CN109745056A - A kind of acidity-basicity tester and method - Google Patents
A kind of acidity-basicity tester and method Download PDFInfo
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- CN109745056A CN109745056A CN201910222270.XA CN201910222270A CN109745056A CN 109745056 A CN109745056 A CN 109745056A CN 201910222270 A CN201910222270 A CN 201910222270A CN 109745056 A CN109745056 A CN 109745056A
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Abstract
The present invention provides a kind of acidity-basicity tester and methods.Described device includes: detecting head, drive signal line, feedback signal line and control circuit；Wherein, the drive signal line is configured as receiving the first voltage signal inputted by the control circuit；The feedback signal line is configured as receiving second voltage signal, and exports the second voltage signal to the control circuit；The second voltage signal is the signal generated under dielectric effect by the first voltage signal；The control circuit is configured as exporting the first voltage signal to the drive signal line, receives the second voltage signal, and according to the first voltage signal, the second voltage signal, determine the pH value of the peripheral environment.The real-time monitoring to baby oral cavity pH value may be implemented in the present invention, in time find baby vomit milk and other can cause oral cavity pH value change it is physically different, to remind parent to handle or carry out in time medical inspection.
Description
Technical field
The present invention relates to infant nursing technical fields, more particularly to a kind of acidity-basicity tester and method.
Background technique
With the raising of people's living standard, the demand to infantile health nursing is also gradually increased.Indigestion
Or situations such as glutted be infant it is often the case that, at this point, would generally be with there is milk phenomenon of vomitting.If cannot send out in time
Existing, vomitus is assembled in the oral cavity to be formed oral foreign body and is likely to result in infant asphyxia, is especially slept soundly state in infant, parent
It is not observed at one's side in baby very likely, cannot find milk situation of vomitting in time, this hides some dangers for infantile health and life security.
It is associated in addition, the variation that existing medical experiment has proven to pH value of human body has with multinomial physiological activity, passes through pH value
Can be with a variety of diseases of auxiliary diagnosis, pH value is also in close relations with physical condition in oral cavity.Pass through the real-time prison of the intracavitary pH value of counterpart
It surveys, can note abnormalities in time and user is reminded to carry out medical inspection.
And how to check that the pH value in oral cavity of baby is current urgent problem to be solved in time.
Summary of the invention
The embodiment of the invention discloses a kind of acidity-basicity testers, comprising: detecting head, drive signal line, feedback signal
Line and control circuit；The drive signal line is arranged in pairs with the feedback signal line, and laid out in parallel is in the detecting head,
Using the peripheral environment of the detecting head as dielectric, capacitance type sensor is formed；The other end of the drive signal line and described
The other end of feedback signal line is electrically connected to the control circuit respectively；Wherein, the drive signal line, be configured as receive by
The first voltage signal of the control circuit input；The feedback signal line is configured as receiving second voltage signal, and to institute
It states control circuit and exports the second voltage signal；The second voltage signal is to be situated between by the first voltage signal in the electricity
The lower signal generated of matter effect；The control circuit is configured as exporting the first voltage signal to the drive signal line,
The second voltage signal is received, and according to the first voltage signal, the second voltage signal, determines the peripheral environment
PH value.
Preferably, the control circuit includes drive sub-circuits, current sense subcircuit, processor；Wherein, the driving
Sub-circuit is connected with one end of the drive signal line, is configured as receiving the first control signal that the central processing is sent,
The first voltage signal is generated according to the first control signal, and exports the first voltage letter to the drive signal line
Number；The current sense subcircuit is connected with one end of the feedback signal line, is configured as receiving the second voltage signal,
And the second voltage signal is exported to the processor；The processor is configurable to generate the first control signal, and
The first control signal is exported to the drive sub-circuits；The second voltage signal is received, and according to the first voltage
Signal, the second voltage signal and voltage and pH value Function Mapping relationship, determine the pH value of the peripheral environment.
Preferably, described device further include: infrared sensor；The infrared sensor, is configured as described in reception
The infrared signal of peripheral environment, and the infrared signal is exported to the control circuit；The control circuit, is also configured
To receive the infrared signal, the temperature value of the peripheral environment is determined according to the infrared signal.
Preferably, the control circuit further include: alarm module；The processor is additionally configured in the temperature value
In the case where the first set temperature threshold value, second control signal is generated, and send second control to the alarm module
Signal processed；The alarm module is configured as receiving the second control signal, issues temperature according to the second control signal
Excessively high warning message.
Preferably, the control circuit further include: alarm module；The processor is additionally configured in the pH value
In the case where default pH value threshold range, generates third and control signal, and send the third to the alarm module
Control signal；The alarm module, is configured as receiving the third control signal, issues acid according to third control signal
The warning message of basicity exception.
Preferably, the control circuit further include: wireless sending module；The processor is additionally configured to generate the 4th
Signal is controlled, and sends the 4th control signal to the wireless sending module；The wireless sending module is configured as connecing
The 4th control signal is received, sends the temperature value and/or the pH value according to the 4th control signal.
Preferably, the detecting head includes nipple head shell and pedestal interconnected, the drive signal line and described
Feedback signal line is arranged alternately in the nipple head shell, the control is electric along the circumferencial direction of the nipple head periphery
Road is set to the side on the pedestal far from the nipple head shell.
Preferably, the drive signal line and the feedback signal line are printed in the nipple head shell.
The embodiment of the invention also discloses a kind of pH value detection methods, are applied to pH value described in any of the above embodiments and examine
Survey device, comprising: export first voltage signal to detecting head；Receive second voltage signal；The second voltage signal is by institute
The signal that first voltage signal generates under the action of dielectric is stated, the dielectric is the peripheral environment of the detecting head；According to
According to the first voltage signal and the second voltage signal, the pH value of the peripheral environment is determined.
Compared with prior art, the present invention includes the following advantages:
The embodiment of the invention provides a kind of acidity-basicity tester and methods.The device includes: detecting head, driving signal
Line, feedback signal line and control circuit, drive signal line are arranged in pairs with feedback signal line, and laid out in parallel is in detecting head,
Using the peripheral environment of detecting head as dielectric, capacitance type sensor is formed, the other end of drive signal line and feedback signal line
The other end is electrically connected with control circuit respectively, wherein drive signal line is configured as receiving the first electricity by control circuit input
Press signal, feedback signal line, be configured as receive second voltage signal, and to control circuit export second voltage signal, second
Voltage signal is the signal generated under dielectric effect by first voltage signal, and control circuit is configured as to driving signal
Line exports first voltage signal, receives second voltage signal, and according to first voltage signal, the second voltage signal, determines
The pH value of peripheral environment.The survey of pH value in oral cavity of baby (i.e. pH value) can be realized by detecting head for the embodiment of the present invention
Amount, the real-time monitoring to the intracavitary pH value of baby mouth may be implemented, in time find baby vomit milk and other can cause pH value in oral cavity
What is changed is physically different, to remind parent to handle or carry out in time medical inspection.
Detailed description of the invention
Fig. 1 shows a kind of structural schematic diagram of acidity-basicity tester provided in an embodiment of the present invention；
Fig. 2 shows a kind of schematic diagrames of capacitance type transducers provided in an embodiment of the present invention；
Fig. 3 shows a kind of schematic diagram of plane-parallel capacitor model provided in an embodiment of the present invention；
Fig. 4 shows a kind of structural schematic diagram of control circuit provided in an embodiment of the present invention；
Fig. 5 shows a kind of step flow chart of pH value detection method provided in an embodiment of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Embodiment one
Referring to Fig.1, a kind of acidity-basicity tester provided in an embodiment of the present invention is shown.
As shown in Figure 1, the acidity-basicity tester may include: detecting head 1, drive signal line 3,4 and of feedback signal line
Control circuit 2；
Drive signal line 3 is arranged in pairs with feedback signal line 4, and laid out in parallel is in detecting head 1, with the outer of detecting head 1
Collarette border is dielectric, forms capacitance type sensor；The other end of drive signal line 3 and the other end difference of feedback signal line 4
It is electrically connected with control circuit 2；Wherein,
Drive signal line 3 can be configured as the first voltage signal for receiving and being inputted by control circuit 2；
Feedback signal line 4 can be configured as and receive second voltage signal, and export second voltage letter to control circuit 2
Number；Second voltage signal is the signal generated under dielectric effect by first voltage signal；
Control circuit 2 can be configured as to drive signal line 3 and export the first voltage signal, receive second voltage
Signal, and according to first voltage signal, second voltage signal, determine the pH value of peripheral environment.
The embodiment of the present invention forms capacitance type sensor by using the peripheral environment of detecting head 1 as dielectric, so as to
First voltage signal is exported from control circuit 2 to drive signal line 3, drive signal line 3 exports received first voltage signal
Into peripheral environment, by generating second voltage signal with dielectric interaction, and then should under the action of dielectric
Second voltage signal is exported to feedback signal line 4, and feedback signal line 4 can export second voltage signal to control circuit 2, control
Circuit 2 processed can determine the pH value (i.e. pH value) in peripheral environment according to first voltage signal and second voltage signal.
Next, above structure is described in detail respectively in connection with Figure of description.
In the embodiment of the present invention, the form of Pacifier is can be set into detecting head 1, its structure can be combined following
Preferred embodiment carries out detailed further below.
In a preferred embodiment of an embodiment of the present invention, detecting head 1 may include nipple head shell 6 interconnected
With pedestal 5, detecting head 1 is nipple head at this time, and drive signal line 3 and feedback signal line 4 can be along the circles of nipple head periphery
Circumferential direction is arranged alternately in nipple head shell 6, by the way that 3 He of drive signal line is arranged in the periphery side of nipple head shell 6
The comprehensive detection of the intracavitary progress of counterpart may be implemented in feedback signal line 4, improves Detection accuracy.
It is to be appreciated that drive signal line 3 and feedback signal line 4 are arranged in pairs, i.e. drive signal line 3 and feedback letter
Number line 4 in pairs, is arranged alternately in nipple head shell 6.
The lower ending opening side of pedestal 5 and nipple head shell 6 is connected with each other, so that the space of bottom end closure is formed, control electricity
Road 2 can be set in the side of nipple head shell 6 separate on pedestal 5.
One or more can be preset on the top (i.e. the one end of detecting head 1 far from nipple head shell 6) of detecting head 1
Through-hole, so as to form the structure of Pacifier.
And drive signal line 3 is set in nipple head shell 6 and when feedback signal line 4, it can be by drive signal line 3 and anti-
Feedback signal line 4 is printed in nipple head shell 6.
When using acidity-basicity tester provided in an embodiment of the present invention, by using the form of Pacifier, thus
When pH value (i.e. pH value) in subsequent detection oral cavity of baby, can suck Pacifier by infant be can be realized to baby
The intraoral pH value of child detects, and the detection of the intracavitary pH value of counterpart not only may be implemented, also, infant is for pacifying milk
The interest of mouth is more dense, improves usage experience.
In embodiments of the present invention, above-mentioned detecting head 1 and nipple head shell 6 can be made of silica gel, certainly, not only
It is limited to this, in practical applications, above-mentioned detecting head 1 can also be made using other materials and nipple head shell 6 specifically can
Depending on according to the actual situation, the embodiments of the present invention are not limited thereto.
By taking above-mentioned Pacifier as an example, the peripheral environment of detecting head is that detecting head 1, nipple head shell 6 and pedestal 5 are common
The semi-enclosed environment formed, and then capacitance type sensor can be formed using the semi-enclosed environment as dielectric, for example,
Referring to Fig. 2, a kind of schematic diagram of capacitance type sensor provided in an embodiment of the present invention is shown, as shown in Fig. 2, 8- electrode, 9-
Dielectric, electrode 8 that is, control circuit 2 shown in Fig. 1, dielectric 9 that is, be detecting head 1 shown in Fig. 1,
The semi-enclosed environment that nipple head shell 6 and pedestal 5 are collectively formed.
It is to be appreciated that above-mentioned example is merely to more fully understand the technical solution of the embodiment of the present invention and showing for enumerating
Example, not as the sole limitation to the embodiment of the present invention.
Next, the structure in conjunction with attached drawing for control circuit carries out detailed further below.
Referring to Fig. 4, a kind of structural schematic diagram of control circuit provided in an embodiment of the present invention is shown, as shown in figure 4, control
Circuit 2 processed may include drive sub-circuits 203, current sense subcircuit 202, processor 205.
Drive sub-circuits 203 can be connected with one end of drive signal line 3, and drive sub-circuits 203, which can be configured as, to be connect
The first control signal that processor 205 is sent is received, and generates first voltage signal according to first control signal, and to driving signal
Line 3 exports first voltage signal.
Current sense subcircuit 202 can be connected with one end of feedback signal line 4, and current sense subcircuit 202 can be by
It is configured to receive second voltage signal, and exports second voltage signal to processor 205.
Processor 205 can be configured as generation first control signal, and believe to first control of the output of drive sub-circuits 203
Number, and the second voltage signal exported by current sense subcircuit 203 is received, in turn, according to first voltage signal, second voltage
Signal and voltage and pH value Function Mapping relationship, determine the pH value of peripheral environment.
And since the peripheral environment of detecting head 1 forms capacitance type sensor, and capacitor calculation formula be referred to Fig. 3 into
Row is described below.
For example, referring to Fig. 3, a kind of schematic diagram of plane-parallel capacitor model provided in an embodiment of the present invention is shown,
As shown in figure 3,8- electrode, 9- dielectric.Capacitor calculation formula can be as shown in following formula (1):
In above-mentioned formula (1), ε indicates that dielectric dielectric coefficient between pole plate, S indicate the overlapping area of parallel plate electrode, d table
Show pole plate spacing, C indicates capacitor.
And in structure as shown in Figure 2, parameter S, d equivalence value is determined by device design structure, i.e., the two are joined
Number is constant, and ε is master variable, and C value also follows variation, and dielectric is made of peripheral environment (i.e. oral cavity) interior integrated environment, periphery
There are factors ε can be caused to change in environment, when pH value changes in peripheral environment, it is dense to be directly changed negative ions in oral cavity
Degree, is affected to dielectric coefficient, directly affects the high-frequency resistance of capacitance type transducers.Driving circuit is defeated to sensor loop
The high-frequency signal of fixed amplitude out, when the variation of sensor high-frequency resistance, the high-frequency current amplitude passed through also changes.By
This converts pH value variation in peripheral environment to the variation of current value, is used for subsequent data processing circuit.
And in practical applications, for other factors that can lead to the variation of ε value, mainly physical factor, influence effect
Fruit does not have pH value variation obvious, can be screened by threshold value, experiment correction, increase redundant node and corresponding recognizer is combined to arrange
It removes.
In embodiments of the present invention, voltage PH Function Mapping relationship, Jin Erke can also be preset in processor 205
Outer collarette is calculated in conjunction with the voltage PH Function Mapping relationship prestored according to first voltage signal and second voltage signal
The pH value in border.
In one preferred embodiment of the invention, the temperature value of peripheral environment can also be detected, specifically, pH value inspection
Device is surveyed other than the pH value in detection oral cavity of baby, the temperature value in oral cavity of baby can also be detected, specifically
Ground will carry out detailed further below in conjunction with attached drawing.
In embodiments of the present invention, acidity-basicity tester can also include: (the institute as Figures 1 and 4 of infrared sensor 7
Show), one end on pedestal 5 close to nipple head shell 6 can be set in infrared sensor 7, also, infrared sensor is arranged
7 photosurface is towards detecting head 1.
Infrared sensor 7 can be configured as the infrared signal for receiving peripheral environment, and export to control circuit 2 red
Outside line signal.
Control circuit 2 is also configured as the infrared signal of the output of receiving infrared-ray sensor 7, and believes according to infrared ray
Number to the infrared radiation power of application, the temperature value of peripheral environment is determined.
I.e. control circuit 2 can be scaled human body temperature according to the infra-red intensity that infrared sensor 7 receives.
And for how to be the more mature skill in this field according to the scheme that infra-red intensity is scaled human body temperature
Art, any method that infra-red intensity can be scaled to human body temperature can be applied to the present invention in the prior art,
The embodiment of the present invention is no longer described in detail herein.
In a preferred embodiment of an embodiment of the present invention, control circuit 2 can also include that infrared signal handles mould
Block 201 (as shown in Figure 4), infrared signal processing module 201 can believe that sensor 7 is connected with infrared ray.
Infrared signal processing module 20 can receive the infrared signal exported by infrared sensor 7, and to infrared
Line signal carries out integration processing, to generate the infrared signal after integration, and the infrared signal after integration is sent to place
Manage device 205.
Processor 205 is also configured as receiving the infrared signal after integration, and according to the infrared signal after integration
Determine peripheral environment temperature value,
It is to be appreciated that the infrared signal that outer red line sensor 7 detects is cannot to be transmitted directly to CPU (processor)
, thus, in the embodiment of the present invention, infrared signal processing module 201 is pre-set in control circuit 2, it can will be red
The infrared signal of outside line sensor detection is converted into numerical quantities and exports to CPU and handled, and obtains temperature value with detection.
In embodiments of the present invention, it can also issue and alarm in the case where the pH value detected is too high or too low, or
When the temperature value detected is excessively high, alarm is issued, specifically, is described in detail with embodiments discussed below.
In another preferred embodiment of the invention, control circuit 2 can also include alarm module 204 (such as Fig. 4 institute
Show).Alarm module 204 can be connected with processor 205.
Processor 205 is also configured as generating the second control in the case where temperature value is higher than the first set temperature threshold value
Signal processed, and second control signal is sent to alarm module 204；
Alarm module 204 can be configured as and receive second control signal and/or third control signal, and according to second
It controls signal and issues the excessively high warning message of temperature.
Certainly, processor 205 can be additionally configured in the case where pH value exceeds default pH value threshold range, raw
Signal is controlled at third, and sends third to alarm module 204 and controls signal；
Alarm module 204 can be additionally configured to receive third control signal, and issue soda acid according to third control signal
Spend abnormal warning message.
, can be when the temperature value of detection be excessively high in the embodiment of the present invention, and/or the pH value of detection is too high or too low
When, control signal is issued from processor to alarm module, to issue corresponding warning message by processor control alarm module, with
The intraoral temperature value for prompting user to detect is excessively high and/or pH value is too high or too low, to prompt user to solve in time, such as sees a doctor
Or take other remedy measures etc..
In embodiments of the present invention, it after detecting the pH value and/or temperature value in oral cavity of baby, can also will examine
The pH value and/or temperature value measured is sent to other equipment and is saved, and specifically, is carried out with embodiments discussed below detailed
Description.
In another preferred embodiment of the invention, control circuit 2 can also include: wireless sending module 206, wireless to send out
Send module 206 that can be connected with processor 205.
Processor 205 can be additionally configured to generate the 4th control signal, and send the 4th control to wireless sending module 206
Signal processed.
Wireless sending module 206 can be configured as the 4th control signal of reception, and control signal according to the 4th and send temperature
Angle value and/or pH value.
In the present invention, at least one receiving device can be the mobile electronic devices such as mobile phone, tablet computer, and usually
To the pH value in oral cavity of baby and/or after temperature value detects, parent can be adopted the pH value and/or temperature value of detection
It is recorded and is saved with equipment such as mobile phones, in order to the upgrowth situation of real-time statistics infant.
It will be appreciated that though may be described in embodiments of the present invention using term first, second, third, fourth etc.
Signal is controlled, but these control signals should not necessarily be limited by these terms.These terms are only used to control signal and are distinguished from each other out.Example
Such as, in the case where not departing from range of embodiment of the invention, first control signal can also be referred to as second control signal, similar
Ground, second control signal can also be referred to as first control signal.
PH value detection device provided in an embodiment of the present invention, comprising: detecting head, drive signal line, feedback signal line and control
Circuit processed, drive signal line are arranged in pairs with feedback signal line, and laid out in parallel is in detecting head, with the peripheral environment of detecting head
For dielectric, capacitance type sensor is formed, the other end of drive signal line and the other end of feedback signal line are electric with control respectively
Road electrical connection, wherein drive signal line is configured as receiving by the first voltage signal of control circuit input, feedback signal line,
It is configured as receiving second voltage signal, and exports second voltage signal to control circuit, second voltage signal is by the first electricity
The signal that pressure signal generates under dielectric effect, control circuit are configured as exporting first voltage signal to drive signal line,
Second voltage signal is received, and according to first voltage signal, the second voltage signal, determines the pH value of peripheral environment.This
The measurement of pH value in oral cavity of baby can be realized by detecting head for inventive embodiments, may be implemented to the real-time of baby oral cavity PH
Monitoring, find in time baby vomit milk and other that ph value of oral cavity can be caused to change is physically different, to remind parent to handle in time or
Carry out medical inspection.
Embodiment two
Referring to Fig. 5, a kind of step flow chart of pH value detection method provided in an embodiment of the present invention, the soda acid are shown
Degree detection method can be applied to acidity-basicity tester described in above-described embodiment one, can specifically include following steps:
Step 101: exporting first voltage signal to detecting head.
In embodiments of the present invention, pH value detection device may include detecting head, drive signal line, feedback signal line and control
Circuit processed.
It, can be by the processor (Central in control circuit in the pH value for the peripheral environment for needing to detect detecting head
Processing Unit, CPU) control signal is generated, and it is raw by the drive sub-circuits in control circuit by control signal control
It exports at first voltage signal, and by first voltage signal to the drive signal line being set in detecting head.
After exporting first voltage signal to detecting head, step 102 is executed.
Step 102: receiving second voltage signal；The second voltage signal is by the first voltage signal in dielectric
Under the action of the signal that generates, the dielectric is the peripheral environment of the detecting head.
After drive signal line receives first voltage signal, first voltage signal can be exported to the outer of detecting head
Collarette border, and then using the peripheral environment of detecting head as dielectric, under the action of dielectric, first voltage signal can be converted
For second voltage signal, and under the action of dielectric, second voltage signal is exported to feedback signal line.
Feedback signal line can be connect with the current sense subcircuit in control circuit, and feedback signal line is receiving second
After voltage signal, second voltage signal can be sent to by CPU by current sense subcircuit.
After receiving second voltage signal, step 103 is executed.
Step 103: according to the first voltage signal and the second voltage signal, determining the soda acid of the peripheral environment
Degree.
After CPU receives second voltage signal, it can be calculated according to first voltage signal and second voltage signal
To the pH value (i.e. pH value) of peripheral environment.
Specifically, peripheral environment is equivalent to a capacitance type sensor, and the calculation formula of capacitor can be such as following formula
(2) shown in:
In above-mentioned formula (1), ε indicates that dielectric dielectric coefficient between pole plate, S indicate the overlapping area of parallel plate electrode, d table
Show pole plate spacing, C indicates capacitor.
And in structure as shown in Figure 2, parameter S, d equivalence value is determined by device design structure, i.e., the two
Parameter is constant, and ε is master variable, and C value also follows variation, and dielectric is made of peripheral environment (i.e. oral cavity) interior integrated environment, outside
Collarette has factors ε can be caused to change within the border, when pH value changes in peripheral environment, is directly changed negative ions in oral cavity
Concentration is affected to dielectric coefficient, directly affects the high-frequency resistance of capacitance type transducers.Driving circuit is to sensor loop
The high-frequency signal for exporting fixed amplitude, when the variation of sensor high-frequency resistance, the high-frequency current amplitude passed through also changes.
Thus pH value variation in peripheral environment is converted to the variation of current value, is used for subsequent data processing circuit.
And in practical applications, for other factors that can lead to the variation of ε value, mainly physical factor, influence effect
Fruit does not have pH value variation obvious, can be screened by threshold value, experiment correction, increase redundant node and corresponding recognizer is combined to arrange
It removes.
Thus, it is possible to according to first voltage signal, second voltage signal, and above content is combined, it can be calculated outer
The domestic pH value of collarette.
Certainly, in embodiments of the present invention, voltage and pH value Function Mapping can also be pre-saved in control circuit
Relationship, and then can be according to the first voltage signal and second voltage signal received, in conjunction with the voltage and pH value prestored
The pH value of peripheral environment is calculated in Function Mapping relationship.
It can be described in detail with embodiments discussed below.
In one preferred embodiment of the invention, above-mentioned steps 103 may include:
Sub-step S1: the voltage difference between the first voltage signal and the second voltage signal is calculated；
Sub-step S2: it according to the voltage difference and pre-set voltage and pH value Function Mapping relationship, calculates
To the pH value of the peripheral environment.
In embodiments of the present invention, voltage and pH value Function Mapping relationship can be preset, the first electricity is being received
It presses signal under the action of dielectric, after the second voltage signal of generation, first voltage signal and second voltage can be calculated
Voltage difference between signal.
Then, it according to the voltage difference and pre-set voltage and pH value Function Mapping relationship being calculated, calculates
Obtain the pH value of peripheral environment.
In embodiments of the present invention, it is also provided with infrared sensor in pH value detection device, the infrared ray sensing
Device can be set in one end on pedestal close to detecting head, also, the photosurface of infrared sensor is towards detecting head side.
The infrared sensor can detecte the infrared signal of the peripheral environment of detecting head, and will by infrared sensor
The infrared signal of detection is sent to the infrared signal processing module of control circuit.
Infrared signal processing module can carry out integration processing to infrared signal, i.e., infrared signal is converted to number
Value, to be sent to CPU.
CPU can obtain the temperature value of peripheral environment according to the corresponding infrared radiation power of infrared signal.
Specifically, i.e. the infra-red intensity that CPU can be received according to infrared sensor is scaled human body temperature.And it is right
In how to be the more mature technology in this field according to the scheme that infra-red intensity is scaled human body temperature, in the prior art
The method that infra-red intensity can be scaled human body temperature by any one can be applied to the present invention, and the embodiment of the present invention exists
This is no longer described in detail.
After detection obtains the pH value and/or temperature value in peripheral environment, it can be will test by control circuit
PH value and/or temperature value are sent at least one receiving device, in order to the pH value and/or temperature value of the peripheral environment to detection
Real-time statistics are carried out, to monitor the upgrowth situation of infant.
In the present invention, can be when pH value be too high or too low, alert, can also be when temperature value be excessively high
Alert specifically, is described in detail with prompting user to see a doctor in time with embodiments discussed below.
In embodiments of the present invention, can also preset the first temperature threshold, the first set temperature threshold value can be by
Research staff's predetermined temperature threshold value is also possible to by user's predetermined temperature threshold value, specifically, can be for not
With detection crowd and pre-set temperature threshold, for example, detect crowd be infant when, can be by the first set temperature
Threshold value is arranged slightly higher, and is directed to Adult Groups, and the first set temperature threshold value can be arranged to slightly lower, tool
Body, can according to the actual situation depending on, the embodiments of the present invention are not limited thereto.
It is to be appreciated that above-mentioned example is merely to more fully understand the technical solution of the embodiment of the present invention and showing for enumerating
Example, not as the sole limitation to the embodiment of the present invention.
After detection obtains the temperature value of peripheral environment, temperature value and the first given threshold that can be will test are compared
Compared with.
In the case where the temperature value of detection is higher than the first set temperature threshold value, indicate that the user of detection has been likely to occur hair
The situations such as burning, and then the excessively high warning message of temperature can be issued, to remind user to see a doctor in time.
Specifically, wireless sending module is also preset in control circuit, CPU is being examined getting alarm module, CPU
In the case that the temperature value measured is higher than the first set temperature threshold value, control signal can be sent to alarm module, and by the control
Signal control alarm module processed issues the excessively high warning message of temperature.
First setting PH threshold value and the second setting PH threshold value can be by the preset PH threshold value of research staff, can also be with
Be by the preset PH threshold value of user, specifically, can for different detection crowds pre-set PH threshold value, example
Such as, can be by the slightly higher of the first setting PH threshold value setting when the crowd of detection is infant, the second setting PH threshold value is set
That sets is slightly lower, specifically, can according to the actual situation depending on, the embodiments of the present invention are not limited thereto.
Also, the second setting PH threshold value is greater than the first setting PH threshold value.
It is to be appreciated that above-mentioned example is merely to more fully understand the technical solution of the embodiment of the present invention and showing for enumerating
Example, not as the sole limitation to the embodiment of the present invention.
After detection obtains the pH value of peripheral environment, pH value and the first setting PH threshold value and second that can be will test are set
Determine PH threshold value to be compared.
In the case where the pH value of detection is higher than the first setting PH threshold value, the excessively high warning message of pH value can be issued, and
In the case where the pH value of detection is lower than the second setting PH threshold value, the too low warning message of pH value can be issued.
Specifically, wireless sending module is also preset in control circuit, CPU is being examined getting alarm module, CPU
In the case that the pH value measured is higher than the first setting PH threshold value, control signal can be sent to alarm module, and believed by the control
Number control alarm module issues the excessively high warning message of pH value.
Certainly, in the case where the pH value that CPU is detected is lower than the second setting PH threshold value, it can send and control to alarm module
Information processed, and the too low warning message of pH value is issued by control signal control alarm module.
PH value in oral cavity of baby can be realized in pH value detection method provided in an embodiment of the present invention by detecting head
Measurement, the real-time monitoring to baby oral cavity PH may be implemented, in time find baby vomit milk and other ph value of oral cavity can be caused to become
That changes is physically different, to remind parent to handle or carry out in time medical inspection.
For the various method embodiments described above, for simple description, therefore, it is stated as a series of action combinations, but
Be those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because according to the present invention, certain
A little steps can be performed in other orders or simultaneously.Secondly, those skilled in the art should also know that, it is retouched in specification
The embodiment stated belongs to preferred embodiment, and related actions and modules are not necessarily necessary for the present invention.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, commodity or the equipment that include a series of elements not only include that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, commodity or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in process, method, commodity or the equipment for including the element.
Above to a kind of acidity-basicity tester provided by the present invention and a kind of pH value detection method, carry out in detail
It introduces, used herein a specific example illustrates the principle and implementation of the invention, the explanation of above embodiments
It is merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to this
The thought of invention, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification is not answered
It is interpreted as limitation of the present invention.
Claims (10)
1. a kind of acidity-basicity tester characterized by comprising detecting head, drive signal line, feedback signal line and control electricity
Road；
The drive signal line is arranged in pairs with the feedback signal line, and laid out in parallel is in the detecting head, with the spy
The peripheral environment of gauge head is dielectric, forms capacitance type sensor；The other end of the drive signal line and the feedback signal
The other end of line is electrically connected to the control circuit respectively；Wherein,
The drive signal line is configured as receiving the first voltage signal inputted by the control circuit；
The feedback signal line is configured as receiving second voltage signal, and exports the second voltage to the control circuit
Signal；The second voltage signal is the signal generated under dielectric effect by the first voltage signal；
The control circuit is configured as exporting the first voltage signal to the drive signal line, receives second electricity
Signal is pressed, and according to the first voltage signal, the second voltage signal, determines the pH value of the peripheral environment.
2. the apparatus according to claim 1, which is characterized in that the control circuit includes drive sub-circuits, current detecting
Sub-circuit, processor；Wherein,
The drive sub-circuits are connected with one end of the drive signal line, are configured as receiving that the central processing sends the
One control signal generates the first voltage signal according to the first control signal, and exports institute to the drive signal line
State first voltage signal；
The current sense subcircuit is connected with one end of the feedback signal line, is configured as receiving the second voltage letter
Number, and the second voltage signal is exported to the processor；
The processor is configurable to generate the first control signal, and controls to drive sub-circuits output described first
Signal processed；The second voltage signal is received, and according to the first voltage signal, the second voltage signal and voltage and acid
Basicity Function Mapping relationship, determines the pH value of the peripheral environment.
3. the apparatus according to claim 1, which is characterized in that described device further include: infrared sensor；
The infrared sensor is configured as receiving the infrared signal of the peripheral environment, and defeated to the control circuit
The infrared signal out；
The control circuit, is additionally configured to receive the infrared signal, determines the periphery according to the infrared signal
The temperature value of environment.
4. device according to claim 3, which is characterized in that the control circuit further include: alarm module；
The processor is additionally configured to generate the second control in the case where the temperature value is higher than the first set temperature threshold value
Signal processed, and the second control signal is sent to the alarm module；
The alarm module is configured as receiving the second control signal, issues temperature mistake according to the second control signal
High warning message.
5. device according to claim 4, which is characterized in that the processor is additionally configured to super in the pH value
In the case where presetting pH value threshold range out, generates third and control signal, and send the third control to the alarm module
Signal processed；
The alarm module, is additionally configured to receive the third control signal, issues soda acid according to third control signal
Spend abnormal warning message.
6. device according to claim 3, which is characterized in that the control circuit further include: wireless sending module；
The processor is additionally configured to generate the 4th control signal, and sends the 4th control to the wireless sending module
Signal processed；
The wireless sending module, is configured as receiving the 4th control signal, sends institute according to the 4th control signal
State temperature value and/or the pH value.
7. the apparatus according to claim 1, which is characterized in that the detecting head include nipple head shell interconnected and
Pedestal, the drive signal line and the feedback signal line are arranged alternately along the circumferencial direction of the nipple head periphery in institute
It states in nipple head shell, the control circuit is set to the side on the pedestal far from the nipple head shell.
8. device according to claim 7, which is characterized in that the drive signal line and the feedback signal line are printed on
In the nipple head shell.
9. a kind of pH value detection method is applied to acidity-basicity tester described in any item of the claim 1 to 8, special
Sign is, comprising:
First voltage signal is exported to detecting head；
Receive second voltage signal；The second voltage signal is generated under the action of dielectric by the first voltage signal
Signal, the dielectric be the detecting head peripheral environment；
According to the first voltage signal and the second voltage signal, the pH value of the peripheral environment is determined.
10. according to the method described in claim 9, it is characterized in that, described according to the first voltage signal and described second
Voltage signal, the step of determining the pH value of the peripheral environment, comprising:
Calculate the voltage difference between the first voltage signal and the second voltage signal；
According to the voltage difference and pre-set voltage and pH value Function Mapping relationship, the peripheral environment is calculated
PH value.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910222270.XA CN109745056B (en) | 2019-03-22 | 2019-03-22 | PH value detection device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910222270.XA CN109745056B (en) | 2019-03-22 | 2019-03-22 | PH value detection device and method |
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| CN109745056B CN109745056B (en) | 2022-07-01 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203075245U (en) * | 2013-02-16 | 2013-07-24 | 深圳市资福技术有限公司 | Multifunctional placating nipple |
| CN104931555A (en) * | 2015-06-23 | 2015-09-23 | 好来化工(中山)有限公司 | Salivary pH (potential of hydrogen) value detection device and manufacturing method thereof |
| CN204758524U (en) * | 2015-05-15 | 2015-11-11 | 上海骏维实业有限公司 | Use pH glass electrode and metal telluric electricity field compound pH electrode as reference |
| US20160045160A1 (en) * | 2014-08-18 | 2016-02-18 | Klab Llc | Dental appliance for use in supporting sensing devices within an oral cavity |
| CN108309358A (en) * | 2018-01-31 | 2018-07-24 | 上海交通大学医学院附属上海儿童医学中心 | Nipple type detection device |
-
2019
- 2019-03-22 CN CN201910222270.XA patent/CN109745056B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203075245U (en) * | 2013-02-16 | 2013-07-24 | 深圳市资福技术有限公司 | Multifunctional placating nipple |
| US20160045160A1 (en) * | 2014-08-18 | 2016-02-18 | Klab Llc | Dental appliance for use in supporting sensing devices within an oral cavity |
| CN204758524U (en) * | 2015-05-15 | 2015-11-11 | 上海骏维实业有限公司 | Use pH glass electrode and metal telluric electricity field compound pH electrode as reference |
| CN104931555A (en) * | 2015-06-23 | 2015-09-23 | 好来化工(中山)有限公司 | Salivary pH (potential of hydrogen) value detection device and manufacturing method thereof |
| CN108309358A (en) * | 2018-01-31 | 2018-07-24 | 上海交通大学医学院附属上海儿童医学中心 | Nipple type detection device |
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