CN105943275A - An anti-falling sickbed for the department of pediatrics - Google Patents
An anti-falling sickbed for the department of pediatrics Download PDFInfo
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- CN105943275A CN105943275A CN201610353151.4A CN201610353151A CN105943275A CN 105943275 A CN105943275 A CN 105943275A CN 201610353151 A CN201610353151 A CN 201610353151A CN 105943275 A CN105943275 A CN 105943275A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/22—Matching criteria, e.g. proximity measures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2200/00—Information related to the kind of patient or his position
- A61G2200/10—Type of patient
- A61G2200/14—Children
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
- A61G2203/72—General characteristics of devices with special adaptations, e.g. for safety or comfort for collision prevention
- A61G2203/723—Impact absorbing means, e.g. bumpers or airbags
Abstract
The invention relates to an anti-falling sickbed for the department of pediatrics. The sickbed comprises a sickbed body and an anti-falling alarm system. The system comprises a soft cushion drive device, a human body detection device, an infrared detection device, a weight change rate detection device and an AVR 32 chip, wherein the AVR 32 chip is connected with the soft cushion drive device, the human body detection device, the infrared detection device and the weight change rate detection device and is used for determining whether the human body detection device and the infrared detection device should be started based on the output of the weight change rate detection device and determining whether a falling trigger signal should be sent to the soft cushion drive device to extend and unfold a soft cushion body at the lower portion of the sickbed body according to the output of the human body detection device and the infrared detection device. An alarm mechanism is provided for patients falling from the sickbed for the department of pediatrics accidentally.
Description
Technical field
The present invention relates to department of pediatrics apparatus field, particularly relate to the department of pediatrics sick bed of a kind of fall arrest.
Background technology
Sick bed is alternatively referred to as medical bedstead, nursing bed etc., is patient's sick bed of use when recuperation, mainly
Use occasion has various big hospital, commune hospital, community medical service center etc..
Sick bed is divided by material, can be divided into ABS sick bed, all steel sick bed, semi-stainless steel sick bed, complete
Steel plastic-blasting sick bed etc..Sick bed is divided by purposes, can be divided into medical hospital bed, domestic sick bed.Merit pressed by sick bed
Can point, can be divided into electric hospital bed and manual sick bed, the most electric hospital bed can be divided into again the electronic disease of five-function
Bed and three functional electric sick beds etc., manual sick bed can be divided into again double shake sick bed, singly to shake sick bed, flat board sick
Bed.
For to be treated in hospital department etc. or for receiving the patient for the treatment of, sick bed is their master
Wanting playground, hospital management side and families of patients to wish, patient can couch restfully stops on one's sick bed
Cease or accept treatment, it is ensured that patient can the most normally tide over treatment phase and convalescence, with etc.
Wait terminate treatment the date to facing.
But, if patient falls accidentally from sick bed, then the injury brought to patient is to estimate
, this is because the state of an illness of some patients itself is easy to bring secondary injury because falling, such as one
A little patients, itself be subject to is damaging of muscle or muscles and bones, if fallen again under sick bed, then aggravates
The state of an illness of self, it is also possible to some patients fall during treating under sick bed, falling
Time health on also with medical care device, such as breathing mask etc., if fallen, then probably because doctor
Protect device to come off and cause patient to be in the boundary being in extreme danger.
Generally, patient is can to have a rest or receive treatment the most safely, is on the one hand
Because having medical personnel incessantly to carry out medical and nursing work, or have families of patients and look after for a long time,
Even if at night, it is also possible to arrange special nursing staff to retain one's original salary to patient and nurse, shorten
The unmanned nurse time of patient, on the other hand also in that some patients still have certain action energy
Power, to oneself having carried out self-specification, reduces the probability fallen from the bed.But, medical personnel,
Families of patients or even the nursing staff retained one's original salary are artificial nurse after all, oneself also have a meal, have a rest time
Between, it is impossible to carrying out patient uninterruptedly, the nurse of 24 hours, therefore, patient still exists certain
The unmanned nurse time, meanwhile, also having some patients is to completely lose ability to act, for these patients,
It is likely to stand up the generation resulting in pendant bed event the most unintentionally.
In order to avoid patient falls the generation of an event, in prior art, hospital management side also takes very
The most positive measure, such as, transforms sick bed bed body, increases the height of guardrail, and in disease
In bed bed body, some geofence equipment and emergence call equipments are set, fall the possibility of bed reducing patient
Property, providing the pendant triggering device that bed is reported to the police for patient, these improved sick bed equipment are to a certain degree
On decrease patient and fall the generation of an event.Meanwhile, hospital management side also takes some measures, example
As increased the interaction with families of patients and communication, to reduce the time of the unmanned nurse of patient.
But, it is excessively simple that these hospital bed structural reforms existing make mechanism, owing to patient falls between bed continues
Every the ofest short duration, above-mentioned detection and warning device accuracy of detection is the highest, detection efficiency is low, guardrail is high
The increase of degree and the increase of nurse time can only reduce patient and fall the probability of bed, and cannot be avoided pendant bed
Event occurs, and most importantly, lacks the fast reaction measure that patient falls an event in prior art
With fast reaction equipment, it is impossible to an event that falls patient carries out fast reaction, it is impossible in time to patient's body
Body quickly supports, and causes the ill effect that patient cannot be avoided to fall bed.
Accordingly, it would be desirable to a kind of new technical scheme with hospital bed fall arrest, it is possible to accurate, high
Detect to effect the pendant bed event of patient, it is possible to quickly report to the police, additionally it is possible to use some emergent anti-
Answer equipment that patient is given first aid to, thus be prevented effectively from patient and injured by shock, improve sick bed
Intelligent level, maintains the medical care effect of hospital.
Summary of the invention
In order to solve the problems referred to above, the invention provides the department of pediatrics sick bed of a kind of fall arrest, by transformation
Existing hospital bed bed body, introduces weight detection equipment, figure in existing hospital bed bed body
Accurately judge as detection equipment and ray detector fall an event to patient, introduce some pre-
Alert equipment is reported to the police accordingly, it is often more important that, also introduce urgent rescue equipment targetedly
The patient body fallen effectively is supported, it is to avoid patient because pendant bed and by actual bodily harm, from
And indirectly maintain the therapeutic effect of hospital.
According to an aspect of the present invention, it is provided that the department of pediatrics sick bed of a kind of fall arrest, including sick bed with anti-
Falling warning system, described system includes that cushion drives equipment, human body detecting device, infrared detection
Equipment, weight rate detection equipment and AVR32 chip, AVR32 chip drives with cushion respectively
Equipment, human body detecting device, infrared detection equipment, weight rate detection equipment connects, and is used for
Output based on weight rate detection equipment determines whether to start human body detecting device and infrared ray inspection
Measurement equipment, is additionally operable to output based on human body detecting device and infrared detection equipment and determines whether soft
Pad driving equipment sends to fall and triggers signal to stretch out the cushion main body launching to be positioned at sick bed lower position.
More specifically, in the department of pediatrics sick bed of described fall arrest, including: cushion drives equipment, with
AVR32 chip connect, for receive fall triggering signal time, control cushion deployed configuration realize
The expansion of stretching out of cushion main body operates；Cushion deployed configuration, drives equipment to be connected, including water with cushion
Flattened shrinking structure and contraction structure, horizontal extension structure is used for cushion main body from sick bed lower position water
Putting down and reach sick bed side, contraction structure is connected with horizontal extension structure, in horizontal extension structure
After completing to stretch out operation, cushion main body is launched；Cushion main body, is connected with cushion deployed configuration, often
State is for being positioned at sick bed lower position and being in contraction state, for falling sick bed when being in deployed condition
The human body that falls is protected；Weight rate detection equipment, is positioned at position, sick bed bed board downside, including
Weight detector and timer, weight detector load weight on detection sick bed bed board in real time,
The output of weight rate detection equipment output based on weight detector and timer determines hospital bed
Load weight rate of change on plate, when load weight rate of change is more than when presetting rate of change, sends weight
Change early warning signal, when load weight rate of change is less than or equal to when presetting rate of change, sends weight change
Normal signal；Point array camera, is positioned at the side of sick bed bed board, and ward bed side shoots with level dorsad
Direction shoots to obtain high definition side image；Spatial domain picture strengthen equipment, be connected with an array camera with
Receive high definition side image, including direct greyscale transformation subset and histogram modification subset, directly
Greyscale transformation subset is connected with some array camera, becomes for high definition side image is performed direct gray scale
Changing process and strengthen image to obtain first, histogram modification subset is with direct greyscale transformation subset even
Connect, for receiving the first enhancing image, and the first enhancing image execution histogram modification is processed to obtain
Obtaining the second enhancing image, wherein, direct greyscale transform process uses logarithmic function to high definition side image
Each pixel value carry out computing, by after computing each pixel value form first enhancing image,
Histogram modification processes the gray scale layout changing the first enhancing image by changing histogrammic shape
To strengthen the first enhancing image, it is thus achieved that second strengthens image；Wiener filtering equipment, increases with spatial domain picture
The histogram modification subset of strong equipment connects, and for receiving the second enhancing image, and strengthens second
Image performs the first Filtering Processing to obtain the first filtering image, wherein the first Filtering Processing be used for so that
The mean square error that first filtering image and second strengthens image is minimum to remove in the second enhancing image
Speckle noise and white noise；Modified model medium filtering equipment, is connected with Wiener filtering equipment to obtain
One filtering image, selects subset and Filtering Processing subset including noise measuring subset, module,
Noise measuring subset is connected with Wiener filtering equipment, by the ash of the pixel to the first filtering image
Angle value is analyzed determining the distribution radius in each noise profile region, and by each noise profile
Maximum in the distribution radius in region exports as maximum distribution radius, and module selects subset and makes an uproar
Sound detection subset connects, and is used for receiving maximum distribution radius, and based on maximum distribution radius select into
The filtration module of row medium filtering, Filtering Processing subset selects with Wiener filtering equipment and module respectively
Subset connects, for the first filtering image being carried out medium filtering process based on the filtration module selected
To obtain the second filtering image, wherein medium filtering process include in the first filtering image each
Pixel carries out following process as target pixel points: with target pixel points in the first filtering image
Multiple pixel conduct is taken out as the centre of form of the filtration module selected in the first filtering image in position
Multiple reference image vegetarian refreshments, take the maximum in the pixel value of multiple reference image vegetarian refreshments and minima using as
Pixel maximum and pixel minimum, determine the meansigma methods of pixel maximum and pixel minimum using as
Pixel average, for each reference image vegetarian refreshments, if its pixel value is less than pixel average, then
Replace its pixel value with 0, if its pixel value is more than or equal to pixel average, then retain its pixel value,
Finally the meansigma methods of the pixel value of multiple reference image vegetarian refreshments is exported as the pixel value of target pixel points；
Human body detecting device, is connected with modified model medium filtering equipment, by pixel in the second filtering image
The point gray value all pixels composition human body subimage in human body intensity value ranges, when human body subgraph
When being more than or equal to presetted pixel point quantity as the sum of occupied pixel, send and there is human body letter
Number, otherwise, send without human body signal；Infrared detection equipment, is positioned at the side of sick bed bed board,
For detecting whether there is the object side process from sick bed bed board, and detecting that object is from hospital bed
The side of plate, through out-of-date, send object and skims over signal；Solar energy detection equipment, is positioned at building, place, ward
On the exterior wall of space, detect current solar energy intensity in real time；Power supply unit, supplies including solar energy
Electrical part, accumulator, switching switch and electric pressure converter, switching switch sets with solar energy detection respectively
Device standby, solar powered and accumulator connect, when the dump energy of accumulator not enough and current too
When sun energy intensity is optionally greater than preset strength, it is switched to solar powered device with by solar energy electric supplier
Part is powered, and electric pressure converter is connected with switching switch, with by the 5V voltage by switching switch input
Being converted to 3.3V voltage, the most solar powered device is positioned on the exterior wall of place, ward building, the sun
Solar energy photovoltaic panel can be included by power supply device；Wireless charging device, respectively with solar energy detection equipment and
Accumulator connects, and the solar energy intensity not enough and current when the dump energy of accumulator is less than preset strength
Time, set up with neighbouring wireless charging terminal and be connected to start wireless charging operation, wireless charging device
Also it is connected with electric pressure converter to realize voltage conversion；Sound and light alarm equipment, is connected with AVR32 chip,
Including audible alarm subset and light warning subset for receiving the triggering signal or fall of falling
Corresponding sound and light alarm operation is carried out during early warning signal；User input device, links with MMC storage
Connect, under the operation of user, in MMC storage card, input preset content；City is electrically accessed and connects
Mouthful, it is connected with line, for receiving the Alternating Current Power Supply signal of line input；Current Mutual Inductance
Device and sample circuit, be connected with the A phase line in line, B phase line and C phase line, uses
In the current signal in A phase line, B phase line and C phase line is sampled respectively；Voltage takes
Sample circuit, is connected with the A phase line in line, B phase line and C phase line, for A
Voltage signal in phase line, B phase line and C phase line is sampled respectively；Current signal is nursed one's health
Circuit, is connected with current transformer and sample circuit, for sampling current is carried out signal condition；Electricity
Pressure signal conditioning circuit, is connected with voltage sample circuit, for sampling voltage is carried out signal condition；
AD73360 chip, is connected with current signal conditioning circuit and voltage signal conditioning circuit respectively, exchanges
Sampling current after reason and the sampling voltage after conditioning perform 16 A/D conversions respectively, it is thus achieved that numeral
Current signal and digital voltage signal, be additionally based upon digital current signal and digital voltage signal determines numeral
The virtual value of current signal and the virtual value of digital voltage signal；Alternating Current Power Supply conversion equipment, with civil power
A phase line, B phase line and C phase line in circuit connect, and are used for performing alternating current to unidirectional current
Conversion；Display device, is connected with AD73360 chip, for real-time display digit current signal
Virtual value and the virtual value of digital voltage signal；AVR32 chip, respectively with an array camera, cushion
Driving equipment, weight rate detection equipment, human body detecting device and infrared detection equipment connect,
After receiving weight change early warning signal, start some array camera, human body detecting device and infrared ray inspection
Measurement equipment, subsequently receive exist human body signal and receive object skim over signal time, send and fall
Trigger signal, receive without human body signal and receive object skim over signal time, send early warning of falling
Signal, and do not receive object and skim over signal and receive only and there is human body signal, send fall pre-
Alert signal；MMC storage card, is used for having prestored presetted pixel point quantity and default rate of change；
Wherein, module selects subset to select to carry out the filtration module bag of medium filtering based on maximum distribution radius
Including: maximum distribution radius is the biggest, the filtration module carrying out medium filtering of selection is the biggest, maximum distribution
Radius is the least, and the filtration module carrying out medium filtering of selection is the least；Wherein, module selects subset
In selective filtration module include 3 × 3,5 × 5,7 × 7 and 9 × 9.
More specifically, in the department of pediatrics sick bed of described fall arrest: user input device is keyboard array.
More specifically, in the department of pediatrics sick bed of described fall arrest: infrared detection equipment includes infrared ray
Emitter and infrared receiver.
More specifically, in the department of pediatrics sick bed of described fall arrest: infrared detection equipment includes microcontroller
Device.
More specifically, in the department of pediatrics sick bed of described fall arrest: microcontroller is AT89C51 single-chip microcomputer.
More specifically, in the department of pediatrics sick bed of described fall arrest: AVR32 chip and MMC storage card
It is integrated on one piece of surface-mounted integrated circuit.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram of the department of pediatrics sick bed according to the fall arrest shown in embodiment of the present invention.
Fig. 2 is the modified model intermediate value filter of the department of pediatrics sick bed according to the fall arrest shown in embodiment of the present invention
The block diagram of wave device.
Reference: 1 cushion drives equipment；2 human body detecting devices；3 infrared detection equipment；
4 weight rate detection equipment；5 AVR32 chips；6 noise measuring subsets；7 modules select
Subset；8 Filtering Processing subsets
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of the department of pediatrics sick bed of the fall arrest of the present invention is carried out in detail
Explanation.
Armarium improves constantly the primary condition of medical science level, is also up-to-dateness
Important symbol, armarium has become a key areas of modern medical service.The development of medical treatment is the biggest
Depending on the development of instrument in degree, even in medical industry develops, its breakthrough bottleneck also plays
Conclusive effect.
Medical apparatus and instruments refer to be used alone or in combination the instrument in human body, equipment, utensil, material or
Other article of person, also include required software.For body surface and internal therapeutic effect it is not
Obtained by the means of pharmacology, immunology or metabolism, but medical device product serves one
Fixed assosting effect.During use, it is intended to reach following expection purpose: prevention of disease, examine
Break, treat, guard, alleviate；To damage or the diagnosis of deformity, treat, guard, alleviate, mend
Repay；To dissecting or the research of physiological process, substituting, regulate；Gestation controls.
Armarium can be divided into 10 classes: ward nursing equipment (sick bed, go-cart, oxygen cylinder, gastric lavage
Machine, needleless injector etc.)；Surgical apparatus (operation table, luminaire, operating theater instruments and various,
Frame, stool, cabinet, also include microsurgical equipment)；Radiotherapy equipment (contact apparatus, shallow-layer
Therapy apparatus, degree of depth therapy apparatus, accelerator, 60 Co60 radiotherapy unit 60s, radium or 137 caesium intracavitary therapies and after fill
Device treatment etc.)；Nuclear medicine treatments equipment-Therapeutic Method has internal-radiation therapy, application therapy and colloid
Treat three kinds；Physics and chemistry equipment (can be generally divided into phototherapy commercial affairs, electrotherapy apparatus, ultrasonic therapeutic and sulfur
Treatment equipment 4 class)；(conventional has ruby laser, He-Ne to laser equipment medical laser generator
Laser, carbon dioxide laser, argon laser and YAG laser etc.)；Dialysis treatment equipment is (often
Artificial kidney have flat membranes type artificial kidney and the big class of cast artificial kidney two)；Body temperature freezing equipment (is partly led
Body cryoprobe, gas cryoprobe and solid cryoprobe etc.)；First-aid apparatus is (defibrillation pacing devices, artificial
Respirator, ultrasound atomizer etc.)；Other therapeutic equipment (hyperbaric oxygen chamber, the chrome device of ophthalmic high frequency,
Locking magnet, vitreous cutter, blood adult's separator etc.).This broadly falls into, and each section is special to be controlled
Treatment equipment, the most also can be separately divided into a class.
Sick bed is armarium most basic in hospital, modal, the medical time of most patients and
The nurse time tides over the most on one's sick bed, but, due to reason and the unmanned nursing of sick bed structure itself
The existence of time, patient falls an event and happens occasionally, and causes bigger injury to patient, except band
Serve outside the pain of injury on shock, also likely expand the state of an illness of patient, to the recovery of patient and
Treatment adversely affects.
Currently, hospital management side the most actively take some measures patient is fallen an event carry out prevention and
Avoid, such as, reinforce bed body, increase source of early warning, reduce the unmanned nursing time, but, on the one hand
These measures and equipment are excessively simple, and detection and early warning are inefficient, on the other hand, lack patient
Hold up the urgent rescue equipment of patient body during pendant bed, fall an event also cannot keep away even if having detected patient
Exempt from patient and fall the consequence that bed causes, do not provide any help in practice for patient.
In order to overcome above-mentioned deficiency, the present invention has built the department of pediatrics sick bed of a kind of fall arrest, utilizes existing
Hospital bed bed body, it is carried out structure of modification and upgrading, adds various detection equipment and early warning
Equipment falls an event and accurately identifies patient, particularly critical, also add effective emergent
Consersion unit carries out urgent rescue when patient falls bed, thus avoids what pendant bed event caused to patient
Secondary injury occurs.
Fig. 1 is the block diagram of the department of pediatrics sick bed according to the fall arrest shown in embodiment of the present invention,
Including sick bed and fall arrest warning system, described system include cushion drive equipment, human body detecting device,
Infrared detection equipment, weight rate detection equipment and AVR32 chip, AVR32 chip is respectively
Equipment, human body detecting device, infrared detection equipment, weight rate detection equipment is driven with cushion
Connect, for based on weight rate detection equipment output determine whether start human body detecting device and
Infrared detection equipment, is additionally operable to output based on human body detecting device and infrared detection equipment and determines
Whether drive equipment to send the triggering signal that falls to cushion and be positioned at sick bed lower position to stretch out expansion
Cushion main body.
Then, continue the concrete structure of the department of pediatrics sick bed of the fall arrest of the present invention is carried out further
Bright.
Described system includes: cushion drives equipment, is connected with AVR32 chip, for receiving
Fall triggering signal time, control cushion deployed configuration realize cushion main body stretch out expansion operation；Cushion
Deployed configuration, drives equipment to be connected with cushion, and including horizontal extension structure and contraction structure, level is stretched
Shrinking structure for cushion main body is protruded horizontally up sick bed side from sick bed lower position, contraction structure with
Horizontal extension structure connects, for after horizontal extension structure completes to stretch out operation, by cushion main body exhibition
Open；Cushion main body, is connected with cushion deployed configuration, and normality is for being positioned at sick bed lower position and being in receipts
Contracting state, for falling sick bed when being in deployed condition, human body is protected.
Described system includes: weight rate detection equipment, is positioned at position, sick bed bed board downside, bag
Include weight detector and timer, weight detector load weight on detection sick bed bed board in real time
Amount, the output of weight rate detection equipment output based on weight detector and timer determines sick bed
Load weight rate of change on bed board, when load weight rate of change is more than when presetting rate of change, sends weight
Amount change early warning signal, when load weight rate of change is less than or equal to when presetting rate of change, sends weight and becomes
Change normal signal；Point array camera, is positioned at the side of sick bed bed board, and ward bed side is clapped with level dorsad
Take the photograph direction to shoot to obtain high definition side image.
Described system includes: spatial domain picture strengthens equipment, is connected with an array camera to receive high definition side
Face image, including direct greyscale transformation subset and histogram modification subset, direct greyscale transformation
Equipment is connected with some array camera, for high definition side image is performed direct greyscale transform process to obtain
Obtaining the first enhancing image, histogram modification subset is connected with direct greyscale transformation subset, is used for connecing
Receive the first enhancing image, and strengthen image execution histogram modification process to first to obtain the second enhancing
Image, wherein, direct greyscale transform process uses logarithmic function each picture to high definition side image
Element value carries out computing, and each pixel value after computing forms the first enhancing image, histogram modification
Process and change the gray scale layout of the first enhancing image to strengthen first by the histogrammic shape of change
Strengthen image, it is thus achieved that second strengthens image.
Described system includes: Wiener filtering equipment, with histogram modification that spatial domain picture strengthens equipment
Equipment connects, and for receiving the second enhancing image, and the second enhancing image is performed the first Filtering Processing
To obtain the first filtering image, wherein the first Filtering Processing is used for so that the first filtering image and second increases
The mean square error of strong image is minimum to remove the speckle noise in the second enhancing image and white noise.
As in figure 2 it is shown, described system includes: modified model medium filtering equipment, with Wiener filtering equipment
Connect to obtain the first filtering image, select subset and filtering including noise measuring subset, module
Processing subset, noise measuring subset is connected with Wiener filtering equipment, by the first filtering image
The gray value of pixel be analyzed determining the distribution radius in each noise profile region, and will
Maximum in the distribution radius in each noise profile region exports as maximum distribution radius, and module is selected
Select subset to be connected with noise measuring subset, be used for receiving maximum distribution radius, and divide based on maximum
Cloth radius selects to carry out the filtration module of medium filtering, and Filtering Processing subset sets with Wiener filtering respectively
Standby and module selects subset to connect, for carrying out the first filtering image based on the filtration module selected
Medium filtering processes to obtain the second filtering image, and wherein medium filtering processes and includes for the first filtering
In image, each pixel carries out following process as target pixel points: with target pixel points first
Position in filtering image is taken out many as the centre of form of the filtration module selected in the first filtering image
Individual pixel as multiple reference image vegetarian refreshments, take the maximum in the pixel value of multiple reference image vegetarian refreshments and
Minima using as pixel maximum and pixel minimum, determines pixel maximum and pixel minimum
Meansigma methods is using as pixel average, for each reference image vegetarian refreshments, if its pixel value is less than picture
Element meansigma methods, then replace its pixel value with 0, if its pixel value is more than or equal to pixel average, then
Retain its pixel value, finally using the meansigma methods of the pixel value of multiple reference image vegetarian refreshments as target pixel points
Pixel value output.
Described system includes: human body detecting device, is connected with modified model medium filtering equipment, by second
The pixel gray value all pixels composition human body in human body intensity value ranges in filtering image
Image, when the sum of the pixel occupied by human body subimage is more than or equal to presetted pixel point quantity,
Send and there is human body signal, otherwise, send without human body signal.
Described system includes: infrared detection equipment, is positioned at the side of sick bed bed board, for detection is
No have the object side process from sick bed bed board, and the object side warp from sick bed bed board detected
Out-of-date, send object and skim over signal.
Described system includes: solar energy detection equipment, is positioned on the exterior wall of place, ward building, is used for
Detect current solar energy intensity in real time；Power supply unit, including solar powered device, accumulator,
Switching switch and electric pressure converter, switching switch detects equipment, solar energy electric supplier with solar energy respectively
Part and accumulator connect, and the solar energy intensity not enough and current when the dump energy of accumulator is optionally greater than
During preset strength, being switched to solar powered device to be powered by solar powered device, voltage is changed
Device is connected with switching switch, so that 3.3V voltage will be converted to by the 5V voltage of switching switch input,
The most solar powered device is positioned on the exterior wall of place, ward building, and solar powered device includes too
Sun can photovoltaic panel.
Described system includes: wireless charging device, is connected with solar energy detection equipment and accumulator respectively,
When the solar energy intensity that the dump energy of accumulator is not enough and current is less than preset strength, with neighbouring
Wireless charging terminal is set up and is connected to start wireless charging operation, and wireless charging device is also changed with voltage
Device connects to realize voltage conversion.
Described system includes: sound and light alarm equipment, is connected with AVR32 chip, including audible alarm
Subset and light warning subset for receive fall triggering signal or fall early warning signal time enter
Row corresponding sound and light alarm operation；User input device, is connected with MMC storage card, for
Under the operation at family, in MMC storage card, input preset content；Civil power access interface, with city's electric wire
Road connects, for receiving the Alternating Current Power Supply signal of line input；Current transformer and sample circuit,
Be connected with the A phase line in line, B phase line and C phase line, for A phase line,
Current signal in B phase line and C phase line is sampled respectively；Voltage sample circuit, with civil power
A phase line, B phase line and C phase line in circuit connect, for A phase line, B phase line
Voltage signal in road and C phase line is sampled respectively；Current signal conditioning circuit, mutual with electric current
Sensor and sample circuit connect, for sampling current is carried out signal condition；Voltage signal conditioning circuit,
It is connected with voltage sample circuit, for sampling voltage is carried out signal condition.
Described system includes: AD73360 chip, respectively with current signal conditioning circuit and voltage signal
Modulate circuit connects, and the sampling voltage after the sampling current after conditioning and conditioning is performed 16 respectively
A/D changes, it is thus achieved that digital current signal and digital voltage signal, is additionally based upon digital current signal sum
Word voltage signal determines the virtual value of digital current signal and the virtual value of digital voltage signal；Exchange supplies
Electricity conversion equipment, is connected with the A phase line in line, B phase line and C phase line, is used for
Perform alternating current to galvanic conversion；Display device, is connected with AD73360 chip, in real time
The virtual value of display digit current signal and the virtual value of digital voltage signal.
Described system includes: AVR32 chip, drives equipment, weight with an array camera, cushion respectively
Quantitative change rate detection equipment, human body detecting device and infrared detection equipment connect, and become when receiving weight
After changing early warning signal, start some array camera, human body detecting device and infrared detection equipment, subsequently
Receive exist human body signal and receive object skim over signal time, send the triggering signal that falls,
Receive without human body signal and receive object skim over signal time, send the early warning signal that falls, Yi Jiwei
Receive object to skim over signal and receive only and there is human body signal, send the early warning signal that falls；MMC
Storage card, is used for having prestored presetted pixel point quantity and default rate of change.
Wherein, module selects subset to select to carry out the filtering mould of medium filtering based on maximum distribution radius
Block includes: maximum distribution radius is the biggest, and the filtration module carrying out medium filtering of selection is the biggest, maximum
Distribution radius is the least, and the filtration module carrying out medium filtering of selection is the least.
Wherein, module selects selective filtration module in subset to include 3 × 3, and 5 × 5,7 × 7
With 9 × 9.
Alternatively, described system includes: user input device is keyboard array；Infrared detection equipment
Including RF transmitter and infrared receiver；Infrared detection equipment includes microcontroller；Micro-control
Device processed is AT89C51 single-chip microcomputer；And AVR32 chip is integrated in one piece of collection with MMC storage card
Become on circuit board.
It addition, infrared ray (Infrared) is wavelength electromagnetic wave between microwave and visible ray, ripple
Long between 760 nanometers (nm) to 1 millimeter (mm), the non-visible light longer than HONGGUANG.It is higher than
The material of absolute zero (-273.15 DEG C) can produce infrared ray.Modern physics referred to as heat is penetrated
Line.Medical infrared ray can be divided into two classes: near infrared ray and far infrared.Containing heat energy, the heat of the sun
Mainly pass to the earth by infrared ray.
Infrared ray is the one in sunray in numerous invisible rays, by British scientist He Xieer
Finding in 1800, being also called infrared emanation, sunlight prism is disassembled by he, respectively
Placed thermometer on the ribbon position of kind of different colours, it is intended to measure shades of colour light add thermal effect
Should.Heat up the fastest it was found that be positioned at that thermometer outside HONGGUANG.Therefore it is concluded that too
In solar spectrum, the outside of HONGGUANG there will necessarily be invisible light, here it is infrared ray.Can also work as
Make the medium transmitted.On solar spectrum, ultrared wavelength is more than luminous ray, and wavelength is 0.75～1000
μm.Infrared ray can be divided into three parts, i.e. near infrared ray, wavelength be (0.75-1)～(2.5-3) μm it
Between；Middle infrared (Mid-IR), wavelength is between (2.5-3)～(25-40) μm；Far infrared, wavelength be (25-40)～
Between l500 μm.
Use the department of pediatrics sick bed of the fall arrest of the present invention, cannot be for fall from sick bed for prior art
Patient carry out the technical problem of urgent rescue, examine by adding high-precision multiple detection equipment
Survey result comprehensively to analyze, effectively to judge whether patient falls, be additionally added the warning device of necessity
Report to the police, be also added into special emergency reaction equipment promptly to rescue when patient falls simultaneously
Protect, thus embody the humane rescue spirit of hospital, improve medical care effect and the reliability of sick bed.
Although it is understood that the present invention discloses as above with preferred embodiment, but above-mentioned enforcement
Example is not limited to the present invention.For any those of ordinary skill in the art, without departing from
Under technical solution of the present invention ambit, all may utilize the technology contents of the disclosure above to the technology of the present invention
Scheme makes many possible variations and modification, or is revised as the Equivalent embodiments of equivalent variations.Therefore,
Every content without departing from technical solution of the present invention, the technical spirit of the foundation present invention is to above example
Any simple modification, equivalent variations and the modification done, all still falls within technical solution of the present invention protection
In the range of.
Claims (7)
1. a department of pediatrics sick bed for fall arrest, including sick bed and fall arrest warning system, its feature exists
In, described system includes that cushion drives equipment, human body detecting device, infrared detection equipment, weight
Rate of change detection equipment and AVR32 chip, AVR32 chip drives equipment, human body with cushion respectively
Detection equipment, infrared detection equipment, weight rate detection equipment connects, for becoming based on weight
The output of rate detection equipment determines whether to start human body detecting device and infrared detection equipment, also uses
Determine whether that cushion drives equipment in output based on human body detecting device and infrared detection equipment
Sending falls triggers signal to stretch out the cushion main body launching to be positioned at sick bed lower position.
2. the department of pediatrics sick bed of fall arrest as claimed in claim 1, it is characterised in that described system
Including:
Cushion drive equipment, is connected with AVR32 chip, for receive fall trigger signal time,
Control cushion deployed configuration realizes the expansion of stretching out of cushion main body and operates；
Cushion deployed configuration, drives equipment to be connected with cushion, including horizontal extension structure and contraction structure,
Horizontal extension structure, for cushion main body is protruded horizontally up sick bed side from sick bed lower position, is shunk
Structure is connected with horizontal extension structure, for after horizontal extension structure completes to stretch out operation, by cushion
Main body is launched；
Cushion main body, is connected with cushion deployed configuration, and normality is for being positioned at sick bed lower position and being in receipts
Contracting state, for falling sick bed when being in deployed condition, human body is protected；
Weight rate detection equipment, is positioned at position, sick bed bed board downside, including weight detector and
Timer, weight detector load weight on detection sick bed bed board in real time, weight rate is examined
The output of measurement equipment output based on weight detector and timer determines the load weight on sick bed bed board
Quantitative change rate, when load weight rate of change is more than when presetting rate of change, sends weight change early warning signal,
When load weight rate of change is less than or equal to when presetting rate of change, send weight change normal signal；
Point array camera, is positioned at the side of sick bed bed board, and ward bed side is clapped with horizontal shooting direction dorsad
Take the photograph to obtain high definition side image；
Spatial domain picture strengthens equipment, is connected with an array camera to receive high definition side image, including straight
Ash degree varitron equipment and histogram modification subset, direct greyscale transformation subset images with dot matrix
Machine connects, for high definition side image performing direct greyscale transform process to obtain the first enhancing figure
Picture, histogram modification subset is connected with direct greyscale transformation subset, for receiving the first enhancing figure
Picture, and process to obtain the second enhancing image to the first enhancing image execution histogram modification, wherein,
Directly greyscale transform process uses logarithmic function to transport each pixel value of high definition side image
Calculating, each pixel value after computing forms the first enhancing image, histogram modification processes by changing
Become histogrammic shape and change the gray scale layout of the first enhancing image to strengthen the first enhancing image, obtain
Obtain the second enhancing image；
Wiener filtering equipment, the histogram modification subset strengthening equipment with spatial domain picture is connected, and is used for
Receive the second enhancing image, and the second enhancing image is performed the first Filtering Processing to obtain the first filtering
Image, wherein the first Filtering Processing is for making the first filtering image and second strengthen the mean square error of image
Difference is minimum to remove the speckle noise in the second enhancing image and white noise；
Modified model medium filtering equipment, is connected to obtain the first filtering image with Wiener filtering equipment, bag
Include noise measuring subset, module selects subset and Filtering Processing subset, noise measuring subset
Be connected with Wiener filtering equipment, by the gray value of the pixel of the first filtering image is analyzed with
Determine the distribution radius in each noise profile region, and by the distribution radius in each noise profile region
In maximum export as maximum distribution radius, module selects subset and noise measuring subset even
Connect, be used for receiving maximum distribution radius, and select to carry out the filter of medium filtering based on maximum distribution radius
Mode block, Filtering Processing subset selects subset to be connected with Wiener filtering equipment and module respectively, uses
Process to obtain the second filter in the first filtering image being carried out medium filtering based on the filtration module selected
Ripple image, wherein medium filtering processes and includes for each pixel in the first filtering image as mesh
Mark pixel carries out following process: using target pixel points position in the first filtering image as selection
The centre of form of filtration module in the first filtering image, take out multiple pixel as multiple reference pixels
Point, take the maximum in the pixel value of multiple reference image vegetarian refreshments and minima using as pixel maximum and
Pixel minimum, determine the meansigma methods of pixel maximum and pixel minimum using as pixel average,
For each reference image vegetarian refreshments, if its pixel value is less than pixel average, then replace its picture with 0
Element value, if its pixel value is more than or equal to pixel average, then retains its pixel value, finally by multiple
The meansigma methods of the pixel value of reference image vegetarian refreshments exports as the pixel value of target pixel points；
Human body detecting device, is connected with modified model medium filtering equipment, by pixel in the second filtering image
The point gray value all pixels composition human body subimage in human body intensity value ranges, when human body subgraph
When being more than or equal to presetted pixel point quantity as the sum of occupied pixel, send and there is human body letter
Number, otherwise, send without human body signal；
Infrared detection equipment, is positioned at the side of sick bed bed board, for detecting whether have object from sick bed
The side process of bed board, and detect object from the side of sick bed bed board through out-of-date, send object
Skim over signal；
Solar energy detection equipment, is positioned on the exterior wall of place, ward building, current for detection in real time
Solar energy intensity；
Power supply unit, including solar powered device, accumulator, switching switch and electric pressure converter,
Switching switch is connected with solar energy detection equipment, solar powered device and accumulator respectively, works as electric power storage
When not enough the and current solar energy intensity of the dump energy in pond is optionally greater than preset strength, it is switched to the sun
Energy power supply device is to be powered by solar powered device, and electric pressure converter is connected with switching switch, to incite somebody to action
Being converted to 3.3V voltage by the 5V voltage of switching switch input, the most solar powered device is positioned at
On the exterior wall of place, ward building, solar powered device includes solar energy photovoltaic panel；
Wireless charging device, is connected with solar energy detection equipment and accumulator respectively, when remaining of accumulator
When not enough the and current solar energy intensity of remaining electricity is less than preset strength, with neighbouring wireless charging terminal
Setting up and connect to start wireless charging operation, wireless charging device is also connected with electric pressure converter to realize
Voltage is changed；
Sound and light alarm equipment, is connected with AVR32 chip, reports to the police sub including audible alarm subset and light
Equipment for receive fall triggering signal or fall early warning signal time carry out corresponding sound and light alarm
Operation；
User input device, is connected with MMC storage card, under the operation of user, to MMC
Storage card inputs preset content；
Civil power access interface, is connected with line, for receiving the Alternating Current Power Supply of line input
Signal；
A phase line, B phase line and C phase in current transformer and sample circuit, with line
Connection, for carrying out respectively the current signal in A phase line, B phase line and C phase line
Sampling；
Voltage sample circuit, is connected with the A phase line in line, B phase line and C phase line,
For the voltage signal in A phase line, B phase line and C phase line is sampled respectively；
Current signal conditioning circuit, is connected with current transformer and sample circuit, for sampling current
Carry out signal condition；
Voltage signal conditioning circuit, is connected with voltage sample circuit, for sampling voltage is carried out signal
Conditioning；
AD73360 chip, is connected with current signal conditioning circuit and voltage signal conditioning circuit respectively,
Sampling voltage after sampling current after conditioning and conditioning is performed respectively 16 A/D conversions, it is thus achieved that
Digital current signal and digital voltage signal, be additionally based upon digital current signal and digital voltage signal determines
The virtual value of digital current signal and the virtual value of digital voltage signal；
Alternating Current Power Supply conversion equipment, with the A phase line in line, B phase line and C phase line
Connect, be used for performing alternating current to galvanic conversion；
Display device, is connected with AD73360 chip, effective for real-time display digit current signal
Value and the virtual value of digital voltage signal；
AVR32 chip, drives the detection of equipment, weight rate to set with an array camera, cushion respectively
Standby, human body detecting device and infrared detection equipment connect, after receiving weight change early warning signal,
Start a some array camera, human body detecting device and infrared detection equipment, there is people receiving subsequently
Body signal and receive object when skimming over signal, sends the triggering signal that falls, believes without human body receiving
Number and receive object when skimming over signal, send the early warning signal that falls, and do not receive object and skim over
Signal and receive only and there is human body signal, send the early warning signal that falls；
MMC storage card, is used for having prestored presetted pixel point quantity and default rate of change；
Wherein, module selects subset to select to carry out the filtering mould of medium filtering based on maximum distribution radius
Block includes: maximum distribution radius is the biggest, and the filtration module carrying out medium filtering of selection is the biggest, maximum
Distribution radius is the least, and the filtration module carrying out medium filtering of selection is the least；
Wherein, module selects selective filtration module in subset to include 3 × 3, and 5 × 5,7 × 7
With 9 × 9.
3. the department of pediatrics sick bed of fall arrest as claimed in claim 2, it is characterised in that:
User input device is keyboard array.
4. the department of pediatrics sick bed of fall arrest as claimed in claim 2, it is characterised in that:
Infrared detection equipment includes RF transmitter and infrared receiver.
5. the department of pediatrics sick bed of fall arrest as claimed in claim 4, it is characterised in that:
Infrared detection equipment includes microcontroller.
6. the department of pediatrics sick bed of fall arrest as claimed in claim 5, it is characterised in that:
Microcontroller is AT89C51 single-chip microcomputer.
7. the department of pediatrics sick bed of the fall arrest as described in claim 2-6 is arbitrary, it is characterised in that:
AVR32 chip and MMC storage card are integrated on one piece of surface-mounted integrated circuit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610353151.4A CN105943275B (en) | 2016-05-24 | 2016-05-24 | The paediatrics sick bed of fall arrest |
| CN201710851169.1A CN107616884A (en) | 2016-05-24 | 2016-05-24 | The paediatric surgery bed of fall arrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610353151.4A CN105943275B (en) | 2016-05-24 | 2016-05-24 | The paediatrics sick bed of fall arrest |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710851169.1A Division CN107616884A (en) | 2016-05-24 | 2016-05-24 | The paediatric surgery bed of fall arrest |
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| CN105943275A true CN105943275A (en) | 2016-09-21 |
| CN105943275B CN105943275B (en) | 2017-11-14 |
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| CN201610353151.4A Active CN105943275B (en) | 2016-05-24 | 2016-05-24 | The paediatrics sick bed of fall arrest |
| CN201710851169.1A Withdrawn CN107616884A (en) | 2016-05-24 | 2016-05-24 | The paediatric surgery bed of fall arrest |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710851169.1A Withdrawn CN107616884A (en) | 2016-05-24 | 2016-05-24 | The paediatric surgery bed of fall arrest |
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| CN107248261A (en) * | 2017-06-27 | 2017-10-13 | 苏州见真物联科技有限公司 | A kind of intelligent safety protection device for preventing that baby from falling |
| CN107411431A (en) * | 2017-08-12 | 2017-12-01 | 相城区元和艾斯林格工业设计工作室 | A kind of safety bed for children |
| CN107467974A (en) * | 2017-08-12 | 2017-12-15 | 相城区元和艾斯林格工业设计工作室 | A kind of bed for preventing that children from falling |
| CN109726629A (en) * | 2018-11-09 | 2019-05-07 | 余姚市雷阵雨电器有限公司 | Dust granule analytical density system |
| CN111803769A (en) * | 2020-06-19 | 2020-10-23 | 周建 | Patient position abnormity management system and corresponding terminal |
| CN112494239A (en) * | 2020-11-19 | 2021-03-16 | 联赢医疗科技有限公司 | Clinical emergency treatment robot for acute patient |
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| CN108378993B (en) * | 2018-02-11 | 2020-04-03 | 重庆医科大学附属永川医院 | Falling prevention bed for orthopedic operation |
| CN110363075B (en) * | 2019-06-03 | 2020-03-20 | 南京特殊教育师范学院 | Suspicious ill face detection system based on big data server |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107616884A (en) | 2018-01-23 |
| CN105943275B (en) | 2017-11-14 |
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Effective date of registration: 20171023 Address after: 272000 Jining Maternal and Children's Hospital, 12 supply and marketing road, Shandong, Jining Applicant after: Zhang Jiaojiao Address before: No. 129 pediatric TCM Hospital of Qufu city in Shandong Province Cang Geng 273100 Qufu Road, Jining City Applicant before: Chen Bingtao |
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