CN104950016A - TDS (Total Dissolved Solid) detection method and device - Google Patents
TDS (Total Dissolved Solid) detection method and device Download PDFInfo
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- CN104950016A CN104950016A CN201410729836.5A CN201410729836A CN104950016A CN 104950016 A CN104950016 A CN 104950016A CN 201410729836 A CN201410729836 A CN 201410729836A CN 104950016 A CN104950016 A CN 104950016A
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Abstract
The invention relates to a TDS (Total Dissolved Solid) detection method and device and belongs to the field of communication. The method comprises the following steps: setting first alternating voltage and second alternating voltage, wherein in the same alternating period, a high electrical level time period of the first alternating voltage and a high electrical level time period of the second alternating voltage have no overlapping; and when a TDS detection probe is used for carrying out TDS detection in a water path to be detected, applying the first alternating voltage and the second alternating voltage to two electrodes of the TDS detection probe respectively to carry out the TDS detection. The device comprises a first setting module and a triggering module. According to the TDS detection method and device provided by the invention, the two electrodes of the TDS detection probe can be effectively prevented from a polarization phenomenon by the alternating voltage so that the probe can stably and reliably work for a long period, errors are reduced and the TDS detection accuracy is improved.
Description
Technical field
The disclosure relates to Smart Home field, and (Total Dissolved Solids is called for short: TDS) detection method and device to particularly relate to a kind of total dissolved solidss.
Background technology
TDS is also known as dissolvability solid amount, and measuring unit is mg/litre (mg/L), and it shows to be dissolved with how many milligrams of soluble solids in 1 premium on currency.TDS value represents dissolved matter impurity content in water, and TDS value is larger, illustrates that the impurity content in water is large, otherwise, illustrate that the impurity content in water is little.TDS detects and widely uses in water treatment field, and increasing household water filter starts to increase TDS on-line checkingi function, to realize the real-time monitoring of water purifier discharge water water quality.
The main process that TDS detects is, pair of electrodes is inserted in water, after energising under the effect of electric field, charged ion produces the movement of certain orientation, making interelectrode aqueous solution generation current, by measuring two interelectrode conductances, being scaled the conductivity of aqueous solution by conductance, be scaled TDS by conductivity again, thus complete TDS detection.
At present, the common driving method of TDS detecting electrode applies pulse voltage on one of the electrodes, and the input voltage of another electrode is then always low level.This type of drive makes two electrodes that oxidation reaction and reduction reaction occur respectively, and produce polarization phenomena, an electrode surface is oxidized, and conductive area is changed, and have impact on the electric conductivity value of measurement, thus causes TDS value to occur gross error.
Summary of the invention
In view of this, present disclose provides a kind of total dissolved solidss TDS detection method and device, to reduce the error of TDS testing result, improve accuracy.
According to the first aspect of disclosure embodiment, a kind of TDS detection method is provided, comprises:
First alternating voltage and the second alternating voltage are set, the high level period of described first alternating voltage and the high level period zero lap of described second alternating voltage in same alternating cycles;
When use TDS detection probe carry out in water route to be measured TDS detect time, two electrodes of described TDS detection probe apply described first alternating voltage respectively and described second alternating voltage carries out TDS detection.
Optionally, described method also comprises:
The high level period of the high level period and described second alternating voltage that arrange described first alternating voltage in same alternating cycles is separated by the time interval of specifying.
Optionally, described method also comprises:
If also there is other TDS detection probe in described water route to be measured, then carry out in the process of TDS detection in described TDS detection probe, the electrode of other TDS detection probe described is set to high-impedance state or off-state.
Optionally, describedly arrange the first alternating voltage and the second alternating voltage, the high level period of described first alternating voltage and the high level period zero lap of described second alternating voltage in same alternating cycles, comprising:
According to the electrode sum in described water route to be measured, duty cycle threshold is set;
The dutycycle arranging described first alternating voltage and described second alternating voltage is all less than or equal to described duty cycle threshold, and in same alternating cycles the high level period of described first alternating voltage and the high level period zero lap of described second alternating voltage.
Optionally, described method also comprises:
If also there is other TDS detection probe in described water route to be measured, then for each electrode of other TDS detection probe described arranges a corresponding alternating voltage, the dutycycle of the alternating voltage that each electrode pair arranging other TDS detection probe described is answered all is less than or equal to described duty cycle threshold, and the alternating voltage high level period zero lap in described water route to be measured, any two electrodes applied in same alternating cycles.
Optionally, described duty cycle threshold is set according to the electrode sum in water route to be measured, comprises:
Obtain the electrode sum N in water route to be measured, duty cycle threshold is set to 1/N.
According to the second aspect of disclosure embodiment, provide a kind of TDS pick-up unit, described device comprises:
First arranges module, for arranging the first alternating voltage and the second alternating voltage, and the high level period of described first alternating voltage and the high level period zero lap of described second alternating voltage in same alternating cycles;
Trigger module, for when use TDS detection probe carry out in water route to be measured TDS detect time, two electrodes of described TDS detection probe apply described first alternating voltage respectively and described second alternating voltage carries out TDS detection.
Optionally, described device also comprises:
Second arranges module, and the high level period for the high level period and described second alternating voltage that arrange described first alternating voltage in same alternating cycles is separated by the time interval of specifying.
Optionally, described device also comprises:
3rd arranges module, if for also there is other TDS detection probe in described water route to be measured, then carry out in the process of TDS detection in described TDS detection probe, the electrode of other TDS detection probe described is set to high-impedance state or off-state.
Optionally, described first module be set comprise:
Threshold value arranges submodule, for arranging duty cycle threshold according to the electrode sum in described water route to be measured;
Voltage arranges submodule, dutycycle for arranging described first alternating voltage and described second alternating voltage is all less than or equal to described duty cycle threshold, and in same alternating cycles the high level period of described first alternating voltage and the high level period zero lap of described second alternating voltage.
Optionally, described device also comprises:
4th arranges module, if for also there is other TDS detection probe in described water route to be measured, then for each electrode of other TDS detection probe described arranges a corresponding alternating voltage, the dutycycle of the alternating voltage that each electrode pair arranging other TDS detection probe described is answered all is less than or equal to described duty cycle threshold, and the alternating voltage high level period zero lap in described water route to be measured, any two electrodes applied in same alternating cycles.
Optionally, described threshold value arrange submodule for, obtain in water route to be measured electrode sum N, duty cycle threshold is set to 1/N.
According to the third aspect of disclosure embodiment, a kind of TDS pick-up unit is provided, comprises:
Processor and the storer for storage of processor executable instruction;
Wherein, described processor is configured to:
First alternating voltage and the second alternating voltage are set, the high level period of described first alternating voltage and the high level period zero lap of described second alternating voltage in same alternating cycles;
When use TDS detection probe carry out in water route to be measured TDS detect time, two electrodes of described TDS detection probe apply described first alternating voltage respectively and described second alternating voltage carries out TDS detection.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect: arrange the first alternating voltage and the second alternating voltage, the high level period of described first alternating voltage and the high level period zero lap of described second alternating voltage in same alternating cycles; When using TDS detection probe to carry out TDS detection in water route to be measured, two electrodes of described TDS detection probe apply described first alternating voltage respectively and described second alternating voltage carries out TDS detection, this alternating voltage effectively can prevent two electrode generation polarization phenomena of TDS detection probe, ensure the work of probe long time stability, not only reduce error, improve the accuracy that TDS detects, and secondary pollution is not caused to water, for water quality monitoring brings great convenience.
Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing to be herein merged in instructions and to form the part of this instructions, shows embodiment according to the invention, and is used from instructions one and explains principle of the present invention.
Fig. 1 is the process flow diagram of a kind of TDS detection method according to an exemplary embodiment.
Fig. 2 is the process flow diagram of a kind of TDS detection method according to another exemplary embodiment.
Fig. 3 is the alternating voltage schematic diagram according to another exemplary embodiment.
Fig. 4 is the alternating voltage schematic diagram according to another exemplary embodiment.
Fig. 5 is the process flow diagram of a kind of TDS detection method according to another exemplary embodiment.
Fig. 6 is the block diagram of a kind of TDS pick-up unit according to another exemplary embodiment.
Fig. 7 is the block diagram of a kind of TDS pick-up unit according to another exemplary embodiment.
Fig. 8 is the block diagram of a kind of TDS pick-up unit according to another exemplary embodiment.
Fig. 9 is the block diagram of a kind of TDS pick-up unit according to another exemplary embodiment.
Figure 10 is the block diagram of a kind of TDS pick-up unit according to another exemplary embodiment.
Figure 11 is the block diagram of a kind of TDS pick-up unit according to another exemplary embodiment.
Figure 12 is the block diagram of a kind of TDS pick-up unit according to another exemplary embodiment.
Figure 13 is the block diagram of a kind of TDS pick-up unit according to another exemplary embodiment.
Figure 14 is the block diagram of a kind of TDS pick-up unit according to another exemplary embodiment.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Embodiment described in following exemplary embodiment does not represent all embodiments consistent with the present invention.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present invention are consistent.
Fig. 1 is the process flow diagram of a kind of TDS detection method according to an exemplary embodiment, and as shown in Figure 1, the method can be used for, in terminal or server, comprising the following steps.
In step s 11, the first alternating voltage and the second alternating voltage are set, the high level period of this first alternating voltage and the high level period zero lap of this second alternating voltage in same alternating cycles.
In step s 12, when using TDS detection probe to carry out TDS detection in water route to be measured, two electrodes of this TDS detection probe applying this first alternating voltage respectively and carries out TDS detection with this second alternating voltage.
In the present embodiment, have a TDS detection probe to carry out TDS detection in water route to be measured, in practical application excessively, also can have multiple TDS detection probe in water route to be measured, the present invention does not limit the number of TDS detection probe in water route to be measured.
In the present embodiment, TDS detects can obtain voltage across poles value accurately, and can obtain the conductance G of aqueous solution by point platen press, can calculate TDS value according to conductance G, computing formula is as follows:
g＝G*k；
TDS＝A*g；
Wherein, g is the conductivity of aqueous solution, and G is the conductance of aqueous solution, and k is electrode constant, and A is solution concentration coefficient.
In the present embodiment, the alternating cycles of the first alternating voltage and the second alternating voltage can be arranged as required, can be equal, or also can not wait, and optionally, is set to equal, does not limit herein.
In the present embodiment, optionally, said method can also comprise:
Arranging the high level period of this first alternating voltage and the high level period of this second alternating voltage in same alternating cycles is separated by the time interval of specifying.
Wherein, the described time interval of specifying can be arranged as required, and the present embodiment is not specifically limited this.When this time interval is zero, show that the finish time of the first alternating voltage high level in an alternating cycles is exactly start time of the second alternating voltage high level, these two moment overlap, if this time interval is non-vanishing, then show that these two moment do not overlap.
In the present embodiment, optionally, said method can also comprise:
If also there is other TDS detection probe in this water route to be measured, then carry out, in the process of TDS detection, the electrode of this other TDS detection probe being set to high-impedance state or off-state in this TDS detection probe.
In the present embodiment, optionally, describedly arrange the first alternating voltage and the second alternating voltage, the high level period of this first alternating voltage and the high level period zero lap of this second alternating voltage in same alternating cycles, can comprise:
According to the electrode sum in this water route to be measured, duty cycle threshold is set;
The dutycycle arranging this first alternating voltage and this second alternating voltage is all less than or equal to this duty cycle threshold, and in same alternating cycles the high level period of this first alternating voltage and the high level period zero lap of this second alternating voltage.
In the present embodiment, optionally, said method can also comprise:
If also there is other TDS detection probe in this water route to be measured, then for each electrode of other TDS detection probe described arranges a corresponding alternating voltage, the dutycycle of the alternating voltage that each electrode pair arranging this other TDS detection probe is answered all is less than or equal to this duty cycle threshold, and the alternating voltage high level period zero lap in this water route to be measured, any two electrodes applied in same alternating cycles.
In the present embodiment, optionally, described duty cycle threshold is set according to the electrode sum in water route to be measured, can comprises:
Obtain the electrode sum N in water route to be measured, duty cycle threshold is set to 1/N.
In the present embodiment, optionally, said method can also comprise:
After this TDS detection probe image data completes, stop applying this first alternating voltage and this second alternating voltage to two electrodes of this TDS detection probe.
The said method that the present embodiment provides, effectively can prevent two electrode generation polarization phenomena of TDS detection probe, ensures the work of probe long time stability, not only reduce error, improve the accuracy that TDS detects, and secondary pollution is not caused to water, for water quality monitoring brings great convenience.
Fig. 2 is the process flow diagram of a kind of TDS detection method according to another exemplary embodiment, and as shown in Figure 2, the method can be used for, in terminal or server, comprising the following steps.
In the step s 21, duty cycle threshold is set according to the electrode sum in water route to be measured.
Wherein, this step can comprise the steps:
Obtain the electrode sum N in water route to be measured, duty cycle threshold is set to 1/N.
Usually, a TDS detection probe there are two electrodes, therefore, the number of electrode in water route to be measured can be learnt according to the number of TDS detection probe in water route to be measured.
Such as, have 2 TDS detection probe in water, then in water, electrode adds up to 4, duty cycle threshold can be set to 25%, or has 1 TDS detection probe in water, then in water, electrode adds up to 2, duty cycle threshold can be set to 50%.
In step S22, the first alternating voltage and the second alternating voltage that dutycycle is all less than or equal to this duty cycle threshold are set, the high level period of this first alternating voltage and the high level period zero lap of this second alternating voltage in same alternating cycles and have the time interval of specifying.
Wherein, the highest value of dutycycle of the first alternating voltage and the second alternating voltage is described duty cycle threshold, optionally, much smaller than this duty cycle threshold, can reach better measurement effect, improves the accuracy of measurement result.
Such as, duty cycle threshold is 50%, then the dutycycle of the first alternating voltage is the dutycycle of the 15%, second alternating voltage is 20%, or the dutycycle of the first alternating voltage and the second alternating voltage is 10% etc., and the present embodiment is not specifically limited this.
Wherein, the described time interval can be arranged as required, and optionally, this time interval is non-vanishing, and concrete numerical value does not limit.
The high level period of described this first alternating voltage in same alternating cycles and the high level period zero lap of this second alternating voltage, refer in same alternating cycles, when the first alternating voltage is high level, second alternating voltage must be low level, when the second alternating voltage is high level, first alternating voltage must be low level, this mode can make in TDS detection probe two electrode surface oxidation reactions and reduction reaction promptly hocket, its result is equivalent to oxidation reaction and reduction reaction do not occur, thus avoid polarization of electrode phenomenon, reduce the error of testing result.
In step S23, when using TDS detection probe to carry out TDS detection in water route to be measured, two electrodes of this TDS detection probe applying this first alternating voltage respectively and carries out TDS detection with this second alternating voltage.
In step s 24 which, if also there is other TDS detection probe in this water route to be measured, then carry out, in the process of TDS detection, the electrode of this other TDS detection probe being set to high-impedance state or off-state in this TDS detection probe.
In the present embodiment, when also there is other TDS detection probe in water route to be measured, the situation that there is the work of multiple TDS detection probe in water route to be measured is described, now, the high level of certain electrode of a TDS detection probe may be there is, and produce loop between the low level of certain electrode that another TDS pops one's head in, thus crosstalk occurs, TDS testing result is impacted.By the electrode of other TDS detection probe is set to high-impedance state or off-state, make described TDS detection probe in the process of work, other TDS detection probe is in idle state, therefore can avoid the generation of crosstalk phenomenon, thus improves the accuracy of testing result.Described high-impedance state refers to that between two electrodes, no current produces, and is equivalent to existence infinitely-great resistance.Described off-state refers to that between two electrodes, no current produces, and is in the state of not conducting completely.Optionally, by the high-impedance state of switch control TDS detection probe or off-state, too much explanation can not done herein.
In the present embodiment, said method can also comprise:
After this TDS detection probe image data completes, stop applying this first alternating voltage and this second alternating voltage to two electrodes of this TDS detection probe.
Fig. 3 is the schematic diagram of a kind of alternating voltage according to another exemplary embodiment, as shown in Figure 3, has a TDS detection probe in water route to be measured, this probe has two electrodes, and these two electrodes apply alternating voltage TDS-1 and TDS-2 respectively.Determine that duty cycle threshold is 50% according to electrode sum, the dutycycle of alternating voltage TDS-1 and TDS-2 is 25%, and TDS-1 and TDS-2 can not occur high level simultaneously in any one alternating cycles.The voltage applied due to two electrodes is the alternating voltage of high frequency, and therefore the oxidation reaction of two electrode surfaces and reduction reaction hocket fast, can think and oxidation reaction and reduction reaction do not occur, thus reduce the error of detection.
Fig. 4 is the schematic diagram of a kind of alternating voltage according to another exemplary embodiment, as shown in Figure 4, has two TDS detection probe in water route to be measured, each probe has two electrodes.Two electrodes of first probe apply alternating voltage TDS1-1 and TDS1-2 respectively, two electrodes of second probe apply alternating voltage TDS2-1 and TDS2-2 respectively.Determine that duty cycle threshold is 25% according to electrode sum, the dutycycle arranging alternating voltage TDS1-1, TDS1-2, TDS2-1 and TDS2-2 is 20%.Further, can not there is high level in any two voltages in any one alternating cycles simultaneously, and namely pulse voltage misplaces between two, as shown in the figure.The voltage applied due to two electrodes is the alternating voltage of high frequency, and therefore the oxidation reaction of two electrode surfaces and reduction reaction hocket fast, can think and oxidation reaction and reduction reaction do not occur, thus reduce the error of detection.When starting the TDS value detecting water, the alternating voltage of two probes TDS1, TDS2 starts respectively, forms steady current between two electrodes of each probe self.When electrode TDS1-1 is high level, TDS1-2 is low level, and TDS2-1, TDS2-2 no-output is high-impedance state, and two electrodes on probe TDS1 form steady current, now start the detection of probe TDS1.When electrode TDS2-1 is high level, TDS2-2 is low level, and TDS1-1, TDS1-2 no-output is high-impedance state, and two electrodes on probe TDS2 form steady current, now start the detection of probe TDS2.Avoid by the way two TDS detection probe simultaneously image data cause crosstalk, further increase the accuracy of testing result.
The said method that the present embodiment provides, effectively can prevent two electrode generation polarization phenomena of TDS detection probe, ensures the work of probe long time stability, not only reduce error, improve the accuracy that TDS detects, and secondary pollution is not caused to water, for water quality monitoring brings great convenience.In addition, when there being multiple TDS detection probe in water route, can also ensure that Multi probe works mutually not crosstalk in the water route be communicated with simultaneously.
Fig. 5 is the process flow diagram of a kind of TDS detection method according to an exemplary embodiment, and as shown in Figure 5, the method can be used for, in terminal or server, comprising the following steps.
In step s 51, duty cycle threshold is set according to the electrode sum in water route to be measured.
Wherein, this step can comprise the steps:
Obtain the electrode sum N in water route to be measured, duty cycle threshold is set to 1/N.
In step S52, the first alternating voltage and the second alternating voltage that dutycycle is all less than or equal to this duty cycle threshold are set, and in same alternating cycles the high level period of this first alternating voltage and the high level period zero lap of this second alternating voltage.
In step S53, when using TDS detection probe to carry out TDS detection in water route to be measured, two electrodes of this TDS detection probe applying this first alternating voltage respectively and carries out TDS detection with this second alternating voltage.
In step S54, if also there is other TDS detection probe in this water route to be measured, then for each electrode of this other TDS detection probe arranges a corresponding alternating voltage, the dutycycle of the alternating voltage that each electrode pair arranging this other TDS detection probe is answered all is less than or equal to this duty cycle threshold, and the alternating voltage high level period zero lap in this water route to be measured, any two electrodes applied in same alternating cycles, carry out in the process of TDS detection in any one TDS detection probe, the electrode of all the other TDS detection probe is set to high-impedance state or off-state.
In the present embodiment, said method can also comprise:
After any one TDS detection probe image data completes, stop applying alternating voltage to two electrodes of this TDS detection probe.
The said method that the present embodiment provides, effectively can prevent two electrode generation polarization phenomena of TDS detection probe, ensures the work of probe long time stability, not only reduce error, improve the accuracy that TDS detects, and secondary pollution is not caused to water, for water quality monitoring brings great convenience.In addition, when there being multiple TDS detection probe in water route, can also ensure that Multi probe works mutually not crosstalk in the water route be communicated with simultaneously.
Fig. 6 is a kind of TDS pick-up unit block diagram according to an exemplary embodiment.With reference to Fig. 6, this device comprises first and arranges module 121 and trigger module 122.
This first arranges module 121 and is configured to, and arranges the first alternating voltage and the second alternating voltage, the high level period of this first alternating voltage and the high level period zero lap of this second alternating voltage in same alternating cycles.
This trigger module 122 is configured to, and when using TDS detection probe to carry out TDS detection in water route to be measured, two electrodes of this TDS detection probe applying this first alternating voltage respectively and carries out TDS detection with this second alternating voltage.
With reference to Fig. 7, in the present embodiment, optionally, described device can also comprise:
Second arranges module 123, and the high level period for the high level period and described second alternating voltage that arrange described first alternating voltage in same alternating cycles is separated by the time interval of specifying.
With reference to Fig. 8, in the present embodiment, optionally, said apparatus can also comprise:
3rd arranges module 124, if for also there is other TDS detection probe in this water route to be measured, then carries out, in the process of TDS detection, the electrode of this other TDS detection probe being set to high-impedance state or off-state in this TDS detection probe.
With reference to Fig. 9, in the present embodiment, optionally, described first arranges module 121 comprises:
Threshold value arranges submodule 121a, for arranging duty cycle threshold according to the electrode sum in described water route to be measured;
Voltage arranges submodule 121b, dutycycle for arranging described first alternating voltage and described second alternating voltage is all less than or equal to described duty cycle threshold, and in same alternating cycles the high level period of described first alternating voltage and the high level period zero lap of described second alternating voltage.
With reference to Figure 10, in the present embodiment, optionally, said apparatus can also comprise:
4th arranges module 125, if for also there is other TDS detection probe in this water route to be measured, then for each electrode of other TDS detection probe described arranges a corresponding alternating voltage, the dutycycle of the alternating voltage that each electrode pair arranging this other TDS detection probe is answered all is less than or equal to this duty cycle threshold, and the alternating voltage high level period zero lap in this water route to be measured, any two electrodes applied in same alternating cycles.
In the present embodiment, optionally, described threshold value arrange submodule 121a for:
Obtain the electrode sum N in water route to be measured, duty cycle threshold is set to 1/N.
With reference to Figure 11, in the present embodiment, optionally, said apparatus can also comprise:
Closing module 126, for after this TDS detection probe image data completes, stops applying this first alternating voltage and this second alternating voltage to two electrodes of this TDS detection probe.
About the device in above-described embodiment, wherein the concrete mode of modules executable operations has been described in detail in about the embodiment of the method, will not elaborate explanation herein.
Said apparatus in the present embodiment can be connected with two electrodes of TDS detection probe by wire at output port.When arranging electrode high resistance or off-state, can being that high resistant or off-state realize by arranging the output port of described device, not doing too much explanation herein.
The said apparatus that the present embodiment provides, effectively can prevent two electrode generation polarization phenomena of TDS detection probe, ensures the work of probe long time stability, not only reduce error, improve the accuracy that TDS detects, and secondary pollution is not caused to water, for water quality monitoring brings great convenience.In addition, when there being multiple TDS detection probe in water route, can also ensure that Multi probe works mutually not crosstalk in the water route be communicated with simultaneously.
Figure 12 is a kind of TDS pick-up unit block diagram according to another exemplary embodiment.With reference to Figure 12, this device comprises: processor 1201 and the storer 1202 for storage of processor executable instruction;
Wherein, this processor 1201 is configured to:
First alternating voltage and the second alternating voltage are set, the high level period of described first alternating voltage and the high level period zero lap of described second alternating voltage in same alternating cycles;
When use TDS detection probe carry out in water route to be measured TDS detect time, two electrodes of described TDS detection probe apply described first alternating voltage respectively and described second alternating voltage carries out TDS detection.
Figure 13 is the block diagram of a kind of TDS pick-up unit 800 according to an exemplary embodiment.Such as, device 800 can be mobile phone, computing machine, digital broadcast terminal, messaging devices, game console, tablet device, Medical Devices, body-building equipment, personal digital assistant etc.
With reference to Figure 13, device 800 can comprise following one or more assembly: processing components 802, storer 804, power supply module 806, multimedia groupware 808, audio-frequency assembly 810, the interface 812 of I/O (I/O), sensor module 814, and communications component 816.
The integrated operation of the usual control device 800 of processing components 802, such as with display, call, data communication, camera operation and record operate the operation be associated.Treatment element 802 can comprise one or more processor 820 to perform instruction, to complete all or part of step of above-mentioned method.In addition, processing components 802 can comprise one or more module, and what be convenient between processing components 802 and other assemblies is mutual.Such as, processing element 802 can comprise multi-media module, mutual with what facilitate between multimedia groupware 808 and processing components 802.
Storer 804 is configured to store various types of data to be supported in the operation of equipment 800.The example of these data comprises for any application program of operation on device 800 or the instruction of method, contact data, telephone book data, message, picture, video etc.Storer 804 can be realized by the volatibility of any type or non-volatile memory device or their combination, as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory (PROM), ROM (read-only memory) (ROM), magnetic store, flash memory, disk or CD.
The various assemblies that electric power assembly 806 is device 800 provide electric power.Electric power assembly 806 can comprise power-supply management system, one or more power supply, and other and the assembly generating, manage and distribute electric power for device 800 and be associated.
Multimedia groupware 808 is included in the screen providing an output interface between described device 800 and user.In certain embodiments, screen can comprise liquid crystal display (LCD) and touch panel (TP).If screen comprises touch panel, screen may be implemented as touch-screen, to receive the input signal from user.Touch panel comprises one or more touch sensor with the gesture on sensing touch, slip and touch panel.Described touch sensor can the border of not only sensing touch or sliding action, but also detects the duration relevant to described touch or slide and pressure.In certain embodiments, multimedia groupware 808 comprises a front-facing camera and/or post-positioned pick-up head.When equipment 800 is in operator scheme, during as screening-mode or video mode, front-facing camera and/or post-positioned pick-up head can receive outside multi-medium data.Each front-facing camera and post-positioned pick-up head can be fixing optical lens systems or have focal length and optical zoom ability.
Audio-frequency assembly 810 is configured to export and/or input audio signal.Such as, audio-frequency assembly 810 comprises a microphone (MIC), and when device 800 is in operator scheme, during as call model, logging mode and speech recognition mode, microphone is configured to receive external audio signal.The sound signal received can be stored in storer 804 further or be sent via communications component 816.In certain embodiments, audio-frequency assembly 810 also comprises a loudspeaker, for output audio signal.
I/O interface 812 is for providing interface between processing components 802 and peripheral interface module, and above-mentioned peripheral interface module can be keyboard, some striking wheel, button etc.These buttons can include but not limited to: home button, volume button, start button and locking press button.
Sensor module 814 comprises one or more sensor, for providing the state estimation of various aspects for device 800.Such as, sensor module 814 can detect the opening/closing state of equipment 800, the relative positioning of assembly, such as described assembly is display and the keypad of device 800, the position of all right pick-up unit 800 of sensor module 814 or device 800 1 assemblies changes, the presence or absence that user contacts with device 800, the temperature variation of device 800 orientation or acceleration/deceleration and device 800.Sensor module 814 can comprise proximity transducer, be configured to without any physical contact time detect near the existence of object.Sensor module 814 can also comprise optical sensor, as CMOS or ccd image sensor, for using in imaging applications.In certain embodiments, this sensor module 814 can also comprise acceleration transducer, gyro sensor, Magnetic Sensor, pressure transducer or temperature sensor.
Communications component 816 is configured to the communication being convenient to wired or wireless mode between device 800 and other equipment.Device 800 can access the wireless network based on communication standard, as WiFi, 2G or 3G, or their combination.In one exemplary embodiment, communication component 816 receives from the broadcast singal of external broadcasting management system or broadcast related information via broadcast channel.In one exemplary embodiment, described communication component 816 also comprises near-field communication (NFC) module, to promote junction service.Such as, can based on radio-frequency (RF) identification (RFID) technology in NFC module, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology, bluetooth (BT) technology and other technologies realize.
In the exemplary embodiment, device 800 can be realized, for performing said method by one or more application specific integrated circuit (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD) (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components.
In the exemplary embodiment, additionally provide a kind of non-transitory computer-readable recording medium comprising instruction, such as, comprise the storer 804 of instruction, above-mentioned instruction can perform said method by the processor 820 of device 800.Such as, described non-transitory computer-readable recording medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and optical data storage devices etc.
A kind of non-transitory computer-readable recording medium, when the instruction in described storage medium is performed by the processor of mobile terminal, make mobile terminal can perform a kind of TDS detection method, described method comprises:
First alternating voltage and the second alternating voltage are set, the high level period of described first alternating voltage and the high level period zero lap of described second alternating voltage in same alternating cycles;
When use TDS detection probe carry out in water route to be measured TDS detect time, two electrodes of described TDS detection probe apply described first alternating voltage respectively and described second alternating voltage carries out TDS detection.
Optionally, described method also comprises:
The high level period of the high level period and described second alternating voltage that arrange described first alternating voltage in same alternating cycles is separated by the time interval of specifying.
Optionally, described method also comprises:
If also there is other TDS detection probe in described water route to be measured, then carry out in the process of TDS detection in described TDS detection probe, the electrode of other TDS detection probe described is set to high-impedance state or off-state.
Optionally, describedly arrange the first alternating voltage and the second alternating voltage, the high level period of described first alternating voltage and the high level period zero lap of described second alternating voltage in same alternating cycles, comprising:
According to the electrode sum in described water route to be measured, duty cycle threshold is set;
The dutycycle arranging described first alternating voltage and described second alternating voltage is all less than or equal to described duty cycle threshold, and in same alternating cycles the high level period of described first alternating voltage and the high level period zero lap of described second alternating voltage.
Optionally, described method also comprises:
If also there is other TDS detection probe in described water route to be measured, then for each electrode of other TDS detection probe described arranges a corresponding alternating voltage, the dutycycle of the alternating voltage that each electrode pair arranging other TDS detection probe described is answered all is less than or equal to described duty cycle threshold, and the alternating voltage high level period zero lap in described water route to be measured, any two electrodes applied in same alternating cycles.
Optionally, described duty cycle threshold is set according to the electrode sum in water route to be measured, comprises:
Obtain the electrode sum N in water route to be measured, duty cycle threshold is set to 1/N.
The above-mentioned non-transitory computer-readable recording medium that the present embodiment provides, effectively can prevent two electrode generation polarization phenomena of TDS detection probe, ensure the work of probe long time stability, not only reduce error, improve the accuracy that TDS detects, and secondary pollution is not caused to water, for water quality monitoring brings great convenience.In addition, when there being multiple TDS detection probe in water route, can also ensure that Multi probe works mutually not crosstalk in the water route be communicated with simultaneously.
Figure 14 is the block diagram of a kind of TDS pick-up unit 1900 according to another exemplary embodiment.Such as, device 1900 may be provided in a server.With reference to Figure 14, device 1900 comprises processing components 1922, and it comprises one or more processor further, and the memory resource representated by storer 1932, can such as, by the instruction of the execution of processing element 1922, application program for storing.The application program stored in storer 1932 can comprise each module corresponding to one group of instruction one or more.In addition, processing components 1922 is configured to perform instruction, to perform the above method TDS detection method.
Device 1900 can also comprise the power management that a power supply module 1926 is configured to actuating unit 1900, and a wired or wireless network interface 1950 is configured to device 1900 to be connected to network, and input and output (I/O) interface 1958.Device 1900 can operate the operating system based on being stored in storer 1932, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or similar.
The said apparatus that the present embodiment provides, effectively can prevent two electrode generation polarization phenomena of TDS detection probe, ensures the work of probe long time stability, not only reduce error, improve the accuracy that TDS detects, and secondary pollution is not caused to water, for water quality monitoring brings great convenience.In addition, when there being multiple TDS detection probe in water route, can also ensure that Multi probe works mutually not crosstalk in the water route be communicated with simultaneously.
Those skilled in the art, at consideration instructions and after putting into practice invention disclosed herein, will easily expect other embodiment of the present invention.The application is intended to contain any modification of the present invention, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present invention and comprised the undocumented common practise in the art of the disclosure or conventional techniques means.Instructions and embodiment are only regarded as exemplary, and true scope of the present invention and spirit are pointed out by claim below.
Should be understood that, the present invention is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.Scope of the present invention is only limited by appended claim.
Claims (13)
1. a total dissolved solidss TDS detection method, is characterized in that, described method comprises:
First alternating voltage and the second alternating voltage are set, the high level period of described first alternating voltage and the high level period zero lap of described second alternating voltage in same alternating cycles;
When use TDS detection probe carry out in water route to be measured TDS detect time, two electrodes of described TDS detection probe apply described first alternating voltage respectively and described second alternating voltage carries out TDS detection.
2. method according to claim 1, is characterized in that, described method also comprises:
The high level period of the high level period and described second alternating voltage that arrange described first alternating voltage in same alternating cycles is separated by the time interval of specifying.
3. method according to claim 1, is characterized in that, described method also comprises:
If also there is other TDS detection probe in described water route to be measured, then carry out in the process of TDS detection in described TDS detection probe, the electrode of other TDS detection probe described is set to high-impedance state or off-state.
4. method according to claim 1, it is characterized in that, describedly arrange the first alternating voltage and the second alternating voltage, the high level period of described first alternating voltage and the high level period zero lap of described second alternating voltage in same alternating cycles, comprising:
According to the electrode sum in described water route to be measured, duty cycle threshold is set;
The dutycycle arranging described first alternating voltage and described second alternating voltage is all less than or equal to described duty cycle threshold, and in same alternating cycles the high level period of described first alternating voltage and the high level period zero lap of described second alternating voltage.
5. method according to claim 4, is characterized in that, described method also comprises:
If also there is other TDS detection probe in described water route to be measured, then for each electrode of other TDS detection probe described arranges a corresponding alternating voltage, the dutycycle of the alternating voltage that each electrode pair arranging other TDS detection probe described is answered all is less than or equal to described duty cycle threshold, and the alternating voltage high level period zero lap in described water route to be measured, any two electrodes applied in same alternating cycles.
6. method according to claim 4, is characterized in that, describedly arranges duty cycle threshold according to the electrode sum in water route to be measured, comprising:
Obtain the electrode sum N in water route to be measured, duty cycle threshold is set to 1/N.
7. a total dissolved solidss TDS pick-up unit, is characterized in that, described device comprises:
First arranges module, for arranging the first alternating voltage and the second alternating voltage, and the high level period of described first alternating voltage and the high level period zero lap of described second alternating voltage in same alternating cycles;
Trigger module, for when use TDS detection probe carry out in water route to be measured TDS detect time, two electrodes of described TDS detection probe apply described first alternating voltage respectively and described second alternating voltage carries out TDS detection.
8. device according to claim 7, is characterized in that, described device also comprises:
Second arranges module, and the high level period for the high level period and described second alternating voltage that arrange described first alternating voltage in same alternating cycles is separated by the time interval of specifying.
9. device according to claim 7, is characterized in that, described device also comprises:
3rd arranges module, if for also there is other TDS detection probe in described water route to be measured, then carry out in the process of TDS detection in described TDS detection probe, the electrode of other TDS detection probe described is set to high-impedance state or off-state.
10. method according to claim 7, is characterized in that, described first arranges module comprises:
Threshold value arranges submodule, for arranging duty cycle threshold according to the electrode sum in described water route to be measured;
Voltage arranges submodule, dutycycle for arranging described first alternating voltage and described second alternating voltage is all less than or equal to described duty cycle threshold, and in same alternating cycles the high level period of described first alternating voltage and the high level period zero lap of described second alternating voltage.
11. devices according to claim 10, is characterized in that, described device also comprises:
4th arranges module, if for also there is other TDS detection probe in described water route to be measured, then for each electrode of other TDS detection probe described arranges a corresponding alternating voltage, the dutycycle of the alternating voltage that each electrode pair arranging other TDS detection probe described is answered all is less than or equal to described duty cycle threshold, and the alternating voltage high level period zero lap in described water route to be measured, any two electrodes applied in same alternating cycles.
12. devices according to claim 10, is characterized in that, described threshold value arrange submodule for:
Obtain the electrode sum N in water route to be measured, duty cycle threshold is set to 1/N.
13. 1 kinds of total dissolved solidss TDS pick-up units, is characterized in that, described device comprises:
Processor and the storer for storage of processor executable instruction;
Wherein, described processor is configured to:
First alternating voltage and the second alternating voltage are set, the high level period of described first alternating voltage and the high level period zero lap of described second alternating voltage in same alternating cycles;
When use TDS detection probe carry out in water route to be measured TDS detect time, two electrodes of described TDS detection probe apply described first alternating voltage respectively and described second alternating voltage carries out TDS detection.
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| CN104950016B (en) | 2018-06-19 |
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