CN206548933U - A kind of infusion monitoring system - Google Patents
A kind of infusion monitoring system Download PDFInfo
- Publication number
- CN206548933U CN206548933U CN201620839121.XU CN201620839121U CN206548933U CN 206548933 U CN206548933 U CN 206548933U CN 201620839121 U CN201620839121 U CN 201620839121U CN 206548933 U CN206548933 U CN 206548933U
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- microprocessor
- module
- infusion
- weighing sensor
- monitoring system
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Abstract
The utility model discloses a kind of infusion monitoring system, including：Weighing sensor, AD conversion module, first microprocessor, the first power module and the first communication module, the weighing sensor is arranged on the suspension arrangement for hanging infusion bottle, the suspension arrangement, which is hung, to be located on Infusion support, and the weighing sensor is used for the weight for measuring the infusion bottle；The first microprocessor is electrically connected with the AD conversion module, the first power module and the first communication module respectively；The AD conversion module is also electrically connected with the weighing sensor；First communication module is used to send relevant infusion information.The utility model can monitor the surplus of liquid medicine in infusion bottle at any time, find whether liquid medicine will be totally lost in infusion bottle in time, it is to avoid because air is entered in transfusion person's body by woven hose, and threatened to the health of transfusion person.In addition, the utility model has the advantages that safe and reliable, practical, with low cost, easy care.
Description
Technical field
The utility model belongs to monitoring technical field, more particularly to a kind of infusion monitoring system.
Background technology
In infusion process, if without in time find infusion bottle in liquid medicine be totally lost, substantial amounts of air will enter as
In blood vessel, so as to cause air embolism.If the air capacity of intravasation is excessive in a short time, air can be in atrium dextrum with blood
With foam-like blood is mixed to form in right ventricle, this foam-like blood can not be discharged in heart contraction, easily blocked in the right heart
Room and pulmonary trunk outlet, can cause blood circulation interruption and threat to life during most serious.
If a small amount of air intravasation in a short time, though foam-like blood will not be formed, it is nonetheless possible to forming bubble
And obstruction office cloth minute blood vessel, influence the circulation of blood and regional flow not smooth, so as to cause some clinical symptoms.
In order to avoid above-mentioned situation occurs, traditional method is：Transfusion person or medical personnel observe by the naked eye infusion bottle
After interior liquid medicine will be totally lost, allow medical personnel to terminate transfusion or change infusion bottle.
However, when transfusion, transfusion person feels sleepy often, if side nobody looks after or medical personnel relatively hurry, hold
Easily ignore the remaining liquid medicine amount in infusion bottle, entered so as to bypass air through woven hose in the body of transfusion person, to transfusion person
Health threaten.
The content of the invention
The utility model is in order to overcome the above-mentioned deficiencies of the prior art there is provided a kind of infusion monitoring system, and the system is only
A good material base is provided for monitoring transfusion.This infusion monitoring system can find the remaining liquid medicine in infusion bottle in time
Amount, it is to avoid air is entered in the body of transfusion person by woven hose.
To achieve the above object, the utility model employs following technical scheme：
The utility model provides a kind of infusion monitoring system, including：Weighing sensor, AD conversion module, the first microprocessor
Device, the first power module and the first communication module, the weighing sensor are arranged on the suspension arrangement for hanging infusion bottle,
The suspension arrangement, which is hung, to be located on Infusion support, and the weighing sensor is used for the weight for measuring the infusion bottle；Described first is micro-
Processor is electrically connected with the AD conversion module, the first power module and the first communication module respectively；The AD conversion module is also
Electrically connected with the weighing sensor；First communication module is used to send relevant infusion information.
Further, this infusion monitoring system, in addition to：Second communication module, the second microprocessor, second source module and
Prompting module, communicates connection between second communication module and first communication module；Second communication module also with
Connection is communicated between second microprocessor；Second microprocessor also respectively with the second source module, remind mould
Block is electrically connected.
Further, the prompting module include display screen and/or loudspeaker, the display screen by drive circuit with it is described
Second microprocessor is electrically connected；The loudspeaker is electrically connected by electronic switch with second microprocessor.
Further, the electronic switch includes relay, and the coil of the relay is electrically connected with second microprocessor
Connect, the normally opened contact of the relay is electrically connected with the loudspeaker.
Further, the suspension arrangement includes upper connecting rod, lower link, and one end of the upper connecting rod is provided with for being hung on
Link on the Infusion support, the other end of the upper connecting rod is provided with connecting portion, and the upper connecting portion is removably connected to
The weighing sensor；One end of the lower link is provided with the hook for hanging infusion bottle, the other end of the lower link
Lower connecting portion is provided with, the lower connecting portion is removably connected to the weighing sensor.
Further, infusion monitoring system, in addition to：Button, the button is electrically connected with the first microprocessor.
Further, between the AD conversion module and the first microprocessor length of line within 40cm.
Further, the weighing sensor is bridge type weighing sensor, and the bridge type weighing sensor includes resistance-strain
Formula pressure sensor or capacitive pressure transducer or piezoelectric pressure indicator；The AD conversion module is the 8 of model HX711
24 bit A/D converters of bit A/D converter or model PCF8591.
Further, first communication module, the second communication module are Zigbee communication modules.
Further, the first microprocessor is the STC12C5A32S2 series monolithics of macrocrystalline science and technology production；Described
Two microprocessors are sent for raspberry.
The beneficial effects of the utility model are：
1) infusion monitoring system is by weighing sensor, AD conversion module, first microprocessor, first in the utility model
Power module and the first communication module etc. are constituted, wherein weighing sensor, AD conversion module, first microprocessor, the first power supply
Module and the first communication module are made up of circuit and physical unit, and this infusion monitoring system is only that monitoring transfusion provides one
Good material base.
Wherein, weighing sensor measures the weight information of infusion bottle at any time, and AD conversion module carries out mould to weight information
After number conversion, first microprocessor is transferred to；First microprocessor is judged in infusion bottle after the surplus of liquid medicine, to pass through first
Communication module sends corresponding information.This infusion monitoring system can monitor the surplus of liquid medicine in infusion bottle at any time, in time
It was found that whether liquid medicine will be totally lost in infusion bottle, it is to avoid because air is entered in transfusion person's body by woven hose, and to transfusion
The health of person threatens.In addition, the utility model has the advantages that safe and reliable, practical, with low cost, easy care.
2) the second communication module, the second microprocessor, second source module, prompting module are by line in the utility model
There is provided management, a reminding platform for road and physical unit composition.Second communication module receives the letter that the first communication module is sent
Breath, the second microprocessor device judges whether to send prompting message according to the information received；So as in time remind medical personnel and
When terminate transfusion or change infusion bottle, and then ensure transfusion person health.
3) suspension arrangement in the utility model, weighing sensor is hung on Infusion support by upper connecting rod, and infusion bottle passes through auxiliary
Part, such as hanging basket or rope are helped, the lower section of weighing sensor is hung over by lower link；Weighing sensor and upper connecting rod, lower company
It is detachably connected between bar, can not only realizes that weighing sensor is weighed to infusion bottle, also with installation, convenient disassembly etc.
Advantage.
4) button is mainly used in startup program in the utility model, is effectively prevented from unnecessary waste of energy, contributes to
Save the energy.
5) wire length in the utility model between AD conversion module and first microprocessor can be avoided in 40cm
Disturbed by extraneous factor, so as to influence data acquisition, the accuracy of transmission, reduce cost of manufacture, improve system
Reliability.
Brief description of the drawings
Fig. 1 is a part of block diagram of infusion monitoring system in the utility model；
Fig. 2 is another part block diagram of infusion monitoring system in the utility model；
Fig. 3 is a circuit theory diagrams of infusion monitoring system in the utility model；
Fig. 4 is another circuit theory diagrams of infusion monitoring system in the utility model；
Fig. 5 is the structural representation of suspension arrangement in the utility model；
The implication of label symbol is as follows in figure：
11-weighing sensor, 12-AD conversion module, 13-first microprocessor
14-the first power module the 21-the second communication module of the 15-the first communication module
22-the second microprocessor 23-second source, 24-prompting module of module
30-suspension arrangement, 31-upper connecting rod, 32-link
33-upper connecting portion, 34-lower link, 35-hook
36-lower connecting portion
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
As shown in Figure 1, Figure 3, according to one embodiment of the present utility model, a kind of infusion monitoring system, including：Weigh biography
Sensor 11, AD conversion module 12, first microprocessor 13, the first power module 14 and the first communication module 15, the biography of weighing
Sensor 11 is arranged on the suspension arrangement 30 for hanging infusion bottle, and the suspension arrangement 30, which is hung, to be located on Infusion support, described to claim
Retransmit the weight that sensor 11 is used to measure the infusion bottle；The first microprocessor 13 respectively with the AD conversion module 12,
First power module 14 and the first communication module 15 are electrically connected, and first power module 14 is powered to modules；The AD
Modular converter 12 is also electrically connected with the weighing sensor 11；First communication module 15 is used to send relevant infusion information.
Button, the button is electrically connected with the first microprocessor 13.Button is mainly used in startup program, it is to avoid unnecessary electric energy
Waste.Zigbee communication modules are then by the data feedback measured every time to general reception desk.First power module 14 gives first micro- place
Reason device 13 (single-chip microcomputer), AD conversion module 12 (HX711AD converters) and weighing sensor 11 are powered.
As shown in Figure 2, Figure 4 shows, for the improvement of above-described embodiment, in the present embodiment, this infusion monitoring system, in addition to：
Second communication module 21, the second microprocessor 22, second source module 23 and prompting module 24, second communication module 21 with
Connection is communicated between first communication module 15；Second communication module 21 leads to also between second microprocessor 22
News connection；Second microprocessor 22 is also electrically connected with the second source module 23, prompting module 24 respectively, and described second
Power module 23 is to the second communication module 21, prompting module 24.
As shown in figure 5, for the improvement of above-described embodiment, in the present embodiment, the suspension arrangement 30 include upper connecting rod 31,
Lower link 34, one end of the upper connecting rod 31 is provided with link 32, and the other end of the upper connecting rod 31 is provided with connecting portion 33,
The upper connecting portion 33 is removably connected to the weighing sensor 11 by screw or bolt；One end of the lower link 34 is set
Hook 35 is put, the other end of the lower link 34 is provided with lower connecting portion 36, and the lower connecting portion 36 can by screw or bolt
Dismounting is connected to the weighing sensor 11.
The first microprocessor 13 is the STC12C5A32S2 series monolithics of macrocrystalline science and technology production；Using STC
40pin series monolithics are as main control chip, the master control function such as realization is weighed.STC12C5A32S2 series monolithics are macrocrystalline sections
The single-chip microcomputer of single clock/machine cycle (1T) of skill production, is high speed/low-power consumption/superpower jamproof 8051 monolithic of new generation
Machine, instruction code completely compatible traditional 8051, but fast 8-12 times of speed.The model mainly has the advantage that：(1), on the net can be with
The minimum system of the model single-chip microcomputer is directly bought, removes welding trouble from；(2), band serial communication, can connect zigbee；
(3), 4 16 bit timing devices, meet many demands such as this project key scan, serial port baud rate setting, internal delay time.
Second microprocessor 22 is that raspberry sends Raspberry Pi B+；The raspberry sends Raspberry Pi B+ to be English
A pocket computer based on ARM that one small-sized charity of state delivers, has the advantages that small volume, low in energy consumption.Tree
It is software aspects as the world today that the certain kind of berries, which sends Raspberry Pi B+, and most popular mini PC, raspberry sends fan to be it
Corresponding LINUX system has been customized, and has developed extensive application, community resource enriches, and has the data that much may be referred to.Selection
The main cause of the model card computer has：Web Community is flourishing, can obtain more helps；1GHz dominant frequency can be met largely
The demand of data processing (this project is only connected to a terminal, but practical application can be connected a lot)；GPI0 mouthfuls are carried, can be with
Conveniently realize warning function, external button, or even external screen；1 serial communication is carried, while supporting USB to expand more strings
Mouthful.
The weighing sensor 11 is bridge type weighing sensor 11, and the bridge type weighing sensor 11 includes resistance-strain type
Pressure sensor or capacitive pressure transducer or piezoelectric pressure indicator；Capacitance pressure transducer, less stable, precision
Higher with sensitivity, the life-span is shorter, harsh to environmental requirement, is difficult to transmit over long distances.Piezoelectric pressure indicator stability is good,
Accuracy and sensitivity is high, long lifespan, but the pressure sensor of wide range waits further research.Resistance strain type pressure sensor
Preferably, accuracy and sensitivity is higher, lasts a long time for stability, requires less strict to measuring environment.Therefore, from resistance-strain
Formula pressure sensor is the most suitable as force cell.Using precision resister strain pressure transducer, measurement amount
Journey 0-5kg, measurement accuracy meets almost all kinds of infusion bottle specification up to 5g.
The AD conversion module 12 is model HX711 8 bit A/D converters or model PCF8591 24 AD conversion
Device.HX711 and PCF8591, they are 8 bit pads and 24 bit pads respectively, are all had the advantages that cheap.
PCF8591 is the ad/da converter based on I2C interfaces, 8 precision, four-way AD, single channel DA, voltage output
Type.The characteristics of PCF8591 is：(1) two kinds of interface type access Target Boards, are supported：Arrange pin or row's seat；(2) I2C buses, are supported
Cascade (method by arranging pin, row's seat is docked, multiple I2C modules can be used simultaneously)；(3), low speed AD/DA is changed；(4)、
PCF8591, I2C interface arrange pin, I2C interfaces row's seat, adjustable resistance, AD input ports, DA delivery outlets, address jumpers port.
The characteristics of HX711 is：(1), module operating voltage is 4.8-5.5v, exemplary currents 1.6mA, band metallic shield, by force
It is anti-interference, MCU (STC15F104) position is reserved, can voluntarily upgrade secondary development；(2), two-way may be selected in Differential Input, piece
Low noise, programmable amplifier, optional gain is 32,64 and 128；(3), in piece mu balanced circuit can direct out portion's sensor and
A/D converter provides power supply in chip；(4), on-chip clock oscillator can also be used external if necessary without any external device
Crystal oscillator or clock, automatic power-on reset circuit, simple digital control and serial communication；(5), all controls are inputted by pin,
10Hz or 80Hz output data rate, the synchronous power supply for suppressing 50Hz and 60Hz may be selected without programming in register in chip
Interference.
The signal of weighing sensor 11 is nursed one's health using electronic scale specialized simulation/numeral (A/D) converter chip HX711
Conversion, HX711 employs the scientific and technological integrated circuit patented technology of extra large core, is a 24 A/ for aiming at high-precision electronic scale and designing
D converter chips.
The weighing sensor 11 (pulling force sensor) used in the utility model be traditional bridge type magnetic sensor, range 3kg,
Precision reaches 5g, it is desirable to which the output of AD conversion module 12 digit is at least 3000/5=600, and the PCF8591 of 8 can not be competent at,
Because its precision only has 2^8=256；So being used as the A/D modular converters in the utility model from HX711.
The output end of weighing sensor 11 is electrically connected with the input of the AD converter HX711, the AD converter
HX711 TXD ends are electrically connected with the input of the single-chip microcomputer STC12C5A32S2, the CLK ends of the AD converter HX711 with
The CLKOUT ends electrical connection of the single-chip microcomputer STC12C5A32S2, power end VCC, GND of the AD converter HX711 connect power supply
Positive pole, power cathode.
Weighing sensor 11 senses measured object gravity, exports faint millivolt magnitude voltage signals.The voltage signal passes through A/D
Converter chip hx711 carries out conditioning conversion to sensor signal.HX711 employs the scientific and technological integrated circuit patented technology of extra large core,
It is a 24 A/D converter chips for aiming at high-precision electronic scale and designing, built-in-gain control, precision is high, and performance is stable.
HX711 chips pass through 2 line serial modes and single chip communication.
The length of line is within 40cm between the AD conversion module 12 and the first microprocessor 13.AD conversion mould
Electric wire between block 12 and weighing sensor 11 is more short better, it is long if can by various interference, AD conversion module 12 and monolithic
Line between machine does not exceed 30cm (being bundled when actual use) preferably yet, if it is necessary to if lengthening, can be with
Consider using line and signal amplifier with electromagnetic shielding.
First communication module 15 is the first Zigbee communication modules, the RXD ends of the first Zigbee communication modules
Electrically connected with the TXD ends of the single-chip microcomputer STC12C5A32S2；The TXD ends of the first Zigbee communication modules and the monolithic
Machine STC12C5A32S2 RXD ends electrical connection；The GND ends of the first Zigbee communication modules are electrically connected with one end of button,
The other end power cathode of the button, the RD ends of the other end of the button also with the single-chip microcomputer STC12C5A32S2 are electrically connected
Connect；The VCC termination power positive poles of the first Zigbee communication modules.
For the improvement of above-described embodiment, in the present embodiment, the prompting module 24 includes display screen and/or loudspeaker,
The display screen is electrically connected by drive circuit with second microprocessor 22；The loudspeaker by electronic switch with it is described
Second microprocessor 22 is electrically connected.With diode in place, display screen introduces its circuit theory diagrams, the drive circuit in figure
Including three driving chips (such as driving chip 7447), DS ends and the raspberry of the first driving chip send Raspberry Pi
B+ GPIO13 ends electrical connection, STCP ends and the raspberry of first driving chip send Raspberry Pi B+ GPIO26
End electrical connection, SHCP ends and the raspberry of first driving chip send Raspberry Pi B+ GPIO19 ends to electrically connect；The
The DS ends of two driving chips are electrically connected with the QH ends of the first driving chip；The DS ends of 3rd driving chip and the second driving core
The QH ends electrical connection of piece, QA, QB, QC, QD, QE, QF, QG, QH end of first, second, third driving chip pass through respectively
One diode connects positive source, the GND termination power negative poles of first, second, third driving chip, described first,
2nd, the VCC termination power positive poles of the 3rd driving chip.
The electronic switch includes relay, and the coil of the relay with second microprocessor 22 (send by raspberry
Raspberry Pi B+ GPI04 ends) electrically connect, the normally opened contact output end of the relay is electrically connected with the loudspeaker,
The common port of the relay sends Raspberry Pi B+ to electrically connect with the raspberry, the control end S of the relay with it is described
Raspberry sends Raspberry Pi B+ GPI04 ends to electrically connect.
Second communication module 21 is the 2nd Zigbee communication modules, the RXD ends of the 2nd Zigbee communication modules and institute
Stating raspberry sends Raspberry Pi B+ TXD ends to electrically connect；The TXD ends of the 2nd Zigbee communication modules and the raspberry
Raspberry Pi B+ RXD ends are sent to electrically connect；The GND termination power negative poles of the 2nd Zigbee communication modules, described
The VCC termination power positive poles of two Zigbee communication modules.
The raspberry send Raspberry Pi B+ GPI012 ends, GPI016 ends, GPI020 ends, GPI021 ends respectively with
One end electrical connection of one pull-up resistor, another termination positive source of the pull-up resistor, the other end of the pull-up resistor
Bonded power cathode is also pressed by a scanning.
A kind of infusion monitoring system that the present embodiment is provided is micro- by weighing sensor 11, AD conversion module 12, first
Manage device 13, the first power module 14, the first communication module 15, the second communication module 21, the second microprocessor 22, second source mould
Block 23, prompting module 24 etc. are constituted.When in use, this infusion monitoring system can coordinate realization many with software of the prior art
Plant the collection and transmission of data.The operation principle of the present embodiment is described with reference to software of the prior art, still
It must be noted that：The software being engaged with infusion monitoring system is not innovative part of the present utility model, nor this practicality
New part.
Resistance strain reduces the quality of infusion bottle the change for being converted into analog voltage, then passes through high accuracy
The variables transformations of analog voltage are numerical value by (24) AD converter, and pass through the string of first microprocessor 13 (single-chip microcomputer)
Mouth, the first communication module 15 (zigbee modules) externally send wireless signal.
The second communication module 21 (zigbee modules) that second microprocessor 22 (raspberry group) is connected receives data, leads to
Cross serial ports and pass to card computer (raspberry group) the progress Treatment Analysis based on arm, by with card electricity if alert if is reached
Brain (raspberry group) sends alarm command for the master control platform of core.
Claims (10)
1. a kind of infusion monitoring system, it is characterised in that including：Weighing sensor, AD conversion module, first microprocessor,
One power module and the first communication module, the weighing sensor are arranged on the suspension arrangement for hanging infusion bottle, described
Suspension arrangement, which is hung, to be located on Infusion support, and the weighing sensor is used for the weight for measuring the infusion bottle；
The first microprocessor is electrically connected with the AD conversion module, the first power module and the first communication module respectively；Institute
AD conversion module is stated also to electrically connect with the weighing sensor；First communication module is used to send relevant infusion information.
2. infusion monitoring system according to claim 1, it is characterised in that also include：Second communication module, second micro- place
Device, second source module and prompting module are managed, connection is communicated between second communication module and first communication module；Institute
State the second communication module and also communicated between second microprocessor and is connected；Second microprocessor is also respectively with described
Two power modules, prompting module electrical connection.
3. infusion monitoring system according to claim 2, it is characterised in that：The prompting module include display screen and/or
Loudspeaker, the display screen is electrically connected by drive circuit with second microprocessor；The loudspeaker passes through electronic switch
Electrically connected with second microprocessor.
4. infusion monitoring system according to claim 3, it is characterised in that：The electronic switch includes relay, described
The coil of relay is electrically connected with second microprocessor, and the normally opened contact of the relay is electrically connected with the loudspeaker.
5. infusion monitoring system according to claim 1, it is characterised in that：The suspension arrangement includes upper connecting rod, lower company
Bar, one end of the upper connecting rod is provided with the link for being hung on the Infusion support, and the other end of the upper connecting rod is set
There is upper connecting portion, the upper connecting portion is removably connected to the weighing sensor；
One end of the lower link is provided with the hook for hanging infusion bottle, and the other end of the lower link is provided with lower connection
Portion, the lower connecting portion is removably connected to the weighing sensor.
6. infusion monitoring system according to claim 1, it is characterised in that also include：Button, the button and described the
One microprocessor is electrically connected.
7. the infusion monitoring system according to any one in claim 1~6, it is characterised in that：The AD conversion module
The length of line is within 40cm between the first microprocessor.
8. the infusion monitoring system according to any one in claim 1~6, it is characterised in that：The weighing sensor
For bridge type weighing sensor, the bridge type weighing sensor include resistance strain type pressure sensor or capacitive pressure transducer or
Piezoelectric pressure indicator；
The AD conversion module is model HX711 8 bit A/D converters or model PCF8591 24 bit A/D converters.
9. the infusion monitoring system according to Claims 2 or 3 or 4, it is characterised in that：First communication module, second
Communication module is Zigbee communication modules.
10. the infusion monitoring system according to Claims 2 or 3 or 4, it is characterised in that：The first microprocessor is grand
The STC12C5A32S2 series monolithics of brilliant science and technology production；Second microprocessor is sent for raspberry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620839121.XU CN206548933U (en) | 2016-08-04 | 2016-08-04 | A kind of infusion monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620839121.XU CN206548933U (en) | 2016-08-04 | 2016-08-04 | A kind of infusion monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206548933U true CN206548933U (en) | 2017-10-13 |
Family
ID=60368808
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620839121.XU Expired - Fee Related CN206548933U (en) | 2016-08-04 | 2016-08-04 | A kind of infusion monitoring system |
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| CN (1) | CN206548933U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109224196A (en) * | 2018-10-18 | 2019-01-18 | 大连大学 | A kind of method of monitoring transfusion surplus |
-
2016
- 2016-08-04 CN CN201620839121.XU patent/CN206548933U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109224196A (en) * | 2018-10-18 | 2019-01-18 | 大连大学 | A kind of method of monitoring transfusion surplus |
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