CN211488910U - Cleaning system and sample analyzer - Google Patents
Cleaning system and sample analyzer Download PDFInfo
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- CN211488910U CN211488910U CN201922131146.0U CN201922131146U CN211488910U CN 211488910 U CN211488910 U CN 211488910U CN 201922131146 U CN201922131146 U CN 201922131146U CN 211488910 U CN211488910 U CN 211488910U
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Abstract
The utility model provides a cleaning system and a sample analyzer, wherein the cleaning system comprises a first container, a first scouring unit, a liquid filler and a liquid adding needle; the first container is used for storing cleaning liquid; the first flushing unit is connected between the liquid filler and the first container, and is used for filtering the cleaning liquid, pressurizing the filtered cleaning liquid and then sending the pressurized cleaning liquid into the liquid filler; the liquid filler is connected with the liquid adding needle. So, first wash out the cleaning solution of unit in with first container and take out, then filter, send to the liquid filler after the pressurization in, the liquid filler is connected in the liquid feeding needle, so the cleaning solution after the pressure filtration can the rapid movement to the liquid feeding needle to probably the adhesion plug formation impulsive force on the liquid feeding needle, and then effectively discharge the plug when wasing liquid feeding needle inner wall. The sample analyzer includes the above-described cleaning system, and thus has all the advantageous effects of the cleaning system.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, more specifically say, relate to a cleaning system and sample analyzer.
Background
In a sample analyzer, a sample is usually sucked by a sampling needle and then placed into a reaction cup, a reagent is sucked by a reagent needle and then discharged into the reaction cup to react with the sample, and then a detection result is obtained; wherein, the sampling needle and the reagent needle are liquid adding needles for sucking and discharging liquid, which are named after different specific purposes. In many medical testing projects, it is often necessary to test samples or apply reagents having self-solidifying properties, and therefore filling needles that come into direct contact with these samples or reagents are often subject to problems of clogging of the needle tip.
For example, in the analysis of coagulation items, since the sample is a blood sample with self-coagulation property, it is often necessary to block the needle tip of the filling needle by blood clots, and there are also cases where the needle tip is blocked by blood clots due to inadvertent contact with the blood sample during the filling of the filling needle with a reagent, which may affect the accuracy of the amount of the reagent and the sample added, thereby seriously affecting the detection result.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cleaning system and sample analyzer to solve the technical problem that the liquid feeding needle jam often appears in the sample analyzer.
In order to achieve the above object, the utility model adopts the following technical scheme: providing a cleaning system and a sample analyzer, comprising a first container, a first flushing unit, a liquid filler and a liquid adding needle;
the first container is used for storing cleaning liquid;
the first flushing unit is connected between the liquid feeder and the first container and used for filtering the cleaning liquid, pressurizing the filtered cleaning liquid and then feeding the pressurized cleaning liquid into the liquid feeder;
the liquid filler is connected to the liquid adding needle.
Further, the first flushing unit comprises a first pump body and a first valve body which are connected with each other, the first pump body is connected with the first container, and the first valve body is connected with the liquid filler.
Further, the first flushing unit further comprises a first filter element connected between the first flushing unit and the first container.
Furthermore, the cleaning system also comprises a second valve body and a cleaning pool for cleaning the outer wall of the liquid adding needle, and the second valve body is connected between the first pump body and the cleaning pool.
Further, the cleaning system further comprises a second container for containing waste liquid, and a second pump body connected between the cleaning pool and the second container.
Further, the cleaning system also comprises a pressure sensor for detecting hydraulic pressure, and the pressure sensor is arranged between the liquid filler and the liquid adding needle.
Further, the cleaning system also comprises a second flushing unit connected between the liquid charger and the liquid adding needle, and the second flushing unit outputs high-pressure fluid to the liquid adding needle.
Further, the second flushing unit comprises a third pump body and a third valve body, the third valve body is provided with a first channel and a second channel, the first channel is communicated with the liquid adding needle and the liquid adding device, and the second channel is communicated with the liquid adding needle and the third pump body.
Further, the third pump body is an air pump.
The utility model also provides a sample analyzer, sample analyzer includes detection device, analytical equipment, controlling means and foretell cleaning system, add the liquid needle to locating add liquid in the reaction cup in the detection device, controlling means electric connection in detection device reaches analytical equipment.
The utility model provides a cleaning system, with first scouring unit connection between liquid filler and first container, first scouring unit is used for taking out the cleaning solution in the first container, then filter, send to in the liquid filler after the pressurization, the liquid filler is connected in the liquid needle, so cleaning solution after the pressurization filters can the rapid motion to the liquid needle that adds to probably adhesion plug formation impulsive force on the liquid needle, and then effectively discharge the plug when wasing liquid feeding needle inner wall.
The utility model provides a sample analyzer includes above-mentioned cleaning system, therefore possesses whole beneficial effect of this cleaning system.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a cleaning system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a cleaning system according to another embodiment of the present invention;
fig. 3 is a block diagram schematically illustrating a structure of a sample analyzer according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10. cleaning the system; 100. a first container; 200. a first flushing unit; 210. a first pump body; 220. a first valve body; 230. a first filter member; 240. a three-way pipe; 300. a liquid feeder; 400. a liquid adding needle; 500. a second valve body; 600. a cleaning tank; 700. a second container; 800. a second pump body; 900. a pressure sensor; 1000. a second flushing unit; 1010. a third pump body; 1020. a third valve body; 1100. a second filter member; 1200. fixing a bracket; 20. a detection device; 30. an analysis device; 40. and a control device.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 and 2 together, a cleaning system 10 according to the present invention will now be described.
The cleaning system 10 is used for a sample analyzer, such as a blood coagulation analyzer, the cleaning system 10 includes a first container 100, a first flushing unit 200, a liquid filler 300 and a liquid adding needle 400, the first container 100 is used for storing a cleaning liquid, the first flushing unit 200 is connected between the liquid filler 300 and the first container 100 and used for pumping out the cleaning liquid in the first container 100, then the cleaning liquid is filtered and pressurized and then sent into the liquid filler 300, the liquid filler 300 is connected to the liquid adding needle 400, so that the pressurized and filtered cleaning liquid can rapidly move to the liquid adding needle 400, an impulsive force is generated on a blocking object possibly adhered to the liquid adding needle 400, and the blocking object is effectively discharged while the inner wall of the liquid adding needle 400 is cleaned.
Of course, in other embodiments of the present invention, the first flushing unit 200 can also omit the filtering function, and the inner wall of the liquid feeding needle 400 can be cleaned and flushed by directly using distilled water and the cleaning liquid with high purity, which is not limited herein.
In this embodiment, the liquid charger 300 is preferably a syringe, and the up-and-down movement of the piston controls the liquid adding needle 400 to suck or discharge liquid, that is, the liquid charger 300 controls the liquid adding needle 400 to perform the liquid taking and adding actions. Of course, in other embodiments of the present invention, the liquid charger 300 may be a power element with other structures, and is not limited herein.
The first flushing unit 200 comprises a first pump body 210, a first valve body 220 and a first filter 230, wherein the first pump body 210 is connected to the first container 100 through a liquid conveying pipeline, the first valve body 220 is connected between the first pump body 210 and the liquid charger 300, and the first filter 230 is arranged between the first container 100 and the first pump body 210. Thus, the first pump body 210 works to make the cleaning solution in the first container 100 flow to the first pump body 210 through the infusion pipeline, and during the period, the cleaning solution is inevitably filtered by the first filtering member 230, whether the filtered cleaning solution can reach the liquid filler 300 depends on the state of the first valve body 220, when the first valve body 220 is disconnected from the liquid path, the liquid is continuously accumulated in the infusion pipeline between the first pump body 210 and the first valve body 220, and a high pressure is formed after a certain time, at this time, the first valve body 220 is opened, the cleaning solution rapidly passes through the first valve body 220, the liquid filler 300 and the liquid filling needle 400 under the action of the high pressure, so that the inner wall of the liquid filling needle 400 is effectively flushed, and the effects of cleaning and blocking removal are achieved.
As can be understood, the first filter 230 is disposed between the first pump body 210 and the first container 100, so that the first valve body 220 and the liquid filler 300 can be effectively prevented from being damaged by impurities, particles and the like possibly existing in the cleaning liquid entering the first valve body 220 and the liquid filler 300, and further the impurities entering the liquid filling needle 400 are prevented from forming secondary blockage or scratching the inner wall of the liquid filling needle 400.
In an embodiment, the cleaning system 10 further includes a cleaning tank 600 for cleaning the outer wall of the filling needle 400, and a second valve body 500 connected between the cleaning tank 600 and the first pump body 210, the second valve body 500 and the first valve body 220 are connected to the output end of the first pump body 210 through a three-way pipe 240, that is, the cleaning liquid output from the first pump body 210 flows to the first valve body 220 and the second valve body 500 through the three-way pipe 240 respectively, the first flushing unit 200 finishes cleaning the inner wall of the filling needle 400 with the cleaning liquid and flushes out the blockage blocked in the filling needle 400, the second valve body 500 is opened to make the cleaning liquid flow into the cleaning tank 600, and the filling needle 400 moves into the cleaning tank 600 to clean the outer wall.
In an embodiment, a power structure is added in the cleaning tank 600, and the power structure rotates to enable the cleaning liquid in the cleaning tank 600 to form a vortex, so that a certain impact is formed on the outer wall of the liquid adding needle 400, the liquid adding needle 400 is further thoroughly cleaned, and the blockage can be further ensured to be washed clean.
In one embodiment, the cleaning system 10 further includes a second pump 800 and a second container 700, wherein the second pump 800 is connected between the second container 700 and the cleaning tank 600 for pumping the waste liquid in the cleaning tank 600, which has been cleaned by the filling needle 400, into the second container 700. In addition, the cleaning system 10 further includes a second filtering member 1100, and the second filtering member 1100 is disposed between the second pump body 800 and the cleaning tank 600, and is used for filtering solid substances or harmful substances in the waste liquid, so as to facilitate the treatment of the waste liquid and avoid environmental pollution.
Referring to fig. 2, in one embodiment, the cleaning system 10 further includes a pressure sensor 900, and the pressure sensor 900 is disposed between the liquid filler 300 and the liquid filling needle 400 for detecting the hydraulic pressure. Specifically, liquid feeding needle 400 passes through the hose with liquid feeder 300 and links to each other, and pressure sensor 900 sets up on the hose, and whether user's accessible pressure sensor 900 measured value calculates liquid feeding needle 400 and is in normal operating condition, if liquid feeding needle 400 needle point shutoff appears, then pressure sensor 900's detected value can appear obvious increase, can close first valve body 220 this moment, opens again after a period to the velocity of flow of increaseing the cleaning solution plays the effect of scouring away the plug.
In one embodiment, the cleaning system 10 further comprises a second flushing unit 1000, the second flushing unit 1000 being disposed between the liquid charger 300 and the filling needle 400 for outputting a high pressure fluid to the filling needle 400 to further optimize the efficiency of discharging the clogging objects, thereby further optimizing the overall operating efficiency of the sample analyzer.
The second flushing unit 1000 includes a third pump body 1010 and a third valve body 1020, wherein the third pump body 1010 is an air pump, the third valve body 1020 includes a housing and a valve core disposed in the housing, and a first channel and a second channel are disposed in the valve core; specifically, the first channel is communicated with the liquid adding needle 400 and the liquid filler 300, the second channel is communicated with the liquid adding needle 400 and the third pump body 1010, when the liquid adding needle 400 works normally, the second channel is blocked, the liquid filler 300 is communicated with the liquid adding needle 400 through the first channel, when the detection value of the pressure sensor 900 is obviously increased and exceeds a certain preset value, the first channel is temporarily blocked, the third pump body 1010 is communicated with the liquid adding needle 400, and therefore the third pump body 1010 outputs high-pressure fluid to flush and remove blocking objects.
In this embodiment, the third pump 1010 outputs high pressure gas to discharge the blockage in the filling needle 400, but in other embodiments of the present invention, the second flushing unit 1000 may also discharge high pressure liquid to achieve the above-mentioned effect, which is not limited herein.
In addition, in other embodiments of the present invention, an air valve may be additionally added to adjust the air pressure output by the third pump 1010, and certainly, the pressure may also be adjusted by adjusting the operating parameters of the third pump 1010 itself, which is not limited herein.
In addition, the cleaning system 10 further comprises a fixing bracket 1200, and the fixing bracket 1200 is used for fixing and supporting the infusion tube connected to the first container 100 and the infusion tube connected to the second container 700, so that the overall structure of the cleaning system 10 is optimized, the layout of all components is more compact and reasonable, and the space occupation is smaller.
Referring to fig. 3, the sample analyzer 10 of the present invention includes a frame (not shown), a detecting device 20, an analyzing device 30, a control device 40 and the cleaning system 10; the liquid adding needle 400 adds a sample liquid or a reagent liquid into a reaction cup arranged in the detection device 20 under the control of the liquid adding device 300; the control device 40 is electrically connected to the detecting device 20 and the analyzing device 30 for controlling and adjusting the operations of the detecting device 20 and the analyzing device 30, and the control device 40 is further electrically connected to the first pump 210, the second pump 800, the first valve 220, the second valve 500, the third valve 1020, and the pressure sensor 900, so that the first pump 210, the second pump 800, the third pump 1000, the first valve 220, the second valve 500, the third valve 1020, and the pressure sensor 900 can be accurately and efficiently operated in a matching manner, thereby improving the overall automation performance of the cleaning system 10 and the sample analyzer.
It will be appreciated that the sample analyzer includes the cleaning system 10 described above, and thus has all of the benefits of the cleaning system 10 described above, and will not be described in detail herein.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Cleaning system, its characterized in that: comprises a first container, a first flushing unit, a liquid filler and a liquid adding needle;
the first container is used for storing cleaning liquid;
the first flushing unit is connected between the liquid feeder and the first container and used for filtering the cleaning liquid, pressurizing the filtered cleaning liquid and then feeding the pressurized cleaning liquid into the liquid feeder;
the liquid filler is connected to the liquid adding needle.
2. The cleaning system of claim 1, wherein: the first flushing unit comprises a first pump body and a first valve body which are connected with each other, the first pump body is connected with the first container, and the first valve body is connected with the liquid filler.
3. The cleaning system of claim 1, wherein: the first flushing unit further comprises a first filter member connected between the first flushing unit and the first container.
4. The cleaning system of claim 2, wherein: the cleaning system further comprises a second valve body and a cleaning pool for cleaning the outer wall of the liquid adding needle, and the second valve body is connected between the first pump body and the cleaning pool.
5. The cleaning system of claim 4, wherein: the cleaning system further comprises a second container for containing waste liquid, and a second pump body connected between the cleaning pool and the second container.
6. The cleaning system of any one of claims 1 to 5, wherein: the cleaning system further comprises a pressure sensor for detecting hydraulic pressure, and the pressure sensor is arranged between the liquid filler and the liquid adding needle.
7. The cleaning system of any one of claims 1 to 5, wherein: the cleaning system further comprises a second flushing unit connected between the liquid filler and the liquid adding needle, and the second flushing unit outputs high-pressure fluid to the liquid adding needle.
8. The cleaning system of claim 7, wherein: the second flushing unit comprises a third pump body and a third valve body, the third valve body is provided with a first channel and a second channel, the first channel is communicated with the liquid adding needle and the liquid adding device, and the second channel is communicated with the liquid adding needle and the third pump body.
9. The cleaning system of claim 8, wherein: the third pump body is an air pump.
10. Sample analyzer, its characterized in that: the sample analyzer comprises a detection device, an analysis device, a control device and the cleaning system of any one of claims 1 to 9, wherein the liquid adding needle adds liquid into a reaction cup arranged in the detection device, and the control device is electrically connected with the detection device and the analysis device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922131146.0U CN211488910U (en) | 2019-11-29 | 2019-11-29 | Cleaning system and sample analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922131146.0U CN211488910U (en) | 2019-11-29 | 2019-11-29 | Cleaning system and sample analyzer |
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| CN211488910U true CN211488910U (en) | 2020-09-15 |
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| CN201922131146.0U Active CN211488910U (en) | 2019-11-29 | 2019-11-29 | Cleaning system and sample analyzer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308915A (en) * | 2021-12-31 | 2022-04-12 | 四川沃文特生物技术有限公司 | Cleaning system and method for liquid adding needle of in-vitro diagnostic equipment |
-
2019
- 2019-11-29 CN CN201922131146.0U patent/CN211488910U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308915A (en) * | 2021-12-31 | 2022-04-12 | 四川沃文特生物技术有限公司 | Cleaning system and method for liquid adding needle of in-vitro diagnostic equipment |
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