Electrolytic solution generation device

Abstract

To provide an electrolytic solution generation device capable of improving efficiency of generating an electrolytic solution in an electrolysis unit.SOLUTION: An electrolytic solution generation device 100 comprises an electrolysis unit 1, an elastic body 2, and a housing 3. The electrolysis unit 1 electrolyzes liquid. The elastic body 2 presses the electrolysis unit 1 in a first direction D1. The electrolysis unit 1 and the elastic body 2 are disposed inside the housing 3. The elastic body 2 has a protrusion 22 for positioning at least a part of the electrolysis unit 1. At least a part of the protrusion 22 is provided outside an end edge 211 of the elastic body 2 in a second direction D3 intersecting the first direction D1.SELECTED DRAWING: Figure 4

Description

[Technical field]

[0001] The present disclosure relates to an electrolytic liquid generating device. [Background technology]

[0002] Conventionally, an ozone water generator that generates ozone water (electrolysis liquid) in which ozone (electrolysis product) is dissolved in water has been known as an electrolysis liquid generator. The electrolysis unit has a conductive film interposed between two electrodes. Then, by generating a potential difference between the two electrodes while the electrolysis unit is immersed in water, an electrolysis process is performed in which an electrochemical reaction occurs in the water, and ozone water is generated (for example, see Patent Document 1). The electrolysis unit is held by an elastic body having a positioning protrusion. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent Publication No. 2021-127501 Summary of the Invention [Problem to be solved by the invention]

[0004] However, in the electrolytic liquid production device of Patent Document 1, the elastic body is also located outside the electrolytic section, so the force with which the elastic body presses the electrolytic section may not be uniform, which may reduce the efficiency of production of the electrolytic liquid.

[0005] An object of the present disclosure is to provide an electrolytic liquid generation device capable of improving the efficiency of generating electrolytic liquid in an electrolysis section. [Means for solving the problem]

[0006] An electrolytic liquid generating device according to one aspect of the present disclosure includes an electrolytic unit, an elastic body, and a housing. The electrolytic unit electrolytically processes liquid. The elastic body presses the electrolytic unit in a first direction, which is a stacking direction of the electrolytic unit. The electrolytic unit and the elastic body are disposed inside the housing. The elastic body has a protrusion that positions at least a portion of the electrolytic unit. At least a portion of the protrusion is provided outside an edge portion of the elastic body in a second direction that intersects with the first direction. Effect of the Invention

[0007] According to an electrolytic liquid production device according to one aspect of the present disclosure, it is possible to improve the efficiency of production of the electrolytic liquid in the electrolysis section. [Brief description of the drawings]

[0008] [Figure 1] FIG. 1 is an exploded perspective view of an electrolytic liquid generating device according to an embodiment. [Diagram 2] FIG. 2 is a perspective view of an elastic body of the electrolytic liquid generating device. [Diagram 3] FIG. 3 is a perspective view of a cover of the electrolytic liquid generating device. [Figure 4] FIG. 4 is a partial end view of the electrolytic liquid generating device, the normal direction of which is the longitudinal direction. [Diagram 5] FIG. 5 is a partial end view of the electrolytic solution generating device, the normal direction being the short side direction. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] Hereinafter, the electrolytic liquid generating device according to the embodiment will be described in detail with reference to the drawings. However, each figure described in the following embodiment is a schematic diagram, and the size and thickness ratio of each component do not necessarily reflect the actual dimensional ratio. In addition, the embodiment implemented below is merely one example of the embodiment of the present disclosure. The present disclosure is not limited to the following embodiment, and various modifications are possible depending on the design, etc., as long as the effect of the present disclosure can be achieved.

[0010] (Embodiment) (1) Overview First, an overview of an electrolytic liquid generating device 100 according to an embodiment will be described with reference to FIGS. 1, 2 and 4. FIG.

[0011] The electrolytic liquid generating device 100 according to the embodiment generates an electrolytic liquid by subjecting a liquid to electrolytic processing. In the present embodiment, as an example, the electrolytic liquid generating device 100 is an ozone water generating device that uses tap water supplied from a waterworks as the liquid and generates ozone water as the electrolytic liquid. The electrolytic liquid generating device 100, which is an ozone water generating device, generates ozone (electrolysis product) by electrolytic processing that electrolyzes tap water, and generates ozone water by dissolving the ozone in the tap water. Ozone water is effective for sterilization, deodorization, and decomposition of organic matter, and is therefore widely used in various fields such as water treatment, hygiene, food, and medicine.

[0012] As shown in Figs. 1 and 4, the electrolytic liquid generating device 100 according to the embodiment includes an electrolysis unit 1, an elastic body 2, a housing 3, and a power supply unit 4. The electrolysis unit 1 includes a pair of electrodes, a first electrode and a second electrode, and a conductive film 12 located between the pair of electrodes. In the embodiment, the first electrode is an anode 13, and the second electrode is a cathode 11. The electrolysis unit 1 electrolyzes a liquid. The electrolysis unit 1 is disposed inside the housing 3. The power supply unit 4 supplies power to the electrolysis unit 1 for electrolyzing the liquid.

[0013] As shown in FIG. 4, the elastic body 2 and the cover 32 of the housing 3 press the electrolysis unit 1 in the direction D1. As shown in FIG. 1 and FIG. 2, the elastic body 2 has an elongated shape and has a protrusion 22 on the outside of the end edge portion 211 in the direction D3, which is the short side direction of the elastic body 2. This positions the electrolysis unit 1 by the elastic body 2. Also, as shown in FIG. 4, the protrusion 22 and the electrolysis unit 1 do not overlap in the direction D1, so that the protrusion 22 is unlikely to affect the force with which the elastic body 2 and the cover 32 press the electrolysis unit 1 in the direction D1. In other words, the uniformity in the direction D3 of the force with which the elastic body 2 and the cover 32 press the electrolysis unit 1 in the direction D1 is improved. Therefore, the current density in the electrolysis unit 1 is unlikely to become biased, and the electrolysis efficiency of the electrolysis unit 1 can be improved.

[0014] (2)Details Next, the details of the electrolytic liquid generating device 100 according to the embodiment will be described with reference to Figs. 1 to 5. In the following description, the stacking direction of the cathode 11, the conductive film 12, and the anode 13 in the electrolytic section 1 described later is defined as direction D1, the longitudinal direction of the housing 3 described later is defined as direction D2, and the short side direction (width direction) of the housing 3 is defined as direction D3. The direction D1 corresponds to the first direction. The direction D2 corresponds to the third direction. Moreover, the direction D3 corresponds to the second direction. However, these directions are not intended to limit the directions in which the electrolytic liquid generating device 100 is used. Moreover, the arrows indicating "D1", "D2", and "D3" in the drawings are merely indicated for the purpose of explanation, and none of them have any substance.

[0015] The electrolytic liquid generating apparatus 100 according to the first embodiment includes an electrolysis section 1, an elastic body 2, a housing 3, a power supply section 4, and a plurality of O-rings 5 ​​(two in the illustrated example), as shown in FIG.

[0016] (2.1) Housing The electrolysis unit 1 and the elastic body 2 are disposed inside the housing 3. The housing 3 includes a case 31 and a cover 32, as shown in FIG.

[0017] The case 31 includes a case body 311. The case body 311 is formed in a hollow rectangular parallelepiped shape with one end in the direction D1 (the upper surface in FIG. 1) open. That is, the case body 311 has a storage section 3110. Furthermore, a connection section 312 and a connection section 313 are formed at both ends of the case 31 in the direction D2. The connection section 312 is formed with an inlet for liquid, and the inlet is connected to the storage section 3110. Furthermore, the connection section 313 is formed with an outlet for the electrolytic liquid, and the outlet is connected to the storage section 3110. That is, the liquid that flows in from the inlet is electrolytically treated in the storage section 3110 and flows out from the outlet as the electrolytic liquid.

[0018] 1 and 3, the cover 32 is a rectangular plate. The cover 32 contacts the case body 311 along the direction D1 and covers the opening 3111 of the case body 311. In addition, the cover 32 has an inner surface 33 facing the opening 3111 of the case body 311, on which a plurality of protrusion rows 331 (see FIGS. 3 and 4) are formed.

[0019] Furthermore, the case body 311 has a pair of through holes 3112 for allowing the pair of electrode pins 41 to pass therethrough.

[0020] The case 31 and the cover 32 are made of a non-conductive resin such as acrylic.

[0021] (2.2) Elastic body and electrolytic part The housing portion 3110 of the case 31 houses the elastic body 2, the power supply body 44 of the power supply unit 4, the anode 13, the conductive film 12, and the cathode 11. More specifically, the elastic body 2, the power supply body 44, the anode 13, the conductive film 12, and the cathode 11 are layered in this order along the direction D1.

[0022] The elastic body 2 is formed in a long shape in the direction D2 using an elastic material such as rubber. That is, the short side direction of the elastic body 2 is the direction D3. As shown in Figs. 1 and 2, the elastic body 2 includes a rectangular parallelepiped main body 21, a plurality of protrusions 22 (first protrusions) and a protrusion 23 (second protrusions). Each of the plurality of protrusions 22 (six in Figs. 1 and 2) is formed on one edge portion 212 in the direction D1 of the main body 21, outside one of the two edge portions 211 in the direction D3. Here, "the plurality of protrusions 22 are outside the two edge portions 211 in the direction D3" means that none of the plurality of protrusions 22 overlaps with the edge portion 212 in a plan view from the direction D1. The plurality of protrusions 22 are positioning protrusions that position the electrolysis unit 1 in the direction D3. More specifically, a power feeder 44 of the power feed section 4, which will be described later, and the anode 13 are located inside the multiple protrusions 22 in the direction D3.

[0023] Moreover, each of the multiple (two in FIG. 1) protrusions 23 is formed on the edge portion 212 in the direction D1 of the main body 21 at two edge portions 213 in the direction D2. Here, "the multiple protrusions 23 are outside the two edge portions 213 in the direction D2" means that none of the multiple protrusions 23 overlaps with the edge portion 212 in the plan view from the direction D1. The multiple protrusions 23 are positioning protrusions that position the electrolysis unit 1 in the direction D2. More specifically, the power feeder 44 and the anode 13 of the power feed unit 4, which will be described later, are located inside the multiple protrusions 22 in the direction D2.

[0024] 2, one of the two protrusions 23 is disposed approximately in the center in the third direction D3. The other of the two protrusions 23 is disposed at one end side in the third direction D3, that is, at a position shifted from the center. By thus differentiating the positions of the two protrusions 23 in the third direction D3, it is possible to prevent the elastic body 2 from being attached in the opposite direction to the case 31 of the housing 3.

[0025] An edge portion 212 of the elastic body 2 is in contact with a power feeder 44 of the power feed section 4, which will be described later. The elastic body 2 presses the power feeder 44 and the anode 13 in the direction D1.

[0026] The anode 13 is a first electrode of the electrolysis unit 1. The anode 13 is formed in a rectangular shape that is long in the direction D2. One surface (first surface) of the anode 13 contacts a power feeder 44 of the power feed unit 4 described below, and at least a portion of the other surface (second surface) contacts the conductive film 12. The anode 13 is formed, for example, by forming a conductive diamond film on a rectangular plate-shaped conductive substrate made of silicon.

[0027] The conductive film 12 is located between the anode 13 and the cathode 11. The conductive film 12 is, for example, a proton conductive ion exchange film. The conductive film 12 has a plurality of slits extending in the direction D3. The conductive film 12 is, for example, comb-shaped. The conductive film 12 includes a main piece 121 having a longitudinal shape in the direction D3 and a plurality of protruding pieces 122 having the direction D3 as a longitudinal direction. The plurality of protruding pieces 122 are arranged at equal intervals along the direction D2. Note that the extension direction of each of the plurality of protruding pieces 122 may be a direction intersecting the direction D2, and does not necessarily have to coincide with the direction D3. The length of the protruding piece 122 in the direction D3 is greater than the width of the anode 13 in the direction D3. That is, the length of the slit of the conductive film 12 in the direction D3 is greater than the width of the anode 13 in the direction D3.

[0028] The cathode 11 is a second electrode of the electrolysis unit 1. The cathode 11 is integrally formed with an electrode plate 42A and a spring portion 43A, which will be described later. The cathode 11 has a rectangular shape that is elongated in the direction D2, and is in contact with the conductive film 12 in the direction D1. The cathode 11 is made of a conductive material, such as a titanium alloy.

[0029] The cathode 11 has a plurality of through holes 111 arranged at equal intervals along the direction D2. Each of the plurality of through holes 111 has the same shape, for example, a V-shape. This allows at least a part of the interface between the cathode 11 and the conductive film 12 to come into contact with the liquid (tap water). As a result, at least a part of the interface between the anode 13 and the conductive film 12 to come into contact with the liquid (tap water). Therefore, ozone generated on the surface of the anode 13 is easily dissolved in the liquid (tap water) in the space between the cathode 11 and the cover 32 (hereinafter referred to as the "main flow path"). In addition, it is possible to reduce a decrease in the efficiency of ozone generation caused by ozone gas remaining inside the electrolysis unit.

[0030] Furthermore, the width of the multiple through holes 111 of the cathode 11 in the direction D3 is larger than the width of the slits of the conductive film 12 in the direction D3. Therefore, in a plan view from the direction D1, the inside of the through hole 111 has a portion that does not overlap with either the conductive film 12 or the anode 13. That is, the electrolysis unit 1 has a through hole that penetrates the electrolysis unit 1 in the direction D1. Therefore, since the liquid (tap water) can pass through the electrolysis unit 1 along the direction D1, the ozone concentration in the ozone water in the storage unit 3110 of the case 31 is made uniform, and the generation efficiency of the ozone water is improved.

[0031] (2.3) Power supply section The power supply unit 4 supplies power for electrolyzing the liquid to the electrolysis unit 1. As shown in Fig. 1, the power supply unit 4 includes a plurality of (two in the illustrated example) electrode pins 41, a plurality of (two in the illustrated example) electrode plates 42A, 42B, a plurality of (two in the illustrated example) spring portions 43A, 43B, a power supply body 44, a plurality of (two in the illustrated example) nuts 45, a plurality of (two in the illustrated example) spring washers 46, and a plurality of (two in the illustrated example) washers 47. The electrode pins 41, the nuts 45, the spring washers 46, and the washers 47 are in one-to-one correspondence.

[0032] Each of the electrode pins 41 is elongated in the direction D1. That is, the longitudinal direction of each electrode pin 41 is parallel to the direction D1. Each electrode pin 41 has a flange portion 411, a threaded portion 412, and a shaft portion 413. In each electrode pin 41, the flange portion 411 is provided at a first end (upper end in FIG. 1) in the direction D1. In each electrode pin 41, the threaded portion 412 is provided in a predetermined range including a second end (lower end in FIG. 1) in the direction D1.

[0033] The electrode plates 42A and 42B have a through hole 421 through which the electrode pin 41 penetrates in the direction D1. More specifically, in a plan view from the direction D1, the through hole 421 has a shape that allows the shaft portion 413 to pass through but does not allow the flange portion 411 to pass through. As a result, in the electrode plates 42A and 42B, at least the flange portion 411 abuts against the electrode plates 42A and 42B when the shaft portion 413 of the electrode pin 41 is positioned in the through hole 421. The electrode plate 42A is electrically connected to the cathode 11 via the spring portion 43A. The electrode plate 42B is electrically connected to the power supply 44 via the spring portion 43B.

[0034] (3) Structure of the elastic body and cover 3 and 4, the cover 32 has an inner surface 33 facing the storage section 3110 of the case body 311. The cover 32 also has a plurality of (three in Figs. 3 and 4) convex rows 331 on the inner surface 33. The plurality of convex rows 331 are aligned in the direction D3. The cover 32 also has a pair of protrusions 35 on the inner surface 33 that overlap with the pair of electrode pins 41 in a plan view from the direction D1.

[0035] Each of the multiple protrusion rows 331 includes multiple protrusions 332 aligned in direction D2, as shown in Fig. 3. Each protrusion 332 presses the cathode 11 in direction D1, as shown in Fig. 4. That is, the electrolysis unit 1 is sandwiched between the elastic body 2 and the multiple protrusions 332 of the cover 32 in direction D1. In each of the multiple protrusion rows 331, the multiple protrusions 332 are arranged at intervals in direction D2.

[0036] Here, among the multiple protrusion rows 331, each of the two protrusion rows 331 arranged at both ends in the direction D3 is referred to as an end row 331A. Each of the two end rows 331A includes multiple protrusions 332A. The two end rows 331A are not in contact with the end 34 of the inner surface 33 in the direction D3.

[0037] Moreover, the protrusion 22 is disposed outside the position where it overlaps with the end row 331A in the direction D1. Here, "the protrusion 22 is disposed outside the position where it overlaps with the end row 331A in the direction D1" means that, as shown in FIG. 4, in a plan view from the direction D2, the protrusion 22 is located outside the imaginary line X1 extending from the convex portion 332A included in the end row 331A in the direction D1. As a result, the force with which the cover 32 presses the electrolysis unit 1 in the direction D1 acts on the main body 21 of the elastic body 2, but is unlikely to act on the protrusion 22. Therefore, the electrolysis unit 1 is evenly pressed in the direction D3 by the main body 21 of the elastic body 2 and the multiple convex portion rows 331 of the cover 32. Therefore, the distance between the cathode 11 and the anode 13 in the electrolysis unit 1 is likely to be uniform in the direction D3, and bias in the current density is unlikely to occur. Therefore, the ozone generation efficiency of the electrolysis unit 1 is improved.

[0038] 5, the protrusions 23 are disposed on the outside of the two end edges 213 of the elastic body 2 in the direction D2. Therefore, the electrolysis unit 1 is evenly pressed in the direction D2 by the main body 21 of the elastic body 2 and the plurality of protrusions 332 included in the plurality of protrusion rows 331 of the cover 32. This makes it easier for the distance between the cathode 11 and the anode 13 in the electrolysis unit 1 to be uniform in the direction D2, making it difficult for bias in current density to occur. This improves the ozone generation efficiency of the electrolysis unit 1.

[0039] (4) Effects The electrolytic liquid generating device 100 according to the embodiment includes an electrolysis unit 1, an elastic body 2, and a housing 3. The electrolysis unit 1 electrolyzes a liquid. The elastic body 2 holds the electrolysis unit 1 in direction D1. The housing 3 has the electrolysis unit 1 and the elastic body 2 disposed therein. The elastic body 2 has a protrusion 22 that positions at least a portion of the electrolysis unit 1. At least a portion of the protrusion 22 is provided outside an edge portion 213 of the elastic body 2 in direction D3.

[0040] This makes it difficult for the force of the elastic body 2 pressing the electrolysis unit 1 in the direction D1 to become biased in the direction D3. Therefore, bias in the current density in the electrolysis unit 1 is unlikely to occur, improving the efficiency of generating ozone water.

[0041] In the electrolytic liquid generating device 100 according to this embodiment, the elastic body 2 has an elongated shape when viewed from a direction D1, and the direction D3 is the short side direction of the elastic body 2.

[0042] As a result, the force with which the elastic body 2 presses the electrolysis unit 1 in the direction D1 is less likely to be biased in the short direction of the elastic body 2. Therefore, in the electrolysis unit 1, bias in the current density is less likely to occur in the direction D3 which is susceptible to bias in the current density, improving the efficiency of generating ozone water.

[0043] Furthermore, in the electrolytic liquid generating device 100 according to the embodiment, the housing 3 includes a cover 32 having a plurality of protruding portion rows 331 extending in the direction D2. The electrolysis unit 1 is sandwiched between the cover 32 and the elastic body 2. The plurality of protruding portion rows 331 of the cover 32 press the electrolysis unit 1 in the direction D1. In the direction D3, each of the plurality of projections 22 is located outside two end rows 331A located at both ends of the plurality of protruding portion rows 331.

[0044] As a result, the force with which the cover 32 presses the electrolysis unit 1 in direction D1 is evenly applied in direction D3 to the main body 21 of the elastic body 2 excluding the protrusions 22. Therefore, the force with which the cover 32 and the elastic body 2 press the electrolysis unit 1 in direction D1 becomes even in direction D3. Therefore, bias in the current density is unlikely to occur in the electrolysis unit 1, improving the efficiency of generating ozone water.

[0045] Moreover, in the electrolytic solution generating device 100 according to this embodiment, the elastic body 2 has a protrusion 23 for positioning at least a part of the electrolysis unit 1 on the outer side of the end edge portion 213 in the direction D2.

[0046] As a result, the force with which the elastic body 2 presses the electrolysis unit 1 in the direction D1 is also less likely to be biased in the direction D2. Therefore, the current density is less likely to be biased in any direction in the electrolysis unit 1, improving the efficiency of generating ozone water.

[0047] In the electrolytic solution generating apparatus 100 according to this embodiment, the electrolysis unit 1 includes the anode 13 and the cathode 11 which face each other in the direction D1. At least a portion of the electrolysis unit 1 positioned by the protrusion 22 includes the anode 13.

[0048] Therefore, bias in the pressing force in the direction D1, which is the direction in which the anode 13 and the cathode 11 face each other in the electrolysis unit 1, is unlikely to occur. Therefore, bias in the electrical resistance is unlikely to occur in the electrolysis unit 1, improving the efficiency of generating ozone water. In addition, by using the elastic body 2 to position the anode 13 in the electrolysis unit 1, the above-mentioned effect can be achieved even if the elastic body 2 does not position the cathode 11. In addition, in the electrolytic liquid generating device 100 according to the embodiment, since the anode 13 is smaller than the cathode 11, the area of ​​the cathode 11 can be maximized so that the efficiency of generating ozone water is not reduced by using the elastic body 2 not to position the cathode 11.

[0049] (Modification) (1) In the electrolytic liquid generating device 100 according to the embodiment, the elastic body 2 has a plurality of protrusions 22, but there may be only one protrusion 22. In addition, the plurality of protrusions 22 of the elastic body 2 may be provided on both of the two end edge portions 211 of the main body 21, or may be provided on one of the two end edge portions 211.

[0050] Similarly, the elastic body 2 of the embodiment has multiple protrusions 23, but may have only one protrusion 23. In addition, the multiple protrusions 23 of the elastic body 2 may be provided on both of the two end edge portions 213 of the main body 21, or may be provided on one of the two end edge portions 213.

[0051] (2) In the electrolytic solution generating device 100 according to the embodiment, in the elastic body 2, each of the multiple protrusions 22 is outside the two edge portions 211 in the direction D3, but at least one of the protrusions 22 may be partly outside the edge portions 211 and partly inside the edge portions 211. That is, each of the multiple protrusions 22 may be at least partially outside the two edge portions 211 in the direction D3. That is, in a plan view from the direction D1, each of the multiple protrusions 22 has a part that does not overlap with the main body 21 of the elastic body 2. Even with such a configuration, the multiple protrusions 22 can position the electrolytic unit 1. In addition, compared to a case where all of the multiple protrusions 22 are inside the two edge portions 211 in the direction D3, the force with which the elastic body 2 presses the electrolytic unit 1 in the direction D1 is less likely to be biased in the direction D3.

[0052] Similarly, in the elastic body 2, each of the multiple protrusions 23 is outside the two edge portions 213 in the direction D2, but at least one of the protrusions 23 may be partly outside the edge portions 213 and partly inside the edge portions 213. That is, it is sufficient that each of the multiple protrusions 23 is at least partially outside the two edge portions 213 in the direction D2. Even with such a configuration, the multiple protrusions 23 can position the electrolysis unit 1. Furthermore, compared to a case where all of the multiple protrusions 23 are inside the two edge portions 213 in the direction D2, the force with which the elastic body 2 presses the electrolysis unit 1 in the direction D1 is less likely to be biased in the direction D2.

[0053] (3) In the electrolytic liquid generating apparatus 100 according to the embodiment, the cover 32 includes three rows of protrusions 331, but the number of rows of protrusions 331 provided on the cover 32 may be two, or four or more. Each row of protrusions 331 has a plurality of protrusions 332 arranged at intervals in the direction D2, but one or more of the plurality of rows of protrusions 331 may include a protrusion that is elongated in the direction D2. It is preferable that the rows of protrusions 331 do not block the through-holes 111 of the cathode 11.

[0054] (4) In the electrolytic solution production device 100 according to the embodiment, the protrusions 22 are disposed outside the position overlapping with the end row 331A in the direction D1, but the protrusions 22 may be disposed at a position where at least a portion of the protrusions 22 overlaps with the end row 331A in the direction D1. Even in this case, the force with which the elastic body 2 presses the electrolysis unit 1 in the direction D1 is unlikely to be biased in the direction D3. Therefore, bias in the current density is unlikely to occur in the electrolysis unit 1, improving the efficiency of production of ozone water.

[0055] (5) In the electrolytic liquid generating device 100 of the embodiment, the liquid is tap water and the electrolytic liquid is ozone water, but as long as the liquid can be electrolytically treated to generate the electrolytic liquid, the combination of the liquid and the electrolytic liquid may be a combination of any two liquids.

[0056] (Aspect) The electrolytic liquid generating device (100) according to the first aspect includes an electrolysis unit (1), an elastic body (2), and a housing (3). The electrolysis unit (1) electrolyzes a liquid. The elastic body (2) holds the electrolysis unit (1) in a first direction (D1). The housing (3) has the electrolysis unit (1) and the elastic body (2) disposed therein. The elastic body (2) has a protrusion (22) that positions at least a portion of the electrolysis unit (1). At least a portion of the protrusion (22) is provided outside an edge portion (211) of the elastic body (2) in a second direction (D3) that intersects with the first direction (D1).

[0057] According to the electrolytic liquid production device (100) of the above aspect, the force with which the elastic body (2) presses the electrolysis unit (1) in the first direction (D1) is unlikely to be biased in the second direction (D3). Therefore, bias in the current density is unlikely to occur in the electrolysis unit (1), and the efficiency of production of ozone water is improved.

[0058] In the electrolytic liquid generation device (100) according to the second embodiment, in the first embodiment, the elastic body (2) has an elongated shape in a plan view from the first direction (D1). The second direction (D3) is the short side direction of the elastic body (2).

[0059] According to the electrolytic liquid production device (100) of the above aspect, the force with which the elastic body (2) presses the electrolysis unit (1) in the first direction (D1) is unlikely to be biased in the short direction of the elastic body (2). Therefore, in the electrolysis unit (1), bias in the current density is unlikely to be generated in the second direction (D3) which is susceptible to bias in the current density, and therefore the efficiency of production of ozone water is improved.

[0060] In the electrolytic liquid generating device (100) according to the third aspect, in the first or second aspect, the housing (3) includes a cover (32) having a plurality of convex rows (331) extending in a third direction (D2) intersecting the second direction (D3). The electrolytic unit (1) is sandwiched between the cover (32) and the elastic body (2). The plurality of convex rows (331) of the cover (32) press the electrolytic unit (1) in the first direction (D1). In the second direction (D3), the projection (22) is positioned to overlap an end row (331A) located at an end of the plurality of convex rows (331) or to the outside of the end row (331A).

[0061] According to the electrolytic liquid production device (100) of the above aspect, the force with which the cover (32) presses the electrolysis unit (1) in the first direction (D1) is evenly applied in the second direction (D3) to the portion of the elastic body (2) excluding the protrusions (22). Therefore, the force with which the cover (32) and the elastic body (2) press the electrolysis unit (1) in the first direction (D1) is evenly applied in the second direction (D3). Therefore, bias in the current density is unlikely to occur in the electrolysis unit (1), and the efficiency of production of ozone water is improved.

[0062] In the electrolytic liquid generating device (100) of the fourth aspect, in any of the first to third aspects, when the protrusion (22) is the first protrusion, the elastic body (2) has a second protrusion (23) that positions at least a part of the electrolysis section (1) on the outside of the edge portion (213) in the third direction (D2) intersecting the second direction (D3).

[0063] According to the electrolytic liquid production device (100) of the above aspect, the force with which the elastic body (2) presses the electrolytic unit (1) in the first direction (D1) is also unlikely to be biased in the third direction (D2). Therefore, the current density is unlikely to be biased in any direction in the electrolytic unit (1), improving the efficiency of production of the electrolytic liquid.

[0064] In the electrolytic liquid generating device (100) according to the fifth aspect, in any one of the first to fourth aspects, the electrolysis unit (1) includes a first electrode (13) and a second electrode (11) facing each other in a first direction (D1). At least a portion of the electrolysis unit (1) positioned by the protrusion (22) includes the first electrode (13).

[0065] According to the electrolytic liquid production device (100) of the above aspect, the pressing force in the first direction (D1), which is the direction in which the first electrode (13) and the second electrode (11) face each other, is unlikely to become biased in the electrolytic unit (1). Therefore, the electric resistance in the electrolytic unit (1) is unlikely to become biased, and the production efficiency of the electrolytic liquid is improved. In addition, by positioning the first electrode (13) of the electrolytic unit (1), it is not necessarily necessary for the elastic body (2) to position the cathode (11).

[0066] In the electrolytic liquid generation device (100) according to the sixth embodiment, in the fifth embodiment, the first electrode (13) is an anode.

[0067] According to the electrolytic liquid generating device (100) of the above aspect, in the electrolytic liquid generating device (100) in which the cathode (11) is larger than the anode (13), the cathode (11) is not positioned by the elastic body (2), and therefore it is possible to design the cathode (11) so as to maximize the area of ​​the electrolytic section (1). [Explanation of symbols]

[0068] 100 Electrolyte liquid generation device 1 Electrolytic section 11 Cathode (second electrode) 13 Anode (first electrode) 2 Elastic body 211 Edge 213 Edge 22 protrusion (1st protrusion) 23 Protrusion (2nd protrusion) 3. Housing 32 Cover 331 Convex Row 331A End row D1 direction (first direction) D3 direction (second direction) D2 direction (3rd direction)

Claims

1. an electrolysis unit that electrolyzes the liquid; An elastic body pressing the electrolysis unit in a first direction, which is a stacking direction of the electrolysis unit; a housing in which the electrolysis unit and the elastic body are disposed, the elastic body has a protrusion that positions at least a part of the electrolysis unit, At least a portion of the protrusion is provided outside an edge portion of the elastic body in a second direction intersecting with the first direction. Electrolyte liquid generation device.

2. When viewed in a plan view from the first direction, The elastic body has an elongated shape, The second direction is a short side direction of the elastic body. The electrolytic liquid generating device according to claim 1 .

3. the housing includes a cover having a plurality of rows of protrusions extending in a third direction intersecting the second direction, The electrolysis unit is sandwiched between the cover and the elastic body, The plurality of protruding portions of the cover press the electrolysis portion in the first direction, In the second direction, the protrusion is located at a position overlapping with an end row located at an end of the plurality of convex portion rows or located outside the end row.

3. The electrolytic liquid generating device according to claim 1 or 2.

4. When the protrusion is a first protrusion, the elastic body has a second protrusion that positions at least a part of the electrolysis unit on the outside of an edge portion in a third direction intersecting with the second direction.

3. The electrolytic liquid generating device according to claim 1 or 2.

5. The electrolysis unit includes a first electrode and a second electrode facing each other in the first direction, At least a portion of the electrolysis unit positioned by the protrusion includes the first electrode.

3. The electrolytic liquid generating device according to claim 1 or 2.

6. The first electrode is an anode. The electrolytic liquid generating device according to claim 5 .

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