CN106730171A - A kind of acoustic control records the device and its circuit of insulin dosage automatically - Google Patents
A kind of acoustic control records the device and its circuit of insulin dosage automatically Download PDFInfo
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- CN106730171A CN106730171A CN201611210628.XA CN201611210628A CN106730171A CN 106730171 A CN106730171 A CN 106730171A CN 201611210628 A CN201611210628 A CN 201611210628A CN 106730171 A CN106730171 A CN 106730171A
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- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 102000004877 Insulin Human genes 0.000 title claims abstract description 45
- 108090001061 Insulin Proteins 0.000 title claims abstract description 45
- 229940125396 insulin Drugs 0.000 title claims abstract description 45
- 230000005236 sound signal Effects 0.000 claims abstract description 36
- 238000004458 analytical method Methods 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims description 19
- 239000007924 injection Substances 0.000 claims description 19
- 230000003321 amplification Effects 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 16
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 16
- 230000005611 electricity Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 241000209140 Triticum Species 0.000 claims 1
- 235000021307 Triticum Nutrition 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 244000301850 Cupressus sempervirens Species 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000496 pancreas Anatomy 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3327—Measuring
Abstract
A kind of acoustic control records the device and circuit of insulin dosage automatically, and the device is cylindrical case body structure, including：One cylindrical case body, it is arranged on first bottom shell body and the second bottom shell body of shell body bottom, the centre position of the second described inner housing is penetrated and offers microphone sound chamber, and perforate is provided with the top of described shell body, and the touch panel for starting collecting work is provided with described perforate；Described shell body is internally provided with circuit board, power supply and audio signal pickup unit, and described circuit board is connected with audio signal pickup unit, and described power supply is electrically connected with circuit board, described audio signal pickup unit is corresponding with microphone sound chamber position；The audio signal that the circuit energy automatic Picking novopen is rotated, is processed audio signal by identification, analysis, by calculating the number of times that square wave occurs, draws insulin dosage.
Description
Technical field
The present invention relates to the device that a kind of acoustic control records insulin dosage automatically, meanwhile, the present invention relates to a kind of sound
The circuit of the automatic record insulin dosage of control.
Background technology
By the use process for analyzing mechanical novopen, it has been found that it in insulin injection, the inside machine of pen
Tool gear is engaged, and can send a sound " click " in one units of insulin of every injection, is analyzed " click " by calculating of recording
The number of times that sound occurs, is also just able to know that and has injected how many units of insulin.The way of traditional voice identification is high-precision first
Sound is changed into data signal by degree sampling, then finds out the series of features point of " click " acoustical signal, by recognizing the similar spy of matching
Levy a number of times for occurring, it is possible to obtain the number of times of " click " sound appearance, that is to say the number of times of gear engagement, finally conversion draws pancreas
The dosage of island element injection.Due to needing the precision of sampled voice very high, and the workload of matching primitives is also very big, generally requires
The DSP of high cost high power consumption carrys out calculation process, power consumption at least in more than 50mA, typically at least more than 20 dollars of hardware cost.
The present invention analyzes and processes speech simulation signal using the combine analog circuit of low cost, eventually becomes square wave numeral
Signal, allows low cost microcontroller to calculate the number of times of " click " sound appearance by interrupting.Hardware cost can be within 2 dollars.
The content of the invention
It is an object of the invention to provide the dress that a kind of inexpensive, efficient acoustic control records insulin dosage automatically
Put.
Insulin dosage is recorded automatically another object of the present invention is to provide a kind of inexpensive, efficient acoustic control
Circuit.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of acoustic control records the device of insulin dosage automatically, and the device 1 is cylindrical case body structure, described sound
The automatic record injection dosage device 1 of control includes：One cylindrical case body 2, is arranged on first bottom shell body 3 and of the bottom of shell body 2
Two bottom shell bodies 4, the centre position of the second described inner housing 4 penetrates and offers microphone sound chamber 5, the top of described shell body 2
Portion is provided with perforate 6, and the touch panel 10 for starting collecting work is provided with described perforate 6；Described shell body 2 it is interior
Portion is provided with circuit board 7, power supply 8 and audio signal pickup unit 12, described circuit board 7 and the phase of audio signal pickup unit 12
Even, described power supply 8 is electrically connected with circuit board 7, and described audio signal pickup unit 12 is relative with 5 positions of microphone sound chamber
Should.
Described acoustic control records the device of insulin dosage automatically, is set on the lateral wall of described the first inner housing 3
There is spacer layer 9；Described the first bottom shell body 3 and the second bottom shell body 4 is tubular, and the first described bottom shell body 3 snaps onto shell body 2
Side, the second described bottom shell body 4 snaps onto the opposite side of shell body 2；Described the first bottom shell body 3 and the second bottom shell body 4
Between snapping or clamping coincide；Being provided with the surrounding inwall in described microphone sound chamber 5 reduces the rubber of noise for sealing
Pad；It is described that power subsystem 8 is using built-in button cell or rechargeable battery.
Described acoustic control records the device of insulin dosage automatically, and the side of described shell body 2 is provided with prompting dress
Put the warning device 11 of working condition；Described warning device 11 is buzzer siren or LED light；Described touch surface
Plate 10 is provided with one is used to show the display screen 61 of injection dosage.
A kind of acoustic control records the circuit of insulin dosage automatically, the sound that the circuit energy automatic Picking novopen is rotated
Frequency signal, is processed audio signal by identification, analysis, by calculating the number of times that square wave occurs, draws injection of insulin
Dosage.
Described acoustic control records the circuit of insulin dosage automatically, and the circuit includes：Pickup voice signal output mould
Intend the audio signal pick device 1 of waveform, the signal blocking unit 13 of signal blocking is realized using resistance-capacitance circuit, put using computing
Big device realizes the signal negative half period roll-over unit 14 of signal negative half period upset plus diode；Signal is realized using operational amplifier
The signal amplification unit 15 of amplification；The signal envelope integral unit 16 that envelope is integrated is realized using capacitance-resistance；Turned using comparator
Change envelope waveform to the signal comparing unit 17 of square wave；The micro controller unit 18 of the above-mentioned signal flow of control process；And be
Foregoing circuit provides the power subsystem 8 of working power；The external sound that described audio signal pickup unit 12 will be collected is defeated
Go out 9, this signal by becoming about the 0 volt analog waveform for shaking after signal blocking unit 13, then passes through letter with bias
Less than 0 volt of waveform is all turned to more than 0v by number negative half period roll-over unit 14, then again by the He of signal amplification unit 15
Output waveform 10 after signal envelope integral unit 16, eventually passes the output square-wave signal 11 of signal comparing unit 17 and arrives microcontroller
Device unit 18 is processed, and the interruption that micro controller unit 18 can be produced according to square-wave signal is counted, and draws what " click " sound occurred
Number of times.
Described acoustic control records the circuit of insulin dosage automatically, and described audio signal pick device 1 includes：Wheat
Gram wind U2,1 pin of microphone U2 connects the input of signal blocking unit 13；The 2 pin ground connection of microphone U2,3 pin of microphone U2
Meet power vd D；The silicon of the model SM0102B-NE381-X01 that described microphone U2 is produced using auspicious sound science and technology AAC companies
Microphone, can select other simulation microphones, from sensitivity improved signal to noise ratio higher, be conducive to improving measurement essence
Degree.
Described acoustic control records the circuit of insulin dosage automatically, described signal blocking unit 13 by connect
One electric capacity C1 and first resistor R1 is constituted, and first described electric capacity C1 one end is connected with the output end of audio signal pick device 1,
The other end of the first described electric capacity C1 is connected with first resistor R1, the other end ground connection of first resistor R1, the first described electricity
Hold the input of the indirect signal negative half period roll-over unit 14 of C1 and first resistor R1.
Described acoustic control records the circuit of insulin dosage automatically, and described signal negative half period roll-over unit 3 includes：
Two-way operational amplifier U1, high speed diode D1, second resistance R2,3rd resistor R3, the 4th resistance R4, two-way operational amplifier
1 pin of U1 connects, 3 pin of two-way operational amplifier U1,4 pin ground connection in parallel with 2 pin after high speed diode D1；Two-way operational amplifier
5 pin of U1 and the second resistance R2 and 3rd resistor R3 that connect, 6 pin of two-way operational amplifier U1 and indirect 4th electricity of 7 pin
Resistance R4,8 pin of two-way operational amplifier U1 connect the input of signal amplification unit 15.
Described acoustic control records the circuit of insulin dosage automatically, and described signal amplification unit 15 includes：Single channel
Operational amplifier U3, the 5th resistance R5, the 6th resistance R6,3 pin of described single channel operational amplifier U3 connect two-way operation amplifier
The input of device U1,2 pin of described single channel operational amplifier U3 are grounded, and 5 pin of described single channel operational amplifier U3 connect
VDD, 4 pin of described single channel operational amplifier U3 are connect between the 5th resistance R5 of series connection and the 6th resistance R6, the 5th resistance R5
Other end ground connection, the other end of the 6th resistance R6 is in parallel with 1 pin of described single channel operational amplifier U3 to be accumulated with signal envelope
The input of subdivision 16 is connected.
Described acoustic control records the circuit of insulin dosage automatically, and described signal envelope integral unit 16 includes：
7th resistance R7, the 8th resistance R8, the second electric capacity C2, the 3rd electric capacity C3, the 7th described resistance R7 connect with the 3rd electric capacity C3,
The output end of another termination signal amplification units 15 of the 7th described resistance R7, the other end and the 8th resistance R8 of the 3rd electric capacity C3
Parallel connection is followed by the input of signal comparing unit 17, and the other end ground connection of the 8th resistance R8, the second electric capacity C2 is connected in parallel on the 7th electricity
Between resistance R7 and the 3rd electric capacity C3, the other end ground connection of the second electric capacity C2.
Described acoustic control records the circuit of insulin dosage automatically, and described signal comparing unit 17 includes：Compare
Device U4, the 9th resistance R9 and the tenth resistance R10,3 pin of described comparator U4 connect the output end of signal envelope integral unit 16,
The 2 pin ground connection of described comparator U4,6 pin of described comparator U4 meet VDD, the 5 pin parallel resistances of described comparator U4
R9 and resistance R10 are grounded, and 4 pin of described comparator U4 are connect between parallel connection the 9th resistance R9 and the tenth resistance R10, described ratio
1 pin compared with device U4 connects the input of micro controller unit 18.
Described acoustic control records the circuit of insulin dosage, the 9th described resistance R9 and the tenth resistance R10 automatically
Composition bleeder circuit, is divided to the reference voltage that comparator is exported suitable value as the benchmark voltage of comparator.
Using the beneficial effects of the present invention are：By low cost, low-power consumption, succinct design, mechanical insulin is allowed
Pen can possess self registering ability with cheap accessory, and user allows common machine without buying insulin injection pen again
Tool formula insulin injection pen can possess automatic registering capacity.Additionally, acoustic control records injection dosage device automatically being noted with insulin
Penetrate between pen to dismount and coordinate convenient, the present invention can facilitate the more preferable long-period of management of the diabetic health of oneself.
Brief description of the drawings
Fig. 1 is the structural representation of documents 1；
Fig. 2 is the structural representation of documents 2；
Fig. 3 is the overall structure diagram of the embodiment of the present invention；
Fig. 4 is the opposite side overall structure diagram of the embodiment of the present invention；
Fig. 5 is fractionation structural representation of the invention；
Fig. 6 is use state schematic diagram of the invention；
Fig. 7 is square frame principle schematic diagram of the invention；
Fig. 8 is the circuit theory diagrams of Fig. 7；
Fig. 9 is the original waveform figure of audio signal pickup unit output；
Figure 10 is by the oscillogram after signal envelope integration；
Figure 11 is by the oscillogram after the treatment of signal comparing unit；
Wherein：
A~novopen 1~automatic record injection dosage device
The inner housing of 2~shell body 3~the first
4~the second inner housing 5~microphone sound chambers
61~display screen of perforate on 6~shell body
7~circuit board, 8~power subsystem
9~pad, 10~touch panel
11~warning device, 12~audio signal pickup unit
13~signal blocking unit 14~signal negative half period roll-over unit
15~signal amplification unit, 16~signal envelope integral unit
17~signal, 18~micro controller unit of comparing unit
U1~two-way operational amplifier U2~microphone
U3~single channel operational amplifier U4~comparator
D1~diode MCU~Bluetooth chip
R1~first resistor R2~second resistance
R3~3rd resistor R4~the 4th resistance
R5~the 5th resistance R6~the 6th resistance
R7~the 7th resistance R8~the 8th resistance
R9~the 9th resistance R10~the tenth resistance
C1~the first electric capacity C2~the second electric capacity
C3~the 3rd electric capacity
Specific embodiment
In order to be more clearly understood to technical characteristic of the invention, purpose and effect, now compare accompanying drawing 1 and illustrate this hair
Bright specific embodiment.
As shown in Figures 3 to 5, a kind of acoustic control records the device of insulin dosage automatically, and the device 1 is cylindrical case
Body structure, described acoustic control records injection dosage device 1 automatically to be included：One cylindrical case body 2, is arranged on the bottom of shell body 2
First bottom shell body 3 and the second bottom shell body 4, the centre position of the second described inner housing 4 penetrate and offer microphone sound chamber 5, institute
The top of the shell body 2 stated is provided with perforate 6, and the touch panel 10 for starting collecting work is provided with described perforate 6；Institute
The shell body 2 stated is internally provided with circuit board 7, power supply 8 and audio signal pickup unit 12, described circuit board 7 and audio
Signal pick-up unit 12 is connected, and described power supply 8 is electrically connected with circuit board 7, described audio signal pickup unit 12 and Mike
5 positions of wind sound chamber are corresponding；The lateral wall of the first described inner housing 3 is provided with spacer layer 9；The described He of the first bottom shell body 3
Second bottom shell body 4 is tubular, and the first described bottom shell body 3 snaps onto the side of shell body 2, the described snapping of the second bottom shell body 4
In the opposite side of shell body 2；Snapping or clamping coincide between the first described bottom shell body 3 and the second bottom shell body 4；Described Mike
Being provided with the surrounding inwall in wind sound chamber 5 reduces the rubber sheet gasket of noise for sealing；Described power subsystem 8 uses built-in knob
Button battery rechargeable battery；The side of described shell body 2 is provided with the warning device 11 of suggestion device working condition；Institute
The warning device 11 stated is buzzer siren or LED light；Described touch panel 10 be provided with one for show injection
The display screen 61 of dosage.
As shown in Fig. 7 to Figure 11, a kind of acoustic control records the circuit of insulin dosage automatically, the circuit energy automatic Picking
The audio signal that novopen is rotated, is processed audio signal by identification, analysis, by calculating the secondary of square wave appearance
Number, draws insulin dosage；The circuit includes：Pickup voice signal exports the audio signal pick device 1 of analog waveform,
The signal blocking unit 13 of signal blocking is realized using resistance-capacitance circuit, signal negative half is realized plus diode using operational amplifier
The signal negative half period roll-over unit 14 of week upset；The signal amplification unit 15 that signal amplifies is realized using operational amplifier；Using
Capacitance-resistance realizes the signal envelope integral unit 16 of envelope integration；Envelope waveform is changed using comparator to compare to the signal of square wave
Unit 17；The micro controller unit 18 of the above-mentioned signal flow of control process；And the power supply of working power is provided for foregoing circuit
Unit 8；The external sound output 9 that described audio signal pickup unit 12 will be collected, this signal passes through with bias
Become about the 0 volt analog waveform for shaking after signal blocking unit 13, then by signal negative half period roll-over unit 14 less than 0 volt
Waveform be all turned to more than 0v, then again by output wave after signal amplification unit 15 and signal envelope integral unit 16
Shape 10, eventually passes the output square-wave signal 11 of signal comparing unit 17 and is processed to micro controller unit 18, micro controller unit 18
The interruption that can be produced according to square-wave signal is counted, and draws the number of times that " click " sound occurs；Described audio signal pick device 1
Including：1 pin of microphone U2, microphone U2 connects the input of signal blocking unit 13；The 2 pin ground connection of microphone U2, microphone
3 pin of U2 meet power vd D；The model SM0102B-NE381- that described microphone U2 is produced using auspicious sound science and technology AAC companies
The silicon microphone of X01, also can select other simulation microphones, and signal to noise ratio can be improved from sensitivity microphone high, have
Beneficial to raising certainty of measurement；Described signal blocking unit 13 is made up of the first electric capacity C1 and first resistor R1 for connecting, described
First electric capacity C1 one end be connected with the output end of audio signal pick device 1, the other end and of described the first electric capacity C1
One resistance R1 is connected, and the other end ground connection of first resistor R1, the indirect signal of described the first electric capacity C1 and first resistor R1 is born
The input of half cycle roll-over unit 14；Described signal negative half period roll-over unit 14 includes：Two-way operational amplifier U1, high speed two
Pole pipe D1, second resistance R2,3rd resistor R3, the 4th resistance R4, after 1 pin of two-way operational amplifier U1 meets high speed diode D1
It is in parallel with 2 pin, 3 pin of two-way operational amplifier U1,4 pin ground connection；5 pin of two-way operational amplifier U1 and the second resistance connected
6 pin of R2 and 3rd resistor R3, two-way operational amplifier U1 and the indirect 4th resistance R4 of 7 pin, the 8 of two-way operational amplifier U1
Pin connects the input of signal amplification unit 15；Described signal amplification unit 15 includes：Single channel operational amplifier U3, the 5th resistance
R5, the 6th resistance R6,3 pin of described single channel operational amplifier U3 connect the input of two-way operational amplifier U1, described list
The 2 pin ground connection of road operational amplifier U3,5 pin of described single channel operational amplifier U3 meet VDD, described single channel operational amplifier
4 pin of U3 are connect between the 5th resistance R5 of series connection and the 6th resistance R6, the other end ground connection of the 5th resistance R5, the 6th resistance R6's
The other end is connected with the 1 pin parallel connection of described single channel operational amplifier U3 with the input of signal envelope integral unit 16；Described
Signal envelope integral unit 16 includes：7th resistance R7, the 8th resistance R8, the second electric capacity C2, the 3rd electric capacity C3, the described the 7th
Resistance R7 connects with the 3rd electric capacity C3, the output end of another termination signal amplification units 15 of the 7th described resistance R7, the 3rd electricity
Hold the other end input that is followed by signal comparing unit 17 in parallel with the 8th resistance R8 of C3, another termination of the 8th resistance R8
Ground, the second electric capacity C2 is connected in parallel between the 7th resistance R7 and the 3rd electric capacity C3, the other end ground connection of the second electric capacity C2；Described letter
Number comparing unit 17 includes：Comparator U4, the 9th resistance R9 and the tenth resistance R10,3 pin of described comparator U4 connect signal bag
The output end of network integral unit 16,2 pin of described comparator U4 are grounded, and 6 pin of described comparator U4 meet VDD, described
5 pin parallel resistance R9 and resistance the R10 ground connection of comparator U4,4 pin of described comparator U4 meet the 9th resistance R9 of parallel connection and the
Between ten resistance R10,1 pin of described comparator U4 connects the input of micro controller unit 18；Described the 9th resistance R9 and
Tenth resistance R10 constitutes bleeder circuit, the reference voltage that comparator is exported is divided to suitable value as the comparing of comparator
Reference voltage.
What is illustrated around here is：Two-way operational amplifier U1 is using the model TP1512's of Si Ruipu 3PEAK companies production
Two-way operational amplifier；The model SM0102B-NE381-X01 that described microphone U2 is produced using auspicious sound science and technology AAC companies
Silicon microphone, can select other simulation microphones；The type that single channel operational amplifier U3 is produced using Si Ruipu 3PEAK companies
Number for TP1511 single channel operational amplifier；The band of the model TP2021 that comparator U4 is produced using Si Ruipu 3PEAK companies
The comparator of reference voltage output；Diode D1 uses the high speed diode of model 1N4148；Microprocessor controller MCU is used
The Bluetooth chip of the model CYBL10563-68FNXIT of Sai Pulasi Cypress companies production.
Below in conjunction with accompanying drawing, the operation principle to circuit of the present invention is briefly described：As shown in Fig. 7 to Figure 11, sound
Frequency signal pick-up unit 12 is picked up for audio signal, the audio analog signals that output band is biased, by the first electric capacity C1 and the
Become the analog waveform with 0v as baseline after the block isolating circuit of one resistance R1 compositions, then by two-way operational amplifier U1, two poles
After pipe D1, second resistance R2,3rd resistor R3, the negative half period reverse circuit of the 4th resistance R4 compositions, the positive half cycle of waveform of output
Keep intact, negative half period flip horizontal to positive half cycle.Then signal is by single channel operational amplifier U3, the 5th resistance R5, the 6th
The amplifying circuit of resistance R6 compositions amplifies resistance (R6+R5)/R5 times, the waveform after output amplification.Again by the 7th resistance R7,
Eight resistance R8, the second electric capacity C2, the integration block isolating circuit of the 3rd electric capacity C3 compositions, go out the integral of pulse shape of ' click ' sound envelope and filter
Falling ripple shape bottom is than shallower part.It is last that envelope is changed into square wave output INT interruptions to microprocessor by comparator U4 again
Controller MCU, the 9th resistance R9 and the tenth resistance R10 constitute bleeder circuit, and the reference voltage that comparator U4 is exported is divided to
It is suitable to be worth as the benchmark voltage of comparator；The interruption that microprocessor controller MCU can be produced according to square-wave signal is carried out
Count, draw the number of times that " click " sound occurs.
As shown in fig. 6, a kind of novopen for recording insulin dosage device automatically using the acoustic control, described sound
The automatic record injection dosage device 1 of control is detachably arranged on the penholder of novopen A；Further, described acoustic control from
The clamping of dynamic record injection dosage device 1 is arranged on the penholder of novopen A.As shown in Figures 3 to 6, the present invention is suitable
Acoustic control for novopen records the shell body 2 of injection dosage device, the first bottom shell body 3 and the second bottom shell body 4 and constitutes automatically
One semiorbicular structure encases the penholder of novopen A, and the inwall of the first bottom shell body 3 has put spacer layer 9, general to set one layer
The rubber sheet gasket of thickness 1mm-3mm, optimum thickness is 2mm, and the diameter to novopen is related, makes the present invention with novopen
It is optimum thickness that penholder is in close contact；The centre position of the second bottom shell body 4 penetrates and is provided with microphone sound chamber 5, in order that microphone
Sound chamber 5 preferably absorbs sound, and being further provided with the surrounding inwall in microphone sound chamber 5 reduces the rubber of noise for sealing
Glue gasket, the vibrations that the gear engagement inside such novopen is produced just can be by microphone sound chamber 5 clearly by audio
Signal pick-up unit 12 is received.The signal that audio signal pickup unit 12 is received, by the hardware and software inside circuit board 7
After treatment, final insulin dosage is drawn, then can be shown on display screen 61, can also be by being integrated in circuit board
Wireless or wired communication capabilities inside 7 are transferred out.
The present invention is not separately provided switch key, and when hand holds novopen insulin injection, finger is pressed in touch surface
On plate 10, the start-up circuit plate 7 of audio signal pickup unit 12 is now just opened, start to gather sound, so design can be reduced
Power consumption, moreover it is possible to reduce noise jamming；Described power supply 8 is that the electronic components such as circuit board 7, touch panel 10 are powered, and it is used
Built-in button cell rechargeable battery, the mode of button cell such as be used in figure, it is also possible to by power supply direct
Body is arranged on circuit board 7；The side of described shell body 2 is provided with the warning device 11 of suggestion device working condition, is used for
The working condition of instruction equipment, for example low electricity of various alarms, injection dose ratio it is default excessive or very few etc., described report
Alarm device 11 is the forms such as buzzer siren or LED light.
Schematical specific embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any
Those skilled in the art, done equivalent variations and modification on the premise of design of the invention and principle is not departed from,
The scope of protection of the invention should be belonged to.
Claims (9)
1. a kind of acoustic control records the device of insulin dosage automatically, and the device (1) is cylindrical case body structure, and its feature exists
In：Described acoustic control records injection dosage device (1) automatically to be included：One cylindrical case body (2), is arranged on shell body (2) bottom
The first bottom shell body (3) and the second bottom shell body (4), the centre position of described the second inner housing (4) penetrates and offers microphone
Sound chamber (5), is provided with perforate (6) at the top of described shell body (2), be provided with described perforate (6) for starting collection work
The touch panel 10 of work；Described shell body (2) is internally provided with circuit board (7), power supply (8) and audio signal pickup unit
12, described circuit board (7) is connected with audio signal pickup unit 12, and described power supply (8) is electrically connected with circuit board (7), institute
The audio signal pickup unit (12) stated is corresponding with microphone sound chamber (5) position.
2. the device of insulin dosage is recorded automatically according to claim 1 acoustic control, it is characterised in that：The first described inner casing
The lateral wall of body (3) is provided with spacer layer (9)；Described the first bottom shell body (3) and the second bottom shell body (4) is tubular, described
First bottom shell body (3) snaps onto the side of shell body (2), and described the second bottom shell body (4) snaps onto the another of shell body (2)
Side；Snapping or clamping coincide between described the first bottom shell body (3) and the second bottom shell body (4)；Described microphone sound chamber (5)
Being provided with surrounding inwall reduces the rubber sheet gasket of noise for sealing；Described power subsystem (8) uses built-in button cell
Or rechargeable battery.
3. the device of insulin dosage is recorded automatically according to claim 1 acoustic control, it is characterised in that：Described shell body
(2) side is provided with the warning device (11) of suggestion device working condition；Described warning device (1) (1) is buzzer siren
Or LED light；Described touch panel 10 is provided with one is used to show the display screen (61) of injection dosage.
4. a kind of acoustic control records the circuit of insulin dosage automatically, it is characterised in that：The circuit energy automatic Picking insulin
The audio signal that pen is rotated, is processed audio signal by identification, analysis, by calculating the number of times that square wave occurs, is drawn
Insulin dosage.
5. acoustic control according to claim 4 records the circuit of insulin dosage automatically, it is characterised in that：It is described from
Dynamic discriminance analysis novopen injects the circuit of sound, and the circuit includes：The audio letter of pickup voice signal output analog waveform
Number pick device (1), signal blocking unit (2) of signal blocking is realized using resistance-capacitance circuit, and two are added using operational amplifier
Pole pipe realizes signal negative half period roll-over unit (3) of signal negative half period upset；The letter that signal amplifies is realized using operational amplifier
Number amplifying unit (4)；The signal envelope integral unit (5) that envelope is integrated is realized using capacitance-resistance；Envelope is changed using comparator
Signal comparing unit (6) of the waveform to square wave；The micro controller unit (7) of the above-mentioned signal flow of control process；And for above-mentioned
Circuit provides the power subsystem (8) of working power VDD；The external sound that described audio signal pickup unit (1) will be collected
Output (9), this signal band bias, by becoming about the 0 volt analog waveform for shaking after signal blocking unit (2), then
Less than 0 volt of waveform is all turned to more than 0v by signal negative half period roll-over unit (3), then amplifies single by signal again
Output waveform (10) after first (4) and signal envelope integral unit (5), eventually passes signal comparing unit (6) output square wave letter
Number (11) to micro controller unit (7) treatment, the interruption that micro controller unit (7) can be produced according to square-wave signal be counted,
Draw the number of times that " click " sound occurs.
6. acoustic control according to claim 5 records the circuit of insulin dosage automatically, it is characterised in that：Described sound
Frequency signal pickup device (1) includes：Microphone (U2), 1 pin of microphone (U2) connects the input of signal blocking unit (2)；Wheat
The 2 pin ground connection of gram wind (U2), 3 pin of microphone (U2) meet power vd D；Described microphone (U2) is used to gather sound output mould
Intend audio signal；Described signal blocking unit (2) is made up of the electric capacity (C1) and resistance (R1) connected, described electric capacity (C1)
One end is connected with the output end of audio signal pick device (1), and the other end of described electric capacity (C1) is connected with resistance (R1), electricity
Hinder the other end ground connection of (R1), the input of described electric capacity (C1) and indirect signal negative half period roll-over unit (3) of resistance (R1)
End.
7. acoustic control according to claim 5 records the circuit of insulin dosage automatically, it is characterised in that：Described letter
Number negative half period roll-over unit (3) includes：Two-way operational amplifier (U1), high speed diode (D1), resistance (R2), resistance (R3),
Resistance (R4), it is in parallel with 2 pin afterwards that 1 pin of two-way operational amplifier (U1) connects high speed diode (D1), two-way operational amplifier
(U1) 3 pin, 4 pin ground connection；5 pin of two-way operational amplifier (U1) and the resistance (R2) and resistance (R3) connected, two-way computing
6 pin of amplifier (U1) and the indirect resistance (R4) of 7 pin, 8 pin of two-way operational amplifier (U1) connect signal amplification unit (4)
Input；Described signal amplification unit (4) includes：Comparator (U3), resistance (R5), resistance (R6), described comparator
(U3) 3 pin connect the input of two-way operational amplifier (U1), and 2 pin of described comparator (U3) are grounded, described comparator
(U3) 5 pin meet VDD, and 4 pin of described comparator (U3) are connect between the resistance (R5) of series connection and resistance (R6), resistance (R5)
The other end is grounded, and the other end of resistance (R6) is in parallel with 1 pin of described comparator (U3) defeated with signal envelope integral unit (5)
Enter end to be connected.
8. acoustic control according to claim 5 records the circuit of insulin dosage automatically, it is characterised in that：Described letter
Number envelope integral unit (5) includes：Resistance (R7), resistance (R8), electric capacity (C2), electric capacity (C3), described resistance (R7) and electricity
Hold (C3) series connection, the output end of another termination signal amplification unit (4) of described resistance (R7), the other end and the electricity of electric capacity (C3)
Resistance (R8) parallel connection is followed by the input of signal comparing unit (6), and the other end ground connection of resistance (R8), electric capacity (C2) is connected in parallel on resistance
(R7) and electric capacity (C3) between, the other end ground connection of electric capacity (C2).
9. acoustic control according to claim 5 records the circuit of insulin dosage automatically, it is characterised in that：Described letter
Number comparing unit (6) includes：Comparator (U4), resistance (R9) and resistance (R10), 3 pin of described comparator (U4) connect signal
The output end of envelope integral unit (5), 2 pin of described comparator (U4) are grounded, and 6 pin of described comparator (U4) meet VDD,
5 pin parallel resistances (R9) and resistance (R10) ground connection of described comparator (U4), 4 pin of described comparator (U4) connect parallel connection
Between resistance (R9) and resistance (R10), 1 pin of described comparator (U4) connects the input of micro controller unit (7)；Described
Resistance (R9) and resistance (R10) composition bleeder circuit, are divided to the reference voltage that comparator is exported suitable value as comparing
The benchmark voltage of device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611210628.XA CN106730171A (en) | 2016-12-24 | 2016-12-24 | A kind of acoustic control records the device and its circuit of insulin dosage automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611210628.XA CN106730171A (en) | 2016-12-24 | 2016-12-24 | A kind of acoustic control records the device and its circuit of insulin dosage automatically |
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| Publication Number | Publication Date |
|---|---|
| CN106730171A true CN106730171A (en) | 2017-05-31 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611210628.XA Pending CN106730171A (en) | 2016-12-24 | 2016-12-24 | A kind of acoustic control records the device and its circuit of insulin dosage automatically |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108030978A (en) * | 2017-12-08 | 2018-05-15 | 福州康为网络技术有限公司 | A kind of novopen gathers transmission equipment |
| CN115054776A (en) * | 2022-06-15 | 2022-09-16 | 广州医科大学附属第三医院（广州重症孕产妇救治中心、广州柔济医院） | Insulin injection early warning system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108030978A (en) * | 2017-12-08 | 2018-05-15 | 福州康为网络技术有限公司 | A kind of novopen gathers transmission equipment |
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| CN115054776B (en) * | 2022-06-15 | 2023-09-08 | 广州医科大学附属第三医院（广州重症孕产妇救治中心、广州柔济医院） | Insulin injection early warning system and method |
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Application publication date: 20170531 |