JP5191550B2 - Filtration device having automatic detection structure of filter block state - Google Patents

Description

  The present invention relates to a filtration device used in a water purification device or the like, and more particularly, to a filtration device having a filter block state automatic detection structure using a water purification screening program for filtering raw water through a filter.

  Conventional water purification equipment for home use is a small water treatment facility that can efficiently remove chlorine, heavy metal bacteria, viruses, algae and solid suspended solids in raw water, and then provided with activated carbon treatment, and further underwater It is possible to remove the various organic substances and clean and sterilize the water after the treatment to provide people with healthy and standard drinking water. Home water purification equipment is generally composed of a plurality of filtration devices having filters with different functions.

  However, the filter will cause the filter to expire due to long-term use, residue blockage, and microbial growth, etc., that is, the life of the filter, and can usually be judged based on the operating time or the flow rate of water. Due to the different water quality conditions in the district, the filter life cannot be accurately detected. It is impossible to understand and grasp the operating state of the filter from time to time, it is not scientific enough, and people are concerned about the safety of drinking water.

JP-A-9-70508

  The technical problem to be solved by the present invention is to determine the service life of the filter based on the condition of the block of the filter in a timely manner with respect to the current state of the prior art of the filtration device used in the water purifier (equipment) and the like. The present invention is to provide a filtration device with an automatic detection structure, which is simple in structure, sensitive in operation, low in cost and has practical advantages.

The configuration adopted by the present invention to solve the above technical problem is as follows.
A filter device having an automatic detection structure of a block state of a filter, comprising a cartridge at an open end, a cartridge cover that is liquid-tightly matched with the cartridge, and a filter mounted in the cartridge, wherein the filter, the cartridge cover, and the cartridge are mutually connected The cartridge cover has a water inlet that communicates with the water inlet chamber and a water outlet that communicates with the filter chamber, of which the first plan communicates with the water inlet chamber above the cartridge cover. A second plunger chamber that communicates with the jar chamber and the filtration chamber, and the first plunger chamber is liquid-tightly mounted with a first plunger that can move up and down; Attach the second plunger. Each of the first plunger and the second plunger can be engaged with a lever having a rotating shaft as a fulcrum, push the lever and trigger a fine movement switch, and convert the pressure signal into a warning electric signal.

In order to improve the function of the filtering device having the above-described filter block state (clogged state) or filter automatic life detection structure, the specific measures to be taken further include the following.
Said 1st plunger and 2nd plunger are located in the both sides of a rotating shaft, respectively, and are combined with a lever.
The first plunger has a first annular groove, the first annular groove is fitted with a first sealing ring, the second plunger has a second annular groove, and The second annular groove is fitted with a second sealing ring, and the first plunger and the second plunger are connected to the first plunger chamber and the second plunger through the first sealing ring and the second sealing ring, respectively. Combined with the chamber in a liquid-tight manner.

Each of the first annular groove and the second annular groove has two concave grooves.
The cartridge has a stereotactic convex ring that matches the inner diameter of the filter at the center of the bottom of the cartridge, and has a stereotactic convex part that matches the inner diameter of the filter that extends downward at the center of the cartridge cover. The inner space surrounded by the stereotaxic projections constitutes a filtration chamber, and the outer space surrounded by the cartridge cover and the inner wall of the cartridge constitutes a water inlet chamber.

The above-described cartridge cover and cartridge employ screwing and are mounted, and the cartridge has an inner ring sealing groove, and the sealing groove is mounted with a flexible and wear-resistant rubber sealing ring.
The diameter of the second plunger chamber is larger than the diameter of the first plunger chamber.

The cross sections of the first plunger and the second plunger can be adjusted according to the pressure difference of normal operation of different filters.
The position of the lever fulcrum can be adjusted according to the pressure difference of normal operation of different filters.

  According to the filtration device having the automatic detection structure of the filter block state used in the water purification device or the like of the present invention, compared with the conventional filtration device, the first plunger chamber and the filtration chamber communicated with the water entry chamber at the upper part of the cartridge cover. The second plunger chamber has a second plunger chamber communicating with the first plunger chamber. The first plunger chamber is liquid-tightly mounted with a first plunger capable of moving up and down, whereas the second plunger chamber has a second plunger mounted thereon. Installing. Each of the first plunger and the second plunger is configured to engage with a lever having a rotating shaft as a fulcrum, push the lever, trigger a fine movement switch, and convert a pressure signal into a warning electrical signal. According to the present invention, the lever is operated in accordance with the action of increasing / decreasing the pressure of the first plunger and the second plunger through the difference in water pressure between the first plunger chamber and the second plunger chamber, and the fine movement switch is closed. Or it is triggered by opening, converting the pressure signal value of the water entry chamber and the filtration chamber into an electrical signal, automatically detecting the size of the filter's filtration capacity, and judging the filter's operating state, thus preventing the filter from being blocked In addition, the block state of the filter and, as a result, the service life can be accurately determined through the pressure difference.

  In addition, the present invention has an advantage that the structure is simple, the operation is convenient, the performance is stable, and at the same time, the immediate monitoring of the filtration state of the water purification equipment can be realized.

It is structure explanatory drawing of the Example of this invention. It is structure explanatory drawing at the time of the filter block state of the Example of this invention. FIG. 2 is an explanatory diagram of the structure of the cartridge cover of FIG. It is explanatory drawing of the 1st plunger structure of FIG. It is explanatory drawing of the 2nd plunger structure of FIG.

  In the following, further description will be given to an embodiment of a filtration apparatus having an automatic detection structure of a filter block state and a service life according to the present invention in accordance with the drawings.

1 to 5 are explanatory views of the structure of a filtration device used in the water purification equipment of the present invention.
As shown in FIGS. 1 to 5, the filter device having an automatic detection structure of the filter block state (clogging) and the service life according to the embodiment of the present invention is matched with the cartridge 1 at the open end and the liquid-tight state. A cartridge cover 2 and a filter 3 mounted in the cartridge. The filter 3, the cartridge cover 2 and the cartridge 1 are combined with each other to form a water inlet chamber 1a and a filter chamber 1b. The cartridge cover 2 is a water inlet chamber. A second plan that has a water inlet 2a that communicates with the filtration chamber 1b and a water outlet 2b that communicates with the filtration chamber 1b, and that communicates with the first plunger chamber 21 and the filtration chamber 1b that communicate with the water inlet chamber 1a at the top of the cartridge cover 2; A jar chamber 22 is provided.
And the 1st plunger chamber 21 mounts | wears with the 1st plunger 4 which can move up and down liquid-tightly, and the 2nd plunger chamber 22 mounts | wears with the 2nd plunger 5 on the contrary. The first plunger 4 and the second plunger 5 are both engaged with a lever 6 having a rotating shaft 61 as a fulcrum, and the lever 6 is pushed and moved to trigger a fine switch 7 to convert a pressure signal into a warning electrical signal. can do.

  The embodiment of the present invention uses the block state of the water entering chamber 1a and the filtration chamber 1b or changes in water pressure due to clogging, and acts on the lever 6 via the first plunger 4 and the second plunger 5, 6 is used to trigger the fine switch 7 to convert the pressure signal into a warning electrical signal. Thereby, automatic detection is realized, the magnitude of the filtering ability of the filter is detected, the operation state of the filter is immediately determined, and the normal operation of the filter is guaranteed. As shown in FIG. 2, when the filter is blocked, the water pressure in the water inlet chamber 1a increases and the water pressure in the filtration chamber 1b decreases, so that the propulsive force of the first plunger 4 is larger than that of the second plunger 5. Thus, the lever 6 is tilted in the direction of the second plunger 5, and the lever 6 releases the contact with the fine movement switch 7 to realize a warning. As a result, people can determine the service life of the filter through the pressure difference at any time.

In the present embodiment, the first plunger 4 and the second plunger 5 are positioned on both sides of the rotating shaft 61 and are combined with the lever 6. The position of the fulcrum of the lever 6 can be adjusted according to the pressure difference of normal operation of different filters. The cross sections of the first plunger 4 and the second plunger 5 can also be adjusted according to the pressure difference in the normal operation of different filters.
In actual operation, the normal operating pressure value varies depending on the difference in the materials used for various filters and the difference in the filtering function requirements, and the lever 6, the first plunger 4 and the second plunger 5 may be adjusted. Yes, the present invention can be adjusted based on the actual situation, and it can be adapted to various filters to ensure the accuracy of detection.

  In this embodiment, as shown in FIGS. 4 and 5, the first plunger 4 has a first annular groove 41, and the first annular groove 41 is fitted with a first sealing ring 81. The second plunger 5 has a second annular groove 51, and the second annular groove 51 is fitted with a second sealing ring 82, and the first plunger 4 and the second plunger 5 are respectively The first plunger chamber 21 and the second plunger chamber 22 are liquid-tightly combined with each other via the first sealing ring 81 and the second sealing ring 82.

  Both the first annular groove 41 and the second annular groove 51 have two concave grooves. The plunger has a recessed groove, flexible and wear-resistant sealing ring, which can reduce the manufacturing cost, reduce the manufacturing accuracy requirements of the plunger and the plunger chamber, and the product requires the design process Can be achieved and the cost can be reduced. By having two concave grooves and adopting a double sealing ring and sealing, the sealing performance of the plunger can be improved, and at the same time, the plunger can be balanced and the inclination of the plunger can be prevented.

  As shown in FIGS. 1 to 3, a filter having a stereotactic convex ring 11 that matches the inner diameter of the filter 3 at the center of the bottom of the cartridge 1 of the present invention, and correspondingly extends downward to the center of the cartridge cover 2. The inner space surrounded by the filter 3, the localization convex ring 11, and the localization projection 23 constitutes the filtration chamber 1b, and the cartridge cover 2 and the inner wall of the cartridge 1 enclose. The external space constitutes the water entering chamber 1a.

  The filter 3 is fitted with the stereotactic convex ring 11 and the stereotactic convex part 23, divides the inner diameter of the cartridge 1 into the water inlet chamber 1a and the filtration chamber 1b, allows raw water to enter the water inlet chamber 1a from the water inlet 2a, and fills the water inlet chamber 1a. Let The raw water is filtered out to the filtration chamber 1b through the filter net of the filter by the pressure action, and after the filtered purified water fills the filtration chamber 1b, people pass upward from the inside of the filter 3 through the localization convex portion 23 and the outlet 2b. Spill for use.

  In this embodiment, the cartridge cover 2 and the cartridge 1 are mounted by screwing, and the cartridge 1 has an annular sealing groove 12, which is flexible and wear-resistant rubber sealed. A ring 83 is attached. The cartridge cover 2 and the cartridge 1 can be liquid-tightly combined via the rubber sealing ring 83. As shown in FIGS. 4 and 5, the diameter of the second plunger chamber 22 is the same as that of the first plunger chamber 21. Greater than diameter. By designing the size of the plunger based on the principle of water pressure, the pressure difference formed by the difference in water pressure between the filtration chamber 1b and the water inlet chamber 1a can be balanced.

Embodiments of the present invention implement filter block detection as follows.
As shown in FIG. 1, when normal and unblocked, the raw water enters the water inlet chamber 1a from the water inlet 2a, fills the water inlet chamber 1a, and water pressure simultaneously interacts with the first plunger 4. . The first sealing ring 81 and the rubber sealing ring 83 prevent raw water from leaking. The raw water fills the filtration chamber 1b through the filter 3 and flows toward the second plunger 5 and the water outlet 2b, and the second sealing ring 82 allows the filtered water to flow out only from the water outlet 2b of the cartridge cover 2. The pressure of the first plunger 4 is larger than the pressure of the second plunger 5, but the second plunger 5 is larger than the area of the first plunger 4, thereby promoting the water flow received by the second plunger 5. The force also increases, and under this influence, the second plunger 5 pushes and moves the lever, triggers the fine movement switch 7, and enters a normal operation state.

  As shown in FIG. 2, when the raw water enters the filtration device as shown in FIG. 2, the raw water fills the water inlet chamber 1 a and the water pressure simultaneously interacts with the first plunger 4. The first sealing ring 81 and the rubber sealing ring 83 do not leak raw water. The filter 3 is blocked (clogged) by the impurities 9 after long-term use, and the filtering action is invalidated due to the blocked state of the filter, and the raw water cannot pass through the filtration, or the water flow rate deviates from the normal value and the raw water enters. The pressure in the chamber 1a increases, thereby reducing the propulsive force of the second plunger 5 and moving the first plunger 4 upward, separating the lever 6 from the contact point of the fine switch 7 and turning off, The system receives the signal and starts a warning by a known display device or warning device as appropriate.

As described above, according to the present embodiment, in the filtration device used in the water purifier or the like, the lever is operated correspondingly by the increase / decrease action of the pressure of the first plunger and the second plunger, and the fine switch is closed or opened. Inspired, the pressure signal value of the water inlet chamber and the filtration chamber is converted into an electrical signal, the size of the filter's filtration ability is automatically detected, and the filter's operating state is judged. Through the pressure difference, it is possible to accurately determine the clogged state and service life of the filter.
In addition, the structure is simple, the operation is convenient, the performance is stable, and the maintenance is easy. At the same time, it is possible to immediately monitor the filtration state of the water purification equipment.
In the present invention, preferred embodiments have been disclosed as described above. However, the present invention is not limited to the present invention, and any person who is familiar with the technology does not depart from the spirit and scope of the present invention. Of course, various fluctuations and hydration colors can be added.

DESCRIPTION OF SYMBOLS 1 Cartridge 1a Water entrance chamber 1b Filtration chamber 11 Stereotactic convex ring 12 Sealing ditch | groove 2 Cartridge cover 2a Water inlet 2b Water outlet 21 1st plunger chamber 22 2nd plunger chamber 23 Localization convex part 3 Filter 4 1st plunger 41 1st 1 annular groove 5 2nd plunger 51 2nd annular groove 6 lever 61 rotating shaft 7 fine movement switch 81 first sealing ring 82 second sealing ring 83 rubber sealing ring 9 impurity

Claims (6)

Cartridge 1 open end, therewith includes cartridge cover 2 and a filter 3 which is attached to the cartridge is aligned in a liquid tight manner, the filter 3, the cartridge cover 2 and cartridge 1 are mutually combine, inlet chamber 1a and filtration chamber 1b The cartridge cover 2 has a water inlet 2a that communicates with the water inlet chamber 1a and a water outlet 2b that communicates with the filtration chamber 1b, of which the first plunger chamber communicates with the water inlet chamber 1a at the top of the cartridge cover 2 21 and a second plunger chamber 22 communicating with the filtration chamber 1b, and the first plunger chamber 21 is mounted a first plunger 4 can be up and down motion in a liquid-tight manner, a second plunger chamber 22 the second plunger 5 is mounted, the first plunger 4 and the second plunger 5 has a fulcrum nothing Re also the rotation axis 61 lever Engage, positioned on both sides of each of the first plunger 4 and the second plunger 5 rotates shaft 61, inspired fine movement switch 7 moves down the lever 6, the first plunger 4 is first annular and The first annular groove 41 has a first sealing ring 81, the second plunger 5 has a second annular groove 51, and the second annular groove 51 has a concave groove 41. A second sealing ring 82 is attached, and the first plunger 4 and the second plunger 5 are connected to the first plunger chamber 21 and the second plunger via the first sealing ring 81 and the second sealing ring 82, respectively. with combined liquid-tight and the chamber 22, the diameter of the second plunger chamber 22 is automatic blocked filters can be larger than the diameter of the first plunger chamber 21, to convert the pressure signal to the warning electrical signal Filtration device with the output structure.   2. The filter device having a filter block automatic detection structure according to claim 1, wherein each of the first annular groove 41 and the second annular groove 51 has two concave grooves.   There is a stereotaxic ring 11 that fits the inner diameter of the filter 3 at the center of the bottom of the cartridge 1, and a stereotactic projection 23 that matches the inner diameter of the filter 3 that extends downward at the center of the cartridge cover 2. The internal space surrounded by the filter 3, the localization convex ring 11 and the localization projection 23 constitutes a filtration chamber 1b, and the external space enclosed by the cartridge cover 2 and the inner wall of the cartridge 1 constitutes a water inlet chamber 1a. Item 3. A filtering device comprising the filter block automatic detection structure according to Item 2.   The cartridge cover 2 and the cartridge 1 employ screwing and are mounted, and the cartridge 1 has an inner ring sealing groove 12, and the sealing groove 12 includes a flexible and wear-resistant rubber sealing ring 83. 36. The filtration device comprising the filter block state automatic detection structure according to claim 35.   2. The filter block state automatic according to claim 1, wherein the cross-sections of the first plunger 4 and the second plunger 5 can be adjusted according to a pressure difference of normal operation of different filters. Filtration device with detection structure.   6. The filtering device having an automatic detection structure of a filter block state according to claim 5, wherein the position of the fulcrum of the lever 6 can be adjusted in accordance with a pressure difference in normal operation of different filters.

Images