CN113582365A - Water purification device capable of intelligently reminding user to replace filter element - Google Patents
Water purification device capable of intelligently reminding user to replace filter element Download PDFInfo
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- CN113582365A CN113582365A CN202111038564.0A CN202111038564A CN113582365A CN 113582365 A CN113582365 A CN 113582365A CN 202111038564 A CN202111038564 A CN 202111038564A CN 113582365 A CN113582365 A CN 113582365A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/152—Water filtration
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Abstract
The invention belongs to the technical field of water purifying devices, and particularly relates to a water purifying device capable of intelligently reminding replacement of a filter element, which comprises a shell, wherein the upper surface of the shell is provided with a water outlet, the upper surface of the shell is provided with a water inlet, and the inner bottom wall of the shell is provided with a clamping seat; the surface threaded connection of delivery port has the filter core device, the filter core device filters purification to sewage. This purifier of replacement filter core is reminded to intelligence, through setting up water quality testing device, sewage is through the filtration in three filtration storehouse, strain into clean drinking water and finally get into the water storage storehouse, at this moment by the quality of water in the quality of water detector detection water storage storehouse, then the rethread mainboard is with data display on the display screen, so that the condition of quality of water can be seen at any time to the drinking water people, effectively solved purifier in the past and did not remind the function of replacing the filter core, the harm that causes the health of the human body under the circumstances that the filter effect descends has been led to.
Description
Technical Field
The invention relates to the technical field of water purifying devices, in particular to a water purifying device capable of intelligently reminding replacement of a filter element.
Background
Sewage purification refers to a purification process for removing contaminants from raw water, and aims to achieve the effect of purifying water in a specific procedure and use the water for various purposes. At present, in the prior art, when outdoor water is used, the water needs to be purified before being used.
The drinking water problem is often met in field operation and mountaineering tour, on one hand, a large amount of drinking water is not convenient to carry, on the other hand, a stream and a pool water are around, and the drinking water cannot be directly drunk, and at the moment, a portable device for changing rainwater, river water and pool water into drinking water is very necessary. Although there is the filter cup in the existing market, it can not reach the drinking water standard completely, it is also inconvenient to use, and on the other hand the filterability replacement of current purifier is inconvenient, does not remind the function of replacing the filter core moreover, and the filter effect just descends greatly under the long-time condition of using of filterability to cause the harm to drinking water people's health.
Disclosure of Invention
Based on the technical problems that the existing water purifying device is incomplete in filtering, inconvenient in replacing a filter element and incapable of reminding the replacement of the filter element, the invention provides the water purifying device capable of intelligently reminding the replacement of the filter element.
The invention provides a water purifying device capable of intelligently reminding replacement of a filter element, which comprises a shell, wherein the upper surface of the shell is provided with a water outlet, the upper surface of the shell is provided with a water inlet, and the inner bottom wall of the shell is provided with a clamping seat;
the surface of the water outlet is in threaded connection with a filter element device, and the filter element device is used for filtering and purifying sewage;
and the top side surface of the filter element device is in threaded connection with a sealing device, and the sealing device is used for sealing and storing purified water.
Preferably, the surface of the water inlet is in threaded connection with a water inlet cover, and the inner top wall of the water inlet cover is provided with a rubber gasket.
Through above-mentioned technical scheme, the lid of intaking prevents behind water inlet threaded connection that sewage from flowing out, and the rubber gasket then further plays sealed waterproof function.
Preferably, the filter element device comprises a filter element shell, a clamping groove is formed in the bottom surface of the filter element shell, the side surface of the filter element shell is in threaded connection with the surface of the water outlet, and the clamping seat is clamped on the surface of the clamping groove.
Through above-mentioned technical scheme, filter core shell and delivery port threaded connection make the filter core can dismantle, and the joint of draw-in groove and cassette makes the installation of filter core shell more firm.
Preferably, the bottom of the filter element shell is provided with a filter hole, the bottom surface of the filter element shell is provided with a first filter bin, the upper surface of the first filter bin is provided with a second filter bin, and the upper surface of the second filter bin is provided with a third filter bin.
Through above-mentioned technical scheme, sewage gets into first storehouse of straining through the filtration pore of filter element shell bottom, again strains the storehouse through the second in proper order and filters with the third and strain the storehouse and filter.
Preferably, rubber seal rings are arranged between the first filtering bin and the second filtering bin and between the second filtering bin and the third filtering bin, and the upper surface and the lower surface of the first filtering bin, the second filtering bin and the third filtering bin are permeable.
Through above-mentioned technical scheme, it can prevent that sewage from oozing to set up rubber seal between storehouse is strained to first storehouse, second and the third of straining.
Preferably, the inside of first straining the storehouse is provided with the cotton filter core of PP, the inside of second straining the storehouse is provided with granular activated carbon, the inside of third straining the storehouse is provided with rearmounted activated carbon.
Through the technical scheme, impurities such as suspended matters, particles, iron rust and the like in the liquid can be effectively removed through layer-by-layer filtration of the PP cotton filter element, the granular activated carbon and the post-positioned activated carbon.
Preferably, the upper surface in storehouse is strained to the third is provided with the water storage storehouse, the third strain the storehouse with be provided with between the water storage storehouse rubber seal, the upper surface in water storage storehouse and lower surface be symmetrical distribution have seted up the hole of permeating water.
Through the technical scheme, the sewage is filtered into clean drinking water through the third filtering bin and finally enters the water storage bin for storage.
Preferably, the sealing device comprises a sealing cover, the inner wall surface of the sealing cover is in threaded connection with the outer wall surface of the filter element shell, the outer wall surface of the sealing cover is in threaded connection with a water outlet cover, and a water quality detection device is arranged inside the water outlet cover.
Through above-mentioned technical scheme, the threaded connection of sealed lid and filter element shell can be effectual gives the water storage storehouse fixed sealed firmly.
Preferably, the water quality detection device includes water quality testing ware, water quality testing ware sets up the interior roof of play water cover, the inside of going out the water cover is provided with the mainboard, the top surface of going out the water cover is provided with the display screen, display screen and water quality testing ware all through the wire with mainboard connection.
Through above-mentioned technical scheme, detect the quality of water in the reservoir by water quality detector, then the rethread mainboard is with data display on the display screen.
Preferably, a purifier of replacement filter core is reminded to intelligence still includes:
the first water pressure sensor is arranged on the inner side of the filter element shell, the second water pressure sensor is arranged on one side of the clamping seat, and the first water pressure sensor and the second water pressure sensor are both connected with the main board;
when the water inlet starts to feed water, the mainboard acquires a first pressure value of the first water pressure sensor and starts timing, when the second water pressure sensor detects that the pressure value of the water pressure outside the filter element shell reaches the preset water pressure of the inlet water, the second water pressure sensor sends a critical signal to the mainboard, the mainboard acquires a second pressure value of the first water pressure sensor again, when the first water pressure sensor detects that the current water pressure inside the filter element shell reaches the preset water pressure, a filtering completion signal is sent to the mainboard, the mainboard stops timing to obtain filter element filtering time, the filter element filtering time is compared with the preset filter element filtering time, and if the difference value between the filter element filtering time and the preset filter element filtering time is larger than the preset difference value, the mainboard sends filter element replacing information to the display screen;
the imaging sensor is arranged on the inner side of the water outlet cover and is connected with the main board;
when the water outlet cover is covered, the imaging sensor scans and images the filter element shell and sends imaging information to the main board, the main board compares the imaging information with preset imaging information, and if the damage degree of the comparison result is greater than the damage degree threshold value, the main board sends filter element replacement information to the display screen;
the damage degree threshold is determined as follows:
step 1: acquiring the Poisson's ratio alpha and the elastic modulus beta of the filter element shell;
step 2: calculating the normal stress component corresponding to the three axes of the filter element shell in a space rectangular coordinate system in the following way:
wherein, deltaxIs a positive stress component of x-axis in a rectangular spatial coordinate system, deltayIs a positive stress component of y-axis in a space rectangular coordinate system, deltazIs the positive stress component of the z-axis in a space rectangular coordinate system, R is the radius of the filter element shell, pi is the circumferential ratio, KIIs a type I stress intensity factor, KIIThe stress intensity factor is II type stress intensity factor, a is the angle of the included angle formed by the position of the water pressure sensor in the filter element shell and the x axis, b is the angle of the included angle formed by the position of the water pressure sensor in the filter element shell and the y axis, and c is the angle of the included angle formed by the position of the water pressure sensor in the filter element shell and the z axis;
and step 3: according to the step 1 and the step 2, calculating a preset damage degree threshold value of the filter element shell, wherein the calculation method comprises the following steps:
wherein d is a preset damage degree threshold value, beta is the elastic modulus of the filter element shell, alpha is the Poisson's ratio of the filter element shell, and deltaxIs a positive stress component of x-axis in a rectangular spatial coordinate system, deltayIs a positive stress component of y-axis in a space rectangular coordinate system, deltazIs the positive stress component of the z-axis in the rectangular space coordinate system.
Through above-mentioned technical scheme for remind the user to change the filter core when filter core filtration efficiency is too slow, and when the filter core was impaired seriously, for preventing follow-up occurence of failure, remind the user to change the filter core.
The beneficial effects of the invention are as follows:
1. through setting up water quality testing device, sewage is through the filtration in three filtration storehouse, strains into clean drinking water and finally gets into water storage bin 7, at this moment by the quality of water in the quality of water detector detection water storage bin, then the rethread mainboard is with data display on the display screen to the condition of quality of water can be seen at any time to the drinking water people, effectively solved purifier in the past and did not remind the function of replacing the filter core, led to the harm that causes the health of the human body under the circumstances that the filter effect descends.
2. Through setting up filter core device, filter core device inside has to be become by three filtration storehouse and a water storage storehouse, and three filtration storehouse can detach impurity such as suspended solid, particle, iron rust in the liquid effectively, has effectively solved purifier in the past to the not thorough problem of sewage evolution.
3. Through setting up the filter element shell, the filter element shell sets to the replacement of the detachable mode filter core of being convenient for, only needs to twist off the filter element shell rotation when the replacement, replaces the filter core of filter element shell inside respectively, and it is rotatory with the shell again and twist on just can, has effectively solved the irreplaceable problem of purifier filter core in the past.
4. Through setting up hydraulic pressure sensor for can remind the user in time to change filter core lifting efficiency when the filter core filters efficiency too slowly, through setting up image sensor, make when the filter core will take place the circumstances such as damage, remind the user in advance to change the filter core, avoid causing bigger loss.
Drawings
Fig. 1 is a schematic view of a water purification device with intelligent reminding for replacing a filter element, which is provided by the invention;
fig. 2 is a sectional view of a housing structure of a water purification device with an intelligent reminding function for replacing a filter element, which is provided by the invention;
FIG. 3 is a sectional view of a filter element shell structure of a water purification device with intelligent reminding of replacing a filter element, which is provided by the invention;
FIG. 4 is a sectional view of a water inlet cover structure of a water purifying device with intelligent reminding for replacing a filter element, which is provided by the invention;
fig. 5 is a sectional view of a water outlet cover structure of a water purification device with an intelligent reminding function for replacing a filter element.
In the figure: 1. a housing; 11. a water outlet; 12. a water inlet; 13. a card holder; 2. a water inlet cover; 21. a rubber washer; 3. a filter element housing; 31. a card slot; 4. filtering holes; 41. a first filtration bin; 42. a second filtration bin; 43. a third filtering bin; 5. a rubber seal ring; 6. a PP cotton filter element; 61. granular activated carbon; 62. post-positioned active carbon; 7. a water storage bin; 71. water permeable holes; 8. a sealing cover; 82. a water outlet cover; 9. a water quality detector; 91. a main board; 92. a display screen; 101. a first water pressure sensor; 102. a second water pressure sensor; 10-1, an imaging sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, the water purifying device capable of intelligently reminding replacement of the filter element comprises a shell 1, wherein a water outlet 11 is formed in the upper surface of the shell 1, a water inlet 12 is formed in the upper surface of the shell 1, and a clamping seat 13 is arranged on the inner bottom wall of the shell 1;
the surface of the water outlet 11 is in threaded connection with a filter element device which is used for filtering and purifying sewage;
further, the filter element device comprises a filter element shell 3, a clamping groove 31 is formed in the bottom surface of the filter element shell 3, the side surface of the filter element shell 3 is in threaded connection with the surface of the water outlet 11, and a clamping seat 13 is clamped on the surface of the clamping groove 31.
Furthermore, the bottom of the filter element shell 3 is provided with a filter hole 4, the bottom surface of the filter element shell 3 is provided with a first filter bin 41, the upper surface of the first filter bin 41 is provided with a second filter bin 42, and the upper surface of the second filter bin 42 is provided with a third filter bin 43.
The sewage enters the first filtering bin 41 through the filtering holes at the bottom of the filter element shell 3 and then is filtered by the second filtering bin 42 and the third filtering bin 43 in sequence.
Through setting up the filter element shell, the filter element shell sets to the replacement of the detachable mode filter core of being convenient for, only needs to twist off the filter element shell rotation when the replacement, replaces the filter core of filter element shell inside respectively, and it is rotatory with the shell again and twist on just can, has effectively solved the irreplaceable problem of purifier filter core in the past.
Further, rubber seal rings 5 are arranged between the first filtering bin 41 and the second filtering bin 42 and between the second filtering bin 42 and the third filtering bin 43, and the upper surface and the lower surface of the first filtering bin 41, the second filtering bin 42 and the third filtering bin 43 can be permeable to water.
The rubber sealing rings 5 are arranged among the first filtering bin 41, the second filtering bin 42 and the third filtering bin 43, so that sewage can be prevented from seeping out.
Further, a PP cotton filter element 6 is arranged inside the first filtering bin 41, granular activated carbon 61 is arranged inside the second filtering bin 42, and post-activated carbon 62 is arranged inside the third filtering bin 43.
The impurities such as suspended matters, particles, rust and the like in the liquid can be effectively removed through the layer-by-layer filtration of the PP cotton filter element 6, the granular activated carbon 61 and the post-positioned activated carbon 62.
Further, the upper surface of the third filtering bin 43 is provided with a water storage bin 7, a rubber sealing ring 5 is arranged between the third filtering bin 43 and the water storage bin 7, and the upper surface and the lower surface of the water storage bin 7 are symmetrically provided with water permeable holes 71.
The sewage is filtered by the third filtering bin 43 to form clean drinking water, and the clean drinking water finally enters the water storage bin 7 for storage.
Through setting up filter core device, filter core device inside has to be become by three filtration storehouse and a water storage storehouse, and three filtration storehouse can detach impurity such as suspended solid, particle, iron rust in the liquid effectively, has effectively solved purifier in the past to the not thorough problem of sewage evolution.
The top side surface of the filter element device is in threaded connection with a sealing device, and the sealing device is used for sealing and storing purified water.
Further, the sealing device comprises a sealing cover 8, the inner wall surface of the sealing cover 8 is in threaded connection with the outer wall surface of the filter element shell 3, the outer wall surface of the sealing cover 8 is in threaded connection with a water outlet cover 82, and a water quality detection device is arranged inside the water outlet cover 82.
The sealing cover 8 is connected with the filter element shell 3 through threads, so that the water storage bin 7 can be effectively fixed and sealed.
Further, water quality testing device includes water quality testing ware 9, and water quality testing ware 9 sets up at the interior roof of play water cover 82, and the inside of play water cover 82 is provided with mainboard 91, and the top surface of going out water cover 82 is provided with display screen 92, and display screen 92 and water quality testing ware 9 all are connected with mainboard 91 through the wire.
The water quality in the water storage bin 7 is detected by the water quality detector 9, and then the data is displayed on the display screen 92 through the main board 91.
Through setting up water quality testing device, sewage is through the filtration in three filtration storehouse, strains into clean drinking water and finally gets into water storage bin 7, at this moment by the quality of water in the quality of water detector detection water storage bin, then the rethread mainboard is with data display on the display screen to the condition of quality of water can be seen at any time to the drinking water people, effectively solved purifier in the past and did not remind the function of replacing the filter core, led to the harm that causes the health of the human body under the circumstances that the filter effect descends.
Further, the surface of the water inlet 12 is connected with the water inlet cover 2 in a threaded manner, and the inner top wall of the water inlet cover 2 is provided with a rubber gasket 21.
The water inlet cover 2 is connected with the water inlet 12 through threads to prevent sewage from flowing out, and the rubber gasket 21 further has the functions of sealing and water proofing.
In one embodiment, a water purification unit of replacement filter core is reminded to intelligence still includes:
the filter element comprises a first water pressure sensor 101 and a second water pressure sensor 102, wherein the first water pressure sensor 101 is arranged on the inner side of the filter element shell 3, the second water pressure sensor 102 is arranged on one side of the clamping seat 13, and the first water pressure sensor 101 and the second water pressure sensor 102 are both connected with the main board 91;
when the water inlet 12 starts to feed water, the main board 91 acquires a first pressure value of the first water pressure sensor 101 and starts timing, when the second water pressure sensor 102 detects that the pressure value of the water pressure outside the filter element shell 3 reaches the preset water inlet pressure, the second water pressure sensor 102 sends a critical signal to the main board 91, the main board 91 acquires a second pressure value of the first water pressure sensor 101 again, when the first water pressure sensor 101 detects that the current water pressure inside the filter element shell 3 reaches the preset water pressure, a filtering completion signal is sent to the main board 91, the main board 91 stops timing to obtain filter element filtering time, the filter element filtering time is compared with the preset filter element filtering time, and if the difference value between the filter element filtering time and the preset filter element filtering time is larger than the preset difference value, the main board 91 sends filter element replacement information to the display screen 92;
the imaging sensor 10-1, the imaging sensor 10-1 is arranged on the inner side of the water outlet cover 82, and the imaging sensor 10-1 is connected with the main board 91;
when the water outlet cover 82 is covered, the imaging sensor 10-1 scans and images the filter element shell 3 and sends imaging information to the main board 91, the main board 91 compares the imaging information with preset imaging information, and if the damage degree of the comparison result is greater than the damage degree threshold value, the main board 91 sends filter element replacement information to the display screen 92;
the damage degree threshold is determined as follows:
step 1: acquiring the Poisson's ratio alpha and the elastic modulus beta of the filter element shell 3;
step 2: calculating the normal stress component corresponding to the three axes of the filter element shell 3 in a space rectangular coordinate system in the following way:
wherein, deltaxIs a positive stress component of x-axis in a rectangular spatial coordinate system, deltayIs a positive stress component of y-axis in a space rectangular coordinate system, deltazIs the positive stress component of the z-axis in a space rectangular coordinate system, R is the radius of the filter element shell, pi is the circumferential ratio, KIIs a type I stress intensity factor, KIIThe stress intensity factor is II type stress intensity factor, a is the angle of the included angle formed by the position of the water pressure sensor in the filter element shell and the x axis, b is the angle of the included angle formed by the position of the water pressure sensor in the filter element shell and the y axis, and c is the angle of the included angle formed by the position of the water pressure sensor in the filter element shell and the z axis;
and step 3: according to the step 1 and the step 2, calculating a preset damage degree threshold value of the filter element shell 3, wherein the calculation method comprises the following steps:
wherein d is a preset damage degree threshold value, beta is the elastic modulus of the filter element shell, alpha is the Poisson's ratio of the filter element shell, and deltaxIs a positive stress component of x-axis in a rectangular spatial coordinate system, deltayIs a positive stress component of y-axis in a space rectangular coordinate system, deltazIs the positive stress component of the z axis in the space rectangular coordinate system;
the working principle and the beneficial effects of the technical scheme are as follows: when the water inlet starts to feed water, the mainboard acquires a first pressure value of the first water pressure sensor and starts timing, the second water pressure sensor detects that the current water pressure changes, when the second water pressure sensor detects that the current water pressure value reaches the preset water inlet pressure, the second water pressure sensor sends a critical signal to the mainboard, the mainboard acquires a second pressure value of the first water pressure sensor again, when the first water pressure sensor detects that the current water pressure in the filter element shell reaches the preset water pressure, a filtering completion signal is sent to the mainboard, the mainboard stops timing to obtain filter element filtering time, the filter element filtering time is compared with the preset filter element filtering time, if the difference value between the filter element filtering time and the preset filter element filtering time is larger than the preset difference value, the mainboard sends filter element replacing information to the display screen, when the water outlet cover is covered, the imaging sensor scans and images the filter element shell, the imaging information is sent to the mainboard, the mainboard compares the imaging information with preset imaging information, and if the damage degree of the comparison result is greater than the damage degree threshold value, the mainboard sends filter element replacement information to the display screen;
the beneficial effects of the above technical scheme are: when the filter efficiency is too slow, the user can know whether to change the filter core through the display screen, and when the filter core seriously warp, the user can change the filter core through the suggestion of display screen, avoids causing bigger loss.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a purifier of replacement filter core is reminded to intelligence, includes shell (1), its characterized in that: a water outlet (11) is formed in the upper surface of the shell (1), a water inlet (12) is formed in the upper surface of the shell (1), and a clamping seat (13) is arranged on the inner bottom wall of the shell (1);
the surface of the water outlet (11) is in threaded connection with a filter element device, and the filter element device is used for filtering and purifying sewage;
and the top side surface of the filter element device is in threaded connection with a sealing device, and the sealing device is used for sealing and storing purified water.
2. The water purification device of claim 1, wherein the filter element is intelligently reminded to replace: the surface of the water inlet (12) is in threaded connection with a water inlet cover (2), and the inner top wall of the water inlet cover (2) is provided with a rubber gasket (21).
3. The water purification device of claim 1, wherein the filter element is intelligently reminded to replace: the filter element device comprises a filter element shell (3), a clamping groove (31) is formed in the bottom surface of the filter element shell (3), the side surface of the filter element shell (3) is in threaded connection with the surface of the water outlet (11), and the clamping seat (13) is clamped on the surface of the clamping groove (31).
4. The water purification device of claim 3, wherein the filter element is intelligently reminded to replace: the filter element is characterized in that the bottom of the filter element shell (3) is provided with a filter hole (4), the bottom surface of the filter element shell (3) is provided with a first filter bin (41), the upper surface of the first filter bin (41) is provided with a second filter bin (42), and the upper surface of the second filter bin (42) is provided with a third filter bin (43).
5. The water purification device of claim 4, wherein the filter element is intelligently reminded to replace: the first storehouse (41) and the second of straining is strained between storehouse (42) and the second and is strained between storehouse (42) and the third storehouse (43) and all be provided with rubber seal (5), the upper surface and the lower surface that storehouse (43) were strained to first storehouse (41), second and the third of straining are all permeable to water.
6. The water purification device of claim 4, wherein the filter element is intelligently reminded to replace: the inside in first straining storehouse (41) is provided with cotton filter core of PP (6), the inside in second straining storehouse (42) is provided with granular activated carbon (61), the inside in third straining storehouse (43) is provided with rearmounted activated carbon (62).
7. The water purification device of claim 5, wherein the filter element is intelligently reminded to replace: the upper surface in storehouse (43) is strained to the third is provided with water storage storehouse (7), storehouse (43) is strained to the third with be provided with between water storage storehouse (7) rubber seal (5), the upper surface and the lower surface in water storage storehouse (7) are symmetrical distribution and have seted up hole (71) of permeating water.
8. The water purification device of claim 3, wherein the filter element is intelligently reminded to replace: the sealing device comprises a sealing cover (8), the inner wall surface of the sealing cover (8) is in threaded connection with the outer wall surface of the filter element shell (3), the outer wall surface of the sealing cover (8) is in threaded connection with a water outlet cover (82), and a water quality detection device is arranged inside the water outlet cover (82).
9. The water purification device of claim 8, wherein the filter element is intelligently reminded to replace: the water quality detection device comprises a water quality detector (9), wherein the water quality detector (9) is arranged on the inner top wall of the water outlet cover (82), a main board (91) is arranged inside the water outlet cover (82), a display screen (92) is arranged on the top surface of the water outlet cover (82), and the display screen (92) and the water quality detector (9) are connected with the main board (91) through wires.
10. The water purification device with intelligent reminding and replacement of filter element as claimed in claim 9, further comprising:
the filter element comprises a first water pressure sensor (101) and a second water pressure sensor (102), wherein the first water pressure sensor (101) is arranged on the inner side of the filter element shell (3), the second water pressure sensor (102) is arranged on one side of the clamping seat (13), and the first water pressure sensor (101) and the second water pressure sensor (102) are both connected with the main board (91);
when the water inlet (12) starts to feed water, the main board (91) acquires a first pressure value of the first water pressure sensor (101) and starts timing, when the second water pressure sensor (102) detects that the pressure value of the outside water pressure of the filter element shell (3) reaches a preset water inlet pressure value, the second water pressure sensor (102) sends a critical signal to the main board (91), the main board (91) acquires a second pressure value of the first water pressure sensor (101) again, when the first water pressure sensor (101) detects that the current water pressure in the filter element shell (3) reaches the preset water pressure value, a filtering completion signal is sent to the main board (91), the main board (91) stops timing to obtain filter element filtering time, the filter element filtering time is compared with the preset filter element filtering time, if the difference value between the filter element filtering time and the preset filter element filtering time is greater than a preset difference value, the main board (91) sends filter element replacement information to the display screen (92);
the imaging sensor (10-1), the imaging sensor (10-1) is arranged inside the water outlet cover (82), and the imaging sensor (10-1) is connected with the main board (91);
when the water outlet cover (82) is covered, the imaging sensor (10-1) scans and images the filter element shell (3) and sends imaging information to the main board (91), the main board (91) compares the imaging information with preset imaging information, and if the damage degree of the comparison result is greater than a damage degree threshold value, the main board (91) sends filter element replacement information to the display screen (92);
the determination step of the damage degree threshold value is as follows:
step 1: acquiring the Poisson's ratio alpha and the elastic modulus beta of the filter element shell (3);
step 2: calculating the normal stress component corresponding to the three axes of the filter element shell (3) in a space rectangular coordinate system in the following way:
wherein, deltaxIs a positive stress component of x-axis in a rectangular spatial coordinate system, deltayIs a positive stress component of y-axis in a space rectangular coordinate system, deltazIs the positive stress component of the z-axis in a space rectangular coordinate system, R is the radius of the filter element shell, pi is the circumferential ratio, KIIs type IStress intensity factor, KIIThe stress intensity factor is II type stress intensity factor, a is the angle of the included angle formed by the position of the water pressure sensor in the filter element shell and the x axis, b is the angle of the included angle formed by the position of the water pressure sensor in the filter element shell and the y axis, and c is the angle of the included angle formed by the position of the water pressure sensor in the filter element shell and the z axis;
and step 3: according to the step 1 and the step 2, calculating the damage degree threshold value of the filter element shell (3), wherein the calculation method comprises the following steps:
wherein d is a preset damage degree threshold value, beta is the elastic modulus of the filter element shell, alpha is the Poisson's ratio of the filter element shell, and deltaxIs a positive stress component of x-axis in a rectangular spatial coordinate system, deltayIs a positive stress component of y-axis in a space rectangular coordinate system, deltazIs the positive stress component of the z-axis in the rectangular space coordinate system.
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