state of the plurality of mini-fuse connection receptacle to be connected. A photographing device(130) photographs an image of exposed upper box connected with the mini-fuse connection receptacle. A checking device(140) receives the currently photographed upper box image from the photographing device(130), analyzes a position of the receptacle in the received upper box image through the position value of the receptacle position stored at the memory device(160) previously compares the analyzed the light reflection amount of the received image with standard information of the light reflection amount stored at the memory device(130) in advance, and confirms the connection of the receptacle with respect to the photographed upper box image. A monitoring device(150) displays the currently photographed upper box image transmitted from the photographing device(130) and a result of the checking process about the connection of the receptacle transmitted from the checking device(140) to a worker.

Description

MINI-FUSE RECEPTACLE CONNECTION CHECKING DEVICE OF JUNCTION BOX}

1 is an exploded perspective view showing the structure of a junction box to which the present invention is applied.

Figure 2 is a perspective view showing a mini fuse insertion receptacle fastening state of the junction box to which the present invention is applied.

Figure 3 is a plan view showing a receptacle for fastening the mini-fuse insertion of the junction box to which the present invention is applied.

Figure 4 is a perspective view of the mini-fuse insertion receptacle to which the present invention is applied.

Figure 5 is a view showing a fastening inspection apparatus of the mini-fuse insertion receptacle in the junction box to which the present invention is applied.

<Description of the symbols for the main parts of the drawings>

10: junction box 11: upper case

12: lower case 13: circuit board

13a: insulation plate 13b: metal bus layer

14: input / output connector 15: connection terminal

16: Mini Fuse Insertion Receptacle 17: Relay Insertion Receptacle

18: mini-fuse 19: relay

120: fixed device 130: imaging device

140: reading device 150: monitoring device

160: memory device 170: warning device

The present invention relates to a fastening inspection apparatus for a minifuse insertion receptacle in a junction box, and a photograph of whether the minifuse insertion receptacle is fastened to a circuit board in advance in order to insert a mini-fuse in a junction box. The present invention relates to a fastening inspection apparatus for a minifuse insertion receptacle in a junction box, which can be easily inspected to increase efficiency and product reliability and shorten working time according to mass production.

In general, the electric device of the vehicle can be compared to the nervous system, and the electric vehicle can only properly exhibit its performance until the electric device is normally operated.

The electric device of such a vehicle can be divided into an engine-side device and a vehicle-side device. The engine-side device includes an ignition device consisting of an ignition coil, a distributor high voltage cable, a spark plug, and a charging device including a generator and a regulator. In addition, the vehicle-side electric device includes a battery, a lighting device for lighting, a sign, a signal, an instrument warning display device and an air conditioner / heating device installed in an instrument panel, and the like.

All of the vehicle's electrical devices are wired and connected to an electronic control unit (ECU) computer inside the engine room of the vehicle. At this time, a junction box is used as an intermediate medium connecting the wires and the ECU to each other. ) Is used.

1 is an exploded perspective view showing the structure of a junction box to which the present invention is applied.

As shown in FIG. 1, the junction box 10 includes an upper case 11 into which various elements such as a minifuse 18 and a relay 19 are inserted, and a lower case into which an input / output connector 14 is inserted. 12 is provided as an outer case, and a plurality of circuit boards 13 are stacked and inserted between the upper case 11 and the lower case 12.

In this case, the circuit board 13 distributes the current input between the insulating plates 13a by allowing one metal bus layer 13b to be surface-coupled to one insulating plate 13a. A plurality of circuit boards 13 are stacked and inserted into several layers.

The metal bus layer 13b is formed with connection terminals 15 which are bent upwards or downwards, and protruded through the circuit boards 13 stacked on top of the upper connection portions 15. 11 is selectively connected by various mini-fuse 18, relay 19, etc., protruding downward, the connection terminals 15 are connected to the input / output connector 14 through the lower case 12 will be.

Here, in order to connect the mini-fuse 18 to the metal bus layer 13b, a large number of mini-fuse insertion receptacles (not shown) are first fastened to the connection terminal 15. 18) Before connecting them, it is necessary to first check whether the receptacles are correctly fastened to the designated connection terminals.

However, in order to find out whether the mini-fuse receptacle is fastened to the corresponding connection terminal in the actual process, there was no other action than checking with the eyes of the worker, so a lot of working time in the process for mass production of the junction box Delay and inefficiency of the system could be incurred. Furthermore, the operator's visual receptacle checking of such multiple mini-fuse insertion receptacles is not really reliable, which leads to frequent insertion errors when the fuse is inserted, as well as to finished products. There is also a problem that the reliability is also very low.

The present invention has been made to solve the above problems, its purpose is to mass inspection by simply inspecting the fastening of the mini fuse insertion receptacles pre-fastened to the circuit board for mini fuse insertion in the junction box to the mass production It is to provide a fastening inspection device of the mini-fuse insertion receptacle in the junction box to increase the efficiency and product reliability of the work process according to the reduction.

The fastening inspection apparatus of the mini-fuse insertion receptacle in the junction box according to the present invention for achieving the above object, in the inspection device for inspecting the fastening state of the receptacle for mini-fuse insertion at the top of the vehicle junction box, the junction box An imaging device for capturing the exposed upper box image by fastening the mini-fuse insertion receptacle in the upper part; Receiving the upper box image taken from the image pickup device, the position of the receptacle in the upper box image through the position value for each receptacle in the image previously stored in the memory device, and at the receptacle position in the identified upper box image A reading device for comparing the light reflection amount of the light source with the standard information of the light reflection amount setting value pre-stored in the memory device to read whether or not the receptacle is fastened to the upper box image during the process; And a monitoring device displaying an upper box image transmitted from the imaging device, and displaying a reading result on whether a receptacle is fastened from the corresponding reading device to a worker. Characterized in that it comprises a.

Preferably, it characterized in that it further comprises a warning device that informs the operator audibly or visually the result of reading whether the receptacle is delivered from the reading device.

More preferably, it further comprises a fixing device for performing a fixing and position correction function so that the junction box, which is an object to be photographed by the imaging device is located at a predetermined shooting position.

Hereinafter, with reference to the accompanying drawings will be described a fastening inspection device of the mini-fuse insertion receptacle in the junction box according to an embodiment of the present invention.

First, a minifuse insertion receptacle of a junction box to which the present invention is applied will be described with reference to FIGS. 2 and 3.

2, a plurality of circuit boards 13 are stacked and inserted in the junction box 10.

The metal bus layer 13b constituting the circuit board 13 includes a plurality of connection terminals 15 which are bent upwards or downwards to protrude, and the protruding connection terminals 15 are stacked on top of each other. 13 is protruded to the upper case 11 and selectively connected by various mini-fuse or relay.

Here, in order for these mini-fuses to be connected to the metal bus layer 13b, a large number of mini-fuse insertion receptacles 16 must be fastened to the connection terminal 15 first.

3 shows a state in which the minifuse insertion receptacle 16 is fastened to the connection terminals 15 of the metal bus layer 13b as a plan view.

Referring to FIG. 3, the junction box 10 of a single model mass-produced for each vehicle type has a predetermined fastening position of a predetermined unified mini-fuse insertion receptacle 16, and the mini-fuse insertion receptacle 16 is fixed. The fastening state can be visually confirmed on the upper case 11, that is, the upper part.

This minifuse insertion receptacle 16 is shown in FIG. 4A.

The mini-fuse insertion receptacle 16 is a medium for smooth electrical conduction between the connection terminal 15 and the mini-fuse, and is formed of a conductive metal material. Therefore, the mini-fuse insertion receptacle 16 has a light reflectivity to some degree of light.

4b shows a minifuse inserted into the minifuse insertion receptacle 16.

Now, the minifuse insertion receptacle fastening inspection device for the junction box 10 in which the plurality of minifuse insertion receptacles 16 are fastened will be described with reference to FIG. 5.

As shown in FIG. 5, the mini-fuse insertion receptacle fastening inspection device includes a fixing device 120, an imaging device 130, a reading device 140, a monitoring device 150, a memory device 160, and a warning device. And 170.

The fixing device 120 functions to fix the junction box 10 which is transferred or directly seated through a fan belt or the like at a predetermined position. The fixing device 120 is a shooting position determined for shooting in a state in which the upper case 11 where the minifuse insertion receptacle 16 of the junction box 10 is positioned is directed toward the upper portion, that is, the imaging device 130. The junction box 10 is located at. Furthermore, the fixing device 120 may also perform a function of finely moving and correcting the position of the junction box 10 so that the junction box 10 is accurately positioned at a predetermined shooting position.

The imaging device 130 captures an image of the upper box of the junction box 10 in which the mini-fuse insertion receptacle 16 is exposed on the upper portion at the position determined by the fixing device 120.

In this case, the imaging device 130 is interlocked with the fixing device 120 to obtain an upper box image of the junction box 10 in a predetermined state. That is, the predetermined fixing device 120 is fixed in advance. It informs the imaging device 130 that the junction box 10 is located at the position, and accordingly, the imaging device 130 accurately photographs the upper box image of the junction box 10 in a predetermined state.

Here, the upper box image of the junction box 10 taken by the imaging device 130 is transmitted to the reading device 140 and the monitoring device 150.

The monitoring device 150 is a display device that displays an image of the upper box of the junction box 10 transmitted from the imaging device 130 so that an operator can recognize it.

In addition, the reading device 140 receives the upper box image of the junction box 10 transmitted from the imaging device 130, analyzes the transferred upper box image, and transmits the image to the junction box 10 through the upper box image. The minifuse insertion receptacle 16 performs a function of reading whether or not it is correctly engaged.

The reading function of the reading device 140 will be described in more detail. The reading device 140 first obtains an image of the upper box of the junction box 10 from the image capturing device 130, and the memory device 160. In the process of comparing with the upper position reflection sample value previously stored in the) will be read whether the mini-fuse insertion receptacle 16 is correctly fastened to the junction box 10 in the process.

In other words, in the memory device 160, the position value for each receptacle position on the picture of the state where the mini-fuse insertion receptacle 16 is correctly fastened to the junction box 10 and the setting of the light reflection amount for the corresponding receptacle position The value is stored.

Therefore, using the set value of the receptacle position value and the light reflection amount, the reading device 140 selects pixels (pixel blocks) in the image corresponding to the receptacle position value in the upper box image transmitted from the imaging device 130. By retrieving and estimating whether the amount of light reflection at the pixels is above the set value, the correct receptacles are read.

That is, when capturing the upper box image of the junction box 10 through the imaging device 130, the minifuse insertion receptacle 16 made of a conductive metal material may have some degree of light reflectivity in the photographic image. The reading device 140 may read whether or not the receptacle is engaged at the correct position by using a predetermined receptacle position value and a light reflectance setting value for the photographic image.

The correct fastening of the receptacle read in the reading device 140 is again visually displayed on the monitoring device 150 and audibly recognized by the operator through the warning device 170, so that the worker immediately recognizes the incorrect receptacle. The fastening state (bad fastening junction box) can be checked through sight and hearing.

The warning device 170 is preferably a general acoustic speaker, it may be configured to give a more reliable visual failure warning effect made of a flashing beacon.

Here, since the readout of the receptacle of the corresponding reading device 140 is read by the predetermined receptacle position value and the light reflectance setting value, the upper box image of the junction box photographed by the imaging device 20 is a color image. Of course, the use of black and white images is more reasonable in terms of speed of process and efficiency of device configuration costs.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited to the drawing.

As described above, the fastening inspection apparatus of the minifuse insertion receptacle in the junction box according to the present invention, the fastening of the minifuse insertion receptacle pre-fastened to the circuit board for inserting the fuse in the junction box simply through a photograph. By inspecting, there is an effect of increasing the efficiency and product reliability of the work process according to mass production and reducing the work time.

In addition, since the reading of whether the minifuse receptacle is fastened or not is made by a predetermined receptacle position value and a light reflectance setting value, the image capturing device can be configured as a black and white image capturing device so that the overall reading process speed and There is also an effect that the efficiency of the device configuration cost is improved.

Claims (3)

In the inspection device for inspecting the fastening state of the receptacle for the fuse insertion in the upper portion of the vehicle junction box, The receptacle position value and the setting value of the light reflection amount for each receptacle position are stored in the image of a state where a plurality of minifuse insertion receptacles formed of a conductive metal material in the junction box having predetermined light reflection characteristics are fastened. Memory devices; An image capturing apparatus for capturing the exposed upper box image by fastening the mini fuse inserting receptacle in the junction box; Receiving the image of the upper box image currently captured from the image pickup device, first to determine the position of the receptacle in the currently captured upper box image through the position value for each receptacle in the image previously stored in the memory device, A reading device that reads whether or not a receptacle is fastened to a currently photographed upper box image during the process by comparing the light reflection amount of the image with respect to the receptacle position in the upper box image to standard information of the light reflection amount setting value previously stored in the memory device; And A monitoring device which displays a current photographed upper box image transmitted from the imaging device and displays a reading result on whether a receptacle is fastened from the corresponding reading device to a worker; Fastening inspection device of the mini-fuse insertion receptacle in the junction box comprising a. The method of claim 1, And a warning device for audibly or visually notifying a worker of a reading result of whether the receptacle is delivered from the reading device. The method according to claim 1 or 2, And a fixing device configured to perform a fixing and position correction function such that the junction box, which is a target to be photographed by the imaging device, is positioned at a predetermined shooting position.

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