CN103961927B - The detection device of water-purifying machine filter element life and detection method thereof - Google Patents
The detection device of water-purifying machine filter element life and detection method thereof Download PDFInfo
- Publication number
- CN103961927B CN103961927B CN201310033094.8A CN201310033094A CN103961927B CN 103961927 B CN103961927 B CN 103961927B CN 201310033094 A CN201310033094 A CN 201310033094A CN 103961927 B CN103961927 B CN 103961927B
- Authority
- CN
- China
- Prior art keywords
- filter core
- water
- pressure
- valve
- entrance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Water Treatment By Sorption (AREA)
Abstract
The present invention discloses the detection device of a kind of water-purifying machine filter element life, comprising: the N number of filter core being sequentially connected in series, wherein, N be more than or equal to 1 integer; Valve, the entrance of described valve is connected with the 2nd end of N number of filter core with the described first end of N number of filter core respectively; Detection module, described detection module is connected with the outlet of described valve, for the pressure of the first end and the 2nd end that detect each filter core to generate corresponding pressure detecting signal; Control module, for control valve to select corresponding filter core, and the pressure difference value at corresponding filter core two ends is obtained according to pressure detecting signal, the pressure difference value at each filter core two ends is compared with corresponding predetermined threshold value, and judges whether each filter core lost efficacy according to comparative result. The detection device accuracy of detection of this water-purifying machine filter element life is higher, provide cost savings, simplify the complexity of control, it is to increase reliability. The invention also discloses the detection method of the detection device of a kind of water-purifying machine filter element life.
Description
Technical field
The present invention relates to water-purifying machine technical field, in particular to the detection method of the detection device of a kind of water-purifying machine filter element life and the detection device of a kind of water-purifying machine filter element life.
Background technology
At present, generally utilize strainer to coordinate filter core to remove the chlorine in former water, heavy metal bacterium, virus, algae and suspended solid, make the limpid cleaning of the water after process, aseptic, tap water healthy, standard can be provided to people. Household water purification equipment generally forms by being set with the filtration unit possessing different functional filter element more. But after filter core life-time service, because of the procreation etc. of the blocking of trapped substance and microorganism, and filter core being caused to lose efficacy, namely filter element life expires, according to working hour, water flow or its combination, prior art can only judge whether filter element life expires usually, can not accomplish accurately to detect filter element life. In addition, owing to each department water quality difference is different with user's water consumption, for ensureing the safe drinking water of people, time or the flow set of changing each filter core are relatively conservative, and user can change filter core before filter core really lost efficacy, thus increases use cost, causes waste.
In prior art, a kind of filter core status display system for accurate filter is made up of micro-chip, indicating meter, analog to digital conversion circuit, it is provided with an intermediate pressure sensor between two strainer tubes of arbitrary neighborhood, the starting point of strainer tube and terminal arrange pressure transmitter respectively, pressure transmitter 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 micro-chip, and indicating meter is connected with micro-chip. Wherein, pressure transmitter detects the hydraulic pressure in each section of strainer tube between water inlet pipe to rising pipe respectively in real time, and pass the signal along to micro-chip, micro-chip calculates the differential water pressures of each section of strainer tube, when certain section of differential water pressures reaches set(ting)value, namely show that in this section of filter core, suspended solid stops at most, has arrived the replacing opportunity of filter core, micro-chip is to indicating meter output work signal, and indicating meter sends prompting signal.
But, the shortcoming that this filter core status display system being used for accurate filter exists is: 1, adopting multiple pressure transmitter, cost is higher; 2, adopting multiple pressure transmitter, the systematic error between multiple sensor affects measuring result, and measuring accuracy is poor; 3, the pressure difference value at different pressure of supply water lower filter two ends is different, and filter element life detection there will be error.
Summary of the invention
The object of the present invention is intended at least solve one of above-mentioned technological deficiency.
For this reason, it is an object of the invention to propose detection device and the detection method thereof of a kind of water-purifying machine filter element life, eliminate the interference of error between multiple sensor, accuracy of detection is higher, provide cost savings, and simplify the complexity of control, it is to increase reliability.
For achieving the above object, the detection device of a kind of water-purifying machine filter element life that the embodiment of one aspect of the present invention proposes, comprising: N number of filter core, and described N number of filter core is sequentially connected in series, wherein, N be more than or equal to 1 integer; Valve, the entrance of described valve is connected with the 2nd end of N number of filter core with the described first end of N number of filter core respectively; Detection module, described detection module is connected with the outlet of described valve, for the pressure of the first end and the 2nd end that detect filter core described in each to generate corresponding pressure detecting signal; And control module, described control module is connected with described detection module with described valve respectively, for controlling described valve to select corresponding described filter core, and the pressure difference value at corresponding described filter core two ends is obtained according to described pressure detecting signal, the pressure difference value at filter core two ends described in each is compared with corresponding predetermined threshold value, and described in judging according to comparative result, whether filter core described in each lost efficacy.
The detection device of water-purifying machine filter element life according to embodiments of the present invention, adopt a detection module and valve just can realize the pressure detection of each filter core water-in, water outlet, eliminate the interference of error between multiple sensor, it is to increase accuracy of detection, provide cost savings. Further, when different pressure of supply waters, the predetermined threshold value of each filter core failure pressure difference can be revised.
In one embodiment of the invention, described valve comprises N+1 magnetic valve, magnetic valve described in each has an outlet and an entrance, the entrance of i-th magnetic valve in described N+1 magnetic valve is connected with the first end of i-th filter core in described N number of filter core, the entrance of the i-th+1 magnetic valve is connected with the 2nd end of described i-th filter core, N+1 outlet of 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, the outlet that described magnetic valve has N+1 entrance and is connected with described detection module, i-th entrance in described N+1 entrance is connected with the first end of i-th filter core in described N number of filter core, the i-th+1 entrance is connected with the 2nd end of described i-th 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 respectively with described detection module, i-th entrance in described N+1 entrance is connected with the first end of i-th filter core in described N number of filter core, the i-th+1 entrance is connected with the 2nd end of described i-th filter core, wherein, i is more than or equal to 1 and be less than or equal to the integer of N.
Adopt the single magnetic valve with multiple entrance and one or more outlet, decrease the quantity of magnetic valve, reduce cost.
In one embodiment of the invention, described detection module is pressure transmitter.
Further, described pressure transmitter comprises pressure sensing unit and processing unit, and described pressure transmitter is for exporting the pressure A/D signal at filter core two ends described in each.
Directly export pressure A/D signal by pressure transmitter, simplify the complexity of control, it is to increase reliability.
In one embodiment of the invention, the detection device of described water-purifying machine filter element life also comprises: display module, described display module is connected with described control module, for pointing out user when described control module judges that described filter core lost efficacy, facilitates user to change corresponding filter core in time.
For achieving the above object, the present invention's embodiment on the other hand proposes the detection method of the detection device of a kind of water-purifying machine filter element life, comprise the steps: in described water purification mechanism water process, the valve path successive conductive that the first end of the control of described control module and filter core to be detected and two port are answered; Described detection device 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.
The detection method of the detection device of water-purifying machine filter element life according to embodiments of the present invention, can realize being detected respectively by each filter core, 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 improve accuracy of detection, provide cost savings.
In one embodiment of the invention, the detection method of described water-purifying machine filter element life, also comprises: when judging that described filter core lost efficacy, sends prompting to user, facilitates user to change the filter core of inefficacy in time.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by the practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obviously with it should be readily understood that wherein from the following description of the accompanying drawings of embodiments:
Fig. 1 is the structural representation of the detection device of water-purifying machine filter element life according to an embodiment of the invention;
Fig. 2 is the structural representation of the detection device of the water-purifying machine filter element life according to the present invention's further embodiment;
Fig. 3 is the structural representation of the detection device of the water-purifying machine filter element life according to another preferred embodiment of the present invention;
Fig. 4 A is the front view of No. 6 two-way valves according to the present invention's example;
Fig. 4 B is the sectional view of this No. 6 two-way valve along B-B direction;
Fig. 4 C is the sectional view of this No. 6 two-way valve along A-A direction;
Fig. 5 is the structural representation of the detection device of the water-purifying machine filter element life according to another preferred embodiment of the present invention;
Fig. 6 A is the front view of No. 6 two-way valves according to another example of the present invention;
Fig. 6 B is the sectional view of this No. 6 two-way valve along B-B direction;
Fig. 6 C is the sectional view of this No. 6 two-way valve along A-A direction; And
Fig. 7 is the schema of the detection method of the detection device of water-purifying machine filter element life in accordance with another embodiment of the present invention.
Reference numeral:
N number of filter core 10, valve 20, detection module 30 and control module 40, display module 50; Body 1, spool 2, sealing-ring 36 entrances 5,6,7,8,9,10 and outlet 4,6 outlets 11,12,13,14,15,16.
Embodiment
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish. It is exemplary below by the embodiment being described with reference to the drawings, only for explaining the present invention, and limitation of the present invention can not be interpreted as.
Disclosing hereafter provides many different embodiments or example is used for realizing the different structure of the present invention. In order to simplify disclosing of the present invention, hereinafter parts and setting to specific examples are described. Certainly, they are only example, and object is not restriction the present invention. In addition, the present invention can in different example repeat reference numerals and/or letter. This kind repeats to be to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting. In addition, various specific technique that the present 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, fisrt feature described below second feature it " on " structure can comprise the embodiment that the first and second features are formed as directly contact, can also comprising the embodiment that other feature is formed between the first and second features, such first and second features may not be direct contact.
In describing the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanically connected or electrical connection, can also be the connection of two element internals, it is possible to be directly be connected, it is also possible to be indirectly connected by intermediary, for the ordinary skill in the art, it is possible to understand the concrete implication of above-mentioned term according to particular case.
With reference to description below and accompanying drawing, it will be clear that these and other aspects of embodiments of the invention. Describe at these and in accompanying drawing, specifically disclose the particular implementation of some in embodiments of the invention, represent some modes of the principle implementing embodiments of the invention, it is understood that the scope of embodiments of the invention is not limited. On the contrary, embodiments of the invention comprise all changes within the scope of the spirit and intension falling into attached claim book, amendment and etc. jljl.
Detection device and the detection method thereof of the water-purifying machine filter element life proposed according to embodiments of the present invention are described with reference to the accompanying drawings.
Fig. 1 is the structural representation of the detection device of water-purifying machine filter element life according to an embodiment of the invention. As shown in Figure 1, the detection device of this water-purifying machine filter element life comprises N number of filter core 10, valve 20, detection module 30 and control module 40.
Wherein, N number of filter core 10 is sequentially connected in series, N be more than or equal to 1 integer. That is, in one embodiment of the invention, the filter core possessing not congenerous can be sequentially connected in series composition filtration module, for the chlorine in former water, heavy metal bacterium, virus, algae and suspended solid being carried out filtration treatment to provide tap water clean, aseptic, conformance with standard.
As shown in Figure 1, the entrance of valve 20 is connected with the 2nd end of N number of filter core with N number of first end of filter core 10 respectively, detection module 30 is connected with the outlet of valve 20, for the pressure of the first end and the 2nd end that detect each filter core 10 to generate corresponding pressure detecting signal.
In the present embodiment, control module 40 is connected with detection module 30 with valve 20 respectively, for the path of control valve 20 to select corresponding filter core, and the pressure difference value at corresponding filter core two ends is obtained according to pressure detecting signal, the pressure difference value at each filter core two ends is compared with corresponding predetermined threshold value, and judges whether each filter core lost efficacy according to comparative result. Wherein, the first end of filter core and the pressure difference value of feed-water end and the 2nd end and water side when predetermined threshold value is the inefficacy of often kind of filter core under different source pressure/filter core feed-water end pressure, it is that the kind according to filter core and source pressure/filter core feed-water end pressure are determined, 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-th magnetic valve in N+1 magnetic valve 21 is connected with the first end of i-th filter core in N number of filter core, the entrance of the i-th+1 magnetic valve 21 is connected with the 2nd end of i-th filter core, N+1 outlet of N+1 magnetic valve 21 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/store/calculate module, for controlling the keying of each magnetic valve 21, make detection module can detect/detect successively the pressure of each filter core feed-water end or water side, and calculate the pressure difference value of each filter core feed-water end and water side, then compare with corresponding predetermined threshold value, judge the work-ing life of each filter core.
In one embodiment of the invention, detection module 30 can be pressure transmitter. That is, the feed-water end of each filter core 10 is connected with pressure transmitter by magnetic valve respectively with water side, and magnetic valve is for controlling filter core feed-water end or the connection of water side and pressure transmitter, and many one of the quantity of the number ratio filter core of magnetic valve.
Wherein, pressure transmitter is silicon high-precision pressure sensor, and its quantity is one, and pressure transmitter comprises pressure sensing unit and processing unit, and pressure transmitter is for exporting the pressure A/D signal at each filter core two ends. Namely say, pressure transmitter is by subminiature capacitive MEMS (Micro-Electro-MechanicalSystems, MEMS (micro electro mechanical system)) pressure sensing unit and high accuracy number process and Calibration Circuit (DSP) composition, with guarantee pressure detecting signal high precision export.
In an embodiment of the present invention, the pressure A/D signal at each filter core two ends is directly exported by pressure transmitter, simplify the complexity of control module 40, improve reliability, when different pressure of supply waters, the predetermined threshold value that each filter core is corresponding can be carried out the correction that may need according to the judgment basis of filter core failure pressure difference simultaneously.
In one embodiment of the invention, as shown in Figure 2, the detection device of above-mentioned water-purifying machine filter element life also comprises display module 50, display module 50 is connected with control module 40, for pointing out user when control module 40 judges that filter core lost efficacy, remind user to change corresponding filter core in time, provide information accurately directly perceived opportunity for judging the replacing of filter core, bring conveniently to user. Wherein, display module 50 can be sound/light display module, and when control module 40 judges that filter core lost efficacy, pilot 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, the outlet that magnetic valve 22 has N+1 entrance and is connected with detection module 30, i-th entrance in N+1 entrance is connected with the first end of i-th filter core in N number of filter core 10, and the i-th+1 entrance is connected with the 2nd end of i-th filter core, wherein, i is more than or equal to 1 and be less than or equal to the integer of N.
Specifically, in an example of the present invention, as shown in figs. 4 a-4 c, above-mentioned single magnetic valve 22 is No. 6 two-way valves, this No. 6 two-way valve major parts is made up of spool 2 and the sealing-ring 3 of body 1 and rotatable action, and having 6 entrances 5,6,7,8,9,10 and outlet 4, outlet 4 is ined succession pressure transmitter. Wherein, it will be appreciated that the way that the way of valve is the pressure detected as required is determined. The stepped start-stop system that the mode that the rotation of spool can adopt electro-magnet and ratchet structure to combine realizes spool rotates, or directly adopts stepper-motor to drive, thus reaches the object of the pressure detecting each path respectively. For the ease of the path of district office's test, it is possible to arrange one or several signaling switch in the position of one or several path, when Spool rotating is to the position signal that can provide spool during this position, it is convenient to control.
For No. 6 two-way valves, as shown in figs. 4 a and 4 c, on spool, it is an annular groove that corresponding pressure transmits outlet 4 places of public passage, this ring groove detects entrance 5,6,7,8,9,10 connection of passage respectively by another axial groove when Spool rotating with each corresponding pressure, forming 6 paths of 5-4,6-4,7-4,8-4,9-4,10-4 respectively, pressure transmitter can export 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 respectively with detection module 30, i-th entrance in N+1 entrance is connected with the first end of i-th filter core in N number of filter core 10, the i-th+1 entrance is connected with the 2nd end of i-th filter core, and wherein, i is more than or equal to 1 and be less than or equal to the integer of N.
Specifically, in another example of the present invention, as shown in figs 6 a-6 c, above-mentioned single magnetic valve 23 can be No. 6 two-way valves, this No. 6 two-way valve major parts is made up of spool 2 and the sealing-ring 3 of body 1 and rotatable action, and there are 11,12,13,14,15,16,6 outlets 11,12,13,14,15,16 of 6 entrances 5,6,7,8,9,10 and 6 outlets be all connected with pressure transmitter. Equally, the stepped start-stop system that the mode that the rotation of spool can adopt electro-magnet and ratchet structure to combine realizes spool rotates, or directly adopts stepper-motor to drive, thus reaches the object of the pressure detecting each path respectively. For the ease of the path of district office's test, it is possible to arrange one or several signaling switch in the position of one or several path, when Spool rotating is to the position signal that can provide spool during this position, it is convenient to control.
As shown in Fig. 6 A and Fig. 6 C, by on spool axial groove difference corresponding pressure detection passage 5-11 when Spool rotating, 6-12,7-13,8-14,9-15 and 10-16, then detects one group passage (5 to 10 or 11 to 16) and merges rear setting pressure sensor, and pressure transmitter can export the pressure A/D signal at corresponding filter core two ends.
Adopt multichannel two three-way electromagnetic valve to replace multiple two three-way electromagnetic valves, decrease the quantity of two three-way electromagnetic valves, reduce cost.
The detection device of water-purifying machine filter element life according to embodiments of the present invention, adopt detection module 30 such as a pressure transmitter and multiple magnetic valve or multi-channel electromagnetic valve just can realize the pressure detection of each filter core water-in, water outlet, eliminate the interference of error between multiple sensor, improve accuracy of detection, provide cost savings. Further, when different pressure of supply waters, the predetermined threshold value of each filter core failure pressure difference can be revised. In addition, directly exported the pressure A/D signal at each filter core two ends by pressure transmitter, simplify the complexity of control module 40, it is to increase reliability.
Fig. 7 is the schema of the detection method of the detection device of water-purifying machine filter element life in accordance with another embodiment of the present invention, and wherein the detection device of water-purifying machine filter element life is the detection device of the water-purifying machine filter element life that above-described embodiment proposes. As shown in Figure 7, the detection method of the detection device of this water-purifying machine filter element life comprises the steps:
S101, in water purification mechanism water process, the valve path successive conductive that the first end of control module control and filter core to be detected and two port are answered.
Wherein, valve can be multiple two three-way electromagnetic valves or multichannel two three-way electromagnetic valve.
S102, detection device 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 exported the pressure A/D signal at filter core two ends by detection module, simplify the complexity of control module 40, it is to increase reliability.
S103, obtains the pressure difference value at these filter core two ends according to pressure detecting signal, and is compared with corresponding predetermined threshold value by the pressure difference value at these filter core two ends. Wherein, the pressure difference value of filter core feed-water end and water side when predetermined threshold value is the inefficacy of often kind of filter core under different source pressure/filter core feed-water end pressure, it is that the kind according to filter core and source pressure/filter core feed-water end pressure are determined, 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, it is possible to realize being judged by each filter core in the detection device of water-purifying machine filter element life.
Further, when judging that corresponding filter core lost efficacy, prompting is sent to user. Namely say, send information by display module to user when control module judges that corresponding filter core lost efficacy, remind user to change corresponding filter core in time, provide information accurately directly perceived opportunity for judging the replacing of filter core, bring conveniently to user. Wherein, display module can be sound/light display module, and when control module judges that filter core lost efficacy, pilot lamp glimmers or sounds a buzzer.
The detection method of the detection device of water-purifying machine filter element life according to embodiments of the present invention, can realize being detected respectively by each filter core, 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 improve accuracy of detection, provide cost savings.
Describe and can be understood in schema or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the performed instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carrying out n-back test, this should be understood by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the performed instruction for realizing logic function can be considered as, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as based on system for computer, the system comprising treater or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or use in conjunction with these instruction execution systems, device or equipment. With regard to this specification sheets, " computer-readable medium " can be any can comprise, store, communicate, propagate or transmission program for instruction execution system, device or equipment or the device that uses 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 wiring, portable computer diskette box (magnetic device), random access memory (RAM), read-only storage (ROM), erasable edit read-only storage (EPROM or dodge speed storer), fiber device, and portable optic disk read-only storage (CDROM). In addition, computer-readable medium is it is even possible that be paper or other the suitable media that can print described program thereon, because can such as by paper or other media be carried out optical scanning, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, then store it in computer memory.
It is to be understood that each several part of the present invention can realize with hardware, software, firmware or their combination. In the above-described embodiment, multiple step or method can realize with the software stored in memory and perform by suitable instruction execution system or firmware. Such as, if realized with hardware, the same with in another enforcement mode, can realize with the arbitrary item in following technology well known in the art or their combination: the discrete logic with the logic gates for data signal being realized logic function, there is the application specific integrated circuit of suitable combinational logic gating 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 be completed by the hardware that program carrys out instruction relevant, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, it is also possible to is that the independent physics of each unit exists, it is also possible to two or more unit are integrated in a module. Above-mentioned integrated module both can adopt the form of hardware to realize, it is also possible to adopts the form of software function module to realize. If described integrated module realize using the form of software function module and as independent production marketing or when using, it is also possible to be stored in a computer read/write memory medium.
The above-mentioned storage media mentioned can be read-only storage, disk or CD etc.
In the description of this specification sheets, at least one embodiment that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to be contained in the present invention in conjunction with concrete feature, structure, material or feature that this embodiment or example describe or example. In this manual, the schematic representation of above-mentioned term is not necessarily referred to identical embodiment or example. And, the concrete feature of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although it has been shown and described that embodiments of the invention, for the ordinary skill in the art, being appreciated that and these embodiments can be carried out multiple change, amendment, replacement and modification without departing from the principles and spirit of the present invention, the scope of the present invention is by claims and equivalent limits.
Claims (9)
1. the detection device of a water-purifying machine filter element life, it is characterised in that, comprising:
N number of filter core, described N number of filter core is sequentially connected in series, wherein, N be greater than 1 integer;
Valve, the entrance of described valve is connected with the 2nd end of N number of filter core with the described first end of N number of filter core respectively;
Detection module, described detection module is connected with the outlet of described valve, for the pressure of the first end and the 2nd end that detect filter core described in each to generate corresponding pressure detecting signal; And
Control module, described control module is connected with described detection module with described valve respectively, for controlling described valve to select corresponding described filter core, and the pressure difference value at corresponding described filter core two ends is obtained according to described pressure detecting signal, the pressure difference value at filter core two ends described in each is compared with corresponding predetermined threshold value, and described in judging according to comparative result, whether filter core described in each lost efficacy.
2. the detection device of water-purifying machine filter element life as claimed in claim 1, it is characterized in that, described valve comprises N+1 magnetic valve, magnetic valve described in each has an outlet and an entrance, the entrance of i-th magnetic valve in described N+1 magnetic valve is connected with the first end of i-th filter core in described N number of filter core, the entrance of the i-th+1 magnetic valve is connected with the 2nd end of described i-th filter core, N+1 outlet of 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 detection device of water-purifying machine filter element life as claimed in claim 1, it is characterized in that, described valve is single magnetic valve, the outlet that described magnetic valve has N+1 entrance and is connected with described detection module, i-th entrance in described N+1 entrance is connected with the first end of i-th filter core in described N number of filter core, the i-th+1 entrance is connected with the 2nd end of described i-th 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 detection device of water-purifying machine 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 respectively with described detection module, i-th entrance in described N+1 entrance is connected with the first end of i-th filter core in described N number of filter core, the i-th+1 entrance is connected with the 2nd end of described i-th 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 detection device of water-purifying machine filter element life as claimed in claim 1, it is characterised in that, described detection module is pressure transmitter.
6. the detection device of water-purifying machine filter element life as claimed in claim 5, it is characterised in that, described pressure transmitter comprises pressure sensing unit and processing unit, and described pressure transmitter is for exporting the pressure A/D signal at filter core two ends described in each.
7. the detection device of water-purifying machine filter element life as claimed in claim 1, it is characterised in that, also comprise:
Display module, described display module is connected with described control module, for pointing out user when described control module judges that described filter core lost efficacy.
8. the detection method of the detection device of water-purifying machine filter element life as described in an item as arbitrary in claim 1-7, it is characterised in that, comprise the steps:
In described water purification mechanism water process, the valve path successive conductive that the first end of the control of described control module and filter core to be detected and two port are answered;
Described detection device 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 the detection device of water-purifying machine filter element life as claimed in claim 8, it is characterised in that, also comprise:
When judging that described filter core lost efficacy, send prompting by display module to user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310033094.8A CN103961927B (en) | 2013-01-28 | 2013-01-28 | The detection device of water-purifying machine filter element life and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310033094.8A CN103961927B (en) | 2013-01-28 | 2013-01-28 | The detection device of water-purifying machine filter element life and detection method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103961927A CN103961927A (en) | 2014-08-06 |
| CN103961927B true CN103961927B (en) | 2016-06-01 |
Family
ID=51232218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310033094.8A Expired - Fee Related CN103961927B (en) | 2013-01-28 | 2013-01-28 | The detection device of water-purifying machine filter element life and detection method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103961927B (en) |
Families Citing this family (15)
| 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 |
| 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 |
| 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 |
| 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 |
| CN108328759B (en) * | 2017-01-20 | 2022-08-16 | 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 |
| CN107121450B (en) * | 2017-05-02 | 2021-05-04 | 北京小米移动软件有限公司 | Air purification equipment and detection method and device of filter element |
| 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 |
| 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 |
| CN112973257B (en) * | 2021-02-18 | 2022-04-22 | 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1709551A (en) * | 2004-06-18 | 2005-12-21 | 上海万森水处理有限公司 | Filter cartridge state display system for precision filter |
| CN201988264U (en) * | 2011-03-17 | 2011-09-28 | 浙江沁园水处理科技有限公司 | Filter element life detection device |
| CN202105504U (en) * | 2011-04-19 | 2012-01-11 | 惠州七芯膜净化环保有限公司 | Water purifier capable of displaying working hours of plurality of filter elements |
| CN203123680U (en) * | 2013-01-28 | 2013-08-14 | 美的集团股份有限公司 | Device for detecting service lives of water purifier filter elements |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05168827A (en) * | 1991-12-24 | 1993-07-02 | Matsushita Electric Works Ltd | Water purifier |
| KR20050022509A (en) * | 2003-09-02 | 2005-03-08 | 구자명 | an apparatus to display filter changing time for a water purifier |
-
2013
- 2013-01-28 CN CN201310033094.8A patent/CN103961927B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1709551A (en) * | 2004-06-18 | 2005-12-21 | 上海万森水处理有限公司 | Filter cartridge state display system for precision filter |
| CN201988264U (en) * | 2011-03-17 | 2011-09-28 | 浙江沁园水处理科技有限公司 | Filter element life detection device |
| CN202105504U (en) * | 2011-04-19 | 2012-01-11 | 惠州七芯膜净化环保有限公司 | Water purifier capable of displaying working hours of plurality of filter elements |
| CN203123680U (en) * | 2013-01-28 | 2013-08-14 | 美的集团股份有限公司 | Device for detecting service lives of water purifier filter elements |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103961927A (en) | 2014-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103961927B (en) | The detection device of water-purifying machine filter element life and detection method thereof | |
| CN203123680U (en) | Device for detecting service lives of water purifier filter elements | |
| CN202381795U (en) | Intelligent flow throttling control system | |
| CN104922965A (en) | Water purification system and filtering core controlling method based on water purification system | |
| CN109665639A (en) | Life detecting method, device and the water purifier of filter element of water purifier | |
| WO2007136528A3 (en) | Diagnostics in process control and monitoring systems | |
| CN106088267A (en) | Domestic sewer pipe anti-blocking alarm device | |
| CN105311876A (en) | Water purification method and water purifier | |
| CN201164793Y (en) | Intelligent controller of hyperfiltration purified water | |
| CN101786675A (en) | Device and method for separating multi-parameter wastewater sources | |
| CN204582719U (en) | A kind of Novel water purifier filter element detection system | |
| CN104310613A (en) | Water-saving type water purification device | |
| CN204717123U (en) | A kind of water purification system and intelligent tap thereof | |
| CN202547265U (en) | Refrigerator | |
| CN202527006U (en) | Integral water purifier with PLC (Programmable Logic Controller) intelligent control | |
| CN205182343U (en) | Water purifier | |
| CN105749757A (en) | Instrument for monitoring service life of filter element of water purifier | |
| CN205578840U (en) | Take water system of motorised valve | |
| CN202343635U (en) | On-line hydraulic line leakage detection device | |
| CN203490023U (en) | Transformer oil pressure monitoring system | |
| CN207894911U (en) | A kind of system of automatic-discharging drinking water not up to standard | |
| CN204039159U (en) | With the water treatment system of display control panel on a kind of tap | |
| CN206089222U (en) | Ultralow pressure water purifier filter element life -span recorder | |
| CN201443648U (en) | Water-saving tap | |
| CN104545484A (en) | Display alarm circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20210128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |