CN116784844B - CGM detecting system with modularized continuous power supply - Google Patents
CGM detecting system with modularized continuous power supply Download PDFInfo
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- CN116784844B CN116784844B CN202310705042.4A CN202310705042A CN116784844B CN 116784844 B CN116784844 B CN 116784844B CN 202310705042 A CN202310705042 A CN 202310705042A CN 116784844 B CN116784844 B CN 116784844B
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- 239000003990 capacitor Substances 0.000 claims abstract description 37
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 239000008280 blood Substances 0.000 abstract description 8
- 210000004369 blood Anatomy 0.000 abstract description 8
- 238000012544 monitoring process Methods 0.000 abstract description 7
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 abstract description 4
- 239000008103 glucose Substances 0.000 abstract description 4
- 230000006641 stabilisation Effects 0.000 abstract description 4
- 238000011105 stabilization Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 201000001421 hyperglycemia Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 208000013016 Hypoglycemia Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003722 extracellular fluid Anatomy 0.000 description 1
- 230000002218 hypoglycaemic effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a modularized continuous power supply CGM detection system, which belongs to the technical field of blood glucose monitoring and comprises a transmitter, a power supply module and a CGM sensor; the power module comprises a battery which is built in the transmitter or the CGM sensor, a super capacitor which is used as a standby power supply and a continuous power supply circuit; the battery and the super capacitor are respectively connected with a continuous power supply circuit, the continuous power supply circuit is connected with a transmitter, and the transmitter is connected with a CGM sensor. Through the mode, the power module comprising the battery built in the emitter or the CGM sensor, the super capacitor serving as a standby power supply and the continuous power supply circuit is designed, when the external battery supplies power, the super capacitor is in a continuous charging state, once the battery is disconnected, the super capacitor can continuously supply power to the emitter through the continuous power supply circuit after voltage stabilization, an electronic switch can be adopted for automatic switching, the condition that power supply is not interrupted can be avoided, the problem of continuous navigation of the CGM can be solved, and the modularized continuous power supply is realized.
Description
Technical Field
The invention relates to the technical field of blood glucose monitoring, in particular to a modularized continuous power supply CGM (common-gas-liquid) detection system.
Background
CGM (ContinuousGlucoseMonitoring, continuous blood sugar monitoring) refers to a monitoring technology for indirectly reflecting the blood sugar level by monitoring the glucose concentration of subcutaneous interstitial fluid through a glucose sensor, can provide continuous, comprehensive and reliable all-day blood sugar information, knows the trend of blood sugar fluctuation, and discovers hidden hyperglycemia and hypoglycemia which are not easy to detect by the traditional monitoring method.
The CGM system is generally composed of a sensor and a transmitter 2, and the power supply is generally in 2 modes, wherein a battery is integrated on the sensor, and the battery is still used up. One type integrates a battery on the transmitter and can be used repeatedly by replacing the battery or charging water-proof.
But battery endurance has become a bottleneck for CGM; the service life of the CGM is composed of a sensor and a battery, and with the increasing of the sensor technology, the cruising ability of the battery becomes the bottleneck of the maximum CGM, and at present, only about 14 days can be achieved; in addition, due to the improvement of the detection requirement, the blood sugar monitoring interval of the CGM has evolved from the earliest 5 min to 1 time, which is 1 min to 1 time, and richer functions such as hyperglycemia vibration early warning are added, and users are reminded through vibration when the blood sugar is high; meanwhile, because of the need of acquiring patient data in batches, the CGM Bluetooth transmitting power is also required to be continuously increased so as to ensure the reliability and the range of communication; these functions certainly increase power consumption, and therefore, improvement of the power supply system of CGM has been urgent.
Based on the above, the invention designs a modularized continuous power supply CGM detection system to solve the above problems.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a modularized continuous power supply CGM detection system.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
A modularized continuous power supply CGM detection system comprises a transmitter, a power supply module and a CGM sensor;
The power module comprises a battery which is built in the transmitter or the CGM sensor, a super capacitor which is used as a standby power supply and a continuous power supply circuit; the battery and the super capacitor are respectively connected with a continuous power supply circuit, the continuous power supply circuit is connected with a transmitter, and the transmitter is connected with the CGM sensor;
The continuous power supply circuit comprises a power supply port, a super capacitor port and an output port; the source electrode of the power supply port is connected with the battery, and the drain electrode of the power supply port is connected with the super capacitor port through the diode A and the resistor A connected in series; the drain electrode of the power supply port is connected with the source electrode of the S end of the mos tube and the output port through the diode B, and the drain electrode of the D end of the mos tube is connected with the super capacitor port; the source electrode of the S end of the mos tube is connected with the output port; the power port is connected with the grid electrode of the terminal G of the mos tube through a resistor B and then grounded through a resistor C.
Still further, the super capacitor is mounted inside the transmitter.
Still further still include voltage stabilizing circuit, last power supply circuit is connected with voltage stabilizing circuit.
Furthermore, when the modularized continuous power supply CGM detection system is used, the method comprises the following steps:
Firstly, butting an emitter with a CGM sensor;
Then installing a power module;
Starting a CGM sensor, and starting detection work by the CGM sensor;
When the battery needs to be replaced, the old battery is taken down, and the super capacitor continuously supplies power to the transmitter;
and then the battery can be supplied with power again by replacing the new battery.
Furthermore, the output port of the power supply module is connected with the transmitter by adopting positive and negative dislocation 2-way output.
Further, the power module further includes a power management distribution circuit.
Further, the system also comprises a startup port.
Advantageous effects
According to the invention, through designing the power module comprising the battery built in the emitter or the CGM sensor, the super capacitor serving as a standby power supply and the continuous power supply circuit, when the external battery is powered, the super capacitor is in a continuous charging state, once the battery is disconnected, the super capacitor can continuously supply power to the emitter through the continuous power supply circuit after voltage stabilization, an electronic switch can be adopted for automatic switching, the power supply is not interrupted, the problem of CGM endurance can be solved, and the modularized continuous power supply is realized;
according to the invention, the startup port is designed, and is started in a short circuit mode, so that the port is physically connected and started, and the battery is completely disconnected before being installed, so that the power consumption problem is avoided;
the invention can adopt a fully-sealed system structure without internal sterilization, so that the whole system is easy and reliable to sterilize;
The output port of the power supply module is connected with the emitter by adopting positive and negative staggered 2 paths of output, the 4 paths of channels can be randomly and alternately supplied, only 2 paths of channels are required to be ensured to work normally, reliable connection power supply can be realized even if a port is accidentally in poor contact, even a short circuit condition exists, and an internal power supply management and distribution circuit can isolate the short-circuited pins through a protection mode.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a block diagram of a modular continuously powered CGM detection system of the present invention;
FIG. 2 is a connection block diagram of the modular continuously powered CGM detection system of the present invention;
FIG. 3 is a circuit diagram of a continuous power supply in a modular continuous power supply CGM detection system of the present invention;
FIG. 4 is a flow chart of the use of the modular continuously powered CGM detection system of the present invention;
Fig. 5 is a power supply redundancy connection diagram of the modular continuously powered CGM detection system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described below with reference to examples.
In some embodiments, referring to fig. 1-5 of the specification, a modularized continuous power supply CGM detection system includes a transmitter, a power module, and a CGM sensor;
The power module comprises a battery which is built in the transmitter or the CGM sensor, a super capacitor which is used as a standby power supply and a continuous power supply circuit; the battery and the super capacitor are respectively connected with a continuous power supply circuit, the continuous power supply circuit is connected with a transmitter, and the transmitter is connected with the CGM sensor;
Preferably, the super capacitor is installed inside the emitter;
the continuous power supply circuit comprises a power supply port, a super capacitor port and an output port;
The source electrode of the power supply port is connected with the battery, the drain electrode of the power supply port is connected with the super capacitor port through the diode A and the resistor A connected in series, and at the moment, electric energy charges the super capacitor through the diode A and the resistor A connected in series;
The drain electrode of the power supply port is connected with the source electrode of the S end of the mos tube and the output port through the diode B, and the drain electrode of the D end of the mos tube is connected with the super capacitor port; the source electrode of the S end of the mos tube is connected with the output port;
The power port is connected with the grid electrode of the terminal G of the mos tube through a resistor B and then grounded through a resistor C;
The super capacitor is isolated by the cut-off of the mos tube due to the existence of the voltage dividing resistor, and the diode C in the mos tube is cut-off due to the fact that the voltage of the S end of the mos tube is higher than the voltage of the D end; at the moment, the battery supplies power to the subsequent circuit through the lower diode B; when the battery is taken out, the voltage of the D end of the mos tube is larger than the voltage of the S end, and power is supplied through a diode in the super capacitor;
preferably, the power supply circuit further comprises a voltage stabilizing circuit, and the continuous power supply circuit is connected with the voltage stabilizing circuit; the continuous power supply circuit and the voltage stabilizing circuit jointly form a power supply protection and switching module;
When the external battery supplies power, the super capacitor is in a continuous charging state, once the battery is disconnected, the super capacitor can continuously supply power to the transmitter through a continuous power supply circuit after voltage stabilization, and the power supply can be automatically switched by adopting an electronic switch, so that the power supply is not interrupted;
When in use, the invention comprises the following steps:
Firstly, butting an emitter with a CGM sensor;
Then installing a power module;
Starting a CGM sensor, and starting detection work by the CGM sensor;
When the battery needs to be replaced, the old battery is taken down, and the super capacitor continuously supplies power to the transmitter;
and then the battery can be supplied with power again by replacing the new battery.
Preferably, the output port of the power module is connected with the transmitter by adopting positive and negative staggered 2 paths of output, and the power module further comprises a power management and distribution circuit;
In order to further ensure the reliability of power supply, the output port of the power supply module is connected with the transmitter by adopting 2 paths of positive and negative dislocation outputs, and the 4 paths of channels can be randomly and alternately powered, and only 2 paths of channels are required to be ensured to work normally, if partial short circuit occurs, the power supply module can be protected by an internal power supply management distribution circuit of the power supply module; the connection reliability can be greatly improved, and the transmitting module can work normally even if being repeatedly used for a long time;
Preferably, the power-on device further comprises a power-on port, and the transmitter forms a power-on signal with any pin through the short-circuit power-on port, so that 0 standby power consumption can be realized.
According to the invention, through designing the power module comprising the battery built in the emitter or the CGM sensor, the super capacitor serving as a standby power supply and the continuous power supply circuit, when the external battery is powered, the super capacitor is in a continuous charging state, once the battery is disconnected, the super capacitor can continuously supply power to the emitter through the continuous power supply circuit after voltage stabilization, an electronic switch can be adopted for automatic switching, the power supply is not interrupted, the problem of CGM endurance can be solved, and the modularized continuous power supply is realized;
because the traditional CGM power supply is built-in, the problem that a battery is started and activated always exists, so that the battery is prevented from consuming power when the user does not use the battery yet; according to the invention, the startup port is designed, and is started in a short circuit mode, so that the port is physically connected and started, and the battery is completely disconnected before being installed, so that the power consumption problem is avoided;
the invention can adopt a fully-sealed system structure without internal sterilization, so that the whole system is easy and reliable to sterilize;
The CGM has high waterproof, moistureproof and dustproof requirements, and the connection is usually single-channel, and the transmitter is a reusable device, so that the port of the transmitter is always polluted and oxidized due to repeated use, and the power supply module connected with the transmitter cannot be supplied with power and is unstable. Therefore, in order to further improve the reliability, the invention provides a redundant power supply mode, even if a port is in poor contact by accident, reliable connection power supply can be realized, even if a short circuit condition exists, an internal power management distribution circuit can isolate a short-circuited pin through a protection mode.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The modularized continuous power supply CGM detection system is characterized by comprising a transmitter, a power supply module and a CGM sensor;
The power module comprises a battery which is built in the transmitter or the CGM sensor, a super capacitor which is used as a standby power supply and a continuous power supply circuit; the battery and the super capacitor are respectively connected with a continuous power supply circuit, the continuous power supply circuit is connected with a transmitter, and the transmitter is connected with the CGM sensor;
The continuous power supply circuit comprises a power supply port, a super capacitor port and an output port; the source electrode of the power supply port is connected with the battery, and the drain electrode of the power supply port is connected with the super capacitor port through the diode A and the resistor A connected in series; the drain electrode of the power supply port is connected with the source electrode of the S end of the mos tube and the output port through the diode B, and the drain electrode of the D end of the mos tube is connected with the super capacitor port; the source electrode of the S end of the mos tube is connected with the output port; the power port is connected with the grid electrode of the terminal G of the mos tube through a resistor B and then grounded through a resistor C.
2. The modular, continuously powered CGM detection system of claim 1, wherein the super capacitor is mounted inside the transmitter.
3. The modular continuous power CGM detection system according to claim 1, further comprising a voltage stabilizing circuit, wherein the continuous power supply circuit is connected to the voltage stabilizing circuit.
4. The modular continuously powered CGM detection system according to claim 1, wherein when the modular continuously powered CGM detection system is in use, comprising the steps of:
Firstly, butting an emitter with a CGM sensor;
Then installing a power module;
Starting a CGM sensor, and starting detection work by the CGM sensor;
When the battery needs to be replaced, the old battery is taken down, and the super capacitor continuously supplies power to the transmitter;
and then the battery can be supplied with power again by replacing the new battery.
5. The modular continuously powered CGM sensing system of claim 1, wherein the output port of the power module is connected to the transmitter using a positive and negative offset 2-way output.
6. The modular, continuously powered CGM detection system of claim 5, wherein the power module further comprises a power management distribution circuit.
7. The modular, continuously powered CGM detection system of claim 1, further comprising a power-on port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310705042.4A CN116784844B (en) | 2023-06-14 | 2023-06-14 | CGM detecting system with modularized continuous power supply |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310705042.4A CN116784844B (en) | 2023-06-14 | 2023-06-14 | CGM detecting system with modularized continuous power supply |
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| CN116784844A CN116784844A (en) | 2023-09-22 |
| CN116784844B true CN116784844B (en) | 2024-05-28 |
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Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114423340A (en) * | 2019-09-18 | 2022-04-29 | 健臻糖尿病护理控股有限公司 | Automatic activation of Continuous Glucose Monitoring (CGM) emitter |
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Patent Citations (8)
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| KR20100120482A (en) * | 2009-05-06 | 2010-11-16 | 엘에스엠트론 주식회사 | Apparatus and method for charging of ultra capacitor |
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| CN207717904U (en) * | 2018-01-22 | 2018-08-10 | 北京合众汇能科技有限公司 | A kind of enhanced AC dump warning circuit based on super capacitor |
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