CN210584993U - Liquid sample retrieval system - Google Patents
Liquid sample retrieval system Download PDFInfo
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- CN210584993U CN210584993U CN201920366892.5U CN201920366892U CN210584993U CN 210584993 U CN210584993 U CN 210584993U CN 201920366892 U CN201920366892 U CN 201920366892U CN 210584993 U CN210584993 U CN 210584993U
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Abstract
The utility model discloses a liquid sample system of getting back, include: a pipettor for aspirating a liquid sample, an isolation chamber, the pipettor comprising: imbibition appearance body, with this body coupling's pipette, set up in the pipette needle of pipette opening part, the imbibition appearance body is located the isolation chamber outside, the pipette passes the chamber wall of isolation chamber, and the opening of pipette is located the isolation chamber, and liquid sample holds in the sample bottle, and the sample bottle is equipped with sealed lid, and liquid sample retrieval system still includes: and the moving mechanism is used for moving the sample bottle or the liquid sucking needle to enable the sample bottle and the liquid sucking needle to generate relative motion, and the liquid sucking needle punctures the sealing cover of the sample bottle and sucks the liquid sample. In the isolation chamber, the liquid sample in the sample bottle can be extracted without opening the sealing cover, and the liquid sample is used for sucking the liquid sample in the sample bottle which is not convenient to directly contact with the opened cover; and by adopting the design of combining the inside and the outside of the isolation room, the liquid suction instrument can be maintained outside the isolation room.
Description
Technical Field
The utility model belongs to the technical field of liquid sample retrieves, concretely relates to liquid sample retrieves system and application.
Background
A radioactive liquid sample in the process operation of a nuclear fuel post-treatment plant is sampled by a sampling device and then is filled in a sealed sample bottle, and then is transmitted to an analysis hot chamber of an analysis center at the speed of 10 m/s-20 m/s through a stainless steel pipeline of a pneumatic sample transmission system (the analysis hot chamber is a concrete shielding box chamber with a certain thickness, the inner surface of the analysis hot chamber is laid with a stainless steel cladding surface, and the operation in the analysis hot chamber is carried out through a manipulator) or a glove box for sample pretreatment and analysis and detection of various indexes. In order to ensure that the radioactive liquid sample in the sample bottle does not leak during high speed transport, the sealing between the sample bottle and the bottle cap must be very good. After the sample bottle filled with the radioactive material liquid reaches an analysis hot chamber or a glove box of an analysis center, the detection of most analysis indexes needs to take out the radioactive sample in the sample bottle for pretreatment, and then analysis and detection are carried out by using an analysis instrument, except that a few indexes can be automatically analyzed and detected by directly using the sample bottle as a measuring pool without opening a bottle cap. Carrying out uncapping, diluting and subpackaging, preprocessing and other operations on the sample bottle filled with the sample with high specific activity in an analysis hot chamber by using a manipulator; and (4) opening the cover of the sample bottle filled with the sample with low specific activity in the glove box through the gloves, preprocessing and the like. In order to facilitate the transportation of the sample bottles in the pipeline, the volume of the sample bottles is very small (generally, the volume is about 5 mL), the bottle caps have no edges and corners, the operation is very difficult by using a mechanical arm or through gloves, and the samples in the sample bottles are easy to spill out to pollute an analysis hot chamber or a glove box.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to exist among the above-mentioned prior art not enough, provide a liquid sample system of getting back and use, in the isolation chamber, need not to open the sealed lid of sample bottle alright extract out the liquid sample in the sample bottle for the absorption of the liquid sample in the sample bottle that the direct contact of not being convenient for uncapped.
The technical scheme who solves the utility model discloses technical problem adopted provides a liquid sample system of getting back, include: a pipettor for aspirating a liquid sample, an isolation chamber, the pipettor comprising: imbibition appearance body, with this body coupling's pipette, set up in the pipette needle of pipette opening part, the imbibition appearance body is located the isolation chamber outside, the pipette passes the chamber wall of isolation chamber, and the opening of pipette is located the isolation chamber, and liquid sample holds in the sample bottle, and the sample bottle is equipped with sealed lid, and liquid sample retrieval system still includes: and the moving mechanism is used for moving the sample bottle or the liquid sucking needle to enable the sample bottle and the liquid sucking needle to generate relative motion, and the liquid sucking needle punctures the sealing cover of the sample bottle and sucks the liquid sample.
Preferably, the pipettor is a dilution dispenser.
Preferably, the liquid sample retrieval system further comprises: the moving mechanism is used for moving the sample bottle, and the fixing mechanism is used for fixing the liquid suction needle; or the moving mechanism is used for moving the liquid suction needle, and the fixing mechanism is used for fixing the sample bottle.
Preferably, the moving mechanism is used for moving the sample bottle, and the moving mechanism is a jacking mechanism capable of moving up and down.
Preferably, the jacking mechanism includes: the jacking rod that can reciprocate sets up the plummer on the jacking rod, offers the recess that is used for holding the sample bottle on the plummer.
Preferably, the jacking mechanism further comprises: and the fixing piece is used for fixing the sample bottle.
Preferably, the fixing mechanism is used for fixing the pipette needle, and the fixing mechanism includes: the fixed bolster sets up the fixed station on the fixed bolster, and the imbibition needle alternates on the fixed station, and the imbibition appearance still includes: the emptying needle is inserted into the fixed platform, the needle tip of the liquid sucking needle and the needle tip of the emptying needle are positioned on the same side of the fixed platform, and the other end of the emptying needle is positioned on the other side of the fixed platform.
Preferably, the isolation chamber is a hot chamber or a glove box.
Preferably, the pipette comprises a first section of pipette, a second section of pipette and a third section of pipette which are connected in sequence, wherein the first section of pipette is connected with the pipette body, the third section of pipette is positioned in the isolation chamber, and the second section of pipette penetrates through the chamber wall of the isolation chamber.
Preferably, the second pipette section is a rigid tubular member, and the first and third pipette sections are flexible tubular members. The second section of pipette is made of stainless steel, and the first section of pipette and the third section of pipette are made of PEEK.
Preferably, the pipette is positioned through the wall of the isolation chamber at a predetermined height from the bottom wall of the isolation chamber. The preset height value is 1 m.
Preferably, the pipette further comprises: the control panel is arranged on the liquid suction instrument body, and a control component used for controlling liquid suction parameters is arranged on the control panel. The imbibition parameters include: the amount of the feed liquid to be sucked.
Preferably, the liquid sample withdrawing system is applied to withdraw any one or more of a radioactive sample, a toxic sample and a volatile sample.
The utility model discloses a liquid sample system of getting back has following beneficial effect:
(1) in the isolation chamber, the liquid sample in the sample bottle can be extracted without opening a sealing cover of the sample bottle, and the isolation chamber is used for sucking the liquid sample in the sample bottle which is not convenient to directly contact with the opened cover;
(2) the liquid suction instrument can be maintained outside the isolation chamber by adopting a design mode of combining the inside and the outside of the isolation chamber, a liquid suction needle in the isolation chamber punctures a sealing cover of a sample bottle and sucks a liquid sample, the liquid is sucked in the isolation chamber in a sealing mode, the liquid sample in the isolation chamber is effectively prevented from volatilizing and overflowing, all parts in the isolation chamber are easy and convenient to maintain, and the maintenance can be realized by a mechanical arm in the isolation chamber;
(3) the liquid suction instrument has high liquid suction speed, can accurately suck samples with different volumes, and has a simple liquid sample retrieval system mechanism, convenient operation and wide application range;
(4) the size of the parts in the isolation chamber is small, the space occupied by the isolation chamber is small, the isolation chamber is safe and reliable, and the investment of the isolation chamber is reduced.
Drawings
Fig. 1 is a schematic structural view of a liquid sample retrieval system according to embodiment 2 of the present invention.
In the figure: 1-an isolation chamber; 2-imbibition instrument body; 3-a liquid suction needle; 4-sample bottle; 5-sealing cover; 6-a moving mechanism; 7-a fixing mechanism; 8-a jacking rod; 9-a bearing platform; 10-a groove; 11-a fixing member; 12-a fixed support; 13-a stationary table; 14-emptying the needle; 15-first stage pipette; 16-a second section of pipette; 17-a third section of pipette; 18-a first pipe joint; 19-a second pipe joint; 20-control panel.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
The present embodiment provides a liquid sample retrieving system, including: a pipettor for aspirating a liquid sample, an isolation chamber, the pipettor comprising: imbibition appearance body, with this body coupling's pipette, set up in the pipette needle of pipette opening part, the imbibition appearance body is located the isolation chamber outside, the pipette passes the chamber wall of isolation chamber, and the opening of pipette is located the isolation chamber, and liquid sample holds in the sample bottle, and the sample bottle is equipped with sealed lid, and liquid sample retrieval system still includes: and the moving mechanism is used for moving the sample bottle or the liquid sucking needle to enable the sample bottle and the liquid sucking needle to generate relative motion, and the liquid sucking needle punctures the sealing cover of the sample bottle and sucks the liquid sample.
The liquid sample retrieval system in this embodiment has the following beneficial effects:
(1) in the isolation chamber, the liquid sample in the sample bottle can be extracted without opening a sealing cover of the sample bottle, and the isolation chamber is used for sucking the liquid sample in the sample bottle which is not convenient to directly contact with the opened cover;
(2) the isolation chamber is combined with the isolation chamber, the liquid suction instrument can be maintained outside the isolation chamber, a liquid suction needle in the isolation chamber punctures a sealing cover of a sample bottle and sucks a liquid sample, the liquid is sucked in the isolation chamber in a sealing mode, the liquid sample in the isolation chamber is effectively prevented from volatilizing and overflowing, all parts in the isolation chamber are simple and convenient to maintain, and the maintenance can be realized through a mechanical arm in the isolation chamber;
(3) the liquid suction instrument has high liquid suction speed, can accurately suck samples with different volumes, and has a simple liquid sample retrieval system mechanism, simple operation and wide application range;
(4) the size of the parts in the isolation chamber is small, the space occupied by the isolation chamber is small, the isolation chamber is safe and reliable, and the investment of the isolation chamber is reduced.
Example 2
As shown in fig. 1, the present embodiment provides a liquid sample retrieving system, including: a pipettor, isolator 1 for aspirating a liquid sample, the pipettor comprising: imbibition appearance body 2, the pipette of being connected with imbibition appearance body 2, set up in the pipette needle of pipette opening part, imbibition appearance body 2 is located outside isolator 1, and the pipette passes isolator 1's chamber wall, and the opening of pipette is located isolator 1, and liquid sample holds in sample bottle 4, and sample bottle 4 is equipped with sealed lid 5, and liquid sample retrieval system still includes: the moving mechanism 6 is used for moving the sample bottle 4 or the pipette needle 3, so that the sample bottle 4 and the pipette needle 3 generate relative motion, and the pipette needle 3 punctures the sealing cover 5 of the sample bottle 4 and sucks the liquid sample.
Specifically, the liquid sample withdrawal system in this embodiment is used to aspirate radioactive samples. The sealing cover 5 is provided with a rubber area which is convenient for the puncture of the liquid suction needle 3.
In this embodiment, the pipette is a dilution dispenser. Of course, the pipetting instrument can be other instruments for aspirating liquid samples as long as the requirement for aspirating liquid can be met.
Preferably, the liquid sample retrieval system further comprises: the fixing mechanism 7 and the moving mechanism 6 are used for moving the sample bottle 4, and the fixing mechanism 7 is used for fixing the pipette needle 3, or the moving mechanism 6 is used for moving the pipette needle 3, and the fixing mechanism 7 is used for fixing the sample bottle 4. Specifically, the moving mechanism 6 in this embodiment is used to move the sample bottle 4, and the fixing mechanism 7 is used to fix the pipette tip 3. Of course, the moving mechanism 6 may be used to move the pipette needle 3, and the fixing mechanism 7 may be used to fix the sample bottle 4, as long as the sample bottle 4 and the pipette needle 3 can move relatively, and the pipette needle 3 punctures the sealing cap 5 of the sample bottle 4 and sucks the liquid sample.
In the present embodiment, the moving mechanism 6 is used to move the sample bottle 4, and the moving mechanism 6 is a jack mechanism that can move up and down.
It should be noted that, the jacking mechanism in this embodiment includes: jacking rod 8 that can reciprocate sets up plummer 9 on jacking rod 8, offers the recess 10 that is used for holding sample bottle 4 on the plummer 9.
It should be noted that, the jacking mechanism in this embodiment further includes: a fixing member 11 for fixing the sample bottle 4. The fixing member 11 is disposed at the upward opening of the groove 10, and the fixing member 11 is clamped on the sample bottle 4 in the groove 10 so that the sample bottle 4 is fixed in the groove 10.
In the present embodiment, the fixing mechanism 7 is used to fix the pipette needle 3, and the fixing mechanism 7 includes: fixed bolster 12 sets up fixed station 13 on fixed bolster 12, and the imbibition needle 3 alternates on fixed station 13, and the imbibition appearance still includes: and the emptying needle 14 is used for emptying, the emptying needle 14 is inserted on the fixed platform 13, the needle tip of the liquid suction needle 3 and the needle tip of the emptying needle 14 are positioned on the same side of the fixed platform 13, and the other end of the emptying needle 14 is positioned on the other side of the fixed platform 13. The relative movement of the sample bottle 4 and the liquid suction needle 3 close to each other makes the liquid suction needle 3 puncture the sealing cover 5 of the sample bottle 4, and simultaneously, the emptying needle 14 punctures the sealing cover 5 of the sample bottle 4, so that the pressure in the sample bottle 4 is the same as the pressure in the isolation chamber 1. Specifically, the pressure in the isolation room 1 is greater than the pressure when the imbibing instrument absorbs liquid, and the sample bottle 4 is emptied through the emptying needle 14, so that the imbibing instrument is favorable for absorbing the liquid sample in the sample bottle 4.
In this embodiment, the isolation chamber 1 is a hot chamber or a glove box. The hot chamber is a concrete shielding box chamber with a preset thickness, a stainless steel cladding is laid on the inner surface, and operation in the hot chamber is carried out through a manipulator. The thickness of the wall of the concrete wall of the hot chamber is 600-1000 mm (the thickness of the concrete shielding wall is obtained by performing radiation protection calculation according to the source item and the operation amount of the radioactive sample operated in the hot chamber). The hot cell prevents neutrons and gamma rays of the radioactive sample to be diluted or to be measured from causing harm to operators outside the hot cell. Specifically, the isolation chamber 1 in this embodiment is a hot chamber.
It should be noted that the pipette in this embodiment includes a first section of pipette 15, a second section of pipette 16, and a third section of pipette 17 connected in sequence, the first section of pipette 15 is connected to the pipette body 2, the third section of pipette 17 is located in the isolation chamber 1, and the second section of pipette 16 passes through the chamber wall of the isolation chamber 1. The pipette has a predetermined length such that the pipette has sufficient containment volume for the radioactive sample therein when the dilution pipetting system performs dilution pipetting. In particular, the third section of pipette 17 in this embodiment needs to be of sufficient length and packaging capacity so that the aspirated radioactive sample can be retained in the pipette section within the isolation chamber. The first section of pipette 15 is connected with the second section of pipette 16 through a first pipe joint 18, the second section of pipette 16 is connected with the third section of pipette 17 through a second pipe joint 19, and the first pipe joint 18 and the second pipe joint 19 are both in hexagonal thread structures, so that the operation of a manipulator in the isolation chamber 1 and the replacement of the first pipe joint 18 and the second pipe joint 19 as well as the replacement of the second section of pipette 16 and the third section of pipette 17 are facilitated.
In this embodiment, the second pipette 16 is a rigid tubular member, and the first pipette 15 and the third pipette 17 are flexible tubular members. The second length of pipette 16 is made of stainless steel and the rigid second length of pipette 16 is more easily inserted through the chamber wall of the isolation chamber 1. The material of the first segment pipette 15 and the third segment pipette 17 is PEEK.
It should be noted that in this embodiment, the liquid in the liquid suction pipe is prevented from flowing out of the liquid suction pipe by the position where the liquid suction pipe penetrates through the chamber wall of the isolation chamber 1 and the height from the bottom wall of the chamber of the isolation chamber 1 is a predetermined height. The preset height value is 1 m.
It should be noted that, in this embodiment, the liquid suction instrument further includes: a control panel 20 arranged on the imbibition instrument body 2, and a control component for controlling imbibition parameters is arranged on the control panel 20. The imbibition parameters include: the amount of the feed liquid to be sucked. Specifically, the control panel 20 in this embodiment is a touch screen control panel 20, and the control component is a touch screen control component.
The utility model discloses a liquid sample system of getting back has following beneficial effect:
(1) in the isolation chamber 1, the liquid sample in the sample bottle 4 can be extracted without opening the sealing cover 5 of the sample bottle 4, and the liquid sample is used for absorbing the liquid sample in the sample bottle 4 which is not convenient to directly contact with the opened cover;
(2) the design of combining the inside and the outside of the isolation chamber 1 is adopted, the liquid suction instrument can be maintained outside the isolation chamber 1, the liquid suction needle 3 in the isolation chamber 1 punctures the sealing cover 5 of the sample bottle 4 and sucks a liquid sample, the liquid suction is carried out in the isolation chamber 1 in a sealing mode, the liquid sample in the isolation chamber 1 is effectively prevented from volatilizing and overflowing, all parts in the isolation chamber 1 are easy and convenient to maintain, and the maintenance can be realized through a mechanical arm in the isolation chamber 1;
(3) the liquid suction instrument has high liquid suction speed, can accurately suck samples with different volumes, and has a simple liquid sample retrieval system mechanism, simple operation and wide application range;
(4) the parts in the isolation chamber 1 are small in size, the isolation chamber 1 occupies small space, and the isolation chamber is safe and reliable, and reduces the investment of the isolation chamber 1.
Example 3
This example also provides the application of the liquid sample withdrawal system of example 2 above to aspirating and diluting toxic samples.
Example 4
This example also provides the application of the liquid sample withdrawal system of example 2 above to the aspiration and dilution of volatile samples.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (11)
1. A liquid sample retrieval system, comprising: a pipettor for aspirating a liquid sample, an isolation chamber, the pipettor comprising: imbibition appearance body, with this body coupling's pipette, set up in the pipette needle of pipette opening part, the imbibition appearance body is located the isolation chamber outside, the pipette passes the chamber wall of isolation chamber, and the opening of pipette is located the isolation chamber, and liquid sample holds in the sample bottle, and the sample bottle is equipped with sealed lid, and liquid sample retrieval system still includes: and the moving mechanism is used for moving the sample bottle or the liquid sucking needle to enable the sample bottle and the liquid sucking needle to generate relative motion, and the liquid sucking needle punctures the sealing cover of the sample bottle and sucks the liquid sample.
2. The liquid sample retrieval system of claim 1, further comprising: the fixing mechanism is used for fixing the liquid suction needle, or the moving mechanism is used for moving the liquid suction needle, and the fixing mechanism is used for fixing the sample bottle.
3. The liquid sample retrieval system of claim 2, wherein the moving mechanism is for moving the sample bottle, the moving mechanism being a jack mechanism that can move up and down.
4. The liquid sample retrieval system of claim 3, wherein the jacking mechanism comprises: the jacking rod that can reciprocate sets up the plummer on the jacking rod, offers the recess that is used for holding the sample bottle on the plummer.
5. The liquid sample retrieval system of claim 3 or 4, wherein the jacking mechanism further comprises: and the fixing piece is used for fixing the sample bottle.
6. The liquid sample retrieval system according to any one of claims 2 to 4, wherein a fixing mechanism is provided for fixing the pipette, the fixing mechanism comprising: the fixed bolster sets up the fixed station on the fixed bolster, and the imbibition needle alternates on the fixed station, and the imbibition appearance still includes: the emptying needle is inserted into the fixed platform, the needle tip of the liquid sucking needle and the needle tip of the emptying needle are positioned on the same side of the fixed platform, and the other end of the emptying needle is positioned on the other side of the fixed platform.
7. The liquid sample retrieval system of any one of claims 1 to 4, wherein the isolation chamber is a hot chamber or a glove box.
8. The liquid sample retrieval system according to any one of claims 1 to 4, wherein the pipette comprises a first section of pipette, a second section of pipette, and a third section of pipette connected in sequence, the first section of pipette is connected with the pipettor body, the third section of pipette is located in the isolation chamber, and the second section of pipette passes through a chamber wall of the isolation chamber.
9. The liquid sample retrieval system of claim 8, wherein the second section of pipette is a rigid tubular member and the first and third sections of pipette are flexible tubular members.
10. The liquid sample retrieval system according to any one of claims 1 to 4 or 9, wherein the pipette is positioned through the wall of the chamber of the isolation chamber at a predetermined height from the bottom wall of the chamber of the isolation chamber.
11. The liquid sample retrieval system according to any one of claims 1 to 4 and 9, wherein the pipettor further comprises: the control panel is arranged on the liquid suction instrument body, and a control component used for controlling liquid suction parameters is arranged on the control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920366892.5U CN210584993U (en) | 2019-03-21 | 2019-03-21 | Liquid sample retrieval system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920366892.5U CN210584993U (en) | 2019-03-21 | 2019-03-21 | Liquid sample retrieval system |
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| CN210584993U true CN210584993U (en) | 2020-05-22 |
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| CN201920366892.5U Active CN210584993U (en) | 2019-03-21 | 2019-03-21 | Liquid sample retrieval system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471775A (en) * | 2022-01-11 | 2022-05-13 | 中国原子能科学研究院 | Liquid taking and cleaning equipment for sample bottle |
| CN117054160A (en) * | 2023-10-11 | 2023-11-14 | 中国核电工程有限公司 | Automatic powder sampling and bottling equipment |
-
2019
- 2019-03-21 CN CN201920366892.5U patent/CN210584993U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471775A (en) * | 2022-01-11 | 2022-05-13 | 中国原子能科学研究院 | Liquid taking and cleaning equipment for sample bottle |
| CN117054160A (en) * | 2023-10-11 | 2023-11-14 | 中国核电工程有限公司 | Automatic powder sampling and bottling equipment |
| CN117054160B (en) * | 2023-10-11 | 2024-01-23 | 中国核电工程有限公司 | Automatic powder sampling and bottling equipment |
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