CN106353227B - Blood sample feeding device for accurate Weishi method blood sedimentation detector - Google Patents
Blood sample feeding device for accurate Weishi method blood sedimentation detector Download PDFInfo
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- CN106353227B CN106353227B CN201610716846.4A CN201610716846A CN106353227B CN 106353227 B CN106353227 B CN 106353227B CN 201610716846 A CN201610716846 A CN 201610716846A CN 106353227 B CN106353227 B CN 106353227B
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- 210000004369 blood Anatomy 0.000 title claims abstract description 26
- 239000008280 blood Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000004062 sedimentation Methods 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 40
- 230000001360 synchronised effect Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 26
- 210000001503 joint Anatomy 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 210000004907 gland Anatomy 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 210000003743 erythrocyte Anatomy 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/04—Investigating sedimentation of particle suspensions
- G01N15/05—Investigating sedimentation of particle suspensions in blood
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hematology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The invention discloses a blood sample supply device for a precise Weishi method blood sedimentation detector, which comprises a control system and a sample supply channel, wherein the sample supply channel is communicated with a movable joint through a fixed joint, and the fixed joints are distributed on the same circumference of a fixed disc; the movable joint is provided with one fixedly connected to the turntable, so that when the turntable is driven to rotate by a motor through the synchronous belt transmission structure, the movable joint is respectively communicated with the plurality of fixed joints; the control system obtains the position information of the rotary table through the first position detection device and the index plate; the control system also obtains position information of a fixed joint communicated with the movable joint from the plurality of fixed joints through a second position detection device. The invention has the advantages of capability of effectively meeting the requirement of a detection instrument with high detection efficiency, accurate positioning of the turntable, simple and compact structure, convenient operation, low manufacturing cost and long service life.
Description
Technical Field
The invention relates to an automatic detection device for accurate Weishi sedimentation, in particular to a blood sample supply device for an accurate Weishi sedimentation detector.
Background
The method for measuring the blood sedimentation comprises a Wei's method, a hemocoagulator method, a Pan's method, a Wen's method, an inclination method, an infrared rapid measuring method and the like. At present, the measuring time of the hemosedimentation meter method popular in the domestic market needs half an hour, and many other measuring methods mainly shorten the time by changing the thickness of a capillary tube, the measuring angle and the like. However, from the commercial reaction point of view, it is accurate when measuring normal blood sedimentation, and it is no longer accurate when measuring abnormal blood sedimentation. The most classical of these measurement methods is the widmanstatten method. The international committee for the standard chemistry of hematology (ICSH) recommends the widmanship method as the standard method for the determination of blood sedimentation vessels, and many other methods of measurement use the widmanship method as the standard of measurement. The measurement speed of the widmannstatten method is typically 1 hour and is a manual measurement method. In order to improve the detection efficiency and ensure the accuracy of the detection result, the applicant applies for a Wei's method blood sedimentation meter for automatic accurate detection on 12, 8.2015, which has been granted patent right on 6, 15.2016, and is provided with a plurality of detection channels and a plurality of blood sample detection tubes, so that the detection efficiency can be improved by realizing the detection of a plurality of samples in the same time according to the requirement of Wei's method time strictly. However, the testing instrument lacks a blood sample supply device.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a blood sample supply device for an accurate Wei's method erythrocyte sedimentation detector, which adopts a mode that one interface of an indexing turntable respectively corresponds to a plurality of fixed interfaces to form a plurality of sample supply channels and provide blood detection samples so as to realize the cross operation of a plurality of detection items of the plurality of detection samples within the strict requirement of the Wei's method detection time period, can effectively meet the requirement of a detection instrument with high detection efficiency, and has high positioning precision and accurate positioning of the turntable.
In order to achieve the purpose, the invention adopts the following technical scheme.
A blood sample supply device for an accurate Wei's method blood sedimentation detector comprises a control system and a sample supply channel, wherein the sample supply channel is communicated with a movable joint through a fixed joint, and the fixed joint is provided with a plurality of fixed joints distributed on the same circumference of a fixed disc; the movable joint is provided with one fixedly connected to the turntable, so that when the turntable is driven to rotate by a motor through the synchronous belt transmission structure, the movable joint is respectively communicated with the plurality of fixed joints; the control system obtains the position information of the rotary table through the first position detection device and the index plate; the control system also obtains position information of a fixed joint communicated with the movable joint from the plurality of fixed joints through a second position detection device.
According to the invention adopting the technical scheme, one section of the sample supply channel is formed on the rotary disc and the fixed disc respectively, a plurality of fixed channel sections are arranged on the fixed disc, one channel section is formed on the rotary disc, and the joints of the plurality of fixed channel sections are communicated with the joints respectively through the rotation of the rotary disc so as to provide a plurality of detection samples in a strict Weishi method detection time period, thereby ensuring the sample supply requirement of the high-efficiency detector; meanwhile, the turntable obtains the instant position of the rotating state through the index plate and the first position detection device, and obtains the position of the fixed joint needing to be connected through the second position detection device; therefore, the positioning precision is ensured in a dual positioning mode, and the butt joint precision of the movable joint and the fixed joint is ensured. Wherein, the motor can adopt a stepping motor or a servo motor. Wherein the control system also obtains the position of the fixed joint communicated with the movable joint in the plurality of fixed joints through a second position detection device, usually in the equipment debugging stage, and stores the result in a control program of the control system,
preferably, the control system further obtains a reset signal of the turntable through a third position detection device. So as to eliminate the accumulated error of the rotation of the turntable and further position the precision.
Preferably, the fixed disc is in a rotary connection relationship formed by matching the middle hole with the rotary disc, and the fixed disc and the rotary disc are connected in series through a pull rod and are pressed tightly by a nut and a compression spring. The fixed joint is ensured to be well sealed when being communicated with the movable joint or being blocked by the rotary disc by always keeping certain pressure between the fixed disc and the rotary disc through the spring, and the pressure is also adjusted through the nut, so that the structure is compact, and the equipment layout is convenient.
Further preferably, an elastic sealing element is arranged between the fixed disc and the rotary disc, and the elastic sealing element is used for sealing the fixed joint through the rotary disc or sealing between the movable joint and the butt end face of the fixed joint. The combination pressure of the rotary disc and the fixed disc can be conveniently adjusted, reasonable combination pressure can be obtained, sealing reliability is guaranteed, and the service life is long.
Further preferably, a gland is arranged between the compression spring and the rotary disc. So as to avoid the damage of the spring to the end surface of the turntable and prolong the service life.
Preferably, the first position detecting device is formed by a first photoelectric switch and a plurality of notches circumferentially distributed on the index plate; the second position detection device is composed of an induction sensor; the third position detection device is composed of a second photoelectric switch and a light leakage hole arranged on the index plate. The elements and the structure of the existing detection positioning device are utilized, the manufacturing cost is reduced, and the reliability is improved.
The invention has the advantages of capability of effectively meeting the requirement of a detection instrument with high detection efficiency, accurate positioning of the turntable, simple and compact structure, convenient operation, low manufacturing cost and long service life.
Drawings
Fig. 1 is a front view showing the structure of the present invention.
Fig. 2 is a top view of fig. 1 of the present invention.
Fig. 3 is a schematic sectional view of the structure of the present invention.
Detailed Description
The invention will be further described with reference to the drawings, but the invention is not limited thereby within the scope of the embodiments described.
Referring to fig. 1, 2 and 3, the blood sample supply device for the accurate wilcoxon method erythrocyte sedimentation rate detector comprises a control system and a sample supply channel, wherein the sample supply channel is communicated by a fixed joint 1 and a movable joint 2, and the fixed joint 1 is provided with 40 blood samples distributed on the same circumference of a fixed disc 3; the movable joint 2 is fixedly connected to the turntable 4, so that when the turntable 4 is driven to rotate by the motor 5 through a synchronous belt transmission structure, the movable joint 2 is respectively communicated with the 40 fixed joints 1; the rotary table 4 is fixedly connected with an index plate 6, and the control system obtains the position information of the rotary table 4 through a first position detection device 7 and the index plate 6; the control system also obtains the position of the fixed joint 1 communicating with the movable joint 2 among the 40 fixed joints 1 through the second position detecting means 8. The control system also obtains a reset signal for the turntable 4 via the third position detection means 9. The first position detection device 7 is formed by a first photoelectric switch and a plurality of notches which are circumferentially distributed on the index plate 6; the second position detection device 8 is composed of an induction sensor, the fixed elements of the second position detection device 8 are the corresponding positions of 40 fixed joints 1 arranged on the fixed disc 3, and the movable elements are arranged at the corresponding positions of the movable joints 2 on the index disc 6 so as to respectively form position induction signals with the 40 fixed elements; the third position detecting means 9 is constituted by a second photoelectric switch and a light leakage hole provided in the index plate 6.
The fixed disc 3 is matched with the rotary disc 4 through a middle hole to form a rotary connection relation, the fixed disc 3 is connected with the rotary disc 4 in series through a pull rod 10, the pull rod 10 penetrates through the fixed disc 3 and the rotary disc 4 from the bottom of the fixed disc 3, and the fixed disc 3 and the rotary disc 4 are pressed tightly by a nut 11, a compression spring 12 and a gland 14 in sequence; the nut 11 has a straight knurling head for free-hand adjustment of the bonding pressure between the fixed plate 3 and the rotary plate 4; an elastic sealing element 13 is arranged between the fixed disc 3 and the rotating disc 4, the elastic sealing element 13 is an O-shaped rubber sealing ring arranged at the upper port of the fixed joint 1, and the O-shaped rubber sealing ring is arranged through a counter bore arranged on the fixed disc 3; the elastic sealing element 13 is used for sealing the fixed joint 1 through the rotary table 4 when the fixed joint 1 is not communicated with the movable joint 2, is used for sealing the butt end faces of the movable joint 2 and the fixed joint 1 when the fixed joint 1 is communicated with the movable joint 2, and the movable joint 2 is in sealing connection with the O-shaped rubber sealing ring through the transition sleeve 15, wherein the transition sleeve 15 is made of nylon, red copper, plastic or high polymer materials, so that when the transition sleeve is separated from the O-shaped rubber sealing ring, the upper end face of the fixed table 3 can form sealing with the lower end opening of the movable joint 2; the O-shaped sealing ring avoids clamping stagnation in the relative movement process with the movable joint 2 by utilizing the characteristic of a circular section, and can also be made of other high polymer materials.
In addition, the synchronous belt transmission structure comprises a driving synchronous wheel 16, a synchronous belt 17 and a driven synchronous wheel 18; the driven synchronizing wheel 18 is fixedly connected to the upper part of the rotary table 4 in a sleeved mode, and the dividing plate 6 is fixed to the upper end of the driven synchronizing wheel 18.
The number of the fixed joints 1 in the present invention may be a plurality of other natural numbers except for 40, and the number of the fixed elements in the corresponding second detecting unit 8 is the same as the number of the fixed joints.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (4)
1. A blood sample feeding device for a precise Wei's method blood sedimentation detector comprises a control system and a sample feeding channel, and is characterized in that the sample feeding channel is communicated with a movable joint (2) through a fixed joint (1), and the fixed joint (1) is provided with a plurality of fixed plates (3) distributed on the same circumference; the movable joint (2) is fixedly connected to the rotary table (4), so that when the rotary table (4) is driven to rotate by the motor (5) through the synchronous belt transmission structure, the movable joint (2) is communicated with the fixed joints (1) respectively; the rotary table (4) is fixedly connected with an index plate (6), and the control system obtains the position information of the rotary table (4) through a first position detection device (7) and the index plate (6); the control system also obtains the position information of a fixed joint (1) communicated with the movable joint (2) in the plurality of fixed joints (1) through a second position detection device (8); the fixed disc (3) is in a rotary connection relationship formed by matching a middle hole with the rotary disc (4), the fixed disc (3) and the rotary disc (4) are connected in series through a pull rod (10) and are pressed tightly by a nut (11) and a compression spring (12); an elastic sealing element (13) is arranged between the fixed disc (3) and the rotary disc (4), and the elastic sealing element (13) is used for sealing the fixed joint (1) through the rotary disc (4) or sealing between the butt joint end faces of the movable joint (2) and the fixed joint (1); wherein the elastic sealing element (13) is an O-shaped rubber sealing ring; the O-shaped rubber sealing ring is arranged through a counter bore arranged on the fixed disc (3), and the movable joint (2) is in sealing connection with the O-shaped rubber sealing ring through a transition connecting sleeve (15).
2. The device for supplying a blood sample for a WENSHI blood sedimentation monitor according to claim 1, wherein said control system further obtains a reset signal of the rotary plate (4) through a third position detecting means (9).
3. The apparatus for supplying a blood sample for a WEAVE sedimentation measurement according to claim 2, wherein a gland (14) is provided between the compression spring (12) and the rotary plate (4).
4. The device for supplying a blood sample for a WEAVAIN sedimentation monitor according to claim 2, wherein said first position detecting means (7) is constituted by a first photoelectric switch and a plurality of notches circumferentially distributed on the index plate (6); the second position detection device (8) is composed of an induction sensor; the third position detection device (9) is composed of a second photoelectric switch and a light leakage hole arranged on the index plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610716846.4A CN106353227B (en) | 2016-08-24 | 2016-08-24 | Blood sample feeding device for accurate Weishi method blood sedimentation detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610716846.4A CN106353227B (en) | 2016-08-24 | 2016-08-24 | Blood sample feeding device for accurate Weishi method blood sedimentation detector |
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| Publication Number | Publication Date |
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| CN106353227A CN106353227A (en) | 2017-01-25 |
| CN106353227B true CN106353227B (en) | 2020-06-05 |
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| CN201610716846.4A Active CN106353227B (en) | 2016-08-24 | 2016-08-24 | Blood sample feeding device for accurate Weishi method blood sedimentation detector |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111610339B (en) * | 2020-05-26 | 2023-06-27 | 山东艾科达生物科技有限公司 | Full-automatic Weissel method blood sedimentation analyzer |
| CN112747875B (en) * | 2020-12-24 | 2023-05-26 | 重庆南方数控设备股份有限公司 | Welch method blood sedimentation instrument channel air tightness detection device and air tightness detection method |
| CN114184528A (en) * | 2021-12-01 | 2022-03-15 | 重庆南方数控设备股份有限公司 | Full-automatic sedimentation dynamic analyzer by Weishi method and detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102236009A (en) * | 2010-04-28 | 2011-11-09 | 上海安彩智能技术有限公司 | Integrated blood inspection platform and using method thereof |
| CN202404073U (en) * | 2011-12-31 | 2012-08-29 | 青岛普仁仪器有限公司 | Base turn plate device for automatic sample injector |
| CN203310664U (en) * | 2013-07-11 | 2013-11-27 | 中国石油天然气股份有限公司 | Automatic sampling device for oilfield produced water settlement separation characteristic evaluation |
| CN104535370B (en) * | 2015-01-15 | 2017-06-27 | 四川清和科技有限公司 | Water quality automatic sampling device |
| CN204832222U (en) * | 2015-07-13 | 2015-12-02 | 重庆赛航科技发展有限公司 | Automatic sampling system of discernment liquid level |
| CN205317792U (en) * | 2015-12-08 | 2016-06-15 | 重庆南方数控设备有限责任公司 | Automatic wei shi method erythrocyte sedimentation rate appearance of accuracy measuring |
| CN105547937A (en) * | 2015-12-08 | 2016-05-04 | 重庆南方数控设备有限责任公司 | Automatic control device for detecting erythrocyte sedimentation rate data |
| CN205317616U (en) * | 2015-12-14 | 2016-06-15 | 重庆南方数控设备有限责任公司 | Blood flow graph carousel positioner |
| CN105588785B (en) * | 2015-12-14 | 2019-01-04 | 重庆南方数控设备有限责任公司 | Blood rheological instrument sampling apparatus |
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Address after: 400020 Digital Mansion No. 26, No. 26, Xing Long Road, Jiangbei District, Chongqing City, 12-2, 3 Applicant after: Chongqing Nanfang numerical control equipment Co., Ltd Address before: 400020 A building, 26 digital building, prosperous road, Jiangbei District, Chongqing, 12 Applicant before: CHONGQING NANFANG NUMERICAL CONTROL EQUIPMENT Co.,Ltd. |
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