CN109387652A - A kind of novel injection pump - Google Patents
A kind of novel injection pump Download PDFInfo
- Publication number
- CN109387652A CN109387652A CN201710658715.XA CN201710658715A CN109387652A CN 109387652 A CN109387652 A CN 109387652A CN 201710658715 A CN201710658715 A CN 201710658715A CN 109387652 A CN109387652 A CN 109387652A
- Authority
- CN
- China
- Prior art keywords
- synchronous pulley
- connect
- motor
- sliding block
- ball screw
- 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.)
- Pending
Links
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
- G01N35/1002—Reagent dispensers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- 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
- G01N35/08—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a stream of discrete samples flowing along a tube system, e.g. flow injection analysis
- G01N35/085—Flow Injection Analysis
-
- 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
-
- 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
- G01N35/1004—Cleaning sample transfer devices
-
- 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
Abstract
The present invention provides a kind of novel injection pump, including pump housing fixed block, sliding block, guide post, ball screw, syringe, rotary valve, optocoupler piece, grating displacement sensor, synchronous pulley, synchronous belt, valve motor, driving motor and circuit board, wherein, guide post and ball screw are connect with sliding block, one end of syringe is connect with rotary valve, and the other end is connect with sliding block；Synchronous pulley includes upper and lower synchronous pulley, and driving motor is connect with lower synchronous pulley, and upper synchronous pulley is connect with ball screw；The test side of grating displacement sensor is fixed on sliding block, is formed relative motion with test side according to sliding block is mobile, is detected location parameter；One end of valve motor is connect with rotary valve, and the other end of valve motor is connect with optocoupler piece, and novel injection pump provided by the invention not only increases the accuracy and precision of reagent pipetting volume amount, it is thus also avoided that cross contamination of reagent needle during loading reagent.
Description
Technical field
The present invention relates to chemical illumination immunity analysis instrument fields more particularly to a kind of novel injection to pump.
Background technique
In chemical illumination immunity analysis instrument, reagents loaded draws a certain amount of reagent by the syringe of syringe pump, and
The a certain amount of reagent of absorption is filled into reaction cup by syringe, it is common to complete with sample silicate reagent in being incubated for disk
Incubation and luminescence-producing reaction, but existing syringe pump is difficult to control its precision during sample-adding, and is loading a reagent
Afterwards, it is easy to cause the cross contamination of reagent needle.
Currently, patent of invention " syringe pump " patent No. is 201110457213.3 using pressure-detecting device and injects in head
The top of portion connects, and may be implemented to detect the pressure in injection pipeline, still, is difficult to control during injecting pipeline injection
The precision of system injection sample, and after injection, the cross contamination of reagent needle is avoided without corresponding component actuation.
Summary of the invention
For above-mentioned defect existing in the prior art, the present invention provides a kind of novel injection pumps, not only increase examination
The accuracy and precision of agent sample-adding amount, while also avoiding the cross contamination of reagent needle during loading reagent.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of novel injection pump, including it is the pump housing, solid
Determine block, sliding block, guide post, ball screw, syringe, rotary valve, optocoupler piece, grating displacement sensor, synchronous pulley, synchronous belt,
Valve motor, driving motor and circuit board；
The guide post and the ball screw are connected with the slide block, and play the role of motion guide；
One end of the syringe is connect with the rotary valve, and the other end is connected with the slide block, and syringe pump is with driving electricity
Machine moves reciprocatingly, and is drawn and filled reagent；
The quantity of the synchronous pulley is 2, and arrangement up and down；Synchronous pulley passes through the synchronous band connection；
The driving motor is connect with one of synchronous pulley, and another synchronous pulley and the ball screw connect
It connects；
The synchronous pulley and the synchronous belt rotate the ball screw under driving motor driving, and drive
The sliding block is mobile；
The test side of the grating displacement sensor is fixed on the slide block, forms phase with test side according to sliding block is mobile
To movement, location parameter is detected, the injection volume of syringe is accurately calculated, guarantees the accurate precision of sample-adding amount；
One end of the valve motor is connect with the rotary valve, and the switching of fluid path may be implemented；The valve motor it is another
End is connect with the optocoupler piece, and the rotation step number that stepper motor may be implemented on the optocoupler of circuit board calculates.
Preferably, the optocoupler piece is set to the circuit board, and the digital optocoupler that the optocoupler piece is set to the circuit board is examined
The motor rotation step number is surveyed, valve is driven to rotate to form switching.
Preferably, the syringe includes injection-tube and plunger, and the injection-tube uses quartz glass, and the plunger uses
PTFE material, cooperation precision is high, and long service life, good airproof performance effectively prevents from revealing.
Preferably, the valve motor and the driving motor are all made of high-precision stepper motor, and high-precision stepper motor can
Motor step is refined away from control is more accurate.
Preferably, the guide post and the ball screw are fixed on the pump housing fixed block.
It compares with the prior art, the beneficial effect comprise that:
1, a certain amount of reagent of absorption can be filled into reaction cup by syringe by novel injection pump provided by the invention
In, it may be implemented to accurately control sample-adding precision；
2, for novel injection pump provided by the invention after loading a reagent, syringe pump closes note by the switching of rotary valve
Emitter opens the access with valve, thinks to inject deionized water in pipeline by the unlatching of rotary valve, keep reagent needle complete in service sink
It is cleaned at reagent needle, avoids the cross contamination of reagent needle；
3, injection-tube uses quartz glass in novel injection pump provided by the invention, and plunger uses PTFE material, both
The selection of material improves the cooperation precision of syringe pump, extends service life, improves leakproofness, efficiently solves injection
Pump conduit leakage problem；
4, novel injection provided by the invention pump not only increases working efficiency, also achieve automatic sample and cleaning from
Dynamic control；
5, the present invention uses grating displacement sensor system, accurate to count for accurately measuring the shift motion of injection-tube
The injection volume of syringe is calculated, guarantees the accurate precision of sample-adding amount.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is top view of the present invention；
In the accompanying drawings, 1, pump housing fixed block, 2, sliding block, 3, guide post, 4, ball screw, 5, syringe, 6, rotary valve, 7,
Optocoupler piece, 8, grating displacement sensor, 9, synchronous pulley, 10, synchronous belt, 11, valve motor, 12, driving motor, 13, circuit
Plate.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention are described in detail.
In Fig. 1 and novel injection shown in Fig. 2 pump, guide post (3) and ball screw (4) are fixed on pump housing fixed block (1)
On, guide post (3) and ball screw (4) are connect with sliding block (2), play the role of motion guide；One end of syringe (5) and rotation
Valve (6) connection, the other end are connect with sliding block (2)；Synchronous pulley (9) is divided into upper and lower two belt wheels, and upper and lower two belt wheels are logical
Cross synchronous belt (10) connection；Driving motor (12) is connect with lower synchronous pulley, and ball screw (4) is connect with upper synchronous pulley；Together
Step belt wheel (9) and synchronous belt (10) rotate ball screw (4) under the driving of driving motor (12), and with movable slider (2)
It is mobile；
The test side of grating displacement sensor (8) is fixed on sliding block (2), is formed according to sliding block (2) are mobile with test side
Relative motion detects location parameter；One end of valve motor (11) is connect with rotary valve (6), and the other end is connect with optocoupler piece (7)；
Optocoupler piece (7) is set on circuit board (13), and optocoupler piece is set to the rotation step number of the digital optocoupler detection motor of circuit board.
Syringe (5) includes injection-tube and plunger, and wherein injection-tube uses quartz glass, and plunger uses PTFE material, matches
It is high to close precision, long service life, good airproof performance effectively prevents from revealing.
Valve motor (11) and driving motor (12) are all made of high-precision stepper motor, and high-precision stepper motor can refine motor
Step pitch controls more accurate.
Novel injection pump provided by the invention at work, starts driving motor (12), and driving motor (12) driving synchronizes
Belt wheel (9), synchronous pulley (9) drive ball screw (4) rotation, and ball screw (4) drives the sliding block (2) being attached thereto edge to lead
Column (3) moves left and right, and because of the limition orientation of guide post (3) and fixed plate, sliding block (2) is made to move reciprocatingly；Syringe (5) and cunning
Block (2) is connected, and the moving left and right of sliding block (2) will drive syringe (5) and do bilateral reciprocation, is drawn and filled reagent；
Sliding block (2) is also connected with the Grating glass of grating displacement sensor (8) simultaneously, and sliding block movement can drive pattern displacement to sense
Device moves simultaneously；The circuit read module of grating displacement sensor (8) is connected with pump housing fixed block (1), is fixed on a positioning
It sets not with sliding block movement, it is possible thereby to read the displacement of certain precision by grating displacement sensor (8), and passes through circuit board and remember
Record accurate location；The liquid capacity that syringe is calculated by the mobile position of syringe, realizes the accuracy of load amount of reagent.
Valve motor (11) are driven to drive rotary valve (6) rotation, rotary valve (6) is connect with syringe (5), passes through rotary valve
(6) switching of 5 injection pipeline of syringe may be implemented in rotation；When valve motor (11) rotates, pass through optocoupler piece (7) and circuit
Digital optocoupler on plate (13) counts, and accurately reaches the required angle of rotary valve (6), realize in syringe (5) injection reagent and
Draw the power and energy of reagent；Switch rotary valve (6) simultaneously and arrive the fluid path that syringe (5) are closed, make the valve road of deionized water with
Reagent needle is identical, when the valve for injecting deionized water is opened, injects deionized water, realizes cleaning reagent needle.
A series of detailed description illustrating only for feasible embodiment of the invention described above,
They are not to limit the scope of the invention, in the knowledge that the technical field those of ordinary skill has
Interior, the various change made without departing from the purpose of the present invention all belongs to the scope of protection of the present invention.
Claims (6)
1. a kind of novel injection pump, including pump housing fixed block, sliding block, guide post, ball screw, syringe, rotary valve, optocoupler piece,
Grating displacement sensor, synchronous pulley, synchronous belt, valve motor, driving motor and circuit board, which is characterized in that the guide post and
The ball screw is connected with the slide block, and plays the role of motion guide；One end of the syringe and the rotary valve connect
It connects, the other end is connected with the slide block；The synchronous pulley includes upper and lower synchronous pulley, the lower synchronous pulley and the drive
Dynamic motor connection, the upper synchronous pulley are connect with the ball screw；The test side of the grating displacement sensor is fixed on
On the sliding block, relative motion is formed with test side according to sliding block is mobile, detects location parameter；One end of the valve motor and institute
Rotary valve connection is stated, the other end of the valve motor is connect with the optocoupler piece；The optocoupler piece is set to the circuit board, described
The digital optocoupler that optocoupler piece is set to the circuit board detects the motor and rotates step number.
2. a kind of novel injection pump described in claim 1, which is characterized in that the upper synchronous pulley and the lower synchronous pulley
Pass through the synchronous band connection.
3. a kind of novel injection pump as claimed in claim 2, which is characterized in that the synchronous pulley and the synchronous pulley are in institute
Stating rotates the ball screw under driving motor driving, and drives the sliding block mobile.
4. a kind of novel injection pump described in claim 1, which is characterized in that the syringe includes injection-tube and plunger, institute
Injection-tube is stated using quartz glass, the plunger uses PTFE material.
5. a kind of novel injection pump described in claim 1, which is characterized in that the valve motor and the driving motor are all made of
High-precision stepper motor.
6. a kind of novel injection pump described in claim 1, which is characterized in that the guide post and the ball screw are fixed on institute
State pump housing fixed block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710658715.XA CN109387652A (en) | 2017-08-04 | 2017-08-04 | A kind of novel injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710658715.XA CN109387652A (en) | 2017-08-04 | 2017-08-04 | A kind of novel injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109387652A true CN109387652A (en) | 2019-02-26 |
Family
ID=65413069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710658715.XA Pending CN109387652A (en) | 2017-08-04 | 2017-08-04 | A kind of novel injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109387652A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020059945A1 (en) * | 1998-05-29 | 2002-05-23 | Romaine Maiefski | Sample wash station assembly |
| JP2004162647A (en) * | 2002-11-14 | 2004-06-10 | Hoyutec Kk | Syringe pump device |
| CN2862041Y (en) * | 2005-12-13 | 2007-01-24 | 深圳迈瑞生物医疗电子股份有限公司 | Single needle sampling apparatus for full-automatic biochemistry analyzer |
| CN102033133A (en) * | 2009-09-30 | 2011-04-27 | 北京量质科技有限公司 | Automatic precision loading device |
| CN103143083A (en) * | 2013-03-25 | 2013-06-12 | 苏州泽德医疗器械有限公司 | Injection finishing control method of syringe injection pump |
| CN103191485A (en) * | 2013-03-25 | 2013-07-10 | 苏州泽德医疗器械有限公司 | Injector push pump |
| CN103323614A (en) * | 2013-04-10 | 2013-09-25 | 安徽皖仪科技股份有限公司 | Multipath-switching reliable high-precision injection pump device |
| CN105353058A (en) * | 2015-11-02 | 2016-02-24 | 上海盛拓医疗器械有限公司 | Automatic reversing liquid phase injection pump |
| CN207123538U (en) * | 2017-08-04 | 2018-03-20 | 河北艾驰生物科技有限公司 | A kind of novel injection pump |
-
2017
- 2017-08-04 CN CN201710658715.XA patent/CN109387652A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020059945A1 (en) * | 1998-05-29 | 2002-05-23 | Romaine Maiefski | Sample wash station assembly |
| JP2004162647A (en) * | 2002-11-14 | 2004-06-10 | Hoyutec Kk | Syringe pump device |
| CN2862041Y (en) * | 2005-12-13 | 2007-01-24 | 深圳迈瑞生物医疗电子股份有限公司 | Single needle sampling apparatus for full-automatic biochemistry analyzer |
| CN102033133A (en) * | 2009-09-30 | 2011-04-27 | 北京量质科技有限公司 | Automatic precision loading device |
| CN103143083A (en) * | 2013-03-25 | 2013-06-12 | 苏州泽德医疗器械有限公司 | Injection finishing control method of syringe injection pump |
| CN103191485A (en) * | 2013-03-25 | 2013-07-10 | 苏州泽德医疗器械有限公司 | Injector push pump |
| CN103323614A (en) * | 2013-04-10 | 2013-09-25 | 安徽皖仪科技股份有限公司 | Multipath-switching reliable high-precision injection pump device |
| CN105353058A (en) * | 2015-11-02 | 2016-02-24 | 上海盛拓医疗器械有限公司 | Automatic reversing liquid phase injection pump |
| CN207123538U (en) * | 2017-08-04 | 2018-03-20 | 河北艾驰生物科技有限公司 | A kind of novel injection pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10859589B2 (en) | Full-automatic biochemical analyzer, and sampling device and sampling method thereof | |
| CN202075285U (en) | Minitype rotating disc type full-automatic immunoluminescence analysis system capable of adding sample in whole disc | |
| CN103969459B (en) | A kind of full-automatic biochemical analysis method | |
| CN103389386B (en) | Portable three-differential blood cell analyzer liquid path system and method thereof | |
| CN102033133A (en) | Automatic precision loading device | |
| CN207123538U (en) | A kind of novel injection pump | |
| CN101881737B (en) | Method and device for testing platelet aggregation | |
| CN101982779B (en) | Automatic sampling mechanism of analytical instrument | |
| CN104034908A (en) | Novel full-automatic biochemical analyzer | |
| CN103743916A (en) | Full-automatic chemiluminiscence immunoassay analyzer | |
| CN201166632Y (en) | Automatic tester for blood flow deformation | |
| CN107843583A (en) | A kind of micro-fluidic chemiluminescent analyzer and application method | |
| CN207380068U (en) | A kind of micro-fluidic chemiluminescent analyzer | |
| CN104374934A (en) | Method for carrying out sampling by using full-automatic biochemical analyzer | |
| CN104374935A (en) | Sampling device of fully automatic biochemical analyzer | |
| CN204269660U (en) | The sample transfer device of Automatic Blood Cell Analyzer | |
| CN207611061U (en) | A kind of micro-fluidic chip sampling device based on over-pressure control | |
| CN113820195A (en) | Multichannel parallel pretreatment device | |
| CN104062457A (en) | Automatic sample feeding device for detecting chemical oxygen demand of water quality | |
| CN109387652A (en) | A kind of novel injection pump | |
| CN101504418B (en) | Bioassay sensor | |
| CN204269662U (en) | Automatic Blood Cell Analyzer | |
| CN104826542A (en) | Reagent continuous quantitative injection device | |
| CN201673104U (en) | Full automatic double-station rheogeniometer | |
| CN204735190U (en) | Continuous quantitative injection device of reagent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |