JP2017153206A - Update method for electronic apparatus, and electronic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an update method for an electronic apparatus capable of easily implementing work for exchanging and mounting a digital electronic component on a job site.SOLUTION: In an electronic apparatus, a terminal block connected to an external cable and an existent electronic component connected to the terminal block are accommodated within an apparatus housing. An update method for the electronic apparatus includes: removing the existent electronic component through a housing opening that is provided on the apparatus housing; preparing a component mount panel including a holding hole; and, in a state where the component mount panel is fixed to the apparatus housing in such a manner that the housing opening is closed by the component mount panel with which a new electronic component is fitted into the holding hole, connecting the new electronic component fixed to the component mount panel with the terminal block.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an electronic device update method and an electronic device.

  Regarding electronic devices such as a protective relay device and a monitoring control device installed in an electric station of a power system such as a substation, the following Patent Document 1 states that “the product unit of a digital protective relay device is a protective relay panel. In many cases, the board is shipped assembled as a panel and installed on-site, but in the scene of modification or repair, only the computing unit is removed and installed. In many cases, it is desirable to use one protection relay unit, and it is desirable that the operation test method is suitable not for each panel but for each protection relay unit. "

JP 2012-80600 A

  In the electronic device as described above, when retrofitting device replacement is performed to replace a plurality of electronic components housed in the device housing with the latest digital electronic components, wiring between the replaced new digital electronic components and high voltage bus The on-site work for wiring the cable was a very time-consuming work.

  SUMMARY OF THE INVENTION An object of the present invention is to provide an electronic device updating method and an electronic device that can easily carry out replacement and mounting work of digital electronic components on site.

In order to solve the above problems, for example, the configuration described in the claims is adopted.
The present application includes a plurality of means for solving the above problems. To give an example, a terminal block connected to an external cable and an existing electronic component connected to the terminal block are accommodated in the apparatus housing. In the electronic device, the existing electronic component was removed from the accommodation opening provided in the device casing, a component mounting panel provided with a holding hole was prepared, and the newly installed electronic component was fitted into the holding hole. An electronic device for connecting the terminal block to a new electronic component fixed to the component mounting panel, with the component mounting panel fixed to the device housing so as to close the housing opening by the component mounting panel It is an update method. Moreover, it is an electronic device obtained by this updating method.

  According to the present invention, it is possible to easily carry out the replacement mounting operation of the electronic component on the site when the retrofit type apparatus is updated. Problems, configurations, and effects other than those described above will be clarified by the following description of embodiments.

It is a flowchart which shows the update method of the electronic device of embodiment. It is FIG. (1) explaining the update method of the electronic device of embodiment. It is FIG. (2) explaining the update method of the electronic device of embodiment. FIG. 6 is a third diagram illustrating the electronic device update method according to the embodiment; It is a figure explaining the structure of a component attachment panel. It is a figure (the 4) explaining the update method of the electronic device of embodiment, and is a figure explaining the structure of the updated electronic device.

  Embodiments of an electronic device update method and an electronic device obtained by the update method according to the present invention will be described below in detail in this order based on the drawings.

≪Electronic device update method≫
FIG. 1 is a flowchart illustrating an electronic device update method according to the embodiment. FIGS. 2 to 6 are diagrams illustrating an electronic device update method according to the embodiment. The electronic device update method described with reference to these drawings is based on the latest equipment installed on the site in the electric station, such as a protective relay device and a monitoring control device installed in the electric station of the power system such as a substation. This is a retrofit-type device update method for updating the device. In the following, an embodiment adopting a retrofit type will be described first with reference to the configuration of an existing electronic device to be updated, and then referring to FIGS. 2 to 6 according to the procedure of the flowchart of FIG. A method for updating the electronic apparatus will be described.

<Existing electronic devices>
The electronic device 200 illustrated in FIG. 2 is an existing electronic device 200 that is a target of retrofit device update. The electronic device 200 includes a device housing 100 and electronic components 200 a to 200 f housed in the device housing 100. In the retrofit type device update of the embodiment described below, these existing electronic components 200a to 200f are replaced with the latest digital electronic components while leaving the device housing 100. The configuration of the device casing 100 that is used even after the device is updated is as follows.

<Device housing 100>
The apparatus housing 100 accommodates the electronic components 200a to 200f. As shown in FIG. 3, the apparatus housing 100 is provided with an accommodation opening 100a for arranging and accommodating the electronic components 200a to 200f on one main surface side. ing. Furthermore, although illustration is omitted here, it is assumed that the apparatus housing 100 is provided with a working opening at a position facing the accommodation opening 100a. In addition, a terminal block 101 is accommodated in the device casing 100, and an external cable 103 connected to the terminal block 101 is extended outside the device casing 100.

  The housing opening 100 a is provided on the main surface of the device housing 100 and has a size that allows the electronic components 200 a to 200 f housed in the device housing 100 to be arranged side by side. A plurality of screw holes 105 are provided around the accommodation opening 100a. These screw holes 105 are for fixing the electronic components 200 a to 200 f to the apparatus housing 100. As an example, the screw holes 105 are provided at equal intervals around the accommodation opening 100a.

  Although the apparatus housing 100 is provided with a working opening on the side opposite to the housing opening 100, the frame portion surrounding the housing opening 100a is hinged without providing the working opening. It is good also as the operation | work from the back side is possible with respect to the accommodation opening 100a by making it the door shape which can be opened and closed by fixing by.

  The terminal block 101 is provided with a plurality of terminals to which wires extending from the electronic components 200a to 200f accommodated in the apparatus housing 100 are connected. For example, in the lower part of the accommodation opening 100a, the apparatus housing It is attached inside the body 100. The external cable 103 is connected to the terminal block 101, pulled out of the apparatus housing 100, and connected to the power system.

  The retrofit-type device update procedure of the existing electronic device 200 having the above-described configuration is performed by the following procedure as shown in the flowchart of FIG.

<Step S1>
First, in step S1, the existing electronic components 200a to 200f are removed from the device casing 100 of the electronic device 200 described above, which is a device update target. As shown in FIG. 2, the electronic device 200 is configured by housing a plurality of electronic components 200 a to 200 f inside the device housing 100. First, the electronic components 200 a to 200 f and the terminal block 101 are connected. After the release, the plurality of electronic components 200 a to 200 f are removed from the apparatus housing 100.

  As a result, as shown in FIG. 3, the housing opening 100a of the apparatus housing 100 is emptied, and the housing opening 100a is opened in a series of sizes. Note that a holding housing for individually fixing each electronic component to the device housing 100 may be left in the housing opening 100 a of the device housing 100. In this case, by removing these holding housings from the device housing 100, the accommodation openings 100a are made a series of openings.

  In this state, the terminal block 101 attached to the device casing 100 and the external cable 103 extending from the terminal block 101 to the outside remain in the device casing 100 as they are. Further, in this state, a plurality of electronic components 200 a to 200 f that have been removed and a holding housing for holding them are fixed around the housing opening 100 a of the device housing 100. Screw holes 105 are left at regular intervals, for example.

<Step S2>
Next, in step S2, as shown in FIG. 4, the component mounting panel 10 is attached to the apparatus housing 100 from which the electronic component has been removed.

  As shown in FIG. 5, the component mounting panel 10 has a plate shape having a size enough to close the housing opening 100 a of the apparatus housing 100. Such component mounting panel 10 is provided with holding holes 10a to 10e into which new digital electronic components 20a to 20e are fitted, and a plurality of wirings 11 are fixed to one main surface side. Further, the component mounting panel 10 is provided with a plurality of screw holes 15 at the peripheral portion thereof.

  Each of the holding holes 10a to 10e has a size and a shape in which each of the digital electronic components 20a to 20e used for updating the apparatus is individually fitted and held.

  The wiring 11 is fixed to a surface of the component mounting panel 10 that faces the device housing 100 side. These wirings 11 are provided with connection terminals 11a that can be connected to the digital electronic components 20a to 20e and the terminal block 101 at both ends. At least one connection terminal 11a (not shown here) is provided in the holding hole 10a. To 10e.

  Such wiring 11 is provided with connection terminals 11a at both ends, thereby connecting between the digital electronic components 20a to 20e held in the holding holes 10a to 10e, and the newly installed digital electronic components 20a to 20e and the device housing. The terminal block 101 of the body 100 can be connected. Further, since the connection terminal 11a is arranged close to the holding holes 10a to 10e, the connection between the new digital electronic components 20a to 20e using the wiring 11 and the connection between the digital electronic components 20a to 20e and the terminal block 101 is achieved. The relationship becomes clear and miswiring can be prevented.

  The screw holes 15 need to correspond to some of the plurality of screw holes 105 provided at equal intervals around the housing opening 100a in a state where the housing opening 100a of the apparatus housing 100 is closed by the component mounting panel 10. It is provided at a position. Such screw holes 15 are provided at four locations near the four corners of the component mounting panel 10 as an example.

  The component mounting panel 10 as described above is not only formed with the holding holes 10a to 10e and the screw holes 15 in advance before being carried to the site in the electric station where the apparatus is updated. It is assumed that the wiring 11 is prepared in a fixed state in accordance with a newly installed digital device.

  Returning to FIG. 4, the component mounting panel 10 as described above is directed toward the device housing 100 with the surface on which the wiring 11 is fixed, closing the housing opening 100 a of the device housing 100, and a plurality of holding holes 10 a to 10 e. Are arranged so as to face all of the accommodation openings 100a. In this state, the screw holes 15 of the component mounting panel 10 described above are made to correspond to the screw holes 105 provided in the device casing 100, and the component mounting panel 10 is attached to the device casing 100 using the screws 17. And fix.

  In this state, it is not necessary to connect the wiring 11 of the component mounting panel 10 to the terminal provided on the terminal block 101 of the apparatus housing 100.

<Step S3>
Next, in step S3, the newly installed digital electronic component is mounted on the component mounting panel 10. Here, as shown in FIG. 6, new digital electronic components 20 a to 20 e are fitted into the holding holes 10 a to 10 e of the component mounting panel 10 attached to the device housing 100 from the outside of the device housing 100, The digital electronic components 20a to 20e are held in the holding holes 10a to 10e.

  In this state, the digital electronic components 20 a to 20 e are fixed to the component mounting panel 10. In this case, the digital electronic components 20 a to 20 e are fixed to the component mounting panel 10 by, for example, screwing using screws 21.

  As described above, first, after fixing the component mounting panel 10 to the apparatus housing 100, the procedure for fixing the newly installed digital electronic components 20 a to 20 e to the component mounting panel 10 can be performed at a site in an electric station. The digital electronic components 20a to 20e are fixed only by an operation of handling a lightweight single object.

<Step S4>
Next, in step S <b> 4, the digital electronic components 20 a to 20 e fitted in the holding holes 10 a to 10 e of the component mounting panel 10 are connected to each other via the wiring 11. In addition, the terminal block 101 of the apparatus housing 100 and the digital electronic components 20 a to 20 e are connected via the wiring 11.

  At this time, the door shape of the frame portion of the housing opening 100a provided with the component mounting panel 10 is opened by work from the work opening provided in the apparatus housing 100, with respect to the component mounting panel 10. Then, the connection work through the wiring 11 described above is performed by work from the side opposite to the side where the digital electronic components 20a to 20e are fitted.

  As described above, the electronic device 1 updated by incorporating the latest digital electronic components 20a to 20d into the existing device housing 100 is obtained.

≪Electronic device 1≫
The electronic device 1 renewed as described above has a device housing 100 provided with a housing opening 100a as shown in FIG. The component mounting panel 10 is fixed to the device casing 100 in a state of closing the accommodation opening 100a. The component mounting panel 10 has a plurality of holding holes 10a to 10e facing the accommodation opening 100a, and the digital electronic components 20a to 20d are fixed to the component mounting panel 10 in a state of being fitted in the holding holes 10a to 10e. ing.

  The apparatus housing 100 accommodates a terminal block 101 connected to an external cable 103, and the digital electronic components 20 a to 20 d are connected to each other via wiring 11 fixed to the component mounting panel 10. And connected to the terminal block 101. Here, the wiring 11 is fixed to the surface of the component mounting panel 10 that faces the device housing 100, and includes connection terminals 11a at both ends. The connection terminal 11a can be freely connected to the digital electronic components 20a to 20e and the terminal block 101. Then, at least one connection terminal 11a of both ends of the wiring 11 is fixed to the component mounting panel 10 in a state of being close to the holding holes 10a to 10e.

<< Effects of Embodiment >>
According to the embodiment described above, when retrofitting type device updating is performed, the device casing is provided via the component mounting panel 10 in which the holding holes 10a to 10e for holding the digital electronic components 20a to 20e are provided in advance. Since the configuration is such that the digital electronic components 20a to 20e are attached to 100, the digital electronic components 20a to 20e can be easily attached to the apparatus housing 100, and the work on the installation site can be simplified.

  In particular, the use of the component mounting panel 10 to which the wiring 11 is fixed in advance not only improves the ease of work in the field in the connection between the digital electronic components 20a to 20e and the connection to the terminal block 101. , Human errors such as wiring mistakes by workers can be reduced.

  In addition, since the component mounting panel 10 may be processed according to the existing apparatus housing 100, it is a highly versatile method applicable to any apparatus housing.

  In the embodiment described above, after the component mounting panel 10 is fixed to the apparatus housing 100 in step S2, new digital electronic components 20a to 20e are installed in the holding holes 10a to 10e of the component mounting panel 10 in step S3. The procedure was to hold. However, this procedure may be reversed, and the digital electronic components 20a to 20e may be held in advance in the holding holes 10a to 10e, and then the component mounting panel 10 may be fixed to the apparatus housing 100. In this case, the digital electronic components 20a to 20e are preferably connected to each other before the component mounting panel 10 is fixed to the apparatus housing 100. According to such a procedure, the digital electronic components 20a to 20e are fixed through the component mounting panel 10 only with less work at the site in the electric station. In step S3, the new digital electronic components 20a to 20e are held in the holding holes 10a to 10e of the component mounting panel 10, and at the same time, the new digital electronic components 20a to 20e and the connection terminal 11a of the wiring 11 are connected. The configuration may be connected. In this case, the work at the site in the electric station is further simplified.

  Furthermore, the present invention is not limited to the above-described embodiments and modifications, and further includes various modifications. For example, the above-described embodiment has been described in detail for easy understanding of the present invention, and is not necessarily limited to one having all the configurations described. In addition, it is possible to add, delete, and replace other configurations for a part of the configuration of each embodiment.

DESCRIPTION OF SYMBOLS 1 ... Updated electronic device 10 ... Component mounting panel 10a-10e ... Holding hole 11 ... Wiring 11a ... Connection terminal 20a-20e ... Digital electronic component (newly installed electronic component)
DESCRIPTION OF SYMBOLS 100 ... Device housing | casing 100a ... Housing opening 101 ... Terminal block 103 ... External cable 200 ... Existing electronic device 200a-200f ... Existing electronic component

Claims (10)

In an electronic device in which a terminal block connected to an external cable and an existing electronic component connected to the terminal block are housed in the device housing, the existing electronic component is removed from a housing opening provided in the device housing. removal,
A component mounting panel with a holding hole is prepared, and the component mounting panel is fixed to the device casing so that the housing opening is closed by the component mounting panel in which a new electronic component is fitted into the holding hole. And
An electronic apparatus updating method for connecting a new electronic component fixed to the component mounting panel and the terminal block. After removing the existing electronic components, before connecting the new electronic components and the terminal block,
Fixing the component mounting panel to the device housing;
The electronic device update according to claim 1, wherein the new electronic component is fixed to the component mounting panel by fitting the new electronic component into the holding hole of the component mounting panel fixed to the device housing. Method. 2. The electronic device update according to claim 1, wherein wiring for connecting the new electronic component and the terminal block is fixed to the component mounting panel together with wiring for connecting the new electronic component to each other. Method. The electronic device updating method according to claim 3, wherein the newly installed electronic component and the terminal block are connected via the wiring. The method for updating an electronic device according to claim 3, wherein each of the wirings has a connection terminal that can be freely connected to the newly installed electronic component and the terminal block at both ends. The electronic device updating method according to claim 5, wherein the wiring is fixed to the component mounting panel in a state where at least one of the connection terminals is brought close to the holding hole. A device housing provided with an accommodation opening;
A terminal block housed in the device housing;
An external cable connected to the terminal block;
A component mounting panel having a holding hole facing the accommodation opening and fixed to the device housing;
An electronic device comprising: an electronic component fixed to the component mounting panel in a state fitted in the holding hole and connected to the terminal block. The wiring for connecting the electronic components fitted in the holding holes to each other and the wiring for connecting the electronic components and the terminal block are fixed to the component mounting panel. The electronic device described. The electronic device according to claim 8, wherein the wiring has connection terminals that can be connected to the electronic component and the terminal block at both ends. The electronic device according to claim 9, wherein the wiring is fixed to the component mounting panel in a state where at least one of the connection terminals is brought close to the holding hole.

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