JP3583329B2 - Electrolyzer for electrolyzed water generator - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention is used in the technical field of an electrolyzed water generation apparatus that can generate electrolyzed water by electrolyzing a liquid to be electrolyzed such as a saline solution. The present invention relates to a structure of an electrolytic cell suitable for use.
[0002]
[Prior art]
Instead of a conventional box-type electrolytic cell, the electrolytic cell is designed so that it can be used in all applications without reducing the total number of parts and increasing the number of parts even when specifications differ. As an electrolytic cell for a water generator, for example, there is an electrolytic cell having a structure as shown in Japanese Patent Application Laid-Open No. 6-339683.
[0003]
In this electrolytic cell, the left and right frame plates, the anode plate and the cathode plate are all formed in a substantially plate shape, and these members are laminated and tightened and fixed while inserting a sealing member therebetween, so that the inside thereof is internally fixed. The structure is such that an electrolytic cell having an electrolytic chamber and electrodes can be assembled.
[0004]
[Problems to be solved by the invention]
However, in the conventional electrolytic cell described above, when the left and right frame plates are fastened and fixed, the elastic sealing members are interposed and laminated while being inserted and fastened and fixed. There was a problem that the strength varied. In other words, since the elastic sealing member with elasticity is interposed and tightened, it may be overtightened or insufficiently tightened, and the tightening balance may not be constant, resulting in poor sealing performance and inconvenience such as water leakage. Was.
[0005]
In addition, when laminating and tightening each part, it is necessary to align the outside of each part, which makes the positioning work of each part troublesome and cumbersome. Was difficult to mechanize.
[0006]
Therefore, a technical problem of the present invention is to provide a good sealing property by tightening and fixing the left and right frame plates to be stacked and fixed and the electrode plates sandwiched between these frame plates with a fixed tightening balance. The present invention is to provide an electrolytic cell for an electrolyzed water generating apparatus, which is constructed so that the assembly operation is simple and the assembly operation can be easily mechanized.
[0007]
[Means for Solving the Problems]
Means taken by the present invention to solve the above technical problems are as follows.
[0008]
An inflow port and an outflow port are formed in an electrolytic cell with an anode and a cathode inside, and the electrolyzed liquid is electrolyzed before the electrolytic solution supplied into the electrolytic cell from the inflow port is discharged from the outflow port. An electrolyzer for an electrolyzed water generator configured to
[0009]
(1) The main body of the electrolytic cell is divided into two parts on the right and left sides, and the inlet and outlet are provided. While constituted by a symmetrical body frame formed in a body shape, the anode and the cathode are constituted by electrode plates of the same shape provided with through holes communicating with the inflow port and the outflow port, and these anode plates and The cathode plate was also stacked and housed inside the left and right body frames with a spacer provided with a through hole communicating with the inflow port and the outflow port in the middle, and these left and right body frames were stacked. The above-mentioned electrolytic cell is constituted by tightening and fixing the anode plate and the cathode plate so as to sandwich them from both sides. (Claim 1)
[0010]
(2) The anode plate and the cathode plate stacked with the spacer interposed therebetween are housed in the left and right frame bodies, and are fastened and fixed from both sides. A structure in which a sealing member is interposed between each of the cathode plates and between each of the anode plate, the cathode plate, and the spacer so as to be fastened and fixed. (Claim 2)
[0011]
(3) A fluorine rubber plate is used as a seal member. (Claim 3)
[0012]
(4) On the inner peripheral surfaces of the left and right main body frames, annularly formed acute-angled projections that bite into the inner seal member when tightened and fixed. (Claim 4)
[0013]
(5) The central portion of the spacer is largely opened with the inner wall plates left and right, and two inflow holes at the four corners of the lower and upper inner wall plates leading to the inflow port and two right and left outflow holes leading to the outflow port. A through hole is provided, and one of the two left and right inflow holes is communicated with the opening through a guide groove recessed on the surface side of the inner wall plate, and the other is also recessed on the back surface side of the inner wall plate. And the one of the two outflow holes on the left and right sides communicates with the opening through a guide groove recessed on the surface of the inner wall plate. The outflow hole communicates with the opening through a guide groove formed in the back surface of the inner wall plate. (Claim 5)
[0014]
(6) The upper surface of the inner wall plate provided on the lower side of the spacer is formed as an inclined surface which is inclined obliquely upward from the left and right guide grooves recessed on the front and back surfaces and crosses right and left in the middle, and The bottom surface of the inner wall plate provided on the front surface is formed as an inclined surface which is inclined obliquely upward toward the left and right guide grooves recessed on the front and back surfaces and crosses right and left in the middle. (Claim 6)
[0015]
{Circle around (1)} According to the means according to claim 1 described in the above (1), the main body of the electrolytic cell is constituted by two left and right main body frames formed in a bilaterally symmetrical substantially half-shell shape, and an anode plate and a cathode are provided. If the plates and the spacers are stacked and housed inside the left and right main body frames and fastened and fixed, an electrolytic cell having an electrolytic chamber therein and having an inflow passage and an outflow passage can be assembled. Therefore, there is no need to align or position the outsides of the electrode plates and spacers, so that assembly can be performed extremely easily and assembly can be mechanized.
[0016]
{Circle around (2)} Further, according to the means described in (1) above, if the left and right body frames formed in a substantially half-shell shape in cross section are tightened until their joint surfaces are completely adhered, the assembly of the electrolytic cell can be completed. Because it is completed, there is no room for over-tightening or under-tightening problems, and the entire body can be tightened and fixed in a well-balanced manner with a fixed tightening force, thus exhibiting excellent sealing performance without problems such as water leakage To be able to
[0017]
{Circle around (3)} According to the means according to claim 2 described in the above (2), when each member is tightened and fixed between the left and right frame bodies, a sealing member is interposed between the members and tightened. For fixing, it is possible to reliably prevent water leakage from between the members, while tightening until the joining surfaces of the left and right main body frames come into close contact even if a seal member is interposed between the members, With this, the tightening force is sufficient, so that the tightening force can always be stabilized even with the seal member interposed, and the seal member can be prevented from being damaged by the tightening.
[0018]
{Circle around (4)} According to the means according to claim 3 described in the above (3), by using a fluorine-based rubber plate as the seal member, the heat resistance at the contact portion of each electrode plate is improved, and It is also possible to improve workability by punching or the like.
[0019]
(5) According to the means of the fourth aspect described in the above (4), when each member is tightened and fixed between the left and right frame main bodies, the projection formed in the inner surface of each frame main body in an annular shape. Bites into the inner sealing member, so that the sealing performance of the electrolytic cell can be further improved.
[0020]
{Circle around (6)} According to the means according to claim 5 described in the above (5), the electrolyte to be fed from the inflow port to the electrolytic chamber space formed at the center of the spacer through the left and right inflow holes is the left and right. Through the guide grooves recessed on the front side and back side of the inflow hole, the water is sequentially fed from both the front and back sides of the spacer, and the electrolyzed water electrolyzed in the electrolysis chamber space is also the front side and back side of the left and right outflow holes. Since the spacer can be sequentially sent out from the front and back sides of the spacer to the outlet through the guide groove recessed on the side, the electrolyzed liquid is uniformly electrolyzed in the electrolyzed chamber space to generate electrolyzed water having a uniform concentration. In addition, it is possible to discharge (supply) the generated electrolytic water out of the electrolytic cell from the outlet with a uniform concentration.
[0021]
{Circle around (7)} According to the means according to claim 6 described in the above (6), hypochlorous acid generated during the electrolysis operation is gradually accumulated along the inclined surface formed on the inner wall plate without collecting in the air pocket. Since it is discharged, it is possible to generate a certain concentration of electrolyzed water and send it out.
[0022]
As described above, the technical problems described above can be solved by the means (1) to (6), and the problems of the conventional technology can be solved.
[0023]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of an electrolytic cell for an electrolyzed water generating apparatus according to the present invention will be described with reference to the drawings. FIG. 1 is an exploded perspective view showing the entirety of the present invention, FIG. FIG. 3 is an enlarged side sectional view showing the assembled state. In these drawings, 3 and 4 are divided into two right and left parts, and the lower and upper inlets 3A, 3A, respectively. 3A 'and 4A, 4A' and outlets 3B, 3B 'and 4B, 4B' are provided, and when they are combined together, the entire section is substantially half-shelled so that an electrolytic chamber space Z (see FIG. 3) can be formed therein. A left-right symmetric body frame formed in a body shape, and fine irregularities are formed on the front and back surfaces to reduce the amount and weight of the material and to increase the strength.
[0024]
Reference numerals 1 and 2 denote reinforcing plates provided along the outer surfaces of the main body cases 3 and 4, respectively. On the upper side, through holes 1A, 1A ', 2A, 2A' and 1B communicating with the inflow ports 3A, 3A ', 4A, 4A' and the outflow ports 3B, 3B ', 4B, 4B' of the body frames 3, 4, respectively. , 1B ', 2B, 2B' are provided respectively. Further, these reinforcing plates 1, 2 and both main body cases 3, 4 are tightened and fixed to the peripheral edges of the reinforcing plates 1, 2 and the main body frames 3, 4. , 2C... And 3C... 4C... For the tightening screws 5.
[0025]
Further, in the figure, reference numerals 8 and 12 denote electrode plates formed by using a thin metal plate so as to fit into the inside of the electrolytic chamber space Z. Also provided on the upper side are through holes 8A, 8A ', 12A, 12A' and 8B, 8B ', 12B, 12B' communicating with the respective inlets 3A-4A 'and outlets 3B-4B' of the main body frames 3, 4. In addition, terminal strips 8X and 12X for connecting a power supply section are protruded from one side edge thereof. If one of the electrode plates 8 or 12 is used as an anode plate, the other electrode plate 8 or 12X is used. Reference numeral 12 is a cathode plate.
[0026]
Reference numeral 10 denotes a spacer interposed between the electrode plates 8 and 12. The center of the spacer 10 whose outer shape is formed to have a size that can be fitted into the electrolytic chamber space Z has a large opening 10H, and the whole is slightly open. Each of the inlets 3A of the main body frames 3 and 4 is formed at the four corners of the inner wall plates 10 'and 10' provided on the lower side and the upper side thereof in a substantially frame shape configured to be wide (thick). 4A 'and inflow holes 10A, 10A' and outflow holes 10B, 10B 'communicating with the outlets 3B-4B'.
[0027]
Next, 10E and 10F are guides connecting between the left and right inflow through holes 10A, 10A 'and outflow through holes 10B, 10B' provided in the inner wall plates 10 ', 10' of the spacer 10 and the opening 10H. Among the left and right guide grooves 10E connecting the left and right inflow holes 10A, 10A 'and the opening 10H, the left guide groove 10E (not visible in FIGS. 1 and 2 because it is on the back side) is illustrated. The guide groove 10E on the right side is provided on the front side of the spacer 10 as shown in FIGS. 1 and 2.
[0028]
On the other hand, among the left and right guide grooves 10F connecting between the left and right outflow holes 10B and 10B 'and the opening 10H, the left guide groove 10F is provided on the surface side of the spacer 10 as shown in FIGS. Further, the right guide groove 10F (not shown in FIGS. 1 to 3 because it is the back side) is provided on the back side of the spacer 10, and the inflow path of the electrolytic solution and the outflow path of the electrolytic water are formed in the spacer 10. It is configured symmetrically on both sides.
[0029]
10S and 10S 'and 10T and 10T' are inclined surfaces formed on the upper and lower surfaces of the inner wall plates 10 'and 10' on the lower and upper sides of the spacer 10, respectively. In an enlarged view of FIG. 5, the upper surface of the lower inner wall plate 10 ′ of one side surface (the front surface side in the drawing) of the spacer 10 is provided in the lower right inflow hole 10 A ′. From the guide groove 10E, an upwardly inclined surface 10S which is inclined obliquely upward toward the upper part of the inflow hole 10A provided on the left side is formed, and on the other side surface (the back side in the drawing), the left inflow hole 10A is formed. An upwardly inclined surface 10S 'which is inclined obliquely upward from the guide groove 10E provided at the upper side of the right inflow hole 10A' is formed so as to intersect the above-described upwardly inclined surface 10S in the middle part on the left and right. ing.
[0030]
On the other hand, on the bottom surface of the upper inner wall plate 10 'on one side surface (the front surface side in the drawing) of the spacer 10, a guide groove 10F provided in the left outflow hole 10B is formed from the lower portion of the right outflow passage 10B'. An upwardly inclined surface 10T that is inclined upward and diagonally upward is formed, and the bottom surface of the upper inner wall plate 10 'on the other side surface (the back surface side in the drawing) is formed from the lower part of the left outflow passage 10B to the right outflow hole 10B. The upwardly inclined surface 10T ', which is inclined obliquely upward toward the guide groove 10F (hidden in the drawing, hidden behind), is formed so as to intersect the upwardly inclined surface 10T left and right at an intermediate portion. I have.
[0031]
Next, 6A, 6A 'and 6B, 6B' are connection ports for connecting external piping attached to the inlets 3A, 3A 'and the outlets 3B, 3B' of the one main body case 3, Electrolyte is fed from the connection ports 6A and 6A 'through the inlet 6E, and electrolytic water is sent out from the connection ports 6B and 6B' through the outlet 6F.
[0032]
Reference numerals 7, 9, 11, and 13 denote between the one main body frame 3 and the one electrode plate 8, between the electrode plate 8 and the spacer 10, between the spacer 10 and the other electrode plate 12, and between the one electrode frame 8 and the other electrode plate 12. 12 is a seal member interposed between the other body frame 4 and the other main body frame 4. The seal member is formed of a thin fluorine-based rubber plate that can be formed by punching and has heat resistance. Among these seal members configured to have a size that can be fitted in the central portions of the first, second, and third seal members indicated by reference numerals 7, 9, and 11, large openings 7H, 9H, and 11H, inflow holes 7A, 7A 'and outflow holes 7B, 7B' are formed in the four corners of the first seal member 7, and the lower and upper symmetrical positions of the second seal member 9 are The inflow through-hole 9A and the outflow through-hole 9B 'are formed, and the third The symmetrical positions of the lower and upper sealing member 11, the inflow hole 11A 'and the outlet hole 11B is formed.
[0033]
On the other hand, the central part of the fourth seal member 13 is largely opened like the other seal members, but the four corners are formed with closing pieces 13X for closing the inflow and outflow ports. The inlets 4A, 4A 'and the outlets 4B, 4B' of the other main body frame 4 are all closed by plugs 14A, 14A ', 14B, 14B'.
[0034]
Therefore, in the illustrated embodiment, after the electrolytic solution flowing into the electrolytic chamber space Z from the inflow connection ports 6A and 6A 'attached to the one main body frame 3 side is electrolyzed, the electrolytic water is also used for the other one. This is a mechanism for taking out from the outflow connection ports 6B, 6B 'attached to the main body frame 3, but this is an example of the embodiment, and the fitting position of the plugs 14A to 14B' is changed, By changing the position of the seal member 13 or changing the mounting position of each of the connection ports 6A to 6B ', it is possible to change the inflow direction of the electrolytic solution and the removal direction of the electrolytic water to any directions. Of course.
[0035]
Further, in the drawings, 3T (see FIGS. 3 and 4) and 4T are projections formed on the inner peripheral surfaces of the main body frames 3 and 4 in a ring shape and at an acute angle, respectively. Each of the projections 3T, 4T is provided with a corresponding one of the main body frames 3, 4 as shown in FIG. It is a mechanism for improving the sealing performance by biting into the sealing members 7 and 13 interposed inside.
[0036]
The electrolytic cell for an electrolyzed water generating apparatus according to the present invention is configured as described above, and is an electrode plate 8 which is laminated between two main body frames 3 and 4 and fastened and fixed by tightening the tightening screws 5. , 12, the spacer 10, and the seal members 7, 9, 11, 13 are all formed in a size that can be accommodated in the electrolytic chamber space Z constituted by the two main body frames 3, 4. The plates 8, 12 and the spacer 10 and the sealing members 7 to 13 communicate with the inlets 3A, 3A ', 4A, 4A' provided in the body frames 3, 4, and the outlets 3B, 3B ', 4B, 4B'. Since the through holes 8A to 8B ', 12A to 12B', 7A to 7B ', 9A, 9B', 11A ', and 11B are provided, the above-described members are connected to the electrolytic chamber space Z between the main body frames 3 and 4. Stacked inside and tightened with each screw 5 ... The electrode plates 8 and 12 of the anode and the cathode are provided inside, and the inflow passage of the liquid to be electrolyzed and the outflow passage of the electrolyzed water are provided only by fixing, without aligning or positioning the outside of each member. The electrolytic cell for the electrolyzed water generator can be assembled.
[0037]
Further, in the present invention, the electrolyte flows from the front and back sides of the spacer 10 through the guide grooves 10E and 10E provided on the back surface and the front surface of the spacer 10 from the left and right inflow holes 10A and 10A 'of the spacer 10 in the drawing. Electrolyzed water is also discharged from the left and right sides of the spacer 10 from the left and right outflow holes 10B and 10B 'through the guide grooves 10F and 10F also provided on the front and back surfaces thereof. Each discharge route is not biased to one side (part) of the electrolytic chamber space Z, and is uniformly electrolyzed inside to generate electrolyzed water having a uniform concentration.
[0038]
The electrolyzed liquid flowing through the guide grooves 10E and 10E from the respective inlet holes 10A and 10A 'of the spacer 10 is guided by the respective upwardly inclined surfaces 10S and 10S' from the respective guide grooves 10E and 10E while the electrolysis chamber is being guided. While being gradually sent out in the space Z, the electrolyzed water electrolyzed in the electrolysis chamber space Z passes through the guide grooves 10F, 10F while being guided by the upwardly inclined surfaces 10T, 10T ′, and flows out through holes 10B, 10B. , The hypochlorous acid gas generated in the electrolysis chamber space Z by the electrolysis does not accumulate in the air pockets, but is guided by these inclined surfaces 10S, 10S ', 10T, 10T' to each passage. , Water is sequentially discharged to the outside of the electrolytic cell 1, so that electrolytic water having a constant concentration can always be generated.
[0039]
【The invention's effect】
As described above, according to the electrolytic cell for an electrolyzed water generating apparatus according to the present invention, after each member is laminated between the two main body frames, the electrolytic cell is easily assembled simply by tightening and fixing the two main body frames. Therefore, it is possible to exhibit an advantage that the manufacturing cost can be reduced by enabling the mechanization of assembly, and in combination with the point that it has an excellent sealing property and that it can generate electrolytic water of a certain concentration. Thus, it is possible to provide an extremely useful electrolytic cell capable of coping with various uses.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing an entire electrolytic cell for an electrolyzed water generating apparatus according to the present invention.
FIG. 2 is an exploded front view of the entire electrolytic cell for an electrolyzed water generating apparatus according to the present invention.
FIG. 3 is an enlarged sectional view showing the entirety of the present invention.
FIG. 4 is an enlarged sectional view showing a main part of the present invention.
FIG. 5 is an enlarged perspective view showing a main part of a spacer.
[Explanation of symbols]
3, 4 Body frame 3A, 3A ', 4A, 4A' Inlet 3B, 3B ', 4B, 4B' Outlet 3T, 4T Projection 5 Tightening screw 7, 9, 11, 13 Seal member 8, 12 Electrode plate 8A , 8A ', 12A, 12A' Through hole 10 Spacer 10A, 10A 'Inflow hole 10B, 10B' Outflow hole 10 'Inner wall plates 10S, 10S', 10T, 10T 'Inclined surface 10E, 10F Guide groove Z Electrolytic chamber space

Claims (6)

An inflow port and an outflow port are formed in an electrolytic cell with an anode and a cathode inside, and the electrolyzed liquid is electrolyzed before the electrolytic solution supplied into the electrolytic cell from the inflow port is discharged from the outflow port. An electrolyzer for an electrolyzed water generator configured to
The main body of the electrolytic cell is divided into two parts, left and right, and the above-mentioned inlet and outlet are provided. When both are combined, the whole is formed into a substantially half-shell shape so that an electrolytic chamber space can be formed inside. While being constituted by the formed symmetrical body frame, the anode and the cathode are constituted by electrode plates of the same shape provided with through holes communicating with the inflow port and the outflow port, and these anode plate and cathode plate are formed. Similarly, a spacer provided with a through hole communicating with the inflow port and the outflow port is stacked and housed in the left and right main body frames with the spacer interposed therebetween, and the anode plate in which the left and right main body frames are stacked is described above. An electrolytic cell for an electrolyzed water generator, wherein the electrolytic cell is constituted by tightening and fixing the cathode plate so as to pinch it from both sides. The anode plate and the cathode plate laminated with the spacer interposed in the middle are housed in the left and right frame bodies and tightened and fixed from both sides. 2. The electrolyzed water for an electrolyzed water generating apparatus according to claim 1, wherein a sealing member is interposed between each of the anode plates and between each of the anode plate and the cathode plate, and the spacer. Tank. The electrolytic tank for an electrolyzed water generator according to claim 2, wherein a fluorine-based rubber plate is used as the seal member. The electrolysis for an electrolyzed water generating apparatus according to claim 2 or 3, wherein acute-angled projections which bite into the inner seal member when tightened and fixed are formed continuously on the inner outer peripheral surfaces of the left and right main body frames. Tank. The central part of the spacer is largely opened with the inner wall plate left and right at the upper and lower sides, and two left and right inflow holes leading to the inflow port and two left and right outflow holes leading to the outflow port are provided at the four corners of the lower and upper inner wall plates. One of these two left and right inflow holes is communicated with the opening through a guide groove recessed on the surface side of the inner wall plate, and the other is also recessed on the back surface side of the inner wall plate. And one of the two left and right outflow holes communicates with the opening through a guide groove recessed on the surface side of the inner wall plate, and the other outflow hole 3. The electrolytic cell for an electrolyzed water generating apparatus according to claim 1, wherein the opening is communicated with the opening through a guide groove formed in the back surface of the inner wall plate. The upper surface of the inner wall plate provided on the lower side of the spacer is formed on the upper surface while being formed diagonally upward from the left and right guide grooves recessed on the front and back surfaces and crossing right and left in the middle. 6. The electrolysis according to claim 5, wherein the bottom surface of the inner wall plate is formed as an inclined surface which is inclined obliquely upward toward the left and right guide grooves formed on both front and rear surfaces and crosses right and left at the middle. Electrolyzer for water generator.

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