CN2776560Y - High speed medical centrifugal machine - Google Patents

Abstract

The utility model relates to a high speed medical centrifugal machine, which is used for separating different test solution and is an ideal instrument for modern biology, agricultural science, medicine research and clinical diagnosis and belongs to the medical appliance field. The utility model is characterized in that a motor is positioned on the lower part of the center of a machine housing, a rotary head is sheathed on the shaft extension of the motor, a machine frame is fixed with two transformers, a machine body is arranged on a bottom plate of the machine frame and a machine cover is connected to the upper surface of the machine body. The utility model is characterized in that a centrifugal cavity is fixed above a balance mechanism which is connected into an integral body with the machine frame, the front surface of the bottom plate of the machine frame is provided with a main plate and an electric control plate is arranged on the back surface of the bottom plate of the machine frame. The utility model has the advantages of simple structure and compact and reasonable structure. Because the utility model adopts the micro-treatment control, a door lock of the machine cover is automated, balance can be adjusted automatically, control precision is high, running is smooth and test solution can be separated automatically. Because the machine body, etc. are made of full plastic materials, the utility model has the advantages of difficult rustiness of the outer housing, beautiful appearance, small volume, low noise and long service life.

Description

The high speed medical centrifuge

Technical field

The utility model relates to a kind of high speed medical centrifuge, specifically is used for different test solutions are separated, and be the desirable instrument of modern biology, agricultural sciences and medical research and clinical diagnosis, belong to the medical apparatus and instruments technical field.

Background technology

Before the utility model was made, in prior art, the medical centrifuge that is used for different test solutions are separated normally was made up of motor, balanced controls, centrifugal chamber, rotary head, transformer, frame and automatically controlled plate etc.The main motor mounting that adopts is in the casing bottom, and in the centrifugal chamber of balanced controls upper fixed, balanced controls are connected on the base plate, suit rotary head on the axle of motor, transformer is fixed on the frame, and body is installed on the base plate of frame, and mainboard and automatically controlled plate are installed in the housing rear portion.Panel is a lucite, and frame adopts metal material to make.The centrifuge volume of this kind structure is big, and shell easily gets rusty, and service life is short; Running inadequately steadily, poor radiation, noise height, moulding be not attractive in appearance, automatically adjustment.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned weak point, thereby provides a kind of simple, compact and reasonable for structure; Automatically adjustment, running are steadily, thermal diffusivity is good, noise is low, shell is difficult for getting rusty, and handsome in appearance, volume is little, the high speed medical centrifuge of long service life.

Main solution of the present utility model is achieved in that

The utility model mainly adopts motor 6 to be positioned at the casing central lower, rotary head 11 is enclosed within on the shaft extension of motor 6, on frame 14, fix two transformers 17, body 10 is seated on the base plate of frame 14, and control panel 5 is installed in the front side of cover 9, and cover 9 is connected in above the body 10, it is characterized in that centrifugal chamber 12 is fixed on balanced controls 13 tops, balanced controls 13 are connected as a single entity with frame 14, in the base plate front of frame 14 mainboard 7 are installed, and automatically controlled plate 15 places the base plate back of frame 14.

Compared with the prior art the utility model has the following advantages:

The utility model is simple, compact and reasonable for structure; Since adopted little processing controls, the automation of cover door lock, energy is adjustment automatically, the control accuracy height, and running steadily can make test solution separate automatically; Because body is that overall plastic material is made, shell is difficult for getting rusty, and is handsome in appearance, and volume is little, and noise is low, long service life.

Description of drawings

Fig. 1 is the utility model structural front view.

The specific embodiment

Embodiment during following the utility model is incited somebody to action in conjunction with the accompanying drawings is further described:

The utility model mainly is made up of sealing ring 1, electronic lock 2, nut 3, power switch 4, control panel 5, motor 6, mainboard 7, visor 8, cover 9, body 10, rotary head 11, centrifugal chamber 12, balanced controls 13, frame 14, automatically controlled plate 15, under-chassis 16, transformer 17 etc.Motor 6 is positioned at the casing central lower, is supported by the frame 14 that has balanced controls 13, and centrifugal chamber 12 is fixed on balanced controls 13 tops.Rotary head 11 is enclosed within on the shaft extension of motor 6, and is fixing by nut 3.Two transformers 17 are fixed on the frame 14.Body 10 is seated on the base plate of frame 14, and four self-tapping screws are fixed.Mainboard 7 and automatically controlled plate 15 also place frame 14 base plate front-backs.The cover 9 that visor 8 and sealing ring 1 are housed is connected in above the body 10 by hinge and electronic lock 2.Visor 8 is positioned at cover 9 centers, visual rotary head working order or test the speed.Sealing ring 1 makes 12 sealings of centrifugal chamber after cover 9 closes.Under-chassis 16 distributes and is contained in below the base plate of frame 14, makes complete machine and table top keep certain distance, makes motor 6 obtain good radiating condition.Power switch 4 is installed in the right side of body 10, and in control panel 5 lining ring and liner plate is housed, and control panel 5 is installed in the front side of cover 9.Cover 9, body 10 all adopt plastics to make.

Operation principle of the present utility model:

The centrifuge container symmetry of equivalent test solution is positioned in angie type rotary head 11 hole on every side, drive the RCF (RCF) that rotation is at a high speed produced by motor 6, test solution is separated, the size of RCF depends on the horizontal range at the residing position of sample to rotating shaft center, be radius of turn R and rotation speed n, its computing formula is as follows: RCF=1.118 * 10 ^-5* n ²* R (* g)

N in the formula: rotating speed (rev/min)

R: radius of turn (centimetre)

Separate particles in the mixed liquor, precipitate needed time T s and calculated by following formula:

$\mathrm{Ts}=\frac{27.4\&times;(\log \mathrm{eR}\max -\log \mathrm{eR}\min )\mathrm{\&mu;}}{{\mathrm{<figure-callout\; id="2"\; label="n"\; filenames="Y20042010898400061.png"\; state="\{\{state\}\}">n</figure-callout>}}^2\&times;{\mathrm{<figure-callout\; id="2"\; label="r"\; filenames="Y20042010898400061.png"\; state="\{\{state\}\}">r</figure-callout>}}^2\&times;(\mathrm{\&sigma;}-p)}$

Divide

P in the formula: mixed liquor density (gram per centimeter ³)

μ: viscosity of mixed liquid (pool)

RCF＝1.118×10 ^-5×n ²×R(×g)

N in the formula: rotating speed (rev/min)

R: radius of turn (centimetre)

Separate particles in the mixed liquor, precipitate needed time T s and calculated by following formula:

$\mathrm{Ts}=\frac{27.4\&times;(\log \mathrm{eR}\max -\log \mathrm{eR}\min )\mathrm{\&mu;}}{{\mathrm{<figure-callout\; id="2"\; label="n"\; filenames="Y20042010898400061.png"\; state="\{\{state\}\}">n</figure-callout>}}^2{\&times;\mathrm{<figure-callout\; id="2"\; label="r"\; filenames="Y20042010898400061.png"\; state="\{\{state\}\}">r</figure-callout>}}^2\&times;(\mathrm{\&sigma;}-p)}$

Divide

P in the formula: mixed liquor density (gram per centimeter ³)

μ: viscosity of mixed liquid (pool)

N: rotating speed (rev/min)

R: particle radii (centimetre)

σ: particle density (gram per centimeter ³)

Rmax: the horizontal range at the end of centrifugal test solution to rotating shaft center (centimetre)

Rmin: the face of centrifugal test solution to the horizontal range at rotating shaft center (centimetre)

The course of work of the present utility model:

At first the sample with equivalent is placed in vitro, puts it in the rotary head 11.The cover 9 that closes, breakdown power switch 4 is provided with the rotating speed and the duration of runs again on control panel 5, after the memory storage, by the running key, at this moment electronic lock 2 is locked covers 9, make the sealing ring 1 on the cover 9 press body 10, at this moment centrifugal chamber 12 obtains sealing, 11 runnings of rotary head simultaneously.The time of setting arrives, motor 6 reduction of speed stalls, and electronic lock 2 pulls out lock automatically, takes out sample, finishes entire work process.

Claims (3)

1, a kind of high speed medical centrifuge, adopt motor (6) to be positioned at the casing central lower, rotary head (11) is enclosed within on the shaft extension of motor (6), on frame (14), fix two transformers (17), body (10) is seated on the base plate of frame (14), control panel (5) is installed in the front side of cover (9), cover (9) is connected in above the body (10), it is characterized in that centrifugal chamber (12) is fixed on balanced controls (13) top, balanced controls (13) are connected as a single entity with frame (14), mainboard (7) is installed in base plate front in frame (14), and automatically controlled plate (15) places the base plate back of frame (14).

2, high speed medical centrifuge according to claim 1 is characterized in that in the described control panel (5) lining ring and liner plate being housed.

3, high speed medical centrifuge according to claim 1 is characterized in that described cover (9), body (10) all adopt plastics to make.

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