CN218412349U - Blood glucose parameter wireless detection circuit for astronaut - Google Patents
Blood glucose parameter wireless detection circuit for astronaut Download PDFInfo
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- CN218412349U CN218412349U CN202221045704.7U CN202221045704U CN218412349U CN 218412349 U CN218412349 U CN 218412349U CN 202221045704 U CN202221045704 U CN 202221045704U CN 218412349 U CN218412349 U CN 218412349U
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Abstract
The utility model discloses a blood sugar parameter wireless detection circuit for astronauts, which comprises a main control circuit, wherein the main control circuit supplies power through an LDO circuit, a 12-bit ADC end of the main control circuit is connected with a conditioning circuit, and an input end of the main control circuit is also connected with a Bluetooth antenna circuit and an attitude sensor circuit; the charging circuit is composed of two groups of battery interfaces and a battery management chip, wherein the battery management chip is respectively connected with the two groups of battery interfaces and is connected into the LDO circuit through one group of battery interfaces. This blood glucose parameter wireless detection circuit for astronaut uses biological enzyme on the probe to carry out blood glucose testing, can form the electric charge flow between the probe, produces weak electric current, and blood glucose detection circuit obtains weak electric current signal through 3 probes, then carries out proportion regulation and amplification, carries out data transmission through the bluetooth after advancing CC2640 collection at last.
Description
Technical Field
The utility model relates to a blood sugar detects technical field, specifically is blood sugar parameter wireless detection circuitry for astronaut.
Background
The blood glucose meter is an electronic instrument for measuring blood glucose level, and the blood glucose detection data given by the common blood glucose meter through measurement does not include corresponding blood glucose evaluation data (such as high blood glucose or normal blood glucose), so that a tester cannot know the blood glucose condition of the tester and cannot meet the requirements of users. Because the blood glucose condition is correlated with the time, the more intelligent blood glucose meter can analyze the blood glucose evaluation data of the tester according to the current measurement time and the blood glucose value.
The existing blood sugar detection device has the problems that data transmission is carried out through a wire bundle, and blood sugar data cannot be remotely acquired.
Disclosure of Invention
An object of the utility model is to provide a blood sugar parameter wireless detection circuit for astronaut has and forms the electric charge flow between the probe, produces weak electric current, and blood sugar detection circuit acquires weak electric current signal through 3 probes, then carries out proportion regulation and enlargies, advances at last to carry out data transmission's advantage through the bluetooth after CC2640 gathers, has solved the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: the blood glucose parameter wireless detection circuit for the astronaut comprises a main control circuit, wherein the main control circuit supplies power through an LDO circuit, a 12-bit ADC end of the main control circuit is connected with a conditioning circuit, and an input end of the main control circuit is also connected with a Bluetooth antenna circuit and an attitude sensor circuit;
the charging circuit consists of two groups of battery interfaces and battery management, wherein the battery management is respectively connected with the two groups of battery interfaces and is connected into the LDO circuit through one group of battery interfaces, and the output end of the LDO circuit is connected to the current acquisition circuit;
the output end of the current acquisition circuit is connected with the conditioning circuit, and the input end of the current acquisition circuit is connected with the probe interface.
Preferably, pin 2 and pin 4 of BQ24050 of the battery management chip are respectively connected in series with a resistor R10, a resistor R23 and pin 3 to be grounded in common, pin 10 of the chip U6 is connected to a parallel connection port of a resistor R19, a capacitor C23, a capacitor C36, a voltage VBAT and a battery interface TX3, pin 9 of the chip U6 is connected in series with a resistor R18 to be grounded, and pin 8 of the chip U6 is connected in series with a light emitting diode LED _ GREEN to be connected to the other end of the resistor R19.
Preferably, pins 44, 13, 22 and 34 of the CC2640R2FRGZR chip U14 of the main control circuit are connected in parallel with parallel connection ports of the capacitor C43, the capacitor C1, the capacitor C2 and the capacitor C3 to connect to a large-current patch magnetic bead LA6, the large-current patch magnetic bead LA6 is connected to 3.0v voltage for supplying 3.0v voltage, and pins 47 and 46 of the chip U14 are connected to the crystal oscillator Y1;
a pin 36 of the chip U14 is connected with a power acquisition end, pins 1 and 2 of the chip U14 are respectively connected with end corners 4 and 3 of a balancer FL1 chip, and an end corner 1 of the balancer FL1 chip is connected with a capacitor C21 and an inductor L7 and is converted through the balancer.
Preferably, the conditioning circuit comprises a current-voltage conversion circuit and a regulation conversion circuit.
Preferably, a pin 2 of an ADG702BRTZREEL7 chip Us1 in the current-voltage conversion circuit is connected to a parallel connection port of a MAX4238 auxx operation chip U1 end corner 4, a capacitor C12 and a resistor R12, the other end of the capacitor C12 and the other end of the resistor R12 is connected to an end corner 1 of the operation chip U1, an end corner 3 of the operation chip U1 is connected to a parallel connection port of a resistor R14 and a resistor R13, and an end corner 6 of the operation chip U1 is connected to a large-current patch magnetic bead LA1.
Preferably, the terminal angle 3 of the computing chip U2 of the adjusting and converting circuit is connected with the parallel connection port of the resistor R5 and the capacitor C10, the resistor R5 is connected with the parallel connection port of the resistor R8 and the capacitor C13, the resistor R11 and the resistor R6 are connected back to the terminal angle 1 of the computing chip U2, the terminal angle 4 of the computing chip U2 is connected with the parallel connection port of the other end of the resistor R9 and the resistor R11, and the terminal angle 6 of the computing chip U2 is connected with the terminal angle 6 of the computing chip U1;
the other end of the resistor R6 is connected with the parallel connection port of the capacitor C11 and the end corner 37 of the chip U6.
Compared with the prior art, the beneficial effects of the utility model are as follows:
this blood sugar parameter wireless detection circuit for astronaut uses the biological enzyme to carry out the blood sugar detection on the probe, can form the electric charge flow between the probe, produces weak electric current, and blood sugar detection circuit obtains weak electric current signal through 3 probes, then carries out proportion regulation and amplification, carries out data transmission through the bluetooth after advancing CC2640 collection at last, and blood sugar APP obtains blood sugar data and judges and take notes.
Drawings
FIG. 1 is an overall block diagram of the present invention;
fig. 2 is a schematic diagram of the charging circuit of the present invention;
FIG. 3 is a schematic diagram of the main control circuit of the present invention;
fig. 4 is a schematic diagram of a current-voltage conversion circuit of the present invention;
fig. 5 is a schematic diagram of the adjusting and switching circuit of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the blood glucose parameter wireless detection circuit for astronauts includes a main control circuit, the main control circuit supplies power through an LDO circuit, a 12-bit ADC end of the main control circuit is connected to a conditioning circuit, and an input end of the main control circuit is further connected to a bluetooth antenna circuit and an attitude sensor circuit;
the charging circuit is composed of two groups of battery interfaces and battery management, wherein the battery management is respectively connected with the two groups of battery interfaces and is connected into the LDO circuit through one group of battery interfaces, the output end of the LDO circuit is connected on the current acquisition circuit, the battery is a single lithium battery, and a specific model selection of the battery management chip BQ24050 is specified;
the output end of the current acquisition circuit is connected with the conditioning circuit, and the input end of the current acquisition circuit is connected with the probe interface.
Referring to fig. 2, a BQ24050 of the battery management chip has pin 2 and pin 4 of a chip U6 respectively connected in series with a resistor R10 and a resistor R23 and pin 3 to be grounded, pin 10 of the chip U6 is connected to a resistor R19, a capacitor C23, a capacitor C36, a voltage VBAT and a parallel port of a battery interface TX3, pin 9 of the chip U6 is connected in series with a resistor R18 to be grounded, and pin 8 of the chip U6 is connected in series with a light emitting diode LED _ GREEN to be connected to the other end of the resistor R19.
Referring to fig. 3, the CC2640R2FRGZR chip U14 of the main control circuit has voltage collecting capability, interfaces such as SPI, and bluetooth transmitting and collecting capability, the parallel interfaces of the pins 44, 13, 22, and 34 of the CC2640R2FRGZR chip U14 of the main control circuit are connected with the large-current patch magnetic bead LA6 through the parallel interfaces of the capacitor C43, the capacitor C1, the capacitor C2, and the capacitor C3, the large-current patch magnetic bead LA6 is connected with 3.0 voltage for supplying 3.0v voltage, and the pins 47 and 46 of the chip U14 are connected with the crystal oscillator Y1;
a pin 36 of the chip U14 is connected with a power acquisition end, pins 1 and 2 of the chip U14 are respectively connected with end corners 4 and 3 of a balancer FL1 chip, and an end corner 1 of the balancer FL1 chip is connected with a capacitor C21 and an inductor L7 and is converted through the balancer.
The conditioning circuit comprises a flow voltage conversion circuit and a regulation conversion circuit, the charge accumulation is carried out through a gating circuit, the gating is carried out after a period of time to obtain a current value, then the flow voltage conversion circuit, the conditioning amplification filter circuit and the acquisition circuit are carried out, and the current value, the conditioning amplification filter circuit and the acquisition circuit are converted into digital quantity signals to carry out Bluetooth transmission.
Referring to fig. 4, in the current-voltage conversion circuit, pin 2 of ADG702BRTZREEL7 chip Us1 is connected to the parallel connection port of MAX4238 auxx operation chip U1, end corner 4 of capacitor C12 and resistor R12, the other end of capacitor C12 and resistor R12 is connected to end corner 1 of operation chip U1, end corner 3 of operation chip U1 is connected to the parallel connection port of resistor R14 and resistor R13, end corner 6 of operation chip U1 is connected to large current magnetic bead LA1, and the current-voltage conversion circuit has channel gating and blocking for charge accumulation, and the output voltage changes with the change of input current.
Referring to fig. 5, an end corner 3 of an operation chip U2 of the adjustment conversion circuit is connected to parallel ports of a resistor R5 and a capacitor C10, the resistor R5 is connected to parallel ports of a resistor R8 and a capacitor C13, the capacitor C13, a resistor R11 and a resistor R6 are connected back to an end corner 1 of the operation chip U2, an end corner 4 of the operation chip U2 is connected to parallel ports of the other ends of the resistor R9 and the resistor R11, and an end corner 6 of the operation chip U2 is connected to an end corner 6 of the operation chip U1;
the other end of the resistor R6 is connected with the parallel connection port of the capacitor C11 and the end corner 37 of the chip U6.
When the biological enzyme on the probe is used for blood sugar detection, charge flow can be formed between the probes to generate weak current, the acquisition circuit accumulates the charge by cutting off a current loop and acquires the charge, so that the acquisition precision is improved, the acquisition front-end current-voltage conversion uses low noise, low drift and ultrahigh precision operational amplifier, and the direct current offset and drift are approximate to zero by adopting a self-zero calibration technology. Simultaneously, input offset is continuously measured and compensated, and drift caused by time drift, temperature drift and 1/f noise is eliminated. Carry out enlargiing once more and adc collection of signal after the stream pressure conversion, convert into blood glucose concentration at last and export APP through the bluetooth and carry out the data display.
The utility model discloses blood sugar acquisition circuit and blood sugar concentration conversion and transmission circuit, blood sugar detection circuitry obtain weak current signal through 3 probes, then carry out proportion regulation and amplification, advance at last and carry out data transmission through the bluetooth after CC2640 gathers, and blood sugar APP obtains blood sugar data and judges and the record.
In conclusion: this blood glucose parameter wireless detection circuit for astronaut uses biological enzyme to carry out blood glucose detection on the probe, can form the electric charge flow between the probe, produces weak electric current, and blood glucose detection circuit obtains weak electric current signal through 3 probes, then carries out proportion regulation and amplification, carries out data transmission through the bluetooth after advancing CC2640 collection at last, and blood glucose APP obtains blood glucose data and judges and the record.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Blood glucose parameter wireless detection circuit for astronaut, including master control circuit, its characterized in that: the main control circuit supplies power through the LDO circuit, a 12-bit ADC end of the main control circuit is connected with the conditioning circuit, and an input end of the main control circuit is also connected with the Bluetooth antenna circuit and the attitude sensor circuit;
the charging circuit consists of two groups of battery interfaces and battery management, wherein the battery management is respectively connected with the two groups of battery interfaces and is connected into the LDO circuit through one group of battery interfaces, and the output end of the LDO circuit is connected to the current acquisition circuit;
the output end of the current acquisition circuit is connected with the conditioning circuit, and the input end of the current acquisition circuit is connected with the probe interface.
2. The wireless blood glucose parameter detection circuit for the astronaut according to claim 1, wherein pin 2 and pin 4 of BQ24050 chip U6 of the battery management chip are respectively connected with a resistor R10 and a resistor R23 in series and are grounded with pin 3 in common, pin 10 of chip U6 is connected with a parallel port of a resistor R19, a capacitor C23, a capacitor C36, a voltage VBAT and a battery interface TX3, pin 9 of chip U6 is connected with a resistor R18 in series and is grounded, and pin 8 of chip U6 is connected with the other end of a light emitting diode LED _ GREEN resistor R19 in series.
3. The wireless blood glucose parameter detection circuit for the astronaut according to claim 1, wherein the pins 44, 13, 22 and 34 of the CC2640R2FRGZR chip U14 of the main control circuit are connected in parallel with the pins of the capacitor C43, the capacitor C1, the capacitor C2 and the capacitor C3, and the parallel interface is connected with a large current patch magnetic bead LA6, the large current patch magnetic bead LA6 is connected with 3.0v for supplying 3.0v, and the pins 47 and 46 of the chip U14 are connected with the crystal oscillator Y1;
a pin 36 of the chip U14 is connected with a power acquisition end, pins 1 and 2 of the chip U14 are respectively connected with end corners 4 and 3 of a balancer FL1 chip, and an end corner 1 of the balancer FL1 chip is connected with a capacitor C21 and an inductor L7 and is converted through the balancer.
4. The wireless blood glucose parameter detection circuit for astronauts as claimed in claim 1, wherein the conditioning circuit comprises a current-voltage conversion circuit and a regulation conversion circuit.
5. The wireless blood glucose parameter detection circuit for the astronauts as claimed in claim 4, wherein pin 2 of ADG702BRTZREEL7 chip Us1 in the current-voltage conversion circuit is connected with a parallel connection port of MAX4238AUTX operation chip U1 terminal angle 4, capacitor C12 and resistor R12, the other terminal of capacitor C12 and resistor R12 is connected with terminal angle 1 of operation chip U1, terminal angle 3 of operation chip U1 is connected with a parallel connection port of resistor R14 and resistor R13, and terminal angle 6 of operation chip U1 is connected with large current patch magnetic bead LA1.
6. The wireless blood glucose parameter detection circuit for the astronaut according to claim 4, wherein the terminal corner 3 of the computing chip U2 of the adjustment and conversion circuit is connected with the parallel port of the resistor R5 and the capacitor C10, the resistor R5 is connected with the parallel port of the resistor R8 and the capacitor C13, the capacitor C13 and the resistor R11 and the resistor R6 are connected back to the terminal corner 1 of the computing chip U2, the terminal corner 4 of the computing chip U2 is connected with the parallel port of the other end of the resistor R9 and the resistor R11, and the terminal corner 6 of the computing chip U2 is connected with the terminal corner 6 of the computing chip U1;
the other end of the resistor R6 is connected with the parallel port of the capacitor C11 and the end corner 37 of the chip U6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221045704.7U CN218412349U (en) | 2022-05-05 | 2022-05-05 | Blood glucose parameter wireless detection circuit for astronaut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221045704.7U CN218412349U (en) | 2022-05-05 | 2022-05-05 | Blood glucose parameter wireless detection circuit for astronaut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218412349U true CN218412349U (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221045704.7U Active CN218412349U (en) | 2022-05-05 | 2022-05-05 | Blood glucose parameter wireless detection circuit for astronaut |
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| Country | Link |
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| CN (1) | CN218412349U (en) |
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2022
- 2022-05-05 CN CN202221045704.7U patent/CN218412349U/en active Active
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Address after: 201600 1586 East Changxin Road, Dongjing Town, Songjiang District, Shanghai Patentee after: Shanghai Xiniu Intelligent Technology Co.,Ltd. Address before: 201600 1586 East Changxin Road, Dongjing Town, Songjiang District, Shanghai Patentee before: Shanghai Xiniu Intelligent Technology Co.,Ltd. |
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