CN205861711U - A kind of sample needle mechanism of blood type analytical instrument - Google Patents
A kind of sample needle mechanism of blood type analytical instrument Download PDFInfo
- Publication number
- CN205861711U CN205861711U CN201620683606.4U CN201620683606U CN205861711U CN 205861711 U CN205861711 U CN 205861711U CN 201620683606 U CN201620683606 U CN 201620683606U CN 205861711 U CN205861711 U CN 205861711U
- Authority
- CN
- China
- Prior art keywords
- needle body
- sample
- needle
- detection module
- analytical instrument
- 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.)
- Expired - Fee Related
Links
- 239000008280 blood Substances 0.000 title claims abstract description 14
- 210000004369 blood Anatomy 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 8
- 230000008520 organization Effects 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
This utility model relates to the sample needle mechanism of a kind of blood type analytical instrument, including needle body, for controlling the micro pump of needle body absorption sample and for the needle body moving control mechanism driving needle body to move, described micro pump is connected with needle body upper port by the liquid pipe arranged, described needle body is provided with the sample-adding detection module for detectable liquid level, and described sample-adding detection module electrically connects with needle body moving control mechanism.Described sample-adding detection module includes the capacitance sensor for detecting reagent liquid level position and for controlling the photoelectric sensor that needle body resets, needle body is made quick and precisely to reset by sample-adding detection module, after moving down detection sample liquid level, move to sample liquid level certain highly with pipette samples, be prevented effectively from and cause because height of specimen is inconsistent drawing less than sample or being drawn to wrong sample.
Description
Technical field
This utility model relates to blood analyzing apparatus field, the sample needle machine of a kind of blood type analytical instrument
Structure.
Background technology
For solve prior art problem, this utility model use in blood type analytical instrument, generally utilize sample needle to enter
Row sampling and sample-adding operation.During sample-adding, sample needle may cause because sample placing height is different drawing less than sample
Or it is drawn to the sample of mistake so that there is bigger error in experimental result.
Utility model content
Technical problem to be solved in the utility model is to overcome deficiency of the prior art, it is provided that one can be to required
The sample needle mechanism of the blood type analytical instrument that sample is accurately loaded.
Technical scheme is:
The sample needle mechanism of a kind of blood type analytical instrument, including needle body, for controlling micro pump and the use of needle body absorption sample
In the needle body moving control mechanism driving needle body to move, described micro pump is connected with needle body upper port by the liquid pipe arranged, institute
State needle body and be provided with the sample-adding detection module for detecting needle body position, described sample-adding detection module and needle body moving control mechanism
Electrical connection.
Described sample-adding detection module includes the capacitance sensor for detecting reagent liquid level position and for controlling needle body again
The photoelectric sensor of position.When sample needle carries out sample-adding operation, detect reagent liquid level by capacitance sensor, and by liquid level position
Signal is transferred to needle body moving control mechanism, it is to avoid the needle body position of sample needle is improper；When being once loaded operation and completing, pass through
Photoelectric sensor controls needle body moving control mechanism makes needle body proper reset, to facilitate use next time.
Further, described needle body moving control mechanism includes fixing body and is located at the motor of fixing body one end, fixing body
Being provided with the bar hole of up/down perforation, needle body runs through described bar hole and makees moving of horizontal direction along bar hole.
Further, described needle body upper end is provided with and runs through bar hole for realizing the sample-adding that needle body makees the motion of vertical direction
Tooth bar.
Further, described motor includes the Z axis motor moved making vertical direction for controlling needle body along bar hole；Z
Spindle motor drives sample-adding tooth bar to move up and down by drive mechanism and then drives needle body to make the motion of vertical direction；Described motor is also
Including the y-axis motor moved making horizontal direction for controlling needle body along bar hole.
Compared with prior art, this utility model is provided with the sample-adding detection module for detecting needle body position, described sample-adding
Detection module includes the capacitance sensor for detecting reagent liquid level position and for controlling the photoelectric sensor that needle body resets, logical
Cross needle body when sample-adding detection module controls sample-adding to be in correct position and be loaded, and needle body can be quick at the end of being loaded
Parking position accuracy, is prevented effectively from needle body load position incorrect and destroy reagent.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of this utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further explained explanation.Accompanying drawing being merely cited for property explanation, it is impossible to
It is interpreted as restriction of the present utility model；In order to the present embodiment is more preferably described, some parts of accompanying drawing have omission, amplify or contract
Little；To those skilled in the art, in accompanying drawing, some known features and explanation thereof may will be understood by omission.
As it is shown in figure 1, the sample needle mechanism of a kind of blood type analytical instrument, draw sample including needle body 1, for controlling needle body 1
Micro pump 2 and for driving the needle body moving control mechanism that needle body 1 moves, described micro pump 2 is by the liquid pipe 3 arranged and pin
Body 1 upper port connects, and described needle body 1 is provided with the sample-adding detection module 8 for detecting needle body position, described sample-adding detection module
8 electrically connect with needle body moving control mechanism.
Described sample-adding detection module 8 includes the capacitance sensor for detecting reagent liquid level position and for controlling needle body 1
The photoelectric sensor resetted.When sample needle carries out sample-adding operation, detect reagent liquid level by capacitance sensor, it is to avoid sample needle
Needle body 1 position improper；When being once loaded operation and completing, control needle body 1 proper reset by photoelectric sensor.
Described needle body moving control mechanism includes fixing body 4 and is located at the motor of fixing body 4 one end, and fixing body 4 is provided with
Under through bar hole 9, needle body runs through described bar hole 9.Described motor includes moving down along bar hole 9 for controlling needle body 1
Dynamic Z axis motor 5 and make the y-axis motor 6 moved of horizontal direction along bar hole 9 for controlling needle body 1.Needle body 1 upper end is provided with
Run through bar hole 9 for realizing the sample-adding tooth bar 7 that needle body makees the motion of vertical direction.Z axis motor 5 is driven by drive mechanism and adds
Sample tooth bar 7 moves up and down and then drives needle body 1 to make the motion of vertical direction.When operation, by Z axis motor 5 and y-axis motor 6
Cooperate to ensure needle body 1 move accurately.
Obviously, above-described embodiment of the present utility model is only for clearly demonstrating this utility model example, and
It it is not the restriction to embodiment of the present utility model.Other multi-form can also be made on the basis of the above description
Change or variation, here without also giving exhaustive to all of embodiment.All in spirit of the present utility model and principle
Within any amendment, equivalent and the improvement etc. made, should be included in this utility model scope of the claims it
In.
Claims (5)
1. a sample needle mechanism for blood type analytical instrument, including needle body, for control needle body draw sample micro pump and for
Driving the needle body moving control mechanism that needle body moves, described micro pump is connected with needle body upper port by the liquid pipe arranged, and it is special
Levying and be, described needle body is provided with the sample-adding detection module for detectable liquid level, and described sample-adding detection module moves with needle body
Dynamic controlling organization electrical connection.
The sample needle mechanism of blood type analytical instrument the most according to claim 1, it is characterised in that described sample-adding detection module bag
Include the capacitance sensor for detecting reagent liquid level position and for controlling the photoelectric sensor that needle body resets.
The sample needle mechanism of blood type analytical instrument the most according to claim 1, it is characterised in that described needle body moves control machine
Structure includes fixing body and is located at the motor of fixing body one end, and fixing body is provided with the bar hole of up/down perforation, and needle body runs through described bar
Moving of horizontal direction is also made along bar hole in shape hole.
The sample needle mechanism of blood type analytical instrument the most according to claim 3, it is characterised in that described needle body upper end is provided with to be passed through
Wear bar hole for realizing the sample-adding tooth bar that needle body makees the motion of vertical direction.
The sample needle mechanism of blood type analytical instrument the most according to claim 4, it is characterised in that described motor includes for controlling
Needle body processed makees the Z axis motor moved of vertical direction along bar hole；Z axis motor drives sample-adding tooth bar to transport up and down by drive mechanism
Motion that is dynamic and then that drive needle body to make vertical direction；Described motor also includes making horizontal direction along bar hole for controlling needle body
The y-axis motor of motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620683606.4U CN205861711U (en) | 2016-06-29 | 2016-06-29 | A kind of sample needle mechanism of blood type analytical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620683606.4U CN205861711U (en) | 2016-06-29 | 2016-06-29 | A kind of sample needle mechanism of blood type analytical instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205861711U true CN205861711U (en) | 2017-01-04 |
Family
ID=57645070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620683606.4U Expired - Fee Related CN205861711U (en) | 2016-06-29 | 2016-06-29 | A kind of sample needle mechanism of blood type analytical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205861711U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021097612A1 (en) * | 2019-11-18 | 2021-05-27 | 深圳迈瑞生物医疗电子股份有限公司 | Pusher, sample loading mechanism and method, and computer-readable storage medium |
| CN113376391A (en) * | 2021-07-09 | 2021-09-10 | 广州蓝勃生物科技有限公司 | Get liquid device and full-automatic immunoassay appearance |
-
2016
- 2016-06-29 CN CN201620683606.4U patent/CN205861711U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021097612A1 (en) * | 2019-11-18 | 2021-05-27 | 深圳迈瑞生物医疗电子股份有限公司 | Pusher, sample loading mechanism and method, and computer-readable storage medium |
| CN113376391A (en) * | 2021-07-09 | 2021-09-10 | 广州蓝勃生物科技有限公司 | Get liquid device and full-automatic immunoassay appearance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 |