JP2017144103A - Electric device, electronic circuit board provided in electric device, and replacement method of electronic circuit board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric device, even during maintenance work and repair work of the electric device, capable of transferring device information stored in a storage part, to the electric device whose maintenance work and repair work are finished.SOLUTION: The electric device includes: a control-part board having a control part for controlling at least one of electric components constituting the device; a storage-part board having a storage part that is connected to the control part and stores device information; and a notification part that is connected to the control part and performs notification. The control part causes the storage part to store the device information, when the device information satisfies a prescribed condition of criteria, and notifies of timing of maintenance inspection via the notification part, where the control-part board and the storage-part board are connected by a division part and configured to be separable at the division part.SELECTED DRAWING: Figure 4

Description

  The present invention relates to an electric device provided with a control unit and a storage unit for supporting maintenance work such as a dishwasher and a washing machine, an electronic circuit board provided in the electric device, and an electronic circuit board replacement method.

  For electrical appliances that have a system for inspection in accordance with the Consumer Product Safety Law, such as dishwashers, a design standard usage period has been set as a guideline for safe use of electrical appliances. Whether the set standard use period has elapsed or not is stored in a storage unit such as an EEPROM (Electrically Erasable Programmable Read-Only Memory) such as a standby time and an operating time of the electric device. (See, for example, Patent Document 1).

Japanese Patent No. 5656523

  In the electrical device described in Patent Document 1, when it is desired to replace the substrate on which the control unit is mounted during maintenance of the electrical device, the storage unit such as an EEPROM mounted on the substrate is replaced together. For this reason, after the maintenance work of the electric equipment, there is a problem that the information stored in the storage unit cannot be transferred to the electric equipment after the work.

  The present invention has been made to solve the above-described problems, and the apparatus information stored in the storage unit can be transferred to the electric apparatus for which the maintenance work has been completed even during the maintenance work of the electric apparatus. The purpose is to provide electrical equipment.

  An electrical device according to the present invention includes a control unit substrate having a control unit that controls at least one of electrical components constituting the device, and a storage unit substrate that is connected to the control unit and has a storage unit that stores device information. A notification unit connected to the control unit for performing notification, wherein the control unit stores the device information in the storage unit and the device information satisfies a reference condition. The time of maintenance / inspection is notified via the notification unit, and the control unit substrate and the storage unit substrate are connected via the division unit and can be separated by the division unit.

  According to the electrical device according to the present invention, the control unit substrate having the control unit and the storage unit substrate connected to the control unit and storing the device information are connected via the dividing unit, and Separation is possible via the dividing part. For this reason, it is possible to provide an electrical device that can transfer the device information stored in the storage unit to the electrical device for which the maintenance operation has been completed even during the maintenance operation of the electrical device.

It is a schematic sectional drawing of the electric equipment which concerns on Embodiment 1 of this invention. It is a schematic front view of the electric equipment according to Embodiment 1 of the present invention. It is a block diagram which concerns on the control part of the electric equipment which concerns on Embodiment 1 of this invention. It is a schematic perspective view of the board | substrate mounted in the electric equipment which concerns on Embodiment 1 of this invention. It is the schematic enlarged view which planarly viewed the division | segmentation part of the board | substrate mounted in the electric equipment which concerns on Embodiment 1 of this invention. It is the schematic enlarged view which looked at the division | segmentation part of the board | substrate mounted in the electric equipment which concerns on Embodiment 1 of this invention in cross section. It is a schematic perspective view of the board | substrate mounted in the electric equipment which concerns on Embodiment 2 of this invention. It is a bottom view of the board | substrate mounted in the electric equipment which concerns on Embodiment 2 of this invention. It is a schematic perspective view when the board | substrate mounted in the electric equipment which concerns on Embodiment 2 of this invention is divided | segmented. It is a schematic perspective view of the board | substrate mounted in the electric equipment which concerns on Embodiment 3 of this invention. It is a schematic perspective view of the board | substrate mounted in the electric equipment which concerns on Embodiment 4 of this invention. It is the schematic enlarged view which planarly viewed the division | segmentation part of the board | substrate mounted in the electric equipment which concerns on Embodiment 4 of this invention. It is a schematic perspective view of the board | substrate mounted in the electric equipment which concerns on Embodiment 5 of this invention. It is the schematic enlarged view which looked at the division | segmentation part of the board | substrate mounted in the electric equipment which concerns on Embodiment 5 of this invention in cross section.

  Hereinafter, embodiments of an electric apparatus according to the present invention will be described with reference to the drawings. In addition, the form of drawing is an example and does not limit this invention. Moreover, what attached | subjected the same code | symbol in each figure is the same or it corresponds, and this is common in the whole text of a specification. Furthermore, in the following drawings, the relationship between the sizes of the constituent members may be different from the actual one. Moreover, although an embodiment will be described using a dishwasher as an example of an electrical device in the present invention, the present invention is not limited to a dishwasher, and may be applied to other electrical devices. Is possible.

Embodiment 1 FIG.
[Configuration of dishwasher]
FIG. 1 is a schematic cross-sectional view of an electrical apparatus according to Embodiment 1 of the present invention. FIG. 2 is a schematic front view of the electrical apparatus according to Embodiment 1 of the present invention. As shown in FIGS. 1 and 2, the dishwasher 1 is housed in a dishwasher body 1b formed in a box shape having a front opening 1a on the front surface, and the dishwasher body 1b. In addition, a cleaning tank 2 formed in a box shape having a tableware storage opening 2a and a drawer-type door 13 are provided.

  Further, inside the dishwasher 1, a guide (not shown) that is a sliding means for supporting the washing tank 2 so as to be slidable in the front-rear direction with respect to the dishwasher body 1b, a rail 5, and the dishwasher body A cleaning tank 2 housed in 1b is provided. Further, inside the dishwasher 1, there are provided a door opening / closing detection device 26 for detecting the open / closed state of the door 13 and a tableware basket 4 for placing an object to be cleaned such as the tableware 3. In addition, in order to prevent the washing water and the drying air that are sprayed from flowing out of the washing tub 2 inside the dish washing machine 1, the dish storage port 2a of the washing tub 2 is closed. An inner lid 12 is provided.

  Further, the dishwasher 1 has a water supply pipe 10a and a water supply valve 10 which are water supply means for supplying tap water as cleaning water to the inside of the cleaning tank 2, and a dish 3 is cleaned to remove dirt. A cleaning nozzle 9 and a cleaning pump 8 which are cleaning means for jetting and circulating water are provided. Further, inside the dishwasher 1, there are a heater 7 that heats the washing water that circulates in order to improve the washing ability, a drain pump 11 that drains the washing water used for washing outside the dishwasher 1, and A water distribution pipe 11a is provided.

  Further, inside the dishwasher 1, a blower fan 36 that generates drying air for drying the tableware 3, a control unit 21 for controlling various electrical components in accordance with a signal from the operation unit 15, and storage Part 23 is provided.

  As shown in FIGS. 1 and 2, the blower fan 36 is provided outside the washing tub 2 on the rear side of the dishwasher main body 1 b and blows air for drying the tableware 3. The exhaust gas by drying is discharged to the outside through an exhaust port 51 formed in the door 13.

  Next, a door open / close detection device 26 for detecting a state in which the washing tub 2 is housed is provided at the upper front side of the dishwasher main body 1b. Further, a water amount detection device 27 for detecting the position of the cleaning water inside the cleaning tank 2 is provided at the lower part on the front side of the dishwasher main body 1b. Furthermore, a temperature detection device 31 for detecting the temperature of the washing water is provided at the lower part of the dishwasher main body 1b.

  As shown in FIG. 2, the door 13 includes an operation panel 14. The operation panel 14 has an exhaust port 51, an operation unit 15 for operating the dishwasher 1, and an operating state of the dishwasher 1. Etc., and a notification device 41 for notifying the operation state of the dishwasher 1 and the like. As the notification device 41, for example, a buzzer or the like is used. The operation unit 15 opens and closes a power switch 18 for turning on or off the power to the dishwasher 1, an operation switch 17 for starting or temporarily stopping the operation of the dishwasher 1, and a door 13. A door opening / closing switch 20 is provided.

  FIG. 3 is a block diagram relating to the control unit of the electrical apparatus according to Embodiment 1 of the present invention. As shown in FIG. 3, the control unit 21 includes a microcomputer 22. The control unit 21 receives an operation instruction to the dishwasher 1 from the user via the operation unit 15, and receives various electrical signals from a device such as the door opening / closing detection device 26. And the control part 21 controls operation | movement of the dishwasher 1 via the microcomputer 22 according to the operation instruction from a user, or the electrical signal from various apparatuses. That is, the control unit 21 controls at least one of the electrical components that constitute the device.

  The heater drive circuit 28 receives the control command from the microcomputer 22 and controls the temperature of the heater 7. The water supply valve drive circuit 32 receives a control command from the microcomputer 22 and controls operations such as opening and closing of the water supply valve 10. The cleaning pump drive circuit 33 receives the control command from the microcomputer 22 and controls the operation of the cleaning pump 8. The drain pump drive circuit 34 receives the control command from the microcomputer 22 and controls the operation of the drain pump 11. The blower fan drive circuit 35 receives a control command from the microcomputer 22 and controls the rotational speed of the blower fan 36. The display unit driving circuit 29 receives a control command from the microcomputer 22 and controls a display image displayed on the display unit 30.

The control unit 21 is connected to the storage unit 23 by an electrical wiring 43 or a printed wiring 42, which will be described later, and device information such as an integrated energization time, an integrated operation count, or an integrated operation time of the dishwasher 1 is stored in the storage unit 23. Remember. In addition, for example, when the integrated operation time of the dishwasher 1 exceeds a certain integrated time, the control unit 21 indicates that the design standard use period for performing maintenance and inspection by the notification device 41 or the display unit 30 has elapsed. Inform. Then, the user can make a request for maintenance inspection or repair work of the dishwasher 1 at an appropriate timing by notifying a manufacturer or other maintenance inspection company of the notification.
The notification device 41 and the display unit 30 correspond to the “notification unit” in the present invention.

FIG. 4 is a schematic perspective view of a substrate mounted on the electric apparatus according to Embodiment 1 of the present invention. As shown in FIG. 4, the electronic circuit board 100 includes a control unit substrate 40 and a storage unit substrate 24, and the control unit substrate 40 and the storage unit substrate 24 are connected by a dividing unit 70. The control unit substrate 40 is provided with a control unit 21 and a microcomputer 22, and the storage unit substrate 24 is provided with a storage unit 23.
That is, the control unit substrate 40 and the storage unit substrate 24 are integrally formed with a single plate, and both the substrates can be divided at the position of the dividing unit 70. Note that the control unit substrate 40 and the storage unit substrate 24 may be configured by separate plates, and may be joined at a portion that becomes the division unit 70.

  FIG. 5 is a schematic enlarged view of a divided portion of the substrate mounted on the electric device according to Embodiment 1 of the present invention when viewed in plan. As shown in FIG. 5, a plurality of through holes 71 a and slits 71 b are formed in the divided portion 70 between the control unit substrate 40 and the storage unit substrate 24, thereby forming a perforated shape 70 a. Yes. The through hole 71a is, for example, a through hole having a diameter of 1 (mm). The width of the joint between the through holes 71a and between the through holes 71a and the slits 71b, that is, the joint between the control unit substrate 40 and the storage unit substrate 24 is, for example, 2.5 (mm). When the control unit substrate 40 and the storage unit substrate 24 are divided, the control unit substrate 40 and the storage unit substrate 24 can be divided and separated by breaking or cutting the joints. In the first embodiment, the dimension of the perforated shape 70a is as described above. However, the present invention is not limited to this, and the dimension may be changed as appropriate.

  FIG. 6 is a schematic enlarged view of a divided portion of the substrate mounted on the electric device according to Embodiment 1 of the present invention, as viewed in cross section. As shown in FIG. 6, a V-shaped groove 70 b is formed on both the front and back surfaces of the control unit substrate 40 and the storage unit substrate 24 in the dividing unit 70 between the control unit substrate 40 and the storage unit substrate 24. Is formed. When the thickness of the control unit substrate 40 and the storage unit substrate 24 is 1.6 (mm), for example, the V-shaped groove 70b has a depth of 0.4 ± 0.1 (mm), for example, and the angle is 45 °. When the control unit substrate 40 and the storage unit substrate 24 are divided, the V-shaped groove 70b between the control unit substrate 40 and the storage unit substrate 24 is broken or cut to be separated. Can do. In the first embodiment, the thickness of the control unit substrate 40 and the storage unit substrate 24 and the dimension of the V-shaped groove 70b are as described above. However, the present invention is not limited to this, and the dimension is appropriately set. It may be changed.

[Effect of Embodiment 1]
From the above, according to the first embodiment, the control unit board 40 having the control unit 21 that controls at least one of the electrical components constituting the device and the device information connected to the control unit 21 are stored. An electrical device including a storage unit substrate 24 having a storage unit 23 and a notification unit connected to the control unit 21 to perform notification. The control unit 21 stores the device information in the storage unit 23 and the device information. When the standard condition is satisfied, the maintenance inspection time is notified via the notification unit, and the control unit substrate 40 and the storage unit substrate 24 are connected via the division unit and can be separated by the division unit. It shall be.
In this way, even when the control unit 21 is replaced during maintenance work of the electric device, the storage unit substrate 24 provided with the storage unit 23 is separated from the control unit 21 to be replaced, and after the replacement By connecting to the new control unit 21, it is possible to provide an electrical device that can transfer the information stored in the storage unit 23 to the electrical device for which the maintenance work has been completed.
In addition, when the electronic circuit board 100 is manufactured, there is no need to manufacture the storage unit 23 by assembling the storage unit 23 to the control unit board 40, so that the manufacturing time of the electronic circuit board 100 can be reduced.
Further, by disposing the storage unit substrate 24 adjacent to the control unit substrate 40 and making the storage unit substrate 24 on which the storage unit 23 is arranged stand out, forgetting to remove the storage unit 23 during maintenance work is prevented. be able to.

  The dividing portion 70 is formed by a perforated shape 70a or a V-shaped groove 70b. By doing in this way, the electric equipment which can divide | segment the memory | storage part board | substrate 24 and the control part board | substrate 40 easily by bend | folding or cut | disconnecting the division | segmentation part 70 can be obtained.

Embodiment 2. FIG.
Since the basic configuration of the electric device according to the second embodiment is the same as that of the electric device according to the first embodiment, the second embodiment will be described below with a focus on differences from the first embodiment. The difference between the first embodiment and the second embodiment is that a connector is provided on each board.

  FIG. 7A is a schematic perspective view of a substrate mounted on an electric device according to Embodiment 2 of the present invention. FIG. 7B is a bottom view of the substrate mounted on the electric device according to Embodiment 2 of the present invention. Moreover, FIG. 7C is a schematic perspective view when the board | substrate mounted in the electric equipment which concerns on Embodiment 2 of this invention is divided | segmented.

  As shown in FIG. 7A, the electronic circuit board 101 includes a control unit board 40a and a storage unit board 24a. The control unit board 40a includes a control unit side connector 25a, and the storage unit board 24a is a storage unit side connector. 25b. As shown in FIG. 7B, when the control unit substrate 40a and the storage unit substrate 24a are connected via the dividing unit 70, the control unit 21 and the storage unit 23 are electrically connected by the printed wiring 42. Device information is stored in the storage unit 23. However, as shown in FIG. 7C, when the control unit substrate 40a and the storage unit substrate 24a are divided by the dividing unit 70, the control unit side connector 25a of the control unit substrate 40a and the storage unit side connector of the storage unit substrate 24a. By connecting 25b, device information can be transmitted and received between the storage unit 23 and the control unit 21.

  Next, a method for replacing the electronic circuit board 101 will be described. First, as a first step, the control unit substrate 40 a and the storage unit substrate 24 a are divided by the dividing unit 70. Next, the storage unit side connector 25b of the storage unit board 24a separated as the second step is connected to the control unit side connector 25a provided in the new control unit board 40a having the new control unit 21 and separated. It connects with the memory | storage part 23 of the memory | storage part board | substrate 24a, and the new control part 21 which the new control part board | substrate 40a has. In this way, the device information stored in the storage unit 23 can be transferred to the new control unit 21.

[Effect of Embodiment 2]
From the above, according to the second embodiment, the control unit board 40a further includes a control unit side connector, and the storage unit board 24a includes the storage unit side connector 25b that can be connected to the control unit side connector 25a. In addition, in a state where the control unit substrate 40a and the storage unit substrate 24a are connected via the dividing unit 70, the storage unit 23 is connected to the control unit 21 via the printed wiring, and the control unit side connector 25a. The storage unit side connector 25b is an electrical device that is not connected.
In this way, even after the control unit substrate 40a and the storage unit substrate 24a are divided, an electrical device that can connect the storage unit substrate 24a to the new control unit substrate 40a after replacement is obtained. be able to.

Embodiment 3 FIG.
Since the basic configuration of the electric device according to the third embodiment is the same as that of the electric device according to the first embodiment, the third embodiment will be described below with a focus on differences from the first embodiment. The difference between the first embodiment and the third embodiment is that a connector is provided on each substrate and the connectors are connected to each other by electric wiring.

  FIG. 8 is a schematic perspective view of a substrate mounted on an electrical apparatus according to Embodiment 3 of the present invention. As shown in FIG. 8, the electronic circuit board 102 includes a control unit board 40b and a storage unit board 24b. The control unit board 40b includes a connector 25c, and the storage unit board 24b includes a connector 25d. The connector 25c and the connector 25d are connected via an electrical wiring 43 such as a lead wire. And the control part 21 and the memory | storage part 23 are electrically connected by the electrical wiring 43, and the apparatus information is memorize | stored in the memory | storage part 23. FIG. Since the electrical wiring 43 can be removed from the connector 25c, when the control unit substrate 40b and the storage unit substrate 24b are divided via the dividing unit 70, the control unit substrate 40b and the storage unit substrate 24b are separated. can do. The connector 25c corresponds to the “first connecting portion” in the present invention. The connector 25d corresponds to the “second connecting portion” in the present invention.

[Effect of Embodiment 3]
As described above, according to the third embodiment, the control unit substrate 40b further includes the connector 25c, the storage unit substrate 24b further includes the connector 25d, and the connector 25c and the connector 25d are electrically wired. 43 is connected.
By doing in this way, it is not necessary to arrange the printed wiring 42 on each substrate, and an electric device that can simplify the manufacturing process can be obtained.

Embodiment 4 FIG.
Since the basic configuration of the electric device according to the fourth embodiment is the same as that of the electric device according to the first embodiment, the fourth embodiment will be described below with a focus on differences from the first embodiment. The difference between the first embodiment and the fourth embodiment is that the printed wiring is arranged between perforations.

  FIG. 9A is a schematic perspective view of a substrate mounted on an electric device according to Embodiment 4 of the present invention. FIG. 9B is a schematic enlarged view in plan view of the divided portion of the substrate mounted on the electric device according to Embodiment 4 of the present invention. As shown in FIG. 9A, the electronic circuit board 103 includes a control unit board 40 c and a storage unit board 24 c, and the control unit board 40 c and the storage unit board 24 c are connected via a dividing unit 70. . As shown in FIG. 9B, the dividing portion 70 between the control unit substrate 40c and the storage unit substrate 24c is formed with a plurality of through holes 71a and slits 71b, thereby forming a perforated shape 70a. Yes. A printed wiring 42 is disposed between the through holes 71a or between the through holes 71a and the slit 71b. The control unit 21 and the storage unit 23 are electrically connected by the printed wiring 42, and the device information is stored in the storage unit 23. Is remembered. The through holes 71a and the slits 71b correspond to “perforations” in the present invention.

[Effect of Embodiment 4]
From the above, according to the fourth embodiment, the printed wiring 42 is disposed between the perforations of the perforated shape 70 a of the dividing portion 70.
In this way, even when the perforated shape 70 a is adopted for the dividing unit 70, the control unit 21 and the storage unit 23 can be electrically connected by the printed wiring 42.

Embodiment 5. FIG.
Since the basic configuration of the electric device in the fifth embodiment is the same as that of the electric device in the first embodiment, the fifth embodiment will be described below with a focus on differences from the first embodiment. The difference between the first embodiment and the fifth embodiment is that a V-shaped groove 70b is provided in a divided portion on one surface of the substrate.

  FIG. 10A is a schematic perspective view of a substrate mounted on an electric device according to Embodiment 5 of the present invention. FIG. 10B is a schematic enlarged view of a divided portion of the substrate mounted on the electric device according to Embodiment 5 of the present invention. As shown in FIGS. 10A and 10B, the electronic circuit board 104 includes a control unit board 40d and a storage unit board 24d, and the control unit board 40d and the storage unit board 24d are connected via the dividing unit 70. Has been.

  A V-shaped groove 70b is formed on only one surface of the control unit substrate 40d and the storage unit substrate 24d in the dividing unit 70 between the control unit substrate 40d and the storage unit substrate 24d. When the thickness of the control unit substrate 40d and the storage unit substrate 24d is 1.6 (mm), for example, the V-shaped groove 70b has a depth of 0.4 ± 0.1 (mm), for example, and the angle is 45 °. When the control unit substrate 40d and the storage unit substrate 24d are divided, the V-shaped groove 70b between the control unit substrate 40d and the storage unit substrate 24d is broken or cut to be separated. Can do. In the fifth embodiment, the thickness of the control unit substrate 40 and the storage unit substrate 24 and the dimensions of the V-shaped groove 70b are as described above. However, the present invention is not limited to this, and the dimensions are appropriately set. It may be changed.

  A printed wiring 42 is disposed on the other surface of the control unit substrate 40d and the storage unit substrate 24d where the V-shaped groove 70b is not formed. Thereby, the control unit 21 and the storage unit 23 are electrically connected by the printed wiring 42, and the device information is stored in the storage unit 23.

[Effect of Embodiment 5]
From the above, according to the fifth embodiment, the V-shaped groove 70b is formed only on one surface of the divided portion 70, and the printed wiring 42 has the V-shaped groove 70b of the divided portion 70. It is set as the structure arrange | positioned on the other surface which is not formed.
By doing in this way, even if the V-shaped groove 70 b is formed in the dividing portion 70, the control portion 21 and the storage portion 23 can be electrically connected by the printed wiring 42.

  DESCRIPTION OF SYMBOLS 1 Tableware washing machine, 1a Front opening part, 1b Tableware washing machine main body, 2 Washing tank, 2a Tableware storage port, 3 Tableware, 4 Tableware basket, 5 Rail, 7 Heater, 8 Washing pump, 9 Washing nozzle, 10 Water supply valve, 10a Water supply pipe, 11 Drain pump, 11a Water distribution pipe, 12 Inner lid, 13 Door, 14 Operation panel, 15 Operation part, 17 Operation switch, 18 Power switch, 20 Door open / close switch, 21 Control part, 22 Microcomputer, 23 Memory Unit, 24 storage unit substrate, 24a storage unit substrate, 24b storage unit substrate, 24c storage unit substrate, 24d storage unit substrate, 25a control unit side connector, 25b storage unit side connector, 25c connector, 25d connector, 26 door open / close detection device 27 Water quantity detection device 28 Heater drive circuit 29 Display unit drive circuit 30 Display unit 31 Temperature detection device, 32 Water supply valve drive circuit, 33 Cleaning pump drive circuit, 34 Drain pump drive circuit, 35 Blower fan drive circuit, 36 Blower fan, 40 Control part board, 40a Control part board, 40b Control part board, 40c Control Sub board, 40d Control board, 41 Notification device, 42 Printed wiring, 43 Electrical wiring, 51 Exhaust port, 70 Dividing part, 70a Perforated shape, 70b V-shaped groove, 71a Through hole, 71b Slit, 100 Electronic circuit Board, 101 electronic circuit board, 102 electronic circuit board, 103 electronic circuit board, 104 electronic circuit board.

Claims (11)

A control unit board having a control unit for controlling at least one of the electrical components constituting the device;
A storage unit substrate connected to the control unit and having a storage unit for storing device information;
An electrical device comprising a notification unit connected to the control unit and performing notification,
The control unit stores the device information in the storage unit and informs the maintenance inspection time via the notification unit when the device information satisfies a standard condition,
The control unit substrate and the storage unit substrate are connected to each other through a dividing unit, and can be separated by the dividing unit. The control unit board further includes a control unit side connector,
The storage unit substrate further includes a storage unit side connector connectable to the control unit side connector,
In a state where the control unit substrate and the storage unit substrate are connected via the dividing unit,
The storage unit is connected to the control unit via a printed wiring,
The electrical device according to claim 1, wherein the control unit side connector and the storage unit side connector are not connected. The control unit substrate further includes a first connection unit,
The storage unit substrate further includes a second connection unit,
The electric device according to claim 1, wherein the first connection portion and the second connection portion are connected by electric wiring. The dividing unit is
The electric device according to claim 1, wherein the electric device is formed by a perforation shape. The dividing unit is
The electrical device according to claim 1, wherein the electrical device is formed by a V-shaped groove. The electric device according to claim 4, wherein the printed wiring is disposed between perforations having a perforation shape in the divided portion. The V-shaped groove is formed only on one surface of the divided portion,
The electric device according to claim 5, wherein the printed wiring is disposed on the other surface of the divided portion where the V-shaped groove is not formed. The device information is
The electrical device according to any one of claims 1 to 7, which is an accumulated energization time, an accumulated operation count, or an accumulated operation time of the electrical device. The electric device according to claim 1, wherein the electric device is a dishwasher. A control unit board having a control unit for controlling electrical components;
A storage unit substrate having a storage unit connected to the control unit and storing information;
With
The electronic circuit board, wherein the control unit substrate and the storage unit substrate are connected via a dividing unit and can be separated by the dividing unit. A control unit board having a control unit for controlling at least one of the electrical components constituting the device;
An electronic circuit board comprising: a storage unit connected to the control unit for storing device information; and a storage unit substrate having a storage unit side connector, wherein the control unit substrate and the storage unit substrate are connected via a dividing unit. Exchange method,
Separating the control unit substrate and the storage unit substrate by the dividing unit;
The storage unit side connector of the separated storage unit substrate is connected to the control unit side connector provided in the new control unit board having a new control unit, and the storage unit of the separated storage unit substrate and the new control And a step of connecting the new control unit included in the partial substrate.

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