A kind of multifunctional medicinal bed for emergency department
Technical field
The present invention relates to field of medical device, specially a kind of multifunctional medicinal bed for emergency department.
Background technology
The height of the medical bed used at present in hospital is often changeless, therefore patient is when lying down in medical bed
The body of patient can only be made to raise by bolster when needing to lift body back, huckle or the calf of patient, however, pillow
The fixed effect of pad is poor, can not reuse for a long time, and hygienic issues can not ensure, be easy to cause wound infection, and right
When patient performs the operation or checks, since the transformation of patient's posture is easy so that bolster is fallen so that doctors and patients coordinate defective tightness,
Influence the rehabilitation of patient.
Chinese patent CN202776819U discloses a kind of lifting hospital bed, including bed body and bed surface, bed body and bed surface
It is connected, in the upper surface of bed surface there are one peripheral frame identical with bed surface size, is fastened with canvas face in peripheral frame, the quadrangle of peripheral frame has vertical
Directly to lower pillar stand, there is elevating mechanism between column and bed.However, first, although the lifting of bed may be implemented, it can not
The lifting for realizing the head of a bed, can not make the upper part of the body of patient tilt, and be not easy to patient's medication etc., inconvenient for use;It secondly, can not
Realize the movement of medical bed, it is mobile inconvenient, it has not been convenient to which that medical bed is moved to the position of needs;Finally, lifting is not disclosed
Whether device can be fixed bed surface after bed surface to be promoted to suitable height, only has elevating function, has a single function, and use
Stability is poor.
For another example Chinese patent CN202397731U discloses general surgical nursing bed comprising bed board, footpost, support plate, storage
Object cabinet, pillow of lying, supporting rod, instrument support plate and handrail composition, wherein bed board is connect with footpost, and support plate is connect with bed board, branch
Locker is provided on fagging, supporting rod is connect with bed board, and instrument support plate is connect by axis with supporting rod, is provided on bed board
It lies pillow and handrail, rises and retires when being nursed to patients of general surgery department easy to operate, it is time saving and energy saving, mitigate the work of medical worker
Difficulty.However, itself and can not adjust bed board height and cleaning angle, the use of different height patients, safety can not be adapted to
Difference, it is cumbersome, and patients of general surgery department lies on a bed when needing feed, can not tilt bed board, influences patient's feed, uses
Inconvenience cannot meet the needs that patients of general surgery department uses
Accordingly, it is desirable to provide a kind of new technical solution solves above-mentioned technical problem.
Invention content
In order to overcome the shortcomings of that prior art, the present invention provide a kind of multifunctional medicinal bed for emergency department, energy
The problem of effective solution background technology proposes.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of multifunctional medicinal bed for emergency department includes the Collapsible support for being supported bed, it is described can
The top braces of retractable support frame are connected with adjustable bed board, and the side of the adjustable bed board is equipped with auxiliary for carrying out first aid
The turnable secondary station helped;
The telescoping shoring column shares two both sides for being connected to adjustable bed board, and the telescoping shoring column includes most
Bottom is connected with the walking universal wheel for driving whole device to move, and the wheel shaft of the walking universal wheel is connected by shaft coupling
There is adjustable lifting frame, is connected with by hinge axis between the adjustable lifting frame and intersects oblique pull beam, the top of the adjustable lifting frame
Portion is plugged with load bearing cross beam, and the load bearing cross beam is connected to the bottom of adjustable bed board.
Adjustable bed board includes that the outside fixed bed beam for being mounted on outermost and the inside for being fixed on centre are adjustable bed
Plate, the inside is adjustable to be connected between bed board and outside fixed bed beam and is pushed away for adjusting the electronic of relative angle between the two
Bar;The head and the tail of the adjustable bed board in inside are mounted on the adjustable platform with shock-absorbing function, the adjustable platform it is upper
It is coated with sponge matress, the upper surface of the outside fixed bed beam is vertically installed with the turnable protection with defencive function
Column.
The turnable secondary station includes roll-over table for being accommodated in adjustable bed board right edge and for connecting overturning
The upper surface of the turnover hinge axis of platform and adjustable bed board, the roll-over table is vertically installed on the inside of bed board with liter
The infusion support of the whole function of falling tone, the outer side edges of roll-over table dig the disinfection holding tank for being useful for placing medical apparatus, the overturning
The lower surface of platform is equipped with power supply storage battery, and the output end of the power supply storage battery is connected with by conducting wire for electric socket board, described
The back side edge of roll-over table is embedded in for electric socket board, the power output end of the power supply storage battery is also associated with for adjustable bed
The singlechip control panel that plate is automatically adjusted.
Further, the adjustable lifting frame includes weight bearing foundation made of hollow stainless steel plate, the weight bearing foundation
There is rotary drive motor in upper surface, and connecting flange is socketed on the output shaft of the rotary drive motor, the connecting flange
The rotary sleeve axis for carrying out rotation and lifting is socketed at the top of the other end.
Further, the rotary sleeve axis includes the outer sleeve of upper and lower ends and the inner sleeve that is connected between outer sleeve,
The outer sleeve and inner sleeve junction are provided with mating rotation screw thread, and the outer sleeve at top is connected to the following table of load bearing cross beam
Face, and junction is equipped with hinges, and Fixed latches are also associated between the hinges and load bearing cross beam.
Further, the outside fixed bed beam is stainless steel square hollow steel pipe, and the inner surface of outside fixed bed beam is opened
It is carved with the movable rail for being mutually clamped with electric pushrod, the electric pushrod includes the push-and-pull driving electricity in the source that is used to provide power
Machine is connected with the spring push-rod with compression performance on the output shaft of the driving motor.
Further, the adjustable bed board in the inside includes two pieces of discrete stainless steel bedplate frames, the stainless steel bedplate frame
Seam crossing be connected with rotation horizontal axis, the side of the stainless steel bedplate frame is inlaid with motor mounting groove, the motor mounting groove
For driving motor to be fixedly mounted, it is also associated between the lower surface of two pieces of stainless steel bedplate frames with good tensile property
Adjustable spring.
Further, the adjustable platform includes the lifting driving motor for realizing height adjustment, and the lifting is driven
Balanced support plate is connected at the top of the lifting output shaft of dynamic motor, the balanced support plate forms for upper layer and lower layer stainless steel plate,
It is also equipped with damping spring between upper and lower plates layer.
Further, the singlechip control panel includes singlechip controller, the spi bus end of the singlechip controller
Mouth is connected with the signal processing module for carrying out signal acquisition, and the GPIO signal output ends of singlechip controller, which are connected with, to be used for
Drive the action executing module of each motor.
Further, the signal processing module includes the angular transducer being mounted on the adjustable bed board in inside and is mounted on
Push and pull driving motor, the speed probe in lifting driving motor output shaft, the angular transducer and speed probe it is defeated
Outlet is connected with the digital signal acquiring card for carrying out signal acquisition, the digital signal acquiring card output digit signals to list
The SPI input terminals of piece machine control panel.
Further, the action executing module includes for the synchronous reset switch of control circuit break-make and for carrying out
The power governor of electric machine operation state adjustment, the power governor are connected to the PWM wave output module of singlechip control panel,
The driving end that the synchronous reset switch is connected to push-and-pull driving motor, lifts driving motor, and power governor is answered with synchronous
Power amplifier is also associated between bit switch.
Compared with prior art, the beneficial effects of the invention are as follows:
(1) present invention installs turnover adjustable lifting frame, with rotation by the way that Telescopic support is arranged under load bearing cross beam
It is power source to turn driving motor, generates power and the outer sleeve of rotary sleeve axis and inner sleeve is driven to generate relative rotation, and then realize
To the adjust automatically of whole height, it is possible thereby to the height of the entire bed bed of adjust automatically, it can be easily by bed in emergency ward
Height adjust the equal height to sick bed or operating table, to keep patient posture it is constant in the state of realize move,
It to facilitate the secondary injury reduced during being moved to patient, while also effectively reducing and moving operation difficulty, save medical staff
Labour;
(2) bed board is adjusted by setting in the present invention, is arranged between the adjustable bed plate in inside and outside fixed bed beam electronic
Push rod drives spring push-rod to be moved forward and backward in movable rail, and then realize in two pieces to push and pull driving motor as driving source
The corner dimension that side is adjustable between bed board and rotation horizontal axis, automatic realize are laid flat and collapse behaviour to the automatic of the adjustable bed plate in inside
Make, it is quick and convenient;Protective fence may be reversed by being installed in the side of bed board, effectively prevent patient sending side when by movement
It turns over, and overturning storage can be carried out when not in use, effectively save space;
(3) present invention in stainless steel bedplate frame by installing adjustable platform, to lift driving motor as driving source,
The corner dimension for changing balanced support plate and horizontal direction, so that can be with the angle of automatic adjusting bed under non-horizontal environment
Degree, to ensure the supine position of severely injured patient, to ensure the validity rescued in time;It can be effective by the way that damping spring is arranged
Vibration during buffer height adjustment, will minimize the influence of patient, effective protection patient;
(4) present invention on secondary station may be reversed by installing singlechip control panel, using power supply storage battery as power supply,
With the angular transducer and the real-time acquisition operations of speed probe progress in signal processing module, carried out in conjunction with singlechip controller
It analyzes and determines, output control instruction to action executing module, the duty ratio by changing power governor is realized to output power
Adjustment, and then change motor speed, realize adjustment to current inclination size, form closed loop feedback regulating system, it is anti-interference
The strong control accuracy of ability is high.
Description of the drawings
Fig. 1 is the positive structure schematic of the present invention;
Fig. 2 is overlooking structure diagram of the present invention;
Fig. 3 is side structure schematic diagram of the present invention;
Fig. 4 is the structural schematic diagram of adjustable platform;
Fig. 5 is the structural schematic diagram that secondary station may be reversed;
Fig. 6 is the schematic diagram of singlechip control panel.
Figure label:
1- Telescopic supports;Bed board is adjusted in 2-;Secondary station may be reversed in 3-;
101- walking universal wheels;102- adjustable lifting framves;103- intersects oblique pull beam;104- load bearing cross beams;105- load-bearing bottom
Seat;106- rotary drive motors;107- connecting flanges;108- rotary sleeve axis;109- outer sleeves;110- inner sleeves;111- activities
Hinge;112- Fixed latches;
Fixed bed beam on the outside of 201-;Adjustable bed board on the inside of 202-;203- electric pushrods;204- adjustable platforms;The seas 205-
Continuous mattress;Protective fence may be reversed in 206-;207- movable rails;208- pushes and pulls driving motor;209- spring push-rods;210- stainless steels
Bedplate frame;211- rotates horizontal axis;212- motor mounting grooves;213- adjustable springs;214- lifts driving motor;215- balanced supports
Plate;216- damping springs;
301- roll-over tables;302- turnover hinge axis;303- infusion supports;304- sterilizes holding tank;305- power supply storage batteries;
306- is for electric socket board;307- singlechip control panels;308- singlechip controllers;309- signal processing modules;310- actions execute
Module;311- angular transducers;312- speed probes;313- digital signal acquiring cards;314- synchronous reset switchs;315- work(
Rate adjuster;316- power amplifiers.
Specific implementation mode
As shown in Figure 1, the present invention provides a kind of multifunctional medicinal beds for emergency department, including it is used to be supported bed
Collapsible support 1, the top braces of the Telescopic support 1 are connected with adjustable bed board 2, the adjustable bed board 2
Side the turnable secondary station 3 for carrying out first aid auxiliary is installed;The Telescopic support 1 is used to support adjustable bed
Plate 2, and the height of bed board can be automatically adjusted, the turnable secondary station 3 can assist first aid.
The telescoping shoring column 1 shares four, and two one group of both sides for being connected to adjustable bed board 2 are described to stretch
Contracting holder 1 is connected with the walking universal wheel 101 for driving whole device to move, the walking universal wheel 101 including bottommost
It can easily drive entire emergency cot to move, convenient for transporting patient, save first-aid personnel's muscle power, accelerate rescue speed.
As shown in figs. 1 and 3, the wheel shaft of the walking universal wheel 101 is connected with adjustable lifting frame 102, institute by shaft coupling
It states to be connected with by hinge axis between adjustable lifting frame 102 and intersects oblique pull beam 103, the top grafting of the adjustable lifting frame 102
There are load bearing cross beam 104, the load bearing cross beam 104 to be connected to the bottom of adjustable bed board 2;The intersection oblique pull beam 103 and load-bearing
Crossbeam 104 and adjustable lifting frame 102 form stable triangular frame structure, to improve stability and the load-bearing of emergency cot
Ability.
Preferably, the adjustable lifting frame 102 includes weight bearing foundation 105 made of hollow stainless steel plate, the load-bearing
There is rotary drive motor 106 in the upper surface of pedestal 105, and connecting flange is socketed on the output shaft of the rotary drive motor 106
107, the other end top of the connecting flange 107 is socketed with the rotary sleeve axis 108 for carrying out rotation and lifting;The rotary sleeve
The outer sleeve 109 of axis 108 including upper and lower ends and the inner sleeve 110 being connected between outer sleeve 109,109 He of the outer sleeve
110 junction of inner sleeve is provided with mating rotation screw thread, and the outer sleeve 109 at top is connected to the lower surface of load bearing cross beam 104.
It further remarks additionally, the outer sleeve 109 and the junction of load bearing cross beam 104 are equipped with hinges
111, Fixed latches 112 are also associated between the hinges 111 and load bearing cross beam 104, the hinges 111 are in activity
When unlocked, the outer sleeve 109 of bottom can around axis rotation, and then can easily by entire adjustable lifting frame 102 and
Stowing operation is realized in the lower surface that bottom structure put down or be folded to adjustable bed board 2, is needing to put down in use, will fix
Bolt 112 is plugged in the location hole on load bearing cross beam 104, so that it may to realize adjustable lifting frame 102 and adjustable bed board 104
It is relatively fixed, ensures the stability of emergency cot.
After adjustable lifting frame 102 is laid down, whole height can be adjusted according to actual conditions, such as some severes
When patient cannot significantly be moved, emergency cot is moved directly to beside operating bed, adjusts rotary drive motor 106, rotation
Turn the rotation of 106 output shaft of driving motor, is rotated by 107 synchronous drive rotary sleeve axis 108 of connecting flange, work as rotary drive motor
106 when rotating counterclockwise, and the output shaft of rotary drive motor 106 drives the outer sleeve 109 of rotary sleeve axis 108 to rotate counterclockwise,
Inner sleeve 110 is reversely rotated with respect to outer sleeve 109 at this time, is screwed out from outer sleeve 109 is interior, and then improve whole height, by first aid
Bed directly adjustment is reduced to the full extent to reduce the mobile range to patient to suffering from as the parallel state of operating bed
The damage of person.
As shown in Figure 1 and Figure 2, the adjustable bed board 2 includes the outside fixed bed beam 201 mounted on outermost and installation
Be fixed on the intermediate adjustable bed board 202 in inside, the inside is adjustable connected between bed board 202 and outside fixed bed beam 201 it is useful
In the electric pushrod 203 for adjusting relative angle between the two;The outside fixed bed beam 201 is stainless steel square hollow steel pipe,
The inner surface of outside fixed bed beam 201 digs the movable rail 207 for being useful for being clamped with 203 phase of electric pushrod, described electronic to push away
Bar 203 includes the push-and-pull driving motor 208 in the source that is used to provide power, and is connected on the output shaft of the push-and-pull driving motor 208
Spring push-rod 209 with compression performance.
It further illustrates, the adjustable bed board 202 in inside includes two pieces of discrete stainless steel bedplate frames 210, described
The seam crossing of stainless steel bedplate frame 210 is connected with rotation horizontal axis 211, and the side of the stainless steel bedplate frame 210 is inlaid with motor
Mounting groove 212, the motor mounting groove 212 for push-and-pull driving motor 208 to be fixedly mounted, two pieces of stainless steel bedplate frames 210
The adjustable spring 213 with good tensile property is also associated between lower surface.
Generally without using in the case of, entire adjustable bed board 2 is in the receiving state folded, is connected to stainless steel bed
The adjustable spring 213 of 210 lower surface of grillage is also at relaxed state, and when needing using bed, electric pushrod 203 is started to work:
Push-and-pull driving motor 208 first starts, and motor output shaft extrapolation drives spring push-rod 209 to be displaced outwardly, 209 edge of spring push-rod
It movable rail 207 to be displaced outwardly, and then stainless steel bedplate frame 210 is pulled open to both ends until flattening;When needing storage, push away
It draws driving motor 208 to recycle spring push-rod 209 toward medial center, just realizes stainless steel bedplate frame 210 around rotation horizontal axis 211
Inside shrinkage operation realizes that the automatic gathering to bed operates.
As shown in Figure 2, Figure 3 and Figure 4, the head and the tail of the adjustable bed board in the inside 202 be mounted on shock-absorbing function can
Platform 204 is adjusted, the upper surface of the adjustable platform 204 is enclosed with sponge matress 205, can by the way that sponge matress 205 is arranged
To prevent patient from generating secondary collision damage, the upper surface of the outside fixed bed beam 201 is vertically installed with defencive function
Turnable protective fence 206, the turnable protective fence 206 can rotate around outside fixed bed beam 201, can be turned over when needs
Turn protective fence 206 to roll up patient can be effectively prevent to fall during transport, also gives patient certain dependence and support, no
It needs to overturn, convenient for storage, saves memory space.
The case where due to different patients, is different, requires difference for the lying position of each patient, gives first aid to initial stage, carried
Over-tilting in journey can not only increase the pain of the sick and wounded, and also causing the sick and wounded, sb.'s illness took a turn for the worse, it is easy to give the sick and wounded
Cause secondary injury so that the efficiency of rescue is had a greatly reduced quality, especially for the sick and wounded of fracture, internal injury and internal haemorrhage, even
Its life security of entail dangers to.Therefore, when rescuing the critical sick and wounded, it is critically important to allow it to keep correct body gesture.For
The patient of fracture should keep a kind of position loosened to mitigate the compressing to bone;For the patient of cardiopulmonary arrest, Ying Ping
Crouch on hardwood plank bed, avoid neck trunk distort;In addition, the inclination of emergency cot may lead to intravenous tube when intravenous injection
In leak into air, bring life danger to the sick and wounded, it is therefore desirable to by adjustable platform 204 to sponge matress 205 according to reality
Border situation carries out inclination angle adjust automatically operation.
In the present embodiment, the adjustable platform 204 includes the lifting driving motor 214 for realizing height adjustment,
Balanced support plate 215 is connected at the top of the lifting output shaft of the lifting driving motor 214, the balanced support plate 215 is upper
Lower two layers of stainless steel plate forms, and damping spring 216 is also equipped between upper and lower plates layer.
As shown in Figure 2 and Figure 5, the turnable secondary station 3 includes the overturning for being accommodated in 2 right edge of adjustable bed board
Platform 301 is connected between the roll-over table 301 and adjustable bed board 2 by turnover hinge axis 302, the upper table of the roll-over table 301
Face is vertically installed with the infusion support 303 with lift adjustment function on the inside of bed board, and the outer side edges of roll-over table 301 are dug
It is useful for placing the disinfection holding tank 304 of medical apparatus;The roll-over table 301 passes through turnover hinge axis 302 and emergency cot main body
It is formed and connection may be reversed, thus roll-over table 301 can be conveniently realized and spun upside down, easily stored so as to realize
Operation, effectively saves occupied space, convenient for storage;The infusion support 303 can be used for carrying out hanging infusion bottle and be convenient for infusion, described
Disinfection holding tank 304 is used to store medical apparatus and can simply be sterilized, therefore can be using emergency cot as Simple hand
Art platform uses.
It further illustrates, the lower surface of the roll-over table 301 is equipped with power supply storage battery 305, the power supply electric power storage
The output end in pond 305 is connected with by conducting wire for electric socket board 306, the rear side that roll-over table 301 is embedded in for electric socket board 306
Side, the power output end of the power supply storage battery 305 are also associated with the microcontroller for being automatically adjusted to bed board 2 is adjusted
Control panel 307;It is described to be used to be powered to all motors for electric socket board 306, while powering to singlechip control panel 307,
It is described to be used to power to other electrical appliances for electric socket board 306, it is easy to use the use of some urgent rescue medical devices.
When needing to carry out angle adjustment, the lifting driving motor 214 of head and the tail is respectively started, when head and the tail lift driving motor
When 214 asynchronous action, inclination angle up and down is just will produce, and then change the inclination angle of the balanced support plate 215 at top, to meet difference
Inclination angle demand;When ensureing device absolute equilibrium, just realize that head and the tail lift the synchronization action of driving motor 214, different location
The startup of lifting driving motor 214 stop transferring internal electronic drive circuit by singlechip control panel 307 and control, realize
Closed loop feedback auto-control can realize accurate adjustment, ensure fully synchronized;Since lifting driving motor 214 is moving up and down
When will generate larger vibration, therefore add 216 slowing down vibration of damping spring, to ensure that emergency cot is steady, reduce to the wounded's
Damage.
As shown in fig. 6, the singlechip control panel 307 includes singlechip controller 308, the singlechip controller 308
Spi bus port be connected with the signal processing module 309 for carrying out signal acquisition, the GPIO letters of singlechip controller 308
Number output end is connected with the action executing module 310 for driving each motor;The singlechip controller 308 is for carrying out letter
Number acquisition and analysis, real-time acquisition operations are carried out by signal processing module 309 to the state of current emergency cot.
It should be added that controller is used using Cortex-M3 as the ARM chips of the model LM3S308 of kernel,
The advantage of Cortex-M3 is low-power consumption, low cost, high-performance;ARM passes through serial ports receiving sensor signal, each frame data
Using 1 start bit, 8 data bit, the transformat of 1 stop bits;On the one hand, since human body is unwise to low-angle inclination angle
On the other hand sense in order to reduce the disturbance at equalization point, avoids electric pushrod frequent repeated priming at equalization point, although passing
The angle measurement accuracy of sensor is 0.1 °, the threshold value at equalization point is set as ± 1 ° in programmed algorithm, when between emergency cot and horizontal plane
When angle is more than ± 1 °, controller sends out instruction control electric pushrod action to driver, and otherwise electric pushrod keeps original shape
State.
The signal processing module 309 includes the angular transducer 311 being mounted on the adjustable bed board in inside 202 and is mounted on
Push and pull driving motor 208, lifting 214 output shaft of driving motor on speed probe 312, the angular transducer 311 and turn
The output end of fast sensor 312 is connected with the digital signal acquiring card 313 for carrying out signal acquisition, the digital signal acquiring
Block 313 output digit signals to the SPI input terminals of singlechip control panel 307, the angular transducer 311 is worked as acquiring in real time
The angle value of preceding lifting driving motor 214 and balanced support plate 215, while current each electricity is acquired by speed probe 312
The rotating speed size of machine, collected value is by the progress signal acquisition of digital signal acquiring card 307 and after being converted into digital signal
It is sent to singlechip control panel 307, the singlechip control panel 307 will compare current inclination value with actual setpoint
Compared with if being unsatisfactory for setting value, by the progress motor adjustment of starting operation execution module 310.
The action executing module 310 includes for the synchronous reset switch 314 of control circuit break-make and for carrying out electricity
The power governor 315 of machine working condition adjustment, the PWM wave that the power governor 315 is connected to singlechip control panel 307 are defeated
Go out module, the driving end that the synchronous reset switch 314 is connected to push-and-pull driving motor 208, lifts driving motor 214, and work(
Power amplifier 316 is also associated between rate adjuster 315 and synchronous reset switch 314, the power governor 315 is by monolithic
Machine control panel 307 exports PWM wave signal and is driven, by adjusting the duty ratio of PWM wave signal to adjust power governor 315
Output current size, operation is then amplified by power amplifier 316, it is described same to control the working condition of motor
Step reset switch 314 can easily be adjusted the on off state of different motors, form closed loop feedback Regulation mechanism.
Such as when needing to realize lifting 214 synchronization action of driving motor of quadrangle, synchronous reset switch 314 exports first
Reset signal, controls each lifting driving motor 214 and restores to the original position of minimum limit, and then starting four simultaneously again rises
Driving motor 214 is dropped, and identical by the control rotating speed of power governor 315, realizes synchronization action and synchronous start and stop, with
Realize the fully synchronized balance quality for ensureing top mechanism.
It should be added that using closed loop feedback control principle, it is based on the principle of " detection error, correction of deviation ",
By Control System Design at closed-loop feedback control system, compared with open-loop control system, although closed-loop control system structure is opposite
Complexity, but its strong antijamming capability can use precision not high element and device in the case where inputting stated accuracy unanimous circumstances
Form the control system of degree of precision.