CN211374646U - Reagent management device and extraction equipment - Google Patents
Reagent management device and extraction equipment Download PDFInfo
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- CN211374646U CN211374646U CN201922193454.6U CN201922193454U CN211374646U CN 211374646 U CN211374646 U CN 211374646U CN 201922193454 U CN201922193454 U CN 201922193454U CN 211374646 U CN211374646 U CN 211374646U
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Abstract
The utility model provides a reagent management device and extraction equipment relates to the solid phase extraction field. The reagent management device comprises a box body, a reagent container, a weighing assembly and a controller, wherein the weighing assembly is arranged on the box body, the reagent container is placed on the weighing assembly, and the weighing assembly is connected with the controller. The weighing component of the reagent management device can not influence the weighing of the residual amount of the reagent by the fluctuation of the liquid level of the reagent, and has high detection precision on the residual amount of the reagent; even the residual quantity of the reagent with weak dielectric constant, which can not be reliably detected or even can not be detected by the capacitance type liquid level sensor, can be accurately detected.
Description
Technical Field
The utility model belongs to the technical field of the solid-phase extraction and specifically relates to a reagent management device and extraction equipment are related to.
Background
Solid-Phase Extraction (SPE) is a sample pretreatment technology, is developed by combining liquid-Solid Extraction and column liquid chromatography, and is mainly used for separation, purification and concentration of samples. Compared with the traditional liquid-liquid extraction method, the solid-phase extraction method can improve the recovery rate of the target object, more effectively separate the target object from interfering components, reduce the steps of sample pretreatment, and has simple operation, time saving and labor saving, so the method is widely applied to the fields of medicine, food, environment, commercial inspection, chemical industry and the like.
Different reagents are used in the solid phase extraction process to process the solid phase extraction column or the sample. A plurality of reagents are used in the same solid phase extraction process, and the reagent needs to be added into the reagent bottle in time for the smooth test, so that the residual quantity of the reagent in the reagent bottle needs to be detected. In the prior art, the detection methods of the residual amount of the reagent mainly comprise two methods, one method is carried out by people or is visually detected, the other method is used for detecting by using a capacitance type liquid level sensor, and the two methods have the problem of low detection precision.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a reagent management device to solve the reagent surplus detection mode that exists among the prior art and detect the technical problem that the precision is low.
The utility model provides a reagent management device, including box, reagent container, the subassembly and the controller of weighing, the subassembly of weighing set up in the box, the reagent container place in on the subassembly of weighing, the subassembly of weighing with the controller is connected.
Further, the box includes the bottom plate, the subassembly of weighing including set up in the weighing sensor of bottom plate, weighing sensor with the controller is connected.
Furthermore, a bottle bin is fixedly arranged on the bottom plate, an opening is formed in the top of the bottle bin, and a reagent container can be placed into the bottle bin through the opening; an opening is formed in the bottom of the bottle bin, and the upper portion of the weighing component penetrates through the opening and extends into the bottle bin;
the bottom of the bottle bin is also provided with a flow guide hole, the bottom plate is provided with a flow guide groove, and the flow guide groove is positioned below the flow guide hole;
the box body further comprises a side plate fixedly connected to the bottom plate, the side plate is provided with a liquid outlet or the bottom plate is provided with a liquid outlet, and the liquid outlet is communicated with the diversion trench.
Further, the weighing component further comprises a tray, the tray is arranged on the weighing sensor, and the tray is located in the bottle bin.
Further, the weighing component further comprises a connecting rod, the bottom end of the connecting rod is fixedly connected with the weighing sensor, the top end of the connecting rod is fixedly connected with the tray, and the connecting rod penetrates through the opening and extends into the bottle bin.
Further, the reagent container comprises a bottle body and a bottle cap, wherein the bottle cap is provided with a pressure balance hole, and the pressure balance hole is used for adjusting the air pressure in the bottle body so as to enable the air pressure to be consistent with the air pressure outside the bottle body.
Furthermore, the reagent management device also comprises a multi-way switching valve and a plurality of first connecting pipes, wherein the multi-way switching valve is provided with a plurality of input interfaces and an output interface, the reagent container can be connected with one of the input interfaces of the multi-way switching valve through the first connecting pipe, and the output interface can output a reagent.
The reagent management device further comprises a gas interface and a second connecting pipe, wherein the gas interface is used for being connected with a gas source for testing gas, the gas interface is connected with one input interface of the multi-way switching valve through the second connecting pipe, and the output interface can output gas;
the second connecting pipe is provided with an air pressure regulating valve, the air pressure regulating valve is arranged close to the air interface, and the air pressure regulating valve is used for regulating the pressure of the air input by the air interface.
Further, a pressure valve is arranged on the second connecting pipe and connected with the controller;
or the second connecting pipe is provided with a flow valve, and the flow valve is connected with the controller;
or, be provided with pressure valve and flow valve on the second connecting pipe, the pressure valve with the flow valve all with the controller is connected, just the pressure valve with the flow valve is parallelly connected.
The utility model provides a reagent management device can produce following beneficial effect:
the utility model provides an among the reagent management device, the subassembly of weighing can weigh the total weight of reagent container and reagent container internal reagent. In the using process, the weighing component transmits the real-time weighed total weight information to the controller connected with the weighing component, and the controller calculates the difference between the total weight and the self weight of the reagent container to obtain the weight of the residual reagent in the reagent container.
Compared with the prior art that the reagent is manually lifted or visually observed and a capacitive liquid level sensor is used for detection, the weighing component of the reagent management device does not influence the weighing of the residual amount of the reagent by the fluctuation of the liquid level of the reagent, and the detection precision of the residual amount of the reagent is high; even the residual quantity of the reagent with weak dielectric constant, which can not be reliably detected or even can not be detected by the capacitance type liquid level sensor, can be accurately detected.
A second object of the utility model is to provide an extraction equipment to solve the reagent surplus detection mode that exists among the prior art and detect the technical problem that the precision is low.
The utility model provides an extraction equipment, including above-mentioned reagent management device.
The utility model provides an extraction equipment has above-mentioned reagent management device's whole beneficial effect, so no longer give unnecessary details here.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a partial structure of a reagent management device according to an embodiment of the present invention;
fig. 2 is a second schematic partial structural view of a reagent management device according to an embodiment of the present invention;
FIG. 3 is a third schematic view of a partial structure of a reagent management device according to an embodiment of the present invention;
FIG. 4 is a fourth schematic view of a partial structure of a reagent management device according to an embodiment of the present invention;
fig. 5 is an enlarged schematic view of a portion a of fig. 4.
Icon:
100-a box body;
200-a controller;
310-a bottle body; 320-bottle cap; 321-pressure balance holes;
400-a first connection tube;
510-a load cell; 520-a connecting rod; 530-a tray; 540-bottle bin; 541-a flow guide hole; 542-a diversion trench; 543-liquid discharge port;
600-multi-way switching valve; 610-an output interface;
700-gas interface;
900 — a communication interface;
010-air pressure regulating valve; 020-pressure valve; 030-flow valves; 040-gas on-off valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
The present embodiment provides a reagent management apparatus, as shown in fig. 1 to 3, the reagent management apparatus includes a box 100, a reagent container, a weighing assembly and a controller 200, the weighing assembly is disposed on the box 100, the reagent container is placed on the weighing assembly, and the weighing assembly is connected with the controller 200.
In the reagent management apparatus according to the present embodiment, the weighing unit can weigh the total weight of the reagent container and the reagent contained in the reagent container. In the using process, the weighing component transmits the real-time weighed total weight information to the controller 200 connected with the weighing component, and the controller 200 calculates the difference between the total weight and the self weight of the reagent container, namely the weight of the residual reagent in the reagent container.
Compared with the prior art that the reagent is manually lifted or visually observed and a capacitive liquid level sensor is used for detection, the weighing component of the reagent management device does not influence the weighing of the residual amount of the reagent by the fluctuation of the liquid level of the reagent, and the detection precision of the residual amount of the reagent is high; even the residual quantity of the reagent with weak dielectric constant (such as ether, methanol and the like) which can not be reliably detected or even can not be detected by the capacitance type liquid level sensor can be accurately detected.
In this embodiment, the box 100 includes a bottom plate and a top plate spaced apart from each other, and a side plate connected between the bottom plate and the top plate.
In this embodiment, specifically, as shown in fig. 2 and 3, the weighing assembly includes a load cell 510 disposed on the bottom plate, and the load cell 510 is connected to the controller 200.
Here, the shape of the weighing sensor 510 of the present embodiment is not particularly limited as long as it can weigh the reagent container and the reagent in the reagent container, and for example: the load cell 510 may be cylindrical or rectangular.
In this embodiment, the bottom plate is fixedly provided with a bottle bin 540, the top of the bottle bin 540 is provided with an opening through which a reagent container can be placed into the bottle bin 540; the bottom of bottle storehouse 540 is provided with the opening, and the upper portion of weighing component passes the opening and stretches into in bottle storehouse 540. The bottle bin 540 isolates the reagent container from other components in the box body 100, so that the influence on other components in the box body 100 when the reagent container is taken and placed can be effectively avoided.
Specifically, in this embodiment, the bottle magazine 540 is cylindrical.
It should be noted that in other embodiments of the present application, the bottle bin 540 may have other shapes, such as: the cartridge 540 may have a box shape with a square cross section as long as the cartridge 540 can accommodate a reagent container, and the arrangement form thereof is not particularly limited in the present application.
In this embodiment, as shown in fig. 4 and 5, the bottom of the bottle bin 540 is further provided with a diversion hole 541, the bottom plate is provided with a diversion trench 542, and the diversion trench 542 is located below the diversion hole 541; the side plate is provided with a liquid outlet 543 or the bottom plate is provided with a liquid outlet 543, and the liquid outlet 543 is communicated with the diversion trench 542. In this arrangement, the reagent leaked to the bottle bin 540 flows into the guiding groove 542 through the guiding hole 541, and is finally discharged from the liquid outlet 543.
Preferably, the diversion holes 541 are disposed at the lowest of the inner surfaces of the bottle magazine 540. This arrangement facilitates clean discharge of reagent leaking to the vial magazine 540.
In other embodiments of the present application, the liquid discharge port 543 may be provided on the bottom plate in addition to the side plate. When the liquid discharge port 543 is arranged on the bottom plate, the reagent management device further comprises a blocking piece, the blocking piece is used for blocking the liquid discharge port 543, and when liquid discharge is not needed, the blocking piece blocks the liquid discharge port 543; when liquid drainage is needed, the blocking piece is taken down to drain the liquid.
In this embodiment, the reagent container may be a reagent bottle, the reagent bottle includes a bottle body 310 and a bottle cap 320, and the bottle body 310 is in threaded connection with the bottle cap 320.
Specifically, in the present embodiment, the bottle cap 320 of the reagent bottle is provided with a pressure balance hole 321, and the pressure balance hole 321 is used for adjusting the air pressure inside the bottle body 310 to be consistent with the air pressure outside the bottle body 310. On one hand, the air pressure in the reagent bottle is consistent with the air pressure outside, so that the reagent in the reagent bottle can be ensured to flow out smoothly; on the other hand, under the prerequisite of guaranteeing that the reagent in the reagent bottle flows smoothly, for open structure, pressure balance hole 321 has greatly reduced the contact of the reagent in the reagent bottle with the outside air to can effectively reduce volatilizing of reagent in the reagent bottle, alleviate the injury to the human body and the pollution to the environment, and avoid rotten or the inefficacy of reagent.
In other embodiments of the present application, the reagent container may also be a solvent bottle or a sampling bottle; the material of the reagent container may be glass, or may be other corrosion-resistant materials, which is not particularly limited in the present application.
In this embodiment, and as further shown in fig. 2 and 3, the weighing assembly further includes a tray 530, the tray 530 being disposed on the load cell 510, the tray 530 being located within the vial magazine 540. Tray 530's setting has enlarged the measuring plane of subassembly of weighing, has improved reagent container's stability of placing greatly, is guaranteeing moreover that reagent container places under the prerequisite of stability for reagent container can have different capacity, and the user can select the reagent container of suitable capacity according to the demand to the reagent, for example: when the required amount of the reagent is large, a reagent container with the capacity of 800 milliliters can be selected; when the required amount of the reagent is small, a reagent container with the capacity of 200 milliliters can be selected, and the selection space of a user is greatly improved.
Specifically, in the present embodiment, the tray 530 is a circular disk.
It should be noted that in other embodiments of the present application, the shape of the tray 530 is not limited to a circle, for example: the tray 530 may have a square shape, or the tray 530 may have a rectangular shape, which is not particularly limited in the present application.
Further, the weighing assembly may further include a connecting rod 520, a bottom end of the connecting rod 520 is fixedly connected with the weighing sensor 510, a top end of the connecting rod 520 is fixedly connected with the tray 530, and the connecting rod 520 extends into the bottle bin 540 through the opening.
Specifically, the bottom end of the connecting rod 520 is connected to the measuring end of the load cell 510.
In this embodiment, the reagent management apparatus further includes a multi-way switching valve 600 and a plurality of first connecting pipes 400, the multi-way switching valve 600 has a plurality of input interfaces and one output interface, the reagent container can be connected to one of the input interfaces of the multi-way switching valve 600 through the first connecting pipe 400, and the output interface 610 can output the reagent.
Specifically, the multi-way switching valve 600 is provided to a side plate of the casing 100.
Specifically, the number of the multi-way switching valves 600 may be multiple, and multiple multi-way switching valves 600 may be connected in parallel, in series, or in series and parallel to meet the access requirements of more reagent containers.
Specifically, in this embodiment, the bottle cap 320 further defines a through hole for inserting the first connection tube 400.
More specifically, the hole diameter of the through hole may be identical to the outer diameter of the first connection tube 400, so that the sealability between the bottle cap 320 and the first connection tube 400 can be increased. In addition, the aperture of the through-hole may be slightly larger than the outer diameter of the first connection tube 400, thereby facilitating the insertion or extraction of the first connection tube 400.
In this embodiment, the reagent management apparatus further includes a gas interface 700 and a second connection pipe, the gas interface 700 is used for being connected to a gas source for testing gas, the gas interface 700 is connected to one of the input interfaces of the multi-way switching valve 600 through the second connection pipe, and the output interface 610 is capable of outputting gas; the second connection pipe is provided with a gas pressure adjustment valve 010, the gas pressure adjustment valve 010 being provided adjacent to the gas interface 700, the gas pressure adjustment valve 010 being used to adjust the pressure of the gas input by the gas interface 700.
Specifically, in the present embodiment, the gas interface 700 is disposed on a side panel of the cabinet 100.
Specifically, in this embodiment, a pressure valve 020 and a flow valve 030 are further disposed on the second connecting pipe between the gas interface 700 and the input interface, along the flowing direction of the gas in the second connecting pipe, the pressure valve 020 and the flow valve 030 are both located behind the gas pressure regulating valve 010, the pressure valve 020 and the flow valve 030 are connected in parallel, and the pressure valve 020 and the flow valve 030 are both connected to the controller 200. Among them, the pressure valve 020 can output the test gas at a constant pressure, and the flow valve 030 can output the test gas at a constant flow rate, so that the reagent management apparatus can accurately control the amount of the test gas.
In other embodiments of the present application, only the pressure valve 020 may be disposed on the second connecting pipe between the gas interface 700 and the input interface, and the pressure valve 020 is connected to the controller 200; alternatively, only the flow valve 030 is disposed on the second connecting pipe between the gas interface 700 and the input interface, and the flow valve 030 is connected to the controller 200. The user can set the setting according to specific requirements, which is not specifically limited in this application.
In this embodiment, the second connection pipe is further provided with a gas switch valve 040, and the gas switch valve 040 is located behind the pressure valve 020 and the flow valve 030 along the flow direction of gas in the second connection pipe, and the gas switch valve 040 is provided close to the input port of the multi-way switching valve 600. The gas switching valve 040 controls the on/off of the test gas in the second connecting pipe.
In summary, the flow path of the test gas in the second connecting pipe is: gas interface 700-gas pressure regulating valve 010-pressure valve 020 and flow valve 030-gas switch valve 040-input interface.
In this embodiment, the reagent management apparatus further includes a communication interface 900, the communication interface 900 is connected to the controller 200, and the communication interface 900 is used for connecting to an external operation device.
It should be noted that the "external operation device" refers to a computer, an operation panel, or the like, through which a user can transmit his/her own requirements to the controller 200, and related devices and operation principles are well-established prior art, and therefore, detailed description thereof is omitted here.
The embodiment also provides extraction equipment, which comprises the reagent management device.
The extraction apparatus provided in this embodiment has all the advantages of the reagent management device, and therefore, the details are not repeated herein.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (10)
1. The reagent management device is characterized by comprising a box body (100), reagent containers, a weighing assembly and a controller (200), wherein the weighing assembly is arranged on the box body (100), the reagent containers are placed on the weighing assembly, and the weighing assembly is connected with the controller (200).
2. The reagent management device of claim 1, wherein the box (100) comprises a bottom plate, the weighing assembly comprises a load cell (510) disposed on the bottom plate, and the load cell (510) is connected to the controller (200).
3. The reagent management device according to claim 2, wherein the bottom plate is fixedly provided with a bottle bin (540), the top of the bottle bin (540) is provided with an opening through which a reagent container can be placed into the bottle bin (540); an opening is formed in the bottom of the bottle bin (540), and the upper part of the weighing component penetrates through the opening to extend into the bottle bin (540);
the bottom of the bottle bin (540) is also provided with a flow guide hole (541), the bottom plate is provided with a flow guide groove (542), and the flow guide groove (542) is positioned below the flow guide hole (541);
the box body (100) further comprises a side plate fixedly connected to the bottom plate, the side plate is provided with a liquid outlet (543) or the bottom plate is provided with a liquid outlet (543), and the liquid outlet (543) is communicated with the diversion trench (542).
4. The reagent management device of claim 3, wherein the weighing assembly further comprises a tray (530), the tray (530) being disposed on the load cell (510), the tray (530) being located within the vial magazine (540).
5. The reagent management device of claim 4, wherein the weighing assembly further comprises a connecting rod (520), wherein a bottom end of the connecting rod (520) is fixedly connected with the weighing sensor (510), a top end of the connecting rod (520) is fixedly connected with the tray (530), and the connecting rod (520) extends into the vial magazine (540) through the opening.
6. The reagent management device according to any one of claims 1 to 3, wherein the reagent container comprises a bottle body (310) and a bottle cap (320), the bottle cap (320) is provided with a pressure balancing hole (321), and the pressure balancing hole (321) is used for adjusting the air pressure inside the bottle body (310) to be consistent with the air pressure outside the bottle body (310).
7. The reagent management device according to any of claims 1 to 3, further comprising a multi-way switching valve (600) and a plurality of first connecting pipes (400), wherein the multi-way switching valve (600) has a plurality of input interfaces and one output interface, wherein the reagent vessel can be connected with one of the input interfaces of the multi-way switching valve (600) through the first connecting pipe (400), and wherein the output interface (610) can output a reagent.
8. The reagent management device according to claim 7, further comprising a gas interface (700) and a second connection pipe, wherein the gas interface (700) is used for connecting with a gas source for testing gas, the gas interface (700) is connected with one of the input interfaces of the multi-way switching valve (600) through the second connection pipe, and the output interface (610) can output gas;
the second connection pipe is provided with a gas pressure adjustment valve (010), the gas pressure adjustment valve (010) is provided adjacent to the gas interface (700), and the gas pressure adjustment valve (010) is used for adjusting the pressure of the gas input by the gas interface (700).
9. The reagent management device according to claim 8, wherein a pressure valve (020) is arranged on the second connecting pipe, and the pressure valve (020) is connected with the controller (200);
or a flow valve (030) is arranged on the second connecting pipe, and the flow valve (030) is connected with the controller (200);
or, be provided with pressure valve (020) and flow valve (030) on the second connecting pipe, pressure valve (020) with flow valve (030) all with controller (200) are connected, just pressure valve (020) with flow valve (030) are parallelly connected.
10. An extraction plant comprising a reagent management device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922193454.6U CN211374646U (en) | 2019-12-09 | 2019-12-09 | Reagent management device and extraction equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922193454.6U CN211374646U (en) | 2019-12-09 | 2019-12-09 | Reagent management device and extraction equipment |
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| CN211374646U true CN211374646U (en) | 2020-08-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110865138A (en) * | 2019-12-09 | 2020-03-06 | 苏州新仪科学仪器有限公司 | Reagent management device and extraction equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110865138A (en) * | 2019-12-09 | 2020-03-06 | 苏州新仪科学仪器有限公司 | Reagent management device and extraction equipment |
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