CN103263803A - Effectiveness monitoring device for filter element of water purifier - Google Patents
Effectiveness monitoring device for filter element of water purifier Download PDFInfo
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- CN103263803A CN103263803A CN2012102582050A CN201210258205A CN103263803A CN 103263803 A CN103263803 A CN 103263803A CN 2012102582050 A CN2012102582050 A CN 2012102582050A CN 201210258205 A CN201210258205 A CN 201210258205A CN 103263803 A CN103263803 A CN 103263803A
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Abstract
The invention discloses an effectiveness monitoring device for a filter element of a water purifier. The monitoring device comprises a casing. A water cavity, a transmission mechanism and a counting mechanism are arranged in the casing, an impeller is mounted in the water cavity, the impeller drives the transmission mechanism, and the transmission mechanism further drives the counting mechanism to count. The monitoring device is characterized in that the counting mechanism comprises multiple groups of print wheels, reading numbers on the print wheels are from the maximum to the number close to zero in a reverse manner, then automatically return to the original maximum, and cycles like this. The monitoring device has the advantages that the device is mechanical and accordingly accurate in calculation accordingly, a user can be visually and conveniently reminded to change the filter element when the reading number is close to zero (such as 200L is remained) due to the fact that the reading number is from the maximum to zero, and after the reading number reaches zero, the reading number automatically returns to the maximum, and accordingly the monitoring device is quite convenient.
Description
Technical field
The present invention relates to the water purifier apparatus field, relate to a kind of filter element of water purifier timeliness monitoring device particularly.
Background technology
Water is the indispensable natural resources of human development, is material base human and that all things are depended on for existence.The world today, water resource is not enough and pollute the water source crisis that constitutes has become any country in the main restricting factor of policy, economy and the technical challenge that faces and socio-economic development.Under the situation that water resource lacks day by day, the reality of water resource pollution makes people increase a worry again.Because various complicated factors cause many water bodys seriously to be polluted, and also exist the secondary pollution of water in the water supply process.Therefore, the World Health Organization advocates energetically and uses the terminal water purifier, solves current water pollution.
Filter core long meeting service time of household water filter makes the filter effect variation, and is unhealthful.Therefore, disclose a kind of water purifier among the CN92215080 and added up to work timer, it converts net water flux to the timing accumulative total.Because the flow velocity difference of different time, the water yield converts and has error, and error in time prolongation and increase.
The metering of water meter is very accurate, in theory, a water meter is installed is measured the most accurately.Yet, in fact, because the metered amount of water meter is very big, generally can arrive thousands of tons of, and the filter core of water purifier is generally several tons, therefore, if water meter is installed, it is difficult to play timely reminding effect.In addition, more after the renew cartridge, owing to each error that has, after the replacing several times, whether error accumulation just is difficult to will change according to the reading intuitive judgment.For example, be the filter core of 5000L a service life, if change after 4500, changes behind the next 6000L, just is difficult to next time so judge according to reading again.
Therefore, begin to occur special flowmeter measuring device at water purifier on the market.
Existing water purifier flowmeter measuring device organic tool flowmeter measuring device and Electromagnetic Flow meter etc.Wherein, present mechanical meters measuring device, its principle is the timeliness life-span of simulating filter element of water purifier by the length in energy storage type spring control time, and flow of inlet water what show.It only is a kind of reference embodiment of flow, can't obtain actual net water flux accurately.Can not in time play reminding effect to the filter core of changing purifier.
The operation principle of Electromagnetic Flow meter is based on Faraday's electromagnetic induction law.In electromagnetic flowmeter, the conducting medium in the measuring tube is equivalent to the conducting metal bar in faraday's experiment, and two of two ends solenoids produce the stationary magnetic field up and down.When conducting medium flows through, then can produce induced voltage.The induced voltage that two electrode measurements of pipe interior produce.The Electromagnetic Flow meter in use need make electricity consumption.Pressure by current comes the test water flow to have 10% error, and in a single day has a power failure, and the situation of data skip can occur.For pure water, because the conductance of pure water is low excessively, the drawback of accurate flow can appear effectively recording.Can not in time play reminding effect to renew cartridge more.
Thereby all there is inconvenience in present water purifier flowmeter measuring device.
Summary of the invention
The object of the present invention is to provide a kind of filter element of water purifier timeliness monitoring device, to solve the above-mentioned problems in the prior art.The same accurate measurement with water meter of a filter element of water purifier timeliness monitoring device among the present invention can intuitively be reminded the water inlet filter element life again.
Technical scheme provided by the invention is as follows:
A kind of filter element of water purifier timeliness monitoring device comprises a housing, is provided with one in the housing and crosses water cavity, a transmission mechanism and a counting mechanism, wherein be somebody's turn to do an impeller is housed in the water cavity, this impeller drives this transmission mechanism, and this transmission mechanism drives this counting mechanism again, wherein
Described counting mechanism comprises many group character wheels, the initial reading of described character wheel group is the maximum filtering quantity of filter core, during current stream process water cavity, this impeller drives this transmission mechanism, this transmission mechanism drives this counting mechanism again, the character wheel group of this counting mechanism is namely driven successively, and the character wheel reading by initial maximum filtering quantity from greatly to little minimizing; The character wheel group number-reading reduces to after zero, and as the current process, character wheel is transmitted mechanism and drives, and gets back to original full-scale reading again, so circulation.
Adjust the displayable maximum numerical value that shows of that group character wheel of maximum raise-position by the carry exodontia quantity and spacing that changes on the maximum raise-position character wheel, the character wheel in the kilolitre that is inverted simultaneously position, hectolitre position, decaliter position and the individual raise-position shows numerical value.
Described counter comprises many group character wheels, and the place, axle center of these character wheel groups is passed respectively by same print wheel shaft, and the right side of each character wheel is provided with the exodontia of giving up the throne, and the left side is provided with the carry exodontia; Wherein, the exodontia of the carry of each character wheel is two, forms a carry groove between these two carry exodontias; Top between per two character wheels is provided with a ratchet, and the place, axle center of all ratchets is passed respectively by same ratchet shaft.
Relative position between print wheel shaft and the ratchet shaft maintains static, and transmission mechanism drives first character wheel of right side and rotates; First ratchet of carry exodontia drive by first character wheel left surface after rotation one is enclosed rotates, and then second character wheel rotation of this ratchet drive once, and remaining character wheel by that analogy.
In preferred embodiment of the present invention, described character wheel is provided with the 4-6 group, and through out-of-date, the numeral of every group of character wheel is given up the throne for a short time by past greatly successively at current.
In preferred embodiment of the present invention, described character wheel is provided with 4 groups, from left to right represents kilolitre, hectolitre, decaliter and liter respectively.The group number of character wheel of the present invention is to set according to the maximum filtering quantity of filter core, and filter element life in the market is generally between 3000L-10000L, thereby 4 groups of character wheels are set can satisfy the demand.Longer as filter element life, more groups character wheel also can be set.
In preferred embodiment of the present invention, the maximum filtering volume of filter core is 5000L, and the character wheel numerical value on the character wheel of kilolitre position is made up of the order demonstration numerical value of two groups of 4-0; The kilolitre position exodontia number of giving up the throne is 20, with carry on previous stage character wheel exodontia (2) ratio be 10:1, the 4th kilolitre position character wheel is 5 systems of giving up the throne; Be that kilolitre position character wheel rotates 5 (by 4-0), progressively circulation is given up the throne after the character wheel reading becomes 0000, and last character wheel number moves back 1, repeats to the demonstration numerical value of second group of 4-0, and it is 4999 liters that character wheel is got back to initial reading again, so goes round and begins again.
In preferred embodiment of the present invention, the maximum filtering volume of filter core is 4000L, and the character wheel numerical value on the character wheel of kilolitre position is made up of the order demonstration numerical value of two groups of 3-0, divides equally the elongation printing type face simultaneously, guarantees consistent with back three character wheel location of reading levels.The kilolitre position exodontia number of giving up the throne is 16, with carry on previous stage character wheel exodontia (2) ratio be 8:1, the 4th kilolitre position character wheel is 4 systems of giving up the throne.Be that kilolitre position character wheel rotates 4 (by 3-0), progressively circulation is given up the throne after the character wheel reading becomes 0000, and last character wheel number moves back 1, repeats to the demonstration numerical value of second group of 3-0, and it is 4999 liters that character wheel is got back to initial reading again, so goes round and begins again.
In preferred embodiment of the present invention, the maximum filtering volume of filter core is 6000L: the character wheel numerical value on the character wheel of kilolitre position is made up of the order demonstration numerical value of one group of 5-0, divides equally the elongation printing type face simultaneously, guarantees consistent with back three character wheel location of reading levels.The kilolitre position give up the throne the exodontia number be 12, with carry on previous stage character wheel exodontia (2) ratio be 6:1, be that kilolitre position character wheel rotates 6, progressively circulation is given up the throne after the character wheel reading becomes 0000, last character wheel number moves back 1, repeat to the demonstration numerical value of second group of 4-0, it is 5999 liters that character wheel is got back to initial reading again, so goes round and begins again.
In preferred embodiment of the present invention, the maximum filtering volume of filter core is 8000L: the character wheel numerical value on the character wheel of kilolitre position is made up of the order demonstration numerical value of one group of 7-0, divides equally the elongation printing type face simultaneously, guarantees consistent with back three character wheel location of reading levels.The kilolitre position exodontia number of giving up the throne is 16, with carry on previous stage character wheel exodontia (2) ratio be 8:1, the 4th kilolitre position character wheel is 8 systems of giving up the throne.Be that kilolitre position character wheel rotates 8 (by 7-0), progressively circulation is given up the throne after the character wheel reading becomes 0000, and last character wheel number moves back 1, repeats to the demonstration numerical value of second group of 3-0, and it is 7999 liters that character wheel is got back to initial reading again, so goes round and begins again.
Seen from the above description, filter element of water purifier timeliness monitoring device of the present invention, it has following advantage:
1, is mechanical type, accurate measurement;
2, the present invention arranges the detection table in life-span (but maximum filtration yield) according to different water purification catridges to detect value, the water yield according to the detection table of flowing through, character wheel shows that numerical value successively decreases from large to small successively, informs that with intuitionistic form user's water purification catridge remains effective use amount.Because reading is by maximum number to 0, intuitive and convenient ground reminds the user near (when for example remaining 200L) renew cartridge more at 0 o'clock;
3, behind the reading to 0, if any the current process, the character wheel group number-reading automatically reverts to high scale again, need not operation bidirectional, and is very convenient;
4, because reading circulates, can be repeatedly used, and accurately remind.
Description of drawings
Fig. 1 is the cross-sectional view of filter element of water purifier timeliness monitoring device of the present invention;
Fig. 2 is the structural representation of character wheel group of the present invention;
Fig. 3 is the cutaway view of A-A direction among Fig. 2;
Fig. 4 is the principle schematic of character wheel group.
Among the figure
The 1-panel
2-counter protective cover
The 3-counter
31-character wheel 31-1 exodontia
The 32-ratchet
The 33-ratchet shaft
The 34-print wheel shaft
4-O shape sealing ring
The antimagnetic steel ring of 5-
The 6-pilfer band
7-flow mechanism
The specific embodiment
Referring to Fig. 1, filter element of water purifier timeliness monitoring device of the present invention comprises panel 1, counter protective cover 2, counter 3, sealing ring 4, antimagnetic steel ring 5, pilfer band 6 and flow mechanism.Wherein, this flow mechanism is located at the bottom, and counter protective cover 2 is cylindrical shape, and counter 3 is located at counter protective cover 2 inside, and panel 1 is transparence, is covered on the top of counter protective cover 2.
The basic functional principle of monitoring device of the present invention is: current from water inlet pipe 71 enter, outlet pipe 72 flows out.Cross and be provided with runner 74 in the water cavity 73, current drive runner 74 rotations, and runner 74 drives a transmission mechanism (this part is not shown in the figures for prior art, for example, can adopt the transmission mechanism in the conventional water meter) again, and this transmission mechanism drives counter 3 runnings again.
Referring to Fig. 2 to Fig. 4, this counter comprises many group character wheels 31, and the place, axle center of these character wheel groups is passed respectively by same print wheel shaft 34, and wherein, character wheel from right to left represents liter successively, decaliter, hectolitre, kilolitre etc.Wherein, the right side of each character wheel 31 is provided with the exodontia 31-1 that gives up the throne, and the left side is provided with carry exodontia 31-2.Wherein, the carry of each character wheel 31 exodontia 31-2 is two, forms a carry groove 31-3 between these two carry exodontia 31-2; And in the exodontia of giving up the throne, the changing on the primary character wheel 31 in the left side, the exodontia of giving up the throne of all the other character wheels all is 20.Top between per two character wheels 31 is provided with a ratchet 32, and the place, axle center of all ratchets 32 is passed respectively by same ratchet shaft 33.Hook tooth 32-1 on the ratchet 32 just with carry or the pitch match between having tooth pulled out of giving up the throne, make the rotation of ratchet can drive the rotation of exodontia.
Wherein, relative position between print wheel shaft 34 and the ratchet shaft 33 maintains static, it is the raise-position character wheel that transmission mechanism drives right side first character wheel 31() rotate, rotate the carry exodontia 31-2 of a circle back by left surface and drive first ratchet 32 and rotate, and then this ratchet 32 drives second character wheel (decaliter position) and rotates once.Second character wheel rotates after the circle, drives second ratchet again and rotates.By that analogy.
The common life-span of filter core of family expenses water purification water filter is between the 5000L-10000L, according to the different life-spans that the user uses water purification catridge, is arranged at the demonstration numerical value of its maximum life equivalence, to remind user's renew cartridge more on time, guarantees the use effect of filter core.And the character wheel reading constantly circulates from the maximum to the least count, need not additionally to arrange.
Operation principle is, adjust the displayable maximum numerical value that shows in kilolitre position by the carry exodontia quantity and spacing that changes on the character wheel of kilolitre position, character wheel in the kilolitre that is inverted simultaneously position, hectolitre position, decaliter position and the individual raise-position shows numerical value, can make the user directly observe the residual life of filter core, and in time change.As follows in detail:
5000L: the signal (4999L) of giving up the throne of kilolitre wheel character wheel, the character wheel numerical value on the character wheel of kilolitre position is made up of the order demonstration numerical value of two groups of 4-0.The kilolitre position exodontia number of giving up the throne is 20, with carry exodontia ratio on the previous stage character wheel be 10:1, kilolitre position character wheel is 5 systems of giving up the throne.Be that kilolitre position character wheel rotates 5 (by 4-0), progressively circulation is given up the throne after the character wheel reading becomes 0000, and last character wheel number moves back 1, repeats to the demonstration numerical value of second group of 4-0, and it is 4999 liters that character wheel is got back to initial reading again, so goes round and begins again.Specific as follows:
1, totally 4 work character wheels maximum show that numerical value is 4999 liters, show to be followed successively by kilolitre, hectolitre, decaliter and liter from left to right.
2, character wheel work is progressively given up the throne after the character wheel reading becomes 0000 liter for 4999 liters from maximum, is shown as 4999 liters of maximums again, and the character wheel reading begins to circulate again.
3, the carry principle is that 4 character wheels have 3 ratchets of giving up the throne, and when the rightmost character wheel rotated a circle position, the ratchet of giving up the throne drove second character wheel rotation and gives up the throne, and ratchet is given up the throne successively according to the rotation of front character wheel from right to left.Wherein hectolitre, decaliter, to rise character wheel be 10 systems of giving up the throne, the kilolitre character wheel is 5 systems of giving up the throne.
4, the character wheel numerical value on the while kilolitre character wheel is the order demonstration numerical value composition of two groups of 4-0.Numerical value on the character wheel of hectolitre, decaliter, liter is 0-9, but the digital direction on the character wheel changes, and is put upside down by original 0-9 to be 9-0, the initial reading of character wheel is 4999 liters like this, after the water yield is covered 4999 liters, 4 character wheels will all can be shown as zero, so go round and begin again.
4000L: the signal (3999L) of giving up the throne of kilolitre character wheel, the character wheel numerical value on the character wheel of kilolitre position shows that by the order of two groups of 3-0 numerical value forms, and divides equally the elongation printing type face simultaneously, guarantees consistent with back three character wheel location of reading levels.The kilolitre position exodontia number of giving up the throne is 16, with carry exodontia ratio on the previous stage character wheel be 8:1, the 4th kilolitre position character wheel is 4 systems of giving up the throne.Be that kilolitre position character wheel rotates 4 (by 3-0), progressively circulation is given up the throne after the character wheel reading becomes 0000, and last character wheel number moves back 1, repeats to the demonstration numerical value of second group of 3-0, and it is 4999 liters that character wheel is got back to initial reading again, so goes round and begins again.
Other following character wheel position of 5000L and 5000L can be by that analogy.
6000L: the signal (5999L) of giving up the throne of kilolitre wheel character wheel, the character wheel numerical value on the character wheel of kilolitre position is made up of the order demonstration numerical value of one group of 5-0, divides equally the elongation printing type face simultaneously, guarantees consistent with back three character wheel location of reading levels.The kilolitre position give up the throne the exodontia number be 12, with the carry exodontia ratio on the previous stage character wheel be 6:1, be that kilolitre position character wheel rotates 6 (by 5-0), progressively circulation is given up the throne after the character wheel reading becomes 0000, last character wheel number moves back 1, repeat to the demonstration numerical value of second group of 4-0, it is 5999 liters that character wheel is got back to initial reading again, so goes round and begins again.
8000L: the signal (7999L) of giving up the throne of kilolitre character wheel, the character wheel numerical value on the character wheel of kilolitre position shows that by the order of one group of 7-0 numerical value forms, and divides equally the elongation printing type face simultaneously, guarantees consistent with back three character wheel location of reading levels.The kilolitre position exodontia number of giving up the throne is 16, with carry exodontia ratio on the previous stage character wheel be 8:1, the 4th kilolitre position character wheel is 8 systems of giving up the throne.Be that kilolitre position character wheel rotates 8 (by 7-0), progressively circulation is given up the throne after the character wheel reading becomes 0000, and last character wheel number moves back 1, repeats to the demonstration numerical value of second group of 7-0, and it is 7999 liters that character wheel is got back to initial reading again, so goes round and begins again.
Other above character wheel position of 5000L can be by that analogy.
Increase give up the throne ratchet and the character wheel of one ten thousand liters (L) in kilolitre (L) left side, in order to set the maximum in water purification catridge life-span, all the other operation principles are with embodiment 1 and 2.
Above-mentioned only is specific embodiments of the invention, but design concept of the present invention is not limited thereto, and allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection domain of the present invention.
Claims (10)
1. a filter element of water purifier timeliness monitoring device comprises a housing, is provided with one in the housing and crosses water cavity, a transmission mechanism and a counting mechanism, wherein be somebody's turn to do an impeller was housed in the water cavity, this impeller drives this transmission mechanism, and this transmission mechanism drives this counting mechanism again, it is characterized in that:
Described counting mechanism comprises many group character wheels, the initial reading of described character wheel group is the maximum filtering quantity of filter core, when current are flowed through water cavity, this impeller drives this transmission mechanism, this transmission mechanism drives this counting mechanism again, the character wheel group of this counting mechanism is namely driven successively, and the character wheel reading by initial maximum filtering quantity from greatly to little minimizing; The character wheel group number-reading reduces to after zero, and character wheel is transmitted mechanism and drives, and gets back to original full-scale reading automatically, so circulation.
2. a kind of filter element of water purifier timeliness monitoring device as claimed in claim 1, it is characterized in that: adjust the displayable maximum numerical value that shows of that group character wheel of maximum raise-position by the carry exodontia quantity and spacing that changes on the maximum raise-position character wheel, the character wheel in the kilolitre that is inverted simultaneously position, hectolitre position, decaliter position and the individual raise-position shows numerical value.
3. a kind of filter element of water purifier timeliness monitoring device as claimed in claim 1 is characterized in that: described character wheel is provided with the 4-6 group, at current through out-of-date, the numeral of every group of character wheel successively by big toward giving up the throne for a short time.
4. a kind of filter element of water purifier timeliness monitoring device as claimed in claim 2, it is characterized in that: described character wheel group is provided with 4 groups, and from left to right every group of character wheel represents kilolitre, hectolitre, decaliter and liter respectively.
5. a kind of filter element of water purifier timeliness monitoring device as claimed in claim 1, it is characterized in that: described counter comprises many group character wheels, the place, axle center of these character wheel groups is passed respectively by same print wheel shaft, and the right side of each character wheel is provided with the exodontia of giving up the throne, and the left side is provided with the carry exodontia; Wherein, the exodontia of the carry of each character wheel is two, forms a carry groove between these two carry exodontias; Top between per two character wheels is provided with a ratchet, and the place, axle center of all ratchets is passed respectively by same ratchet shaft.
6. a kind of filter element of water purifier timeliness monitoring device as claimed in claim 5, it is characterized in that: the relative position between print wheel shaft and the ratchet shaft maintains static, and transmission mechanism drives first character wheel of right side and rotates; First ratchet of carry exodontia drive by first character wheel left surface after rotation one is enclosed rotates, and then second character wheel rotation of this ratchet drive once, and remaining character wheel by that analogy.
7. a kind of filter element of water purifier timeliness monitoring device as claimed in claim 1, it is characterized in that: the maximum filtering volume of filter core is 5000L, the character wheel numerical value on the character wheel of kilolitre position shows that by the order of two groups of 4-0 numerical value forms; The kilolitre position exodontia number of giving up the throne is 20, with ratio on the previous stage character wheel be 10:1, the 4th kilolitre position character wheel is 5 systems of giving up the throne; Be that kilolitre position character wheel rotates 5, progressively circulation is given up the throne after the character wheel reading becomes 0000, and last character wheel number moves back 1, repeats to the demonstration numerical value of second group of 4-0, and it is 4999 liters that character wheel is got back to initial reading again, so goes round and begins again.
8. a kind of filter element of water purifier timeliness monitoring device as claimed in claim 1, it is characterized in that: the maximum filtering volume of filter core is 4000L, character wheel numerical value on the character wheel of kilolitre position is made up of the order demonstration numerical value of two groups of 3-0, divide equally the elongation printing type face simultaneously, guarantee consistent with back three character wheel location of reading levels; The kilolitre position give up the throne the exodontia number be 16, with the ratio on the previous stage character wheel be 8:1, the 4th kilolitre position character wheel is 4 systems of giving up the throne, be that kilolitre position character wheel rotates 4, progressively circulation is given up the throne after the character wheel reading becomes 0000, and last character wheel number moves back 1, repeats to the demonstration numerical value of second group of 3-0, it is 4999 liters that character wheel is got back to initial reading again, so goes round and begins again.
9. a kind of filter element of water purifier timeliness monitoring device as claimed in claim 1, it is characterized in that: the maximum filtering volume of filter core is 6000L: the character wheel numerical value on the character wheel of kilolitre position is made up of the order demonstration numerical value of one group of 5-0, divide equally the elongation printing type face simultaneously, guarantee consistent with back three character wheel location of reading levels; The kilolitre position give up the throne the exodontia number be 12, with the carry exodontia ratio on the previous stage character wheel be 6:1, be that kilolitre position character wheel rotates 6, progressively circulation is given up the throne after the character wheel reading becomes 0000, last character wheel number moves back 1, repeat to the demonstration numerical value of second group of 5-0, it is 5999 liters that character wheel is got back to initial reading again, so goes round and begins again.
10. a kind of filter element of water purifier timeliness monitoring device as claimed in claim 1, it is characterized in that: the maximum filtering volume of filter core is 8000L: the character wheel numerical value on the character wheel of kilolitre position is made up of the order demonstration numerical value of one group of 7-0, divide equally the elongation printing type face simultaneously, guarantee consistent with back three character wheel location of reading levels; The kilolitre position give up the throne the exodontia number be 16, with the ratio on the previous stage character wheel be 8:1, the 4th kilolitre position character wheel is 8 systems of giving up the throne, be that kilolitre position character wheel rotates 8, progressively circulation is given up the throne after the character wheel reading becomes 0000, and last character wheel number moves back 1, repeats to the demonstration numerical value of second group of 7-0, it is 7999 liters that character wheel is got back to initial reading again, so goes round and begins again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012102582050A CN103263803A (en) | 2012-07-24 | 2012-07-24 | Effectiveness monitoring device for filter element of water purifier |
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| CN2012102582050A CN103263803A (en) | 2012-07-24 | 2012-07-24 | Effectiveness monitoring device for filter element of water purifier |
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| CN103263803A true CN103263803A (en) | 2013-08-28 |
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| CN2012102582050A Pending CN103263803A (en) | 2012-07-24 | 2012-07-24 | Effectiveness monitoring device for filter element of water purifier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106419057A (en) * | 2016-11-23 | 2017-02-22 | 哈尔滨理工大学 | Toothbrush placing device capable of reminding user to change toothbrush |
| CN107998737A (en) * | 2017-12-08 | 2018-05-08 | 海南立昇净水科技实业有限公司 | A kind of manual water purifier and its filter element life monitor |
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| CN2246794Y (en) * | 1995-07-04 | 1997-02-05 | 姜兴龙 | Small water meter with plastic shell |
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| CN202762200U (en) * | 2012-07-24 | 2013-03-06 | 蔡思伟 | Effectiveness monitoring device for filter element of water purifier |
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| CN2085056U (en) * | 1991-04-26 | 1991-09-18 | 上海海鹰矿泉水设备制造公司 | Water flow indicator for water treating apparatus |
| CN2246794Y (en) * | 1995-07-04 | 1997-02-05 | 姜兴龙 | Small water meter with plastic shell |
| CN2349548Y (en) * | 1998-09-21 | 1999-11-17 | 李鸣岐 | Ratchet digital direct-read type watermeter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106419057A (en) * | 2016-11-23 | 2017-02-22 | 哈尔滨理工大学 | Toothbrush placing device capable of reminding user to change toothbrush |
| CN106419057B (en) * | 2016-11-23 | 2018-07-13 | 哈尔滨理工大学 | It is a kind of can prompting changing toothbrush toothbrush apparatus for placing |
| CN107998737A (en) * | 2017-12-08 | 2018-05-08 | 海南立昇净水科技实业有限公司 | A kind of manual water purifier and its filter element life monitor |
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Application publication date: 20130828 |