CN105181987B - A kind of Miniature biochemical analysis instrument - Google Patents

A kind of Miniature biochemical analysis instrument Download PDF

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Publication number
CN105181987B
CN105181987B CN201510540400.6A CN201510540400A CN105181987B CN 105181987 B CN105181987 B CN 105181987B CN 201510540400 A CN201510540400 A CN 201510540400A CN 105181987 B CN105181987 B CN 105181987B
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CN
China
Prior art keywords
fixed
sleeve
electric machine
end
rotary electric
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CN201510540400.6A
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Chinese (zh)
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CN105181987A (en
Inventor
冯尧
胡津
陈贤泽
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深圳市锦瑞生物科技有限公司
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Priority to CN201510540400.6A priority Critical patent/CN105181987B/en
Publication of CN105181987A publication Critical patent/CN105181987A/en
Application granted granted Critical
Publication of CN105181987B publication Critical patent/CN105181987B/en

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Abstract

The invention discloses a kind of Miniature biochemical analysis instrument, including:Fixed support, the fixed support is provided with axis hole;Clutch shaft bearing, the clutch shaft bearing is fixed in the axis hole;Sleeve, the clutch shaft bearing is fixed by socket in one end of sleeve, and the appearance of the sleeve is provided with driven gear;First rotary electric machine, first rotary electric machine is fixed on the fixed support, and the rotary shaft of first rotary electric machine is provided with drive gear, and the drive gear is engaged with the driven gear;Sample disk;Second rotary electric machine, second rotary electric machine is fixed in the sleeve, wherein, the rotary shaft of second rotary electric machine is passed from the other end of the sleeve, and is fixed on the bottom of the sample disk;There is gap between the end face of the other end of the sample disk and the sleeve.By the above-mentioned means, the structure of the Miniature biochemical analysis instrument of the present invention is simpler, space that is taking is smaller and manufacturing cost is lower.

Description

A kind of Miniature biochemical analysis instrument

Technical field

The present invention relates to technical field of medical equipment, more particularly to a kind of Miniature biochemical analysis instrument.

Background technology

At present, the inspection of biochemical indicator also relies primarily on traditional large-scale Biochemical Analyzer, but large-scale Biochemical Analyzer Volume is big, weight weight, cost are high, may be only available for hospital.For the patient such as nephrosis and diabetes, its needs enters for a long time Line trace detection is biochemical to be indicated, and when carrying out biochemical instruction detection every time, patient is required for hospital being detected, is brought It is greatly not convenient.

In order that the patient such as nephrosis and diabetes, which is in, can also carry out the detection of biochemical indicator, also there is miniature life in market Change analyzer, sample and reagent are attached in the sample disk of one by it, and sample disk be able to should be operated at high speeds, be made Sample serum is separated, and is fully reacted with reagent, again can under lower-speed state accurately rotated sample disk, reagent is entered with facilitating Row detection.Miniature biochemical analysis instrument on the market its by stage-geared gear drive sample disk carry out low speed or High-speed rotation, stage-geared gear needs to take larger space, causes the volume of Miniature biochemical analysis instrument excessive, It is unfavorable for the miniaturization of Miniature biochemical analysis instrument.

The content of the invention

The present invention solves the technical problem of a kind of Miniature biochemical analysis instrument is provided, its structure is simpler, occupancy Space is smaller and manufacturing cost is lower.In order to solve the above technical problems, one aspect of the present invention is:There is provided a kind of Miniature biochemical analysis instrument, including:Fixed support, the fixed support is provided with axis hole;Clutch shaft bearing, the clutch shaft bearing is fixed In in the axis hole;Sleeve, the clutch shaft bearing is fixed by socket in one end of sleeve, and the appearance of the sleeve is provided with driven tooth Wheel;First rotary electric machine, first rotary electric machine is fixed on the fixed support, the rotary shaft of first rotary electric machine Drive gear is provided with, the drive gear is engaged with the driven gear;Sample disk;Second rotary electric machine, described second turn Dynamic motor is fixed in the sleeve, wherein, the rotary shaft of second rotary electric machine is passed from the other end of the sleeve, and And it is fixed on the bottom of the sample disk;There is gap between the end face of the other end of the sample disk and the sleeve.

Wherein, the sleeve includes upper shell, increases cylinder, lower axis body and high speed shaft;The clutch shaft bearing be fixed by socket in One end of the lower axis body, the lower axis body other end and increase cylinder one end fix, it is described increase cylinder the other end with it is described One end of upper shell is fixed, and second rotary electric machine is fixed in the growth cylinder, and turn of second rotary electric machine One end of moving axis and high speed shaft is fixed, and the other end of the high speed shaft passes through the upper shell and is fixed on the sample disk Bottom.

Wherein, the sleeve also includes second bearing;The second bearing is fixed in the upper shell, and is socketed on On the high speed shaft.Wherein, the Miniature biochemical analysis instrument also includes sliding seat and slip ring;The sliding seat is fixed on described On fixed support, the slip ring is arranged on sliding seat, and one end of the slip ring and the lower axis body is abutted against.

Wherein, the Miniature biochemical analysis instrument also includes pallet and expansion sleeve;

The pallet is fixed on the other end of the high speed shaft, and the expansion sleeve is fixed on the pallet;The sample The bottom of disk is provided with projection, and the raised press-in is simultaneously fixed in the expansion sleeve.

Wherein, the Miniature biochemical analysis instrument also includes centrifugation lid, and the centrifugation lid also sets up through hole;The centrifugation lid lid The other end of the upper shell is arranged at, and the other end of the high speed shaft passes through from the through hole and is fixed on pallet.

Wherein, the Miniature biochemical analysis instrument also includes axle sleeve and heat insulating panel;The axle sleeve is socketed on the upper shell The other end, the heat insulating panel is provided with perforate, and the heat insulating panel is socketed on axle sleeve.

Wherein, between the pallet and centrifugation lid, between the pallet and axle sleeve and the sample disk with it is described heat-insulated Gap is respectively provided between panel.

Wherein, the Miniature biochemical analysis instrument also includes proximity switch, and the proximity switch is fixed on fixed support, and And the proximity switch is corresponding with the axis of the growth cylinder.

Wherein, first rotary electric machine is stepper motor, and second rotary electric machine is DC brushless motor.

The beneficial effects of the invention are as follows:The situation of prior art is different from, the second rotary electric machine is sheathed on by the present invention In cylinder, the first rotary electric machine is engaged with sleeve gear, and one end of the second rotary electric machine is passed and sample from the other end of sleeve This disk is fixed, and, it is by controlling the second rotary electric machine and the first rotary electric machine to be switched between self-locking and rotation, i.e., real Existing sample disk is rotated with different rotating speeds, and transmission gear shift mode, Micro biochemical analysis of the present invention are carried out compared to multi-stage gear Instrument has the advantage that space is smaller and manufacturing cost is lower that structure is simpler, take, and is conducive to the small-sized of Micro biochemical analysis Change.

Brief description of the drawings

Fig. 1 is the schematic perspective view of Miniature biochemical analysis instrument embodiment of the present invention;

Fig. 2 is the schematic cross-section of Miniature biochemical analysis instrument embodiment of the present invention.

Embodiment

The present invention is described in detail with embodiment below in conjunction with the accompanying drawings.

Referring to Fig. 1, Miniature biochemical analysis instrument 20 includes fixed support 21, clutch shaft bearing, sleeve 23, the first rotary electric machine 24th, the rotary electric machine 26 of sample disk 25 and second.

Fixed support 21 is provided with axis hole (not indicating).Clutch shaft bearing is fixed in axis hole, in the present embodiment, preferably , the fixed form that clutch shaft bearing is fixed on axis hole is fixed for bolt.Clutch shaft bearing is fixed by socket in one end of sleeve 23, sleeve 23 appearance is provided with driven gear 221.

First rotary electric machine 24 is fixed on fixed support 21, and the rotary shaft of the first rotary electric machine 24 is provided with drive gear 241, drive gear 241 is engaged with driven gear 221.Second rotary electric machine 26 is fixed in sleeve 23, wherein, second rotates electricity The rotary shaft of machine 26 is passed from the other end of sleeve 23, and is fixed on the bottom of sample disk 25.Sample disk 25 and sleeve 23 There is gap between the end face of the other end.When the first rotary electric machine 24 is rotated, the self-locking of the second rotary electric machine 26 is to realize sleeve 23 fixation, when the second rotary electric machine 26 is rotated, the self-locking of the first rotary electric machine 24, to realize sleeve 23, drives first to rotate Motor 24 rotates, and the second rotary electric machine 26 drives sample disk 25 to rotate.Wherein, the second rotary electric machine 26 and the first rotary electric machine 24 Different rotating speeds can be exported, so as to realize that sample disk 25 can be with the rotation of friction speed.In the present embodiment, preferably , the first rotary electric machine 24 is stepper motor, and the second rotary electric machine 26 is brshless DC motor, and stepper motor slowly runs, and is driven Dynamic sample disk 25 does low speed and accurately rotated, the convenient extinction that specific wavelength is carried out to reagent in each reaction chamber on sample disk 25 Degree detection, so as to realize low-speed detection;Brshless DC motor high-speed rotation, driving sample disk 25, which is done, to be rotated at a high speed, so that sample The blood sample in reaction chamber on disk 25 is centrifuged out serum, and serum can be made to reach each reagent storage position fill therewith Divide chemical reaction, so as to realize high speed centrifugation.

Sleeve 23 includes upper shell 231, increases cylinder 232, lower axis body 233 and high speed shaft 234.

Clutch shaft bearing is fixed by socket in one end of lower axis body 233, and the other end of lower axis body 233 is with increasing cylinder 232 One end is fixed, and the one end for increasing the other end and upper shell 231 of cylinder 232 is fixed.Certainly, dismantle for convenience, the He of upper shell 231 Increase cylinder 232 using the fixation that is spirally connected to increase between cylinder 232 and lower axis body 233 also using the fixation that is spirally connected.Second rotary electric machine 26 are fixed in growth cylinder 232, and the rotary shaft of the second rotary electric machine 26 and one end of high speed shaft 234 are fixed, high speed shaft 234 The other end is through upper shell 231 and is fixed on the bottom of sample disk 25.The rotary shaft of second rotary electric machine 26 drives at a high speed Axle 234 is rotated, and high speed shaft 234 drives sample disk 25 to rotate, so as to realize that the second rotary electric machine 26 drives high-speed rotation indirectly.

Further, sleeve 23 also includes second bearing 235.Second bearing 235 is fixed in upper shell 231, and is covered It is connected on high speed shaft 234, high speed shaft 234 is positioned by second bearing 235, prevents high speed shaft 234 from being waved in upper shell 231.

When clutch shaft bearing is socketed in one end of lower axis body 233, one end of lower axis body 233 may further pass through clutch shaft bearing.And In order to preferably support lower axis body 233, Miniature biochemical analysis instrument also includes sliding seat 27 and slip ring 28.Sliding seat 27 is fixed on On fixed support 21, and sliding seat 27 is located at the lower section of lower axis body 233, and slip ring 28 is arranged on sliding seat 27, and sliding One end of rotating ring 28 and lower axis body 233 is abutted against, and sliding seat 27 and slip ring 28 play a part of the lower axis body 233 of support.It is worth Illustrate, the frictional force between slip ring 28 and lower axis body 233 is smaller, not under the influence of axis body 233 rotation.

Miniature biochemical analysis instrument also includes pallet 29 and expansion sleeve 30.Pallet 29 is fixed on the other end of high speed shaft 234, swollen Tight set 30 is fixed on pallet 29.The bottom of sample disk 25 is provided with projection, and projection is pressed into and is fixed in expansion sleeve 30, so that Realize that sample disk 25 is indirectly secured on high speed shaft 234.High speed shaft 234 is more preferably protected for convenience, and Miniature biochemical analysis instrument is also Including centrifugation lid 31.Centrifugation lid 31 also sets up through hole (not indicating).Centrifugation lid 31 covers the other end for being arranged at upper shell 231, high The other end of fast axle 234 is passed through and is fixed on pallet 29 from through hole.

Miniature biochemical analysis instrument also includes axle sleeve 32 and heat insulating panel 33.Axle sleeve 32 is socketed on the other end of upper shell 231, Heat insulating panel 33 is provided with perforate, and heat insulating panel 33 is socketed on axle sleeve 32, and axle sleeve 32 passes through perforate.Axle sleeve 32 and upper shell It can adopt and be screwed between 231, between heat insulating panel 33 and axle sleeve 32.

Being turned on or off for the second rotary electric machine 26 is controlled for convenience, and Miniature biochemical analysis instrument also includes proximity switch 34, proximity switch 34 is fixed on fixed support 21, and proximity switch 34 is corresponding with the axis for increasing cylinder 232.It is close to open Closing 34 is used to control being turned on or off for the second rotary electric machine 26.

It should be noted that:Between pallet 29 and centrifugation lid 31, between pallet 29 and axle sleeve 32 and sample disk 25 with every Gap is also respectively provided between hot panel 33, it is to avoid centrifugation lid 31, axle sleeve 32 and heat insulating panel 33 stop sample disk 25 and pallet 29 Rotation.

Specifically, fixed support 21 includes firm banking 211, lifting muscle 212 and lifting moving frame 213, firm banking 211 leads to Cross and be fixed in the lifting bolt of muscle 212 in lifting moving frame 213.Axis hole is arranged on firm banking 211, is slided bottom and is fixed on fixation On base 211, proximity switch 34 is fixed in lifting moving frame 213.

In embodiments of the present invention, the second rotary electric machine 26 is sheathed in sleeve 23, the first rotary electric machine 24 and set 23 engaged gears of cylinder, and one end of the second rotary electric machine 26 passes from the other end of sleeve 23 and fixed with sample disk 25, and, By controlling the second rotary electric machine 26 and the first rotary electric machine 24 to be switched between self-locking and rotation, that is, realize sample disk 25 Rotated with different rotating speeds, compared to stage-geared gear shift mode, Miniature biochemical analysis instrument of the present invention has structure more Simply, the advantage that space is smaller and manufacturing cost is lower taken, is conducive to the miniaturization of Micro biochemical analysis.

Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations Technical field, is included within the scope of the present invention.

Claims (10)

1. a kind of Miniature biochemical analysis instrument, it is characterised in that including:
Fixed support, the fixed support is provided with axis hole;
Clutch shaft bearing, the clutch shaft bearing is fixed in the axis hole;
Sleeve, the clutch shaft bearing is fixed by socket in one end of sleeve, and the appearance of the sleeve is provided with driven gear;
First rotary electric machine, first rotary electric machine is fixed on the fixed support, the rotation of first rotary electric machine Axle is provided with drive gear, and the drive gear is engaged with the driven gear;
Sample disk;
Second rotary electric machine, second rotary electric machine is fixed in the sleeve, wherein, the rotation of second rotary electric machine The other end of axle from the sleeve is passed, and is fixed on the bottom of the sample disk;
There is gap between the end face of the other end of the sample disk and the sleeve.
2. a kind of Miniature biochemical analysis instrument, it is characterised in that
Fixed support, the fixed support is provided with axis hole;
Clutch shaft bearing, the clutch shaft bearing is fixed in the axis hole;
Sleeve, the clutch shaft bearing is fixed by socket in one end of sleeve, and the appearance of the sleeve is provided with driven gear;
First rotary electric machine, first rotary electric machine is fixed on the fixed support, the rotation of first rotary electric machine Axle is provided with drive gear, and the drive gear is engaged with the driven gear;
Sample disk;
Second rotary electric machine, second rotary electric machine is fixed in the sleeve;
There is gap between the end face of the other end of the sample disk and the sleeve;
The sleeve includes upper shell, increases cylinder, lower axis body and high speed shaft;
The clutch shaft bearing is fixed by socket in one end of the lower axis body, and the lower axis body other end is consolidated with increasing one end of cylinder Fixed, one end of the other end and the upper shell for increasing cylinder is fixed, and second rotary electric machine is fixed on the growth cylinder Interior, and the rotary shaft of second rotary electric machine and one end of high speed shaft fix, the other end of the high speed shaft is through described Upper shell and the bottom for being fixed on the sample disk.
3. Miniature biochemical analysis instrument according to claim 2, it is characterised in that
The sleeve also includes second bearing;
The second bearing is fixed in the upper shell, and is socketed on the high speed shaft.
4. Miniature biochemical analysis instrument according to claim 2, it is characterised in that
The Miniature biochemical analysis instrument also includes sliding seat and slip ring;
The sliding seat is fixed on the fixed support, and the slip ring is arranged on sliding seat, and the slip ring with One end of the lower axis body is abutted against.
5. Miniature biochemical analysis instrument according to claim 2, it is characterised in that
The Miniature biochemical analysis instrument also includes pallet and expansion sleeve;
The pallet is fixed on the other end of the high speed shaft, and the expansion sleeve is fixed on the pallet;
The bottom of the sample disk is provided with projection, and the raised press-in is simultaneously fixed in the expansion sleeve.
6. Miniature biochemical analysis instrument according to claim 5, it is characterised in that
The Miniature biochemical analysis instrument also includes centrifugation lid, and the centrifugation lid also sets up through hole;
The centrifugation lid lid is arranged at the other end of the upper shell, and the other end of the high speed shaft is passed through from the through hole And it is fixed on pallet.
7. Miniature biochemical analysis instrument according to claim 6, it is characterised in that
The Miniature biochemical analysis instrument also includes axle sleeve and heat insulating panel;
The axle sleeve is socketed on the other end of the upper shell, and the heat insulating panel is provided with perforate, and the heat insulating panel It is socketed on axle sleeve.
8. Miniature biochemical analysis instrument according to claim 7, it is characterised in that
Between the pallet and centrifugation lid, between the pallet and axle sleeve and between the sample disk and the heat insulating panel With gap.
9. Miniature biochemical analysis instrument according to claim 2, it is characterised in that
The Miniature biochemical analysis instrument also includes proximity switch, and the proximity switch is fixed on fixed support, and described connects Nearly switch is corresponding with the axis of the growth cylinder.
10. Miniature biochemical analysis instrument according to claim 1, it is characterised in that
First rotary electric machine is stepper motor, and second rotary electric machine is DC brushless motor.
CN201510540400.6A 2015-08-28 2015-08-28 A kind of Miniature biochemical analysis instrument CN105181987B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510540400.6A CN105181987B (en) 2015-08-28 2015-08-28 A kind of Miniature biochemical analysis instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510540400.6A CN105181987B (en) 2015-08-28 2015-08-28 A kind of Miniature biochemical analysis instrument

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CN105181987A CN105181987A (en) 2015-12-23
CN105181987B true CN105181987B (en) 2017-08-11

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Publication number Priority date Publication date Assignee Title
CN106483312B (en) * 2015-08-26 2018-03-13 广明光电股份有限公司 The tumbler of biological detection

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4981585A (en) * 1985-11-14 1991-01-01 Norfolk Scientific, Inc. Centrifuge system and fluid container therefor
FR2858251B1 (en) * 2003-07-29 2005-10-28 Diagyr Method for balancing a rotary tray of a centrifuge and centrifuge employing the process
KR20140055528A (en) * 2012-10-31 2014-05-09 삼성전자주식회사 Microfluidic structure, microfluidic system and control method for microfluidic test device
CN104657400B (en) * 2013-11-19 2018-02-02 光宝科技股份有限公司 Centrifugal analysis system and its analysis method

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Address after: Nanshan District Taoyuan street 518000 Guangdong city of Shenzhen Province Liu Xian Da Dao Nan Shan Yungu Innovation Industrial Park 1183 building 6 floor B landscape

Applicant after: SHENZHEN GENRUI BIOTECHNOLOGY CO., LTD.

Address before: Nanshan District Taoyuan street 518000 Guangdong city of Shenzhen Province Liu Xian Da Dao Nan Shan Yungu Innovation Industrial Park 1183 building 6 floor B landscape

Applicant before: Shenzhen Genius Electronics Co., Ltd.

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