JP2005058930A - Water purifier - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a water purifier 1 which is provided with a power source part for supplying electric power to a display part, or the like, for displaying various kinds of information and is capable of facilitating the loading/unloading of a coin type battery stored inside the power source part. <P>SOLUTION: This water purifier is composed of a case 3 of a blind hollow shape and a cover 4 fixed to the case 3 freely attachably and detachably and is provided with the power source part 2 capable of supplying electric power from the coin type battery 6 stored in a closed space 5 formed by the casing 3 and the cover 4. Therein, the casing 3 constituting the power source part 2 has a positioning means 7 capable of positioning the coin type battery 6 on the bottom surface, the cover 4 constituting the power source part 2 has a holding part 8 capable of holding the coin type battery 6 positioned by the positioning means 7 of the casing 3 by pressurizing the coin type battery 6 to the bottom side of the casing 3, and the coin type battery 6 is stored in the closed space 5 in the state pressurized and clamped by the positioning means 7 of the casing 3 and the holding part 8 of the cover 4. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

The present invention relates to a water purifier. More specifically, the present invention relates to a water purifier provided with a power supply unit for supplying power to a display unit or the like that displays various information necessary for the water purifier.

In recent years, in process equipment and household water purifiers in fields such as the chemical industry and the food industry, ceramic membranes, activated carbon, etc. are used as filters for purifying them by sterilization, filtration, etc. by allowing the stock solution to permeate inside A filter cartridge using a filter cartridge in which the filter element is housed in a case is used.

Such a water purifier includes, for example, a liquid crystal panel or a light emitting diode for displaying a filter cartridge replacement time to the user. In this case, the power for driving the liquid crystal panel or the light emitting diode is included. As a source, a small battery such as a coin-type battery is used as the water purifier is miniaturized. Specifically, for example, a battery cover of a water purifier is provided with a notch that can be removed by hooking a finger on a coin-type battery attached inside (hereinafter referred to as “notch structure”). (For example, refer to Patent Document 1).

FIG. 5 is an exploded perspective view of the battery storage case 50 used in the water purifier. The battery storage case 50 includes a battery cover 52 and a battery holder 53 having a notch structure 51, and the battery cover 52 is detachably attached to the battery holder 53 by a bayonet mechanism 54 and an O-ring 55. . When the coin-type battery 56 is attached, the battery 56 is first attached in the battery cover 52, and then the battery cover 52 is attached to the battery holder 53 together with the battery 56 by the bayonet mechanism 54.

When it is necessary to replace the battery 56 attached to the battery cover 50, the battery cover 52 is first detached from the battery holder 53 by the bayonet mechanism 54, and then cut on the wall surface of the battery cover 52. The battery 56 is taken out by hooking a finger directly from the concave portion of the notch structure 51 to a part of the outer peripheral side surface of the battery 56. According to this, even when the entire outer peripheral side surface of the battery 56 is covered with a wall surface having substantially the same height as the upper position of the battery 56, a part of the outer peripheral side surface of the battery 56 can be directly touched. Therefore, the battery 56 can be easily taken out to some extent.
JP 2003-10840 A

However, in the notch structure described in the above-mentioned Patent Document 1, when the battery is to be taken out by hooking a finger on the outer peripheral side surface of the battery visible from the recess of the notch structure, the battery surface is made of a metal such as stainless steel. Because the surface is smooth, the finger slips and cannot be taken out well, or even when the finger can be caught on the surface of the battery, the finger that is caught often slips and comes off. There was a problem that the battery was ejected in the direction to be removed with a finger due to an excessive pressure applied instantaneously, and the battery fell to the floor or the like.

The present invention has been made in view of the above-described problems, and includes a power supply unit for supplying power to a display unit or the like that displays various types of information necessary for a water purifier, and a coin-type battery stored therein. It aims at providing the water purifier which can be attached or detached easily.

This invention provides the following water purifiers in order to solve the above-mentioned subject.

[1] An electric power is generated from a coin-type battery that is configured by a bottomed hollow case body and a lid body that is detachably fixed to the case body and that is housed in a sealed space defined by the case body and the lid body. A water purifier having a power supply unit capable of supplying the power supply unit, wherein the case body constituting the power supply unit has positioning means capable of positioning the coin-type battery on a bottom surface thereof, and the power supply unit The cover body that is configured includes a holding portion that can hold the coin-type battery positioned by the positioning means of the case body by pressing the coin-type battery against the bottom surface side of the case body. A water purifier housed in the sealed space in a state of being pressed and clamped by the positioning means of the case body and the holding portion of the lid body.

[2] The water purifier according to [1], wherein the case body and the lid body are fixed by a bayonet mechanism.

[3] The water purifier according to [1] or [2], wherein the case body and the lid body are fixed in a state where a waterproof O-ring is disposed therebetween.

[4] The water purifier according to any one of [1] to [3], wherein the positioning means is a plurality of protrusions or ridges.

According to the present invention, a power supply unit for supplying power to a display unit or the like for displaying various information necessary for a water purifier is provided, and a coin-type battery housed in the power supply unit can be easily attached and detached. Can be provided.

Hereinafter, embodiments of the water purifier of the present invention will be specifically described with reference to the drawings.

FIG. 1 is a cross-sectional view schematically showing the configuration of one embodiment of the water purifier of the present invention, and FIG. 2 is a cross section taken along a plane perpendicular to the bottom surface of the power supply unit used in the present embodiment. FIG. 3 is a plan view showing an example of a case body constituting the power supply unit used in the present embodiment.

As shown in FIG. 1, the water purifier 1 of the present embodiment is a water purifier 1 including a filter 20, an external case 40, and a power supply unit 2.

The filter 20 constituting the water purifier 1 of the present embodiment may be any filter as long as it can purify the undiluted solution 21 to be purified and take it out as the purified liquid 24, and is preferably a filter used in a conventionally known water purifier. Can be used. In particular, the filter 20 used in the present embodiment is preferably one that can effectively purify the stock solution 21 to be purified and is easy to maintain. For example, an inlet 22 for taking in the stock solution 21 to be purified; A filter body 23 for purifying the undiluted solution 21 to be purified by permeating the inside, a take-out port 25 for taking out the purification liquid 24, and surrounding the filter body 23 so as to store the filter body 23 therein. The filter cartridge is preferably provided with a sealed filter case 26 except for the stock solution inlet 22 and the purified solution outlet 25 (in the water purifier 1 shown in FIG. Shown when cartridge is used).

Moreover, the outer case 40 which comprises the water purifier 1 of this Embodiment will not be specifically limited if the filter 20 and the power supply part 2 can be accommodated in the inside, For example, the filter 20 An outer case 40 having a storage chamber 41 for storing the inside thereof, an introduction pipe 42 connected to the intake port 22, and a lead-out pipe 43 for leading the purification liquid 24 taken out from the take-out port 25 to the outside is preferably used. be able to.

The power supply part 2 which comprises the water purifier 1 of this Embodiment is shown in FIGS. 1-3 from the bottomed hollow-shaped case body 3 and the cover body 4 fixed to the case body 3 so that attachment or detachment was possible. A display unit configured to display various information of the water purifier 1, for example, a portion of the water purifier 1 that consumes power from the coin-type battery 6 stored in the sealed space 5 partitioned by the case body 3 and the lid body 4. It is comprised so that electric power can be supplied to the measurement part (not shown) which measures the state of a purification liquid (not shown). In the present embodiment, the case body 3 constituting the power source unit 2 has positioning means 7 capable of positioning the coin-type battery 6 on the bottom surface thereof, and the lid body 4 constituting the power source unit 2 is composed of the case body 3. The coin-type battery 6 positioned by the positioning means 7 has a holding portion 8 that can hold the coin-type battery 6 by pressing it toward the bottom surface of the case body 3. It is stored in the sealed space 5 in a state of being pressed and clamped by the holding portion 8 of the body 4.

The positioning means 7 described above is provided only for positioning the coin-type battery 6 without firmly fixing the coin-type battery 6, and is positioned in an area that is substantially the same as or slightly larger than the outer diameter of the coin-type battery 6. It is configured to be able to. With this configuration, when the coin-type battery 6 is stored inside the case body 3, the coin-type battery 6 is simply inserted into the case body 3, or the coin battery is moved lightly with a finger, The coin-type battery 6 is positioned by the positioning means 7 simply by shaking the case body 3 containing the battery 6 to the left and right. Therefore, if the coin-type battery 6 can be inserted into the case body 3 without making a mistake, the coin-type battery 6 is positioned without permission. Then, by fixing the lid body 4 to the case body 3, the holding portion 8 of the lid body 4 presses and holds the positioned coin-type battery 6 against the bottom surface side of the case body 3, and the case body 3 and the lid It can be stored in a sealed space partitioned by the body 4. Further, when the coin-type battery 6 is removed from the power supply unit 2, the coin-type battery 6 is simply positioned inside the case body 3 only by the positioning means 7 by releasing the fixation of the lid 4. Therefore, the coin-type battery 6 can be easily removed simply by pushing it out of the case body 3 with a fingertip, and a large force is not required when the coin-type battery 6 is attached to or detached from the power supply unit 2. For this reason, like a power supply unit used in a conventional water purifier, when removing a coin-type battery, an excessive pressure is applied, the battery pops out, and the coin-type battery is effectively prevented from falling to the floor or the like. be able to.

In the water purifier 1 of the present embodiment, as long as the positioning means 7 described above can position the coin-type battery 6, for example, as shown in FIG. 3, the shape of the outer periphery of the coin-type battery 6. A plurality of protrusions 7 a that are scattered corresponding to the shape of the coin-type battery 6, or a protrusion 7 b having a shape corresponding to the shape of the outer periphery of the coin-type battery 6, as shown in FIG. 4. 3 shows an example in which three protrusions 7a are scattered corresponding to the shape of the outer periphery of the coin-type battery 6, the number of protrusions 7a is limited to this. There is no. With this configuration, as shown in FIGS. 2 to 4, the coin-type battery 6 can be easily positioned, and even if the front and back are inserted in the case body 3 in the reverse direction, the positioning means 7 ( Since the protrusions 7a and the protrusions 7b) become obstructive and the lid 4 cannot be pushed in, it is possible to prevent an erroneous insertion of the coin-type battery 6.

As shown in FIG. 2, the inner surface of the lid 4 is loosely fitted with the coin-type battery 6, and the coin-type battery 6 is attached to the lid 4 (battery cover) like a conventional battery storage case. Therefore, when the coin-type battery 6 is removed, the finger cannot slide and cannot be removed well, and the coin-type battery 6 does not pop out and fall to the floor or the like. The gap between the inner surface of the lid 4 and the coin battery 6 is not particularly limited, but is preferably 0.2 to 1.0 mm. With this configuration, for example, when the coin-type battery 6 is stored in the case body 3, the lid body 4 is pushed in even if the coin-type battery 6 is not accurately fitted inside the positioning means 7. Thus, the coin-type battery 6 is centered and can be fixed at a predetermined position.

In addition, as shown in FIGS. 1-3, in the water purifier 1 of this Embodiment, if the case body 3 and the cover body 4 are detachably fixed, the fixing method etc. will be specifically limited. However, it is preferable that both are fixed without using a complicated mechanism. For example, the case body 3 and the lid body 4 are preferably fixed by a bayonet mechanism. By comprising in this way, the case body 3 and the cover body 4 can be fixed easily and reliably.

The material of the case body 3 and the lid body 4 is not particularly limited as long as it is solid at room temperature and has electrical insulation properties. For example, ABS resin, POM resin, nylon resin, PP resin, and PE resin are preferable examples. Can be mentioned.

Inside the case body 3, at least two terminals 10 (a negative electrode 10a and a positive electrode 10b) are disposed, each of which is a display unit (shown) for displaying various information of the water purifier 1 by a lead wire (not shown). (Not shown) and a measuring unit (not shown) for measuring the state of the cleaning liquid 24, etc., and connected to a display unit (not shown) or the like from the coin-type battery 6. Has been.

The material of the terminal 10 disposed inside the case body 3 is not particularly limited as long as it is solid at room temperature and has conductivity. For example, aluminum, titanium, chromium, iron, cobalt, nickel, copper , Zinc, niobium, molybdenum, ruthenium, rhodium, silver, tin, tantalum, tungsten, iridium, platinum, gold, lead, and the like. Among these, from the viewpoint of conductivity, a platinum group metal such as platinum, rhodium, palladium, or an alloy such as silver-platinum or platinum-palladium containing these is preferable, and copper is preferable from the viewpoint of durability. Silver and gold are preferred.

Moreover, in the water purifier 1 of the present embodiment, the case body 3 and the lid body 4 may be fixed in a liquid-tight state in order to prevent water from entering the power supply unit 2. Preferably, in the water purifier 1 shown in FIG. 1, the case body 3 and the lid body 4 are fixed in a state where a waterproof O-ring 13 is disposed therebetween. Normally, a water purifier is installed and used in a place where water is likely to scatter. Therefore, if the power tightness of the power supply is not sufficient, water, water vapor, etc. may enter the power supply and be placed inside the power supply. The installed metal parts and the coin-type battery itself rust and cause failure. Moreover, accidents such as electric shock may be caused when the water purifier in which water has entered from the surface to the inside of the power supply unit is touched. In the water purifier 1 shown in FIG. 1, the case body 3 and the lid body 4 are fixed in a state where a waterproof O-ring 13 is disposed between them. And it is possible to effectively prevent accidents such as failure and electric shock as described above.

The material of the O-ring 13 is preferably a material excellent in waterproofness. For example, a fluorine resin, silicon rubber, nitrile rubber (NBR), ethylene propylene rubber (EPDM) and the like can be cited as preferable examples. it can.

Further, a recess 11 for locking and turning a coin or the like on the surface of the lid 4 opposite to the surface constituting the sealed space 5 in order to easily remove the lid 4 from the case body 3. It is also possible to provide.

Moreover, the filter main body 23 which comprises the filter 20 used for the water purifier 1 of this Embodiment may have a structure which takes out the purification | cleaning liquid 24 from the edge part 30 side, From the outer peripheral wall 31 side. It may have a structure for taking out the cleaning liquid 24.

Examples of such a filter main body 23 are made of hollow fiber, made of ceramics (there are honeycomb-shaped or monolith-shaped, etc. alternately sealed), fibrous or granular activated carbon, etc. Can be mentioned. Especially, what was equipped with the ceramic filter which is excellent in heat resistance and corrosion resistance can be used suitably. Further, a combination of a ceramic filter and activated carbon may be used.

Examples of the material of the filter case 26 constituting the filter 20 include synthetic resins such as PP resin, ABS resin, and PVDF resin that are easy to mold and can be easily collected and recycled after use. it can.

Examples of the material of the outer case 40 include metals such as stainless steel, plastics such as ABS resin and acrylic resin, and the like.

In addition, there is no restriction | limiting in particular as stock solution 21 refine | purified with the water purifier 1 of this Embodiment, For example, the various liquids etc. which are used by tap water, chemical industry, food industry, etc. can be mentioned.

EXAMPLES Hereinafter, although an Example demonstrates this invention further more concretely, this invention does not receive any restriction | limiting by the following examples.

A water purifier having a filter, an external case, and a power source was manufactured. In this embodiment, the case body constituting the power supply unit has positioning means capable of positioning the coin-type battery (CR2354) on the bottom surface, and the lid constituting the power supply unit is positioned by the case body positioning means. A water purifier having a holding part capable of holding the coin-type battery pressed against the bottom side of the case body was manufactured. The case body and the lid body were manufactured using ABS resin. In the water purifier of the present embodiment, the positioning means constituting the power supply unit is formed from three projections, and the coin battery can be positioned in the region formed by the three projections. ing.

In addition, the water purifier of the present embodiment is configured such that the lid body and the case body can be fixed by the bayonet mechanism with a waterproof O-ring disposed therebetween. In addition, the filter which comprises a water purifier used the ceramics filter.

The water purifier of the present embodiment can easily position the coin-type battery by putting the coin-type battery inside the case body and lightly moving the coin-type battery with a finger, and further by fixing the lid The coin-type battery could be stored in the sealed space while being pressed and clamped by the case body positioning means and the lid holding portion.

Moreover, compared with the power supply part used for the conventional water purifier, power was not required for removal of a coin-type battery, and the battery was able to be replaced simply. Also, if you insert the coin-type battery upside down, the protrusion will get in the way and the coin-type battery will not be positioned, and you will not be able to push in the lid to secure it. We were able to. Further, even if the coin-type battery inserted into the case body was not accurately fitted inside the protrusion, centering was performed by the inner side surface of the lid body, and the coin-type battery could be positioned at a predetermined position.

The water purifier of the present invention includes a power supply unit for supplying power to a display unit or the like that displays various necessary information, and is used for process equipment and tap water for household use in the fields of chemical industry, food industry, etc. It can be suitably used as a vessel.

It is sectional drawing which shows typically the structure of one embodiment of the water purifier of this invention. It is sectional drawing cut | disconnected by the plane perpendicular | vertical to the bottom face of the power supply part used for one embodiment of the water purifier of this invention. It is a top view which shows an example of the case body which comprises the power supply part used for one Embodiment of the water purifier of this invention. It is a top view which shows the other example of the case body which comprises the power supply part used for one embodiment of the water purifier of this invention. It is a disassembled perspective view of the battery storage case currently used for the conventional water purifier.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Water purifier, 2 ... Power supply part, 3 ... Case body, 4 ... Cover body, 5 ... Sealed space, 6 ... Coin type battery, 7 ... Positioning means, 7a ... Projection part, 7b ... Projection part, 8 ... Holding Part, 10 ... terminal, 10a ... negative electrode, 10b ... positive electrode, 11 ... recess, 13 ... O-ring, 20 ... filter, 21 ... stock solution, 22 ... intake port, 23 ... filter body, 24 ... purifying solution, 25 ... outlet port , 26 ... filter case, 30 ... end, 31 ... outer peripheral wall, 40 ... outer case, 41 ... storage chamber, 42 ... introduction pipe, 43 ... lead-out pipe, 50 ... battery storage case, 51 ... notch structure, 52 ... Battery cover, 53 ... battery holder, 54 ... bayonet mechanism, 55 ... O-ring, 56 ... battery.

Claims (4)

An electric power is supplied from a coin-type battery which is composed of a bottomed hollow case body and a lid body detachably fixed to the case body and is housed in a sealed space defined by the case body and the lid body. A water purifier equipped with a power supply capable of
The case body constituting the power supply section has positioning means capable of positioning the coin-type battery on the bottom surface thereof, and the lid body constituting the power supply section is positioned by the positioning means of the case body. The coin-type battery has a holding part capable of being pressed and held on the bottom surface side of the case body, and the coin-type battery is pressed by the positioning means of the case body and the holding part of the lid body. A water purifier housed in the sealed space in a sandwiched state. The water purifier according to claim 1, wherein the case body and the lid body are fixed by a bayonet mechanism. The water purifier according to claim 1 or 2, wherein the case body and the lid body are fixed in a state where a waterproof O-ring is disposed therebetween. The water purifier according to any one of claims 1 to 3, wherein the positioning means is a plurality of protrusions or ridges.

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