CN109498905A - Infusion induction alarm device - Google Patents
Infusion induction alarm device Download PDFInfo
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- CN109498905A CN109498905A CN201910013333.0A CN201910013333A CN109498905A CN 109498905 A CN109498905 A CN 109498905A CN 201910013333 A CN201910013333 A CN 201910013333A CN 109498905 A CN109498905 A CN 109498905A
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- module
- drop
- infusion
- wall
- alarm device
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
- A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/165—Filtering accessories, e.g. blood filters, filters for infusion liquids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16886—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body for measuring fluid flow rate, i.e. flowmeters
- A61M5/1689—Drip counters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
- A61M2205/3386—Low level detectors
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention relates to field of mechanical technique, in particular infusion induction alarm device, including infusion support, infusion alarm system is provided in control panel, infusion alarm system includes level sensing module and drop detection module, drop pot is gripped by the hair clip of setting, it is simplified to fix mode, convenient for medical staff's fast operating, transparent configuration is set by hair clip simultaneously, the dropping liquid in drop pot can be observed convenient for medical staff, by the way that filter screen is arranged, when drop passes through filter screen, drop is divided into multiple tiny drops, it is not easy to generate sputtering phenomenon with liquid level, by the way that level sensing module is arranged, it can be realized level gauging, and early warning work is realized by warning module, reduce family numbers of patients or the fatigue of medical staff, by the way that drop detection module is arranged, realize the detection of liquid dropping, and calculate drop Speed, while alarm can be carried out in dripless speed, medical staff's timing is prompted to replace infusion bottle.
Description
Technical field
The present invention relates to field of mechanical technique, specially infusion induction alarm device.
Background technique
Intravenous injection is a kind of medical method, i.e., the liquid substances such as blood, medical fluid, nutrient solution is injected directly into vein
In.Intravenous injection can divide transience and continuity, and the intravenous injection of transience is mostly directly injected into vein with syringe, i.e., general common
" having an injection ";Successional intravenous injection is then implemented with intravenous drip, is commonly called as " being infused ".
In clinic, in order to timely replace infusion bottle after infusion or pull out needle, when infusion need family numbers of patients or
Person medical staff constantly observes transfusion condition, but long-term attention is concentrated and can cause one for family numbers of patients or medical staff
Fixed fatigue, leads to security risk phenomenon occur.In consideration of it, it is proposed that infusion induction alarm device.
Summary of the invention
It is mentioned above in the background art long-term to solve the purpose of the present invention is to provide infusion induction alarm device
Attention, which is concentrated, to cause certain fatigue for family numbers of patients or medical staff, lead to the problem of security risk phenomenon occur.
To achieve the above object, the invention provides the following technical scheme:
It is infused induction alarm device, including infusion support, the both ends at the top of the infusion support are mounted on hook, the hook
On be provided with infusion bottle, the bottom of the infusion bottle is provided with drop pot, passes through communicating pipe between the drop pot and the infusion bottle
It communicates, the outer wall of the drop pot is equipped with drop pot fixture, and the drop pot fixture includes two clamp rings in semicircle, the clamp ring
Inner wall is equipped with infrared survey component, and clamp ring outer wall both ends offer screw thread on the clamping plate integrally formed with clamping plate
Hole is equipped with bolt in the threaded hole, one of them described clamping plate outer wall is equipped with bobbin winder device, and the bobbin winder device includes
A pair of of mounting plate is provided with wire-wrap board in two mounting plates, one of them described mounting plate outer wall is equipped with crank, described
The inner wall of mounting plate offers rotation slot, and the side of the wire-wrap board is equipped with connecting shaft, the installation close to described crank one end
Plate outer surface offers connecting hole, and the mounting plate offers limiting slot close to the connecting hole side, the wire-wrap board it is outer
Wall is wound with connecting rope, and the other end of the connecting rope is equipped with spacing collar.Preferably, the bolt and the threaded hole spiral shell
Line connection.Preferably, the wire-wrap board and rotation slot rotation connection.Preferably, the crank include drive rod and
Driver plate, one end of the drive rod offer sliding slot, and the side of the sliding slot offers card slot, one end peace of the driver plate
Equipped with snap ring, inner wall one end of the snap ring is equipped with fixture block, and the other end of the driver plate offers jack, in the jack
Inserting column is installed.Preferably, the fixture block and the card slot are engaged by clamping.Preferably, the infusion support outer wall is also installed
There is control panel, the bottom of the drop pot is provided with liquid trap, and the inner wall top of the liquid trap is provided with filter screen, the product
The bottom of liquid pipe is equipped with perfusion tube.Preferably, the section of the liquid trap is trapezoidal.Preferably, the control panel
It is inside provided with infusion alarm system, the infusion alarm system includes level sensing module and drop detection module, the liquid level
Detection module includes ultrasound examination module, LCD MODULE, setup module and warning module;
The ultrasound examination module is used to realize level gauging by Ultrasonic Pulse-Echo echo;The liquid crystal display
Module is used to the data of level gauging carrying out digital display;The setup module is used to be arranged the numerical value of early warning;The warning module
When reaching early warning numerical value for liquid level, sound an alarm.Preferably, the drop detection module includes photoelectric sensing module, list
Piece machine module, transfusion drip speed detection module, display module and alarm module;The photoelectric sensing module passes through light transmission principle,
The drop of liquid is detected;The analog signal that the one-chip computer module will test is converted into the number letter that can be identified
Number;
The transfusion drip speed detection module calculates the speed of drop by the default program of single-chip microcontroller;The display module is used
In drop speed carry out digital display;The alarm module is for carrying out alarm in dripless speed.Induction alarm of being infused fills
Set, operating procedure is as follows: S1: infusion bottle is suspended on hook by installation, and ultrasonic wave inspection is equipped at the top of infusion bottle
Two clamp rings are clamped in drop pot outer wall at this time by probing head, and by the substrate in alignment at clamp ring both ends, so that the spiral shell on two clamping plates
Pit is located in same horizontal line, is threaded into threaded hole by bolt, can fix two clamp rings, and make clamp ring inner wall
On infrared survey component joint drop pot outer wall;S2: drop pot is fixed, and one end of connecting rope is tied up on wire-wrap board, will be connected
The other end of rope ties up on spacing collar, will limit snare at this time in infusion bottle outer wall, and be rotated by crank and drive connecting shaft rotation,
So that wire-wrap board rotates in the rotation slot in mounting plate, and connecting rope is wrapped on wire-wrap board, so that connecting rope is generally
Straight condition;S3: level sensing, ultrasound examination module realize level gauging by Ultrasonic Pulse-Echo echo, pass through liquid
The data of level gauging are carried out digital display by brilliant display module, and the numerical value of early warning is arranged by setup module, is existed by warning module
When liquid level reaches early warning numerical value, sound an alarm;S4: drop detection, photoelectric sensing module is by light transmission principle, to the point of liquid
Drop is detected, and the analog signal that one-chip computer module will test is converted into the digital signal that can be identified, transfusion drip speed detection
Module calculates the speed of drop by the default program of single-chip microcontroller, carries out digital display by the speed of the drop of display module, passes through
Alarm module carries out alarm in dripless speed.
Compared with prior art, beneficial effects of the present invention:
1, the infusion induction alarm device, is threaded into threaded hole by bolt, can be fixed two clamp rings, and make
Infrared survey component joint on clamp ring inner wall is in drop pot outer wall.2, infusion induction alarm device, by winding connecting rope
On wire-wrap board, so that connecting rope generally straight condition, by connecting rope to the pulling force of drop pot fixture, so that drop pot fixture is whole
Body installation is stablized, and is not easy to shake.3, infusion induction alarm device, by the way that fixture block to be stuck in card slot, in driver plate rotation
It is able to drive drive rod rotation, and then realizes the rotation of wire-wrap board.4, the infusion induction alarm device, by by fixture block from card slot
It slides into sliding slot, in driver plate rotation, fixture block slides in sliding slot, and drive rod can not rotate, so that driver plate is rotating
When, wire-wrap board can not rotate, convenient for fixing to crank and wire-wrap board.5, infusion induction alarm device, by setting
Filter screen is set, when drop passes through filter screen, drop is divided into multiple tiny drops, is not easy to generate sputtering now with liquid level
As, while hydrops tube section is with a narrow upper and lower width trapezoidal, and drop is slid along hydrops inside pipe wall, further avoids splashing
Penetrate phenomenon.6, the infusion induction alarm device can be realized level gauging, and pass through early warning by the way that level sensing module is arranged
Module realizes early warning work, reduces family numbers of patients or the fatigue of medical staff.7, the infusion induction alarm device, passes through setting
Drop detection module, realizes the detection of liquid dropping, and calculates the speed of drop, while can carry out in dripless speed
Alarm prompts medical staff's timing to replace infusion bottle.8, the infusion induction alarm device carries out drop pot by the hair clip of setting
It grips, is simplified to fix mode, be convenient for medical staff's fast operating, while setting transparent configuration for hair clip, be convenient for medical care
Personnel can observe the dropping liquid in drop pot.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is drop pot clamp structure schematic diagram of the invention;
Fig. 3 is bobbin winder device Structure explosion diagram of the invention;
Fig. 4 is crank structure explosive view of the invention;
Fig. 5 is infusion alarm system module map of the invention;
Fig. 6 is level sensing module figure of the invention;
Fig. 7 is ultrasound examination module circuit diagram of the invention;
Fig. 8 is single chip circuit figure in ultrasound examination module of the invention;
Fig. 9 is LCD MODULE circuit diagram of the invention;
Figure 10 is setup module circuit diagram of the invention;
Figure 11 is warning module circuit diagram of the invention;
Figure 12 is ultrasound examination module flow diagram of the invention;
Figure 13 is drop detection module map of the invention;
Figure 14 is detection front end circuit figure of the invention;
Figure 15 is signal amplification circuit figure of the invention;
Figure 16 is voltage comparator circuit figure of the invention;
Figure 17 is that module circuit diagram is trembled in of the invention disappearing;
Figure 18 is that one-chip computer module of the invention connects circuit diagram with display module;
Figure 19 is transfusion speed detection module figure of the invention;
Figure 20 is transfusion speed detection module flow chart of the invention;
Figure 21 is alarm module circuitry figure of the invention;
Figure 22 is 6 overall structure diagram of the embodiment of the present invention;
Figure 23 is hairpin structure schematic diagram of the invention.
In figure: 1, infusion support;11, it links up with;12, control panel;13, infusion bottle;14, pot is dripped;15, communicating pipe;16, product
Liquid pipe;17, filter screen;18, perfusion tube;2, pot fixture is dripped;21, bobbin winder device;211, mounting plate;212, wire-wrap board;213, it shakes
?;2131, drive rod;2132, driver plate;2133, sliding slot;2134, card slot;2135, snap ring;2136, fixture block;2137, jack;
2138, limited post;214, rotation slot;215, connecting shaft;216, connecting hole;217, limiting slot;22, clamp ring;23, infrared survey group
Part;24, clamping plate;25, threaded hole;26, bolt;3, connecting rope;4, spacing collar;5, ultrasonic detecting probe;6, hair clip;61, it presss from both sides
Hold plate;62, plate is held;63, torque spring.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, the meaning of " plurality " is two or more, unless otherwise specifically defined.
Embodiment 1
Infusion induction alarm device, as shown in Figure 1 to Figure 3, including infusion support 1, the both ends at 1 top of infusion support are mounted on
Hook 11 is linked up with and is provided with infusion bottle 13 on 11, and the bottom of infusion bottle 13 is provided with drop pot 14, drips between pot 14 and infusion bottle 13
It being communicated by communicating pipe 15, the outer wall of drop pot 14 is equipped with drop pot fixture 2, and drop pot fixture 2 includes two clamp rings 22 in semicircle,
The inner wall of clamp ring 22 is equipped with infrared survey component 23, and 22 outer wall both ends of clamp ring are opened on clamping plate 24 integrally formed with clamping plate 24
Equipped with threaded hole 25, bolt 26 is installed, one of 24 outer wall of clamping plate is equipped with bobbin winder device 21, around traditional thread binding in threaded hole 25
Setting 21 includes a pair of of mounting plate 211, and wire-wrap board 212, one of 211 outer wall of mounting plate peace are provided in two mounting plates 211
Equipped with crank 213, the inner wall of mounting plate 211 offers rotation slot 214, and the side of wire-wrap board 212 is equipped with connecting shaft 215, leans on
211 outer surface of mounting plate of nearly 213 one end of crank offers connecting hole 216, and mounting plate 211 is opened up close to 216 side of connecting hole
There is limiting slot 217, the outer wall of wire-wrap board 212 is wound with connecting rope 3, and the other end of connecting rope 3 is equipped with spacing collar 4, bolt 26
It is threadedly coupled with threaded hole 25, wire-wrap board 212 and rotation slot 214 are rotatablely connected.
In the present embodiment, clamp ring 22 is made of PP plastic material, and material has certain toughness, and surface is smooth,
Convenient for being accommodated to drop pot 14.Further, infrared survey component 23 includes infrared light-emitting diode and infrared receiving tube, red
The patch infrared emission for the model IR19-21C/TR8 that UV light-emitting diode is produced using Zhongshan city Guang Ling Electronics Co., Ltd.
Pipe, infrared receiving tube receive head using the patch of the model BH-5938-KN of Shenzhen Bo Sihong Science and Technology Ltd. production,
Infrared light-emitting diode is installed therein 22 inner wall of clamp ring, and infrared receiving tube is mounted on another 22 inner wall of clamp ring, and red
UV light-emitting diode and infrared receiving tube are located on same level straight line.Specifically, the size and connecting hole 216 of connecting shaft 215
Size be adapted, connecting shaft 215 is rotated on connecting hole 216.In addition, spacing collar 4 is made of rubber material,
Convenient for 4 sets of spacing collar on infusion bottle 13.
In addition to this, one end of crank 213 passes through connecting hole 216, and is fixed in connecting shaft 215, specifically, crank
213 and the fixed form of connecting shaft 215 glue close adhesion can be used, convenient for driving wire-wrap board 212 by the rotation of crank 213
It is rotated in mounting plate 211.
During installation, infusion bottle 13 is suspended on hook 11, and is being infused for the infusion induction alarm device of the present embodiment
The top of bottle 13 is equipped with ultrasonic detecting probe 5, two clamp rings 22 is clamped in drop 14 outer wall of pot at this time, and by clamp ring 22
The clamping plate 24 at both ends is aligned, so that the threaded hole 25 on two clamping plates 24 is located in same horizontal line, is threaded by bolt 26
, can be fixed by two clamp rings 22 in threaded hole 25, and the infrared survey component 23 on 22 inner wall of clamp ring is made to be fitted in drop pot
14 outer walls.
When drop pot 14 is fixed, one end of connecting rope 3 is tied up on wire-wrap board 212, by the other end system of connecting rope 3
On spacing collar 4,4 sets of spacing collar are rotated by crank 213 and connecting shaft 215 are driven to rotate in 13 outer wall of infusion bottle at this time,
So that wire-wrap board 212 rotates in the rotation slot 214 in mounting plate 211, and connecting rope 3 is wrapped on wire-wrap board 212, is made
The generally straight condition of connecting rope 3 is obtained, by the pulling force of 3 pairs of drop pot fixtures 2 of connecting rope, so that drop 2 integral installation of pot fixture is steady
It is fixed, it is not easy to shake.
Embodiment 2
As second of embodiment of the invention, for the ease of crank 213 is fixed, the present invention staff is to crank
213 structure makes improvements, as a kind of preferred embodiment, as shown in figure 4, crank 213 includes drive rod 2131 and driver plate
2132, one end of drive rod 2131 offers sliding slot 2133, and the side of sliding slot 2133 offers card slot 2134, driver plate 2132
One end is equipped with snap ring 2135, and inner wall one end of snap ring 2135 is equipped with fixture block 2136, and the other end of driver plate 2132 offers
Jack 2137, inserting column 2138 is equipped in jack 2137, and fixture block 2136 and card slot 2134 are engaged by clamping.
In the present embodiment, fixture block 2136 and sliding slot 2133 are slidably matched, and are rotated by fixture block 2136 in sliding slot 2133, so that
Drive rod 2131 rotates in snap ring 2135.Further, the size of limited post 2138 and the size of jack 2137 are adapted, just
It is inserted into jack 2137 in limited post 2138.Specifically, limited post 2138 and limiting slot 217 are mating, convenient for that will limit
Column 2138 is inserted into limiting slot 217, and is fixed to crank 213.The infusion induction alarm device of the present embodiment
Crank 213 is in use, under peacetime state, and fixture block 2136 is stuck in the card slot 2134 in snap ring 2135, by being inserted in jack 2137
Interior limited post 2138 drives driver plate 2132 to rotate, since fixture block 2136 is stuck in card slot 2134, when driver plate 2132 rotates
It is able to drive the rotation of drive rod 2131, and then realizes the rotation of wire-wrap board 212, when crank 213 is fixed, by driver plate
2132 push to 2131 side of drive rod, so that fixture block 2136 slides into sliding slot 2133 from card slot 2134, at this time by being inserted in
Limited post 2138 in jack 2137 drives driver plate 2132 to rotate, since fixture block 2136 is located in sliding slot 2133, driver plate
Fixture block 2136 slides in sliding slot 2133 when 2132 rotation, and drive rod 2131 can not rotate, so that driver plate 2132 is rotating
When, wire-wrap board 212 can not rotate, and at this time rotate the limited post 2138 of driver plate 2132 to 217 side of limiting slot, pass through limit
Position column 2138 is passed through to limiting slot 217 and is supported solid to that on wire-wrap board 212, can carry out limiting to crank 213 and wire-wrap board 212
It is fixed.
Embodiment 3
As the third embodiment of the invention, in the actual operation process, when being fallen due to drop, drop and liquid level meeting
After contact, drop sputtering phenomenon can be generated, and the drop sputtered can also be detected by infrared survey component 23, lead to drop detection
There are problems that certain error, to solve the above-mentioned problems, the present invention staff also sets up liquid trap 16, as a kind of preferred implementation
Example, 1 outer wall of infusion support are also equipped with control panel 12, and the bottom of drop pot 14 is provided with liquid trap 16, the inner wall top of liquid trap 16
End is provided with filter screen 17, and the bottom of liquid trap 16 is equipped with perfusion tube 18, and the section of liquid trap 16 is trapezoidal.The present embodiment
In, liquid trap 16 is connected with drop pot 14 by flexible pipe for medical purpose, is drained into liquid trap 16 convenient for the infusion in drop pot 14.Into one
Step, filter screen 17 is stainless steel cloth, mesh number 50, string diameter 0.19mm, aperture 0.318mm, so that drop passes through
Filter screen 17 is divided into multiple tiny drops, is not easy to generate sputtering phenomenon with liquid level.Specifically, liquid trap 16 and perfusion tube
18 communicate, so that the drop inside liquid trap 16 is discharged from perfusion tube 18.The drop pot of the infusion induction alarm device of the present embodiment
14 in use, drop is fallen directly into from drop pot 14 into liquid trap 16, and when drop passes through filter screen 17, drop is divided into more
A tiny drop is not easy to generate sputtering phenomenon with liquid level, since 16 section of liquid trap is with a narrow upper and lower width trapezoidal, so that drop
It can be slid along 16 inner wall of liquid trap, further avoid sputtering phenomenon.
Embodiment 4
It as the 4th kind of embodiment of the invention, is detected for the ease of the position to liquid level, the present invention staff's setting
Level sensing module as shown in Figure 5 and Figure 6, is provided with infusion report as the 4th kind of embodiment of the invention in control panel 12
Alert system, infusion alarm system includes level sensing module and drop detection module, and level sensing module includes ultrasound examination
Module, LCD MODULE, setup module and warning module, ultrasound examination module are used to pass through Ultrasonic Pulse-Echo echo
Realize that level gauging, LCD MODULE are used to the data of level gauging carrying out digital display, setup module is for being arranged early warning
Numerical value sounds an alarm when warning module reaches early warning numerical value for liquid level.
In the present embodiment, ultrasound examination module is based on HC-SR04 design of ultrasonic distance measuring module, HC-SR04 ultrasonic wave
Range finder module includes signal control circuit, ultrasonic receiver and ultrasonic transmitter, HC-SR04 electric parameter such as following table institute
Show:
HC-SR04 electric parameter
Ultrasound examination module circuit diagram is as shown in fig. 7, wherein for 5V power supply, the input of the end Trig, which is set out, controls letter at the end VCC
Number, the end Echo exports response signal, the end GND ground connection;Ultrasound examination module triggers ranging using single-chip processor i/o mouth, gives module
As soon as control port 10us or more high level signal, module will start operating mode, send the side of 8 40khz automatically
Then wave starts to have detected whether return signal automatically in ultrasonic wave receiving end.If there is signal return, just pass through one I/O mouthfuls
High level is exported, it is exactly this high level that ultrasonic wave carrys out the time used in back propagation between ultrasonic transmitter to measurand
Retention time, ultrasound examination module testing process is as shown in figure 12.Further, ultrasound examination module is additionally provided with
The minimum system of MCS-51 series monolithic, including single-chip microcontroller, clock circuit, reset circuit, input-output apparatus, circuit is such as
Shown in Fig. 8, XTAL1 (19 feet of single-chip microcontroller) and XTAL2 (18 feet of single-chip microcontroller) is independent input, output reverse phase amplification in figure
Device, the two feet can using quartz crystal oscillator be single-chip microcontroller configuration slice internal oscillator, in addition it is also possible to directly by XTAL1,
XTAL2 is driven by external clock, using internal clocking mode in the present embodiment, that is, it is electric with the internal oscillator of single-chip microcontroller
Road clock, on the pin of XTAL1, XTAL2 respectively it is external with need mating element, i.e. a quartz crystal and two electricity
Hold, internal oscillator can generate self-oscillation, it is generally the case that the value of crystal oscillator can arbitrarily be selected between 1.2~12MHz
It selects, in the present embodiment using the quartz crystal oscillator of 11.0592M, by changing the size with two capacitors of crystal oscillator parallel connection
Frequency can be finely tuned.Specifically, LCD MODULE uses LCD1602 liquid crystal display, LCD1602 is special using the physics of liquid crystal
Property, the region for going control to show with voltage has electricity just to have display, can show figure corresponding with output information in this way
The connection circuit of shape, LCD1602 and single-chip microcontroller is as shown in Figure 9.It is worth noting that setup module designs four keys altogether, it is main
Wanting task is the normal model for setting default liquid level, and circuit is as shown in Figure 10, Key1: mode (DH or DL) selection, for being arranged
The range of default normal level;Key2: the size of each change value is selected, i.e., is incremented by (subtracting) 1 or 0.1 every time;Key3: it passs
Add;Key4: successively decrease.In addition, warning module alarm uses power amplifier of the LM386 as alarm, LM386 is a kind of audio
Integrated amplifier, with oneself power consumption, low, voltage gain be can adjust, supply voltage range is big, outward element is few and total harmonic distortion
The circuit of the advantages that small, warning module are as shown in figure 11, and the input terminal of LM386 connects the P3.4 pin of single-chip microcontroller, and output termination is raised
Sound device, when numerical value of the practical liquid level lower than setting, single-chip microcontroller respective pins export the signal of certain frequency, and signal passes through audio
After power amplifier amplification, alarm is issued.When in use, ultrasound examination module passes through ultrasound to the level sensing module of the present embodiment
Pulse-echo echo realizes level gauging, and the data of level gauging are carried out digital display by LCD MODULE, pass through setting
The numerical value of module setting early warning is sounded an alarm through warning module when liquid level reaches early warning numerical value.
Embodiment 5
It as the 5th kind of embodiment of the invention, is detected for the ease of the speed to drop, the present invention staff's setting
Drop detection module, as a kind of preferred embodiment, as shown in figure 13, drop detection module includes photoelectric sensing module, monolithic
Machine module, transfusion drip speed detection module, display module and alarm module, photoelectric sensing module is by light transmission principle, to liquid
Drop detected, the analog signal that one-chip computer module will test is converted into the digital signal that can be identified, transfusion drip speed
Detection module calculates the speed of drop by the default program of single-chip microcontroller, and the speed for the drop that display module is used for carries out digital display,
Alarm module is for carrying out alarm in dripless speed.In the present embodiment, photoelectric sensing module includes detection front end circuit, letter
Number amplifying circuit, voltage comparator circuit and disappear and tremble modular circuit, detection front end circuit is as shown in figure 14, and infrared light-emitting diode exists
Emit constant infrared ray under constant power drives, infrared ray generates reflection by external object, red then by infrared receiving tube
Outer reception pipe generates pulse signal according to the strong and weak of the infrared signal received;
The problem of due to infrared optical power, it is mV grades of voltage, so must that the signal for receiving circuit generation is very small
It must be amplified by amplifying circuit, can just obtain the signal that can be identified, amplifier is by integrated operational amplifier LM324
The AC amplifier in the same direction constituted, amplification factor: AV=1+R4/R5, AV=1+500/22=23 in the present embodiment pass through
23 times of enhanced processing, the collected signal of photoelectric sensing module can be easily processed, and signal amplification circuit is as schemed
Shown in 15;The signal crossed by enhanced processing, high level, low level are not standard, cannot directly be identified by single-chip microcontroller
Processing, it is therefore desirable to convert non-type pulse signal to using voltage comparator the pulse signal of standard, voltage comparator
Input voltage can be compared with normal voltage, lower than normal voltage, comparator exports 0 voltage (low-voltage), is higher than standard
Voltage, comparator output HIGH voltage (4-5V), in this way, the conversion of signal is just completed, in the present embodiment, using integrated voltage
Comparator LM339 compares to do voltage, and R7 is potentiometer, and adjustment criteria voltage, R8 is pull-up resistor, and voltage comparator circuit is as schemed
Shown in 16;Through experiments, it was found that the output waveform of photoelectric sensing module, will appear a drop when being influenced by ambient light and produces
The phenomenon that raw two pulses, be additionally provided with to disappear thus and tremble modular circuit, circuit as shown in Figure 17, use 555 triggers for for
Master chip, 1 foot ground connection, 3 feet are empty foot, and 5 feet connect capacitor C5, capacitor C1 and capacitor C5 series connection, and the R1 that connects connects power input.
Further, one-chip computer module uses American ATMEL production model for the single-chip microcontroller of AT89C51, and AT89C51 is low electricity
Pressure, 8 single-chip microcontrollers of high-performance CMOS, piece include 4k bytes re-erable Flash read-only program memory and
The random access data storage (RAM) of 128bytes, device use the high-density, non-volatile memory technology of atmel corp
Production, compatibility standard MCS-51 instruction system, general 8 central processing units (CPU) and Flash storage unit built in piece, function
Powerful AT89C51 single-chip microcontroller can provide the application of many high performance-price ratios for you, can be flexibly applied to various control fields.This
Outside, display module is arranged based on DM-162 Liquid Crystal Module, and DM-162 Liquid Crystal Module is connected with single-chip microcontroller as shown in figure 8, DM-162
Liquid Crystal Module can show 2 row, 16 characters, there is 8 bit data bus D0~D7 and RS, tri- control ports of R/W, EN, operating voltage
For 5V, and there is character contrast adjustment and backlight function;DM-162 Liquid Crystal Module, in which: the 1st foot: VSS is ground power supply;
2nd foot: VDD connects 5V positive supply;3rd foot: V0 is liquid crystal display setting contrast end, and contrast is most weak when connecing positive supply, connects
Contrast highest when ground power supply, can generate " ghost " when contrast is excessively high, can pass through the potentiometer adjustment of a 10K when use
Contrast;4th foot: RS is register selection, selection instruction register when selection data register, low level when high level;
5th foot: RW is reading writing signal line, and when high level carries out read operation, and when low level carries out write operation, and RS and RW are common
To can be written into instruction or display address when low level, busy signal can be read when it is high level that RS, which is low level RW, works as RS
It can be written into data when for high level RW being low level;6th foot: the end E is enable end, when the end E is jumped by high level into low level
When, Liquid Crystal Module executes order;7th~14 foot: D0~D7 is 8 bidirectional data lines;15th~16 foot: empty foot.AT89C51
It is connected as shown in figure 18 with DM-162 LCD module circuit.It is worth noting that as shown in figure 19, transfusion speed detection module packet
Counter module, timer module, detection pulse module and velocity test algoritic module are included, counter module is used for drop
Drop number counted, timer module is used to set the time interval of counter module, and detection pulse module is for detecting arteries and veins
Signal is rushed, velocity test algorithm is used to calculate the speed of drop number;
Velocity test algoritic module process is as shown in figure 20, and steps are as follows:
(1), using timer timing, setting time 50ms opens counter, and opening timing device creates a timez
[3] array carrys out storage time amount, and counter O reset is calculated as COUNT=0 as the initial value of recording pulse signal;
(2), when detecting the pulse signal of first arrival, program carries out interrupt processing, and counter adds 1 to be COUNT
=1, timer time time is taken out, and will be saved in array the time;
(3) speed of each drop sequentially saves the time that timez [2] is the first drop, when timez [0] is third drop
Between.
Testing algorithm module formula is as follows: V=2400 (time [0]-time [2])
The transfusion speed detection module of the number of infusion drops sensitive display of the present embodiment is in use, pass through counter module pair
The drop number of drop is counted, and the time interval of counter module is set by timer module, passes through detection pulse module inspection
Pulse signal is surveyed, is used to calculate the speed of drop number by velocity test algorithm.
In addition, alarm module is designed using the groove profile photoelectrical coupler of MOC70T, circuit such as Figure 21 design, when drop pot 14
When inside there is liquid, the infrared energy that phototriode receives is minimum, at this point, phototriode output is in high-impedance state, with
The result of R2 partial pressure makes phase inverter D1 input low level, and D2 exports low level, controlled oscillator failure of oscillation, and when liquid is finished,
There is no liquid in drop pot 14, and when what is passed through is infrared ray absorption ability smaller air, phototriode receives red
Outer heat input increases, and output impedance becomes smaller, and makes D1 input high level with the result of R2 partial pressure, D2 exports high level and releases controlled vibration
It swings the control of device and alarms.
When the drop detection module work of the present embodiment, photoelectric sensing module is by light transmission principle, to the drop of liquid
It is detected, the analog signal that one-chip computer module will test is converted into the digital signal that can be identified, transfusion drip speed detects mould
Block calculates the speed of drop by the default program of single-chip microcontroller, carries out digital display by the speed of the drop of display module, passes through report
Alert module carries out alarm in dripless speed.
Embodiment 6
It, will drop pot folder in the present embodiment for the ease of the Fast Installation to entirety as the 6th kind of embodiment of the invention
Tool 2 is substituted for hair clip 6, and makes improvements to 6 structure of hair clip, as a kind of preferred embodiment, as shown in Figure 22 and Figure 23, drop
14 outer wall of pot is clamped with hair clip 6, and hair clip 6 includes a pair of of grip block 61 and a pair of of holding plate 62, and grip block 61 and holding plate 62 are
Integrated formed structure, grip block 61 and holding plate 62 are arc-shaped, are equipped with torque spring 63 between two holding plates 62, clamp
Plate 61 is made of transparent plastic material, and 61 inner wall of grip block is equipped with infrared survey component 23.Pass through the hair clip of setting
6 pairs of drop pots 14 grip, and are simplified to fix mode, are convenient for medical staff's fast operating, while setting transparent for hair clip 6
Structure can observe the dropping liquid in drop pot 14 convenient for medical staff.
Infusion induction alarm device, operating procedure are as follows: S1: infusion bottle 13 is suspended on hook 11 by installation, and
The top of infusion bottle 13 is equipped with ultrasonic detecting probe 5, two clamp rings 22 is clamped in drop 14 outer wall of pot at this time, and by clamp ring
The clamping plate 24 at 22 both ends is aligned, so that the threaded hole 25 on two clamping plates 24 is located in same horizontal line, is screwed by bolt 26
, can be fixed by two clamp rings 22 into threaded hole 25, and the infrared survey component 23 on 22 inner wall of clamp ring is made to be fitted in drop
14 outer wall of pot;S2: drop pot 14 is fixed, and one end of connecting rope 3 is tied up on wire-wrap board 212, the other end of connecting rope 3 is tied up to limit
On position circle 4,4 sets of spacing collar are rotated by crank 213 and connecting shaft 215 is driven to rotate in 13 outer wall of infusion bottle at this time, so that
Wire-wrap board 212 rotates in the rotation slot 214 in mounting plate 211, and connecting rope 3 is wrapped on wire-wrap board 212, so that connection
The generally straight condition of rope 3;S3: level sensing, ultrasound examination module realize that liquid level is surveyed by Ultrasonic Pulse-Echo echo
The data of level gauging are carried out digital display by LCD MODULE, the numerical value of early warning are arranged by setup module, by pre- by amount
Alert module is sounded an alarm when liquid level reaches early warning numerical value;
S4: drop detection, photoelectric sensing module detect the drop of liquid, single-chip microcontroller mould by light transmission principle
The analog signal that block will test is converted into the digital signal that can be identified, transfusion drip speed detection module passes through the default journey of single-chip microcontroller
Sequence calculates the speed of drop, digital display is carried out by the speed of the drop of display module, by alarm module in dripless speed
Shi Jinhang alarm.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (10)
1. induction alarm device of being infused, including infusion support (1), the both ends at the top of the infusion support (1) are mounted on hook (11),
It is provided with infusion bottle (13) on the hook (11), the bottom of the infusion bottle (13) is provided with drop pot (14), the drop pot
(14) it is communicated between the infusion bottle (13) by communicating pipe (15), it is characterised in that: the outer wall installation of drop pot (14)
There is drop pot fixture (2), drop pot fixture (2) includes two clamp rings (22) in semicircle, the inner wall installation of the clamp ring (22)
Have infrared survey component (23), clamp ring (22) the outer wall both ends are opened on the clamping plate (24) integrally formed with clamping plate (24)
Equipped with threaded hole (25), bolt (26) are installed in the threaded hole (25), one of them described clamping plate (24) outer wall is equipped with
Bobbin winder device (21), the bobbin winder device (21) include a pair of of mounting plate (211), are provided in two mounting plates (211)
Wire-wrap board (212), one of them described mounting plate (211) outer wall are equipped with crank (213), the inner wall of the mounting plate (211)
It offers rotation slot (214), the side of the wire-wrap board (212) is equipped with connecting shaft (215), close to the crank (213) one
Mounting plate (211) outer surface at end offers connecting hole (216), and the mounting plate (211) is close to the connecting hole (216) side
It offers limiting slot (217), the outer wall of the wire-wrap board (212) is wound with connecting rope (3), the other end of the connecting rope (3)
Spacing collar (4) are installed.
2. infusion induction alarm device according to claim 1, it is characterised in that: the bolt (26) and the threaded hole
(25) it is threadedly coupled.
3. infusion induction alarm device according to claim 1, it is characterised in that: the wire-wrap board (212) and described turn
Dynamic slot (214) rotation connection.
4. infusion induction alarm device according to claim 1, it is characterised in that: the crank (213) includes drive rod
(2131) it is offered sliding slot (2133) with driver plate (2132), one end of the drive rod (2131), the sliding slot (2133)
Side offers card slot (2134), and one end of the driver plate (2132) is equipped with snap ring (2135), the snap ring (2135)
Inner wall one end is equipped with fixture block (2136), and the other end of the driver plate (2132) offers jack (2137), the jack
(2137) inserting column (2138) are installed in.
5. infusion induction alarm device according to claim 4, it is characterised in that: the fixture block (2136) and the card slot
(2134) it is engaged by clamping.
6. infusion induction alarm device according to claim 1, it is characterised in that: infusion support (1) outer wall is also installed
Have control panel (12), the bottom of drop pot (14) is provided with liquid trap (16), and the inner wall top of the liquid trap (16) is set
It is equipped with filter screen (17), the bottom of the liquid trap (16) is equipped with perfusion tube (18).
7. infusion induction alarm device according to claim 6, it is characterised in that: the section of the liquid trap (16) is in ladder
Shape.
8. infusion induction alarm device according to claim 6, it is characterised in that: be provided in the control panel (12)
Infusion alarm system, the infusion alarm system include level sensing module and drop detection module, the level sensing module
Including ultrasound examination module, LCD MODULE, setup module and warning module;
The ultrasound examination module is used to realize level gauging by Ultrasonic Pulse-Echo echo;
The LCD MODULE is used to the data of level gauging carrying out digital display;
The setup module is used to be arranged the numerical value of early warning;
When the warning module reaches early warning numerical value for liquid level, sound an alarm.
9. infusion induction alarm device according to claim 8, it is characterised in that: the drop detection module includes photoelectricity
Sensing module, one-chip computer module, transfusion drip speed detection module, display module and alarm module;
The photoelectric sensing module detects the drop of liquid by light transmission principle;
The analog signal that the one-chip computer module will test is converted into the digital signal that can be identified;
The transfusion drip speed detection module calculates the speed of drop by the default program of single-chip microcontroller;
The speed for the drop that the display module is used for carries out digital display;
The alarm module is for carrying out alarm in dripless speed.
10. infusion induction alarm device described in -9 any one according to claim 1, it is characterised in that: operating procedure is as follows:
S1: infusion bottle (13) is suspended on hook (11), and be equipped with ultrasound examination at the top of infusion bottle (13) by installation
It pops one's head in (5), two clamp rings (22) is clamped in drop pot (14) outer wall at this time, and the clamping plate (24) at clamp ring (22) both ends is aligned,
So that the threaded hole (25) on two clamping plates (24) is located in same horizontal line, threaded hole (25) are threaded by bolt (26)
It is interior, can be fixed by two clamp rings (22), and the infrared survey component (23) on clamp ring (22) inner wall is made to be fitted in drop pot
(14) outer wall;
S2: drop pot (14) is fixed, one end of connecting rope (3) is tied up on wire-wrap board (212), by the other end system of connecting rope (3)
On spacing collar (4), spacing collar (4) is covered in infusion bottle (13) outer wall at this time, is rotated by crank (213) and drives connecting shaft
(215) it rotates, so that rotation in rotation slot (214) of the wire-wrap board (212) in mounting plate (211), and connecting rope (3) are wound
On wire-wrap board (212), so that connecting rope (3) generally straight condition;
S3: level sensing, ultrasound examination module realize level gauging by Ultrasonic Pulse-Echo echo, pass through liquid crystal display
The data of level gauging are carried out digital display by module, and the numerical value of early warning is arranged by setup module, is reached by warning module in liquid level
When to early warning numerical value, sound an alarm;
S4: drop detection, photoelectric sensing module detect the drop of liquid by light transmission principle, and one-chip computer module will
The analog signal detected is converted into the digital signal that can be identified, transfusion drip speed detection module passes through the default program meter of single-chip microcontroller
The speed for calculating drop carries out digital display by the speed of the drop of display module, by alarm module in dripless speed into
Row alarm.
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CN201910013333.0A CN109498905A (en) | 2019-01-07 | 2019-01-07 | Infusion induction alarm device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109999271A (en) * | 2019-04-30 | 2019-07-12 | 冯耀明 | A kind of infusion alarm |
CN114870141A (en) * | 2022-04-24 | 2022-08-09 | 泰州机电高等职业技术学校 | Infusion support with detect alarm function |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6247547B2 (en) * | 1984-02-07 | 1987-10-08 | Kuriteikon Gmbh | |
CN1654091A (en) * | 2004-02-11 | 2005-08-17 | 陆爱平 | Disposable transfusion system |
CN203029703U (en) * | 2012-09-13 | 2013-07-03 | 谢世庚 | Drainage tube blood-return-resistant infusion set |
CN205379521U (en) * | 2015-12-30 | 2016-07-13 | 武汉工程大学 | Infusion monitoring alarm |
CN205832308U (en) * | 2016-04-19 | 2016-12-28 | 刘昱 | A kind of Autoamtic alarm infusion device |
CN207101587U (en) * | 2017-01-24 | 2018-03-16 | 中国人民解放军第306医院 | A kind of intelligent transfusion warning device and system |
CN207286409U (en) * | 2017-03-30 | 2018-05-01 | 李修来 | A kind of infrared drop alarm device |
CN108114345A (en) * | 2018-01-16 | 2018-06-05 | 李亚璇 | Mo Feishi dropper liquid level warning clips |
CN207980121U (en) * | 2017-06-26 | 2018-10-19 | 深圳市万方创新科技有限公司 | A kind of transfusion monitoring device |
-
2019
- 2019-01-07 CN CN201910013333.0A patent/CN109498905A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6247547B2 (en) * | 1984-02-07 | 1987-10-08 | Kuriteikon Gmbh | |
CN1654091A (en) * | 2004-02-11 | 2005-08-17 | 陆爱平 | Disposable transfusion system |
CN203029703U (en) * | 2012-09-13 | 2013-07-03 | 谢世庚 | Drainage tube blood-return-resistant infusion set |
CN205379521U (en) * | 2015-12-30 | 2016-07-13 | 武汉工程大学 | Infusion monitoring alarm |
CN205832308U (en) * | 2016-04-19 | 2016-12-28 | 刘昱 | A kind of Autoamtic alarm infusion device |
CN207101587U (en) * | 2017-01-24 | 2018-03-16 | 中国人民解放军第306医院 | A kind of intelligent transfusion warning device and system |
CN207286409U (en) * | 2017-03-30 | 2018-05-01 | 李修来 | A kind of infrared drop alarm device |
CN207980121U (en) * | 2017-06-26 | 2018-10-19 | 深圳市万方创新科技有限公司 | A kind of transfusion monitoring device |
CN108114345A (en) * | 2018-01-16 | 2018-06-05 | 李亚璇 | Mo Feishi dropper liquid level warning clips |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109999271A (en) * | 2019-04-30 | 2019-07-12 | 冯耀明 | A kind of infusion alarm |
CN114870141A (en) * | 2022-04-24 | 2022-08-09 | 泰州机电高等职业技术学校 | Infusion support with detect alarm function |
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