JPH06339692A - Ionic water generator - Google Patents

Abstract

PURPOSE:To provide a generator for obtaining an ionic water and strong-acidic water, having a power supply for electrolysis separated from a control power supply and capable of increasing the capacity of the power supply for electrolysis by substituting a semiconductor element for control rectification for a relay action. CONSTITUTION:This ionic water generator is composed of a semiconductor element bridge for control rectification, with a completely separated common part shared by a control power supply, which includes semiconductor elements 1a, 1b, 2a, 2b for electrolysis/cleaning level generation, semiconductor elements 3, 4 for control rectification which is used for electrolysis level ON/OFF, and semiconductor elements 5, 6 for control rectification which is used for cleaning level ON/OFF. In addition, a three-step control rectification semiconductor element trigger part which drives these three-step control rectification semiconductor elements 1a, 1b, 2a, 2b, and a control part 7 which sends a control signal whose timing is controlled by zero cross data to the control rectification semiconductor element trigger part and controls each control rectification semiconductor element ON/OFF.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ion water generator capable of producing alkaline ionized water and acid water, and more specifically, it takes measures to eliminate obstacles such as heat generation and replaces relay operation with control rectification semiconductor element operation. And an ionized water generator capable of increasing the capacity of the electrolytic power source. The ionized water generator includes an alkaline ionized water generator that supplies alkaline ionized water to the user and a strongly acidic water generator that supplies strongly acidic water with low PH to the user.

[0002]

2. Description of the Related Art FIG. 2 is a block diagram of a conventional ionized water generator, in which a control unit (microcomputer) sends a control signal for designating an electrolysis level corresponding to a designated PH to a power supply voltage designation relay 2
1 (including the relay drive unit), power transformer 2
The electrolytic level is set by switching the stage of the next tap. The electrolysis power of the electrolysis level obtained by rectifying the AC voltage connected by the power supply voltage designating relay 21 by the rectification diode bridge 22 is applied to the electrolysis tank. In this case, the control unit controls the electrolysis / cleaning relays 23, 24 as control signals. Switch to the connection shown in Fig. 2, and the electrolytic ON / OFF relay 2
5 is turned on by a control signal for turning on electrolysis, and electrolysis voltage is applied to the electrolyzer to control electrolysis.

When the electrolysis is completed and the electrode cleaning is started, the control section sends a cleaning switching control signal to the electrolysis / cleaning relays 23 and 24 to switch the connection and apply a cleaning voltage of reverse polarity to the electrolytic cell. Perform cleaning control. In addition, these power supply voltage designation relay 21, electrolysis / cleaning relays 23 and 24, electrolysis O
The N / OFF relay 25 includes a drive unit that operates according to a control signal from the control unit, and the operating power of the drive unit is supplied as the control power supply 26 as indicated by the thin dotted line in FIG. The power supply 26 also includes a stabilized control power supply supplied to the control unit 28. Such an electrolysis power source portion and a control power source portion have a ground potential (hereinafter referred to as GND) pattern 2 in FIG.
7, there is a common portion of the substrate pattern as shown by a thick line. A, C, E, and D of the control unit 28 are control voltage output terminals to the electrolytic voltage designation relay 21, the electrolytic / cleaning relays 23 and 24, and the electrolytic ON / OFF relay 25, respectively.

[0004]

However, in the prior art shown in FIG. 2, since the electrolysis power source and the control power source have a common part such as GND, the resistance component is long when the GND pattern is long or thin. Becomes larger, the electrolytic current is limited and the pattern heats up. In addition, heat generated by the electrolytic current of each relay and the like cannot be ignored, and there is a problem that these obstacles become large especially when a large current is required as in the generation of strongly acidic water. The present invention has been made in view of the above-mentioned problems, and it is possible to completely separate the shared portion of the electrolysis power source and the control power source,
Cleaning level generation control rectification semiconductor element, electrolytic ON / O
An ion water generator capable of increasing the capacity of the electrolytic power source by eliminating relays and eliminating heat generation troubles, etc. by using FF control rectification semiconductor elements and cleaning ON / OFF control rectification semiconductor elements. It is intended to be provided.

[0005]

In order to achieve the above-mentioned object, the present invention is to apply a positive voltage between electrodes of an electrolytic cell to generate ionic water and acidic water by electrolysis, and to have opposite polarities between the electrodes. Controlled rectifying semiconductor element bridge for generating forward / reverse voltage in an ionized water generator that performs cleaning by applying the above voltage, which completely separates the shared portion with the control power source such as the ground potential pattern, and the control of the bridge. A control rectification semiconductor element trigger unit for driving a rectification semiconductor element, two control rectification semiconductor elements for positive / negative voltage ON / OFF, which completely separates the shared portion with the control power source, and a reverse polarity voltage ON A positive voltage ON that completely separates the shared part of the control rectification semiconductor element trigger part for driving the OFF control rectification semiconductor element and the control power source.
Two control rectification semiconductor elements for OFF, a control rectification semiconductor element trigger unit for driving the control rectification semiconductor elements for reverse polarity voltage ON / OFF, and a control signal whose timing is adjusted by a zero-cross detection signal The present invention is characterized by comprising a control unit for sending to the control rectification semiconductor element trigger section to perform ON / OFF control of each of the control rectification semiconductor elements.

[0006]

With the above structure, the control unit separates the control / rectification semiconductor element for generating the electrolytic / cleaning voltage level, which is separated from the portion shared with the control power source, by the control signal from the control / rectification semiconductor element trigger section. Controlled rectification semiconductor element for electrolytic ON / OFF, which is controlled to generate a desired electrolysis / cleaning voltage level and is separated from the shared portion with the control power source, is controlled by the control rectification semiconductor element trigger section of the same configuration. Controlled rectification semiconductor for cleaning voltage ON / OFF which separates the part shared with the control power supply when the electrolysis tank is turned on to electrolyze the electrolysis cell to electrolyze, and when the electrolysis is finished and the cleaning is started. The element is turned on by a control signal via the semiconductor rectifier semiconductor element trigger part for control rectification of the same configuration, and a cleaning voltage of opposite polarity is applied to the electrolytic cell for cleaning. It performed so, it is possible to increase the capacity of the electrolytic power supply is replaced with the relay operation eliminates shared portion of the control power supply and the electrolytic power control rectifying semiconductor element operation.

[0007]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram of a strongly acidic water generator according to an embodiment of the present invention.

In this embodiment shown in FIG. 1, semiconductor devices 1a, 2a, 1b, 2 for controlled rectification whose turn-on time is controlled.
The control rectification semiconductor element bridge 10 for generating the electrolysis / cleaning voltage level from the AC input including b, and the control rectification semiconductor element bridge 1 which is turned on at the start of electrolysis.
The controlled rectification semiconductor elements 3 and 4 for electrolysis ON / OFF for applying the electrolysis voltage level generated at 0 to the electrolysis cell, and turned on when the electrolysis is completed and the electrode cleaning is started,
The electrolysis power supply unit is constituted by the control rectification semiconductor elements 5 and 6 for cleaning ON / OFF for applying the cleaning voltage level generated from the control rectification semiconductor element bridge 10 to the electrolytic cell with the opposite polarity. This electrolysis power source section is constructed by completely separating the common portion such as the GND pattern with the control power source described later.

The circuit shown in the next stage of the electrolytic power source section in FIG. 1 is a control power source section, which is an AC rectifier circuit comprising a diode bridge 11 and a capacitor C0, and control rectifying semiconductor elements 1a, 2a, 1b, 2b, 3 to. AC to the gate of 6
Trigger units 12, 13, 14 that output frequency synchronization,
It is composed of a control power supply stabilizing circuit which is stabilized by R of a constant voltage circuit and a regulator circuit of C1 and C2.

The control rectification semiconductor element trigger section 12 for the control rectification semiconductor elements 1a, 2a, 1b, 2b for generating the electrolysis / cleaning voltage level includes a pulse transformer P for generating a trigger pulse and a control signal from the control section. It is composed of a switch Tr for turning on / off the trigger pulse. Further, the control rectification semiconductor element trigger unit 13 for the electrolysis ON / OFF control rectification semiconductor elements 3 and 4 is used.
Also, the control rectification semiconductor element trigger unit 14 for the cleaning ON / OFF control rectification semiconductor elements 5 and 6 has the same configuration. In addition, 1g, 2g, 3g, 4g, 5g and 6g are semiconductor elements 1a, 2a, 1b, 2b for controlled rectification, respectively.
The gate terminals 3, 4, 5 and 6 are shown.

In addition, with reference to the zero-cross data from the zero-cross detection unit 15, a control unit 7 for controlling the generation of the electrolysis / cleaning voltage level, electrolysis ON / OFF, cleaning ON / OFF, and microcomputer operation of the entire apparatus. Composed of.

Next, the operation will be described. Control unit 7
Is timing-adjusted by the data from the zero-cross detection 15, and outputs a control signal for duty ratio control corresponding to the electrolytic voltage level of the designated PH to the controlled rectifying semiconductor element 1a,
2a, 1b, 2b control rectification semiconductor element trigger unit 1
Send to 2. This control signal causes the Tr of the controlled rectification semiconductor element trigger unit 12 and the trigger pulse generated from the pulse transformer P to be the controlled rectification semiconductor elements 1a, 2
A trigger voltage is output to the gate terminals 1g, 2g of a, 1b, 2b to generate a specified electrolysis level.

The control section 7 sends a control signal for electrolysis ON to the control rectification semiconductor element trigger section 13 of the control rectification semiconductor elements 3 and 4 to turn ON the control rectification semiconductor elements 3 and 4.
Then, an electrolytic voltage is applied to the electrolytic cell to start electrolysis. When the electrolysis is completed, each control signal is turned off to turn off the output of the electrolysis voltage, and the controlled rectifying semiconductor elements 1a, 2a, 1
b and 2b and the control rectification semiconductor elements 3 and 4 are turned off.

The control section 7 shifts to the cleaning operation and sends a control signal for generating a cleaning level to the control rectification semiconductor element trigger section 12 to trigger the control rectification semiconductor elements 1a, 2a, 1b and 2b to generate a cleaning voltage. Let Then, wash ON
Is sent to the control rectification semiconductor element trigger unit 14 of the control rectification semiconductor elements 5 and 6 to trigger the control rectification semiconductor elements 5 and 6 to apply a cleaning voltage having a polarity opposite to that of electrolysis to the electrolytic cell. And wash. When the cleaning is completed, each control signal is turned off, and the controlled rectifying semiconductor elements 1a, 2a,
The semiconductor devices 5 and 6 for control rectification and 1b and 2b are turned off to return to the electrolysis start state.

Further, a semiconductor element 1 for controlled rectification of an electrolytic power source.
a, 2a, 1b, 2b, 3 to 6 are mounted on another mounting plate outside the PCB board for the control power source by using the control rectification semiconductor element module or the like, and the control rectification semiconductor element modules are wire-connected. If it is configured so that it is grounded and radiates heat, it can be more completely separated from the control power supply, and the capacity of the electrolytic power supply can be increased. Therefore,
Since a large capacity semiconductor element module for controlled rectification can be used with good heat dissipation effect, it becomes easy to generate strongly acidic water of PH3 or less which requires a large current. Although the ion water / strongly acidic water generator is shown in the above embodiment, it may be used as an alkaline ion water generator.

Although 1b and 2b are semiconductor devices for control rectification having a gate electrode, these 1b and 2b may be replaced with twin diodes.

[0017]

As described above, according to the present invention,
A control rectification semiconductor element bridge for electrolysis / cleaning voltage level generation, a control rectification semiconductor element for electrolysis ON / OFF, and a control rectification semiconductor element for cleaning ON / OFF, in which the shared portion with the control power supply is completely separated. Since a control unit for controlling the operation of each control rectification semiconductor element by the control signal is provided, the electrolysis power supply is completely separated from the control power supply and each relay operation is replaced by the control rectification semiconductor element. It has the effect of increasing the capacity of the tank and facilitating the production of acidic water and the composition for commercial use.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a strongly acidic water generator according to an embodiment of the present invention.

FIG. 2 is a configuration diagram of a conventional ionized water generator.

[Explanation of symbols]

1a, 2a, 1b, 2b Electrolysis / cleaning voltage level generation control rectification semiconductor element 3,4 Electrolysis ON / OFF control rectification semiconductor element 5,6 Cleaning ON / OFF control rectification semiconductor element 7 Control unit

Claims (1)

[Claims] 1. An ion water generator for performing cleaning by applying a positive voltage between electrodes of an electrolytic cell to generate ionic water and acidic water by electrolysis, and applying a voltage of opposite polarity between the electrodes for cleaning. A control rectification semiconductor element bridge for generating forward / reverse voltage, which is completely separated from a common portion of the ground potential pattern or the like with a control power supply, and a control rectification semiconductor element trigger section for driving the control rectification semiconductor element of the bridge. , The positive voltage O which completely separates the common part with the control power supply
Completely separates the shared part of the two control rectification semiconductor elements for N / OFF, the control rectification semiconductor element trigger part for driving the control rectification semiconductor element for reverse polarity voltage ON / OFF, and the control power source. Positive voltage ON / OF
Two controlled rectification semiconductor elements for F and reverse polarity voltage ON
A control rectification semiconductor element trigger unit that drives an OFF control rectification semiconductor element, and a control signal whose timing is adjusted by a zero-cross detection signal to each control rectification semiconductor element trigger unit to send each control rectification semiconductor element An ion water generator comprising a control unit for controlling ON / OFF of an element.