CN206792747U - A kind of intravenous injects transfusion sensor - Google Patents
A kind of intravenous injects transfusion sensor Download PDFInfo
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- CN206792747U CN206792747U CN201621485651.5U CN201621485651U CN206792747U CN 206792747 U CN206792747 U CN 206792747U CN 201621485651 U CN201621485651 U CN 201621485651U CN 206792747 U CN206792747 U CN 206792747U
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Abstract
It the utility model is related to a kind of intravenous injection transfusion sensor, including sensor unit, microcontroller, acousto-optic warning unit and power supply, sensor unit connects microcontroller with acousto-optic warning unit by data wire, power supply is sensor unit, acousto-optic warning unit and microcontroller are powered, wherein, sensor unit includes accelerometer and gas flow meter, accelerometer monitors the vibration signal of the every drops physic liquor instilled in woven hose observation bottle in real time, the air supplement pulse signal of the air supply port of the real-time monitoring transfusion bottle/bag of gas flowmeter, microcontroller carries out COMPREHENSIVE CALCULATING to the signal of correlation and finally produces transfusion end signal.Acousto-optic warning unit produces sound and light alarm signal immediately when receiving transfusion end signal, prompts the decoction in patient or medical personnel's transfusion bottle/bag to be totally lost, and changes transfusion bottle/bag or stops transfusion.This transfusion sensor has double monitoring insurance, and monitoring is accurate and does not produce emittance and influences decoction conveying.
Description
Technical field
The present invention relates to sensor technical field, more particularly to a kind of sensor suitable for intravenous injection and transfusion monitoring,
Concretely relate to a kind of high-precision intravenous injection and transfusion sensor.
Background technology
As patient fluid infusion, often rely on nurse's manual patrol or patient and family members monitor infusion bottle, so result in trouble
Person can not feel at ease to rest, and need family members aside to accompany and attend to always.In order that obtain the intravenous injection and transfusion monitoring process of infusion bottle
Electronization, information-based and intellectuality, occur utilizing the patterns such as gravity measurement principle, photoelectric measurement principle and condenser type at present
Infusion monitoring sensor, by using these sensors can monitoring transfusion bottle transfusion progress, realize the real-time of infusion process
Sensing and monitoring, meanwhile, infusion monitoring sensor is also the important component of intravenous injection monitoring induction system, and it uses electricity
Sonization signal shows transfusion progress and infusion alarming information in nurse station terminal.
However, the existing transfusion sensor using gravity measurement principle, can not enter to the surplus of infusion bottle and transfusion
Journey does more accurate measurement, and when needing to carry out accurately transfusion or medicine costliness, precision be present using this transfusion sensor
Difference and the defects of waste medicine.And the transfusion sensor of photoelectric measurement is utilized, it is to be clipped on transfusion sighting tube when in use, utilizes
Foundation of the disturbance that drop falls to photosignal as count measurement, so as to calculate decoction injection volume according to drop speed.When
Judge that transfusion terminates and sends alarm during without the change of photoelectric signal.But it is that requirement is worked as using the limitation of this kind of transfusion sensor
It may report by mistake or fail during the transfusion corresponding ground out of plumb of sighting tube.In addition, said on stricti jurise, the energy of incident ray
Amount may impact to sensitive medicaments.In addition, easy capacitance type sensor is clipped in woven hose upper end, when transfusion terminates pipe
Interior without after liquid, capacitance has greatly changed, the foundation that thus can be used as judging alarm.But this sensor can only
Switching value measure of the change is provided, can not monitoring transfusion process.Therefore, there is an urgent need for a kind of new intravenous injection and transfusion sensing
Device overcomes the above-mentioned technical problem present in existing transfusion sensor.
The content of the invention
It is an object of the invention to provide a kind of intravenous inject transfusion sensor, the sensor using accelerometer with
The sensing measurement scheme of gas flowmeter combination, in infusion process, can monitoring transfusion bottle in real time transfusion state, measurement drips
Speed, and transfusion process can be accurately calculated, monitoring medicine is injected according to speed as defined in doctor's advice, is ensured safe to use and is used effect
Fruit.
To achieve these goals, the technical solution adopted by the present invention is that a kind of intravenous injects transfusion sensor, bag
Sensor unit and microcontroller are included, the sensor unit connects microcontroller, the sensor unit bag by data wire
Accelerometer and gas flow meter is included, the accelerometer is clamped on the observation bottle of woven hose, and monitoring in real time instills woven hose
The vibration signal for the every drops physic liquor observed in bottle, and vibration signal is converted into drop electric signal by data line transfer to micro-control
Device processed, the gas flowmeter are filled in into the air supply port of transfusion bottle/bag, the air supplement of real-time monitoring transfusion bottle/bag
The air supplement pulse signal of mouth, and pulse signal is converted into dose electric signal by data line transfer to microcontroller；Institute
Microcontroller is stated according to the drop electric signal received and the transfusion state of dose electric signal comprehensive monitoring transfusion bottle/bag, and most
Transfusion end signal is produced eventually.
As a modification of the present invention, the transfusion sensor also includes acousto-optic warning unit, the sound and light alarm list
The signal output part of the signal input part connection microcontroller of member, the microcontroller send transfusion end signal to sound and light alarm
Unit, triggering acousto-optic warning unit produces sound and light alarm letter immediately after the acousto-optic warning unit receives transfusion end signal
Number.
As a modification of the present invention, the transfusion sensor also includes power supply, and the power supply passes through electricity
Source wire is that accelerometer, gas flowmeter and microcontroller are powered.
As a modification of the present invention, the power supply is powered by power lead for acousto-optic warning unit.
As a modification of the present invention, the power supply uses chargeable lithium cell, and the chargeable lithium cell leads to
Wire electrical connection management of charging and discharging device is crossed, the management of charging and discharging device connects microcontroller, the charge and discharge fulgurite by data wire
Reason device is circumscribed with charging plug.
As a modification of the present invention, the acousto-optic warning unit includes LED and/or buzzer, the LED
And/or buzzer connects the I/O mouths of microcontroller by data wire respectively, sent when acousto-optic warning unit receives microcontroller
LED is triggered during the transfusion end signal come to carry out also driving buzzer to carry out auditory tone cues while flash for prompting.
As a modification of the present invention, wire/wireless communication module is provided with the microcontroller, microcontroller passes through
Wire/wireless communication module connection monitoring host computer, gives monitoring infusion information transfer to monitoring host computer.
As a modification of the present invention, radio receiving transmitting module is provided with the microcontroller, microcontroller passes through nothing
Line transceiver module connection monitoring host computer, monitoring host computer is real-time transmitted to by monitoring infusion information.
Relative to prior art, transfusion sensor overall construction design proposed by the invention is ingenious, dismounting assembling maintenance
It is convenient to change, and cost is relatively low, and monitoring accuracy is high, easy to use；On the one hand it is real-time by accelerometer in this transfusion sensor
The vibration signal for every drops physic liquor that monitoring is instilled in woven hose observation bottle, and continual and steady vibration signal is converted to and continued surely
Fixed drop electric signal by data line transfer to microcontroller, when aneroid is dropped into vibrations（That is the intensity of vibration signal is zero）
When, when as decoction is totally lost, on the other hand pass through the air of the air supply port of the real-time monitoring transfusion bottle/bag of gas flowmeter
Pulse signal is supplemented, and pulse signal is converted into dose electric signal by data line transfer to microcontroller, microcontroller root
According to dose electric signal（The pulse signal of air supplement i.e. corresponding with dose electric signal）Calculate the surplus of transfusion bottle/bag inner liquid medicine
Surplus, and when the amount supplemented when air reaches the permission air capacity of transfusion bottle/bag, when as decoction is totally lost；From there through
Accelerometer and gas flow meter carries out double monitoring to transfusion state, effectively increases the precise degrees of infusion monitoring, and lead to
Cross acousto-optic warning unit and sound and light alarm signal is sent when transfusion terminates, so as to prompt user or medical personnel's medicine in time
Liquid has been totally lost and has changed transfusion bottle/bag or stop transfusion.
Brief description of the drawings
Fig. 1 is the structural principle block diagram of the present invention.
Fig. 2 is the use state diagram of the present invention.
Embodiment
In order to deepen the understanding of the present invention and understanding, the invention will be further described below in conjunction with the accompanying drawings and introduces.
As illustrated in fig. 1 and 2, a kind of intravenous injection transfusion sensor, including sensor unit and microcontroller, it is described
Sensor unit connects microcontroller by data wire, and the sensor unit includes accelerometer and gas flow meter, wherein
Accelerometer and gas flow meter connects microcontroller using disconnectable mode by data wire, in use, described will add
Speedometer is clamped on the observation bottle of woven hose, and the vibrations of the every drops physic liquor instilled with real-time monitoring in woven hose observation bottle are believed
Number, and continual and steady vibration signal is converted into continual and steady drop electric signal by data line transfer to microcontroller.
When the drop electric signal received when microcontroller changes, i.e., it is being dropped into vibrations when aneroid（I.e. vibration signal is strong
Degree is zero）When, when as decoction is totally lost.And fill in the gas flowmeter into the air supply port of transfusion bottle/bag, it is real
When monitoring transfusion bottle/bag air supply port air supplement pulse signal, and pulse signal is converted into dose electric signal and led to
Data line transfer is crossed to microcontroller.Microcontroller is according to dose electric signal（Air supplement i.e. corresponding with dose electric signal
Pulse signal）The surplus of transfusion bottle/bag inner liquid medicine is calculated, and reaches the permission of transfusion bottle/bag in the amount supplemented when air
During air capacity, when as decoction is totally lost.The microcontroller integrates according to the drop electric signal and dose electric signal received
The transfusion state of monitoring transfusion bottle/bag, and finally produce transfusion end signal.
Preferably, the transfusion sensor also includes acousto-optic warning unit, the signal input part of the acousto-optic warning unit
The signal output part of microcontroller is connected, the microcontroller sends transfusion end signal to acousto-optic warning unit, the acousto-optic
Triggering acousto-optic warning unit produces sound and light alarm signal immediately after alarm unit receives transfusion end signal.
It is further preferred that the transfusion sensor also includes power supply, the power supply is by power lead
Accelerometer, gas flowmeter, microcontroller and acousto-optic warning unit are powered, and are so greatly improved transfusion sensor
Ease of use.
Wherein, the power supply uses chargeable lithium cell, and the chargeable lithium cell electrically connects charge and discharge by wire
Electric manager, the charging and discharging state of chargeable lithium cell is effectively managed by management of charging and discharging device, can effectively improve can
The using effect and service life of charged lithium cells.The management of charging and discharging device connects microcontroller, microcontroller by data wire
Device can carry out switch control to management of charging and discharging device so that power supply when sensor unit works without infusion monitoring from
It is dynamic to enter resting state, and when sensor unit carries out infusion monitoring work, restart power supply state, so can not only
Power consumption is reduced, while is also effectively saved the energy.The management of charging and discharging device is circumscribed with charging plug, is needed in chargeable lithium cell
When charging, accessed by charging plug in 220V civil powers and carry out charging operations.
In addition, the acousto-optic warning unit includes LED and/or buzzer, the LED and/or buzzer pass through number
The I/O mouths of microcontroller are connected respectively according to line, when acousto-optic warning unit receives the transfusion end signal that microcontroller sends
When trigger LED carry out flash for prompting while also will driving buzzer carry out auditory tone cues.So as to prompt to use in time
Person or medical personnel's decoction have been totally lost, and are changed transfusion bottle/bag or stopped transfusion.
For the ease of storing or using, microcontroller, power supply and acousto-optic warning unit can be encapsulated in same housing
It is interior, thermovent is provided with housing.It is caused in use for microcontroller, power supply and acousto-optic warning unit
Heat distributes as early as possible, so as to effectively improve the ageing and precision of service life and data processing.In addition, accelerometer
Data wire between and gas flow meter and microcontroller can carry out telescopic adjustment their connecting lengths between microcontroller,
And can effectively it be protected by setting an elastic retractable volume mechanism to realize the telescopically adjustable function of data wire in enclosure interior
Data wire is without damage, and also improves the overall aesthetics of transfusion sensor.
It is further preferred that being provided with wire/wireless communication module in the microcontroller, microcontroller passes through wired/nothing
Line communication module connection monitoring host computer, gives monitoring infusion information transfer to monitoring host computer.Preferably, set in the microcontroller
A radio receiving transmitting module is put, so as to give monitoring infusion feedback of the information to monitoring host computer in real time by the radio receiving transmitting module, by
Monitor the working condition of host computer record transfusion sensor.
In actual use, the accelerometer in the sensor can use the 3 axis MEMS accelerometer of ST companies, specifically
ADXL362 can be selected, and gas flowmeter uses the MEMS gas mass flow gauge of ST companies, microcontroller uses STM32 mono-
Piece machine, power supply use 3.7V chargeable lithium cells, and its charging voltage is 5V, and radio receiving transmitting module is using bluetooth, ZigBee
Or the integrated functional module such as WIFI.Believed by accelerometer and gas flow meter automatic data collection transfusion drip speed signal and transfusion process
Number, and accumulating certain data volume or sending the data of collection after the cycle to microcontroller, passed finally by radio receiving transmitting module
In the defeated host computer to monitoring.
When the transfusion sensor is used for into intravenous injection and transfusion monitoring, first accelerometer and gas flow meter is put respectively
The specified location on transfusion bottle/bag and woven hose is put, is then turned on setting start button on a microcontroller, whole transfusion
Sensor starts monitoring, when any one in accelerometer and gas flow meter causes microcontroller to produce transfusion and terminate
Signal and when sending acousto-optic warning unit to, acousto-optic warning unit is triggered and produces sound and light alarm signal, can carry in time
Show that user or medical personnel carry out timely processing.Monitoring infusion information is real-time transmitted to by prison by radio receiving transmitting module simultaneously
Control in host computer.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned embodiment, in addition to
Formed technical scheme is combined by above technical characteristic.It should be pointed out that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
1. a kind of intravenous injects transfusion sensor, it is characterised in that：Including sensor unit and microcontroller, the sensing
Device unit connects microcontroller by data wire, and the sensor unit includes accelerometer and gas flow meter, the acceleration
Degree meter is clamped on the observation bottle of woven hose, the vibration signal for every drops physic liquor that monitoring in real time is instilled in woven hose observation bottle, and
Vibration signal is converted into drop electric signal to fill in transfusion to microcontroller, the gas flowmeter by data line transfer
In the air supply port of bottle/bag, the air of the air supply port of real-time monitoring transfusion bottle/bag supplement pulse signal, and by pulse
Signal is converted to dose electric signal by data line transfer to microcontroller；The microcontroller is according to the drop telecommunications received
Number and dose electric signal comprehensive monitoring transfusion bottle/bag transfusion state, and finally produce transfusion end signal.
2. a kind of intravenous injection transfusion sensor as claimed in claim 1, it is characterised in that the transfusion sensor is also
Including acousto-optic warning unit, the signal output part of the signal input part connection microcontroller of the acousto-optic warning unit is described micro-
Controller sends transfusion end signal to acousto-optic warning unit, and the acousto-optic warning unit triggers after receiving transfusion end signal
Acousto-optic warning unit produces sound and light alarm signal immediately.
3. a kind of intravenous injection transfusion sensor as claimed in claim 2, it is characterised in that the transfusion sensor is also
Including power supply, the power supply is that accelerometer, gas flowmeter and microcontroller are powered by power lead.
4. a kind of intravenous injection transfusion sensor as claimed in claim 3, it is characterised in that the power supply passes through
Power lead is powered for acousto-optic warning unit.
A kind of 5. intravenous injection transfusion sensor as described in claim 3 or 4, it is characterised in that the power supply
Using chargeable lithium cell, the chargeable lithium cell electrically connects management of charging and discharging device, the management of charging and discharging device by wire
Microcontroller is connected by data wire, the management of charging and discharging device is circumscribed with charging plug.
A kind of 6. intravenous injection transfusion sensor as described in claim 2 or 4, it is characterised in that the sound and light alarm
Unit includes LED and/or buzzer, and the LED and/or buzzer connect the I/O of microcontroller by data wire respectively
Mouthful, when acousto-optic warning unit receives the transfusion end signal that microcontroller sends triggering LED carries out flash for prompting
Also buzzer is driven to carry out auditory tone cues simultaneously.
7. a kind of intravenous injection transfusion sensor as claimed in claim 1, it is characterised in that set in the microcontroller
There is wire/wireless communication module, microcontroller connects monitoring host computer by wire/wireless communication module, monitoring infusion is believed
Breath is transferred to monitoring host computer.
8. a kind of intravenous injection transfusion sensor as claimed in claim 7, it is characterised in that set in the microcontroller
Radio receiving transmitting module is equipped with, microcontroller connects monitoring host computer by radio receiving transmitting module, monitoring infusion information is passed in real time
Give monitoring host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621485651.5U CN206792747U (en) | 2016-12-31 | 2016-12-31 | A kind of intravenous injects transfusion sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621485651.5U CN206792747U (en) | 2016-12-31 | 2016-12-31 | A kind of intravenous injects transfusion sensor |
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| CN206792747U true CN206792747U (en) | 2017-12-26 |
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| CN201621485651.5U Active CN206792747U (en) | 2016-12-31 | 2016-12-31 | A kind of intravenous injects transfusion sensor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106492307A (en) * | 2016-12-31 | 2017-03-15 | 江苏顺源集团有限公司 | A kind of intravenous inject transfusion sensor |
| WO2019235944A1 (en) * | 2018-06-05 | 2019-12-12 | Al Abri Amira Said Hamad | Smart blood pressure measurement device for the elderly, those with special need and other groups in society |
| CN111329451A (en) * | 2020-03-19 | 2020-06-26 | 杭州市余杭区中医院 | Intravenous injection edema detection device |
| CN111792613A (en) * | 2020-07-09 | 2020-10-20 | 南京智鹤电子科技有限公司 | Oil filling meter |
-
2016
- 2016-12-31 CN CN201621485651.5U patent/CN206792747U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106492307A (en) * | 2016-12-31 | 2017-03-15 | 江苏顺源集团有限公司 | A kind of intravenous inject transfusion sensor |
| WO2019235944A1 (en) * | 2018-06-05 | 2019-12-12 | Al Abri Amira Said Hamad | Smart blood pressure measurement device for the elderly, those with special need and other groups in society |
| CN111329451A (en) * | 2020-03-19 | 2020-06-26 | 杭州市余杭区中医院 | Intravenous injection edema detection device |
| CN111792613A (en) * | 2020-07-09 | 2020-10-20 | 南京智鹤电子科技有限公司 | Oil filling meter |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 139, Jiangjun Avenue, Jiangning Development Zone, Nanjing, Jiangsu Province, 210000 Patentee after: Jiangsu Weigang Group Co., Ltd Address before: 211100, No. 37, general road, Jiangning District, Jiangsu, Nanjing Patentee before: JIANGSU SHUNYUAN GROUP Co.,Ltd. |
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| CP03 | Change of name, title or address |