CN103961927A - Detection apparatus and detection method for water purifier filtration core service life - Google Patents
Detection apparatus and detection method for water purifier filtration core service life Download PDFInfo
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- CN103961927A CN103961927A CN201310033094.8A CN201310033094A CN103961927A CN 103961927 A CN103961927 A CN 103961927A CN 201310033094 A CN201310033094 A CN 201310033094A CN 103961927 A CN103961927 A CN 103961927A
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Abstract
The present invention discloses a water purifier filtration core service life detection apparatus, which comprises: N filtration cores sequentially connected in a series, wherein N is an integer of greater than or equal to1; valves, wherein the inlet of the valve is respectively connected with the first end of the N filtration cores and the second end of the Nth filtration core; a detection module connected with the outlet of the valves and provided for detecting pressures of the first end and the second end of each filtration core so as to produce corresponding pressure detection signals; and a control module for controlling the valve so as to select the corresponding filtration core, acquiring the pressure difference value of the corresponding both filtration core ends according to the pressure detection signal, comparing the pressure difference values of both ends of each filtration core with a corresponding preset threshold, and judging whether the failure of each filtration core exists according to the comparing result. The water purifier filtration core service life detection apparatus has characteristics of high detection precision, cost saving, simplified control complexity, and improved reliability. The present invention further discloses a detection method of the water purifier filtration core service life detection apparatus.
Description
Technical field
The present invention relates to water purifier technical field, particularly the detection method of the checkout gear of a kind of checkout gear of water purifier filter element life and a kind of water purifier filter element life.
Background technology
At present, generally utilize filter to coordinate filter core to remove chlorine, heavy metal bacterium, virus, algae and the solid suspension in former water, make the limpid cleaning of water after treatment, aseptic, can provide drinking water healthy, standard to people.Household water purification equipment generally forms by being set with the filter that possesses difference in functionality filter core more.But after the long-term use of filter core, understand because of the obstruction of trapped substance and the procreation of microorganism etc., and cause filter core to lose efficacy, filter element life expires, prior art can only combine to judge whether filter element life expires according to working time, water flow or its conventionally, can not accomplish accurately to detect filter element life.In addition, because each department water quality difference is different with user's water consumption, be to ensure people's safe drinking water, time or the flow set of changing each filter core are relatively conservative, user all can filter core is real lost efficacy before renew cartridge more, thereby increase use cost, caused waste.
In prior art, a kind of state of filter element display system for accurate filter is made up of single-chip microcomputer, display, analog to digital conversion circuit, between two screen pipes of arbitrary neighborhood, be provided with an intermediate pressure sensor, the starting point of screen pipe and terminal arrange respectively pressure sensor, pressure sensor is connected with signal amplification circuit by wire respectively, signal amplification circuit is connected with analog to digital conversion circuit, and analog to digital conversion circuit is connected with single-chip microcomputer, and display is connected with single-chip microcomputer.Wherein, pressure sensor detect respectively in real time from water inlet pipe to outlet pipe between hydraulic pressure in each section of screen pipe, and pass the signal along to single-chip microcomputer, single-chip microcomputer calculates the differential water pressures of each section of screen pipe, when certain section of differential water pressures reaches setting value, show that in this section of filter core, solid suspension stops at most, arrive the replacing opportunity of filter core, single-chip microcomputer is to display output services signal, and display sends cue.
But the shortcoming that this state of filter element display system that is used for accurate filter exists is: 1, adopt multiple pressure sensors, cost is higher; 2, adopt multiple pressure sensors, the systematic error between multiple sensors affects measurement result, and certainty of measurement is poor; 3, the pressure difference value difference at different pressure of supply water lower filters two ends, filter element life detects and there will be error.
Summary of the invention
Object of the present invention is intended at least solve one of above-mentioned technological deficiency.
For this reason, the object of the invention is to propose a kind of checkout gear and detection method thereof of water purifier filter element life, got rid of the interference of error between multiple sensors, accuracy of detection is higher, provide cost savings, and simplified the complexity of controlling, improved reliability.
For achieving the above object, the checkout gear of a kind of water purifier filter element life that the embodiment of one aspect of the present invention proposes, comprising: N filter core, and a described N filter core is connected in series successively, and wherein, N is more than or equal to 1 integer; Valve, the entrance of described valve is connected with the first end of a described N filter core and the second end of N filter core respectively; Detection module, described detection module is connected with the outlet of described valve, for detection of the first end of each described filter core and the pressure of the second end to generate corresponding pressure detecting signal; And control module, described control module is connected with described detection module with described valve respectively, be used for controlling described valve to select corresponding described filter core, and according to the pressure difference value at described pressure detecting signal acquisition corresponding described filter core two ends, the pressure difference value at each described filter core two ends is compared with corresponding predetermined threshold value, and judge according to comparative result whether described each described filter core lost efficacy.
According to the checkout gear of the water purifier filter element life of the embodiment of the present invention, adopt a detection module and valve just can realize the pressure detecting of each filter core water inlet, delivery port, get rid of the interference of error between multiple sensors, improved accuracy of detection, provided cost savings.And, can be under different pressure of supply water conditions, revise the poor predetermined threshold value of each filter core failure pressure.
In one embodiment of the invention, described valve comprises N+1 magnetic valve, each described magnetic valve has an outlet and an entrance, the entrance of i magnetic valve in a described N+1 magnetic valve is connected with the first end of i filter core in a described N filter core, the entrance of i+1 magnetic valve is connected with the second end of described i filter core, N+1 outlet of a described N+1 magnetic valve is connected with described detection module respectively, and wherein, i is more than or equal to 1 and be less than or equal to the integer of N.
Preferably, in another embodiment of the present invention, described valve is single magnetic valve, described magnetic valve has N+1 entrance and the outlet being connected with described detection module, i entrance in a described N+1 entrance is connected with the first end of i filter core in a described N filter core, i+1 entrance is connected with the second end of described i filter core, and wherein, i is more than or equal to 1 and be less than or equal to the integer of N.
In yet another embodiment of the present invention, described valve is single magnetic valve, described magnetic valve has N+1 entrance and N+1 the outlet being connected with described detection module respectively, i entrance in a described N+1 entrance is connected with the first end of i filter core in a described N filter core, i+1 entrance is connected with the second end of described i filter core, wherein, i is more than or equal to 1 and be less than or equal to the integer of N.
Employing has the single magnetic valve of multiple entrances and one or more outlets, has reduced the quantity of magnetic valve, has reduced cost.
In one embodiment of the invention, described detection module is pressure sensor.
And described pressure sensor comprises pressure sensitive unit and processing unit, described pressure sensor is for exporting the pressure A/D signal at each described filter core two ends.
By the direct output pressure A/D of pressure sensor signal, simplify the complexity of controlling, improve reliability.
In one embodiment of the invention, the checkout gear of described water purifier filter element life also comprises: display module, described display module is connected with described control module, points out user when judging that in described control module described filter core lost efficacy, facilitates user to change in time corresponding filter core.
For achieving the above object, the present invention embodiment has on the other hand proposed a kind of detection method of checkout gear of water purifier filter element life, comprise the steps: in described water purification mechanism water process the valve path conducting in succession that the first end of described control module control and filter core to be detected and the second end are corresponding; Described checkout gear detects the pressure at described filter core two ends to generate pressure detecting signal; Obtain the pressure difference value at described filter core two ends according to described pressure detecting signal, and the pressure difference value at described filter core two ends is compared with corresponding predetermined threshold value; If the pressure difference value at described filter core two ends is greater than described predetermined threshold value, judge that described filter core lost efficacy.
According to the detection method of the checkout gear of the water purifier filter element life of the embodiment of the present invention, can realize each filter core is detected respectively, and predetermined threshold value can be revised according to the kind of filter core, different pressure of supply water conditions, detection method is simple and reliable, and improved accuracy of detection, provide cost savings.
In one embodiment of the invention, the detection method of described water purifier filter element life, also comprises: in the time judging that described filter core lost efficacy, send prompting to user, facilitate user to change in time the filter core of inefficacy.
The aspect that the present invention is additional and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Brief description of the drawings
The present invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments obviously and easily and understand, wherein:
Fig. 1 is the structural representation of the checkout gear of water purifier filter element life according to an embodiment of the invention;
Fig. 2 is the structural representation of the checkout gear of the water purifier filter element life of a further embodiment according to the present invention;
Fig. 3 is the structural representation of the checkout gear of the water purifier filter element life of another preferred embodiment according to the present invention;
Fig. 4 A is the front view of No. 6 two-way valves of an example according to the present invention;
Fig. 4 B is the cutaway view of this No. 6 two-way valve along B-B direction;
Fig. 4 C is the cutaway view of this No. 6 two-way valve along A-A direction;
Fig. 5 is the structural representation of the checkout gear of the water purifier filter element life of another preferred embodiment according to the present invention;
Fig. 6 A is the front view of No. 6 two-way valves of another example according to the present invention;
Fig. 6 B is the cutaway view of this No. 6 two-way valve along B-B direction;
Fig. 6 C is the cutaway view of this No. 6 two-way valve along A-A direction; And
Fig. 7 is the flow chart of the detection method of the checkout gear of water purifier filter element life in accordance with another embodiment of the present invention.
Reference numeral:
N filter core 10, valve 20, detection module 30 and control module 40, display module 50; Body 1, spool 2,36 entrances of sealing ring 5,6,7,8,9,10 and 4,6 outlets 11,12,13,14,15,16 of an outlet.
Detailed description of the invention
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
Disclosing below provides many different embodiment or example to be used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts to specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and object clearly, itself do not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique the invention provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, First Characteristic described below Second Characteristic it " on " structure can comprise that the first and second Characteristics creations are the direct embodiment of contact, also can comprise the embodiment of other Characteristics creation between the first and second features, such the first and second features may not be direct contacts.
In description of the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be to be directly connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
With reference to description and accompanying drawing below, these and other aspects of embodiments of the invention will be known.In these descriptions and accompanying drawing, specifically disclose some specific implementations in embodiments of the invention, represent some modes of the principle of implementing embodiments of the invention, but should be appreciated that the scope of embodiments of the invention is not limited.On the contrary, embodiments of the invention comprise all changes, amendment and the equivalent within the scope of spirit and the intension that falls into additional claims.
Checkout gear and the detection method thereof of the water purifier filter element life proposing according to the embodiment of the present invention are described with reference to the accompanying drawings.
Fig. 1 is the structural representation of the checkout gear of water purifier filter element life according to an embodiment of the invention.As shown in Figure 1, the checkout gear of this water purifier filter element life comprises N filter core 10, valve 20, detection module 30 and control module 40.
Wherein, N filter core 10 is connected in series successively, and N is more than or equal to 1 integer.That is to say, in one embodiment of the invention, the filter core that possesses difference in functionality can be connected in series to composition filtering module successively, carry out filtration treatment so that clean, aseptic, standard compliant drinking water to be provided for the chlorine to former water, heavy metal bacterium, virus, algae and solid suspension.
As shown in Figure 1, the entrance of valve 20 is connected with the first end of N filter core 10 and the second end of N filter core respectively, detection module 30 is connected with the outlet of valve 20, for detection of the first end of each filter core 10 and the pressure of the second end to generate corresponding pressure detecting signal.
In the present embodiment, control module 40 is connected with detection module 30 with valve 20 respectively, be used for the path of control valve 20 to select corresponding filter core, and obtain the pressure difference value at corresponding filter core two ends according to pressure detecting signal, the pressure difference value at each filter core two ends is compared with corresponding predetermined threshold value, and judge according to comparative result whether each filter core lost efficacy.Wherein, the first end water inlet end of filter core and the pressure difference value of the second end water side when predetermined threshold value is the inefficacy of every kind of filter core under different source pressure/filter core water inlet end pressure, they be to determine according to the kind of filter core and source pressure/filter core water inlet end pressure, and predetermined threshold value corresponding to each filter core can be different.
Further, in one embodiment of the invention, as shown in Figure 2, valve 20 comprises N+1 magnetic valve 21, and each magnetic valve 21 has an outlet and an entrance, and the entrance of i magnetic valve in N+1 magnetic valve 21 is connected with the first end of i filter core in N filter core, the entrance of i+1 magnetic valve 21 is connected with the second end of i filter core, the N+1 of N+1 magnetic valve 21 outlet is connected with detection module 30 respectively, and wherein, i is more than or equal to 1 and be less than or equal to the integer of N.
In the present embodiment, control module 40 can patrol and examine for pressure/storage/computing module, for controlling the keying of each magnetic valve 21, make detection module can detect/detect successively the pressure of each filter core water inlet end or water side, and calculate the pressure difference value of each filter core water inlet end and water side, then compare with corresponding predetermined threshold value, judge the service life of each filter core.
In one embodiment of the invention, detection module 30 can be pressure sensor.That is to say, the water inlet end of each filter core 10 is connected with pressure sensor by magnetic valve respectively with water side, and magnetic valve is for controlling being communicated with of filter core water inlet end or water side and pressure sensor, and the quantity of magnetic valve than the quantity of filter core many one.
Wherein, pressure sensor is silicon high-precision pressure sensor, and its quantity is one, and pressure sensor comprises pressure sensitive unit and processing unit, and pressure sensor is for exporting the pressure A/D signal at each filter core two ends.I.e. speech, pressure sensor is by superminiature capacitor formula MEMS(Micro-Electro-Mechanical Systems, MEMS) pressure sensitive unit and high accuracy number processing and Calibration Circuit (DSP) composition, to guarantee the high accuracy output of pressure detecting signal.
In an embodiment of the present invention, directly export the pressure A/D signal at each filter core two ends by pressure sensor, simplify the complexity of control module 40, improve reliability, simultaneously can be under different pressure of supply water conditions, the judgment basis poor according to filter core failure pressure can carry out the correction that may need to predetermined threshold value corresponding to each filter core.
In one embodiment of the invention, as shown in Figure 2, the checkout gear of above-mentioned water purifier filter element life also comprises display module 50, display module 50 is connected with control module 40, be used for pointing out user in the time that control module 40 judges that filter core lost efficacy, reminding user is changed corresponding filter core in time, for the replacing that judges filter core provides intuitively information accurately opportunity, has brought convenience to user.Wherein, display module 50 can be sound/light display module, and in the time that control module 40 judges that filter core lost efficacy, indicator lamp glimmers or sounds a buzzer.
Preferably, in another embodiment of the present invention, as shown in Figure 3, valve 20 is single magnetic valve 22, magnetic valve 22 has N+1 entrance and the outlet being connected with detection module 30, and i entrance in N+1 entrance is connected with the first end of i filter core in N filter core 10, and i+1 entrance is connected with the second end of i filter core, wherein, i is more than or equal to 1 and be less than or equal to the integer of N.
Particularly, in an example of the present invention, as shown in Fig. 4 A-4C, above-mentioned single magnetic valve 22 is No. 6 two-way valves, this No. 6 two-way valve critical piece is made up of spool 2 and the sealing ring 3 of body 1 and rotatable action, and there is 6 entrances 5,6,7,8,9,10 and one outlet 4, outlet 4 pressure sensor of ining succession.Wherein, be understandable that, the way of valve is that the way of the pressure that detects is as required determined.The mode that the rotation of spool can adopt electromagnet and ratchet structure to combine realizes the step-by-step movement rotation of spool, or directly adopts stepper motor to drive, thereby reaches the object of the pressure that detects respectively individual channel.For the ease of the path of district office test, can one or several signaling switch be set in the position of one or several path, when Spool rotating can provide the position signalling of spool during to this position, be convenient to control.
For No. 6 two-way valves, as shown in Fig. 4 A and 4C, on spool, outlet 4 places that corresponding pressure transmits public passage are annular grooves, this cannelure is by entrance 5,6,7,8,9,10 connections with each corresponding pressure sense channel respectively in the time of Spool rotating of another axial groove, form respectively 6 paths of 5-4,6-4,7-4,8-4,9-4,10-4, pressure sensor can be exported the pressure A/D signal at corresponding filter core two ends.
In yet another embodiment of the present invention, as shown in Figure 5, valve 20 is single magnetic valve 23, magnetic valve 23 has N+1 entrance and N+1 the outlet being connected with detection module 30 respectively, i entrance in N+1 entrance is connected with the first end of i filter core in N filter core 10, i+1 entrance is connected with the second end of i filter core, and wherein, i is more than or equal to 1 and be less than or equal to the integer of N.
Particularly, in another example of the present invention, as shown in Fig. 6 A-6C, above-mentioned single magnetic valve 23 can be No. 6 two-way valves, this No. 6 two-way valve critical piece is made up of spool 2 and the sealing ring 3 of body 1 and rotatable action, and having 11,12,13,14,15,16,6 outlets 11,12,13,14,15,16 of 5,6,7,8,9,10 and 6 outlets of 6 entrances is all connected with pressure sensor.Similarly, the mode that the rotation of spool can adopt electromagnet and ratchet structure to combine realizes the step-by-step movement rotation of spool, or directly adopts stepper motor to drive, thereby reaches the object of the pressure that detects respectively individual channel.For the ease of the path of district office test, can one or several signaling switch be set in the position of one or several path, when Spool rotating can provide the position signalling of spool during to this position, be convenient to control.
As shown in Fig. 6 A and Fig. 6 C, by the corresponding pressure sense channel 5-11 respectively when the Spool rotating of axial groove on spool, 6-12,7-13,8-14,9-15 and 10-16, setting pressure sensor after then one group of sense channel (5 to 10 or 11 to 16) being merged, pressure sensor can be exported the pressure A/D signal at corresponding filter core two ends.
Adopt multichannel two three-way electromagnetic valves to replace multiple two three-way electromagnetic valves, reduced the quantity of two three-way electromagnetic valves, reduced cost.
According to the checkout gear of the water purifier filter element life of the embodiment of the present invention, adopt for example pressure sensor of a detection module 30 and multiple magnetic valve or multipath electrovalve just can realize the pressure detecting of each filter core water inlet, delivery port, get rid of the interference of error between multiple sensors, improve accuracy of detection, provided cost savings.And, can be under different pressure of supply water conditions, revise the poor predetermined threshold value of each filter core failure pressure.In addition, directly export the pressure A/D signal at each filter core two ends by pressure sensor, simplified the complexity of control module 40, improved reliability.
Fig. 7 is the flow chart of the detection method of the checkout gear of water purifier filter element life in accordance with another embodiment of the present invention, and wherein the checkout gear of water purifier filter element life is the checkout gear of the water purifier filter element life that proposes of above-described embodiment.As shown in Figure 7, the detection method of the checkout gear of this water purifier filter element life comprises the steps:
S101, in water purification mechanism water process, the valve path conducting in succession that the first end of control module control and filter core to be detected and the second end are corresponding.
Wherein, valve can be multiple two three-way electromagnetic valves or multichannel two three-way electromagnetic valves.
S102, checkout gear detects the pressure at these filter core two ends to generate pressure detecting signal.
Wherein, this pressure detecting signal is pressure A/D signal.
Directly export the pressure A/D signal at filter core two ends by detection module, simplified the complexity of control module 40, improved reliability.
S103, obtains the pressure difference value at these filter core two ends, and the pressure difference value at these filter core two ends is compared with corresponding predetermined threshold value according to pressure detecting signal.Wherein, the pressure difference value of filter core water inlet end and water side when predetermined threshold value is the inefficacy of every kind of filter core under different source pressure/filter core water inlet end pressure, they be to determine according to the kind of filter core and source pressure/filter core water inlet end pressure, and predetermined threshold value corresponding to each filter core can be different.
S104, if the pressure difference value at these filter core two ends is greater than predetermined threshold value, judges that this filter core lost efficacy.
Repeat above-mentioned step, can realize the each filter core in the checkout gear of water purifier filter element life is judged.
And, in the time judging that corresponding filter core lost efficacy, send prompting to user.I.e. speech, judges that in control module corresponding filter core sent information by display module to user while inefficacy, and reminding user is changed corresponding filter core in time, for the replacing that judges filter core provides intuitively information accurately opportunity, has brought convenience to user.Wherein, display module can be sound/light display module, and in the time that control module judges that filter core lost efficacy, indicator lamp glimmers or sounds a buzzer.
According to the detection method of the checkout gear of the water purifier filter element life of the embodiment of the present invention, can realize each filter core is detected respectively, and predetermined threshold value can be revised according to the kind of filter core, different pressure of supply water conditions, detection method is simple and reliable, and improved accuracy of detection, provide cost savings.
Any process of otherwise describing in flow chart or at this or method are described and can be understood to, represent to comprise that one or more is for realizing module, fragment or the part of code of executable instruction of step of specific logical function or process, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can be not according to order shown or that discuss, comprise according to related function by the mode of basic while or by contrary order, carry out function, this should be understood by embodiments of the invention person of ordinary skill in the field.
The logic and/or the step that in flow chart, represent or otherwise describe at this, for example, can be considered to the sequencing list of the executable instruction for realizing logic function, may be embodied in any computer-readable medium, use for instruction execution system, device or equipment (as computer based system, comprise that the system of processor or other can and carry out the system of instruction from instruction execution system, device or equipment instruction fetch), or use in conjunction with these instruction execution systems, device or equipment.With regard to this description, " computer-readable medium " can be anyly can comprise, device that storage, communication, propagation or transmission procedure use for instruction execution system, device or equipment or in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wirings, portable computer diskette box (magnetic device), random-access memory (ram), read-only storage (ROM), the erasable read-only storage (EPROM or flash memory) of editing, fiber device, and portable optic disk read-only storage (CDROM).In addition, computer-readable medium can be even paper or other the suitable medium that can print described program thereon, because can be for example by paper or other media be carried out to optical scanner, then edit, decipher or process in electronics mode and obtain described program with other suitable methods if desired, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple steps or method can realize with being stored in software or the firmware carried out in memory and by suitable instruction execution system.For example, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: there is the discrete logic for data-signal being realized to the logic gates of logic function, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is can carry out the hardware that instruction is relevant by program to complete, described program can be stored in a kind of computer-readable recording medium, this program, in the time carrying out, comprises step of embodiment of the method one or a combination set of.
In addition, the each functional unit in each embodiment of the present invention can be integrated in a processing module, can be also that the independent physics of unit exists, and also can be integrated in a module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.If described integrated module realizes and during as production marketing independently or use, also can be stored in a computer read/write memory medium using the form of software function module.
The above-mentioned storage medium of mentioning can be read-only storage, disk or CD etc.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, amendment, replacement and modification to these embodiment, scope of the present invention is by claims and be equal to and limit.
Claims (9)
1. a checkout gear for water purifier filter element life, is characterized in that, comprising:
N filter core, a described N filter core is connected in series successively, and wherein, N is more than or equal to 1 integer;
Valve, the entrance of described valve is connected with the first end of a described N filter core and the second end of N filter core respectively;
Detection module, described detection module is connected with the outlet of described valve, for detection of the first end of each described filter core and the pressure of the second end to generate corresponding pressure detecting signal; And
Control module, described control module is connected with described detection module with described valve respectively, be used for controlling described valve to select corresponding described filter core, and according to the pressure difference value at described pressure detecting signal acquisition corresponding described filter core two ends, the pressure difference value at each described filter core two ends is compared with corresponding predetermined threshold value, and judge according to comparative result whether described each described filter core lost efficacy.
2. the checkout gear of water purifier filter element life as claimed in claim 1, it is characterized in that, described valve comprises N+1 magnetic valve, each described magnetic valve has an outlet and an entrance, the entrance of i magnetic valve in a described N+1 magnetic valve is connected with the first end of i filter core in a described N filter core, the entrance of i+1 magnetic valve is connected with the second end of described i filter core, N+1 outlet of a described N+1 magnetic valve is connected with described detection module respectively, wherein, i is more than or equal to 1 and be less than or equal to the integer of N.
3. the checkout gear of water purifier filter element life as claimed in claim 1, it is characterized in that, described valve is single magnetic valve, described magnetic valve has N+1 entrance and the outlet being connected with described detection module, i entrance in a described N+1 entrance is connected with the first end of i filter core in a described N filter core, i+1 entrance is connected with the second end of described i filter core, and wherein, i is more than or equal to 1 and be less than or equal to the integer of N.
4. the checkout gear of water purifier filter element life as claimed in claim 1, it is characterized in that, described valve is single magnetic valve, described magnetic valve has N+1 entrance and N+1 the outlet being connected with described detection module respectively, i entrance in a described N+1 entrance is connected with the first end of i filter core in a described N filter core, i+1 entrance is connected with the second end of described i filter core, and wherein, i is more than or equal to 1 and be less than or equal to the integer of N.
5. the checkout gear of water purifier filter element life as claimed in claim 1, is characterized in that, described detection module is pressure sensor.
6. the checkout gear of water purifier filter element life as claimed in claim 5, is characterized in that, described pressure sensor comprises pressure sensitive unit and processing unit, and described pressure sensor is for exporting the pressure A/D signal at each described filter core two ends.
7. the checkout gear of water purifier filter element life as claimed in claim 1, is characterized in that, also comprises:
Display module, described display module is connected with described control module, points out user when judging that in described control module described filter core lost efficacy.
8. a detection method for the checkout gear of the water purifier filter element life as described in claim 1-7 any one, is characterized in that, comprises the steps:
In described water purification mechanism water process, the valve path conducting in succession that the first end of described control module control and filter core to be detected and the second end are corresponding;
Described checkout gear detects the pressure at described filter core two ends to generate pressure detecting signal;
Obtain the pressure difference value at described filter core two ends according to described pressure detecting signal, and the pressure difference value at described filter core two ends is compared with corresponding predetermined threshold value;
If the pressure difference value at described filter core two ends is greater than described predetermined threshold value, judge that described filter core lost efficacy.
9. the detection method of water purifier filter element life as claimed in claim 8, is characterized in that, also comprises:
In the time judging that described filter core lost efficacy, send prompting to user.
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| CN201310033094.8A CN103961927B (en) | 2013-01-28 | 2013-01-28 | The detection device of water-purifying machine filter element life and detection method thereof |
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| CN103961927B CN103961927B (en) | 2016-06-01 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104941304A (en) * | 2014-12-03 | 2015-09-30 | 佛山市云米电器科技有限公司 | Water quality reminding method for water purifier and water quality reminding device for water purifier |
| CN105561672A (en) * | 2016-03-09 | 2016-05-11 | 孙丰忠 | Method and device for detecting service life of purified water filter element |
| CN105565444A (en) * | 2015-08-27 | 2016-05-11 | 王富强 | Magneto-gravity water purifier |
| CN105964044A (en) * | 2016-07-07 | 2016-09-28 | 广州康柏能量健康科技有限公司 | Filter element capable of accurately metering and positioning as well as preventing secondary pollution |
| CN106094903A (en) * | 2016-08-26 | 2016-11-09 | 曼瑞德集团有限公司 | A kind of purifier water outlet flow control system |
| CN106186125A (en) * | 2016-09-26 | 2016-12-07 | 无限极（中国）有限公司 | A kind of filter element life detector and method |
| CN104298208B (en) * | 2014-10-27 | 2017-05-10 | 宋建峰 | Intelligent Internet of Things system adapting to water purifying device |
| CN107121450A (en) * | 2017-05-02 | 2017-09-01 | 北京小米移动软件有限公司 | The detection method and device of air cleaning facility, filter core |
| CN107321191A (en) * | 2017-07-26 | 2017-11-07 | 上海开能环保设备股份有限公司 | Dry filter membrane cartridge test equipment and its method of testing |
| CN108328759A (en) * | 2017-01-20 | 2018-07-27 | 青岛经济技术开发区海尔热水器有限公司 | Method for confirming service life of filter element of water purification system and water purification system |
| CN109147629A (en) * | 2018-09-10 | 2019-01-04 | 珠海格力电器股份有限公司 | Water purifier with low-power-consumption display function and display control method thereof |
| CN110354570A (en) * | 2019-07-22 | 2019-10-22 | 智恒科技股份有限公司 | A kind of method and system carrying out filter element life judgement by Water quality detector |
| CN112973257A (en) * | 2021-02-18 | 2021-06-18 | 珠海格力电器股份有限公司 | Filter element anti-blocking detection method and device, storage medium and water purification equipment |
| CN114166712A (en) * | 2020-10-29 | 2022-03-11 | 佛山市美的清湖净水设备有限公司 | Water purification equipment, core replacement detection method and device of water purification equipment |
| CN116282374A (en) * | 2023-02-16 | 2023-06-23 | 珠海格力电器股份有限公司 | Filter element service life detection method and device, computer equipment and water purifier |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104298208B (en) * | 2014-10-27 | 2017-05-10 | 宋建峰 | Intelligent Internet of Things system adapting to water purifying device |
| CN104941304A (en) * | 2014-12-03 | 2015-09-30 | 佛山市云米电器科技有限公司 | Water quality reminding method for water purifier and water quality reminding device for water purifier |
| CN105565444A (en) * | 2015-08-27 | 2016-05-11 | 王富强 | Magneto-gravity water purifier |
| CN105565444B (en) * | 2015-08-27 | 2017-12-26 | 新昌县沃克工具有限公司 | Magnetic weight water purifier |
| CN105561672B (en) * | 2016-03-09 | 2017-10-27 | 孙丰忠 | A kind of life detecting device of purified water filter core |
| CN105561672A (en) * | 2016-03-09 | 2016-05-11 | 孙丰忠 | Method and device for detecting service life of purified water filter element |
| CN105964044A (en) * | 2016-07-07 | 2016-09-28 | 广州康柏能量健康科技有限公司 | Filter element capable of accurately metering and positioning as well as preventing secondary pollution |
| CN106094903A (en) * | 2016-08-26 | 2016-11-09 | 曼瑞德集团有限公司 | A kind of purifier water outlet flow control system |
| CN106094903B (en) * | 2016-08-26 | 2023-11-03 | 魏斯瓦瑟环境技术（嘉兴）有限公司 | Water purifier water outlet flow control system |
| CN106186125A (en) * | 2016-09-26 | 2016-12-07 | 无限极（中国）有限公司 | A kind of filter element life detector and method |
| CN108328759A (en) * | 2017-01-20 | 2018-07-27 | 青岛经济技术开发区海尔热水器有限公司 | Method for confirming service life of filter element of water purification system and water purification system |
| CN107121450A (en) * | 2017-05-02 | 2017-09-01 | 北京小米移动软件有限公司 | The detection method and device of air cleaning facility, filter core |
| CN107321191A (en) * | 2017-07-26 | 2017-11-07 | 上海开能环保设备股份有限公司 | Dry filter membrane cartridge test equipment and its method of testing |
| CN109147629A (en) * | 2018-09-10 | 2019-01-04 | 珠海格力电器股份有限公司 | Water purifier with low-power-consumption display function and display control method thereof |
| CN110354570A (en) * | 2019-07-22 | 2019-10-22 | 智恒科技股份有限公司 | A kind of method and system carrying out filter element life judgement by Water quality detector |
| CN110354570B (en) * | 2019-07-22 | 2021-05-25 | 福建智恒优水科技有限公司 | Method and system for judging service life of filter element through water quality detector |
| CN114166712A (en) * | 2020-10-29 | 2022-03-11 | 佛山市美的清湖净水设备有限公司 | Water purification equipment, core replacement detection method and device of water purification equipment |
| CN112973257A (en) * | 2021-02-18 | 2021-06-18 | 珠海格力电器股份有限公司 | Filter element anti-blocking detection method and device, storage medium and water purification equipment |
| CN116282374A (en) * | 2023-02-16 | 2023-06-23 | 珠海格力电器股份有限公司 | Filter element service life detection method and device, computer equipment and water purifier |
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