CN107440866A - A kind of intelligent hydraulic adjusts care bed - Google Patents
A kind of intelligent hydraulic adjusts care bed Download PDFInfo
- Publication number
- CN107440866A CN107440866A CN201710738874.0A CN201710738874A CN107440866A CN 107440866 A CN107440866 A CN 107440866A CN 201710738874 A CN201710738874 A CN 201710738874A CN 107440866 A CN107440866 A CN 107440866A
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- CN
- China
- Prior art keywords
- valve
- bedstead
- care bed
- beam hanger
- oil
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
- A61G7/015—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame divided into different adjustable sections, e.g. for Gatch position
-
- 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
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
- A61G7/018—Control or drive mechanisms
-
- 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
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- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Invalid Beds And Related Equipment (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention discloses a kind of intelligent hydraulic to adjust care bed, mainly solves operating cost power present in prior art, and service life is short, the problems such as can not meeting the requirement adjusted whenever and wherever possible.The device includes bedstead, it is arranged on four supporting legs of bedstead bottom, the bodyboard being arranged on bedstead, it is arranged on bedstead, two handrails for ballistic support, the pedal being arranged between the supporting leg of bedstead rear portion two, is arranged on the wind at bedstead rear portion, it is arranged on bedstead bottom, connects the fixed plate of four supporting legs, the battery being arranged on pedal, bedstead rear portion controller is arranged on, and is arranged on bedstead bottom, the hydraulic regulating device adjusted for care bed head and lateral location.By such scheme, the present invention is simple in construction, simple operation, regulation is steady, service life is long, the advantages that adjusting whenever and wherever possible, has very high practical value and promotional value in medical instruments field.
Description
Technical field
The present invention relates to medical instruments field, especially a kind of intelligent hydraulic regulation care bed.
Background technology
Care bed is the sick bed that action inconvenient patient uses when being in hospital or nursing at home, and main purpose is easy for protecting
Reason personnel are looked after, and are easy to patients ' recovery.With a variety of demand of continuous development and market of science and technology, care bed is generally divided into
Electric care bed and Manual care bed.By the constantly improve of the regulation to care bed, and function, convenient shield can not only be realized
Reason, moreover it is possible to which the functions such as a variety of nursing amusements are provided.
At present, the Manual care bed of market only enters wardrobe in operation by the operation handle being arranged under care bed bed
Portion position lifts, and its operation is more laborious, moreover, operating mechanism service life is short.For electric care bed, its is simple to operate,
Head position lifting can be achieved with using button, still, for needing the care bed moved often, can not but find whenever and wherever possible
Power supply, the problem of inconvenient for use is caused in non-transformer.
To sum up, it is necessary to which to design a kind of service life long, easy to operate, i.e. adjustable intellectual nursing bed whenever and wherever possible.
The content of the invention
It is an object of the invention to provide a kind of intelligent hydraulic to adjust care bed, mainly solves to grasp present in prior art
Make laborious, service life is short, the problems such as can not meeting the requirement adjusted whenever and wherever possible.
To achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of intelligent hydraulic adjusts care bed, including bedstead, is arranged on four supporting legs of bedstead bottom, is arranged on bedstead
And in matrix pattern shape bodyboard, be arranged on bedstead, two handrails for ballistic support, be arranged on the supporting leg of bedstead rear portion two it
Between pedal, be arranged on the wind at bedstead rear portion, be arranged on bedstead bottom, connect the fixed plate of four supporting legs, be arranged on and step on
Battery on plate, bedstead rear portion controller is arranged on, and is arranged on bedstead bottom, for care bed head and lateral location
The hydraulic regulating device of adjustment.
Specifically, hydraulic regulating device includes being arranged on pedal and the oil groove of built-in hydraulic oil, is arranged in oil groove, uses
In the liquid level sensor of level sensing, the oil pump being arranged at the top of oil groove, fuel pump outlet is arranged on, for preventing with pressure
The non-return valve of hydraulic oil backflow, the outlet valve being connected with non-return valve, is connected with outlet valve and is arranged on the combination valve at the top of oil groove,
It is connected with combination valve, is arranged on fixed front edge of board and for the first beam hanger of care bed head position adjustment, is connected with combination valve
Connect, be arranged in fixed plate, for care bed side locations adjustment the second beam hanger, and respectively with combination valve, the first beam hanger
The pipeline connected with the second beam hanger.Wherein, controller is connected with liquid level sensor, combination valve and oil pump respectively.
Further, combination valve is connected and exported the dibit four-way electromagnetic commutation being connected with oil groove including import with outlet valve
Valve, and be connected respectively with dibit four-way electromagnetic reversing valve, for control the first beam hanger and the second beam hanger respectively the one or three
Solenoid directional control valve in solenoid directional control valve and the two or three six logical runback in six logical runbacks.
Preferably, controller includes the DSP Processor of Digital Signal Processing, the A/D conversions being connected respectively with DSP Processor
Device, input button, communication module, the first drive circuit and the second drive circuit, and first be connected respectively with A/D converter
Limit sensors and the second limit sensors, wherein, A/D converter is connected with liquid level sensor, the first drive circuit and oil pump
Connection, the second drive circuit respectively with solenoid directional control valve and second in dibit four-way electromagnetic reversing valve, the one or three six logical runbacks
Solenoid directional control valve connects in three six logical runbacks, wherein, the first limit sensors and the second limit sensors are separately positioned on the
On one beam hanger and the second beam hanger.
Preferably, oil pump uses DC motor Driver.
Further, the first beam hanger and the second beam hanger include lower oil gun A and upper oil gun B.
Further, solenoid directional control valve and the two or three six in dibit four-way electromagnetic reversing valve, the one or three six logical runbacks
Solenoid directional control valve is driven using 4-20mA electric currents in logical runback.
Compared with prior art, the invention has the advantages that：
(1) present invention adjusts first beam hanger and the second beam hanger on care bed head and sidepiece by being set in fixed plate,
Because the compression volume of hydraulic oil is smaller, it is in course of adjustment more steady, the problems such as preventing mechanical structure bite.The device leads to
The mode that direct current oil pump is suppressed is crossed, its operation is more convenient, and its hydraulic pressure support power is bigger, ensures the support stress of care bed.Not only
In this way, compared with machine driving regulative mode, more steady using hydraulic regulation, service life is longer.
(2) present invention is reasonably provided with non-return valve in the outlet of oil pump, during regulation, can effectively prevent from suppressing back
The problem of stream, the hydraulic oil with pressure is smoothly entered in beam hanger, moreover, in pump start, pressure and not will be carried
Hydraulic oil part isolation with pressure, reaches oil pump no-load starting, reduces energy loss.
(3) moreover, the ingenious setting combination valve of the present invention, switched by the direction of hydraulic oil, realize the lifting of beam hanger,
I.e. the cooperation of solenoid directional control valve is used for the liter for controlling the first beam hanger in dibit four-way electromagnetic reversing valve and the one or three six logical runback
The cooperation of solenoid directional control valve is used for the liter for controlling the second beam hanger in drop, dibit four-way electromagnetic reversing valve and the two or three six logical runback
Drop.Wherein, solenoid directional control valve is in runback in solenoid directional control valve and the two or three six logical runback in the one or three six logical runback
Type, consequently, it is possible in shut-down operation, ensure that hydraulic oil blocks, prevent nursing bed mattress from declining automatically.
(4) present invention is using electromagnetism in 4-20mA electric currents driving dibit four-way electromagnetic reversing valve, the one or three six logical runbacks
Solenoid directional control valve in reversal valve and the two or three six logical runback, realizes care bed head and side locations adjustment, its control mode
Simply, descending operation only can be achieved by inputting button, moreover, hydraulic regulation precision is higher, in lifting process, is not present
Jam or jitter phenomenon, make operating process more steady.
(5) present invention is dexterously provided with the first limit sensors and the second limit sensors, is detected in place for raising,
Prevent beam hanger from continuing to rise damage hydraulic regulating device in place afterwards, there is provided hydraulic safe protects, and makes lifting process more reliable.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the side schematic view of the present invention.
Fig. 3 is the hydraulic circuit schematic diagram of the present invention.
Fig. 4 is combination valve structure principle chart.
Fig. 5 is controller principle block diagram.
In above-mentioned accompanying drawing, component names are as follows corresponding to reference：
1- bedsteads, 2- fixed plates, 3- supporting legs, 4- bodyboards, 5- pedals, 6- handrails, 7- winds, 8- oil grooves, 9- batteries,
10- controllers, 11- oil pumps, 12- combination valves, 13- pipelines, the beam hangers of 14- first, the beam hangers of 15- second, 16- non-return valves, 17- outlets
Valve, 18- liquid level sensors, 19- dibit four-way electromagnetic reversing valves, solenoid directional control valve in the logical runback of 20- the one or three six, 21- the
Solenoid directional control valve in two or three six logical runbacks.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include but is not limited to
The following example.
Embodiment
As shown in Figures 1 to 5, a kind of intelligent hydraulic adjusts care bed, including bedstead 1, is arranged on four of bedstead bottom
Supporting leg 3, it is arranged on bedstead 1 and in the bodyboard 4 of matrix pattern shape, is arranged on bedstead 1, two handrails 6 for ballistic support,
The pedal 5 being arranged between the supporting leg 3 of 1 rear portion of bedstead two, the wind 7 at the rear portion of bedstead 1 is arranged on, is arranged on the bottom of bedstead 1, connects
The fixed plate 2 of four supporting legs 3 is connect, the battery 9 being arranged on pedal 5, is arranged on the rear portion controller 10 of bedstead 1, and set
In the bottom of bedstead 1, the hydraulic regulating device adjusted for care bed head and lateral location.
The hydraulic regulating device of the care bed includes being arranged on pedal 5 and the oil groove 8 of built-in hydraulic oil, is arranged on oil groove
8 is interior, the liquid level sensor 18 for level sensing, is arranged on the oil pump 11 at the top of oil groove 8, is arranged on oil pump 11 and exports, be used for
Prevent with pressure hydraulic oil flow back non-return valve 16, the outlet valve 17 being connected with non-return valve 16, be connected with outlet valve 17 and
The combination valve 12 at the top of oil groove 8 is arranged on, is connected with combination valve 12, is arranged on the front end of fixed plate 2 and be used for care bed head
First beam hanger 14 of position adjustment, it is connected, is arranged in fixed plate 2 with combination valve 12, for the adjustment of care bed side locations
Second beam hanger 15, and the pipeline 13 being connected respectively with combination valve 12, the first beam hanger 14 and the second beam hanger 15, wherein, controller
10 are connected with liquid level sensor 18, combination valve 12 and oil pump 11 respectively.Oil pump 11 uses DC motor Driver.
The combination valve 12 is connected and exported the dibit four-way electromagnetic reversing valve being connected with oil groove 8 including import with outlet valve 17
19, and be connected respectively with dibit four-way electromagnetic reversing valve 19, for controlling the beam hanger 15 of the first beam hanger 14 and second respectively
The one or three six logical runback in solenoid directional control valve 21 in solenoid directional control valve 20 and the two or three six logical runback.The He of first beam hanger 14
Second beam hanger 15 includes lower oil gun A and upper oil gun B.
The controller 10 of the care bed includes the DSP Processor of Digital Signal Processing, the A/ being connected respectively with DSP Processor
D converters, input button, communication module, the first drive circuit and the second drive circuit, and be connected respectively with A/D converter
The first limit sensors and the second limit sensors, wherein, A/D converter is connected with liquid level sensor 18, first driving electricity
Road is connected with oil pump 11, the second drive circuit respectively with electromagnetism in the logical runbacks of dibit four-way electromagnetic reversing valve 19, the 1st six
Solenoid directional control valve 21 connects in reversal valve 20 and the two or three six logical runback, wherein, the first limit sensors and the second spacing biography
Sensor is separately positioned on the first beam hanger 14 and the second beam hanger 15.
Solenoid directional control valve 20 and the 2nd 3 in the logical runback of dibit four-way electromagnetic reversing valve 19, the 1st six of the combination valve
Solenoid directional control valve 21 is driven using 4-20mA electric currents in the logical runback in position six.
Only briefly explained below by taking the lifting of the first beam hanger 14 as an example, the action process of the second beam hanger 15 only passes through dibit four
The switching of electric change valve 19 can be achieved, and other process all sames, repeat no more below.
The raising process of first beam hanger 14：
First, outlet valve 17 has turned on, and liquid level is normal in the detection oil groove 8 of controller 10, avoids hydraulic oil from revealing rear pump or output pump
Idle running.
Then, controller 10 controls the valve element of solenoid directional control valve 20 in the one or three six logical runback to be moved to the left, system first
The a1 of solenoid directional control valve 20 connects with c1, b1 with d1 in three six logical runbacks.Now, a of dibit four-way electromagnetic reversing valve 19 with
C, b connects with d.
Then, oil pump 11 starts, and proceeds by hydraulic oil and suppresses, and hydraulic oil enters non-return valve 16 by oil pump 11, then passes through
The a that outlet valve 17 enters dibit four-way electromagnetic reversing valve 19 is crossed, c and the 1st six of dibit four-way electromagnetic reversing valve 19 is led to certainly
The a1 connections of solenoid directional control valve 20 in multiple, the c1 through solenoid directional control valve 20 in the one or three six logical runback enter the first beam hanger 14
In lower oil gun A, the hydraulic oil with pressure pushes up the first beam hanger 14.
Finally, the upper oil gun B of the first beam hanger 14 successively by solenoid directional control valve 20 in the one or three six logical runback d1 and
B1, the d and b of dibit four-way electromagnetic reversing valve 19 are back in oil groove 8.Rising after lift operations terminate, oil pump 11 is out of service, and first
Ensure that maintenance with pressure is stable in cut-off in the runback of solenoid directional control valve 20 in three six logical runbacks.
First beam hanger 14 declines process：
First, a of dibit four-way electromagnetic reversing valve 19 connects with c, b with d, solenoid directional control valve in the one or three six logical runback
20 valve elements move right, and e1 connects with h1, f1 with g1.
Then, hydraulic oil passes through oil pump 11 successively, non-return valve 16, outlet valve 17, a of dibit four-way electromagnetic reversing valve 19 and
C, the one or three six f1 and g1 for leading to solenoid directional control valve 20 in runback, into the upper oil gun B of the first beam hanger 14, the liquid with pressure
Force feed is pressed downward.
Finally, the A of the oil gun up and down oil returns of the first beam hanger 14 are successively by solenoid directional control valve 20 in the one or three six logical runback
E1 and h1, the d and f of dibit four-way electromagnetic reversing valve 19, into oil groove 8, complete the first beam hanger 14 decline.
The characteristics of present invention dexterously compresses small volume using hydraulic oil, and driving force is strong, changes with reference to dibit four-way electromagnetic
Into valve, the one or three six logical runbacks, the commutation of solenoid directional control valve acts in solenoid directional control valve, the two or three six logical runbacks, changes
The flow direction of hydraulic oil, so as to realize the steady lifting of beam hanger, moreover, by setting battery, suppressed using direct current generator
Mode, you can satisfaction be adjusted whenever and wherever possible.The simple in construction, simple operation of the present invention, regulation is steady, service life is long,
The advantages that adjusting whenever and wherever possible, compared with prior art, hence it is evident that there are prominent substantive distinguishing features and significant progress, in medical treatment
Instrument field has very high practical value and promotional value.
Above-described embodiment is only the preferred embodiments of the present invention, not limiting the scope of the invention, as long as using
The design principle of the present invention, and the change for carrying out non-creativeness work on this basis and making, all should belong to the present invention's
Within protection domain.
Claims (8)
1. a kind of intelligent hydraulic adjusts care bed, including bedstead (1), four supporting legs (3) of bedstead bottom are arranged on, are arranged on bed
Bodyboard (4) on frame (1), it is arranged on bedstead (1), two handrails (6) for ballistic support, is arranged on bedstead (1) rear portion
Pedal (5) between two supporting legs (3), it is arranged on the wind (7) at bedstead (1) rear portion, it is characterised in that also include being arranged on bed
Frame (1) bottom, the fixed plate (2) for connecting four supporting legs (3), the battery (9) being arranged on pedal (5), are arranged on bedstead (1)
Rear portion controller (10), and it is arranged on bedstead (1) bottom, the hydraulic regulation dress adjusted for care bed head and lateral location
Put.
2. intelligent hydraulic according to claim 1 adjusts care bed, it is characterised in that the bodyboard (4) uses matrix pattern
Shape structure.
3. intelligent hydraulic according to claim 1 adjusts care bed, it is characterised in that the hydraulic regulating device includes setting
Put on pedal (5) and the oil groove (8) of built-in hydraulic oil, be arranged in oil groove (8), the liquid level sensor for level sensing
(18) oil pump (11), being arranged at the top of oil groove (8), it is arranged on oil pump (11) outlet, for preventing the hydraulic oil with pressure
The non-return valve (16) of backflow, the outlet valve (17) being connected with non-return valve (16), it is connected with outlet valve (17) and is arranged on oil groove (8)
The combination valve (12) at top, it is connected with combination valve (12), is arranged on fixed plate (2) front end and adjusted for care bed head position
Whole the first beam hanger (14), it is connected, is arranged in fixed plate (2) with combination valve (12), for the adjustment of care bed side locations
Second beam hanger (15), and the pipeline (13) being connected respectively with combination valve (12), the first beam hanger (14) and the second beam hanger (15)；Institute
Controller (10) is stated to be connected with liquid level sensor (18), combination valve (12) and oil pump (11) respectively.
4. intelligent hydraulic according to claim 3 adjusts care bed, it is characterised in that the combination valve (12) includes import
Be connected and export the dibit four-way electromagnetic reversing valve (19) being connected with oil groove (8) with outlet valve (17), and respectively with dibit four
Electric change valve (19) connects, for controlling the one or three six of first beam hanger (14) and the second beam hanger (15) to lead to respectively
Solenoid directional control valve (21) in the logical runback of solenoid directional control valve (20) and the two or three six in runback.
5. intelligent hydraulic according to claim 4 adjusts care bed, it is characterised in that the controller (10) includes numeral
The DSP Processor of signal transacting, the A/D converter being connected respectively with DSP Processor, input button, communication module, the first driving
Circuit and the second drive circuit, and the first limit sensors and the second limit sensors being connected respectively with A/D converter, its
In, A/D converter is connected with liquid level sensor (18), and the first drive circuit is connected with oil pump (11), the second drive circuit difference
Lead to solenoid directional control valve (20) in dibit four-way electromagnetic reversing valve (19), the one or three six logical runbacks and the two or three six in runback
Solenoid directional control valve (21) connects, wherein, the first limit sensors and the second limit sensors are separately positioned on the first beam hanger (14)
On the second beam hanger (15).
6. intelligent hydraulic according to claim 3 adjusts care bed, it is characterised in that the oil pump (11) uses direct current
Machine drives.
7. intelligent hydraulic according to claim 4 adjusts care bed, it is characterised in that first beam hanger (14) and second
Beam hanger (15) includes lower oil gun A and upper oil gun B.
8. Intelligent nursing bed controller according to claim 4, it is characterised in that the dibit four-way electromagnetic reversing valve
(19), solenoid directional control valve (20) and the two or three six are led to solenoid directional control valve (21) in runback and used in the one or three six logical runback
4-20mA electric currents drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710738874.0A CN107440866A (en) | 2017-08-25 | 2017-08-25 | A kind of intelligent hydraulic adjusts care bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710738874.0A CN107440866A (en) | 2017-08-25 | 2017-08-25 | A kind of intelligent hydraulic adjusts care bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107440866A true CN107440866A (en) | 2017-12-08 |
Family
ID=60493735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710738874.0A Pending CN107440866A (en) | 2017-08-25 | 2017-08-25 | A kind of intelligent hydraulic adjusts care bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107440866A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109394448A (en) * | 2018-10-12 | 2019-03-01 | 田浩坤 | A kind of regulating system of multi-angle |
| CN113503276A (en) * | 2020-09-23 | 2021-10-15 | 南京迈瑞生物医疗电子有限公司 | Hydraulic control system of medical bed, medical bed and control method |
-
2017
- 2017-08-25 CN CN201710738874.0A patent/CN107440866A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109394448A (en) * | 2018-10-12 | 2019-03-01 | 田浩坤 | A kind of regulating system of multi-angle |
| CN113503276A (en) * | 2020-09-23 | 2021-10-15 | 南京迈瑞生物医疗电子有限公司 | Hydraulic control system of medical bed, medical bed and control method |
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