CN212439594U - Label formula intelligence reminding device that infuses - Google Patents
Label formula intelligence reminding device that infuses Download PDFInfo
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- CN212439594U CN212439594U CN202020350273.XU CN202020350273U CN212439594U CN 212439594 U CN212439594 U CN 212439594U CN 202020350273 U CN202020350273 U CN 202020350273U CN 212439594 U CN212439594 U CN 212439594U
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Abstract
The utility model discloses a label formula intelligence reminding device that infuses, reminding device includes identification portion, control portion, data transmission portion and data receiving terminal, identification portion pass through fixing device and fix at infusion bottle or infusion bag surface, data transmission portion and control portion data connection, the data of control portion pass through data transmission portion and convey to the data receiving terminal. Compared with the prior art, the utility model, it utilizes the plane electric capacity sensor based on the design of fringe electric field principle as the means of control at first, utilizes the electric capacity variable quantity as the change foundation of liquid level, and the accuracy is high, also can not appear the phenomenon of measuring the blind area; the utility model discloses an identification portion repeatedly usable, use cost is low, can not increase extra economic burden for the patient.
Description
Technical Field
The utility model relates to a medical device, specific theory is, a warning device that control infusion bottle or infusion bag liquid level and warn when low liquid level.
Background
How to improve the safety and reliability of infusion treatment is always a difficult problem to be solved in the medical industry, and the infusion process has great difficulty in unified management due to the difference of the conditions of patients. The reason for discarding the medicine is that the monitoring of the transfusion liquid level is important in the transfusion process. Generally, medical staff or patient families carry out visual inspection, but the medical staff is busy in work, the patient families accompany with the medical staff for a long time and are easy to fatigue, if the patient is treated independently, the patient is easy to be sicken due to illness, the situations all generate hidden troubles for infusion monitoring, medical accidents are easy to cause, and therefore instruments are needed to be used for auxiliary monitoring. The design scheme of the current transfusion monitoring device is mainly divided into three types: photoelectric sensing, weighing sensing and capacitance sensing technologies, in the aspect of measuring infusion allowance, a photoelectric sensor is low in cost, and simple in software and hardware design, but the photoelectric sensor needs to be installed on two sides of an infusion bottle (bag), and is not convenient and fast to install, and due to the fact that most of liquid is transparent and interference of ambient light is added, judgment errors of the photoelectric sensor can be caused; the weighing sensor has accurate and stable measurement and is not easily interfered by environmental factors, but the monitoring device of the weighing sensor is more complex, an infusion bottle (bag) needs to be hung on the device for weighing, and infusion bottles (bags) of different models have larger weight difference, and a set value needs to be frequently modified during judgment; the installation modes of the capacitance sensor and the photoelectric sensor are similar, and the capacitance sensor and the photoelectric sensor are also installed on two sides of an infusion bottle (bag), the requirement on the distance between two electrode plates is high during installation, and the installation distance has deviation, so that the measurement error can be caused. Besides, the currently marketed liquid level meter product can generally measure the liquid level height of 0-200 m, the measurement accuracy is mostly 0.5 level, but the product has a measurement blind area, and the measurement blind area is generally a 0-50 mm liquid level section. If a common liquid level meter is used for measuring the liquid level value of liquid medicine, the effective liquid level of the liquid level meter is inevitably in a measuring blind area, and accurate measurement cannot be carried out.
Disclosure of Invention
An object of the utility model is to provide a measuring error is little, and the installation is convenient, and foretell problem is solved to the infusion reminding device that the range is fit for.
The utility model discloses a following technical means realizes: a label type intelligent transfusion reminding device comprises a data transmitting end and a data receiving end, wherein the data transmitting end comprises an identification part, a monitoring part and a data transmitting part, the identification part is fixed on the outer surface of a transfusion bottle or a transfusion bag through a fixing device, the data transmitting part is in data connection with the monitoring part, and data of the monitoring part are transmitted to the data receiving end through the data transmitting part;
the identification part comprises two groups of planar capacitance sensors, the planar capacitance sensors are divided into a liquid level capacitance sensor and a reference capacitance sensor, the liquid level capacitance sensor and the reference capacitance sensor both comprise two electrode plates, and the two electrode plates are arranged in parallel at the same side;
the monitoring part comprises a capacitance-digital conversion chip and a singlechip, the capacitance-digital conversion chip is connected with the electrode of the planar capacitance sensor through a data wire, and the capacitance-digital conversion chip is connected with the electrode of the planar capacitance sensor through an I2The bus C transmits data to the singlechip, the singlechip transmits the processed data to the data receiving end through the data transmitting part,
the single chip microcomputer is transmitted to the data transmitting part through the SPI bus, and the data transmitting part is a 2.4G wireless transceiving communication module.
The length of the liquid level capacitance sensor is 1/3 of the length of an infusion bottle or an infusion bag, the length of the reference capacitance sensor is 1/8-1/6 of the length of the liquid level capacitance sensor, the bottoms of the electrode plates of the liquid level capacitance sensor and the reference capacitance sensor are positioned 20mm above the interface of the infusion bottle or the infusion bag, and the other ends of the electrode plates extend vertically upwards.
The fixing device is a non-setting adhesive sticker or an electrostatic sticker, electrode plates of the liquid level capacitance sensor and the reference capacitance sensor are pasted on the fixing device, and data wires are led out of the bottoms of the liquid level capacitance sensor and the reference capacitance sensor and connected with the capacitance-digital conversion chip.
Still include the power, the power sets up in control portion and for its power supply, the power is the lithium cell.
The power supply, the capacitance-digital conversion chip and the single chip microcomputer are contained by a shell, and a clamping groove for fixing the elements is arranged in the shell.
The data receiving terminal set up in nurse station, the data receiving terminal includes OLED display screen, control chip and data receiving portion, control chip sets up at the back of OLED screen and data connection with it, and control chip still is connected with data receiving portion, the data receiving terminal still includes alarm device, alarm device and control chip data connection, alarm device is bee calling organ and LED pilot lamp.
The control chip is a single chip microcomputer, the data receiving part is a 2.4G wireless transceiving communication module, and the monitoring part and the data transmitting part are arranged at the top or the upper end of the infusion frame.
Compared with the prior art, the utility model, it utilizes the plane electric capacity sensor based on the design of fringe electric field principle as the means of control at first, utilizes the electric capacity variable quantity as the change foundation of liquid level, and the accuracy is high, also can not appear the phenomenon of measuring the blind area; just the utility model discloses an identification portion repeatedly usable, use cost is low, can not increase extra economic burden for the patient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a connection diagram of a data transmitting end circuit according to the present invention.
The system comprises a liquid level capacitance sensor 1, a reference capacitance sensor 2, a fixing device 3, an infusion bottle 4, a data lead 5, a capacitance-digital conversion chip 6, a singlechip 7, a data transmitting part 8, an infusion support 9, a data receiving part 10, a control chip 11, an OLED display screen 12 and a nurse station 13.
Detailed Description
The invention is described in further detail below with reference to the drawings in the specification:
the utility model relates to a warning device for monitoring the liquid level in an infusion bottle or an infusion bag and giving an alarm when the liquid level is low. It mainly comprises the following parts: the medical infusion monitoring device comprises an identification part, a monitoring part, a data transmitting part 8 and a data receiving end, wherein the identification part is arranged on an infusion bottle 4 or an infusion bag used by a patient, data obtained by identification of the identification part is transmitted to the monitoring part through a data wire 5, and the monitoring part judges whether the liquid medicine in the infusion bottle 4 or the infusion bag has run out or not according to a built-in threshold value, so that whether a corresponding reminding or warning signal is sent out through the data transmitting part or not is determined.
Specifically, the identification part comprises two groups of planar capacitance sensors, the planar capacitance sensors are divided into a liquid level capacitance sensor 1 and a reference capacitance sensor 2, the liquid level capacitance sensor 1 and the reference capacitance sensor 2 both comprise two electrode plates, the two electrode plates are arranged in parallel at the same side, when the liquid level in the infusion bottle 4 or the infusion bag changes, the capacitance value between the two electrode plates also changes, therefore, the capacitance value changes to form a proportional relation with the height of the liquid level, the reference capacitance sensor provides compensation for temperature and medium changes during liquid level measurement, and the capacitance value is transmitted into the monitoring part through a data wire 5.
More specifically, the length of the liquid level capacitance sensor 1 is 1/3 of the length of an infusion bottle 4 or an infusion bag, the length of the reference capacitance sensor 2 is 1/8-1/6 of the length of the liquid level capacitance sensor 1, the bottoms of electrode plates of the liquid level capacitance sensor 1 and the reference capacitance sensor 2 are located 20mm above an interface of the infusion bottle 4 or an infusion bag, the other ends of the electrode plates extend vertically upwards, the width of each electrode plate is 8mm, and the thickness of each electrode plate is 0.06 mm.
The monitoring part comprises an electric capacity-digital conversion chip 6 and a single chip 7, the electric capacity-digital conversion chip 6 and the electrode of the planar capacitance sensor are connected by a data wire 5, and then the electric capacity-digital conversion chip 6 collects the acquired data and passes through I2C bus transmission to singlechip 7, data after singlechip 7 handles pass through SPI bus transmission to data transmitting part 8, then by data transmitting part 8 with signal transmission to data receiving terminal, the utility model discloses in data transmitting part 8 is 2.4G wireless transceiver communication module.
Data receiving terminal set up in nurse station 13, the data receiving terminal includes OLED display screen 12, control chip 11 and data receiving portion 10, control chip 11 sets up at the back of OLED display screen 12 and data connection with it, control chip 11 still is connected with data receiving portion 10, control chip 11 is the singlechip, data receiving portion 10 be 2.4G wireless transceiver communication module, singlechip and 2.4G wireless transceiver communication module unanimous with the component that control portion and data transmitting portion used, the data receiving terminal relies on the commercial power to supply power.
In order to make the reminding effect more obvious, the data receiving end further comprises an alarm device, the alarm device is in data connection with the control chip 11, and the alarm device is a buzzer and an LED indicator light.
Specifically, the capacitance-digital conversion chip 6 is a 28-bit high-resolution 4-channel capacitance-digital conversion chip with the model of FDC2214, the planar capacitance sensor is connected with the FDC2214 chip in a single-ended input mode, the 2.4G wireless transceiving communication module is nRF24L01, and the singlechip 7 is ATmega 328P.
Fixing device 3 paste or static for the non-setting adhesive, liquid level capacitance sensor 1 and refer to capacitance sensor 2's electrode slice paste on fixing device 3, particularly, liquid level capacitance sensor 1 and refer to capacitance sensor 2 and set up in the non-setting adhesive subsides or static pastes the position on the lower side of central authorities, liquid level capacitance sensor 1 and refer to that capacitance sensor 2's total area approximately accounts for 3/5 that the non-setting adhesive pasted or static pasted, can guarantee like this that the non-setting adhesive pastes or static pastes sufficient area of pasting, guaranteed the steadiness of pasting, in the utility model, liquid level capacitance sensor 1 and refer to capacitance sensor 2's bottom and draw forth data wire 5 and be connected with electric capacity-digital conversion chip.
The utility model discloses still include the power, the power sets up in control portion and for its power supply, the power is the lithium cell.
Furthermore, the power supply, the capacitance-digital conversion chip 6 and the single chip 7 are contained by a shell, and a clamping groove for fixing the elements is arranged in the shell. The housing may be plastic or metal. The capacitance-digital conversion chip 6 and the singlechip 7 can also be integrated on a PCB, so that the whole monitoring part is smaller.
Monitoring portion and data transmission portion set up at infusion support 9 top or upper end, and each infusion support 9 is just really just by unique definite like this, and the staff of being convenient for hospital monitors.
The utility model discloses can report an emergency and ask for help or increased vigilance when the liquid level in infusion bottle 4 or the infusion bag reachs the warning line, also can realize the control to the liquid level, specifically, the liquid level information in infusion bottle 4 or the infusion bag utilizes data transmitting part to send to data receiving part 10, show on OLED display screen 12 after processing by control chip 11 again, each infusion support 9 is all numbered by the only, the number keeps unanimous with infusion support 9 or infusion bed's number, when the infusion liquid level is greater than 1/4, OLED display screen 12 shows the number of infusion support and the suggestion that the infusion is normal; when the infusion liquid level is less than 1/4, the OLED display screen 12 displays the number of the infusion support and the prompt that the infusion is about to end, and alarms as required.
Claims (8)
1. The utility model provides a label formula intelligence reminding device that infuses, reminding device includes data transmitting terminal and data receiving terminal, the data transmitting terminal includes identification portion, control portion and data transmitting part, its characterized in that: the identification part is fixed on the outer surface of the infusion bottle or the infusion bag through a fixing device, the data transmitting part is in data connection with the monitoring part, and the data of the monitoring part is transmitted to the data receiving end through the data transmitting part;
the identification part comprises two groups of planar capacitance sensors, the planar capacitance sensors are divided into a liquid level capacitance sensor and a reference capacitance sensor, the liquid level capacitance sensor and the reference capacitance sensor both comprise two electrode plates, and the two electrode plates are arranged in parallel at the same side;
the monitoring part comprises a capacitance-digital conversion chip and a singlechip, the capacitance-digital conversion chip is connected with the electrode of the planar capacitance sensor through a data wire, and the capacitance-digital conversion chip is connected with the electrode of the planar capacitance sensor through an I2The C bus transmits data to the single chip microcomputer, and the single chip microcomputer processes the dataTransmitted to a data receiving end through a data transmitting part,
the single chip microcomputer is transmitted to the data transmitting part through the SPI bus, and the data transmitting part is a 2.4G wireless transceiving communication module.
2. The tagged intelligent infusion reminder device of claim 1, wherein: the length of the liquid level capacitance sensor is 1/3 of the length of an infusion bottle or an infusion bag, the length of the reference capacitance sensor is 1/8-1/6 of the length of the liquid level capacitance sensor, the bottoms of the electrode plates of the liquid level capacitance sensor and the reference capacitance sensor are positioned 20mm above the interface of the infusion bottle or the infusion bag, and the other ends of the electrode plates extend vertically upwards.
3. The tagged intelligent infusion reminder device of claim 1, wherein: the fixing device is a non-setting adhesive sticker or an electrostatic sticker, electrode plates of the liquid level capacitance sensor and the reference capacitance sensor are pasted on the fixing device, and data wires are led out of the bottoms of the liquid level capacitance sensor and the reference capacitance sensor and connected with the capacitance-digital conversion chip.
4. The tagged intelligent infusion reminder device of claim 1, wherein: still include the power, the power sets up in control portion and for its power supply, the power is the lithium cell.
5. The tagged intelligent infusion reminder device of claim 4, wherein: the power supply, the capacitance-digital conversion chip and the single chip microcomputer are contained by a shell, and a clamping groove for fixing the elements is arranged in the shell.
6. The tagged intelligent infusion reminder device of claim 1, wherein: the data receiving terminal set up in nurse station, the data receiving terminal includes OLED display screen, control chip and data receiving portion, control chip sets up at the back of OLED screen and data connection with it, and control chip still is connected with data receiving portion, the data receiving terminal still includes alarm device, alarm device and control chip data connection, alarm device is bee calling organ and LED pilot lamp.
7. The tagged intelligent infusion reminder device of claim 6, wherein: the control chip is a singlechip, and the data receiving part is a 2.4G wireless transceiving communication module.
8. The tagged intelligent infusion reminder device of claim 1, wherein: the monitoring part and the data transmitting part are arranged at the top or the upper end of the infusion stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020350273.XU CN212439594U (en) | 2020-03-19 | 2020-03-19 | Label formula intelligence reminding device that infuses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020350273.XU CN212439594U (en) | 2020-03-19 | 2020-03-19 | Label formula intelligence reminding device that infuses |
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| CN212439594U true CN212439594U (en) | 2021-02-02 |
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| CN202020350273.XU Active CN212439594U (en) | 2020-03-19 | 2020-03-19 | Label formula intelligence reminding device that infuses |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114191654A (en) * | 2021-12-06 | 2022-03-18 | 上海瑞强信息科技有限公司 | Flexible infusion early warning system |
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2020
- 2020-03-19 CN CN202020350273.XU patent/CN212439594U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114191654A (en) * | 2021-12-06 | 2022-03-18 | 上海瑞强信息科技有限公司 | Flexible infusion early warning system |
| CN114191654B (en) * | 2021-12-06 | 2024-03-26 | 上海瑞强信息科技有限公司 | Flexible infusion early warning system |
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