TWM467509U - Electrode plate and electrode set - Google Patents

Description

Electrode plate and electrode group

The present invention relates to an electrode plate, and more particularly to an electrode plate that can be quickly assembled into an electrode group.

With the improvement of living standards, people pay more and more attention to the quality and effectiveness of drinking water. From the past tap water only need high-temperature heating and boiling, to install RO reverse osmosis water purifier, and even in recent years, due to domestic and foreign reports, and the promotion of production manufacturers, electrolyzed water has gradually been known and accepted and used. . The electrolyzed water system uses the principle of electrolysis to separate the acidic water generated from the positive and negative electrodes from the alkaline water. Among them, acidic water (pH value less than 7) can be used for beauty and skin care, due to human skin and The hair is weakly acidic, and washing with acidic water helps to maintain the shine of the hair and prevent acne and acne. In addition, most bacteria are difficult to survive in an acidic environment, so acidic water can be used for environmental disinfection and sterilization. As for alkaline water (pH value greater than 7), it can be used for raw drinks and food. Alkaline water can remove free radicals (acid acids), strengthen immunity, improve indigestion, and hyperacidity. Reduce the incidence of disease.

At present, the use of the electrolytic cell has three-pole two-slot, five-pole four-slot, seven-six-six-slot configuration, and the more the number of poles and slots, the better the efficiency of generating electrolyzed water. However, the design of the electrolysis water machine produced in the workshop has poor design of the electrode plates and the water flow channels, and there are generally defects such as large volume, high mold cost, and difficulty in assembly. In addition, since the ion film is conventionally bonded by heat pressing, it often causes problems such as cracking and poor bonding.

An object of the present invention is to provide an electrode plate comprising a positioning recess and a movable baffle. By corresponding arrangement of the movable baffle and the positioning recess, a plurality of electrode plates can be stacked to quickly assemble into a raw water flow path. An electrode group of an alkaline water channel and an acidic water channel.

Another object of the present invention is to provide an electrode assembly in which the electrode plates only need to be produced by the same mold, and the movable baffle can have the advantages of quick assembly and space saving.

According to an embodiment of the present invention, an electrode plate is provided for an electrolysis machine, the electrode plate comprising an insulating frame, a conductive sheet and a plurality of movable baffles. The insulating frame surrounds a hollow region and includes a plurality of positioning recesses. The positioning recesses are disposed on one surface of the insulating frame, and each of the positioning recesses is provided with a water passing hole, and the hollow holes are connected by the water holes. The conductive sheet is connected to the insulating frame and partially shields the hollow region. Each movable baffle has a uniform hole, and each movable baffle is selectively disposed in the positioning concave portion such that the through hole of the movable baffle corresponds to the water passing hole of the positioning concave portion, and the movable baffle blocks the water passing hole of the positioning concave portion Connected to the hollow area.

According to the foregoing electrode plate, the insulating frame may further comprise a frame-shaped groove, and the frame-shaped groove is disposed on the other surface of the opposite positioning recess of the insulating frame, and the frame shape The groove surrounds the hollowed out area. The electrode plate may further comprise an ion film, and the ion film completely covers the hollow region, and the ion film may be pressed into the frame-shaped groove of the insulating frame by a positioning frame to be fixed to the insulating frame.

According to the foregoing electrode plate, the electrode plate may further comprise a plurality of barrier ribs. The barrier ribs may be equidistantly disposed on one surface of the conductive sheet. The barrier ribs may also be disposed in pairs on the two surfaces of the conductive sheet such that the conductive sheets are sandwiched between the barrier ribs.

According to the foregoing electrode plate, the conductive sheet can be embedded in the insulating frame, and the conductive sheet The two conductive terminals may be further included, and the conductive terminals and the conductive sheets may be integrally connected.

According to another embodiment of the present invention, an electrode assembly is provided for In the electrolysis water machine, the electrode group comprises two electrodes and an ion membrane, wherein one electrode plate is electrically connected to the positive electrode of the DC power source, the other electrode plate is electrically connected to the negative electrode of the DC power source, and the ion film is disposed on the two electrodes. Between the two hollow areas of the board, the two electrode plates are closely overlapped, and cooperate with the movable baffle to form a raw water flow path, an alkaline water flow path and an acidic water flow path.

According to still another embodiment of the present invention, an electrode group is provided for In the electrolysis water machine, the electrode assembly comprises two electrode plates and a ionic membrane provided with a frame-shaped groove, wherein one electrode plate is electrically connected to the positive electrode of the DC power source, and the other electrode plate is electrically connected to the negative electrode of the DC power source. The ion film is disposed between the two hollow regions of the two electrode plates, and the ion film is pressed into the frame-shaped groove of one of the electrode plates by a positioning frame, the two electrode plates are closely overlapped, and the movable baffle is matched to form a Raw water flow channel, an alkaline water flow channel and an acidic water flow channel.

100‧‧‧electrode plate

110‧‧‧Insulation frame

111, 112, 113, 114‧‧‧ positioning recess

111a, 112a, 113a, 114a‧‧‧ water holes

115‧‧‧Frame groove

116‧‧‧ positioning frame

120‧‧‧镂空区

130‧‧‧Conductor

131‧‧‧Electrical terminals

132‧‧‧Electrical terminals

141, 142, 143, 144‧‧‧ active baffles

141a, 142a, 143a, 144a‧‧

150‧‧‧Ion film

160‧‧‧ ribs

400‧‧‧Power supply

210, 310‧‧‧ raw water runner

220, 320‧‧‧ acidic water flow channel

230, 330‧‧‧Alkaline water channel

240, 340‧‧‧ positive electrolysis zone

250, 350‧‧‧ negative electrode electrolysis zone

The above and other objects, features, advantages and implementations of the present invention are made. The example can be more clearly understood, and the description of the drawings is as follows: FIG. 1A is a perspective view of an electrode plate according to an embodiment of the present invention.

Fig. 1B is a perspective view showing another angle of view of the electrode plate of Fig. 1A.

2A is a perspective view of an electrode plate in accordance with another embodiment of the present invention.

2B is a partial cross-sectional view showing the electrode plate of FIG. 2A along the cut surface line 2b-2b.

3 is a perspective view of an electrode assembly in accordance with still another embodiment of the present invention.

Fig. 4 is an exploded perspective view showing the electrode group of Fig. 3.

Fig. 5A is a schematic cross-sectional view showing the electrode group of Fig. 3 along the cut surface line 5a-5a.

Fig. 5B is a schematic cross-sectional view showing the electrode group of Fig. 3 along the cut surface line 5b-5b.

Fig. 6A is an enlarged view showing a portion of Fig. 5A.

Fig. 6B is an enlarged view showing a portion b in Fig. 5A.

Fig. 6C is an enlarged view showing a portion c in Fig. 5B.

Fig. 7 is a perspective view showing an electrode group according to still another embodiment of the present invention.

Fig. 8 is an exploded perspective view showing the electrode group of Fig. 7.

Fig. 9A is a schematic cross-sectional view showing the electrode group of Fig. 7 along the cut surface line 9a-9a.

Fig. 9B is a schematic cross-sectional view showing the electrode group of Fig. 7 along the cut surface line 9b-9b.

1A and 1B, FIG. 1A is a perspective view of an electrode plate 100 according to an embodiment of the present invention, and FIG. 1B is a perspective view showing another view of the electrode plate 100 of FIG. 1A. The electrode plate 100 is used for a water electrolysis machine, and the electrode plate 100 can be used as a positive electrode plate or a negative electrode plate, depending on the electrode plate 100 connected to a positive electrode or a negative electrode of a power source (not shown).

The electrode plate 100 includes an insulating frame 110, a conductive sheet 130 and a plurality of movable baffles 141 (only one of which is disclosed in FIG. 1A). The conductive sheet 130 is embedded in the insulating frame 110, and the movable baffle 141 is detachably disposed in the insulating frame. 110.

The insulating frame 110 is made of an insulating and acid-resistant material, such as ABS plastic. The insulating frame 110 surrounds a hollow region 120. The four corners of one surface of the insulating frame 110 are provided with positioning recesses 111, positioning recesses 112, and positioning recesses 113. And the positioning recess 114, wherein the positioning recess 111 includes a water passing hole 111a, the positioning concave portion 112 includes a water passing hole 112a, the positioning concave portion 113 includes a water passing hole 113a, and the positioning concave portion 114 includes a water passing hole 114a. The water passing holes 111a to 114a communicate with the hollow region 120, and more specifically, a fluid flows into or out of the hollow region 120 through the water passing holes 111a to 114a. The other surface of the insulating frame 110 is provided with a frame-shaped recess 115 (see FIG. 1B), and the frame-shaped recess 115 surrounds the hollowed-out region 120.

The conductive sheet 130 partially shields the hollow region 120 and is embedded in the insulating frame 110, whereby, when a plurality of electrode plates 100 are overlapped with each other, the electrode plates 100 are closely connected by the insulating frame 110, and the conductive sheets 130 of the different electrode plates 100 are electrically separated from each other. The conductive sheet 130 further includes a conductive terminal 131 and a conductive terminal 132. The conductive terminal 131 and the conductive terminal 132 are integrally connected with the conductive sheet 130. That is, the conductive sheet 130 is embedded in the insulating frame 110 by the hollow region 120 and has the conductive terminal 131 and the conductive terminal. 132 is exposed from the outer side of the insulating frame 110, and the conductive sheet 130 is connected to the positive electrode or the negative electrode of the power source (not shown) by the conductive terminal 131 or the conductive terminal 132.

The movable baffle 141 has a constant hole 141a, and the movable baffle 141 According to actual needs, the positioning recess 111, the positioning recess 112, the positioning recess 113 or the positioning recess 114 are disposed, so that the through hole 141a of the movable baffle 141 corresponds to the water passing hole of the positioning recess provided therein, thereby The movable baffle 141 blocks the water-passing hole of the positioning recess at the place where it is disposed and communicates with the hollowed-out area 120. More specifically, the movable baffle 141 prevents a fluid from flowing between the water-passing hole and the hollowed-out area 120. .

The electrode plate 100 further includes six barrier ribs 160, and the barrier ribs 160 are formed The conductive sheets 130 are disposed between the two ribs 160 on the two surfaces of the conductive sheet 130. Further, the ribs 160 disposed on the same surface are equidistant from each other, thereby preventing the conductive sheet 130 from being bent and deformed. When the plurality of electrode plates 100 are overlapped with each other, the electrical insulation between the conductive sheets 130 of the different electrode plates 100 can be maintained, thereby facilitating miniaturization of the water ionizer.

Please refer to Figures 2A and 2B. Figure 2A shows the A perspective view of an electrode plate 100 according to another embodiment of the present invention, and FIG. 2B is a partial cross-sectional view of the electrode plate 100 of FIG. 2A along the face line 2b-2b. Figure. In the present embodiment, the electrode plate 100 further includes an ion film 150. The ion film 150 completely covers the hollow region 120, and the ion film 150 is pressed into the frame groove 115 by a positioning frame 116 to be fixed to the insulating frame 110. The ionic membrane 150 refers to a membrane through which positive ions and negative ions can pass, for example, hydrogen ions and hydroxide ions can pass through, but can block the passage of water molecules. The ionic membrane 150 is a conventional technique and will not be described herein. Since the ion membrane 150 is clogged due to the occurrence of calcium or the like during use, it needs to be replaced periodically. Compared with the conventional method of fixing the ion membrane and the insulating frame, the present invention presses the ion membrane 150 into the frame-shaped recess 115 correspondingly. On the one hand, the ion film 150 can be quickly fixed to the insulating frame 110, and on the other hand, the ion film 150 is facilitated, which is advantageous for assembly and maintenance of the water ionizer.

Please refer to Figures 3 to 5B. Figure 3 shows the new A perspective view of an electrode group of another embodiment, FIG. 4 is an exploded perspective view of the electrode assembly of FIG. 3, and FIG. 5A is a cross-sectional view of the electrode group of FIG. 3 along the face line 5a-5a. FIG. 5B is a schematic cross-sectional view showing the electrode group of FIG. 3 along the cut surface line 5b-5b. The electrode group is used for a water electrolysis machine, and the electrode group comprises two electrode plates 100 in FIG. 1A and an ion film 150, and the electrode plate 100 located above is connected to the positive electrode of the power source 400 (see FIG. 4), located below The electrode plate 100 is connected to the negative electrode of the power source 400 (see FIG. 4), the two electrode plates 100 are closely overlapped, the ion film 150 is disposed between the two hollow regions 120 of the two electrode plates 100, and the ion film 150 is positioned by a positioning frame. 116 correspondingly presses the frame-shaped recess 115 of the upper electrode plate 100 to completely cover the hollowed-out region 120 of the upper electrode plate 100, thereby forming the positive electrode electrolysis zone 240 and the negative electrode electrolysis zone 250 (see FIG. 5A or FIG. 5B). ),from The sub-film 150 only allows ions to flow between the positive electrode electrolysis zone 240 and the negative electrode electrolysis zone 250, and water molecules or other fluid molecules can be prevented from flowing between the positive electrode electrolysis zone 240 and the negative electrode electrolysis zone 250, that is, when the electrode set is used. When the water is electrolyzed, the acidic water generated in the positive electrode electrolysis zone 240 can be prevented from mixing with the alkaline water generated in the negative electrode electrolysis zone 250.

The upper electrode plate 100 is located at the lower left corner of the positioning recess 111 (See FIG. 1A) A movable baffle 141 is provided. The movable baffle 141 has a constant hole 141a, and the positioning recess 113 (see FIG. 1A) in the upper right corner is provided with a movable baffle 143, and an active baffle 143 has a consistent aperture 143a. The lower electrode plate 100 is provided with a movable baffle 142 at the upper left corner of the positioning recess 112 (see FIG. 1A). The movable baffle 142 has a constant hole 142a and a positioning recess 113 in the upper right corner (see FIG. 1A). The movable baffle 143 is provided, and the movable baffle 143 has a constant hole 143a, thereby forming a raw water flow path 210 (see FIG. 5A), an alkaline water flow path 230 (see FIG. 5A), and a The acidic water channel 220 (see FIG. 5B), wherein the raw water channel 210 is formed by the positioning concave portion 114 of the upper electrode plate 100, the water passing hole 114a, the positioning concave portion 114 of the lower electrode plate 100, and the water passing hole 114a. The water flow channel 230 is formed by the through hole 141a of the movable baffle 141 of the upper electrode plate 100, the water passing hole 111a of the positioning concave portion 111, the positioning concave portion 111 of the lower electrode plate 100, and the water passing hole 111a. The acidic water flow path 220 is formed. It is formed by the positioning concave portion 112 of the upper electrode plate 100, the water passing hole 112a, the through hole 142a of the movable baffle 142 of the lower electrode plate 100, and the water passing hole 112a of the positioning concave portion 112.

Please also refer to Figure 5A and Figure 6A, Figure 6A shows the first In the enlarged view of the a portion in FIG. 5A, when the electrode group is used to electrolyze water, the raw water (not shown) is injected into the raw water flow path 210 from the positioning concave portion 114 of the upper electrode plate 100 in the direction of the arrow in the upper right direction of FIG. 6A. The raw water flows into the positive electrode electrolysis zone 240 from the positioning concave portion 114 of the upper electrode plate 100 and flows into the negative electrode electrolysis zone 250 from the positioning concave portion 114 of the lower electrode plate 100 to the left, and generates acidic water in the positive electrode electrolysis zone 240 by electrolysis. And alkaline water is generated in the negative electrode electrolysis zone 250. In the present specification, "raw water" means water that has not been electrolytically treated.

Please refer to Figure 6B at the same time. Figure 6B shows the picture b in Figure 5A. In the enlarged view of the portion, the acidic water generated in the positive electrode electrolysis zone 240 is blocked by the movable baffle 141 and cannot flow into the alkaline water flow channel 230, while the alkaline water in the negative electrode electrolysis zone 250 is unblocked and can flow into the alkaline water flow. Road 230. Please refer to FIG. 5B and FIG. 6C simultaneously. FIG. 6C is an enlarged view of the c portion in FIG. 5B. The acidic water generated in the positive electrode electrolysis zone 240 flows out to the left by the acidic water flow channel 220, and the negative electrode electrolysis zone 250 The generated alkaline water is blocked by the movable baffle 142 and cannot flow into the acidic water flow path 220.

It can be seen from the foregoing embodiments that the overlap of the two electrode plates 100 and With the arrangement of the movable baffle 141, the movable baffle 142 and the movable baffle 143, acid and alkaline water can be introduced into different flow paths and applied separately, for example, acidic water can be used for cleaning, and alkaline water can be used. By drinking, by this structure, the electrode plate 100 can be quickly assembled into a water ionizer, and the assembled water ionizer has the advantages of small size and space saving.

Please refer to Figures 7 to 9B. Figure 7 shows the new A perspective view of an electrode group according to still another embodiment, and FIG. 8 shows a seventh figure FIG. 9A is a schematic cross-sectional view showing the electrode group of FIG. 7 along the cut surface line 9a-9a, and FIG. 9B is a view showing the electrode group of FIG. 7 along the cut surface line 9b- A schematic view of the section 9b. The electrode group is used for a water electrolysis machine, and the electrode group includes three electrode plates 100 and a diion film 150 in FIG. 1A, and the electrode plate 100 located above and the electrode plate 100 located below are connected to the positive electrode of the power source 400 (see the 8)), the electrode plate 100 located in the middle is connected to the negative electrode of the power source 400 (see FIG. 8), the three electrode plates 100 are closely overlapped, and the ion film 150 is disposed between the hollow regions 120 of the three electrode plates 100, wherein An ion film 150 is completely pressed to the hollowed-out region 120 of the upper electrode plate 100 by a positioning frame 116 correspondingly pressed into the frame-shaped recess 115 of the upper electrode plate 100, and the other ion film 150 is pressed into the other positioning frame 116. The frame-shaped recess 115 of the middle electrode plate 100 completely covers the hollowed-out region 120 of the intermediate electrode plate 100, thereby not only avoiding the problem of cracking of the conventional simple fit, but also forming the positive electrode electrolysis zone 340 from top to bottom. The negative electrode electrolysis zone 350 and the positive electrode electrolysis zone 340 (see Fig. 9A or Fig. 9B), the ion membrane 150 only allows ions to flow between the positive electrode electrolysis zone 340 and the negative electrode electrolysis zone 350, while avoiding water molecules or other fluid molecules. Positive electrode electrolysis zone 340 and negative electrode electrolysis zone 350 Circulation, i.e. when electrolysis of water using this electrode group, the positive electrode can be avoided alkaline water produced by electrolysis zone 340 and the negative electrode electrolytic acidic water produced by mixing region 350.

The upper electrode plate 100 is provided with a movable baffle 141 at the lower left corner of the positioning recess 111 (see FIG. 1A). The movable baffle 141 has a constant hole 141a and a positioning recess 114 at the lower right corner (see FIG. 1A). The movable baffle 144 is provided, and the movable baffle 144 has a constant hole 144a. The centrally located electrode plate 100 is provided with a movable baffle 142 at the upper left corner of the positioning recess 112 (see FIG. 1A). The movable baffle 142 has a constant hole 142a and a positioning recess 114 in the lower right corner (see FIG. 1A). The movable baffle 144 is provided, and the movable baffle 144 has a constant hole 144a. The lower electrode plate 100 is provided with a movable baffle 141 at a lower left corner positioning recess 111 (see FIG. 1A), and a movable baffle 144 is disposed at a lower right corner positioning recess 114 (see FIG. 1A). Thereby, an alkaline water flow path 330 is formed (see Fig. 9A). A raw water channel 310 (see FIG. 9B) and an acidic water channel 320 (see FIG. 9B), wherein the alkaline water channel 330 is positioned by the through hole 141a of the movable baffle 141 of the upper electrode plate 100. The water-passing hole 111a of the recessed portion 111, the positioning recessed portion 111 of the intermediate electrode plate 100, the water-passing hole 111a, the through hole 141a of the movable baffle 141 of the lower electrode plate 100, and the water-passing hole 111a of the positioning recessed portion 111 are formed. The raw water flow path 310 is formed by the positioning concave portion 113 of the upper electrode plate 100, the water passing hole 113a, the positioning concave portion 113 of the intermediate electrode plate 100, the water passing hole 113a, the positioning concave portion 113 of the lower electrode plate 100, and the water passing hole 113a. The acidic water flow path 320 is defined by the positioning concave portion 112 of the upper electrode plate 100, the water passing hole 112a, the through hole 142a of the movable baffle 142 of the intermediate electrode plate 100, the water passing hole 112a of the positioning concave portion 112, and the lower electrode plate 100. The recess 112 is formed with the water passing hole 112a.

In Figure 9B, when the electrode group is used to electrolyze water, the raw water is used. It is not disclosed that the raw water flow path 310 is injected from the positioning concave portion 113 of the upper electrode plate 100, and the raw water flows into the positive electrode electrolysis zone 340 from the positioning concave portion 113 of the upper electrode plate 100, respectively, to the left by the positioning concave portion 113 of the intermediate electrode plate 100. The negative electrode electrolysis zone 350 flows into the negative electrode electrolysis zone 340 and flows into the positive electrode electrolysis zone 340 from the lower positioning recess 113 of the lower electrode plate 100, generates acidic water by electrolysis in the positive electrode electrolysis zone 340, and generates alkaline water in the negative electrode electrolysis zone 350. The acidic water in the positive electrode electrolysis zone 340 is blocked by the movable baffle 141 and cannot flow into the alkaline water flow path 330, and the alkaline water of the negative electrode electrolysis zone 350 is not blocked and can flow into the alkaline water flow path 330. In Fig. 9A, the acidic water of the positive electrode electrolysis zone 340 flows out to the left by the acidic water flow path 320, and the alkaline water of the negative electrode electrolysis zone 350 is blocked by the movable baffle 142 and cannot flow into the acidic water flow path 320.

It can be seen from the foregoing embodiments that the electrode sheet of the present invention requires only a single mode. The utility model can reduce the cost, and can overlap the plurality of electrode sheets with the movable baffle according to the actual demand, and quickly assemble into a three-pole two-slot, a five-pole four-slot, a seven-pole six-slot, or even a nine-pole eight-slot. With the configuration, it can be quickly assembled into a water ionizer, and the assembled water ionizer has the advantages of small size and space saving.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Any one skilled in the art can make various changes and retouchings without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached.

100‧‧‧electrode plate

110‧‧‧Insulation frame

111, 112, 113, 114‧‧‧ positioning recess

111a, 112a, 113a, 114a‧‧‧ water holes

120‧‧‧镂空区

130‧‧‧Conductor

131, 132‧‧‧ conductive terminals

141‧‧‧Active baffle

141a‧‧‧Tongkong

160‧‧‧ ribs

Claims (10)

An electrode plate for an electrolysis water machine, the electrode plate comprising: an insulating frame surrounding a hollowed out area, the insulating frame comprising: a plurality of positioning recesses disposed on a surface of the insulating frame, each of the positioning recesses being provided with a pass a water hole, the water hole is connected to the hollow area; a conductive piece is connected to the insulating frame and partially shields the hollow area; and a plurality of movable baffles each having a consistent hole, each of the activities The flow blocking piece is disposed in the positioning concave portion such that the through hole of the movable baffle corresponds to the water passing hole of the concave portion, and the movable baffle block is used to block the water passing hole from communicating with the hollowed out area. The electrode plate of claim 1, wherein the insulating frame further comprises a frame-shaped groove disposed on the other surface of the insulating frame and surrounding the hollowed-out region. The electrode plate of claim 2, further comprising: an ion film completely covering the hollow region, and the ion film is pressed into the frame groove correspondingly by a positioning frame to be fixed to the insulating frame. The electrode plate of claim 1, further comprising: a plurality of barrier ribs disposed equidistantly on a surface of the conductive sheet. The electrode plate as claimed in claim 1 further comprises: A plurality of barrier ribs are disposed in pairs on the two surfaces of the conductive sheet, so that the conductive sheet is sandwiched between the barrier ribs. The electrode plate of claim 1, wherein the conductive sheet is embedded in the insulating frame. The electrode plate of claim 1, wherein the conductive sheet further comprises two conductive terminals. The electrode plate of claim 7, wherein the two conductive terminals are integrally connected to the conductive sheet. An electrode assembly for a water electrolysis machine, the electrode group comprising: the electrode plate according to claim 1, wherein one of the electrode plates is electrically connected to one of the DC power sources, and the other electrode plate and the DC electrode One of the power source is electrically connected to the negative electrode; and an ion film is disposed between the two hollow regions of the two electrode plates; wherein the two electrode plates are closely overlapped, and the active baffles are matched to form a raw water flow Road, an alkaline water channel and an acidic water channel. An electrode assembly for a water electrolysis machine, the electrode group comprising: the electrode plate according to claim 2, wherein one of the electrode plates is electrically connected to one of the positive current sources, and the other electrode plate and the direct current One of the power supplies is electrically connected to the negative pole; An ionic membrane is disposed between the two hollow regions of the two electrode plates, and the ion film is pressed into the frame-shaped recess of one of the electrode plates by a positioning frame; wherein the electrode plates are closely overlapped And engaging the active baffles to form a raw water flow path, an alkaline water flow path, and an acidic water flow path.