CN107597222A - Electronic manual sample injector - Google Patents
Electronic manual sample injector Download PDFInfo
- Publication number
- CN107597222A CN107597222A CN201710806954.5A CN201710806954A CN107597222A CN 107597222 A CN107597222 A CN 107597222A CN 201710806954 A CN201710806954 A CN 201710806954A CN 107597222 A CN107597222 A CN 107597222A
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- piston
- sample
- processing module
- rod
- main body
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Abstract
A kind of electronic manual sample injector includes housing main body, the sample-adding control-rod at the top of housing main body, the spring being connected with the sample-adding control-rod.The housing main body has detection module, and detection module is used for the motion for detecting sample-adding control-rod.The housing main body is internally provided with processing module, power supply module, piston modules, and the processing module is connected with the power supply module, and the processing module is connected with the detection module, and the processing module is connected with the piston modules.The piston modules include piston, motor, the motor and are configured with screw rod, and the piston is connected with the screw rod, so that the processing module controls the piston modules.Electronic manual sample injector provided by the invention, control-rod is loaded by manual operations, piston movement is controlled by processing module Electronic control motor, avoid manual sample injector such as the operation beaten soon soon inhale, operating handle is kept, while reduces liquid and hangs drop phenomenon, and improves sample-adding control accuracy.
Description
Technical field
The present invention relates to biotechnology technical applications, more particularly to a kind of electronic manual sample injector.
Background technology
Led in medical treatment, medicine, gene and protein research, biological study, drug development and other biotechnology applications
In domain, it is often necessary to utilize sample injector operation laboratory sample.Sample injector is used to move into the liquid of preset vol in suction pipe, and
Another container is transferred to one or more times.
Existing sample injector include manually and electronic two kinds.When using manual sample injector and electric sample application device, inventor
It was found that problems with：
For manual sample injector, directly pressing sample-adding bar controls piston to carry out sample-adding sampling manually, is also easy to produce and plays generation soon
The phenomenon of bubble fast soil pick-up dye gun body, during small size liquid feeding, sample-adding control-rod stroke ratio is shorter, and operating experience is bad, sample-adding essence
Degree is not also high.For electric sample application device, liquid feeding directly is carried out by function key, does not operate the feel of sample-adding, and Rapid Freon-feeding
Shi Rongyi produces the phenomenon that liquid hangs drop.
The content of the invention
Based on this, it is necessary to for using problem existing for manual sample injector and electric sample application device, there is provided a kind of electric hand
Work sample injector.The electronic manual manually operated sample-adding control-rod of sample injector disclosed by the invention, Electronic control motor and then control are lived
Fill in row sample-adding and avoid the operation beaten soon soon inhale, while improve the experience that user is loaded using the small size of manual sample injector,
Improve sample-adding precision.In addition no matter injection volume size, the sample-adding control throw of lever keeps constant, with can maintain like per family
Operating handle, while reduce liquid hang drop phenomenon.
A kind of electronic manual sample injector, including housing main body, the sample-adding control-rod at the top of housing main body, with it is described plus
The spring of sample control-rod connection.
The housing main body is provided with detection module, processing module, power supply module, piston modules, the processing module with
The power supply module connection, the processing module are connected with the detection module, and the processing module connects with the piston modules
Connect.
The detection module is used for the motion for detecting the sample-adding control-rod.
The piston modules include piston, motor, and the motor is configured with screw rod, and the piston is connected with the screw rod,
During so that the processing module controlling the motor, the piston abnormal operation is prevented.
The processing module includes measurement processor, and the measurement processor is connected with the detection module.
The present invention passes through motor by configuring detection module, the motion of detection sample-adding control-rod to sample-adding control-rod
Piston movement is controlled, so the present invention is it is possible to prevente effectively from play soon soon inhale operation.In addition, electronic sample-adding by hand provided by the invention
Device, no matter injection volume size, sample-adding control the throw of lever keep it is constant, with the use feel that can be maintained like per family.
In one of the embodiments, the sample-adding control-rod is provided with scale, the scale and the detection module position
Put correspondingly, so that the detection module detects the movable information of the scale.
In one of the embodiments, input of the movable information of the scale as the measurement processor, through processing
Afterwards, the processing module controls the motor, and the screw rod drives the piston movement, to complete to take liquid filling operation.
In one of the embodiments, the processing module also includes display screen, circuit board, control chip, button, described
Circuit board and the display screen, the control chip, the button, the measurement processor, the motor, the power supply module
Connection.
In one of the embodiments, the detection module is displacement transducer, and institute's displacement sensors are used to detect and added
The motion state of sample control-rod.
In one of the embodiments, the piston modules also include piston base, piston spring washer, the piston with it is described
Piston base is connected by piston spring washer.
In one of the embodiments, the housing main body, which is additionally provided with, moves back pipetting head button, with it is described move back pipetting head by
Button connection is to retire liquid headgear cylinder, and the liquid headgear cylinder of retiring is located at the housing main body bottom.The housing main body bottom
Pipetting head mounting cylinder is provided with, for installing pipetting head, the pipetting head mounting cylinder retires liquid head sleeve inner positioned at described.Press
Pipetting head button is moved back described in pressure, so that the liquid headgear cylinder of retiring promotes the pipetting head to depart from the pipetting head mounting cylinder.
In one of the embodiments, the power supply module includes battery and battery cover, and the battery gives the processing mould
Block, motor power supply.
In one of the embodiments, the button is touch form or button form.
In one of the embodiments, the housing main body bottom is provided with pipetting head.
By the way that the movable information for being loaded control-rod is passed into processing module, processing module control piston movement enters the present invention
Row liquid adding and extracting operates.When remaining liquid in pipetting head, pressing sample-adding control-rod button, triggers motor control piston again
Move downward, until draining the liquid in pipetting head, solve the problems, such as liquid residue in sample injector, improve injection volume precision.
Brief description of the drawings
Fig. 1 is the explosive view of electronic manual sample injector.
Fig. 2 is the system construction drawing of electronic manual sample injector.
Fig. 3 is the parameter adjustment control structure chart of electronic manual sample injector.
Fig. 4 is the sample adding device structure chart of electronic manual sample injector.
Fig. 5 is the feedback regulation structure drawing of device of electronic manual sample injector.
Fig. 6 is the front view of electronic manual sample injector.
Drawing reference numeral explanation：
The processing module of 100 sample-adding control-rod button 520
The 200 sample-adding power supply modules of control-rod 530
The battery cover of 210 sample-adding control-rod scale 531
The supplying cell of 220 spring 532
The 300 sample-adding piston modules of adjusting knob 540
400 retire the motor of liquid head assembly 541
410 move back the screw rod of pipetting head button 542
420 retire the piston spring washer of liquid headgear cylinder 543
The piston base of 500 housing main body 544
The piston of 510 monitoring modular 545
The pipetting head mounting cylinder of 511 first sensor 546
The piston scale of 512 second sensor 547
The display screen of 513 3rd sensor 600
Embodiment
In order that the object, technical solution and advantage of the application are more clearly understood, by the following examples, and combine attached
Figure, the electronic manual sample injector of the application is further elaborated.It should be appreciated that specific embodiment described herein
Only to explain the present invention, it is not intended to limit the present invention.
In order to Consumer's Experience is bad when solving the problems, such as manual sample injector small size liquid feeding, manual sample injector is beaten soon soon inhales,
The liquid of electric sample application device is hung the problem of drop, and the present invention provides a kind of electronic manual sample injector, electronic craft provided by the invention
Sample injector is combined manually operated with Electronic control, solves the problems, such as manual sample injector and electric sample application device.
Refer to Fig. 1, a kind of electronic manual sample injector, including housing main body 500, it is arranged at the top of housing main body 500
It is loaded control-rod 200, the spring 220 of sample-adding control-rod connection.Sample-adding control-rod is configured with sample-adding button 100, sample-adding regulation rotation
Button 300.
The present invention be provided with housing main body 500 it is supporting retire liquid head assembly 400, including move back the He of pipetting head button 410
Liquid headgear cylinder 420 is retired with move back that pipetting head button 410 is connected.Pipetting head button 410 is moved back to be located inside housing main body 500.Move back
Pipetting head sleeve 420 is located at housing main body bottom.It is hollow shape to retire liquid headgear cylinder 420, and pipetting head mounting cylinder 546, which is located at, to move back
Inside pipetting head sleeve 420.Pipetting head mounting cylinder 546 is located at the bottom of housing main body 500, one end of pipetting head mounting cylinder 546 with
The fixed seat 544 of piston 545 connects, for installing pipetting head.Pipetting head button 410 is moved back in pressing, is pushed away so as to retire liquid headgear cylinder 420
Dynamic pipetting head departs from pipetting head mounting cylinder 546.
Housing main body 500 is internally provided with detection module 510, processing module 520, power supply module 530, piston modules 540.
Processing module 520 is connected with power supply module 530, and processing module 520 is connected with detection module 510, processing module 520 and piston mould
Block 540 connects.
Sample-adding control-rod button 100 and display screen 600 are provided with housing main body 500.Above-mentioned control button is used for adding
Sample adjusting knob 300 is equipped with sample-adding number and injection volume.Display screen is used to show injection volume and sample-adding number.
Detection module 510 mainly includes first sensor 511, second sensor 512,3rd sensor 513.First sensing
Device 511 is arranged on the sample-adding adjusting knob 300 on sample-adding control-rod 200, the first sensor being loaded on adjusting knob 300
The 511 detection anglecs of rotation, speed, acceleration.First sensor 511 passes through regulation button connection, place with processing module 500
Manage module 500 and receive the signal transacting of first sensor 511, the controlled motor 541 of processing module 500, motor 541 passes through screw rod 542
The motion of piston 545 is controlled to complete the setting work of parameter needed for user.The detection sample-adding control-rod 200 of second sensor 512
Motion, second sensor 512 is with processing module 500 by being loaded control-rod connection, and processing module 500 is to second sensor
After 512 signal transactings, the controlled motor 541 of processing module 500, motor 541 controls the telemechanical of piston 545 by screw rod 542.3rd
Sensor 513 is connected with piston 545, and 3rd sensor 513 is used for the distance for detecting the movement of piston 545, and the number that will be detected
According to transmitting to processing module 500.The displacement of piston 545 is converted to sample volume by processing module 500, and is added with electronic craft
Sample device preset vol contrasts.
Refer to Fig. 2, processing module 500 includes circuit board, welding measurement processor on circuit boards, is welded on circuit
Control chip on plate.Measurement processor is connected with first sensor 511, second sensor 512,3rd sensor 513, circuit
Plate is connected with display screen 600, control chip, button, measurement processor, motor 541, power supply module 530.Control chip is located at electricity
On the plate of road.Processing module 500 gathers and handles first sensor 511, second sensor 512, the information of 3rd sensor 513,
Controlled motor 541 controls screw rod 542 to move, and then controls piston 545 to move up and down.
Power supply module 530 includes battery 531 and battery cover 532, and battery 531 is connected with the power module of processing module 500,
Powered for motor 541, processing module 500, detection module 510.
Piston modules include piston 545, motor 541, piston base 544, piston spring washer 543, pipetting head mounting cylinder 546,
Motor 541 is configured with screw rod 542, and piston 545 is connected with screw rod 542, and piston 545 passes through piston spring washer 543 with piston base 544
Connection.Piston 545 is connected with pipetting head mounting cylinder 546.Processing module 500 is connected with the module of piston 545, and processing module 500 is controlled
The motion of piston 545 processed.
The present invention passes through the detection module 510 configured, the motion of detection sample-adding control-rod 200, so the present invention can have
Effect avoids the operation beaten soon soon inhale.In addition, electronic manual sample injector provided by the invention, no matter injection volume size, sample-adding control
The stroke of bar 200 processed keeps constant, with the use feel that can be maintained like per family.
Further, Fig. 3 is referred to, sample-adding adjusting knob 300 is provided with circular hole, supporting to be arranged on sample-adding control-rod 200
On, it is fixed on the top of housing main body 500.Liquid feeding volume can be set by rotary sample addition adjusting knob 300, quick rotation can be real
The now conversion from minimum range to maximum range.The quick rotary sample addition adjusting knob 300 of user, the collection of first sensor 511 add
The anglec of rotation, angular speed, the angular acceleration information of sample adjusting knob 300, and measurement processor is sent information to, detection process
Device is handled the information for being loaded adjusting knob 300.Result is sent to control chip, control chip by measurement processor
Instruction is sent, control chip is connected with motor 541, instruction of the motor 541 according to control chip, controls the relatively high speed fortune of piston
It is dynamic, it is rapidly completed the initial setting of injection volume target range.Next, at a slow speed rotary sample addition adjusting knob 300 carry out it is micro-
Adjust, instruction of the motor 541 according to control chip, control piston microinching, electronic manual sample injector enters fine setting pattern, sets
To accurate desired value.
The button on housing main body 500 is pressed, the display sample-adding number of display screen 600 sets interface, with setting injection volume
When direction of rotation on the contrary, rotary sample addition adjusting knob 300 carry out be loaded number setting.
Further, Fig. 4 is referred to, sample-adding control-rod 200 is provided with scale 220, scale 220 and second sensor 512
Position correspondence, so that second sensor 512 detects the movable information of scale 220.The collection sample-adding control-rod of second sensor 512
200 movable information, including speed, acceleration, displacement.And the sample-adding information of control-rod 200 is sent to measurement processor, detect
Processor to be loaded control-rod 200 movable information analyze, during user's use occur such as soon beat and inhale soon it is improper
During operation, measurement processor is rectified a deviation to abnormal operation, and control chip sends accurately instruction.Control chip and motor
541 connections, instruction campaign of the motor 541 according to control chip are accurate to complete to take liquid filling operation.
When liquid residue be present, pressing sample-adding control-rod button 100, triggers sample-adding control-rod 200 and moves again, electronic
Manual sample injector gets the liquid of residual.
Further, Fig. 5 is referred to, piston 545 is provided with scale 547, can be moved with piston 545.3rd sensor 513
The displacement of piston 545 is detected by detecting the displacement of scale 547.Measurement processor receives and processing detection letter
Breath, the displacement of piston 545 is converted to sample volume by measurement processor, and is contrasted with electronic manual sample injector preset vol.
Result is sent to control chip by measurement processor, and controlled motor 541 works.Motor 541 is by controlling screw rod 542 to move
To control piston 545 to move, to sample or be loaded.
When sample volume is equal to preset vol, measurement processor feeds back information to control chip, and control chip is not sent out
Go out instruction.
When sample volume does not wait preset vol, measurement processor feeds back information to control chip, and control chip is sent
Instruction, the controlled motor 541 of processing module 500 work, and change sample volume until equal to default body by changing the position of piston 545
Product.
Further, power supply module is located at housing main body inner tip, with being loaded the position correspondence of adjusting knob 300.Battery
531 are connected by battery line with the power module of processing module 500.
Further, certain space is provided with housing main body, for installing display screen 600.Display screen 600 and processing mould
Block 520 connects, for showing the information such as injection volume and sample-adding number.
Further, the button set on housing main body, including touch-induction-type or touch-tone any one or other
Working forms.
Alternatively, the button set on housing main body, its working forms do not limit to above-mentioned touch-induction-type or button
Formula, it can meet to switch sample injector mode of operation.
Further, the application refers to first sensor 511, second sensor 512,3rd sensor 513.It can select
Select one of those or two or three.When user carries out experimental implementation using the electronic manual sample injector of the application, triggering is not
Same sensor, measurement processor are gathered and handle the information of sensor, and result is sent to control core by measurement processor
Piece, triggering motor 541 work.Motor 541 is by controlling the movement of screw rod 542 to control piston 545 to move, to complete corresponding behaviour
Make.
In a specific embodiment, the electronic manual sample injector of the fast setting of rotary sample addition adjusting knob 300 takes liquid
Volume, pressing user press the button set on housing main body, select corresponding mode of operation, operate electronic manual sample injector and add
Sample control-rod carries out taking liquid and filling operation.
During liquid is taken, user presses sample-adding control-rod button 100, and scale 210 moves with sample-adding control-rod 200,
Spring 220 compresses, the movable information of the detection sample-adding control-rod 200 of second sensor 512, and the motion that will be loaded control-rod 200
Information be sent to processing module 520 handled and generate controlled motor 541 motion instruction, motor 541 control screw rod 542 to
Upper motion, piston 545 move upwards with screw rod 542, and increase takes liquid to accumulate, until taking liquid product to be equal to the liquid needed for user
Volume.Meanwhile display screen 600 shows the numerical value for taking liquid.
During liquid feeding, user presses sample-adding control-rod button 100, and scale 210 moves with sample-adding control-rod 200,
Spring 220 compresses, the movable information of the detection sample-adding control-rod 200 of second sensor 512, and the motion that will be loaded control-rod 200
Information is sent to the instruction that processing module 520 is handled and generates the motion of controlled motor 541, the control control screw rod of motor 541
542 move downward, and piston 545 moves downward with screw rod 542, and electronic manual sample injector starts liquid feeding.Until draining pipetting head
Interior liquid.When remaining liquid in pipetting head, sample-adding control-rod button 100 can be pressed again, and triggering motor 541 controls
Piston 545 moves downward, until draining the liquid in pipetting head.In this way, electronic manual sample injector, which solves liquid, beats asking not to the utmost
Topic, improve injection volume precision.
In liquid feeding or during taking liquid, user presses sample-adding control-rod button 100, no matter injection volume size, add
The stroke of sample control-rod 200 keeps constant, it is ensured that and it is identical using feel in the case of different injection volumes, improve user's body
Test.
User presses the button set on housing main body, for converting various mode of operations.User presses above-mentioned button, choosing
Select mixing mode of operation；Then pressing pressing sample-adding control-rod button 100, sample loading gun mixes to liquid.
User presses sample-adding control-rod button 100, and scale 210 moves with sample-adding control-rod 200, and spring 220 compresses, the
The movable information of two sensors 512 detection sample-adding control-rod 200, and the movable information for being loaded control-rod 200 is sent to processing
Module 520 is handled and generates the instruction of the motion of controlled motor 541, and motor 541 controls screw rod 542 to move up and down.So nothing
Sample-adding control-rod button 100 how is pressed by user, the up and down motion of screw rod 542 controls by motor 541, prevents from beating soon as fast
The abnormal operations such as suction.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. electronic manual sample injector, it is characterised in thatSample-adding control-rod including housing main body, at the top of housing main body, the spring being connected with the sample-adding control-rod；The housing main body is provided with detection module, processing module, power supply module, piston modules, the detection module with it is described Processing module is connected, and the processing module is connected with the power supply module, and the processing module is connected with the piston modules；The detection module is used for the motion for detecting the sample-adding control-rod；The processing module includes measurement processor, and the measurement processor is connected with the detection module；The piston modules Including piston, motor, the motor is configured with screw rod, and the screw rod is connected with the piston, so that the processing module controls The piston movement.
- 2. electronic manual sample injector according to claim 1, it is characterised in thatThe sample-adding control-rod is provided with sample-adding button and scale, the scale and the detection module position correspondence, so that institute State the movable information that detection module detects the scale.
- 3. electronic manual sample injector according to claim 2, it is characterised in thatInput of the movable information of the scale as the measurement processor, after processing, described in the processing module control Motor movement, the screw rod drive the piston movement, to complete to take liquid filling operation.
- 4. electronic manual sample injector according to claim 1, it is characterised in thatThe processing module also includes display screen, circuit board, control chip, button；It is the circuit board and the display screen, the control chip, the button, the measurement processor, the motor, described Power supply module connects.
- 5. electronic manual sample injector according to claim 1, it is characterised in thatThe detection module is displacement transducer, and institute's displacement sensors are used for the motion state for detecting sample-adding control-rod.
- 6. electronic manual sample injector according to claim 1, it is characterised in thatThe piston modules also include piston base, piston spring washer, and the piston is connected with the piston base by piston spring washer Connect.
- 7. electronic manual sample injector according to claim 1, it is characterised in thatThe housing main body, which is additionally provided with, moves back pipetting head button, with it is described move back pipetting head button connects is to retire liquid headgear cylinder, The liquid headgear cylinder of retiring is located at the housing main body bottom；The housing main body bottom is provided with pipetting head mounting cylinder, and for installing pipetting head, the pipetting head mounting cylinder is located at institute State and retire liquid head sleeve inner.
- 8. electronic manual sample injector according to claim 1, it is characterised in thatThe power supply module includes battery and battery cover, and the battery is powered to the processing module, the motor.
- 9. electronic manual sample injector according to claim 4, it is characterised in thatThe button includes touch form or one kind of keystroke pattern, for converting various mode of operations.
- 10. electronic manual sample injector according to claim 1, it is characterised in thatThe housing main body bottom is provided with pipetting head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710806954.5A CN107597222B (en) | 2017-09-08 | 2017-09-08 | Electronic craft sample injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710806954.5A CN107597222B (en) | 2017-09-08 | 2017-09-08 | Electronic craft sample injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107597222A true CN107597222A (en) | 2018-01-19 |
| CN107597222B CN107597222B (en) | 2019-09-27 |
Family
ID=61061977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710806954.5A Active CN107597222B (en) | 2017-09-08 | 2017-09-08 | Electronic craft sample injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107597222B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108519493A (en) * | 2018-04-17 | 2018-09-11 | 贵州省中国科学院天然产物化学重点实验室 | A kind of sensing system of autopipette |
| CN112517098A (en) * | 2020-12-01 | 2021-03-19 | 夏季 | Time-delay pressure-compensating pipettor for biomedical laboratory |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5389341A (en) * | 1992-06-24 | 1995-02-14 | Labsystems Oy | Knob pipette |
| TW200907322A (en) * | 2007-06-29 | 2009-02-16 | Rainin Instr Llc | Hybrid manual-electronic pipette |
| CN102378649A (en) * | 2008-09-23 | 2012-03-14 | 安恩生物技术有限公司 | Electronic piston stroke pipette |
-
2017
- 2017-09-08 CN CN201710806954.5A patent/CN107597222B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5389341A (en) * | 1992-06-24 | 1995-02-14 | Labsystems Oy | Knob pipette |
| TW200907322A (en) * | 2007-06-29 | 2009-02-16 | Rainin Instr Llc | Hybrid manual-electronic pipette |
| CN102378649A (en) * | 2008-09-23 | 2012-03-14 | 安恩生物技术有限公司 | Electronic piston stroke pipette |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108519493A (en) * | 2018-04-17 | 2018-09-11 | 贵州省中国科学院天然产物化学重点实验室 | A kind of sensing system of autopipette |
| CN112517098A (en) * | 2020-12-01 | 2021-03-19 | 夏季 | Time-delay pressure-compensating pipettor for biomedical laboratory |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107597222B (en) | 2019-09-27 |
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