CN207684988U - Water softening device, the water hardness detection device for water softening device - Google Patents
Water softening device, the water hardness detection device for water softening device Download PDFInfo
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- CN207684988U CN207684988U CN201721441532.4U CN201721441532U CN207684988U CN 207684988 U CN207684988 U CN 207684988U CN 201721441532 U CN201721441532 U CN 201721441532U CN 207684988 U CN207684988 U CN 207684988U
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Abstract
Water hardness detection device and detection method the utility model discloses a kind of water softening device, for water softening device, detection device include：Hardness detecting unit, hardness detecting unit is arranged in the pipeline to be measured of water softening device, hardness detecting unit includes substrate and the working electrode and reference electrode that are disposed on the substrate, wherein, the potential difference when working electrode and reference electrode sense the testing liquid firmness change in pipeline to be measured between working electrode and reference electrode changes；Voltage detection unit, voltage detection unit are connected with hardness detecting unit, and voltage detection unit is by detecting the potential difference situation of change between working electrode and reference electrode to generate hardness determination signal；Control unit, control unit are connected with voltage detection unit, and control unit is used to judge according to hardness determination signal the hardness of testing liquid.Consequently facilitating user understands the bating effect of water softening device, and the apparatus structure is simple, and cost is relatively low.
Description
Technical field
The utility model is related to technical field of electric appliances, more particularly to a kind of water hardness detection device for water softening device and
A kind of water softening device with the device.
Background technology
Relevant water softening device usually carries out water demineralization by the technologies such as nanofiltration, reverse osmosis, ion exchange resin.But
Water softening device most without water hardness detection function, causes user that can not understand the bating effect of water softening device, user experience is not greatly
It is good.
In the related art, generally use adds up usage time, water yield or region water quality situation, or by calculating
The overall targets such as filter front and back flow velocity difference, pH differences or TDS (Total dissolved solids, total dissolved solidss) difference
To judge the softening situation of water softening device.But the relevant technologies the problem is that, be only capable of estimation using nanofiltration and reverse osmosis membrane etc.
The softening situation of the water softening device of filter core, but use the water softening device of softener resin that can not effectively judge to soften situation, influence user
Use feeling.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is to propose a kind of water hardness detection device for water softening device with a novel purpose, is capable of accurate judgement water softening device
Soften efficiency, promotes user experience.
Another purpose of the utility model is to propose a kind of water softening device.
In order to achieve the above objectives, the utility model first aspect proposes a kind of water hardness detection dress for water softening device
It sets, including：Hardness detecting unit, the hardness detecting unit are arranged in the pipeline to be measured of the water softening device, the hardness inspection
It includes substrate and setting working electrode and reference electrode on the substrate to survey unit, wherein when the working electrode and
The reference electrode senses the working electrode and the reference electricity when testing liquid firmness change in the pipeline to be measured
Potential difference between pole changes；Voltage detection unit, the voltage detection unit are connected with the hardness detecting unit, institute
It is hard to generate by detecting the potential difference situation of change between the working electrode and the reference electrode to state voltage detection unit
Degree detection signal；Control unit, described control unit are connected with the voltage detection unit, and described control unit is used for according to institute
State the hardness that hardness determination signal judges the testing liquid.
According to the utility model proposes the water hardness detection device for water softening device, hardness detecting unit be arranged soft
In the pipeline to be measured of water dispenser, hardness detecting unit includes substrate and the working electrode and reference electrode that are disposed on the substrate, when
When working electrode and reference electrode sense the testing liquid firmness change in pipeline to be measured between working electrode and reference electrode
Potential difference change, voltage detection unit by detect the potential difference situation of change between working electrode and reference electrode with
Hardness determination signal is generated, control unit judges the hardness of testing liquid according to hardness determination signal.The utility model as a result,
Water hardness detection device can be detected the hardness of water quality by the potential difference between working electrode and reference electrode, from
And the bating effect of water softening device is understood convenient for user, and the apparatus structure is simple, cost is relatively low.In addition, passing through hardness determination energy
The softening situation of enough accurate judgement water softening devices, and be generally applicable to, using the water softening device of nanofiltration, reverse osmosis membrane, softener resin, carry
User experience is risen.
Further, the working electrode and the reference electrode can be configured to working region and nonclient area
Domain, wherein the working region is for sensing the testing liquid in the pipeline to be measured, and the non-active area is by waterproof layer
Covering.
Further, the hardness detecting unit may be provided on the inner tubal wall of pipeline to be measured of the water softening device.
Further, the voltage detection unit and described control unit may be provided at outside the pipeline to be measured, with
The testing liquid isolation.
Further, when the working electrode and the discrete setting of the reference electrode, the working electrode and the ginseng
It can be microelectrode to examine electrode；When the working electrode and the integrally disposed reference electrode, the working electrode and institute
Setting can be printed on the substrate or by depositing chemical wet etching setting on the substrate by silk-screen by stating reference electrode.
Further, can further include cleaning unit for the water hardness detection device of water softening device, the cleaning unit packet
Include detergent line and standard flow container, wherein the detergent line is connected to the pipeline to be measured, and the cleaning unit is by standard flow container
In titer the pipeline to be measured is introduced by the detergent line, with to the working electrode and reference electrode progress
Cleaning.
Further, the titer can be calcium salt soln.
Further, the water softening device may include inlet pipeline, outlet pipeline and setting the inlet pipeline be
Soft brush treatment unit between water lines, the soft brush treatment unit are used to soften the raw water for inputting the inlet pipeline
Processing exports obtained soft water after sofening treatment by the outlet pipeline, wherein and the hardness detecting unit is two, first
A hardness detecting unit setting is arranged in the inlet pipeline, second hardness detecting unit in the outlet pipeline；Wherein, institute
Voltage detection unit is stated by detecting the electricity in first hardness detecting unit between working electrode and the reference electrode
Potential difference situation of change detects signal to generate original water hardness, and by detecting working electrode in second hardness detecting unit
Potential difference situation of change between the reference electrode detects signal to generate softened water hardness；Described control unit is according to
Original water hardness detection signal judges the hardness of the raw water, and detects signal according to the softened water hardness and judge the hard of the soft water
Degree.
Further, the water softening device can further include control valve, and the control valve is connected with described control unit, the control
Unit processed is in first state so that the inlet pipeline and the outlet pipeline are respectively communicated with institute by controlling the control valve
Soft brush treatment unit is stated, and the second state is in so as to go out described in the inlet pipeline directly connection by controlling the control valve
Water lines.
Further, the detergent line may include the first sub- pipeline and the second sub- pipeline, wherein the first sub- pipeline
One end be connected to the standard flow container, the other end of the first sub- pipeline is connected to the inlet pipeline, the second sub- pipeline
One end be connected to the outlet pipeline, wherein control the control valve when the cleaning unit is cleaned and be in the second shape
State, so that the titer passes sequentially through the described first sub- pipeline, the inlet pipeline, the outlet pipeline and second son
Pipeline, and do not pass through the soft brush treatment unit.
Further, described control unit can be further used for, according to the hardness of the soft water, the softened water hardness and institute
It states the ratio of original water hardness or the difference of the original water hardness and the softened water hardness controls the cleaning unit and cleaned.
In order to achieve the above objectives, on the other hand the utility model proposes a kind of water softening device, including described is used for soft water
The water hardness detection device of machine.
According to the utility model proposes water softening device work is passed through by the water hardness detection device for water softening device
Potential difference between electrode and reference electrode can be detected the hardness of water quality, consequently facilitating user understands the soft of water softening device
Change effect, and the apparatus structure is simple, cost is relatively low.In addition, capableing of the softening feelings of accurate judgement water softening device by hardness determination
Condition, and it is generally applicable to the water softening device using nanofiltration, reverse osmosis membrane, softener resin, the user experience is improved.
Description of the drawings
Fig. 1 is the block diagram according to the water hardness detection device for water softening device of the utility model embodiment；
Fig. 2 is the structural representation according to the water hardness detection device for water softening device of the utility model one embodiment
Figure；
Fig. 3 is the structural schematic diagram according to the water softening device of the utility model one embodiment；
Fig. 4 is the schematic diagram according to the soft water process of the water softening device of the utility model one embodiment；
Fig. 5 is the schematic diagram according to the cleaning process of the water softening device of the utility model one embodiment.
Fig. 6 is the block diagram according to the water softening device of the utility model embodiment；
Fig. 7 is the flow chart according to the water hardness detection method for water softening device of the utility model embodiment.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
Below with reference to the accompanying drawings the water hardness detection device for water softening device, water softening device of the utility model embodiment are described
With the water hardness detection method for water softening device.
Fig. 1 is the block diagram according to the water hardness detection device for water softening device of the utility model embodiment.
As depicted in figs. 1 and 2, the water hardness detection device for water softening device of the utility model embodiment includes：Hardness determination list
Member 10, voltage detection unit 20 and control unit 30.
Wherein, hardness detecting unit 10 is arranged in the pipeline to be measured 15 of water softening device, and hardness detecting unit 10 includes substrate
11 and setting working electrode 12 on the substrate 11 and reference electrode 13, wherein when working electrode 12 and reference electrode 13 are felt
It should become to the potential difference between working electrode 12 and reference electrode 13 when testing liquid firmness change in pipeline 15 to be measured
Change；Voltage detection unit 20 is connected with hardness detecting unit 10, and voltage detection unit 20 is by detecting working electrode 12 and reference
Potential difference situation of change between electrode 13 is to generate hardness determination signal；Control unit 30 is connected with voltage detection unit 20,
Control unit 30 is used to judge according to hardness determination signal the hardness of testing liquid such as water.
It should be noted that the total hardness of water can refer to the concentration of calcium and magnesium ion in water.
It should be noted that reference electrode 13 can be that can provide the electrode of stabilizing potential, i.e., 13 potential of reference electrode not with
The change of water hardness and change, working electrode 12 can be ion selective electrode, the potential of working electrode 12 can be with water quality
The change of hardness and change.
That is, when working electrode 12 and reference electrode 13 immerse the testing liquid in pipeline 15 to be measured, work electricity
By testing liquid conduction between pole 12 and reference electrode 13, to make to form potential between working electrode 12 and reference electrode 13
Difference, since the potential of working electrode 12 changes with water hardness and changes, so between working electrode 12 and reference electrode 13
Potential difference changes with the potential change of working electrode 12, and then voltage detection unit 20 is by detecting 12 He of working electrode
Potential difference situation of change between reference electrode 13 generates hardness determination signal, and is sent to control unit 30, control unit 30
The hardness of testing liquid is judged according to hardness determination signal.
Specifically, hardness detecting unit 10 is arranged in the pipeline to be measured 15 of water softening device, hardness detecting unit 10 includes
Substrate 11 and setting working electrode 12 on the substrate 11 and reference electrode 13, when working electrode 12 and reference electrode 13 incude
It changes to the potential difference between working electrode 12 and reference electrode 13 when testing liquid firmness change in pipeline 15 to be measured,
Voltage detection unit 20 detects the potential difference situation of change between working electrode 12 and reference electrode 13 to generate hardness determination letter
Number, hardness determination signal is sent to control unit 30 by voltage detection unit 20, and control unit 30 is sentenced according to hardness determination signal
The hardness of disconnected testing liquid.
One embodiment according to the present utility model, as shown in Fig. 2, working electrode 12 and reference electrode 13 are configured to have
There are working region and non-active area, working region is for sensing the testing liquid waited in 15 tunnel of test tube, non-active area quilt
Waterproof layer 14 covers.
Wherein, working region can be millimetre-sized working region.
One embodiment according to the present utility model, as shown in Fig. 2, hardness detecting unit 10 may be provided at waiting for for water softening device
On the inner tubal wall on test tube road 15.
One embodiment according to the present utility model, as shown in Fig. 2, voltage detection unit 20 and control unit 30 can be arranged
Outside pipeline 15 to be measured, to be isolated with testing liquid, to provide sensitive potential detection for electrode.Specifically, voltage is examined
It surveys unit 20 and control unit 30 may be provided on circuit board, first interface 16, the setting of substrate 11 second are provided on circuit board
Interface 17, second interface 17 are connected with first interface 16, and then working electrode 12 and reference electrode 13 pass through 17 He of second interface
First interface 16 can be connected with voltage detection unit 20.
One embodiment according to the present utility model, working electrode 12 and reference electrode 13 discrete can be arranged, and can also integrate
Setting.When the 13 discrete setting of working electrode 12 and reference electrode, working electrode 12 and reference electrode 13 are microelectrode；When
When working electrode 12 and integrally disposed reference electrode 13, working electrode 12 and reference electrode 13 can pass through thick film or thin-film technique system
It is standby, it is such as disposed on the substrate by silk-screen printing or is disposed on the substrate by depositing chemical wet etching, it is extensive raw to realize
Production and microminiaturization, further reduce the cost.
One embodiment according to the present utility model, control unit 30 can also be to the hardness of testing liquid into trip temperature and pH
Etc. factors compensation, to improve the precision that is detected to liquid hardness to be measured.
The water hardness detection device for water softening device of the utility model embodiment as a result, passes through working electrode and ginseng
The hardness of water quality can be detected by examining the potential difference between electrode, consequently facilitating user understands the bating effect of water softening device,
And the apparatus structure is simple, cost is relatively low.In addition, it is capable of the softening situation of accurate judgement water softening device by hardness determination, and it is general
All over the water softening device being suitable for using nanofiltration, reverse osmosis membrane, softener resin, the user experience is improved.
One embodiment according to the present utility model, the water hardness detection device for water softening device further include that cleaning is single
Member, cleaning unit include detergent line and standard flow container, wherein detergent line is connected to pipeline 15 to be measured, and cleaning unit is by standard
Titer in flow container introduces pipeline 15 to be measured by detergent line, to be cleaned to working electrode 12 and reference electrode 13.
That is, cleaning unit is for carrying out clearly the working electrode 12 and reference electrode 13 of hardness detecting unit 10
It washes, to wash the interfering ion being attached on working electrode 12 and reference electrode 13, improves hardness determination precision.Cleaning process
In, working electrode 12 and reference electrode 13 can be calibrated simultaneously, to further increase hardness determination precision.
Wherein, one embodiment according to the present utility model, titer can be calcium salt soln, more specifically, can be weak acid
The low concentration of calcium salting liquid of property.
One embodiment according to the present utility model, as in Figure 3-5, water softening device 200 include inlet pipeline 50, outlet pipe
Road 60 and the soft brush treatment unit 70 being arranged between inlet pipeline 50 and outlet pipeline 60, soft brush treatment unit 70 are used for defeated
The raw water for entering inlet pipeline 50 carries out sofening treatment, and exports the soft water obtained after sofening treatment by outlet pipeline 60.
Specifically, as in Figure 3-5, hardness detecting unit 10 can be two, wherein the first hardness detecting unit 101 can
It is arranged in inlet pipeline 50, second hardness detecting unit 102 may be provided at outlet pipeline 60；Wherein, voltage detection unit 20
By detecting the potential difference situation of change in the first hardness detecting unit 101 between working electrode 12 and reference electrode 13 to generate
Original water hardness detects signal, and by detecting in the second hardness detecting unit 102 between working electrode 12 and reference electrode 13
Potential difference situation of change detects signal to generate softened water hardness；Control unit 30 detects signal according to original water hardness and judges raw water
Hardness, and the hardness that signal judges soft water is detected according to softened water hardness.
It should be noted that as in Figure 3-5, soft brush treatment unit 70 includes soft water outlet pipeline 71 and resin container 72,
Wherein, raw water flows into resin container 72 by inlet pipeline 50, and raw water carries out ion exchange to be carried out to raw water in resin container 72
Softening, the soft water obtained after softening is connected to outlet pipeline 60 by soft water outlet pipeline 71, to enable water softening device to original
Water softens and exports the soft water obtained after softening.
Specifically, the first hardness detecting unit 101 is arranged in inlet pipeline 50, the first hardness determination list is flowed through in raw water
When member 101, the potential difference between the working electrode 12 and reference electrode 13 of the first hardware detection unit 101 changes, voltage
Detection unit 20 is changed by detecting the potential difference in the first hardness detecting unit 101 between working electrode 12 and reference electrode 13
Situation detects signal to generate original water hardness, and control unit 30 detects the hardness that signal judges raw water according to original water hardness；Similarly,
Second hardness detecting unit 102 is arranged in outlet pipeline 60, when soft water flows through the second hardness detecting unit 102, the second hardness
Potential difference between the working electrode 12 and reference electrode 13 of detection unit 102 changes, and voltage detection unit 20 passes through inspection
The potential difference situation of change between working electrode 12 and reference electrode 13 in the second hardness detecting unit 102 is surveyed, to generate soft water
Hardness determination signal, control unit 30 detect the hardness that signal judges soft water according to softened water hardness.
Specifically, in water softening device carries out softening process, raw water flows into water softening device by inlet pipeline 50, is flowed through in raw water
Pass through the first hardness detecting unit 101, and then the potential by detecting the first hardness detecting unit 101 during inlet pipeline 50
Difference variation can obtain original water hardness.Next, raw water flows into the resin container 72 of soft brush treatment unit 70 by inlet pipeline 50
Softened, the soft water after softening enters outlet pipeline 60 by soft water outlet pipeline 71, and soft water is flowed out by outlet pipeline 60
The second hardness detecting units of Shi Liujing 102, so by detect the second hardness detecting unit 102 potential difference variation can obtain it is soft
The water hardness.
Two water quality testing units by being respectively arranged at the inlet pipeline of water softening device by the utility model embodiment as a result,
And outlet pipeline, so as to carry out hardness determination respectively to the raw water and soft water that flow through water softening device, so can to raw water and
The water quality of soft water is monitored.
One embodiment according to the present utility model, the water hardness detection device for water softening device can also be by the original of detection
The water hardness and softened water hardness feed back to user, are connected with control unit 30 for example, being sent to original water hardness and softened water hardness
On display screen, or on the mobile terminal that is communicated with control unit 30.
One embodiment according to the present utility model, control unit 30 can also be according to the softened water hardness that detection obtains to water outlet
It is adjusted, to be obtained by mixing the water of default hardness with raw water, such as raw water is mixed according to preset ratio to obtain with soft water
The water of hardness must be preset.
One embodiment according to the present utility model, as in Figure 3-5, water softening device 200 further include control valve 90, control valve
90 are connected with control unit 30, and control unit 30 is in first state so that inlet pipeline 50 and water outlet by controlling control valve 90
Pipeline 60 is respectively communicated with soft brush treatment unit 70, and is in the second state so that inlet pipeline 50 is direct by controlling control valve 90
It is connected to outlet pipeline 60.
That is, when control valve 90 is in first state, the liquid into water softening device 200 can enter at the soft water of water softening device
It is discharged again by outlet pipeline 60 after reason unit 70, when control valve 90 is in the second state, the liquid into water softening device 200 passes through
Outlet pipeline 60 is discharged.
Wherein, the first state of control valve 90 can be used for the softening process of water softening device 200, and the second state of control valve 90 can
Cleaning process for water softening device 200.
Specifically, as in Figure 3-5, when water softening device 200 is in softening process, control unit 30 controls control valve 90
In first state, raw water enters soft brush treatment unit 70 by inlet pipeline 50, is obtained after the softening of soft brush treatment unit 70
Soft water again through outlet pipeline 60 flow out, to obtain soft water；When water softening device 200 is in cleaning process, control unit 30 controls
Control valve 90 is in the second state, and titer flows through inlet pipeline 50 and outlet pipeline 60, with to the first hardness detecting unit 101
It is cleaned with the second hardness detecting unit 102.
One embodiment according to the present utility model, as shown in Figure 3 and Figure 5, detergent line include 41 He of the first sub- pipeline
Second sub- pipeline 42, wherein one end of the first sub- pipeline 41 is connected to standard flow container, the other end connection water inlet of the first sub- pipeline 41
One end of pipeline 50, the second sub- pipeline 42 is connected to outlet pipeline 60, wherein control valve 90 is controlled when cleaning unit is cleaned
In the second state, so that titer passes sequentially through the first sub- pipeline 41, inlet pipeline 50, outlet pipeline 60 and the second sub- pipeline
42, and do not pass through soft brush treatment unit 70.
That is, titer is imported inlet pipeline 50 by water softening device 200 by the first sub- pipeline 41, titer passes through
It is discharged by the second sub- pipeline 42 after first hardness detecting unit 101 and the second hardness detecting unit 102, to be examined to the first hardness
It surveys unit 101 and the second hardness detecting unit 102 is cleaned.
Further, one embodiment according to the present utility model, the water hardness detection device for water softening device also wrap
Regeneration unit is included, regeneration unit includes regeneration pipeline 81 and regeneration flow container, wherein one end of regeneration pipeline 81 connects with regeneration flow container
Logical, the other end of regeneration pipeline 81 is connected to the inlet pipeline 50 of water softening device 200, wherein when regeneration unit is regenerated, control
Unit 30 processed controls control valve 90 and is in first state, and regenerated liquid passes sequentially through regeneration pipeline 81, inlet pipeline 50, soft brush treatment
Unit 70 and outlet pipeline 60, to be regenerated to the softener resin in resin container 72.
Further, a specific embodiment according to the present utility model, control unit 30 can be according to passing through water hardness
The recovery time of softener resin and the regeneration liquid measure for being provided to resin container 72 in detection setting resin container 72.
Specifically, one embodiment according to the present utility model, control unit 30 can be additionally used according to softened water hardness, soft water
The Ratio control regeneration unit of hardness and original water hardness is regenerated, for example, when softened water hardness is more than default hardness, control is single
First 30 controllable regeneration units regenerate softener resin, for another example, when the ratio of softened water hardness and original water hardness is more than first
When default ratio, control unit 30 can control regeneration unit to regenerate softener resin.Alternatively, control unit 30 can also be to soft
The water hardness and the difference of original water hardness do flow integral to obtain resin exchange capacity, and according to resin exchange capacity with it is complete
The Ratio control regeneration unit of exchange capacity is regenerated, for example, exchange capacity and the ratio of full exchange capacity ought be more than the
When two default ratio, control unit 30 can control regeneration unit to regenerate softener resin.
Further, one embodiment according to the present utility model, control unit 30 can also be according to calculated resins
Exchange capacity calculates regeneration liquid measure, and conveys regenerated liquid to resin container 72 according to the regeneration liquid measure.
In addition, one embodiment according to the present utility model, control unit 30 judges that softened water hardness does not meet preset condition,
For example, when softened water hardness is more than or equal to default hardness threshold value, prompting message is sent out, to remind user to stop using and replace soft water
Resin.
Specifically, when water softening device 200 is in reproduced state, control unit 30 controls control valve 90 and is in the first shape
State, regenerated liquid passes sequentially through regeneration pipeline 81 and inlet pipeline 50 enters soft brush treatment unit, and regenerated liquid carries out resin container 72
It is flowed out by outlet pipe 60 after regeneration treatment.
One embodiment according to the present utility model, control unit 30 are further used for, hard according to the hardness of soft water, soft water
It spends and is cleaned with the difference of the ratio or original water hardness of original water hardness and softened water hardness control cleaning unit.
That is, during water softening device softens hard water, hardness of the control unit 30 according to soft water, soft water
The ratio or original water hardness of hardness and original water hardness and the difference of softened water hardness judge whether to need to hardness detecting unit 10
That is the first hardness detecting unit 101 and the second hardness detecting unit 102 are cleaned, and are cleaned if necessary, then control list
Member 30 controls cleaning unit and is cleaned.
It should be noted that the setting of cleaning frequency can be with resin regeneration frequency dependence.Specifically, judge that cleaning unit is
The no condition cleaned can with judge regeneration unit whether to softener resin carry out it is regenerated consistent, in other words, can into
Resin regeneration carries out electrode clean to row again later successively, to simplify cleaning procedure.
The detection device of the utility model embodiment can be by cleaning hardness detecting unit, to carry as a result,
High rigidity accuracy of detection.
One embodiment according to the present utility model, as illustrated in figures 4-5, when water softening device 200 is in soft water state, control
Unit 30 controls control valve 90 and is in first state, and the first hardness detecting unit 101 that raw water flows through inlet pipeline 50 carries out original
The water hardness detects, and then flows into soft brush treatment unit 70 and is softened, soft water flows through the second hardness determination list of outlet pipeline 60
Member 101 carries out softened water hardness detection, is then out to obtain soft water；Control unit 30 according to go out the water hardness, softened water hardness with it is former
The data such as water hardness ratio judge whether the resin container 72 of soft brush treatment unit 70 needs to regenerate, if resin container 72 needs again
It is raw, then the resin container 72 that regenerated liquid passes sequentially through regeneration pipeline 81 and inlet pipeline 50 enters soft brush treatment unit 70 is controlled, with
Resin container 72 is regenerated；Control unit 30 can also be sentenced according to the data such as the water hardness, softened water hardness and original water hardness ratio are gone out
It is disconnected whether to need to being cleaned with the first hardness detecting unit 101 and the second hardness detecting unit 102, it is clear if necessary to carry out
It washes, then control unit 30 controls control valve 90 and is in the second state, and titer enters inlet pipeline 50 by the first sub- pipeline 41
To be cleaned to the first hardness detecting unit 101, outlet pipeline 60 is entered back into be carried out clearly to the second hardness detecting unit 102
It washes, is discharged finally by the second sub- pipeline 42.
To sum up, the water hardness detection device for water softening device proposed according to the utility model embodiment, hardness determination
Unit is arranged in the pipeline to be measured of water softening device, hardness detecting unit include substrate and the working electrode being disposed on the substrate and
Reference electrode, working electrode and ginseng when working electrode and reference electrode sense the testing liquid firmness change in pipeline to be measured
The potential difference examined between electrode changes, and voltage detection unit is by detecting the potential difference between working electrode and reference electrode
For situation of change to generate hardness determination signal, control unit judges the hardness of testing liquid according to hardness determination signal.As a result, originally
The detection device of utility model embodiment realizes water hardness detection by the potential difference between working electrode and reference electrode, from
And it is capable of the softening efficiency of accurate judgement water softening device, meanwhile, the structure of ion selective electrode method is simplified, reduces and is produced into
This, the user experience is improved.
The utility model embodiment additionally provides a kind of water softening device.
Fig. 6 is the block diagram according to the water softening device of the utility model embodiment.As shown in fig. 6, water softening device 200 includes
The above-mentioned water hardness detection device 100 for water softening device.
Led to by the water hardness detection device for water softening device according to the water softening device that the utility model embodiment proposes
The potential difference crossed between working electrode and reference electrode can be detected the hardness of water quality, consequently facilitating user understands soft water
The bating effect of machine, and the apparatus structure is simple, cost is relatively low.In addition, capableing of accurate judgement water softening device by hardness determination
Soften situation, and be generally applicable to the water softening device using nanofiltration, reverse osmosis membrane, softener resin, the user experience is improved.
Fig. 7 is the water hardness detection method for water softening device according to the utility model embodiment.As shown in fig. 6, this
The water hardness detection method for water softening device of utility model embodiment, includes the following steps：
S1：The potential difference situation of change in hardness detecting unit between working electrode and reference electrode is detected to generate hardness
Detect signal.
Wherein, hardness detecting unit is arranged in the pipeline to be measured of water softening device, and hardness detecting unit includes substrate and sets
Set working electrode and reference electrode on substrate, wherein wait for when working electrode and reference electrode sense in pipeline to be measured
Potential difference when surveying liquid hardness variation between working electrode and reference electrode changes.
S2：The hardness of testing liquid is judged according to hardness determination signal.
According to the water hardness detection method for water softening device that the utility model embodiment proposes, by detecting hardness inspection
The potential difference situation of change in unit between working electrode and reference electrode is surveyed to generate hardness determination signal, according to hardness determination
Signal judges the hardness of testing liquid.The detection method of the utility model embodiment as a result, can examine the hardness of water quality
It surveys, consequently facilitating user understands the bating effect of water softening device, and the apparatus structure is simple, and cost is relatively low.In addition, being examined by hardness
The softening situation for capableing of accurate judgement water softening device is surveyed, and is generally applicable to the soft water using nanofiltration, reverse osmosis membrane, softener resin
Machine, the user experience is improved.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on ... shown in the drawings
Or position relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be
Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is "above" or "below" second feature
Can be that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature and be directly above or diagonally above the second feature, or only
Indicate that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combines and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (12)
1. a kind of water hardness detection device for water softening device, which is characterized in that including：
Hardness detecting unit, the hardness detecting unit are arranged in the pipeline to be measured of the water softening device, the hardness determination list
Member includes substrate and setting working electrode and reference electrode on the substrate, wherein when the working electrode and described
Reference electrode sense when the testing liquid firmness change in the pipeline to be measured the working electrode and the reference electrode it
Between potential difference change；
Voltage detection unit, the voltage detection unit are connected with the hardness detecting unit, and the voltage detection unit passes through
The potential difference situation of change between the working electrode and the reference electrode is detected to generate hardness determination signal；
Control unit, described control unit are connected with the voltage detection unit, and described control unit is used for according to the hardness
Detection signal judges the hardness of the testing liquid.
2. the water hardness detection device according to claim 1 for water softening device, which is characterized in that the working electrode
It is configured to working region and non-active area with the reference electrode, wherein the working region is for sensing institute
The testing liquid in pipeline to be measured is stated, the non-active area is covered by waterproof layer.
3. the water hardness detection device according to claim 1 for water softening device, which is characterized in that the hardness determination
Unit is arranged on the inner tubal wall of the pipeline to be measured of the water softening device.
4. the water hardness detection device according to claim 1 for water softening device, which is characterized in that the voltage detecting
Unit and described control unit are arranged outside the pipeline to be measured, to be isolated with the testing liquid.
5. the water hardness detection device according to claim 1 for water softening device, which is characterized in that
When the working electrode and the discrete setting of the reference electrode, the working electrode and the reference electrode are miniature
Electrode；
When the working electrode and the integrally disposed reference electrode, the working electrode and the reference electrode pass through silk-screen
Printing setting is on the substrate or by depositing chemical wet etching setting on the substrate.
6. the water hardness detection device according to any one of claims 1-5 for water softening device further includes that cleaning is single
Member, the cleaning unit include detergent line and standard flow container, wherein the detergent line is connected to the pipeline to be measured, described
Titer in standard flow container is introduced the pipeline to be measured by cleaning unit by the detergent line, with to the working electrode
It is cleaned with the reference electrode.
7. the water hardness detection device according to claim 6 for water softening device, which is characterized in that the titer is
Calcium salt soln.
8. the water hardness detection device according to claim 6 for water softening device, which is characterized in that the water softening device packet
Include inlet pipeline, outlet pipeline and the soft brush treatment unit being arranged between the inlet pipeline and outlet pipeline, the soft water
Processing unit is used to carry out sofening treatment to the raw water for inputting the inlet pipeline, and is exported at softening by the outlet pipeline
The soft water obtained after reason,
Wherein, the hardness detecting unit is two, and in the inlet pipeline, second hard for first hardness detecting unit setting
Detection unit is spent to be arranged in the outlet pipeline；
Wherein, the voltage detection unit is by detecting working electrode and the reference electricity in first hardness detecting unit
Potential difference situation of change between pole detects signal to generate original water hardness, and by detecting second hardness detecting unit
Potential difference situation of change between middle working electrode and the reference electrode detects signal to generate softened water hardness；
Described control unit detects the hardness that signal judges the raw water according to the original water hardness, and according to the softened water hardness
Detection signal judges the hardness of the soft water.
9. the water hardness detection device according to claim 8 for water softening device, which is characterized in that the water softening device is also
Including control valve, the control valve is connected with described control unit, and described control unit is in the by controlling the control valve
One state is so that the inlet pipeline and the outlet pipeline are respectively communicated with the soft brush treatment unit, and pass through the control control
Valve processed is in the second state so that the inlet pipeline is directly connected to the outlet pipeline.
10. the water hardness detection device according to claim 9 for water softening device, which is characterized in that the cleaning pipe
Road includes the first sub- pipeline and the second sub- pipeline, wherein and one end of the first sub- pipeline is connected to the standard flow container, and described the
The other end of one sub- pipeline is connected to the inlet pipeline, and one end of the second sub- pipeline is connected to the outlet pipeline, wherein
The control valve is controlled when the cleaning unit is cleaned and is in the second state, so that the titer passes sequentially through
The first sub- pipeline, the inlet pipeline, the outlet pipeline and the second sub- pipeline, and do not pass through the soft brush treatment
Unit.
11. the water hardness detection device according to claim 10 for water softening device, which is characterized in that the control is single
Member is further used for, the ratio with the original water hardness or the raw water according to the hardness of the soft water, the softened water hardness
Hardness and the difference of the softened water hardness control the cleaning unit and are cleaned.
12. a kind of water softening device, which is characterized in that include the water for water softening device according to any one of claim 1-11
Matter rigidity detection device.
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| CN201721441532.4U CN207684988U (en) | 2017-11-01 | 2017-11-01 | Water softening device, the water hardness detection device for water softening device |
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| CN201721441532.4U CN207684988U (en) | 2017-11-01 | 2017-11-01 | Water softening device, the water hardness detection device for water softening device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109283302A (en) * | 2018-08-16 | 2019-01-29 | 南京福碧源环境技术有限公司 | A kind of water hardness detection system |
| CN109752426A (en) * | 2017-11-01 | 2019-05-14 | 芜湖美的厨卫电器制造有限公司 | Water softening device, water hardness detection device and detection method for water softening device |
| CN111018051A (en) * | 2019-12-05 | 2020-04-17 | 浙江沁园水处理科技有限公司 | Intelligent water softener and control method |
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| CN112694177A (en) * | 2019-10-22 | 2021-04-23 | 庆东纳碧安株式会社 | Apparatus and method for controlling water softener |
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| CN109752426A (en) * | 2017-11-01 | 2019-05-14 | 芜湖美的厨卫电器制造有限公司 | Water softening device, water hardness detection device and detection method for water softening device |
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| CN109283302A (en) * | 2018-08-16 | 2019-01-29 | 南京福碧源环境技术有限公司 | A kind of water hardness detection system |
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| CN111830220A (en) * | 2019-04-22 | 2020-10-27 | 华帝股份有限公司 | Water quality detection method and system and electric steam box with water quality detection function |
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| CN112694177A (en) * | 2019-10-22 | 2021-04-23 | 庆东纳碧安株式会社 | Apparatus and method for controlling water softener |
| US12084361B2 (en) | 2019-10-22 | 2024-09-10 | Kyungdong Navien Co., Ltd. | Apparatus and method for controlling water softener |
| CN111018051A (en) * | 2019-12-05 | 2020-04-17 | 浙江沁园水处理科技有限公司 | Intelligent water softener and control method |
| CN111410322A (en) * | 2020-02-28 | 2020-07-14 | 华电电力科学研究院有限公司 | Online intelligent circulating water softening treatment device and working method thereof |
| WO2023024813A1 (en) * | 2021-08-26 | 2023-03-02 | 青岛经济技术开发区海尔热水器有限公司 | Control method, apparatus and device for household appliance |
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