CN217543125U - Sampling needle cleaning station and immunoassay appearance - Google Patents
Sampling needle cleaning station and immunoassay appearance Download PDFInfo
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- CN217543125U CN217543125U CN202221451226.XU CN202221451226U CN217543125U CN 217543125 U CN217543125 U CN 217543125U CN 202221451226 U CN202221451226 U CN 202221451226U CN 217543125 U CN217543125 U CN 217543125U
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Abstract
The utility model relates to a sample processing technology field specifically discloses a sampling needle cleaning station and immunoassay appearance. The cleaning station comprises a liquid inlet pipe provided with a liquid inlet channel, a containing piece, a detection unit and a cleaning pipe provided with a cleaning channel; the top end of the cleaning channel is provided with a cleaning port; the liquid inlet channel is communicated with the cleaning channel, and the cleaning liquid enters the cleaning channel from the liquid inlet channel; the top end of the containing piece is provided with a containing groove, the cleaning port is communicated with the bottom of the containing groove, and a first detection sheet and a second detection sheet are arranged in the containing groove; the detection unit is used for monitoring the capacitance value between the first detection piece and the second detection piece; when the cleaning liquid enters the containing groove, the first detection sheet and the second detection sheet are respectively contacted with the cleaning liquid, so that the capacitance between the first detection sheet and the second detection sheet is changed. This cleaning station is through the change of monitoring electric capacity, and whether timely detection washing liquid spills over the washing passageway, reduced the risk that the washing liquid that spills over harms external member from this, reduced the frequency of maintaining.
Description
Technical Field
The utility model relates to a sample processing technology field especially relates to a sampling needle cleaning station and immunoassay appearance.
Background
When a human blood sample needs to be analyzed and tested, the sampling needle can leave the blood sample on the outer surface of the sampling needle after sucking the blood sample from the test tube, and the residual blood sample needs to be cleaned before the next sample is collected, so that the pollution influence on the detection of the next blood sample is avoided. At present, when the blood sample needle is cleaned, the sampling needle is placed into a cleaning station, and the cleaning of the sampling needle is realized through an external water flow flushing mode. In order to realize the omnibearing cleaning of the sampling needle, a plurality of liquid inlet holes are usually formed around the sampling needle on the cleaning device.
However, general sampling needle cleaning station does not set up the overflow and detects the energy supply, and this causes the cleaning station to block up or the accident of drawing waste liquid pump trouble can't in time be found, and then leads to the components and parts to damage because of the overflow. Meanwhile, because the volume of the medical instrument cleaning station is small, sufficient installation space cannot be provided for the capacitive sensor, most of the capacitive sensors cannot be installed on the sampling needle cleaning station, and the difficulty of overflow detection of the cleaning station is increased.
Therefore, there is a need for a cleaning station with overflow detection and power supply, which can detect the overflow in time, reduce the space occupied by the cleaning station, and reduce the manufacturing cost of the cleaning station.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sampling needle washs station and immunoassay appearance to the completion is to the detection of the interior discharge condition of washing station.
To achieve the purpose, the utility model adopts the following technical proposal:
a sampling needle cleaning station comprises a cleaning pipe, a liquid inlet pipe, a containing piece and a detection unit; the cleaning pipe is provided with a cleaning channel, and the top end of the cleaning channel is provided with a cleaning port; the liquid inlet pipe is provided with a liquid inlet channel which is communicated with the cleaning channel, and cleaning liquid enters the cleaning channel from the liquid inlet channel; the top end of the accommodating piece is provided with an accommodating groove, the cleaning port is communicated with the bottom of the accommodating groove, and a first detection sheet and a second detection sheet are arranged in the accommodating groove; the detection unit is used for monitoring a capacitance value between the first detection sheet and the second detection sheet; when the cleaning liquid enters the accommodating groove, the first detection sheet and the second detection sheet are respectively contacted with the cleaning liquid, so that the capacitance between the first detection sheet and the second detection sheet is changed.
As the preferred technical scheme of the sampling needle cleaning station, a liquid discharge port is formed in the bottom end of the cleaning channel and communicated with a waste liquid pump.
As a preferred technical scheme of the sampling needle cleaning station, the first detection sheet is connected with a first wire holder extending out of the accommodating groove, and the first wire holder is electrically connected with the detection unit through a lead; the second detection piece is connected with a second wire holder extending out of the accommodating groove, and the second wire holder is electrically connected with the detection unit through a wire.
As a preferred technical solution of the sampling needle cleaning station, the storage groove is cylindrical, and the first detection piece and the second detection piece are symmetrical with respect to an axis of the storage groove.
As the preferred technical scheme of sampling needle cleaning station, first detect the piece with the second detects the piece and is the arc piece, first detect the piece with the second detect the piece all with the lateral wall of holding the groove is laminated mutually.
As the preferable technical scheme of the sampling needle cleaning station, the detection unit is in communication connection with an alarm unit, and when the capacitance between the first detection piece and the second detection piece changes, the detection unit sends a signal to the alarm unit to enable the alarm unit to give an alarm.
As a preferable technical solution of the sampling needle cleaning station, the detection unit includes a schmitt trigger, the schmitt trigger reflects a capacitance value between the first detection piece and the second detection piece according to a frequency of the schmitt trigger, and the schmitt trigger sends a signal to the alarm unit when the frequency of the schmitt trigger is lower than a monitoring threshold.
As the preferred technical scheme at sampling needle cleaning station, the inlet has been seted up to inlet channel's one end, the other end with wash the passageway intercommunication, the washing liquid is followed the inlet gets into wash the passageway.
As the preferred technical scheme of sampling needle cleaning station, sampling needle cleaning station still includes and supplies liquid equipment and scavenging pump, the scavenging pump be used for with supply in the liquid equipment the washing liquid carry to inlet channel.
An immunoassay analyzer comprises the sampling needle cleaning station.
The utility model has the advantages that:
this sampling needle cleaning station has injectd the position of sampling needle when washing the operation through the mode that sets up the washing passageway, has guaranteed from this that the sampling needle can accurately target in place at the in-process that washes, and then has promoted the clean effect to the sampling needle. The cleaning opening is avoided in the setting of inlet channel, has reduced the washing liquid and has gone into the condition of accomodating the inslot because of the accident mistake to the accuracy of testing result has been promoted. The design of groove tank bottom is accomodate in washing mouth intercommunication can make the washing liquid get into and accomodate the inslot under the condition that washs the passageway and block up or take out waste liquid pump trouble to make first detection piece and second detect the electric capacity between the piece and change, and then detecting element can in time acquire the overflow condition of sampling needle cleaning station. By means of the design of the accommodating groove and the first detection sheet and the second detection sheet in the accommodating groove, the capacitance between the first detection sheet and the second detection sheet is changed in a cleaning liquid short circuit mode, so that whether the cleaning liquid enters the accommodating groove or not is accurately judged, production cost is low, and the accuracy of a detection result is high. Therefore, the overflow problem of the sampling needle cleaning station can be timely and accurately found, the condition that a cleaning channel is blocked or a waste liquid pump is not found timely is avoided, and the risk of damage to external components is reduced.
Drawings
Fig. 1 is a cross-sectional view of a sampling needle cleaning station and a sampling needle provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first view angle of a sampling needle cleaning station provided by the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second viewing angle of the sampling needle cleaning station provided in the embodiment of the present invention.
In the figure:
100. a sampling needle; 200. a receiving groove; 300. a liquid inlet channel; 400. a liquid discharge port; 510. a first detection sheet; 520. a first wire holder; 610. a second detection sheet; 620. a second wire holder.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention, and the technical effects achieved by the present invention clearer, the following detailed description will be made with reference to the accompanying drawings for further describing the technical solutions of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to the drawings.
As shown in fig. 1 to 3, the present embodiment provides a sampling needle cleaning station, which includes a cleaning tube, a liquid inlet tube, a receiving member, and a detecting unit; the cleaning pipe is provided with a cleaning channel, and the top end of the cleaning channel is provided with a cleaning port; the liquid inlet pipe is provided with a liquid inlet channel 300, the liquid inlet channel 300 is communicated with the cleaning channel, and cleaning liquid enters the cleaning channel from the liquid inlet channel 300; the top end of the accommodating piece is provided with an accommodating groove 200, the cleaning opening is communicated with the bottom of the accommodating groove 200, and a first detection sheet 510 and a second detection sheet 610 are arranged in the accommodating groove 200; the detection unit is used for monitoring the capacitance value between the first detection sheet 510 and the second detection sheet 610; when the cleaning solution enters the receiving tank 200, the first and second detection sheets 510 and 610 respectively contact the cleaning solution, so that the capacitance between the first and second detection sheets 510 and 610 is changed.
In this embodiment, the sampling needle cleaning station is used for cleaning the sampling needle 100, the sampling needle 100 can extend into the cleaning channel from the cleaning opening, and the cleaning opening is a non-inlet of the sampling needle 100.
This sampling needle cleaning station has injectd the position of sampling needle 100 when washing the operation through the mode that sets up the washing passageway, has guaranteed from this that sampling needle 100 can accurately target in place at the in-process that washes, and then has promoted the clean effect to sampling needle 100. The cleaning opening is avoided by the liquid inlet channel 300, the situation that the cleaning liquid is mistakenly put into the accommodating groove 200 due to accidents is reduced, and therefore the accuracy of the detection result is improved. The design of washing mouth intercommunication holding groove 200 tank bottom can make the washing liquid get into in holding groove 200 under the condition that washs the passageway and block up or draw the waste liquid pump trouble to make first detection piece 510 and second detect the electric capacity between the piece 610 and change, and then detecting element can in time acquire the overflow condition of sampling needle cleaning station. By means of the design of the receiving tank 200 and the first and second detection sheets 510 and 610 in the receiving tank 200, the capacitance between the first and second detection sheets 510 and 610 is changed in a manner of short-circuiting the cleaning solution, so as to accurately determine whether the cleaning solution enters the receiving tank 200, the production cost is low, and the accuracy of the detection result is high. Therefore, the overflow problem of the sampling needle cleaning station can be timely and accurately found, the condition that a cleaning channel is blocked or the waste liquid pump fails to find out untimely is avoided, and the risk of damage to external components is reduced.
In this embodiment, the bottom end of the cleaning channel is provided with a liquid outlet 400, and the liquid outlet 400 is communicated with the waste liquid pump. The waste liquid pump is used for taking out the washing liquid that washs in the passageway, and the setting of leakage fluid dram 400 provides the way of collecting for the washing liquid that accomplishes the washing operation in wasing the passageway, and the above setting has accomplished the emission operation to the waste liquid, has reduced the pollution to sampling needle cleaning station, has ensured operational environment's clean and tidy effectively. Specifically, the liquid discharge port 400 communicates with the waste liquid pump through a conduit; the sampling needle cleaning station further comprises a waste liquid pool, and the waste liquid pool is used for collecting cleaning liquid pumped by a waste liquid pump.
Preferably, the first detecting piece 510 is connected with a first wire holder 520 extending out of the receiving slot 200, and the first wire holder 520 is electrically connected with the detecting unit through a wire; the second detecting piece 610 is connected with a second wire holder 620 extending out of the receiving slot 200, and the second wire holder 620 is electrically connected with the detecting unit through a wire. Specifically, the first detecting piece 510 is integrally formed with the first wire holder 520, and the second detecting piece 610 is integrally formed with the second wire holder 620. The first wire holder 520 and the second wire holder 620 are simple and reliable in structure, effective connection between the first detection piece 510 and the second detection piece 610 is achieved, the detection unit is guaranteed to detect the capacitance value between the first detection piece 510 and the second detection piece 610 smoothly, and accuracy of detection results is improved.
In the present embodiment, the receiving groove 200 is cylindrical, and the first detecting piece 510 and the second detecting piece 610 are symmetrical about the axis of the receiving groove 200. The first detection piece 510 and the second detection piece 610 are limited in position to adjust the distance between the first detection piece 510 and the second detection piece 610, the space in the storage groove 200 is effectively utilized, and then the cleaning liquid enters the storage groove 200 to cause the obvious change of the capacitance between the first detection piece 510 and the second detection piece 610.
Further, the first detection piece 510 and the second detection piece 610 are both arc-shaped pieces, and the first detection piece 510 and the second detection piece 610 are both attached to the side wall of the storage groove 200. The structure greatly optimizes the structure in the accommodating groove 200, reduces the space occupied by the sampling needle cleaning station, reduces the risk of position deviation of the first detection piece 510 and the second detection piece 610 caused by accidents, and ensures the reliability of the structures of the first detection piece 510 and the second detection piece 610.
In this embodiment, the detection unit is communicatively connected to an alarm unit, and when the capacitance between the first detection piece 510 and the second detection piece 610 changes, the detection unit sends a signal to the alarm unit, so that the alarm unit gives an alarm. The alarm unit is arranged to help operators to feed back the faults of the sampling needle cleaning station in time, so that the operation of the sampling needle cleaning station is suspended, and then the faults of the sampling needle cleaning station are checked. The design greatly reduces the risk of damage to the sampling needle cleaning station, and effectively prolongs the service life of the sampling needle cleaning station. Specifically, the alarm unit is a buzzer. The buzzer reminds an operator in a sound emitting mode, the reminding effect is good, and the production cost is low.
Preferably, the detection unit includes a schmitt trigger, which reflects a capacitance value between the first detection piece 510 and the second detection piece 610 according to a frequency of the schmitt trigger, and transmits a signal to the alarm unit when the frequency of the schmitt trigger is lower than a monitoring threshold. Specifically, the monitoring threshold is 100 khz. The design that utilizes the frequency of schmitt trigger to reflect the capacitance value can accurately and in time feed back whether the washing liquid overflows the washing passageway, and above design causes detecting element's simple structure, and the working effect is good and low in production cost.
In this embodiment, a liquid inlet is provided at one end of the liquid inlet channel 300, the other end is communicated with the cleaning channel, and the cleaning liquid enters the cleaning channel from the liquid inlet. Specifically, the inlet passage 300 is integrally formed with the purge passage. Above simple structure is reliable, and low in production cost and leakproofness are good, have reduced the risk of sampling needle cleaning station weeping, help promoting the clean effect of sampling needle cleaning station.
Further, the sampling needle cleaning station further comprises a liquid supply device and a cleaning pump, and the cleaning pump is used for conveying cleaning liquid in the liquid supply device to the liquid inlet channel 300. The liquid supply device and the cleaning pump are simple and reliable in structure, and the flushing operation of the sampling needle 100 can be smoothly completed. Specifically, the liquid inlet, the cleaning pump and the liquid supply equipment are communicated in sequence through a conduit.
Preferably, at least two liquid inlet channels 300 are arranged, and the liquid inlet channels 300 are communicated with the middle part of the cleaning channel; from the end of the inlet channel 300 where the inlet is provided to the end of the inlet channel 300 where the inlet is communicated with the washing channel, the inlet channel 300 is gradually inclined downward. The design not only promotes the washing capacity of the cleaning liquid, promotes the cleaning effect on the sampling needle 100, but also reduces the difficulty of the operation of the cleaning pump, and avoids the risk of reverse flow of the cleaning liquid.
The embodiment also provides an immunoassay analyzer, which comprises the sampling needle cleaning station. Specifically, the immunoassay analyzer is a WG3020 full-automatic luminescence immunoassay analyzer.
It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A sampling needle cleaning station, comprising:
the cleaning pipe is provided with a cleaning channel, and the top end of the cleaning channel is provided with a cleaning port;
the liquid inlet pipe is provided with a liquid inlet channel (300), the liquid inlet channel (300) is communicated with the cleaning channel, and cleaning liquid enters the cleaning channel from the liquid inlet channel (300);
the cleaning device comprises a storage piece, a cleaning opening and a cleaning opening, wherein the top end of the storage piece is provided with a storage groove (200), the cleaning opening is communicated with the bottom of the storage groove (200), and a first detection sheet (510) and a second detection sheet (610) are arranged in the storage groove (200);
a detection unit for monitoring a capacitance value between the first detection piece (510) and the second detection piece (610); when the cleaning solution enters the storage tank (200), the first detection sheet (510) and the second detection sheet (610) are respectively in contact with the cleaning solution, so that the capacitance between the first detection sheet (510) and the second detection sheet (610) is changed.
2. The sampling needle cleaning station according to claim 1, wherein a liquid outlet (400) is formed at the bottom end of the cleaning channel, and the liquid outlet (400) is communicated with a waste liquid pump.
3. The sampling needle cleaning station according to claim 1, characterized in that a first wire holder (520) protruding out of the receiving groove (200) is connected to the first detection piece (510), and the first wire holder (520) is electrically connected to the detection unit through a wire; the second detection piece (610) is connected with a second wire holder (620) extending out of the accommodating groove (200), and the second wire holder (620) is electrically connected with the detection unit through a lead.
4. The sampling needle cleaning station of claim 1, wherein the receiving slot (200) is cylindrical, and the first detection tab (510) and the second detection tab (610) are symmetrical about an axis of the receiving slot (200).
5. The sampling needle cleaning station according to claim 4, wherein the first detection piece (510) and the second detection piece (610) are both arc-shaped pieces, and the first detection piece (510) and the second detection piece (610) are both attached to the side wall of the accommodating groove (200).
6. The sampling needle cleaning station of claim 1, wherein the detection unit is communicatively connected to an alarm unit, and when the capacitance between the first detection piece (510) and the second detection piece (610) changes, the detection unit sends a signal to the alarm unit to cause the alarm unit to generate an alarm.
7. The sampling needle cleaning station of claim 6, wherein the detection unit comprises a Schmitt trigger that reflects a capacitance value between the first detection patch (510) and the second detection patch (610) according to a frequency of the Schmitt trigger, the Schmitt trigger sending a signal to the alarm unit when the frequency of the Schmitt trigger is below a monitoring threshold.
8. The sampling needle cleaning station according to any one of claims 1 to 7, wherein one end of the liquid inlet channel (300) is provided with a liquid inlet, and the other end of the liquid inlet channel is communicated with the cleaning channel, and cleaning liquid enters the cleaning channel from the liquid inlet.
9. The sampling needle cleaning station of claim 8, further comprising a liquid supply device and a cleaning pump for delivering the cleaning liquid within the liquid supply device to the liquid inlet channel (300).
10. An immunoassay analyzer comprising the sampling needle washing station of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221451226.XU CN217543125U (en) | 2022-06-10 | 2022-06-10 | Sampling needle cleaning station and immunoassay appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221451226.XU CN217543125U (en) | 2022-06-10 | 2022-06-10 | Sampling needle cleaning station and immunoassay appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217543125U true CN217543125U (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221451226.XU Active CN217543125U (en) | 2022-06-10 | 2022-06-10 | Sampling needle cleaning station and immunoassay appearance |
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| Country | Link |
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| CN (1) | CN217543125U (en) |
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2022
- 2022-06-10 CN CN202221451226.XU patent/CN217543125U/en active Active
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