CN203060468U - Infusion alarming device capable of detecting infusion solution dripping speed in real time and preventing backflow - Google Patents
Infusion alarming device capable of detecting infusion solution dripping speed in real time and preventing backflow Download PDFInfo
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- CN203060468U CN203060468U CN 201320010882 CN201320010882U CN203060468U CN 203060468 U CN203060468 U CN 203060468U CN 201320010882 CN201320010882 CN 201320010882 CN 201320010882 U CN201320010882 U CN 201320010882U CN 203060468 U CN203060468 U CN 203060468U
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Abstract
An infusion alarming device capable of detecting infusion solution dripping speed in real time and preventing backflow comprises an infusion alertor which detects the infusion solution dripping speed in real time and a stop valve which prevents backflow. The infusion alertor which detects the infusion solution dripping speed in real time comprises a first fixing device (16) and an automatic alarming control circuit which is composed of an infrared photodiode (3), an infrared light-emitting diode (4), a power source switch (7), a loud speaker (8), a nixie tube (9), a power source indicator lamp (10), a function option switch (11), a parameter up-turning switch (12), a parameter down-turning switch (13), a power source (14) and a micro control chip (15) and detects the infusion solution dripping speed and whether infusion is completed or not. The stop valve which prevents backflow comprises a second fixing device (23) and a control circuit which is composed of electromagnetic automatic valves (16, 17, 18 and 19) and a pulse signal detecting module (24) and automatically switches off an infusion apparatus. The infusion alarming device capable of detecting the infusion solution dripping speed in real time and preventing backflow is simple in structure and can be widely applied to intravenous infusion occasions in environments of hospitals or families.
Description
Technical field
This utility model relates to a kind of medical auxiliary apparatus, is specifically to have the drop alarm device that real-time detection drop drips speed and anti-backflow.
Background technology
Intravenous drip infusion is medical personnel treat nursing to the patient common method.At present, traditional intravenous drip infusion has the deficiency of following two aspects: the one, and traditional intravenous drip infusion method is to drip number by medical personnel by the drop within the artificial calculating one minute, thereby by the velocity modulation regulating device that drips on the stilligout drop dripped numerical control in the scope of the best, this method not only error is big, and waste medical personnel's time.The 2nd, the needed time of intravenous drip infusion is quite long, and the patient is in lethargy or sleeping state usually, blood flows into the infusion pipe and air enters human body through tube for transfusion in order to prevent from taking place after infusion from finishing, jeopardize patient's life security, no matter transfusion time how long, all need medical personnel's whole process to accompany and attend to or the patient is carried out timing make an inspection tour.Therefore, urgent need is a kind of can detect the drop alarm device that drop drips speed and anti-backflow in real time.
At present, the function that known drop alarm device possesses is all more single, only have generally whether the drop of detection finishes function or the detection drop drips fast function, also do not have simultaneously and detect whether drop finishes function, the detection drop drips fast function and prevents that the drop alarm device of backflow functionality from existing.In known drop alarm device, generally all adopt infrared emission and reception technique that the drop signal is detected, the angle of the transmit direction of infrarede emitting diode and drop motion is traditionally arranged to be 90 degree, because the angle of divergence of infrarede emitting diode is bigger, and transparent drop not only volume is little and also little to the loss of infrared light, therefore had by drop or not have caused signal of telecommunication difference less, need to introduce comparator circuit, waveform shaping circuit is handled had or not the signal of telecommunication that causes by drop, and this increases manufacturing cost and the volume of drop detection alarm device undoubtedly.In addition, though known drop alarm device all has warning function, all do not close the function of transfusion system automatically.Hearing as medical personnel under the condition of drop chimes of doom, before finishing, do not arrive in infusion the patient next door for a certain reason, blood will take place and flow into the infusion pipe in this, and enter human body with air again through tube for transfusion, jeopardize patient's life security, therefore require medical personnel hearing that the drop chimes of doom must be placed on the work in the hands, and arrive in the patient next door timely the drop pin is extracted, this just has higher requirement to medical personnel.In known drop fluid stopping device with anti-backflow, generally all adopts the traditional transfusion system structure of improvement, in the infusion kettle, place a ball-cock assembly.When having medicinal liquid to exist in the drop kettle, ball-cock assembly floats on the medicinal liquid surface, and along with the medicinal liquid in the drop kettle descends, ball-cock assembly also descends thereupon and then cuts off infusion channel, reaches the purpose of closing transfusion system automatically.But owing to need place ball-cock assembly in the drop kettle, the manufacturing enterprise of transfusion system must change production technology; In addition, the effect of ball-cock assembly is to dam, so the accuracy of manufacture of ball-cock assembly is had relatively high expectations; At last, though known fluid stopping device of closing transfusion system automatically can be closed transfusion system automatically, but do not possess the function of reminding medical personnel, when medical personnel do not extract the syringe needle of transfusion system to the patient for a long time, medicinal liquid remaining in the stilligout will be exposed in the air for a long time, this may cause medicinal liquid contaminated or react, and then influences patient's life security.
Summary of the invention
The technical problems to be solved in the utility model is, at the defective of existing technologies, designs a kind of simple in structurely, and volume is little, low cost of manufacture, and safe and reliable real-time detection drop drips the drop alarm device of speed and anti-backflow.
The purpose of this utility model is achieved in that a kind of real-time detection drop drips the drop alarm device of speed and anti-backflow, comprises that real-time detection drop drips the drop alarm of speed and the flow-stop valve of anti-backflow.During use, will detect the drop alarm that drop drips speed respectively in real time and be installed on the drop kettle, the flow-stop valve of anti-backflow will be installed on the drop dropper.Not only volume is little but also also little to the loss of infrared light owing to transparent drop, and the angle of divergence of infrarede emitting diode is bigger, when adopting traditional infrared emission and reception technique (angle of the transmit direction of infrarede emitting diode and the drop direction of motion is 90 degree), had or not have the signal of telecommunication difference that produces less by drop, need to increase comparator circuit, waveform shaping circuit is handled the signal of telecommunication, this will increase manufacturing cost and volume, therefore this utility model adopts the infrared light refraction principle to realize drop is dripped the detection of fast signal, infrared light is produced by infrarede emitting diode and is received by infrared photodiode, the angle of the transmit direction of infrared light and drop motion is set to less than 90 degree, and puts the infrared light that a sleeve comes the parallelization infrarede emitting diode to send at the head of infrarede emitting diode.The infrared light that produces when infrarede emitting diode runs into approximate ellipsoidal in transmission course drop will reflect when dripping, and infrared photodiode does not receive infrared signal; When the infrared light that produces when infrarede emitting diode did not run into drop and drips in transmission course, infrared photodiode can receive infrared signal.Pick up counting when last dropping point drips, next dropping point stops timing when dripping, and the time difference of two dropping points between dripping before and after obtaining calculated the drop that takes place in 1 minute with this and dripped number and show.If when the time difference between front and back two dropping points drip surpasses the maximum time difference parameter that predefined front and back two dropping points drip, send alarm signal and remind medical personnel's drop to finish, reach real-time detection drop and drip the purpose whether speed and drop are finished.When the drop alarm that drips speed when real-time detection drop does not send and reports to the police, be in off state in the electric magnet loop in the flow-stop valve of anti-backflow, electric magnet can not produce magnetic force, so stilligout can be by the electric magnet pinch off; The drop alarm that drips speed when real-time detection drop detects drop and finishes and send when reporting to the police, and the electric magnet loop in the flow-stop valve of anti-backflow is connected, and electric magnet produces magnetic force, so stilligout will be by the electric magnet pinch off, and then closes the transfusion path.
Agent structure of the present utility model comprises that real-time detection drop drips the drop alarm of speed and the flow-stop valve of anti-backflow.Real-time detection drop drips fast drop alarm and comprises that fixture and detection drop drip the fast automatic alarm control circuit of whether finishing with the detection drop.The effect of this fixture is to be fixed on the drop kettle detecting the drop alarm that drop drips speed in real time, in order to avoid landing, and as detecting the carrier that drop drips speed and detects the automatic alarm control circuit whether drop finish.This detection drop drips speed and detects automatic alarm control circuit that whether drop finish and mainly transfer big switch, parameter to turn switch, infrarede emitting diode, infrared photodiode, microcontroller chip, speaker, display device and functional select switch down by power supply, parameter to form.Wherein power supply is to drip the drop alarm of speed and the working power that the flow-stop valve of anti-backflow provides operate as normal to real-time detection drop, is controlled by on and off switch.It is the maximum time difference parameter of adjusting between predefined front and back two dropping points drip in the microcontroller chip that parameter transfers big switch and parameter to turn switch down, during maximum time difference parameter between the value of the intervalometer in the microcontroller chip is dripped greater than predefined front and back two dropping points, microcontroller chip drives speaker and sends chimes of doom.Infrarede emitting diode and infrared photodiode are drop to be had or not convert corresponding pulse signal to and be transferred to microcontroller chip, microcontroller chip will calculate the speed of dripping of drop according to the pulse signal of infrared photodiode output, and show in real time in display device.Functional select switch is selected to detect in real time drop alarm that drop drips speed and is operated in the parameter adjustment pattern or is operated in and detect drop and drip speed and detect the alarm mode whether drop is finished.The flow-stop valve of anti-backflow mainly comprises the control circuit of closing transfusion system automatically on fixture and this fixture.The effect of this fixture is that the flow-stop valve that will prevent backflow is fixed on the stilligout, in order to avoid landing, and as the carrier of closing the control circuit of transfusion system automatically.This control circuit of cutting out transfusion system automatically mainly is made up of electromagnetism automatic valve, pulse signal detection module.The electromagnetism automatic valve mainly is made of electric magnet, and its effect is when electromagnetism automatic valve energized, closes the infusion channel of stilligout by magnetic force; And when the electromagnetism automatic valve did not have energized, the infusion channel of holding point dropper was smooth and easy.The main effect of pulse signal detection module is to detect the drop warning signal of telecommunication whether to produce and export the action that control signal is controlled the electromagnetism automatic valve.When the pulse signal detection module detects the alarm signal that drop alarm that real-time detection drop drips speed produces (show that drop will finish), pulse signal detection module output control signal drives the work of electromagnetism automatic valve, in order to cut off the transfusion path.
This utility model has simultaneously not only whether the drop of detection finishes function, the detection drop drips fast function and prevents backflow functionality, and simple in structure, volume is little, low cost of manufacture, safe and reliable, can be widely used in the intravenous drip infusion occasion of hospital or home environment.
Description of drawings
In order to narrate conveniently, hereinafter alleged " left side ", " right side " are consistent with the left and right direction of accompanying drawing itself, but structure of the present utility model are not played the restriction effect.
Fig. 1 is principle schematic of the present utility model.
Fig. 2 is structural principle sketch map of the present utility model.
Fig. 3 is control flow block diagram of the present utility model.
Fig. 4 is the circuit theory diagrams of an embodiment of the present utility model.
Fig. 5 is the circuit theory diagrams of pulse signal detection module of the present utility model.
Fig. 6 is the schematic diagram of first embodiment of electromagnetism automatic valve of the present utility model.
Fig. 7 is the schematic diagram of second embodiment of electromagnetism automatic valve of the present utility model.
Among the figure:
1, drop kettle 2, drop 3, infrared photodiode 4, infrarede emitting diode
5, sleeve 6, fixture 17, on and off switch 8, speaker
9, display device 10, power supply indicator 11, functional select switch 12, parameter are transferred big switch
13, parameter is turned the iron core of switch 14, power supply 15, microcontroller chip 16, the right electric magnet down
17, the iron core 19 of the right magnet spool 18, left side electric magnet, left side magnet spool
20, stilligout 21, power port P1 22, control port P2 23, fixture 2
24, pulse signal detection module 25, up counter 26, logic inverter
27, many input logics and door 28, two input logics and door
The specific embodiment
Below in conjunction with accompanying drawing, be described further by this utility model of embodiment:
Agent structure of the present utility model comprises that real-time detection drop drips the drop alarm of speed and two parts of flow-stop valve of anti-backflow.
The drop alarm that real-time detection drop drips speed comprises fixture 1 (6) and drips the fast automatic alarm control circuit of whether finishing with the detection drop by the detection drop that infrared photodiode (3), infrarede emitting diode (4), on and off switch (7), speaker (8), display device (9), power supply indicator (10), functional select switch (11), parameter transfer big switch (12), parameter to turn switch (13), power supply (14) and microcontroller chip (15) formation down.Fixture 1 (6) is the rectangular structure of square sectional, and its inside is shaped on the fixed structure that drop kettle (1) is installed.Outside the right-hand member of fixture 1 (6), be shaped on and off switch (7), speaker (8), display device (9) and power supply indicator (10), and be shaped on infrared photodiode (3) and microcontroller chip (15) in the right-hand member; Outside the left end of fixture 1 (6), be shaped on functional select switch (11), parameter transfers big switch (12) and parameter to turn switch (13) down, and being shaped on infrarede emitting diode (4), sleeve (5) and power supply (14) in the left end, the angle of the transmit direction of infrarede emitting diode (4) and drop motion is generally less than 90 degree.When the default value of the maximum time difference parameter between predefined front and back two dropping points drip in the microcontroller chip (15) can not satisfy current the requirement, at first select to enter the parameter adjustment functional mode by functional select switch (11), then, the default value of transferring big switch (12) or parameter to turn the maximum time difference parameter of switch (13) between two dropping points are dripped down by parameter increases or reduces to be adjusted, whenever transfer big switch (12) or parameter to turn switch (13) down by primary parameter, the maximum time difference parameter between front and back two dropping points drip in the microcontroller chip (15) increases or reduces 1 second.When appropriate value is arrived in the maximum time difference parameter adjustment between front and back two dropping points are dripped, select to enter by functional select switch (11) and detect drop and drip speed and detect drop and whether finish functional mode, drop drips speed and whether the detection drop is finished under the functional mode detecting, when not having drop (2) when dripping, the parallel infrared light after sleeve (5) parallelization shines directly on the infrared photodiode (3) by drop kettle (1); When dripping, parallel infrared light can not be shone on the infrared photodiode (3) by drop (2) refraction as drop (2).Pick up counting when dripping when last dropping point drips (2), next dropping point drips (2) and stops timing when dripping, and the time difference of two dropping points between dripping before and after obtaining calculated the drop that takes place in 1 minute with this and dripped number and show.If front and back two dropping points drip time difference between (2) when surpassing the maximum time difference parameter that predefined front and back two dropping points drip, microcontroller chip (15) calculates drop and drips speed, and drives display device (9) and show that this drop drips speed; If the time difference that front and back two dropping points drip between (2) surpasses when predefined front and back two dropping points drip the maximum time difference parameter of (2) in the microcontroller chip (15), microcontroller chip (15) sends alarm signal and reminds medical personnel's drop to finish, and the electromagnetism automatic valve (16 in the flow-stop valve of the anti-backflow of connection, 17,18,19) circuit loop, stilligout (20) will be by the electric magnet pinch ofves, and then close the transfusion path.
The flow-stop valve of anti-backflow comprises fixture 2 (23) and the control circuit of closing transfusion system automatically that is made of electromagnetism automatic valve (16,17,18,19) and pulse signal detection module (24).This fixture 2 (23) is the rectangular structure of square sectional, and its inside is shaped on the fixed structure of mounting points dropper (20).In the right-hand member of fixture 2 (23), be shaped on columniform electromagnet structure (16,17), in the left end of fixture 2 (23), also be shaped on columniform electromagnet structure (18,19), the electromagnet structure at two ends, the left and right sides is placed on the same straight line and can does horizontal rectilinear motion under the effect of magnetic force, and the iron core diameter of two ends, left and right sides electromagnet structure is identical and be slightly larger than the diameter of stilligout (20).In the left end of fixture 2 (23), be shaped on pulse signal detection module (24), and outside the upper surface of fixture 2 (23), be shaped on two with detect in real time the electrical equipment input port that drop alarms that drop drips speed are connected, one of them is power port P1 (21), be connected with power supply (14), for the flow-stop valve of preventing backflow provides power supply, another is control port P2 (22), and the warning output port that drips the drop alarm of speed with real-time detection drop is connected.When pulse signal detection module (24) detected control port P2 (22) and has pulse signal to occur, pulse signal detection module (24) output high level signal made audion VT
1sConducting, and then the circuit loop of connection electromagnetism automatic valve (16,17,18,19) make the electric magnet that lies in a horizontal plane in stilligout (20) both sides produce the magnetic force that attracts each other, thereby cut off the drop path; When pulse signal detection module (24) did not detect control port P2 (22) and has pulse signal to occur, pulse signal detection module (24) output low level signal made audion VT
1sNot conducting, so the disconnection of the circuit loop of electromagnetism automatic valve (16,17,18,19) make the electric magnet that lies in a horizontal plane in the stilligout both sides not produce the magnetic force that attracts each other, thereby keep the drop path unimpeded.Wherein, resistance R
1sMainly be metering function, audion VT
1sBe the NPN type.If detecting the controller of drop alarm that drop drips speed in real time is that single-chip microcomputer and hardware condition allow, can make real-time detection drop drip the drop alarm of speed when producing the drop warning signal of telecommunication by modification software program a little, utilize an idle single-chip microcomputer pin output control signal to drive electromagnetism automatic valve (16,17,18,19) work, and can save pulse signal detection module (24).
K in the circuit of accompanying drawing 4
0Be on and off switch; K
1Be functional select switch; K
2For parameter is transferred big switch; K
3For parameter is transferred big switch; IC
1Be microcontroller, VD
1Be infrarede emitting diode, VD
2Be infrared photodiode, SPK is speaker, and RT is crystal oscillator, D
1, D
2And D
3Be three charactrons of anode altogether.As on and off switch K
0When closed, if microcontroller IC
1In the default value of the maximum time difference parameter of predefined front and back two dropping points between dripping can not satisfy current the requirement time, at first by functional select switch K
1Selection enters the parameter adjustment functional mode, then, transfers big K switch by parameter
2Perhaps parameter is turned K switch down
3The default value of the maximum time difference parameter between two dropping points are dripped increases or reduces to be adjusted, and whenever transfers big K switch by primary parameter
2Perhaps parameter is turned K switch down
3, microcontroller IC
1Maximum time difference parameter between two dropping points drip before and after middle increases or reduces 1 second.When with microcontroller IC
1When appropriate value is arrived in the maximum time difference parameter adjustment between two dropping points drip before and after middle, by functional select switch K
1Selection enters and detects drop and drip speed and detect the functional mode whether drop is finished, and drips speed and detects under the functional mode whether drop finish detecting drop, when there not being drop (2) infrared photodiode VD when dripping
2Be subjected to infrarede emitting diode VD
1The irradiation of parallel infrared light, present low resistive state, so microcontroller IC
1The P3.1 pin be low level; As drop (2) infrared photodiode VD when dripping
2Do not receive infrarede emitting diode VD
1The irradiation of parallel infrared light, present high-impedance state, so microcontroller IC
1The P3.1 pin be high level.As microcontroller IC
1When detecting P3.1 pin generation low level to the high level variation, microcontroller IC
1In intervalometer carry out timing working and produce low level up to P3.1 pin next time and to high level changes the time, stop timing, microcontroller IC at this moment
1In the content of intervalometer be exactly before and after the time difference of two dropping points between dripping, microcontroller IC
1The time difference that utilization obtains is by calculating the number that drips can obtain drop in 1 minute, and the position of dripping number of drop in 1 minute, ten, hundred are delivered to microcontroller IC respectively
1P0, P1 and P2 pin drive charactron D
1, D
2And D
3Show.If the drop of current demonstration drips the requirement that speed does not satisfy the patient, medical personnel can be dripped speed adjustment to drop by the velocity modulation regulating device that drips on the stilligout, in order to make charactron D
1, D
2And D
3The speed of dripping that shows reaches the scope that the patient needs most.As microcontroller IC
1The value of middle intervalometer is greater than microcontroller IC
1During maximum time difference parameter between dripping of front and back two dropping points set, microcontroller IC
1The P3.0 pin pulse alarm signal that will change drive the alarm song that speaker SPK sends " too pout ", in order to remind medical personnel's drop to finish, simultaneously, pulse signal detection module (24) is to microcontroller IC
1The P3.0 pin on the pulse alarm signal that produces handle, and the output high level signal makes audion VT
1sConducting, and then the circuit loop of connection electromagnetism automatic valve (16,17,18,19) make the electric magnet that lies in a horizontal plane in stilligout (20) both sides produce the magnetic force that attracts each other, thereby cut off the drop path.
Fig. 5 is the circuit theory diagrams of pulse signal detection module of the present utility model (24), mainly is made of with door (28), 1 logic inverter (26) and input logic more than and door (27) 1 up counter (25), 1 two input logic.Detect drop in real time and drip the pulse alarm signal of fast drop alarm as the clock signal of up counter (25), and the initial value of up counter (25) is 0.When the value in the up counter (25) during at 00...00～11...10, pulse signal detection module (24) is output as low level; When the value in the up counter (25) is complete 1 the time, pulse signal detection module (24) is output as high level, and close the clock input channel of up counter (25) by two input logics and door (28), and to keep pulse detection module (24) output be high level always, the detection of realization pulse signals.Owing to have only after up counter (25) reaches maximum, the output of pulse detection module (24) could become high level from low level, and there is a little time-delay time started that the drop alarm that therefore makes time that the flow-stop valve of anti-backflow cuts off the transfusion path drip speed with respect to real-time detection drop sends the drop alarm signal.This time-delay was directly proportional with the pulse alarm signal cycle that the drop alarm that maximum and the real-time detection drop of up counter (25) drip speed sends.Consider the reliability of hardware spending and performance, generally up counter (25) is set to mould 4 up counters.If detecting the controller of drop alarm that drop drips speed in real time is single-chip microcomputer and has idle output pin, can make by update routine a little when producing the pulse alarm signal, utilize the pin output control signal of a previous single-chip microcomputer that leaves unused to drive electromagnetism automatic valve (16,17,18,19) work, and can save pulse signal detection module (24).
Fig. 6 is the schematic diagram of first embodiment of the electromagnetism automatic valve of the flow-stop valve of anti-backflow.This electromagnetism automatic valve mainly is made of two electric magnet that are placed on the same straight line, and the iron core diameter of the right and left electromagnet structure is identical and be slightly larger than the diameter of stilligout, and the right and left electric magnet is when power connection, and the magnetic force that produces is captivation.
Fig. 7 is the schematic diagram of second embodiment of the electromagnetism automatic valve of the flow-stop valve of anti-backflow.This electromagnetism automatic valve mainly is made of an electric magnet and a cylindrical ferrum of being placed on the same straight line, and the iron core diameter of electromagnet structure is identical with the diameter of cylindrical ferrum and be slightly larger than the diameter of stilligout.
Microcontroller IC of the present utility model
1Adopt AT89C51 type single-chip microcomputer, the pin that uses is XTAL1, XTAL2, RST, P3.0, P3.1, P3.2, P3.3, P3.4, V
SS, V
CC,
P0.0～P0.7, P1.0～P1.7 and P2.0～P2.7.
Model and the parameter of a component are chosen as in the accompanying drawing 4: C
1: 30pf; C
2: 30pf; C
3: 22uf; RT: crystal oscillator (12MHz); SPK: speaker (8 Ω); R
1: 1k Ω; R
2: 1k Ω; R
3: 100 Ω; R
4: 11k Ω; R
5: 360 Ω; R
6: 360 Ω; R
7: 360 Ω; VD
1: infrarede emitting diode; VD
2: infrared photodiode; VT1:9013 type audion.
What describe in above-described embodiment and the description is the ultimate principle of scheme described in the utility model; under the prerequisite that does not break away from spirit and scope of the present utility model; scheme described in the utility model also can be carried out various changes and modifications, and these changes and improvements all fall in claimed this utility model scope.The claimed scope of this utility model is defined by appended claim and equivalent thereof.
Claims (4)
1. one kind is detected the drop alarm device that drop drips speed and anti-backflow in real time, comprise that real-time detection drop drips the drop alarm of speed and the flow-stop valve of anti-backflow, detect in real time that drop alarm that drop drips speed comprises fixture 1 (6) and by infrared photodiode (3), infrarede emitting diode (4), on and off switch (7), speaker (8), display device (9), power supply indicator (10), functional select switch (11), parameter is transferred big switch (12), parameter is turned switch (13) down, the detection drop that power supply (14) and microcontroller chip (15) constitute drips speed and detects the automatic alarm control circuit whether drop is finished, the flow-stop valve of anti-backflow comprises fixture 2 (23) and by electromagnetism automatic valve (16,17,18,19) and the control circuit of closing transfusion system automatically that constitutes of pulse signal detection module (24), it is characterized in that: it is the maximum time difference parameter of adjusting between predefined front and back two dropping points drip in the microcontroller chip (15) that described parameter transfers big switch (12) and parameter to turn switch (13) down, during maximum time difference parameter between the value of the intervalometer in the microcontroller chip (15) is dripped greater than predefined front and back two dropping points, microcontroller chip (15) drives speaker (8) and sends chimes of doom, described infrarede emitting diode (4) and infrared photodiode (3) are drop to be had or not convert corresponding pulse signal to and be transferred to microcontroller chip (15), described functional select switch is selected to detect in real time drop alarm that drop drips speed and is operated in the parameter adjustment pattern or is operated in and detect drop and drip speed and detect the alarm mode whether drop is finished, described electromagnetism automatic valve (16,17,18,19) effect is when electromagnetism automatic valve energized, close the infusion channel of stilligout (20) by magnetic force, and when electromagnetism automatic valve (16,17,18, when 19) not having energized, the infusion channel of holding point dropper (20) is smooth and easy, and the effect of described pulse signal detection module (24) is to detect the drop warning signal of telecommunication whether to produce and export the action that control signal is controlled the electromagnetism automatic valve.
2. real-time detection drop according to claim 1 drips the drop alarm device of speed and anti-backflow, it is characterized in that, the angle of the transmit direction of infrarede emitting diode (4) and drop motion is less than 90 degree.
3. real-time detection drop according to claim 1 drips the drop alarm device of speed and anti-backflow, it is characterized in that the head of infrarede emitting diode (4) puts the infrared light that a sleeve (5) comes parallelization infrarede emitting diode (4) to send.
4. real-time detection drop according to claim 1 drips the drop alarm device of speed and anti-backflow, it is characterized in that, time difference between two dropping points dripped before and after the pulse signal that microcontroller chip (15) is exported according to infrared photodiode (3) calculated, time difference between dripping with two dropping points before and after the gained is calculated the drop that is taken place in 1 minute and is dripped number, and shows in real time in display device (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320010882 CN203060468U (en) | 2013-01-09 | 2013-01-09 | Infusion alarming device capable of detecting infusion solution dripping speed in real time and preventing backflow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320010882 CN203060468U (en) | 2013-01-09 | 2013-01-09 | Infusion alarming device capable of detecting infusion solution dripping speed in real time and preventing backflow |
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| Publication Number | Publication Date |
|---|---|
| CN203060468U true CN203060468U (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320010882 Expired - Fee Related CN203060468U (en) | 2013-01-09 | 2013-01-09 | Infusion alarming device capable of detecting infusion solution dripping speed in real time and preventing backflow |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104069565A (en) * | 2014-07-03 | 2014-10-01 | 刘凯华 | Automatic closing transfusion system |
| CN104324436A (en) * | 2014-11-13 | 2015-02-04 | 兴化市第二实验小学 | Infrared intelligent transfusion device |
| CN104707201A (en) * | 2015-03-20 | 2015-06-17 | 王新强 | Intelligent infusion tube |
| CN110743060A (en) * | 2019-10-31 | 2020-02-04 | 中国人民解放军陆军军医大学第一附属医院 | Multifunctional transfusion vehicle for children |
-
2013
- 2013-01-09 CN CN 201320010882 patent/CN203060468U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104069565A (en) * | 2014-07-03 | 2014-10-01 | 刘凯华 | Automatic closing transfusion system |
| CN104069565B (en) * | 2014-07-03 | 2016-04-13 | 刘凯华 | Automatic-diversion closure transfusion system |
| CN104324436A (en) * | 2014-11-13 | 2015-02-04 | 兴化市第二实验小学 | Infrared intelligent transfusion device |
| CN104707201A (en) * | 2015-03-20 | 2015-06-17 | 王新强 | Intelligent infusion tube |
| CN110743060A (en) * | 2019-10-31 | 2020-02-04 | 中国人民解放军陆军军医大学第一附属医院 | Multifunctional transfusion vehicle for children |
| CN110743060B (en) * | 2019-10-31 | 2022-03-11 | 中国人民解放军陆军军医大学第一附属医院 | Multifunctional transfusion vehicle for children |
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