CN107597222B - Electronic craft sample injector - Google Patents
Electronic craft sample injector Download PDFInfo
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- CN107597222B CN107597222B CN201710806954.5A CN201710806954A CN107597222B CN 107597222 B CN107597222 B CN 107597222B CN 201710806954 A CN201710806954 A CN 201710806954A CN 107597222 B CN107597222 B CN 107597222B
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Abstract
A kind of electronic manual sample injector include housing main body, the sample-adding control-rod at the top of housing main body, with the spring for being loaded control-rod and connecting.The housing main body has detection module, and detection module is used to detect the movement of sample-adding control-rod.The housing main body is internally provided with processing module, power supply module, piston modules, and the processing module is connect with the power supply module, and the processing module is connect with the detection module, and the processing module is connect with the piston modules.The piston modules include piston, motor, the motor configured with screw rod, and the piston is connect with the screw rod, so that the processing module controls the piston modules.Electronic manual sample injector provided by the invention, is loaded control-rod by manual operations, controls piston motion by processing module Electronic control motor, avoid the operation that manual sample injector is such as fastly beaten and inhale fastly, operating handle is kept, while reducing liquid and hanging drop phenomenon, and improves sample-adding control precision.
Description
Technical field
The present invention relates to biotechnology technical applications, more particularly to a kind of electronic manual sample injector.
Background technique
It is led in medical treatment, drug, 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
It is transferred to another container 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 following problems:
For manual sample injector, directly pressing sample-adding bar control piston carries out sample-adding sampling manually, is also easy to produce and plays generation fastly
The phenomenon that bubble fast soil pick-up dye gun body, when small size liquid feeding, sample-adding control-rod stroke is shorter, and operating experience is bad, sample-adding essence
It spends also not 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
When be easy to produce liquid hang drop the phenomenon that.
Summary of the invention
Based on this, it is necessary to use problem for manual sample injector and electric sample application device are existing, provide a kind of electric hand
Work sample injector.Electronic manual sample injector manual operation sample-adding control-rod disclosed by the invention, Electronic control motor control work in turn
It fills in row sample-adding and avoids the operation beaten fastly fastly inhale, while improving 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 remains unchanged, with can maintain like per family
Operating handle, while reduce liquid hang drop the phenomenon that.
A kind of electronic manual sample injector, sample-adding control-rod including housing main body, 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 connect with the detection module, and the processing module and the piston modules connect
It connects.
The detection module is used to detect the movement of the sample-adding control-rod.
The piston modules include piston, motor, and the motor is configured with screw rod, and the piston is connect with the screw rod,
When 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 connect with the detection module.
The present invention, which passes through, configures detection module, the movement of detection sample-adding control-rod to sample-adding control-rod, and then passes through motor
Piston motion is controlled, so the present invention is it is possible to prevente effectively from play fastly fastly 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 remain unchanged, with the use feel that can be maintained like per family.
The sample-adding control-rod is provided with scale, the scale and the detection module position in one of the embodiments,
Correspondence is set, so that the detection module detects the motion information of the scale.
Input of the motion information of the scale as the measurement processor in one of the embodiments, through handling
Afterwards, the processing module controls the motor, and the screw rod drives the piston motion, to complete to take liquid filling operation.
The processing module further includes display screen, circuit board, controls chip, button in one of the embodiments, described
Circuit board and the display screen, the control chip, the button, the measurement processor, the motor, the power supply module
Connection.
The detection module is displacement sensor in one of the embodiments, and institute's displacement sensors add for detecting
The motion state of sample control-rod.
The piston modules further include piston base, piston spring washer in one of the embodiments, the piston with it is described
Piston base is connected by piston spring washer.
The housing main body, which is additionally provided with, in one of the embodiments, 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
It is provided with pipetting head mounting cylinder, for installing pipetting head, the pipetting head mounting cylinder retires liquid head sleeve inner positioned at described.It presses
Pipetting head button is moved back described in pressure, so that the liquid headgear cylinder of retiring pushes the pipetting head to be detached from the pipetting head mounting cylinder.
The power supply module includes battery and battery cover in one of the embodiments, and the battery gives the processing mould
Block, motor power supply.
The button is touch form or key form in one of the embodiments,.
The housing main body bottom is provided with pipetting head in one of the embodiments,.
The present invention, which passes through, passes to processing module for the motion information for being loaded control-rod, processing module control piston motion into
The operation of row liquid adding and extracting.When remaining liquid in pipetting head, pressing sample-adding control-rod button, triggers motor control piston again
It moves downward, until draining the liquid in pipetting head, solves liquid residue problem in sample injector, improve injection volume precision.
Detailed description of the invention
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 main view of electronic manual sample injector.
Drawing reference numeral explanation:
100 sample-adding 520 processing modules of control-rod button
200 sample-adding 530 power supply modules of control-rod
210 sample-adding 531 battery covers of control-rod scale
220 spring, 532 supplying cell
300 sample-adding 540 piston modules of adjusting knob
400 retire 541 motor of liquid head assembly
410 move back 542 screw rod of pipetting head button
420 retire 543 piston spring washer of liquid headgear cylinder
500 housing main body, 544 piston base
510 monitoring modular, 545 piston
511 first sensor, 546 pipetting head mounting cylinder
512 second sensor, 547 piston scale
513 3rd sensor, 600 display screen
Specific embodiment
In order to which the objects, technical solutions and advantages of the application are more clearly understood, by the following examples, and combine attached
The electronic manual sample injector of the application is further elaborated in figure.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 user experience is bad when solving the problems, such as manual sample injector small size liquid feeding, manual sample injector plays fast suction fastly,
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 will be manually operated in conjunction with Electronic control, solve the problems, such as manual sample injector and electric sample application device.
Referring to Figure 1, a kind of electronic manual sample injector including housing main body 500, is set to 500 top of housing main body
It is loaded the spring 220 of control-rod 200, sample-adding control-rod connection.It is loaded control-rod and adjusts rotation configured with sample-adding button 100, sample-adding
Button 300.
The present invention be provided with it is matched with housing main body 500 retire liquid head assembly 400, including move back 410 He of pipetting head button
Liquid headgear cylinder 420 is retired with move back that pipetting head button 410 connect.Pipetting head button 410 is moved back to be located inside housing main body 500.It moves back
Pipetting head sleeve 420 is located at housing main body bottom.Retiring liquid headgear cylinder 420 is hollow shape, 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 500 bottom of housing main body, one end of pipetting head mounting cylinder 546 with
545 fixing seat 544 of piston connection, for installing pipetting head.Pipetting head button 410 is moved back in pressing, pushes away so as to retire liquid headgear cylinder 420
Dynamic pipetting head is detached 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 connect with power supply module 530, and processing module 520 is connect 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 on housing main body 500.Above-mentioned control button is used for and adds
Sample adjusting knob 300 is equipped with sample-adding number and injection volume.Display screen is for showing 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 mounted on the sample-adding adjusting knob 300 on sample-adding control-rod 200, the first sensor being loaded on adjusting knob 300
511 detection rotation angles, speed, acceleration.First sensor 511 and processing module 500 pass through regulation button connection, place
It manages module 500 and receives 511 signal processing of first sensor, processing module 500 controls motor 541, and motor 541 passes through screw rod 542
The setting work of parameter needed for controlling the movement completion user of piston 545.The detection sample-adding control-rod 200 of second sensor 512
Movement, second sensor 512 and processing module 500 are by sample-adding control-rod connection, and processing module 500 is to second sensor
After 512 signal processings, processing module 500 controls motor 541, and motor 541 controls the telemechanical of piston 545 by screw rod 542.Third
Sensor 513 is connect with piston 545, and 3rd sensor 513 is used to detect the mobile distance of piston 545, and the number that will test
According to being transmitted to processing module 500.545 moving distance of piston is converted to sample volume by processing module 500, and is added with electronic craft
The comparison of sample device preset vol.
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 connect with first sensor 511, second sensor 512,3rd sensor 513, circuit
Plate is connect 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 acquires and handles first sensor 511, second sensor 512, the information of 3rd sensor 513,
It controls motor 541 and controls the movement of screw rod 542, and then control piston 545 and move up and down.
Power supply module 530 includes battery 531 and battery cover 532, and battery 531 is connect with the power module of processing module 500,
It powers 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 connect with screw rod 542, and piston 545 and piston base 544 pass through piston spring washer 543
Connection.Piston 545 is connect with pipetting head mounting cylinder 546.Processing module 500 is connect with 545 module of piston, and processing module 500 is controlled
The movement of piston 545 processed.
The present invention passes through the detection module 510 configured, the movement of detection sample-adding control-rod 200, so the present invention can have
Effect avoids the operation beaten fastly fastly inhale.In addition, electronic manual sample injector provided by the invention, no matter injection volume size, sample-adding control
200 stroke of bar processed remains unchanged, 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, mating to be mounted on sample-adding control-rod 200
On, it is fixed on 500 top of housing main body.Liquid feeding volume can be set by rotary sample addition adjusting knob 300, quickly rotation can be real
The now transformation from minimum range to maximum range.The quick rotary sample addition adjusting knob 300 of user, the acquisition of first sensor 511 add
Rotation angle, angular speed, the angular acceleration information of sample adjusting knob 300, and measurement processor is sent information to, detection processing
Device handles the information of sample-adding adjusting knob 300.Processing result is sent to control chip by measurement processor, controls chip
Instruction is sent, control chip is connect with motor 541, and instruction of the motor 541 according to control chip controls the relatively high speed fortune of piston
It is dynamic, the initial setting of injection volume target range is rapidly completed.Next, at a slow speed rotary sample addition adjusting knob 300 carry out it is micro-
It adjusts, instruction of the motor 541 according to control chip, controls piston microinching, electronic craft sample injector enters fine tuning mode, sets
To accurate target value.
Press the button on housing main body 500, the display sample-adding number set interface of display screen 600, with setting injection volume
When direction of rotation on the contrary, rotary sample addition adjusting knob 300 carry out sample-adding 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 is corresponding, so that second sensor 512 detects the motion information of scale 220.The acquisition sample-adding control-rod of second sensor 512
200 motion information, including speed, acceleration, displacement.And sample-adding 200 information of control-rod is sent to measurement processor, it detects
Processor analyzes the motion information of sample-adding control-rod 200, improper when occurring such as fastly beating and inhale fastly in user's use process
When operation, measurement processor rectifies 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 there are liquid residual, pressing sample-adding control-rod button 100, the triggering sample-adding movement of control-rod 200 are electronic again
Manual sample injector gets residual liquid.
Further, Fig. 5 is referred to, piston 545 is provided with scale 547, can be mobile with piston 545.3rd sensor 513
The moving distance of piston 545 is detected by detecting the moving distance of scale 547.Measurement processor receives and processes detection letter
Breath, 545 moving distance of piston is converted to sample volume by measurement processor, and is compared with electronic manual sample injector preset vol.
Processing result is sent to control chip by measurement processor, and control motor 541 works.Motor 541 is mobile by control screw rod 542
It is mobile to control piston 545, 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
It instructs out.
When sample volume not equal preset vols, measurement processor feeds back information to control chip, and control chip issues
Instruction, processing module 500 control motor 541 and work, by changing 545 position change sample volume of piston until being equal to default body
Product.
Further, power supply module is located at housing main body inner tip, corresponding with sample-adding 300 position of adjusting knob.Battery
531 are connect by battery line with the power module of processing module 500.
Further, it is provided with certain space on 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 being arranged on housing main body, including touch-induction-type or touch-tone any one or other
Working forms.
Optionally, the button being arranged on housing main body, working forms do not limit to above-mentioned touch-induction-type or key
Formula is able to satisfy switching sample injector operating mode.
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 acquire and handle the information of sensor, and processing result is sent to control core by measurement processor
Piece, triggering motor 541 work.Motor 541 is mobile mobile to control piston 545 by control screw rod 542, to complete corresponding behaviour
Make.
In a specific embodiment, 300 fast setting of rotary sample addition adjusting knob electronic manual sample injector takes liquid
Volume, pressing user press the button being arranged on housing main body, select corresponding operating mode, operate electronic manual sample injector and add
Sample control-rod carries out taking liquid and filling operation.
During taking liquid, user presses sample-adding control-rod button 100, and scale 210 is moved with sample-adding control-rod 200,
Spring 220 compresses, the motion information of the detection sample-adding control-rod 200 of second sensor 512, and the movement that will be loaded control-rod 200
Information be sent to processing module 520 handled and generate control motor 541 move instruction, motor 541 control screw rod 542 to
Upper movement, piston 545 are moved upwards with screw rod 542, and increase takes liquid product, until liquid needed for taking liquid product to be equal to 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 is moved with sample-adding control-rod 200,
Spring 220 compresses, the motion information of the detection sample-adding control-rod 200 of second sensor 512, and the movement that will be loaded control-rod 200
Information is sent to processing module 520 and is handled and generated the instruction that control motor 541 moves, the control control screw rod of motor 541
542 move downward, and piston 545 is moved downward with screw rod 542, and electronic craft 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 craft sample injector solves liquid and beats asking not to the utmost
Topic improves injection volume precision.
In liquid feeding or during take liquid, user presses sample-adding control-rod button 100, no matter injection volume size, add
The stroke of sample control-rod 200 remains unchanged, it is ensured that and it is identical using feel in different injection volumes, improve user's body
It tests.
User presses the button being arranged on housing main body, for converting various operating modes.User presses above-mentioned button, choosing
Select mixing operating mode；Then pressing pressing sample-adding control-rod button 100, sample loading gun mixes liquid.
User presses sample-adding control-rod button 100, and scale 210 is moved with sample-adding control-rod 200, and spring 220 compresses, the
The motion information of two sensors 512 detection sample-adding control-rod 200, and processing is sent by the motion information for being loaded control-rod 200
Module 520 is handled and is generated the instruction that control motor 541 moves, and motor 541 controls screw rod 542 and moves 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 is controlled by motor 541, is prevented as fast in beaten fastly
The abnormal operations such as suction.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those 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 guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of electronic manual sample injector, which is characterized in that
Sample-adding control-rod including housing main body, at the top of housing main body, the spring being connect with the sample-adding control-rod；
The sample-adding control-rod is equipped with sample-adding adjusting knob；The sample-adding adjusting knob is for setting liquid feeding volume, and with setting
The movement travel of the change of the fixed liquid feeding volume sample-adding control-rod remains unchanged；
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 connection, the processing module are connect with the power supply module, and the processing module is connect with the piston modules；
The detection module is used to detect the movement of the sample-adding control-rod and the sample-adding adjusting knob；
The processing module includes measurement processor, and the measurement processor is connect with the detection module；The piston modules
Including piston, motor, the motor is configured with screw rod, and the screw rod is connect with the piston, and the processing module is according to
Sample-adding adjusting knob setting liquid feeding fixing fabric structure described in piston motion complete the setting liquid feeding volume take liquid or add
Liquid operation.
2. electronic manual sample injector according to claim 1, which is characterized in that
The sample-adding control-rod is provided with sample-adding button and scale, and the scale is corresponding with the detection module position, so that institute
State the motion information that detection module detects the scale.
3. electronic manual sample injector according to claim 2, which is characterized in that
Input of the motion information of the scale as the measurement processor, after processing, described in the processing module control
Motor movement, the screw rod drive the piston motion, to complete to take liquid filling operation.
4. electronic manual sample injector according to claim 1, which is characterized in that
The processing module further 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 connection.
5. electronic manual sample injector according to claim 1, which is characterized in that
The detection module is displacement sensor, and institute's displacement sensors are used to detect the motion state of sample-adding control-rod.
6. electronic manual sample injector according to claim 1, which is characterized in that
The piston modules further include piston base, piston spring washer, and the piston is connected with the piston base by piston spring washer
It connects.
7. electronic manual sample injector according to claim 1, which is characterized in that
The housing main body, which is additionally provided with, moves back pipetting head button, with it is described move back that pipetting head button connect 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
It states and retires liquid head sleeve inner.
8. electronic manual sample injector according to claim 1, which is characterized in that
The 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, which is characterized in that
The button includes one kind of touch form or keystroke pattern, for converting various operating modes.
10. electronic manual sample injector according to claim 1, which is characterized in that
The 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 CN107597222A (en) | 2018-01-19 |
| CN107597222B true 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 |
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| CN (1) | CN107597222B (en) |
Families Citing this family (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 |
| CN112517098B (en) * | 2020-12-01 | 2022-05-03 | 重庆市开州区华兰生物单采血浆有限公司 | 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 |
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| Publication number | Publication date |
|---|---|
| CN107597222A (en) | 2018-01-19 |
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