CN106706945A - Automatic reagent dropping device and portable tester applying same - Google Patents
Automatic reagent dropping device and portable tester applying same Download PDFInfo
- Publication number
- CN106706945A CN106706945A CN201611257126.2A CN201611257126A CN106706945A CN 106706945 A CN106706945 A CN 106706945A CN 201611257126 A CN201611257126 A CN 201611257126A CN 106706945 A CN106706945 A CN 106706945A
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- China
- Prior art keywords
- motor
- push rod
- reagent
- controller
- reservoir
- Prior art date
- 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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- 239000003153 chemical reaction reagent Substances 0.000 title claims abstract description 76
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 230000005622 photoelectricity Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 26
- 238000004458 analytical method Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 102000001554 Hemoglobins Human genes 0.000 description 1
- 108010054147 Hemoglobins Proteins 0.000 description 1
- 210000000601 blood cell Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
- G01N35/1011—Control of the position or alignment of the transfer device
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The invention discloses an automatic reagent dropping device and a portable tester applying the same. The tester comprises the automatic reagent dropping device; the automatic reagent dropping device comprises a controller, a motor and a motor push rod; the controller is connected with the motor and is used for controlling the positive and reverse rotation of the motor; the motor is connected with the motor push rod through a lead screw, and during the positive and reverse rotation of the motor, the motor push rod is driven to go forwards and backwards; when the motor push rod goes forwards, a liquid accumulator piston is pushed to go forwards and pushes a reagent in a liquid accumulator to drop into a reaction pond; after the reagent in the liquid accumulator is used up, the motor push rod goes backwards for liquid accumulator replacement. The portable tester disclosed by the invention is lower than a large-scale automated analysis and detection instrument in overall complexity, has automatic testing and multiple measuring characteristics of the large-scale automated analysis and detection instrument, and is low in single detection cost, simple in structure, low in cost and simple to manufacture and mount. The portable tester disclosed by the invention can greatly reduce the workload of operators, avoid the error caused by man-made operation and improve the testing efficiency.
Description
Technical field
The present invention relates to field of medical device, more particularly to a kind of reagent automatic dripping device and the application device is portable
Formula tester.
Background technology
Widely using and popularizing with analysis and detecting instrument, the need for middle-size and small-size and community hospital also has analysis to detect.
Present analysis detecting instrument is broadly divided into two classes, and a class is the analysis and detecting instrument of large-scale automation, and this quasi-instrument has larger
Volume, faster test speed and can batch testing ability, be generally used for the hospital of large-scale.Another kind of is portable
Formula tester, it is its small volume, removable, cheap, single sample can only be tested every time, test process generally needs operator
Member intervenes.Portable tester has been widely used in small-middle hospital.But, portable tester such as hemoglobin inspection
Surveying instrument, Biochemical Analyzer, blood cell analysis machine etc. needs manually operated dropwise addition reagent, and the process needs the operating personnel to have certain behaviour
Make ability, have requirement higher to the dropwise addition opportunity of reagent and dripping quantity, and need to wait the finger of instrument in test process
Order, it is impossible to leave.With the increase of hospital's test volume, it is impossible to which automatic test causes that hospital must be equipped with many testers and many
Individual operating personnel could complete required test, not only waste time and energy, and inconvenient operation, testing efficiency is low, and is artificially added dropwise
Reagent easily causes error.
The content of the invention
It is an object of the invention to pass through a kind of reagent automatic dripping device and the portable tester using the device, come
Solve the problems, such as that background section above is mentioned.
It is that, up to this purpose, the present invention uses following technical scheme：
A kind of reagent automatic dripping device, it includes controller, motor and motor push rod；The controller connects with motor
Connect, for controlled motor rotating；The motor connects motor push rod by screw mandrel, during motor positive and inverse before drive motor push rod
Enter and retreat；Reservoir piston is promoted to advance when motor push rod advances, the reagent dropwise in piston pushing reservoir to reaction tank；
After reagent is finished in reservoir, motor push rod is retreated, for changing reservoir.
Especially, the reagent automatic dripping device also includes motor count sensor；The motor count sensor one
End connection controller, other end connection motor, counts, and count results are sent into control for the rotating cycle to motor
Device processed, controller root judges whether motor rotating cycle reaches setting value, and controlled motor is stopped the rotation if reaching, controlled motor
The displacement of push rod, makes the reagent in reservoir enter reaction tank from the reagent of liquid outlet discharge set amount.
Especially, the reagent automatic dripping device also includes null pick-up；The null pick-up connects with controller
Connect, for detecting whether motor push rod returns to original position, whether motor returns to zero-bit.
Especially, the null pick-up selects fluted body photoelectric sensor, and it is right with it to be provided with the motor push rod
The projection answered, when fluted body photoelectric sensor detect on motor push rod it is raised when, then controller judges that motor push rod has been returned
To original position, motor returns to zero-bit.
The invention also discloses a kind of portable tester of application mentioned reagent automatic dripping device, its bag tester sheet
Body, the tester body include reagent automatic dripping device, the reagent automatic dripping device include controller, motor and
Motor push rod；The controller and motor connection, for controlled motor rotating；The motor connects motor and pushes away by screw mandrel
Bar, drive motor push rod moves forward and backward during motor positive and inverse；Reservoir piston is promoted to advance when motor push rod advances, piston is pushed away
The reagent dropwise squeezed in reservoir is to reaction tank；After reagent is finished in reservoir, motor push rod is retreated, for changing reservoir.
Especially, the reagent automatic dripping device also includes motor count sensor；The motor count sensor one
End connection controller, other end connection motor, counts, and count results are sent into control for the rotating cycle to motor
Device processed, controller root judges whether motor rotating cycle reaches setting value, and controlled motor is stopped the rotation if reaching, controlled motor
The displacement of push rod, makes the reagent in reservoir enter reaction tank from the reagent of liquid outlet discharge set amount.
Especially, the reagent automatic dripping device also includes null pick-up；The null pick-up connects with controller
Connect, for detecting whether motor push rod returns to original position, whether motor returns to zero-bit.
Especially, the null pick-up selects fluted body photoelectric sensor, and it is right with it to be provided with the motor push rod
The projection answered, when fluted body photoelectric sensor detect on motor push rod it is raised when, then controller judges that motor push rod has been returned
To original position, motor returns to zero-bit.
Reagent automatic dripping device proposed by the present invention and application the device portable tester advantage it is as follows：First, it is real
The automatic dripping of reagent is showed, intervening without operating personnel can complete sample test；2nd, by motor count sensor to electricity
The control of machine rotating cycle, can be added dropwise the reagent of the amount of meeting the requirements, it is to avoid the error of manual operation at accurate time point；
3rd, amount of reagent supports batch testing, at least tens person-portions in reservoir；4th, controller is according to the total amount of reservoir and every time
Tell whether liquid measure can be exhausted with reagent in automatic identification reservoir, and by null pick-up automatic decision motor return
Zero.Overall complexity of the invention is far below current large automatic analysis and detecting instrument, and large automatic point is included again
The automatic test of detector and multiple measurement characteristicses are analysed, single testing cost is low, and simple structure is cheap, manufacture and install
Simply, while compared to traditional portable detector, the workload of operating personnel can be greatly reduced, it is to avoid manual operation
The error brought, improves testing efficiency.
Brief description of the drawings
Fig. 1 is reagent automatic dripping structure drawing of device provided in an embodiment of the present invention.
Fig. 2 is reagent automatic dripping device workflow diagram provided in an embodiment of the present invention.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give presently preferred embodiments of the present invention.But, the present invention can be realized in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is made to the more thorough of the disclosure understanding
Comprehensively.It should be noted that when an element is considered as " connection " another element, it can be directly to another
Element may be simultaneously present centering elements.Unless otherwise defined, all of technologies and scientific terms used here by the article with
Belong to the implication that those skilled in the art of the invention are generally understood that identical.Made in the description of the invention herein
Term is intended merely to describe the purpose of specific embodiment, it is not intended that in the limitation present invention.Term as used herein
" and/or " include the arbitrary and all of combination of one or more related Listed Items.
Refer to shown in Fig. 1, Fig. 1 is reagent automatic dripping structure drawing of device provided in an embodiment of the present invention.
Reagent automatic dripping device specifically includes controller 1, motor 2 and motor push rod 3 in the present embodiment；The control
Device 1 is connected with motor 2, for the rotating of controlled motor 2；The motor 2 connects motor push rod 3, the rotating of motor 2 by screw mandrel
When drive motor push rod 3 move forward and backward；The piston-advance of reservoir 4 is promoted when motor push rod 3 advances, piston pushes reservoir 4
In reagent be added drop-wise to reaction tank 6 from liquid outlet 5；After reagent is finished in reservoir 4, motor push rod 3 is retreated, for changing liquid storage
Device 4.
The reagent automatic dripping device also includes motor count sensor 7 in the present embodiment；The motor count is passed
The one end of sensor 7 connects controller 1, and other end connection motor 2 is counted, and tied counting for the rotating cycle to motor 2
Fruit is sent to controller 1, and controller 1 judges whether the rotating cycle of motor 2 reaches setting value, and controlled motor 2 is stopped if reaching
Spin-ended turn, the displacement of controlled motor push rod 3 makes the reagent in reservoir 4 enter from the reagent of the discharge set amount of liquid outlet 5
Reaction tank 6.The reaction tank 6 is the cavity volume that reagent is reacted with test sample.
The reagent automatic dripping device further includes null pick-up 8；The null pick-up 8 connects with controller 1
Connect, for detecting whether motor push rod 3 returns to original position, whether motor 2 returns to zero-bit.During concrete application, the zero-bit is passed
Sensor 8 selects fluted body photoelectric sensor, corresponding projection is provided with the motor push rod 3, when fluted body photoelectric transfer
Sensor detect on motor push rod 3 it is raised when, then controller 1 judges that motor push rod 3 has returned to original position, and motor 2 is returned to
Zero-bit.
During work, as shown in Fig. 2 the screw axis of the motor 2 of controller 1 turn clockwise, motor push rod 3 promotes liquid storage
Device 4 is moved to the direction of liquid outlet 5, while controller 1 is counted to the rotating cycle of motor 2, after objective count value is reached, is stopped
Only motor 2, the reagent in reservoir 4 enters reaction tank 6 from the reagent of the discharge set amount of liquid outlet 5, and reagent is anti-with testing sample
Should after obtain test result.Controller 1 is counted after completing once to test to test quantity, is reaching the testing time of setting
Afterwards, that is, think that the reagent in reservoir 4 has been used up, the screw mandrel rotate counterclockwise of motor 2, drive motor push rod 3 retracts, until pushing away
Bar is returned at the position of null pick-up 8, shows that motor 2 has returned to zero-bit, and pointing out operating personnel to change reservoir 4 carries out next group
Test.
Corresponding, the present embodiment is also disclosed a kind of portable tester of application mentioned reagent automatic dripping device, the survey
Examination instrument bag tester body, the tester body includes reagent automatic dripping device, and the reagent automatic dripping device includes
Controller 1, motor 2 and motor push rod 3；The controller 1 is connected with motor 2, for the rotating of controlled motor 2；The electricity
Machine 2 connects motor push rod 3 by screw mandrel, and drive motor push rod 3 moves forward and backward during 2 rotating of motor；When motor push rod 3 advances
The piston-advance of reservoir 4 is promoted, the reagent that piston is pushed in reservoir 4 is added drop-wise to reaction tank 6 from liquid outlet 5；The pilot scale of reservoir 4
After agent is finished, motor push rod 3 is retreated, for changing reservoir 4.
The reagent automatic dripping device also includes motor count sensor 7 and null pick-up 8 in the present embodiment；Institute
State the one end of motor count sensor 7 connection controller 1, other end connection motor 2, carry out by the rotating cycle to motor 2 based on
Number, and count results are sent to controller 1, controller 1 judges whether the rotating cycle of motor 2 reaches setting value, if reaching
Then controlled motor 2 is stopped the rotation, the displacement of controlled motor push rod 3, the reagent in reservoir 4 is spued from liquid outlet 5 and is set
Quantitative reagent enters reaction tank 6.The null pick-up 8 is connected with controller 1, for detecting whether motor push rod 3 returns to
Whether original position, motor 2 returns to zero-bit.During concrete application function, the null pick-up 8 selects fluted body photoelectric sensing
Device, corresponding projection is provided with the motor push rod 3, when fluted body photoelectric sensor is detected on motor push rod 3
When raised, then controller 1 judges that motor push rod 3 has returned to original position, and motor 2 returns to zero-bit.
Technical scheme advantage is as follows：First, the automatic dripping of reagent is realized, is intervened without operating personnel
Complete sample test；2nd, the control by motor count sensor to motor rotating cycle, can be added dropwise at accurate time point
The reagent of the amount of meeting the requirements, it is to avoid the error of manual operation；3rd, amount of reagent supports batch testing in reservoir, at least several
Ten person-portions；4th, controller is according to the total amount of reservoir and each tells whether liquid measure can be disappeared with reagent in automatic identification reservoir
Consumption is finished, and by null pick-up automatic decision motor back to zero.Overall complexity of the invention far below it is current it is large-scale from
Dynamicization analysis and detecting instrument, includes the automatic test of large automatic analysis detector and multiple measurement characteristicses, single inspection again
Low cost is surveyed, simple structure is cheap, manufacture and installation are simple, while compared to traditional portable detector, Neng Gou great
Amplitude reduces the workload of operating personnel, it is to avoid the error that manual operation brings, and improves testing efficiency.
Know-why of the invention is described above in association with specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and can not by any way be construed to limiting the scope of the invention.Based on explanation herein, the technology of this area
Personnel associate other specific embodiments of the invention by would not require any inventive effort, these modes fall within
Within protection scope of the present invention.
Claims (8)
1. a kind of reagent automatic dripping device, it is characterised in that including controller, motor and motor push rod；The controller
With motor connection, for controlled motor rotating；The motor connects motor push rod by screw mandrel, and electricity is driven during motor positive and inverse
Machine push rod moves forward and backward；Reservoir piston is promoted to advance when motor push rod advances, piston pushes the reagent dropwise in reservoir
To reaction tank；After reagent is finished in reservoir, motor push rod is retreated, for changing reservoir.
2. reagent automatic dripping device according to claim 1, it is characterised in that also including motor count sensor；Institute
Motor count sensor one end connection controller is stated, other end connection motor is counted for the rotating cycle to motor, and
Count results are sent to controller, controller root judges whether motor rotating cycle reaches setting value, electricity is controlled if reaching
Machine stops the rotation, the displacement of controlled motor push rod, the reagent in reservoir is entered from the reagent of liquid outlet discharge set amount
Enter reaction tank.
3. the reagent automatic dripping device according to any one of claim 1 or 2, it is characterised in that also sensed including zero-bit
Device；The null pick-up is connected with controller, and for detecting whether motor push rod returns to original position, whether motor returns to zero
Position.
4. reagent automatic dripping device according to claim 3, it is characterised in that the null pick-up selects fluted body
Photoelectric sensor, corresponding projection is provided with the motor push rod, is pushed away when fluted body photoelectric sensor detects motor
During raised on bar, then controller judges that motor push rod has returned to original position, and motor returns to zero-bit.
5. a kind of portable tester of reagent automatic dripping device described in application claim 1, it is characterised in that bag tester
Body, the tester body include reagent automatic dripping device, the reagent automatic dripping device include controller, motor with
And motor push rod；The controller and motor connection, for controlled motor rotating；The motor connects motor and pushes away by screw mandrel
Bar, drive motor push rod moves forward and backward during motor positive and inverse；Reservoir piston is promoted to advance when motor push rod advances, piston is pushed away
The reagent dropwise squeezed in reservoir is to reaction tank；After reagent is finished in reservoir, motor push rod is retreated, for changing reservoir.
6. portable tester according to claim 5, it is characterised in that the reagent automatic dripping device also includes electricity
Machine sensor for countering；Described motor count sensor one end connects controller, other end connection motor, for the rotation to motor
The number of turns is counted, and count results are sent into controller, and controller root judges whether motor rotating cycle reaches setting value,
Controlled motor is stopped the rotation if reaching, the displacement of controlled motor push rod, the reagent in reservoir is spued from liquid outlet
The reagent of set amount enters reaction tank.
7. the portable tester according to any one of claim 5 or 6, it is characterised in that the reagent automatic drip is installed additional
Putting also includes null pick-up；The null pick-up is connected with controller, for detecting whether motor push rod returns to start bit
Put, whether motor returns to zero-bit.
8. portable tester according to claim 7, it is characterised in that the null pick-up selects fluted body photoelectricity
Sensor, corresponding projection is provided with the motor push rod, when fluted body photoelectric sensor is detected on motor push rod
It is raised when, then controller judge motor push rod returned to original position, motor returns to zero-bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611257126.2A CN106706945B (en) | 2016-12-30 | 2016-12-30 | A kind of reagent automatic dripping device and the portable tester using the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611257126.2A CN106706945B (en) | 2016-12-30 | 2016-12-30 | A kind of reagent automatic dripping device and the portable tester using the device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106706945A true CN106706945A (en) | 2017-05-24 |
| CN106706945B CN106706945B (en) | 2018-12-21 |
Family
ID=58905041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611257126.2A Active CN106706945B (en) | 2016-12-30 | 2016-12-30 | A kind of reagent automatic dripping device and the portable tester using the device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106706945B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201307107Y (en) * | 2008-10-31 | 2009-09-09 | 上海精密科学仪器有限公司 | On-line automatic titrator |
| CN101579646A (en) * | 2009-06-19 | 2009-11-18 | 吕志荣 | Electronic pipettor origin calibrating method and special device |
| CN101648153A (en) * | 2009-07-08 | 2010-02-17 | 吕志荣 | Method and special device for automatically identifying suction/discharge mechanism range of electronic pipette |
| CN101738427A (en) * | 2008-11-25 | 2010-06-16 | 上海精密科学仪器有限公司 | On-line automatic potentiometric titration |
| CN204807524U (en) * | 2015-06-11 | 2015-11-25 | 马晓宇 | Multi -functional microcomputer control automatic titration device |
| CN205103269U (en) * | 2015-11-19 | 2016-03-23 | 中国海洋大学 | Continuous injector |
| CN205665217U (en) * | 2016-06-12 | 2016-10-26 | 西华大学 | Full automatic titration analytical equipment |
-
2016
- 2016-12-30 CN CN201611257126.2A patent/CN106706945B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201307107Y (en) * | 2008-10-31 | 2009-09-09 | 上海精密科学仪器有限公司 | On-line automatic titrator |
| CN101738427A (en) * | 2008-11-25 | 2010-06-16 | 上海精密科学仪器有限公司 | On-line automatic potentiometric titration |
| CN101579646A (en) * | 2009-06-19 | 2009-11-18 | 吕志荣 | Electronic pipettor origin calibrating method and special device |
| CN101648153A (en) * | 2009-07-08 | 2010-02-17 | 吕志荣 | Method and special device for automatically identifying suction/discharge mechanism range of electronic pipette |
| CN204807524U (en) * | 2015-06-11 | 2015-11-25 | 马晓宇 | Multi -functional microcomputer control automatic titration device |
| CN205103269U (en) * | 2015-11-19 | 2016-03-23 | 中国海洋大学 | Continuous injector |
| CN205665217U (en) * | 2016-06-12 | 2016-10-26 | 西华大学 | Full automatic titration analytical equipment |
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| Publication number | Publication date |
|---|---|
| CN106706945B (en) | 2018-12-21 |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A reagent automatic dripping device and a portable testing instrument applying the device Effective date of registration: 20231011 Granted publication date: 20181221 Pledgee: Bank of China Co.,Ltd. Wuxi High tech Industrial Development Zone Branch Pledgor: WUXI BOHUISI BIOLOGICAL MEDICINES TECHNOLOGY CO.,LTD. Registration number: Y2023980060540 |
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