JPH11194805A - Electric controller - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make easily changeable the specifications of an electric controller equipped with a microcomputer only by connecting a previously prepared connector. SOLUTION: The electric controller 10 which controls an electrolytic water- producing device has the microcomputer 13 on its substrate 12 and the microcomputer 13 can reads the state of the connection terminals of a connector 23 connected to a connector 18. When the female side 23c of the connector where connection lines 24 are so connected that specific connection terminals of the connector 23 are short-circuited is connected to the male side 23a, the microcomputer 13 executes a program corresponding to the connection terminal state of the connector 23 to performs control corresponding to the kind of the electrolytic water producing device as a controlled system. Therefore, the female side of a connector 23 having other connection terminals short-circuited is inserted into the male side and then the electric controller performs control matching with a different electrolytic water producing device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric control device provided with a microcomputer for controlling a component to be controlled.

[0002]

2. Description of the Related Art Conventionally, an electric control device of this type controls an electromagnetic valve, a motor, or the like, which is a component to be controlled, in accordance with a program execution result of a built-in microcomputer. Is also used. However, the electrolyzed water generator achieves the same function of generating electrolyzed water, such as a type that electrolyzes only raw water, a type that mixes saline with raw water to electrolyze, a large capacity type, and a small capacity type. However, there are many different specifications. Therefore, in such a case, it is necessary to produce many types of electric control devices according to the respective specifications. Therefore, the number of types of electric control devices is reduced by storing a plurality of programs in a microcomputer in advance and selecting and executing a program according to specifications.

[0003]

However, in the above-mentioned conventional electric control device, a program selection instruction (specification setting) to the microcomputer is made by switching a "DIP switch" provided on a circuit board. Therefore, the operator needs to use a precision screwdriver, the tip of a nail, or the like, and there is a problem that it is not possible to efficiently give an instruction. Also, when the specifications are changed at the installation location (on site) after the installation of the electrolyzed water generation device, etc., the work efficiency is further deteriorated due to the installation environment of the device and the repair work is also performed. Therefore, when a circuit board including a microcomputer is replaced, a serviceman may erroneously change the setting of the “DIP switch”.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to address the above problems, and has as its object to enable specification of an electric control device such as an instruction for selecting a program to be performed with good workability. Another object of the present invention is to provide an electric control device in which the possibility of erroneous specification setting is reduced.

That is, a first feature of the present invention is an electric control device which includes one of a connector having a plurality of connection terminals and a microcomputer connected to one of the connectors and controls a connected control target component. In the microcomputer, a predetermined program from among the plurality of programs according to the state of the storage unit storing a plurality of programs in advance and the plurality of connection terminals determined by the other of the connectors connected to one of the connectors Program execution means for selecting and executing the program, wherein the microcomputer controls the control target component by executing the selected program.

[0006] In the electric control device having the first feature, the microcomputer is connected to one of the connectors having a plurality of connection terminals, and selects and executes a program corresponding to the state of the connection terminals of the connector. I do. Since the state of the connection terminal is determined by the other side of the connector,
Instructions for selecting a program to the electric control unit during manufacturing or repairs involving circuit board replacement can be achieved by simply connecting the other connector to one side, greatly improving the workability related to specification setting and improving specifications. The possibility of erroneous setting is reduced. In addition, even when the program to be selected is changed, the possibility that an operator at the site mistakes the instruction for selecting a program is reduced by preparing the other of the predetermined connectors in advance by the manufacturer. It has the advantage of gaining.

A second feature of the present invention is an electric control device that includes one of a connector having a plurality of connection terminals and a microcomputer connected to one of the connectors and controls a connected control target component. A microcomputer stores a program using predetermined data and a plurality of data in advance, and a plurality of data according to a state of a plurality of connection terminals determined by the other of the connectors connected to one of the connectors. Program execution means for selecting predetermined data to be used for the program from among the above and executing the program stored in the storage unit, wherein the microcomputer executes the program using the selected data. Thus, the control target component is configured to be controlled.

[0008] In the electric control device having the second feature, the microcomputer is connected to one of the connectors having a plurality of connection terminals, and the data used to execute the program according to the state of the connection terminals of the connector. Is selected, the control according to the control target component is performed. Since the state of the connection terminal is determined by the other of the connectors similarly to the first feature, an instruction of data selection for performing control according to the control target component can be achieved only by connecting the other of the connectors to one. In addition, the workability related to the specification setting of the electric control device can be greatly improved, and the possibility of erroneous specification setting can be reduced.

A third feature of the present invention resides in one of a connector having a plurality of connection terminals, a microcomputer connected to one of the connectors, and a memory for storing data input from outside even when power is not supplied. Means, and a data input means for inputting data to the storage means, in the electric control device for controlling the connected control target component, the microcomputer, the program using the data stored in the storage means and a plurality of A storage unit that stores data in advance, a data change unit that changes data in the storage unit according to data input from the data input unit, and a plurality of data determined by the other of the connectors connected to one of the connectors. Predetermined data is selected from a plurality of data stored in the storage unit according to the state of the connection terminal and stored in the storage means. Data initialization means, and program execution means for executing a program stored in the storage unit, and the microcomputer executes the program using data stored in the storage means. The configuration is such that the control target component is controlled.

[0010] The data in the storage means is changed and adjusted by the data input means after the electric control device is installed, but after the storage means (including the circuit board) is replaced,
It becomes necessary to input data again. However, if all data is input by the input means, the work efficiency is poor.
It is necessary to initialize to a basic value according to the specification of the electric control device by some means. In this case, the electric control device having the third feature can be initialized simply by connecting the other of the connectors to one of the connectors,
Workability related to the initialization of the storage means can be improved. Further, erroneous initialization can be prevented.
The electric control device having the third feature has the advantage that the efficiency of specification setting work is good and the advantage that the error of specification setting can be reduced is achieved by the electric control device having the first and second features. As well.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An electric control unit 10 according to a first embodiment of the present invention is housed inside a main body 50 of an injection-type electrolyzed water generating apparatus shown in FIG. The electrolyzed water generator main body 50 accommodates, in addition to the electric control device 10, tanks such as a concentrated salt water tank 51, and other components (not shown) necessary for electrolyzed water generation. The parts and the like include an electrolytic tank that accommodates a pair of electrodes facing each other and electrolyzes the water to be treated between the electrodes, a pump for supplying dilute salt water as the water to be treated to the electrolytic tank, and an electrolysis of the raw water. An electromagnetic valve for controlling the supply to the tank.

A raw water supply pipe for supplying raw water (tap water) from the outside into the main body of the electrolyzed water generator, an acidic water generated by electrolysis in the electrolyzer, A connection pipe 52 such as a discharge pipe for discharging alkaline water to the outside is connected. The electrolyzed water generator main body 50 has a lid 5 which is always closed and used.
3 are provided.

FIG. 1 shows the electric control device 10 with the display panel 30 (see FIG. 2) and the ceiling plate removed. A board 12 is fixed to a bottom plate 11 of the electric control device 10. On the board 12, a one-chip microcomputer 13 having a built-in memory (ROM, RAM) is used. An electronic component such as an EEPROM (read / write storage unit) 14 for holding stored data even when power is not supplied, and connectors 15 to 18 is provided. Note that these electronic components are electrically connected on the substrate 12.

The microcomputer 13 controls a plurality of electrolyzed water generators of at least two types (specifications) (in this embodiment, controls three types of electrolyzed water generators). And a program common to each specification are stored in the ROM. The three types of electrolyzed water generators are of a type (injection type) in which concentrated salt water from a concentrated salt water tank is directly mixed into a raw water continuously supplied to an electrolytic tank by a pump to perform electrolysis, and Type (tank type) in which concentrated salt water from the concentrated salt water tank is supplied into the diluted salt water tank and temporarily stored as diluted salt water, and the diluted salt water is supplied to the electrolytic cell to perform electrolysis (tank type), "Add salt water to raw water" Type (raw water type) that does not require electrolysis.

The connector 17 shown in FIG. 1 is electrically connected to a male side 21a (hereinafter referred to as a male side 21a) of a control signal input / output connector 21 provided on a side plate 19 serving as a case outer plate of the electric control device 10. It is connected inside the control device 10. The male side 21a is connected to the female side 21c of the connector 21 on the external side of the control device 10, and is connected to the female side 2c.
It is connected to a control target component (a pump, an electromagnetic valve, etc.) in the electrolyzed water generation device main body 50 via a conducting wire 22 connected to 1c. This is shown in detail in FIG.
a is a connection pin 21 penetrating through the center of the resin molded body.
b is held. The connection pin 21b is inserted into the pin receiver 21d held on the female side 21c, and
It is connected to the control target component via the conducting wire 22 connected to 1d.

Similarly, the connector 18 is connected to the electric control device 10.
Selection connector 23 provided on the side plate 19 of FIG.
The male side 23a (hereinafter, referred to as the male side 23a) is connected to the inside of the electric control device 10. The program selection connector 23 has the same structure as the control signal input / output connector 21 in cross section, and the male side 23a has five connection pins 23b penetrating the center of the main body (FIGS. 4 and 3). (See (A) and (B)). Note that, of the connection pins 23b shown in FIGS. 3A and 3B, the connection pin 23b located on the leftmost side in the figure is grounded via the connector 18 in FIG. " The first, second, third, and fourth pins are arranged in order from the second connection pin 23b from the left in FIG.

As shown in FIGS. 3A and 3B, the female side 23c of the program selection connector 23 is
Each of the connection pins 23b has a cylindrical pin receiver 23d of a conductor inserted from one side. The pin receiver 23d penetrates the main body of the female side 23c, and a connection wire 24 having a pin-shaped tip can be inserted from the other of the pin receiver 23c.

FIG. 3A shows the female side 23c in a state in which both ends of the connection line 24 are inserted into the first and second pin receivers 23d from the left in the figure. When the female side 23c is connected to the male side 23a, the ground pin and the first pin are connected, the first pin is "short-circuited", and the second to fourth pins are kept "open". or,
In FIG. 3B, both ends of the connection line 24 are 1 from the left in the drawing.
The female side 23c inserted into the fourth and fifth pin receivers 23d is shown.
When c is connected to the male side 23a, the third and fourth pins are short-circuited, and the first and second pins are kept open. The female side 23c is bound to the control signal line 22 by a binding band 25 surrounding the control signal line 22 through a loop formed by the connection line 24 and the female side 23c, and the female side 23c is connected from the male side 23a. It is configured not to be lost when pulled out (see FIG. 1).

The display panel 30 shown in FIG. 2 is attached to the front of the electric control device 10 to display the operation state of the electrolyzed water generator, and to write (change) the data stored and held in the EEPROM 14. On the front surface of the display panel 30, first to sixth switches 31 to 36, numeral display portions 37a and 37b including LEDs, a warning lamp 38, a power switch 39, and the like. Is provided. The display panel 30
A connector (not shown) and a conductor (not shown) are connected to the connector 15 on the substrate 12.

The input (writing instruction) of data from the display panel 30 to the EEPROM 14 is performed by pressing the second switch 32 once to set the writing mode, and then the first switch 31 is used to input the data in the EEPROM 14 to be changed. After the type is specified and the desired data is input by operating the third and fourth switches 33 and 34 (the number display sections 37a and 37
b), and the operation is completed (a write instruction is issued) when the second switch 32 is pressed again.

Next, the operation of the electric control device 10 configured as described above will be described. First, at the time of manufacture (at the time of shipment), the operator connects the female side 23c of the connector 23 for program selection shown in FIG. 3 (B) which is prepared for the injection-type electrolyzed water generator to the electric control device. It is inserted and connected to the male side 23a provided on the side plate 19 of No. 10. Thereafter, the electric control device 10 is assembled into the electrolyzed water generation device main body 50 and shipped, and the electrolyzed water generation device main body 50 is installed on site.

When the power switch 39 on the display panel 30 is turned on after the main body 50 of the electrolyzed water generator is installed, the microcomputer 13 executes the program shown in the flowchart of FIG. The process starts at step 600 and proceeds to step 605.

In step 605, the connector 23
Of the connection pin 23b (the state of the connection terminal) is confirmed. That is, it is determined whether or not the state is “no connection pin is short-circuited”. Female side 23 shown in FIG.
Since the third and fourth pins are grounded (short-circuited) on the male side 23a of the connector 23 in which the connector c is inserted, the microcomputer 13 determines that the step 605 is “No” and proceeds to the step 610. Then, the warning lamp 38 on the display panel 30 is turned off. The lighting control of the warning lamp 38 will be described later.

After step 610, the microcomputer 13 proceeds to step 615 and executes the common program. The common program is a program that is commonly executed for three types of electrolyzed water generating devices in which the electric control device 10 is expected to be used. For example, a program that measures a current flowing between electrodes of an electrolytic cell, It is a program for detecting the temperature of raw water.

After the execution of the common program, the microcomputer 13 proceeds to step 620, and
It is determined whether the No. 4 pin and the No. 4 pin are short-circuited. At the present time, the third and fourth pins are short-circuited, so that step 620 is determined as “Yes”, and
Proceed to step 25 to execute the "A program". The “A program” is a program specific to the injection-type electrolyzed water generator, and is, for example, a pump (discharge amount) for adjusting an amount of concentrated salt water mixed into raw water continuously supplied to the electrolyzed water. Is a program for generating electrolyzed water including a routine for controlling the water supply.

The microcomputer 13 executes step 6
After the process of step 25, the process returns to step 615 again to execute the common program, and thereafter, steps 620, 625 and 615
Repeat the above steps. By the above operation, control suitable for the injection type electrolyzed water generator is executed, and electrolyzed water is generated.

Next, at the time of manufacturing (at the time of shipping), FIG.
The case where the female side 23c in which the first, second, third and fifth pin receptacles 23c from the left in the drawing are connected by the connection line 24 in (A) is inserted into the male side 23a will be described. The female side 23c is used when controlling a tank-type electrolyzed water generator, and the male side 23a
Pins 1, 2 and 4 are short-circuited. The electric control device 1
0 is installed in the main body of the tank-type electrolyzed water generator.

When the power switch 39 is turned on after the installation of the electrolyzed water generating apparatus main body, the microcomputer 13 executes the program of FIG. 6 as steps 605, 610, and 615 and then proceeds to step 620. , 2 and 4 are short-circuited, so that step 620 is determined as “No”, and the process proceeds to step 630. Since step 630 is a step of determining whether pins 1, 2, and 4 are short-circuited, the microcomputer 13 determines “Yes” and determines in step 63
Proceed to 5.

In step 635, the microcomputer 13 executes a program for generating electrolyzed water (B program) including a program specific to the tank-type electrolyzed water generation device. The specific program is, for example, a program that controls the supply amount of the concentrated salt water from the concentrated salt water tank to the diluted salt water tank. After execution of step 635, the microcomputer 13 returns to step 615 again, and thereafter repeats steps 620, 630, and 635. As described above, control suitable for the tank-type electrolyzed water generator is executed, and electrolyzed water is generated.

Similarly, when controlling the raw water type electrolyzed water generator, the female side 23c for shorting pins 2 and 3 is inserted into the male side 23a before shipment. In this case, the microcomputer 13 performs steps 620 and 6
30 are determined as “No”, and a program (C program) including a program specific to the raw water type electrolyzed water generator is executed.

If the female side 23c is not connected for some reason, the microcomputer 13 determines "Yes" in step 605 following step 600 and proceeds to step 645. Turn on the upper warning lamp 38 and turn the female side 23c
Indicates that is not connected.

As described above, the microcomputer 13 stores in advance a plurality of programs (A, B, and C programs) corresponding to the electrolyzed water generator to be used, and stores the programs in the connector 23 for program selection. The program is selected and executed according to the short-circuit / open state of the connection pin 23b, that is, the connection terminal state. Therefore, at the time of manufacture (at the time of shipment), it is possible to change to an electric control device that achieves desired control simply by inserting and connecting the female side 23c of the predetermined connector 23 to the male side 23a. That is, the electric control device 10 has an advantage that the model setting (specification setting) can be performed very easily. If a connector having n connection pins capable of selecting short-circuit or open is used, 2 ⁿ kinds of specification settings can be made.

Next, a second embodiment will be described. In the second embodiment, the microcomputer 1 of the first embodiment is described.
3 stores and executes the program shown by the flowchart of FIG. 6 in the ROM, while the microcomputer 13 of the second embodiment stores the program shown by the flowchart of FIG. It differs from the first embodiment only in execution. Therefore, the operation will be mainly described below.

First, at the time of shipment, the female side 23c of the connector 23, which grounds (short-circuits) the first and fourth pins of the connector 23, in order to make the electric control device 10 suitable for the injection type electrolyzed water generator, is male. Connected to the side 23a. After the electric control device 10 is housed in the electrolyzed water generation device main body 50 and installed on site, the power switch 3
9 is input, the microcomputer 13 executes the program shown in the flowchart of FIG.
Start at 00.

In the following step 705, the microcomputer 13 determines whether the first and fourth pins of the connector 23 are short-circuited. As described above, since the first and fourth pins are short-circuited, the microcomputer 13 determines “Yes” in step 705 and proceeds to step 710. Step 710 is a step of executing a program (A program) dedicated to the control of the injection-type electrolyzed water generator.
Thereafter, the A program is continuously executed. In this way,
The electric control device 10 executes control suitable for an injection-type electrolyzed water generation device.

Similarly, the electric control device 10 includes the connector 2
Female side 23 shorting pins 2 and 4 to male side 23a of 3
When c is inserted, the device is changed to a device compatible with the tank-type electrolyzed water generation device. That is, in this case, the microcomputer 13 determines that the above-described step 705 is “No”, proceeds to step 715 where it is determined whether pins 2 and 4 are short-circuited, and determines “Yes” in step 715. "
And proceeds to step 720, after which step 7
At 20, the program (B program) dedicated to the control of the tank-type electrolyzed water generator is continuously executed.

Note that the microcomputer 13 determines "No" in both the steps 705 and 715.
If it is determined that the female side 23c of the connector 23 is not inserted or an unexpected female side 23c is inserted, the warning lamp 38 is turned on in step 725.

As described above, the microcomputer 13 according to the second embodiment stores a plurality of programs dedicated to the electrolyzed water generating apparatus to be controlled in the ROM (storage unit). A program dedicated to the electrolyzed water generator (model) to be controlled in accordance with the state of the connection terminal is selected and executed. Therefore, the electric control device 10 of the second embodiment is suitable for a case where a plurality of models having no common program are to be controlled. The first point is that the electric control device 10 that achieves control according to the model to be controlled can be achieved only by inserting the female side 23c of the connector 23 corresponding to the model to be controlled into the male side 23a. This is the same as the embodiment.

Next, a third embodiment will be described. The electric control device 10 according to the third embodiment is capable of supporting two types of a tank-type electrolyzed water generation device that generates a large amount of electrolytic water per unit time and a tank-type electrolyzed water generation device that generates a small amount. I have. In this case, the basic operation itself of the control is the same in both models, but for example, the flow rate of the concentrated salt water to be supplied from the concentrated salt water tank to the diluted salt water tank in order to set the concentration of the diluted salt water to be electrolyzed to a predetermined value. Since the (concentrated salt water amount) is different, it is necessary to perform different control on the electromagnetic valve for controlling the concentrated salt water amount.

Specifically, the solenoid valve connects the concentrated salt water tank and the diluted salt water tank during the output period of the Hi signal in the pulse train signal in which the Hi (High level) signal and the Lo (Low level) signal are repeated at a predetermined cycle. To control the flow rate of concentrated salt water. Therefore, in order to make the salt water concentration in the dilute salt water tanks having different volumes the same between the two models, even if the salt water concentration sensor outputs in the dilute salt water tank are the same, Hi
It is necessary to make the signal output period different. Therefore, the microcomputer 13 determines the characteristics of the pulse train signal to be output to the electromagnetic valve with respect to the output of the salt water concentration sensor (those having the same cycle but different Hi signal output times) as data corresponding to both models in advance in the ROM. The program is stored in the area, and the program (stored in the ROM) shown in the flowchart of FIG. 8 is executed. The other points are the same as in the first embodiment.

First, the female side 23 for short-circuiting the first and fourth pins of the connector 23 to the male side 23a of the connector 23.
To explain the case where c is inserted and connected,
Power switch 39 by user after installation of electrolyzed water generator
8, the microcomputer 13 starts the program of FIG. 8 from step 800 and proceeds to step 805 to determine whether pins 1 and 4 of the connector 23 are short-circuited. At this time, since the first and fourth pins of the connector 23 are short-circuited, the microcomputer 13 determines that the step 805 is “Yes” and proceeds to the step 810.
Proceed to.

In step 810, step 82 described later is executed.
The characteristic data of the pulse train signal used in the electrolyzed water generation program executed at 0 is transferred from a predetermined (storage) area of the ROM to a specific (storage) area of the RAM, and the data is set. This data is adapted to a large-capacity tank-type electrolyzed water generator (model A). The microcomputer 13 then turns off the warning lamp 38 that is turned on in step 835 described later in step 815.
Is executed, and the process proceeds to step 820 to execute an electrolyzed water generation program.

In the execution of the electrolyzed water generation program, for example, if the output of the salt concentration sensor in the dilute salt water tank indicates that the output is smaller than the target salt concentration, the electric control device 10
Outputs a pulse train signal to the electromagnetic valve to increase the flow rate of the concentrated salt water into the dilute salt water tank. At that time, the data set in the specific region in step 810 is used to output the pulse train signal in the pulse train signal. The output period of the Hi signal is determined. As described above, the control adapted to the large-capacity tank-type electrolyzed water generator is executed.

In order for the electric control device 10 to control the small-capacity tank-type electrolyzed water generator, the female side 23c of the connector 23 for short-circuiting the pins 2 and 4 of the male side 23a of the connector 23 is required. Insert and connect. In this case, the microcomputer 13 determines “No” in step 805 and proceeds to step 825 to determine whether pins 2 and 4 are short-circuited.

In step 825, since the microcomputer 13 determines "Yes", step 83
Go to 0, small capacity tank type electrolyzed water generator (model B)
The characteristic data of the pulse train signal adapted to the above is transferred from a predetermined area of the ROM to the above-mentioned specific area of the RAM, and the data is set. Then, the microcomputer 13
Proceeds to step 820 via the above-described step 815, and executes a common electrolyzed water generation program with the high-capacity electrolyzed water generation apparatus. As a result, the control suitable for the small-capacity tank-type electrolyzed water generator is executed as a result. If the female side 23c of the connector 23 is forgotten to be inserted, the microcomputer 13 sets both the steps 805 and 825 to "N".
o ", and the warning lamp 38 is turned on in step 835 to notify that the connector has been forgotten to be inserted.

As is clear from the above, in the third embodiment, the data set in step 810 or step 830 is a large-capacity or small-capacity tank-type electrolyzed water generator (model to be controlled). As a result, the microcomputer 13 executes control suitable for both models. Note that the third embodiment is a case where a program that can be used in common between models to be controlled by the electric control device 10 exists.
This is suitable when control suitable for each model can be performed by changing only the data used in the program. Generally, the storage of the program requires a large capacity, but since the data has a relatively small capacity, the third embodiment is also effective when the ROM capacity of the microcomputer 13 is limited.

Next, a fourth embodiment will be described. The electric control device 10 according to the fourth embodiment is different from the electric control device 10 according to the third embodiment in FIG.
Instead of using the program shown by the flowchart in FIG. 9, the EEPROM 14 on the substrate 12 is used as a specific area for setting model-specific data in the third embodiment.
(Storage area in). The other points of the fourth embodiment are the same as the third embodiment.

First, while the user presses (turns on) the first switch 31 of the display panel 30 (see FIG. 2), the power supply 3 is turned on.
9 will be described. The microcomputer 13 starts the program of FIG.
Subsequently, the step 905 for determining whether or not the first switch 31 is turned on is determined as “Yes”, and the process proceeds to a step 910.

When the electronic control unit 10 is shipped or when the board 12 is replaced, the data of each address in the EEPROM 14 is "00" or "FF" (hexadecimal notation). EEPROM used by an electrolyzed water generation program (see step 925) described later
It is necessary to initialize the data (storage content) in 14 to a basic value suitable for the electrolyzed water generator to be controlled. Step 910 is a step of performing this initialization. At this time, the microcomputer 13 stores data corresponding to the short-circuit state of each connection pin of the connector 23 (how many pins are short-circuited) from a predetermined area of the ROM. Read and EEPROM
14 to be stored.

After that, the microcomputer 13 proceeds to step 915 and displays the EEPROM 14 on the display panel 31.
It is determined whether or not there is an instruction to write data into the memory (eg, the operation of the second switch 32 described above). Normally EEPRO
Since there is no write instruction to M14, the microcomputer 13 proceeds to step 925, and executes the electrolyzed water generation program in step 925. This electrolyzed water generation program is similar to the electrolyzed water generation program of the third embodiment, but is configured to use data in the EEPROM 14 when executed. Therefore, the microcomputer 13 executes control using the data selected according to the short-circuit state of the connection pin of the connector 23.

On the other hand, it is possible to write data (change data) to the EEPROM 14 in order to finely adjust the control amount according to the installation environment (for example, the type of raw water) of the electrolyzed water generator. That is, when the microcomputer 13 determines in step 915 that there is an instruction to write data, the microcomputer 13 proceeds to step 920 and proceeds to step 920.
At 0, the value set by the display panel 31 is written into a predetermined storage area in the EEPROM 14 corresponding to the type of the specified data, and then the process proceeds to step 925 to execute the electrolyzed water generation device program. Therefore, the microcomputer 13 controls the electrolyzed water generator using the changed data thereafter.

In a normal case where the user turns on the power switch 39 without pressing (turning on) the first switch 31, the microcomputer 13 proceeds to step 90.
The process proceeds to 0, 905, 915, and if there is no writing instruction from the display panel 31, the electrolyzed water generation program of step 925 is executed, and after execution, the process returns to step 915.

According to the above-described fourth embodiment, when a predetermined condition (the condition for initializing the data in the EEPROM 14) is satisfied, that is, the condition that the first switch is pressed to turn on the power switch is satisfied. When the data in the EEPROM 14 used in the electrolyzed water generation program is
Initialized to a value suitable for the model to be controlled. In addition, the data initialized by writing data from the display panel 30 can be changed.
Control that is compatible with the installation environment can be achieved.
This also means that if the installation location of the device is changed after the data in the EEPROM has been changed according to the installation environment of the device, it is necessary to initialize the data in the EEPROM again. Even in such a case, the present device can initialize the data in the EEPROM 14 by pressing the first switch and turning on the power switch, and can omit a complicated operation of initializing the data. Has advantages.

In step 905, a predetermined condition (E
The determination as to whether or not the condition for initializing the data in the EPROM 14) is satisfied is made by determining whether or not the first switch 31 is turned on. When the board 12 is replaced, EE
Since the data in the PROM 14 is “FF” or “00”, it is determined in step 905 whether “the data in the EEPROM 14 is a predetermined value (“ FF ”,“ 00 ”)”. , If it is a predetermined value, step 9
You may be comprised so that it may progress to 10. In this case, since the operator does not need to press the first switch 31, the workability related to the initialization is improved.

Next, a fifth embodiment will be described.
The fifth embodiment uses a connector 2 used as a program selection (or data selection) connector in the first to fourth embodiments.
The third embodiment differs from the first to fourth embodiments only in that a connector 16 (see FIG. 1) is used instead of the third embodiment.

The connector 16 has substantially the same structure as that of the connector 23. The male side is fixed on the board 12 and five connecting pins are erected.
2 are connected to the microcomputer 13 by wiring (including printed wiring). The first connection pin from the left in FIG. 1 among the five connection pins is grounded, and then the first, second, third and fourth pins are arranged from the left. The female side of the connector 16
It has the same structure as the female side of the connector 23, and is inserted and connected to the male side. As shown in FIG. 1, the connector 16 is bound by a binding band 25 to a conductor connecting the connector 17 and the connector 21.

In the electric control circuit 10 of the fifth embodiment having the connector 16 configured as described above,
In the following, a description will be given of a case where the connector is replaced for repair. First, an operator pulls out the female side 21 c of the connector from the side plate 19 of the electric control device 10. Subsequently, the electric control device 10 is taken out from the electrolyzed water generation device main body 50, and the display panel 30 and the ceiling plate are removed. Next, after the female sides of the connectors 16 and 17 are pulled out from each male side, the board 12 is removed from the bottom plate 11 and the replacement board 12 is fixed to the bottom plate 11. Subsequently, the connector 1 attached to the replaced substrate 12
The male side of each of the male and female 6 and 17 is inserted and connected to the female side, and the display panel 30 and the ceiling plate are attached, and the electric control device 10 is returned into the electrolyzed water generating device main body 50. The work is completed by inserting the side 21c into the male side 21a.

In the electric control device 10 according to the fifth embodiment, when the board 12 is replaced at the installation location, the female side of the connector 16 used before replacement is replaced with the male side of the connector 16 of the replaced board 12. The specifications are set by a very simple operation of simply inserting the sides. Further, since the female side of the connector 16 is bound to the lead wire connected to the connector 17 by the binding band 25,
There is an advantage that there is no risk of being lost at the time of replacement.

As described above, according to the present invention, one of the connectors provided on the case outer plate of the electric control device including the microcomputer or one of the connectors provided on the board on which the microcomputer is mounted, The extremely simple operation of connecting the other end of the connector allows the electrical control device to be changed to a device with specifications compatible with various models, greatly improving the workability during shipping, repair, and specification changes. Be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of an electric control device according to first to fifth embodiments of the present invention.

FIG. 2 is a display panel attached to the front of the electric control device shown in FIG.

FIG. 3 is a perspective view of the connector for program selection shown in FIG. 1;

FIG. 4 is a cross-sectional view of the connector in a state where the control signal input / output connector and the program selection connector shown in FIG. 1 are mounted.

5 is an overall view of an electrolyzed water generation device main body in which the electric control device shown in FIG. 1 is used.

FIG. 6 is a flowchart of the electric control device according to the first embodiment of the present invention.

FIG. 7 is a flowchart of an electric control device according to a second embodiment of the present invention.

FIG. 8 is a flowchart of an electric control device according to a third embodiment of the present invention.

FIG. 9 is a flowchart of an electric control device according to a fourth embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... Electric control device, 12 ... Substrate, 13 ... Microcomputer, 14 ... EEPROM, 21 ... Control signal input / output connector, 23 ... Program selection connector, 23a
... male side, 23c ... female side, 24 ... connection wire, 25 ... binding band

Claims (3)

[Claims] 1. An electric control device comprising: one of a connector having a plurality of connection terminals; and a microcomputer connected to one of the connectors, and controlling a connected control target component. A storage unit storing a program in advance; and selecting and executing a predetermined program from the plurality of programs according to a state of the plurality of connection terminals determined by the other of the connectors connected to one of the connectors. An electric control device, comprising: a program executing means, wherein the microcomputer controls the control target component by executing the selected program. 2. An electric control device comprising: one of a connector having a plurality of connection terminals; and a microcomputer connected to one of the connectors, and controlling a connected control target component. A storage unit in which a program using data and a plurality of data are stored in advance, and from among the plurality of data according to a state of the plurality of connection terminals determined by the other of the connectors connected to one of the connectors Program execution means for selecting predetermined data used for the program and executing the program stored in the storage unit, wherein the microcomputer executes the program using the selected data. An electric control device characterized in that the control target component is controlled by the control unit. 3. A connector having a plurality of connection terminals, a microcomputer connected to one of the connectors, storage means for storing data input from outside even when power is not supplied, and storage means. A data input unit for inputting data to the electronic control unit, wherein the microcomputer controls a connected control target component, wherein the microcomputer includes: a program using data stored in the storage unit; and a plurality of data. A storage unit stored in advance, data changing means for changing data in the storage means in accordance with data input from the data input means, and the plurality of connectors determined by the other of the connectors connected to one of the connectors According to the state of the connection terminal, predetermined data is selected from a plurality of data stored in the storage unit and the data is stored in the storage unit. A data initialization unit that stores the program in the storage unit; and a program execution unit that executes the program stored in the storage unit. The microcomputer uses the data stored in the storage unit to execute the program. An electric control device characterized in that the control target component is controlled by executing the control.