CN109432546A - A kind of hospital's drop monitoring system based on bracelet prompt - Google Patents
A kind of hospital's drop monitoring system based on bracelet prompt Download PDFInfo
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- CN109432546A CN109432546A CN201811370843.5A CN201811370843A CN109432546A CN 109432546 A CN109432546 A CN 109432546A CN 201811370843 A CN201811370843 A CN 201811370843A CN 109432546 A CN109432546 A CN 109432546A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 107
- 238000001802 infusion Methods 0.000 claims abstract description 78
- 239000012530 fluid Substances 0.000 claims abstract description 56
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims description 73
- 239000003990 capacitor Substances 0.000 claims description 35
- 239000007788 liquid Substances 0.000 claims description 22
- 230000009467 reduction Effects 0.000 claims description 19
- 238000003707 image sharpening Methods 0.000 claims description 18
- 230000003321 amplification Effects 0.000 claims description 16
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 16
- 230000002708 enhancing effect Effects 0.000 claims description 14
- 238000003706 image smoothing Methods 0.000 claims description 11
- 241001411320 Eriogonum inflatum Species 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000011946 reduction process Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000011897 real-time detection Methods 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 13
- 230000005611 electricity Effects 0.000 description 5
- 239000003814 drug Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 101100321817 Human parvovirus B19 (strain HV) 7.5K gene Proteins 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/70—Denoising; Smoothing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/73—Deblurring; Sharpening
-
- 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
-
- 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
- A61M2205/35—Communication
- A61M2205/3546—Range
- A61M2205/3553—Range remote, e.g. between patient's home and doctor's office
-
- 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
- A61M2205/35—Communication
- A61M2205/3546—Range
- A61M2205/3561—Range local, e.g. within room or hospital
-
- 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
- A61M2205/35—Communication
- A61M2205/3576—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver
- A61M2205/3584—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver using modem, internet or bluetooth
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Anesthesiology (AREA)
- Vascular Medicine (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention provides a kind of hospital's drop monitoring system based on bracelet prompt, utilize image collecting device, pressure sensor, signal processing circuit, solar panel, regulator rectifier circuit, battery, image processing module, wireless transmission unit, bracelet, display unit and storage unit are monitored the service condition of medical fluid in infusion bottle, in conjunction with the technologies such as sensor and wireless communication, realize the real-time detection to the service condition of medical fluid in infusion bottle, precisely record and long-range monitoring, medical staff can directly acquire the service condition of medical fluid in infusion bottle by display unit, transfusion outpatient can also know the service condition of medical fluid in infusion bottle by bracelet, when medical fluid in infusion bottle will be complete, bracelet can issue vibration or audible alarm information to remind transfusion outpatient, its structure is simple, versatility is good, integrated level is high, Low in cost, the advantages that real-time is good, detection accuracy is high, easy to maintain, intelligent high, scalability is good.
Description
Technical field
The present invention relates to intelligence test fields more particularly to a kind of hospital's drop based on bracelet prompt to monitor system.
Background technique
In the medical spaces such as hospital now, drop is however patient to be come for one of the important means of Case treatment
It says, often has no ability to or go to pay attention to without energy the progress of drop, it is therefore necessary to family members or nurse special messenger's monitoring, very
It wastes time, while guardian also wants the moment to pay attention to the progress of drop, can not loosen.
Existing hospital's drop monitoring system is only monitored by the weight to infusion bottle, such hospital's drop monitoring system
Not only measuring accuracy is not high for system, and is easy to send erroneous judgement, so that medical staff cannot in time, accurately carry out more infusion bottle
It changes, it would be highly desirable to which medical staff develops a kind of high-precision hospital's drop monitoring system.
Summary of the invention
Therefore, to solve the above-mentioned problems, the present invention provides a kind of hospital's drop monitoring system based on bracelet prompt, benefit
With image collecting device, pressure sensor, signal processing circuit, solar panel, regulator rectifier circuit, battery, image
Processing module, wireless transmission unit, bracelet, display unit and storage unit supervise the service condition of medical fluid in infusion bottle
It surveys, in conjunction with the technologies such as sensor and wireless communication, realizes to the real-time detection of the service condition of medical fluid, precisely note in infusion bottle
Record and long-range monitoring, medical staff can directly acquire the service condition of medical fluid in infusion bottle, transfusion outpatient by display unit
Also the service condition of medical fluid in infusion bottle can be known by bracelet, structure is simple, versatility is good, integrated level is high, at low cost
Honest and clean, the advantages that real-time is good, detection accuracy is high, easy to maintain, intelligent high, scalability is good, is, it can be achieved that medicine in infusion bottle
The service condition of liquid is monitored automatically and is remotely monitored, information-based to the service condition of medical fluid in infusion bottle, intelligent to manage
Reason has important role.
A kind of hospital's drop based on bracelet prompt according to the present invention monitors system comprising image collecting device, pressure
Force snesor, signal processing circuit, solar panel, regulator rectifier circuit, battery, image processing module, wireless transmission
Unit, bracelet, display unit and storage unit.
Wherein, image collecting device is set on bracket, and infusion bottle is hung on bracket, for acquiring liquid level in infusion bottle
Image information, pressure sensor is set in infusion bottle on transfusion bottle stopper, and the pressure for acquiring the medical fluid in infusion bottle is believed
Number, the output end of pressure sensor and the input terminal of signal processing circuit connect, and the output end of solar panel and rectification are steady
The input terminal of volt circuit connects, and the output end of regulator rectifier circuit and the input terminal of battery connect, image collecting device it is defeated
The input terminal of outlet and image processing module connects, at the output end of signal processing circuit, the output end of battery and image
The output end of reason module is connect with the input terminal of central processing unit, and the input terminal of display unit and the input terminal of storage unit are equal
Connect with the output end of central processing unit, central processing unit and wireless transmission unit two-way communication link, wireless transmission unit with
Bracelet two-way communication link, bracelet are worn on transfusion outpatient on hand.
Transfusion outpatient is total with central processing unit data to realize using local area network used in bracelet connection wireless transmission unit
It enjoys, transfusion outpatient can know that the pressure information of medical fluid in infusion bottle, transfusion outpatient can also be arranged by bracelet by bracelet
The pressure threshold of medical fluid in infusion bottle, when the pressure real value of medical fluid in the infusion bottle that bracelet receives is less than preset pressure threshold
Value, then bracelet issues vibration alarm and audible alarm to remind medical fluid in transfusion outpatient infusion bottle to finish defeated.
Preferably, pressure sensor is used to acquire the pressure signal of the medical fluid in infusion bottle, by the pressure signal of acquisition
Voltage signal V0 is converted to, and voltage signal V0 is transmitted to signal processing circuit, V1 is after signal processing circuit is handled
Voltage signal, signal processing circuit includes signal amplification unit and signal filter unit, the output end and letter of pressure sensor
The input terminal connection of number amplifying unit, the output end of signal amplification unit are connect with the input terminal of signal filter unit, and signal is filtered
The output end of wave unit and the port ADC of central processing unit connect.
Preferably, signal amplification unit includes integrated transporting discharging A1-A2, resistance R1-R14, triode T1-T3 and capacitor
C1-C2；
Wherein, the output end of pressure sensor is connect with one end of resistance R4, the other end of resistance R4 and the base stage of triode T2
Connection, the output end of pressure sensor are also connect with one end of resistance R2, the other end of resistance R2 and the reverse phase of integrated transporting discharging A1
Input terminal connection, one end of resistance R1 connect with one end of resistance R12, and the other end of resistance R1 is same mutually defeated with integrated transporting discharging A1's
Enter end connection, one end ground connection of capacitor C1, with integrated transporting discharging A1's after the other end of capacitor C1 is in parallel with the other end of resistance R1
Non-inverting input terminal connection, the other end of resistance R2 are also connect with one end of capacitor C2, the other end of capacitor C2 and the one of resistance R3
End connection, the other end of resistance R3 are connect with one end of resistance R5, and the other end of resistance R3 is also connect with one end of resistance R6, collection
It is connect at the output end of amplifier A1 with the base stage of triode T1, the collector of triode T1 is connect with -15V power supply, resistance R5's
The other end is also connect with the emitter of triode T1, and the other end of resistance R6 is connect with one end of resistance R7, one end of resistance R8
It is connect with the collector of triode T2, one end of resistance R8 is also connect with the inverting input terminal of integrated transporting discharging A2, and resistance R6's is another
One end is also connect with the other end of resistance R8, and the other end of resistance R7 is connect with+15V power supply, one end of resistance R9 and integrated fortune
Put the non-inverting input terminal connection of A2, one end of resistance R9 also connect with the collector of triode T3, the other end of resistance R9 and+
The connection of 15V power supply, one end of resistance R10 are connect with -15V power supply, and the emitter of triode T2 and the emitter of triode T3 connect
Connect and connect afterwards with the other end of resistance R10, one end of resistance R11 is connect with one end of resistance R12, the other end of resistance R11 with
The base stage of triode T3 connects, and the one end resistance R13 ground connection, the other end of resistance R12 is connect with the other end of resistance R13, resistance
The other end of R12 is also connect with one end of resistance R14, and the other end of resistance R14 is connect with the output end of integrated transporting discharging A2.
Preferably, signal filter unit includes resistance R15-R21, capacitor C3-C4 and integrated transporting discharging A3-A5；
Wherein, the output end of signal amplification unit is connect with one end of resistance R15, the other end of resistance R15 and the one of resistance R17
It being connect after end is in parallel with the non-inverting input terminal of integrated transporting discharging A3, the other end of resistance R17 is connect with the output end of integrated transporting discharging A3,
One end of resistance R16 is grounded, and is connect after the other end of resistance R16 is in parallel with resistance R21 with the non-inverting input terminal of integrated transporting discharging A3,
The other end of resistance R21 is connect with the output end of integrated transporting discharging A4, and the output end of the other end of resistance R17 and integrated transporting discharging A3 are simultaneously
It is connect after connection with one end of resistance R18, the reverse phase after the other end of resistance R18 is in parallel with one end of capacitor C3 with integrated transporting discharging A4
Input terminal connection connect with one end of resistance R19 after the other end of capacitor C3 is in parallel with the output end of integrated transporting discharging A4, integrates fortune
The non-inverting input terminal ground connection of A4 is put, it is defeated with the reverse phase of integrated transporting discharging A5 after the other end of resistance R19 is in parallel with one end of capacitor C4
Enter end connection, the non-inverting input terminal ground connection of integrated transporting discharging A5, the other end of capacitor C4 is connect with the output end of integrated transporting discharging A5, electricity
One end of resistance R20 is connect with the inverting input terminal of integrated transporting discharging A3, and the other end of resistance R20 and the output end of integrated transporting discharging A5 connect
It connects, one end of resistance R21 is connect with the non-inverting input terminal of integrated transporting discharging A3, and the other end of resistance R21 is defeated with integrated transporting discharging A4's
The port ADC of outlet connection, the output end of integrated transporting discharging A5 and central processing unit connects, and signal processing unit will treated electricity
Pressure signal V1 is transmitted to the port ADC of central processing unit.
Preferably, image processing module includes image noise reduction unit, image enhancing unit, image sharpening unit and figure
As smooth unit；
Wherein, image collecting device is used to acquire the image information of liquid level in infusion bottle, the output end and figure of image collecting device
As the input terminal connection of noise reduction unit, the output end of image noise reduction unit and the input terminal of image enhancing unit are connected, and image increases
The output end of strong unit is connect with the input terminal of image sharpening unit, output end and the image smoothing unit of image sharpening unit
Input terminal connection, the output end of image smoothing unit and the input terminal of central processing unit connect.
It preferably, is two by the image definition that image collecting device is transmitted to liquid level in the infusion bottle of image processing module
It ties up function f (x, y), wherein x, y are space coordinates, and image noise reduction unit carries out image noise reduction processing to image f (x, y), are passed through
Image noise reduction treated two-dimensional image function is g (x, y), wherein
。
Preferably, image enhancing unit carries out image definition enhancing processing to image g (x, y), by image clearly
Degree enhancing treated two-dimensional image function is h (x, y), wherein
。
Preferably, image sharpening unit carries out image sharpening processing to image h (x, y), after image sharpening is handled
Two-dimensional image function be d (x, y), wherein
。
Preferably, image smoothing unit carries out picture smooth treatment to image d (x, y), after picture smooth treatment
Two-dimensional image function be s (x, y), smooth function be q (x, y),
；
；
Wherein , ﹡ is convolution symbol,For customized adjustable constant, smooth effect is to pass throughCome what is controlled.
Image s (x, y) is transmitted to central processing unit by image smoothing unit.
Preferably, pressure sensor is ceramic capacitive pressure sensitive sensor.
Preferably, image collector is set to ccd image sensor.
Preferably, central processing unit is 8-bit microprocessor Atmega128.
Preferably, display unit is LCD display unit, wherein LCD display unit 20pinLCD1286HZ.
Preferably, wireless transmission unit is WiFi module, and WiFi module is VT6656 module.
Compared with prior art, the present invention have it is following the utility model has the advantages that
(1) hospital's drop provided by the invention based on bracelet prompt monitors system, utilizes image collecting device, pressure sensing
Device, signal processing circuit, solar panel, regulator rectifier circuit, battery, image processing module, wireless transmission unit, hand
Ring, display unit and storage unit are monitored the service condition of medical fluid in infusion bottle, in conjunction with sensor and wireless communication
Etc. technologies, realize to the real-time detection of the service condition of medical fluid in infusion bottle, precisely record and long-range monitoring, medical staff's energy
The service condition of medical fluid in infusion bottle is enough directly acquired by display unit, transfusion outpatient also can know infusion bottle by bracelet
The service condition of interior medical fluid, structure is simple, versatility is good, integrated level is high, low in cost, real-time is good, detection accuracy is high, easy
In maintenance, intelligent high, scalability is good the advantages that, it can be achieved that the service condition of medical fluid in infusion bottle is monitored automatically and
Long-range monitoring, intelligent management information-based to the service condition of medical fluid in infusion bottle have important role.
(2) hospital's drop provided by the invention based on bracelet prompt monitors system, figure of the image processing module to acquisition
As successively carry out image noise reduction, image enhancement, image sharpening, picture smooth treatment, can efficiently, quickly extract image collector
The image information set can be improved the identification precision to medical fluid liquid level image in infusion bottle, efficiently reduce erroneous judgement and happen.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is the structure chart of the hospital's infusion device of the invention shown based on bracelet；
Fig. 2 is the schematic diagram that hospital's drop of the invention based on bracelet prompt monitors system；
Fig. 3 is the circuit diagram of signal processing circuit of the invention；
Fig. 4 is the schematic diagram of image processing module of the invention.
Appended drawing reference:
1- bracket；2- image collecting device；3- infusion bottle；4- pressure sensor；5- transfusion bottle stopper；6- perfusion tube；7- dropper；8-
Signal processing circuit；9- solar panel；10- regulator rectifier circuit；11- battery；12- image processing module；13- is wireless
Transmission unit；14- bracelet；15- display unit；16- storage unit.
Specific embodiment
Hospital's drop monitoring system to provided by the invention based on bracelet prompt carries out with reference to the accompanying drawings and examples
It is described in detail.
As shown in Figs. 1-2, hospital's drop monitoring system based on bracelet prompt includes image collecting device 2, pressure sensing
Device 4, signal processing circuit 8, solar panel 9, regulator rectifier circuit 10, battery 11, image processing module 12, wireless biography
Defeated unit 13, bracelet 14, display unit 15 and storage unit 16.
Wherein, image collecting device 2 is set on bracket 1, and infusion bottle 3 is hung on bracket 1, for acquiring infusion bottle 3
The image information of interior liquid level, pressure sensor 4 is set in infusion bottle 3 on transfusion bottle stopper 5, for acquiring the medicine in infusion bottle 3
The output end of the pressure signal of liquid, pressure sensor 4 is connect with the input terminal of signal processing circuit 8, solar panel 9 it is defeated
Outlet is connect with the input terminal of regulator rectifier circuit 10, and the output end of regulator rectifier circuit 10 and the input terminal of battery 11 connect
It connects, the output end of image collecting device 2 is connect with the input terminal of image processing module 12, and the output end of signal processing circuit 8 stores
The output end of battery 11 and the output end of image processing module 12 are connect with the input terminal of central processing unit 1, display unit
15 input terminal and the input terminal of storage unit 16 are connect with the output end of central processing unit 1, central processing unit 1 and wireless
13 two-way communication link of transmission unit, wireless transmission unit 13 and 14 two-way communication link of bracelet, bracelet 14 are worn on infusion and suffer from
Person is on hand.
In above embodiment, image collecting device 2, pressure sensor 4, signal processing circuit 8, solar battery are utilized
Plate 9, regulator rectifier circuit 10, battery 11, image processing module 12, wireless transmission unit 13, bracelet 14, display unit 15 with
And storage unit 16 is monitored the service condition of medical fluid in infusion bottle, in conjunction with the technologies such as sensor and wireless communication, realizes
Display can be passed through to the real-time detection of the service condition of medical fluid, precisely record and long-range monitoring, medical staff in infusion bottle 3
Unit 15 directly acquires the service condition of medical fluid in infusion bottle 3, and transfusion outpatient also can know medicine in infusion bottle 3 by bracelet 14
The service condition of liquid, structure is simple, versatility is good, integrated level is high, low in cost, real-time is good, detection accuracy is high, is easy to tie up
Shield, the advantages that intelligent high, scalability is good, it can be achieved that monitor the service condition of medical fluid in infusion bottle 3 and far automatically
Journey monitoring, intelligent management information-based to the service condition of medical fluid in infusion bottle 3 have important role.
Wherein, pressure sensor 4 is connect by conducting wire with signal processing circuit 8, and specifically, conducting wire is worn out of transfusion bottle stopper
Later it is connect with signal processing circuit 8, further, pressure sensor 4 can also pass through wireless transmission method and signal processing electricity
Road 8 connects, and signal processing circuit 8 further includes a wireless signal receiver, the pressure signal that radio receiver will receive
It is transmitted to the input terminal of signal processing circuit 8.
Further, the vertical component of bracket 1 further includes a sliding rail, and the cunning vertically moved along sliding rail is provided on sliding rail
Block, the vertical component of bracket 1 further include a limiting device, which can make sliding block be fixed on any position of sliding rail,
Image collecting device 2 is fixedly connected on sliding block, and medical staff can adjust the position of image collecting device 2 as a result, so that figure
As acquisition device 2 can accurately acquire the image information of 3 liquid level of infusion bottle.
In above embodiment, solar panel 9 collects solar energy, is converted to low pressure by regulator rectifier circuit 10
Direct current is stored in battery 11, and battery 11 is powered to central processing unit 1, combines battery using solar panel 9
11 form is the power supply of central processing unit 1, meets the requirement of energy conservation and environmental protection and Ecological Sustainable Development, improves using energy source
Rate also reduces cost.
In above embodiment, pressure signal of the pressure sensor 4 for medical fluid in monitoring transfusion bottle 3, and will monitor
Pressure signal be transmitted to signal processing circuit 8 and amplify and be filtered, signal processing circuit 8 will treated that signal passes
Central processing unit 1 is transported to, the pressure signal received is transmitted to display unit 15 and storage unit 16 by central processing unit 1, is shown
Show that unit 15 and storage unit 16 are set in nurse's duty room, medical staff can obtain infusion bottle 3 by display unit 15
The pressure signal of interior medical fluid, storage unit 16 further include a usb data port, and medical staff can pass through the USB data interface
Know the real time data and historical data of the pressure signal of medical fluid in infusion bottle 3.
In above embodiment, liquid level image information of the image collecting device 2 for medical fluid in monitoring transfusion bottle 3, and will
The image information monitored is transmitted to image processing module 12 and carries out image procossing, and image processing module 12 will treated image
Information is transmitted to central processing unit 1, and the image information received is transmitted to display unit 15 and storage unit by central processing unit 1
16, display unit 15 and storage unit 16 are set in nurse's duty room, and medical staff can be obtained defeated by display unit 10
The liquid level image information of medical fluid in liquid bottle 3, storage unit 16 further include a usb data port, and medical staff can pass through the USB
Data-interface knows the real time data and historical data of the liquid level image information of medical fluid in infusion bottle 3.
The pressure signal of medical fluid in the infusion bottle 3 received is transmitted to by central processing unit 1 by wireless transmission unit 13
Bracelet 14, transfusion outpatient can know in real time the pressure signal of medical fluid by the bracelet 14 of wearing.
Transfusion outpatient connects local area network used in wireless transmission unit 13 using bracelet 14, to realize and central processing unit 1
Data sharing, transfusion outpatient can know that the pressure information of medical fluid in infusion bottle 3, transfusion outpatient can also pass through hand by bracelet
The pressure threshold of medical fluid in infusion bottle 3 is arranged in ring 14, when the pressure real value of medical fluid in the infusion bottle 3 that bracelet 14 receives is less than
Preset pressure threshold value, then bracelet 14 issues vibration alarm and audible alarm to remind medical fluid in transfusion outpatient infusion bottle 3 i.e. will be defeated
Finish.
As above-mentioned further preferential, as shown in figure 3, pressure sensor 4 is used to acquire the pressure of the medical fluid in infusion bottle 3
The pressure signal of acquisition is converted to voltage signal V0, and voltage signal V0 is transmitted to signal processing circuit 8, V1 by force signal
For by treated the voltage signal of signal processing circuit 8, signal processing circuit 8 includes that signal amplification unit and signal filtering are single
Member, the output end of pressure sensor 4 and the input terminal of signal amplification unit connect, and the output end and signal of signal amplification unit are filtered
The input terminal of wave unit connects, and the output end of signal filter unit is connect with the port ADC of central processing unit 1.
Specifically, signal amplification unit includes integrated transporting discharging A1-A2, resistance R1-R14, triode T1-T3 and capacitor
C1-C2；
Wherein, the output end of pressure sensor 4 is connect with one end of resistance R4, the other end of resistance R4 and the base stage of triode T2
Connection, the output end of pressure sensor 4 are also connect with one end of resistance R2, the other end of resistance R2 and the reverse phase of integrated transporting discharging A1
Input terminal connection, one end of resistance R1 connect with one end of resistance R12, and the other end of resistance R1 is same mutually defeated with integrated transporting discharging A1's
Enter end connection, one end ground connection of capacitor C1, with integrated transporting discharging A1's after the other end of capacitor C1 is in parallel with the other end of resistance R1
Non-inverting input terminal connection, the other end of resistance R2 are also connect with one end of capacitor C2, the other end of capacitor C2 and the one of resistance R3
End connection, the other end of resistance R3 are connect with one end of resistance R5, and the other end of resistance R3 is also connect with one end of resistance R6, collection
It is connect at the output end of amplifier A1 with the base stage of triode T1, the collector of triode T1 is connect with -15V power supply, resistance R5's
The other end is also connect with the emitter of triode T1, and the other end of resistance R6 is connect with one end of resistance R7, one end of resistance R8
It is connect with the collector of triode T2, one end of resistance R8 is also connect with the inverting input terminal of integrated transporting discharging A2, and resistance R6's is another
One end is also connect with the other end of resistance R8, and the other end of resistance R7 is connect with+15V power supply, one end of resistance R9 and integrated fortune
Put the non-inverting input terminal connection of A2, one end of resistance R9 also connect with the collector of triode T3, the other end of resistance R9 and+
The connection of 15V power supply, one end of resistance R10 are connect with -15V power supply, and the emitter of triode T2 and the emitter of triode T3 connect
Connect and connect afterwards with the other end of resistance R10, one end of resistance R11 is connect with one end of resistance R12, the other end of resistance R11 with
The base stage of triode T3 connects, and the one end resistance R13 ground connection, the other end of resistance R12 is connect with the other end of resistance R13, resistance
The other end of R12 is also connect with one end of resistance R14, and the other end of resistance R14 is connect with the output end of integrated transporting discharging A2.
Specifically, signal filter unit includes resistance R15-R21, capacitor C3-C4 and integrated transporting discharging A3-A5；
Wherein, the output end of signal amplification unit is connect with one end of resistance R15, the other end of resistance R15 and the one of resistance R17
It being connect after end is in parallel with the non-inverting input terminal of integrated transporting discharging A3, the other end of resistance R17 is connect with the output end of integrated transporting discharging A3,
One end of resistance R16 is grounded, and is connect after the other end of resistance R16 is in parallel with resistance R21 with the non-inverting input terminal of integrated transporting discharging A3,
The other end of resistance R21 is connect with the output end of integrated transporting discharging A4, and the output end of the other end of resistance R17 and integrated transporting discharging A3 are simultaneously
It is connect after connection with one end of resistance R18, the reverse phase after the other end of resistance R18 is in parallel with one end of capacitor C3 with integrated transporting discharging A4
Input terminal connection connect with one end of resistance R19 after the other end of capacitor C3 is in parallel with the output end of integrated transporting discharging A4, integrates fortune
The non-inverting input terminal ground connection of A4 is put, it is defeated with the reverse phase of integrated transporting discharging A5 after the other end of resistance R19 is in parallel with one end of capacitor C4
Enter end connection, the non-inverting input terminal ground connection of integrated transporting discharging A5, the other end of capacitor C4 is connect with the output end of integrated transporting discharging A5, electricity
One end of resistance R20 is connect with the inverting input terminal of integrated transporting discharging A3, and the other end of resistance R20 and the output end of integrated transporting discharging A5 connect
It connects, one end of resistance R21 is connect with the non-inverting input terminal of integrated transporting discharging A3, and the other end of resistance R21 is defeated with integrated transporting discharging A4's
Outlet connection, the output end of integrated transporting discharging A5 are connect with the port ADC of central processing unit 1, and signal processing unit will treated
Voltage signal V1 is transmitted to the port ADC of central processing unit 1.
In above embodiment, the noise of signal processing circuit 8 drifts about within 40nV as 0.5 μ V/ DEG C, integrated transporting discharging
A1 is LTC1150 low drifting amplifier, and integrated transporting discharging A2 is LT1097 high speed amplifier, and integrated transporting discharging A3, A4 and A5 are
LT1097 amplifier, since direct current offset and the drift of integrated transporting discharging A1 will not influence the overall offset of circuit, so that electric
There are extremely low offset and drift in road.
The resistance value of resistance R1 is 100K Ω, and the resistance value of resistance R2 is 100K Ω, and the resistance value of resistance R3 is 1K Ω, resistance R4's
Resistance value is 1.5K Ω, and the resistance value of resistance R5 is 7.5K Ω, and the resistance value of R6 is 1K Ω, and the resistance value of resistance R7 is 200 Ω, resistance R8
Resistance value be 450 Ω, the resistance value of resistance R9 is 900 Ω, and the resistance value of resistance R10 is 750 Ω, and the resistance value of resistance R11 is 1K Ω, electricity
The resistance value for hindering R12 is 1K Ω, and the resistance value of resistance R13 is 10 Ω, and the resistance value of resistance R14 is 100K Ω, and the resistance value of resistance R15 is
The resistance value of 1.7K Ω, resistance R16 are 4.7K Ω, and the resistance value of resistance R17 is 10K Ω, and the resistance value of resistance R18 is 5K Ω, resistance R19
Resistance value be 1K Ω, the resistance value of resistance R20 is 5K Ω, and the resistance value of resistance R21 is 5K Ω, and the capacitance for holding C1 is 100pF, capacitor
The capacitance of C2 is 270pF, and the capacitance of C3 is 220pF, and the capacitance of capacitor C4 is 470pF.
Since the signal that pressure sensor 4 acquires is faint voltage signal, thus signal amplification unit passes through resistance R1-
The voltage V0 that R14, capacitor C1-C2, triode T1-T3 and integrated transporting discharging A1-A2 export pressure sensor 4 amplifies place
Reason, is only had by the signal amplification unit that resistance R1-R14, capacitor C1-C2, triode T1-T3 and integrated transporting discharging A1-A2 are constituted
The noise of 50nV in offset, 100pA bias current and the broadband 0.1Hz to 10Hz within the drift of 0.5 μ V/ DEG C, 5 μ V.Wherein,
Signal amplification unit is using resistance R15-R21, capacitor C3-C4 and integrated transporting discharging A3-A5 to by amplified voltage signal
Low-pass filtering treatment is carried out, to improve the precision to medical fluid remaining in infusion bottle 3 to the pressure detecting of transfusion bottle stopper.
As above-mentioned further preferential, as shown in figure 4, image processing module 12 includes that image noise reduction unit, image increase
Strong unit, image sharpening unit and image smoothing unit.
Wherein, image collecting device 2 is used to acquire the image information of liquid level in infusion bottle 3, the output of image collecting device 2
End is connect with the input terminal of image noise reduction unit, and the output end of image noise reduction unit and the input terminal of image enhancing unit connect,
The output end of image enhancing unit is connect with the input terminal of image sharpening unit, the output end and image smoothing of image sharpening unit
The input terminal of unit connects, and the output end of image smoothing unit is connect with the input terminal of central processing unit 1.
In above embodiment, the image of 12 pairs of image processing module acquisitions successively carries out image noise reduction, image enhancement, figure
As sharpening, picture smooth treatment, the image information of image collecting device 2 can efficiently, be quickly extracted, can be improved to infusion bottle 3
The identification precision of interior medical fluid liquid level image, efficiently reduces erroneous judgement and happens.
Specifically, it is by the image definition that image collecting device 2 is transmitted to liquid level in the infusion bottle 3 of image processing module 12
Two-dimensional function f (x, y), wherein x, y are space coordinates, and image noise reduction unit carries out image noise reduction processing, warp to image f (x, y)
Cross image noise reduction treated that two-dimensional image function is g (x, y), wherein
。
Specifically, image enhancing unit carries out image definition enhancing processing to image g (x, y), by image definition
Enhancing treated two-dimensional image function is h (x, y), wherein
。
In above embodiment, the purpose of image denoising unit and image intensification unit is to improve image capture module
The quality of the image of 12 acquisitions, removes the noise in image, makes edge clear, improve the interpretability of image.
Specifically, image sharpening unit carries out image sharpening processing to image h (x, y), and by image sharpening, treated
Two-dimensional image function is d (x, y), wherein
。
In above embodiment, the profile of image of the image sharpening unit compensation after image enhancement processing, enhancing figure
The edge of picture and the part of Gray Level Jump, become more fully apparent image.
Specifically, image smoothing unit carries out picture smooth treatment to image d (x, y), after picture smooth treatment
Two-dimensional image function is s (x, y), and smooth function is q (x, y),
；
；
Wherein , ﹡ is convolution symbol,For customized adjustable constant, smooth effect is to pass throughCome what is controlled.
In above embodiment, image smoothing unit will be carried out by image sharpening treated brightness of image it is gentle gradually
Become, reduces mutation gradient, so as to improve picture quality.
Image s (x, y) is transmitted to central processing unit 1 by image smoothing unit.
Specifically, pressure sensor 4 is ceramic capacitive pressure sensitive sensor.
In above embodiment, ceramic capacitive pressure sensitive sensor stability is good, operating voltage 5V, responds fast
Speed, without sluggish, strong antijamming capability and waterproof and dustproof.
Specifically, image collecting device 2 is ccd image sensor.
Specifically, central processing unit 1 is 8-bit microprocessor Atmega128.
In above embodiment, it is contemplated that the requirement of cost and process performance, the selection of central processing unit 1 low-power consumption 8 are micro-
Processor Atmega128, the chip hardware is resourceful, has the function of that low-power consumption, more, cheap and powerful etc. are excellent
Point, Atmega128 itself has 128K bytes Flash memory, simultaneous with the eeprom memory of 4K byte, pressure sensing
The data that device 4 acquires are directly deposited in eeprom memory, and the port ADC inside Atmega128 has 8 channels, are often led to
The resolution ratio in road be 10bit, input voltage range be 0 ~ 5V, can satisfy the needs of the touring acquisition of monitoring data, at the same also without
AD conversion device need to separately be added, periphery circuit design is simplified, reduce costs.
Specifically, display unit 15 is LCD display unit, wherein LCD display unit 20pinLCD1286HZ.
In above embodiment, LCD display unit use 3.3V power voltage supply, in order to microprocessor Atmega128
I/O mouth electrical level match, LCD display unit and the interface of microprocessor Atmega128 are communicated using serial line interface.
Specifically, wireless transmission unit 13 is WiFi module, and WiFi module is VT6656 module.
In above embodiment, wireless transmission unit 13 is WiFi module, and WiFi is most main as a kind of Wireless networking technologies
The advantage wanted is not needing to be routed, and is not limited by wiring condition, therefore is particularly suitable for the needs of mobile office user, WiFi
Module realizes that the remote transmission of data, VT6656 module embed ICP/IP protocol line, reduce design using VT6656 module
Difficulty, while the ability that Atmega128 handles other data is substantially increased, the connection of VT6656 and Atmega128 are very simple
Single, the two can be connected directly by the USB interface of standard, VT6656 module use the 802.11g of 54Mbps standard wirelessly with
Too net access, than fast 5 times based on 802.11b agreement, using fast 40 times of ratio USB1.0 interface of USB2.0 interface highest, new day
Line technology supports more remote accessing wirelessly, supports 821.11g and 802.11b wireless router and the access of all standards
Point supports 64/128/256 WEP encryption, supports superencipherments and the security mechanisms such as WPA/WPA2, WPA-PSK/WPA2-PSK.
Hospital's drop provided by the invention based on bracelet prompt monitors system, utilizes image collecting device 2, pressure sensing
Device 4, signal processing circuit 8, solar panel 9, regulator rectifier circuit 10, battery 11, image processing module 12, wireless biography
Defeated unit 13, bracelet 14, display unit 15 and storage unit 16 are monitored the service condition of medical fluid in infusion bottle 3, knot
Close the technologies such as sensor and wireless communication, realize to the real-time detection of the service condition of medical fluid in infusion bottle 3, precisely record and
Long-range monitoring, medical staff can directly acquire the service condition of medical fluid in infusion bottle 3, transfusion outpatient by display unit 15
The service condition of medical fluid in infusion bottle 3 can be known by bracelet 14, structure is simple, versatility is good, integrated level is high, at low cost
Honest and clean, the advantages that real-time is good, detection accuracy is high, easy to maintain, intelligent high, scalability is good, is, it can be achieved that medicine in infusion bottle 3
The service condition of liquid is monitored automatically and is remotely monitored, information-based to the service condition of medical fluid in infusion bottle 3, intelligent to manage
Reason has important role.
Medical staff be able to use it is provided by the invention based on bracelet prompt hospital's drop monitoring system know in real time it is defeated
The service condition of medical fluid in liquid bottle 3, meanwhile, transfusion outpatient can know the service condition of medical fluid in infusion bottle 3 by bracelet 14,
Medical staff is set to replace in time, accurately to infusion bottle with this.
It should be noted last that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although ginseng
It is described the invention in detail according to embodiment, those skilled in the art should understand that, to technical side of the invention
Case is modified or replaced equivalently, and without departure from the spirit and scope of technical solution of the present invention, should all be covered in the present invention
Scope of the claims in.
Claims (10)
1. a kind of hospital's drop based on bracelet prompt monitors system, which is characterized in that hospital's point based on bracelet prompt
Drop monitoring system include image collecting device (2), pressure sensor (4), signal processing circuit (8), solar panel (9),
Regulator rectifier circuit (10), battery (11), image processing module (12), wireless transmission unit (13), bracelet (14), display are single
First (15) and storage unit (16)；
Wherein, described image acquisition device (2) is set on bracket (1), and the infusion bottle (3) hang on the bracket (1),
For acquiring the image information of infusion bottle (3) interior liquid level, the pressure sensor (4) is set to infusion in the infusion bottle (3)
On bottle stopper (5), for acquiring the pressure signal of the medical fluid in the infusion bottle (3), the output end of the pressure sensor (4) with
The input terminal of the signal processing circuit (8) connects, the output end and the regulator rectifier circuit of the solar panel (9)
(10) input terminal connection, the output end of the regulator rectifier circuit (10) are connect with the input terminal of the battery (11), institute
The output end for stating image collecting device (2) is connect with the input terminal of described image processing module (12), the signal processing circuit
(8) output end of output end, the battery (11) and the output end of described image processing module (12) with it is described in
The input terminal of central processor (1) connects, and the input terminal of the display unit (15) and the input terminal of the storage unit (16) are equal
It is connect with the output end of the central processing unit (1), the central processing unit (1) and the wireless transmission unit (13) are two-way
Communication connection, the wireless transmission unit (13) and the bracelet (14) two-way communication link, the bracelet (14) is worn on defeated
Liquid patient is on hand；
Transfusion outpatient connects local area network used in the wireless transmission unit (13) using the bracelet (14), with realize with it is described
Central processing unit (1) data sharing, transfusion outpatient know the pressure information of infusion bottle (3) interior medical fluid by the bracelet (14),
Transfusion outpatient also passes through the pressure threshold of the bracelet (14) setting infusion bottle (3) interior medical fluid, when the bracelet (14) receives
The pressure value of infusion bottle (3) interior medical fluid be less than preset pressure threshold value, then the bracelet (14) issues vibration alarm and sound report
Police defeated will be finished with reminding transfusion outpatient infusion bottle (3) interior medical fluid i.e..
2. hospital's drop according to claim 1 based on bracelet prompt monitors system, which is characterized in that the pressure passes
Sensor (4) is used to acquire the pressure signal of the medical fluid in the infusion bottle (3), and the pressure signal of acquisition is converted to voltage signal
V0, and voltage signal V0 is transmitted to the signal processing circuit (8), V1 is after the signal processing circuit (8) processing
Voltage signal, the signal processing circuit (8) includes signal amplification unit and signal filter unit, the pressure sensor
(4) output end is connect with the input terminal of the signal amplification unit, the output end of the signal amplification unit and the signal
The input terminal of filter unit connects, and the output end of the signal filter unit and the port ADC of the central processing unit (1) connect
It connects.
3. hospital's drop according to claim 2 based on bracelet prompt monitors system, which is characterized in that the signal is put
Big unit includes integrated transporting discharging A1-A2, resistance R1-R14, triode T1-T3 and capacitor C1-C2；
Wherein, the output end of the pressure sensor (4) is connect with one end of resistance R4, the other end and triode T2 of resistance R4
Base stage connection, the output end of the pressure sensor (4) also connect with one end of resistance R2, the other end of resistance R2 with integrate
The inverting input terminal of amplifier A1 connects, and one end of resistance R1 is connect with one end of resistance R12, the other end of resistance R1 and integrated fortune
Put A1 non-inverting input terminal connection, capacitor C1 one end ground connection, after the other end of capacitor C1 is in parallel with the other end of resistance R1 and
The non-inverting input terminal of integrated transporting discharging A1 connects, and the other end of resistance R2 is also connect with one end of capacitor C2, the other end of capacitor C2
Connect with one end of resistance R3, the other end of resistance R3 is connect with one end of resistance R5, the other end of resistance R3 also with resistance R6
One end connection, the output end of integrated transporting discharging A1 connect with the base stage of triode T1, the collector and -15V power supply of triode T1
Connection, the other end of resistance R5 are also connect with the emitter of triode T1, and the other end of resistance R6 is connect with one end of resistance R7,
One end of resistance R8 is connect with the collector of triode T2, and one end of resistance R8 also connects with the inverting input terminal of integrated transporting discharging A2
It connects, the other end of resistance R6 is also connect with the other end of resistance R8, and the other end of resistance R7 is connect with+15V power supply, resistance R9's
One end is connect with the non-inverting input terminal of integrated transporting discharging A2, and one end of resistance R9 is also connect with the collector of triode T3, resistance R9
The other end connect with+15V power supply, one end of resistance R10 is connect with -15V power supply, the emitter of triode T2 and triode T3
Emitter connection after connect with the other end of resistance R10, one end of resistance R11 is connect with one end of resistance R12, resistance R11
The other end connect with the base stage of triode T3, the one end resistance R13 ground connection, the other end of the other end of resistance R12 and resistance R13
Connection, the other end of resistance R12 are also connect with one end of resistance R14, the other end of resistance R14 and the output end of integrated transporting discharging A2
Connection.
4. hospital's drop according to claim 3 based on bracelet prompt monitors system, which is characterized in that the signal filter
Wave unit includes resistance R15-R21, capacitor C3-C4 and integrated transporting discharging A3-A5；
Wherein, the output end of the signal amplification unit is connect with one end of resistance R15, the other end and resistance R17 of resistance R15
One end it is in parallel after connect with the non-inverting input terminal of integrated transporting discharging A3, the other end of resistance R17 and the output end of integrated transporting discharging A3
Connection, one end ground connection of resistance R16, the non-inverting input terminal after the other end of resistance R16 is in parallel with resistance R21 with integrated transporting discharging A3
Connection, the other end of resistance R21 connect with the output end of integrated transporting discharging A4, and the other end of resistance R17 is defeated with integrated transporting discharging A3's
Connect after outlet is in parallel with one end of resistance R18, after the other end of resistance R18 is in parallel with one end of capacitor C3 with integrated transporting discharging A4
Inverting input terminal connection, the other end of capacitor C3 connect with after the parallel connection of the output end of integrated transporting discharging A4 with one end of resistance R19,
The non-inverting input terminal of integrated transporting discharging A4 is grounded, with integrated transporting discharging A5's after the other end of resistance R19 is in parallel with one end of capacitor C4
Inverting input terminal connection, the non-inverting input terminal ground connection of integrated transporting discharging A5, the other end of capacitor C4 and the output end of integrated transporting discharging A5
Connection, one end of resistance R20 are connect with the inverting input terminal of integrated transporting discharging A3, and the other end of resistance R20 is with integrated transporting discharging A5's
Output end connection, one end of resistance R21 are connect with the non-inverting input terminal of integrated transporting discharging A3, the other end of resistance R21 and integrated fortune
The output end connection of A4 is put, the output end of integrated transporting discharging A5 is connect with the port ADC of the central processing unit (1), the signal
Processing unit will treated voltage signal V1 the is transmitted to central processing unit (1) the port ADC.
5. hospital's drop according to claim 1 based on bracelet prompt monitors system, which is characterized in that at described image
Managing module (12) includes image noise reduction unit, image enhancing unit, image sharpening unit and image smoothing unit；
Wherein, described image acquisition device (2) is used to acquire the image information of infusion bottle (3) interior liquid level, described image acquisition dress
The output end for setting (2) is connect with the input terminal of described image noise reduction unit, the output end of described image noise reduction unit and the figure
The input terminal of image intensifying unit connects, and the input terminal that the output end and described image of described image enhancement unit sharpen unit connects
It connects, the output end that described image sharpens unit is connect with the input terminal of described image smooth unit, described image smooth unit
Output end is connect with the input terminal of the central processing unit (1).
6. hospital's drop according to claim 5 based on bracelet prompt monitors system, which is characterized in that by described image
The image definition that acquisition device (2) is transmitted to infusion bottle (3) interior liquid level of described image processing module (12) is two-dimensional function f
(x, y), wherein x, y are space coordinates, and described image noise reduction unit carries out image noise reduction processing to image f (x, y), by figure
As the two-dimensional image function after noise reduction process is g (x, y), wherein
。
7. hospital's drop according to claim 6 based on bracelet prompt monitors system, which is characterized in that described image increases
Strong unit carries out image definition enhancing processing to image g (x, y), by image definition enhancing treated two-dimensional image letter
Number is h (x, y), wherein
。
8. hospital's drop according to claim 7 based on bracelet prompt monitors system, which is characterized in that described image is sharp
Change unit and image sharpening processing carried out to image h (x, y), is d (x, y) by image sharpening treated two-dimensional image function,
Wherein,
。
9. hospital's drop according to claim 8 based on bracelet prompt monitors system, which is characterized in that described image is flat
Sliding unit carries out picture smooth treatment to image d (x, y), and the two-dimensional image function after picture smooth treatment is s (x, y),
Smooth function is q (x, y),
；
；
Wherein , ﹡ is convolution symbol,For customized adjustable constant, smooth effect is to pass throughCome what is controlled；
Described image s (x, y) is transmitted to the central processing unit (1) by described image smooth unit.
10. hospital's drop according to claim 1 based on bracelet prompt monitors system, which is characterized in that the pressure
Sensor (4) is ceramic capacitive pressure sensitive sensor.
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| CN201811370843.5A CN109432546A (en) | 2018-11-18 | 2018-11-18 | A kind of hospital's drop monitoring system based on bracelet prompt |
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