CN202397872U - Electric dialysis chair bed with digital weighing function - Google Patents

Abstract

The utility model discloses an electric dialysis chair bed with a digital weighing function. The electric dialysis chair bed comprises a lifting electric push rod, a leg-lifting electric push rod, a back-lifting electric push rod, a wheel frame, a lower frame, a synchronous frame, a lifting frame, an upper frame, a back frame, a seat frame, a leg frame, a guardrail and a central control brake roller wheel. The dialysis chair bed is provided with an automatic weighing system, wherein the automatic weighing system consists of a mass sensor, a weighing control display and a weighing module which are connected mutually through data lines; and the mass sensor is placed at the junction of the wheel frame and the lower frame. The automatic weighing system is added on the basis of the conventional dialysis chair bed, so the electric dialysis chair bed with the digital weighing function can measure the flow quantity of body fluid and the nutrition drainage quantity accurately, can perform real-time monitoring through a LCD digital display screen, can conveniently realize transition from the chair to the bed or from the bed to the chair, and can meet the functional requirements of clinical sitting and lying and lifting.

Description

The electronic dialysis chair of numeral weighing bed

Technical field

This utility model relates to be supplied with the carrying of dialysis ward or transports invalid care appliances, the electronic dialysis chair of especially a kind of digital weighing bed.

Background technology

At present, some countries are to the dialyse medical nursing equipment of usefulness of patient in the world, and what have progressively changes bed into by chair, and what have is then changed to chair by bed, and dialysis chair bed will be played the part of an important transition role.Yet the no mostly Weighing system in commercially available prod needs to rely on nurse's notes and doctor to check body fluid flow and the nutriture of grasping patient, complex steps, and also the metering precision can not satisfy clinical requirement fully.Dialysis chair bed still is in the stage early stage of development at home, be fit to domestic large-scale promotion and be fit to Middle East country simultaneously, yet the imported product price is very high.

The utility model content

The technical problem that this utility model will solve provides the electronic dialysis chair of the digital weighing bed of a kind of precisely metered body flow quantity and nutrition drainage flow.

Adopt following technical scheme for solving the problems of the technologies described above this utility model: the electronic dialysis chair of digital weighing bed; Comprise the up-down electric pushrod, lift the lower limb electric pushrod, lift the back of the body electric pushrod, wheel carrier, undercarriage, synchronously frame, crane, put, carry on the back frame, mounting, lower limb frame, guardrail, middle control brake roller on the shelf; This dialysis chair bed accessory is equipped with automatic weighing system; Automatic weighing system is by forming through the interconnective mass sensor of data wire, Weighting and Controlling display and Weighing module, and mass sensor places the junction between wheel carrier and the undercarriage.

The upper and lower surface of mass sensor is connected with undercarriage with wheel carrier respectively, and 4 mass sensors are placed horizontally at respectively on the quality weighing piece fixing head of wheel carrier both sides, and the last stationary plane of every mass sensor is connected with undercarriage both sides quality weighing piece fixing head respectively.

Up-down electric pushrod, undercarriage, synchronous frame and crane are formed the oscilaltion regulating system; Lift lower limb electric pushrod, lower limb frame and put composition shank angular adjustment system on the shelf; Lift back of the body electric pushrod, back of the body frame and put on the shelf to form and lift back of the body regulating system; Guardrail is fixed on the both sides of putting on the shelf.

This dialysis chair bed also has end I, end II, end III and the left and right sides protective case of being processed by ABS plastic.

This utility model has increased automatic weighing system on the basis of existing dialysis chair bed; Precisely metered body flow quantity and nutrition drainage flow; And can monitor in real time through the LCD digital display screen; This dialysis chair bed can realize easily from chair excessively to bed or from bed excessively to chair, satisfy the functional requirement of clinical seat, prone position gesture and oscilaltion.

Description of drawings

Fig. 1 is the structural representation of the electronic dialysis chair of this utility model numeral weighing bed.

Among the figure: 1 wheel carrier, 2 undercarriages, 3 synchronous framves, 4 cranes, 5 put on the shelf, 6 back of the body framves; 7 mountings, 8 lower limb framves, 9 guardrails, 10 up-down electric pushrods, 11 lift the lower limb electric pushrod, and 12 lift back of the body electric pushrod; 13 end I, 14 end II, 15 end III, 16 left and right sides protective cases, control brake roller in 17,18 mass sensors.

The specific embodiment

As shown in Figure 1; The electronic dialysis chair of this utility model numeral weighing bed; Comprise up-down electric pushrod 10, lift lower limb electric pushrod 11, lift the back of the body electric pushrod 12, wheel carrier 1, undercarriage 2, synchronously frame 3, crane 4, put 5 on the shelf, back of the body frame 6, mounting 7, lower limb frame 8, guardrail 9, middle control brake roller 17; This dialysis chair bed accessory is equipped with automatic weighing system; Automatic weighing system is by forming through the interconnective mass sensor of data wire 18, Weighting and Controlling display (not shown) and Weighing module; The upper and lower surface of mass sensor 18 is connected with undercarriage 2 with wheel carrier 1 respectively, and 4 mass sensors 18 are placed horizontally at respectively on the wheel carrier 1 both sides quality weighing piece fixing head, and the last stationary plane of every mass sensor 18 is connected with undercarriage 2 both sides quality weighing piece fixing heads respectively.Up-down electric pushrod 10, undercarriage 2, synchronous frame 3 and crane 4 are formed the oscilaltion regulating systems; Lift lower limb electric pushrod 11, lower limb frame 8 and put 5 composition shank angular adjustment systems on the shelf; Lift back of the body electric pushrod 12, back of the body frame 6 and put on the shelf and 5 form and to lift back of the body regulating system; Guardrail 9 is fixed on 5 both sides of putting on the shelf.

This dialysis chair bed also has end I 13, end II 14, end III 15 and the left and right sides protective case of being processed by ABS plastic 16, is used for external form and decorates and waterproof.

Design principle

1, function executing mechanism design

Can lock at an arbitrary position in order to satisfy safety and clinical; Satisfy noiselessness (near quiet), big stroke, high thrust (thrust requires greater than 4000N) simultaneously; Therefore select for use " straight line spiral " mechanism's motor as power source; It is converted into rectilinear motion with screw, for oscilaltion, lift the back of the body, lift lower limb driving moment is provided.

2, weighing, Control System Design

A, major function:

(1) date time showing and setting, instrument built-in lithium battery (7.4V, 4AH), power down protection, but continuous operation 40 hours (backlight closing);

(2) support the LED giant-screen, models such as holder benefit, autumn hair, credit China;

(3) support miniature impact printer (serial ports), minitype thermal printer (serial ports);

(4) can connect 10 350 Ω analog sensors at most;

(5) stored record can reach 500;

(6) the instrument sample frequency can be selected;

(7) digital filtering can be provided with anti-shake intensity;

(8) digitized calibration and demarcation;

(9) linear adjusting point is optional 4 to 8;

(10) basic function of weighing: empty scale, Auto Power On zero setting, automatic zero point tracking, state-detection etc.

B, the key technical indexes:

(1) the maximum outer number of divisions that shows is: 100000;

(2) highest measurement resolution: 20000/mV, precision: 20000/mV;

(3) transducer excitation voltage: 5V DC;

(4) load capacity: the electric current that analog interface provides is 200mA to the maximum;

(5) analogue signal input range :-30mV-+30mV;

(6) non-linear: ± 0.001%FS;

(7) sample frequency: 100Hz, 50Hz, 25Hz, 12.5Hz, 6.25Hz;

(8) zero point following range: forbid ,+/-0.5d ,+/-1d ,+/-2d ,+/-3d;

(9) zero point following rate: 0.5d/2s, 0.5d/s, 1.0d/s, 1.5d/2s, 2.0d/s, 3.0d/s, 4.0d/s, 6.0d/s;

(10) manual zero clearing scope: forbid ,+/-4%Max ,+/-50%Max;

(11) start zero setting scope: forbid ,+/-2%Max ,+/-10%Max ,+/-20%Max;

(12) static detection scope: forbid ,+/-0.05d ,+/-0.1d ,+/-0.25d ,+/-0.5d ,+/-1.0d ,+/-2.0d ,+/-4.0d;

(13) static detection time: 0.1s-9.9s;

(14) instrumentation voltage: 9VDC, 450mA;

(15) instrument serviceability temperature :-20 ℃-60 ℃, relative humidity: 10%-85% ℃;

(16) instrument storing temperature :-40 ℃-80 ℃, relative humidity: 10%-85% ℃;

C, hardware components:

(1) MCU selects ATMEL product 89C52 series, technical grade for use;

(2) XS-9100 high accuracy mass sensitivity module;

(3) need use 11 of 13 of input ports and delivery outlets the most for a long time;

(4) MCU power supply, interface power supply and driving power are independent separately;

(5) ground wire " floating empty ".

D, software section:

(1) C language module programming;

(2) improve capacity of resisting disturbance with measures such as " software redundancy, software trap and software fault-tolerants ".

Material that major part is used and structure

A, framework stock

< 1>50*30*2/30*20*1.5 rectangular steel pipe;

< 2>ф 32*3/ ф 25*2/ ф 20*5 pipe reaches;

< 3>thickness is 3mm, 4mm, 5mm, 6mm iron plate.

A, essential structure

< 1>according to the back of the body, lower limb angular adjustment and lifting structure functional requirement, realize by back of the body frame, mounting, the dynamo-electric moving push rod of lower limb frame, go up and down and realize by crane and electric pushrod;

< 2>according to clinical and safety requirements, both sides are provided with guardrail;

< 3 >, load onto ABS material shell in corresponding position according to outward appearance and waterproof requirement.

C, seat

< 1>the soft sponge of fine water proof fire retardant PU and high density.

D, micro computer drive and control system

< 1>MCU mainboard and button panel are independent separately;

< 2>I/O channel is isolated with photo-coupler and MCU;

< 3>DC relay JQX-13F is used in driving;

< 4>adopt the complete drive system that meets " medical electrical equipment safety requirements ".

For realizing personalized dialysis chair bed weighing, digitized electronic weighing system is disposed to this device, control by the program of personalization.

Major function and characteristics

1, high accuracy Weighing system

Small and exquisite accurate, simple to operation, feature richness of the display controller of Weighing system etc., built-in lithium battery.System can connect maximum 10 way word pick offs or Hirs numeral rosette.Resolution is up to 200000/mv, and the number of divisions can reach 150000, can prevent+/-the 4000V electric shock.

System basic functions comprises: full Chinese or civilian display interface all over Britain, Chinese pinyin input, 500 memory data output; Use self-defined layout, support the LED large-size screen monitors to show, data are checked quickly and are gathered; The angular difference adjustment, linear correction, zero point and state-detection setting; User staged managing, system maintenance etc., optional function comprises: USB flash disk storage data, USB mouse are connected with keyboard, Ethernet etc.Different user can be according to the practical situation configuration different functions of oneself.

Use the various shortcuts on the keyboard, the user can operate weighing data very easily.The input of quick checking function and Chinese pinyin can make the user convenient, import various information fast.The user adopts the administration by different levels system, and the user of different brackets has different rights of using, guarantees safety of data.

2, can realize that the chair bed exchanges

The horizontal two folding designs of chair bed, the plane is tied and can be become bed, lifts the back of the body, lifts lower limb and can operate respectively separately or synchronous operation, can satisfy to lie at any angle, sit, sleep and shank bends and stretches and raise requirement.

3, basic parameter

The basic parameter of Weighing system and chair bed structure:

A, projected life: 10 years;

B, line of motion speed:＜20mm/s;

C, backboard angular range: 0 °-75 °;

Roll on D, the seat: 0-22 ° ± 5 °;

E, lower limb plate be folding down :-45 °-22 ° ± 5 °;

F, seat rise valency scope: 0-320;

G, power supply: AC220V 50Hz is transformed to DC24V 5A;

H, power consumption:＜0.12KWh/ days, promptly every day, power consumption was less than 0.12 degree;

I, overall dimensions: long 2030 ± 10mm; Wide 700 ± 10mm (containing handrail); Minimum altitude 570 ± 10mm.

Claims (4)

1. the electronic dialysis chair of digital weighing bed; Comprise the up-down electric pushrod, lift the lower limb electric pushrod, lift the back of the body electric pushrod, wheel carrier, undercarriage, synchronously frame, crane, put, carry on the back frame, mounting, lower limb frame, guardrail, middle control brake roller on the shelf; It is characterized in that this dialysis chair bed accessory is equipped with automatic weighing system; Said automatic weighing system is by forming through the interconnective mass sensor of data wire, Weighting and Controlling display and Weighing module, and mass sensor places the junction between wheel carrier and the undercarriage.

2. the electronic dialysis chair of digital weighing according to claim 1 bed; It is characterized in that: the upper and lower surface of said mass sensor is connected with undercarriage with wheel carrier respectively; 4 mass sensors are placed horizontally at respectively on the quality weighing piece fixing head of wheel carrier both sides, and the last stationary plane of every mass sensor is connected with undercarriage both sides quality weighing piece fixing head respectively.

3. the electronic dialysis chair of digital weighing according to claim 2 bed is characterized in that: said up-down electric pushrod, undercarriage, synchronous frame and crane are formed the oscilaltion regulating system; Saidly lift lower limb electric pushrod, lower limb frame and put on the shelf and form shank angular adjustment system; Saidly lift back of the body electric pushrod, back of the body frame and put on the shelf to form and lift back of the body regulating system; Said guardrail is fixed on the said both sides of putting on the shelf.

4. the electronic dialysis chair of digital weighing according to claim 3 bed is characterized in that this dialysis chair bed also has end I, end II, end III and the left and right sides protective case of being processed by ABS plastic.

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