CN216987669U - Automatic reagent preparation device - Google Patents
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- CN216987669U CN216987669U CN202220569327.0U CN202220569327U CN216987669U CN 216987669 U CN216987669 U CN 216987669U CN 202220569327 U CN202220569327 U CN 202220569327U CN 216987669 U CN216987669 U CN 216987669U
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Abstract
The utility model relates to an automatic reagent preparation device, which comprises a liquid storage tank, a reagent bottle, a distilled water container, a tap water container and a solid raw material preparation system, wherein the solid raw material preparation system comprises a funnel and a three-way valve, a first single port of the three-way valve is connected with the distilled water container, a second single port of the three-way valve is connected with the tap water container, a multi-port of the three-way valve or a pipeline outlet connected with the multi-port is positioned in the funnel or above an opening at the top of the funnel, a liquid inlet is arranged at the top of the liquid storage tank, a liquid outlet is arranged at the bottom of the liquid storage tank, an outlet of the funnel is connected with the liquid inlet of the liquid storage tank, and the liquid outlet of the liquid storage tank is connected with the reagent bottle. The utility model also comprises a liquid raw material preparation system, wherein the liquid raw material preparation system comprises a peristaltic pump, a liquid level device, a multi-way valve and a plurality of raw material liquid bottles. The utility model can realize the automatic preparation of the chemical reagent which adopts the solid raw material or the liquid raw material respectively, can realize the automatic mixing preparation of the chemical reagent which needs the solid raw material and the liquid raw material simultaneously, and has wide application range.
Description
Technical Field
The utility model relates to an automatic reagent preparation device, which is particularly suitable for automatic quantitative preparation of chemical reagents used in a water quality monitoring system or equipment.
Background
The preparation of chemical reagents is generally applied to the occasions of the environment monitoring industry, detection mechanisms, college laboratories and the like, at present, the preparation of the chemical reagents is mainly completed manually, and because the chemical reagents generally have the characteristics of toxicity, harm, flammability, explosiveness and the like, the manual preparation of the chemical reagents has certain dangerousness and higher dependence on professional ability, stability and responsibility of workers, otherwise, the situation of wrong preparation or poor accuracy of the chemical reagents is very likely to occur. In addition, the annual rise of labor cost also leads to the great increase of the cost of personnel for preparing chemical reagents, and in recent years, with the development of various monitoring and detection industries, the demand of the chemical reagents is continuously increased, so that the labor cost is increased year by year.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides the automatic reagent preparation device, which can realize accurate and automatic preparation of the chemical reagent.
The technical scheme for realizing the aim of the utility model is as follows: automatic reagent preparing device, prepare the system including liquid storage pot, reagent bottle, distilled water container, water container and solid starting material, the system is prepared to solid starting material includes funnel and three-way valve, the first single port of three-way valve is connected distilled water container, the single port of second of three-way valve is connected water container, the pipeline export that the multiport of three-way valve or be connected with the multiport of three-way valve is located in the funnel or be located the open-top of funnel, the top of liquid storage pot is equipped with first inlet, and the bottom is equipped with the liquid outlet, the exit linkage of funnel the first inlet of liquid storage pot, the liquid outlet of liquid storage pot is connected the reagent bottle, the liquid storage pot with be equipped with the solenoid valve on the connecting tube between the reagent bottle.
Preferably, an overflow port is arranged on the side wall of the liquid storage tank, the overflow port is connected with the waste liquid barrel through an overflow pipe, the overflow pipe is provided with an overflow detection device, the overflow detection device is provided with an overflow detection element for detecting whether liquid exists in a detection part of the overflow pipe, and an overflow control valve is arranged on the overflow pipe between the overflow port and the overflow detection device.
Preferably, the number of the overflow ports is a plurality, each overflow port is connected with the waste liquid barrel through an overflow pipe connected with the overflow port, the distance between each overflow port and the bottom of the liquid storage tank is different, that is, when each overflow port overflows respectively, the volume of the liquid stored in the liquid storage tank is different (the volume of the liquid storage tank below the horizontal plane where each overflow port is located is different), for example, two overflow ports are arranged on the liquid storage tank, the two overflow ports are arranged above each other, the volume of the liquid storage tank below the overflow port corresponding to the overflow port above the overflow port corresponding to the overflow port below the overflow port corresponding to the overflow port below the overflow port, and the overflow port corresponding to the overflow port above the overflow port corresponding to the overflow port below the overflow port corresponding to the overflow port below the overflow port corresponding to the overflow port of the liquid storage tank below the overflow port of the above the overflow port of the above the liquid storage tank of the below the liquid storage tank of the above the liquid storage tank of the above the liquid storage tank of the.
Preferably, the overflow detecting element is a photoelectric switch.
Preferably, the number of the solid raw material preparation systems is several, a first single port of each three-way valve is connected with the distilled water container, a second single port of each three-way valve is connected with the tap water container, and an outlet of each funnel is connected with a first liquid inlet of the liquid storage tank.
Preferably, a stirring device is arranged at the bottom of the liquid storage tank.
The stirring device may be a mechanical stirring device (e.g., a blade stirrer), or a magnetic stirring device, preferably a magnetic stirring device, the magnetic stirring device mainly comprises a stirring motor positioned outside the liquid storage tank (generally positioned below the liquid storage tank) and a permanent magnet driven by the stirring motor to rotate, the permanent magnet is transversely arranged, is fixedly arranged on a vertical shaft extension at the upper part of the stirring motor and is close to the bottom of the liquid storage tank, at least the bottom of the liquid storage tank is made of a material which does not hinder the transmission of magnetic force, such as most of plastics or glass, etc., a stirrer is arranged in the liquid storage tank, the stirrer can be spherical or in other suitable shapes and can do circular motion along with the permanent magnet under the drive of the permanent magnet, and then a rotational flow with high mixing effect is formed in the liquid storage tank through the stirring action of the stirrer.
Preferably, a heating device is arranged at the bottom inside the liquid storage tank, and the heating device can be an electric heater.
Preferably, the automatic reagent preparing device further comprises a liquid raw material preparing system, the liquid raw material preparing system comprises a peristaltic pump, a liquid level device, a multi-way valve and a plurality of raw material liquid bottles, the liquid storage tank is provided with a second liquid inlet, a single through port of the multi-way valve is connected with the second liquid inlet of the liquid storage tank, other single through ports are respectively connected with one of the raw material liquid bottles, the multi-way port of the multi-way valve is connected with the liquid inlet of the liquid level device, and the liquid outlet of the liquid level device is connected with the pump head of the peristaltic pump.
In practical application, the first liquid inlet and the second liquid inlet of the liquid storage tank can be one liquid inlet according to actual position relations among different devices, convenience in operation and other factors.
Preferably, be equipped with liquid pipe in the level gauge, the access connection of liquid pipe the inlet of level gauge, the exit linkage of liquid pipe the liquid outlet of level gauge, liquid pipe is equipped with liquid detection device, liquid detection device is equipped with the liquid detection component that is used for detecting liquid in the liquid pipe detection position.
Preferably, the liquid passing pipe is vertically arranged in the liquid level device, the liquid inlet of the liquid level device is positioned at the bottom of the liquid level device, and the liquid outlet of the liquid level device is positioned at the top of the liquid level device.
Preferably, the liquid detection element is a photoelectric switch.
Preferably, the number of the liquid detection elements is a plurality of, and a plurality of the liquid detection elements are arranged along the axial interval of the liquid passing tube, and respectively correspond to different liquid measurement amounts, for example, the number of the liquid detection elements is two, and is arranged along the axial interval of the liquid passing tube (arranged at vertical intervals, arranged one above the other), the liquid passing tube liquid inlet amount corresponding to the liquid detection element located below is 5ml, and the liquid passing tube liquid inlet amount corresponding to the liquid detection element located above is 10 ml.
The reagent automatic preparation device can be provided with a matched control device (a computer or a microcontroller) to control related elements/devices according to the prior art, and can also be used for collecting output signals of all detection elements through a matched and proper data acquisition circuit and sending the output signals to the control device to be used as a basis for controlling the related elements/devices to work.
The utility model has the beneficial effects that: the utility model can realize the automatic preparation of the chemical reagent which adopts the solid raw material (such as powder or crystal raw material), the automatic preparation of the chemical reagent which adopts the liquid raw material, and the automatic preparation of the chemical reagent which simultaneously needs the solid raw material and the liquid raw material, and has wide application range. In the preparation process of the chemical reagent, the solid raw materials and/or the liquid raw materials can be accurately metered, the prepared final reagent can be accurately quantified, the repeatability of the chemical reagent preparation is good, the accuracy is high, the speed is high, and the accuracy and the timeliness of the chemical reagent preparation are greatly improved. The preparation process of the chemical reagent reduces or even avoids manual participation, can reduce the risk of preparing the chemical reagent, can effectively avoid errors and errors which often occur when the chemical reagent is prepared manually, can also reduce the labor consumption to the greatest extent, and saves the labor cost.
Drawings
FIG. 1 is a schematic block diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of an embodiment of the fluid level gauge of the present invention.
Detailed Description
Referring to fig. 1, the utility model discloses an automatic reagent preparing device, comprising a liquid storage tank 1, a reagent bottle 2, a distilled water container 3, a tap water container 4 and a solid raw material preparing system, wherein the liquid storage tank is used for mixing raw materials for preparing chemical reagents and fixing the prepared chemical reagents to a constant volume, the reagent bottle is used for containing the prepared chemical reagents, the distilled water container is used for containing the prepared chemical reagents and distilled water required for cleaning the liquid storage tank and corresponding pipelines, the tap water container is used for containing tap water required for cleaning the liquid storage tank and corresponding pipelines, the solid raw material preparing system comprises a funnel 5 and a three-way valve 6, the funnel is used for containing and dissolving solid raw materials (such as powder or crystal raw materials) required for preparing the chemical reagents, the three-way valve is used for pipeline switching, and is provided with a multi-port (or called outlet) and two single-ports (or called inlets), a first single port of the three-way valve is connected with the distilled water container, a second single port of the three-way valve is connected with the tap water container, a multi-port of the three-way valve or a pipeline outlet connected with the multi-port of the three-way valve is positioned in the funnel or above an opening at the top of the funnel and is used for introducing distilled water or tap water into the funnel, a first liquid inlet is arranged at the top of the liquid storage tank, a liquid outlet is arranged at the bottom of the liquid storage tank, an outlet of the funnel is connected with the first liquid inlet of the liquid storage tank and is used for introducing solid raw materials or cleaning water (distilled water or tap water) dissolved in the funnel into the liquid storage tank, the liquid outlet of the liquid storage tank is connected with the reagent bottle and is used for feeding prepared chemical reagents into the reagent bottle or discharging the cleaning water, and a connecting pipeline between the liquid outlet of the liquid storage tank and the reagent bottle is provided with an electromagnetic valve 7, used for liquid outlet control.
The side wall of the liquid storage tank is preferably provided with an overflow port for constant volume of the liquid storage tank so as to accurately determine the amount of the prepared chemical reagent fed into the reagent bottle, the overflow port is connected with a waste liquid barrel 9 through an overflow pipe 8, the overflow pipe is provided with an overflow detection device 10, the overflow detection device is provided with an overflow detection element for detecting whether liquid exists in a detection part of the overflow pipe, and an overflow control valve is arranged on the overflow pipe between the overflow port and the overflow detection device.
The number of the overflow ports is preferably a plurality of, each overflow port is connected with the waste liquid barrel through an overflow pipe connected with each overflow port, the distance between each overflow port and the bottom of the liquid storage tank is different, namely when each overflow port overflows respectively, the volume of liquid stored in the liquid storage tank is different (the volume of the liquid storage tank below the horizontal plane where each overflow port is located is different), for example, two overflow ports are arranged on the liquid storage tank, the two overflow ports are arranged one above the other, the volume of the liquid storage tank below the overflow port is 500ml, and the volume of the liquid storage tank below the overflow port above the overflow port below the overflow port above the overflow port is 1000 ml. Through the arrangement of the plurality of overflow ports, the liquid storage tank can be subjected to constant volume with different volumes, so that the requirements on different reagent amounts of prepared chemical reagents fed into the reagent bottle are met.
The overflow detection element is preferably a photoelectric switch, and a transmitter and a receiver of the photoelectric switch are respectively positioned on two sides of the overflow pipe and are positioned on the same straight line perpendicular to the axis of the overflow pipe.
The number of the solid raw material preparation systems is preferably a plurality of, so that when chemical reagents need to be prepared by adopting a plurality of solid raw materials, the plurality of solid raw materials can be added into the liquid storage tank through one solid raw material preparation system, and not only can independent dilution operation of each solid raw material be realized, but also simultaneous dilution of the plurality of solid raw materials can be realized, and the solid raw materials can be added into the liquid storage tank. And a first single port of each three-way valve of the solid raw material preparation system is connected with the distilled water container, a second single port of each three-way valve is connected with the tap water container, and an outlet of each funnel is connected with a first liquid inlet of the liquid storage tank.
The bottom in the liquid storage tank is preferably provided with a stirring device 11 for stirring the mixed solution in the liquid storage tank, so that the mixing effect and the mixing efficiency are improved.
The stirring device can adopt a mechanical stirring device (such as a blade stirrer) and also can adopt a magnetic stirring device, preferably adopts the magnetic stirring device, and occupies a small space in the liquid storage tank. Magnetic stirring device is mainly including being located the agitator motor of the stock solution jar outside (being located usually the below of stock solution jar) and drive rotatory permanent magnet by agitator motor, the permanent magnet transversely sets up, and fixed mounting is stretched at the vertical axle on agitator motor upper portion, and is close to in the bottom of stock solution jar, the material that does not hinder the magnetic force transmission is adopted to the at least bottom of stock solution jar and is made, for example most plastics or glass etc., be equipped with the stirring seed in the stock solution jar, the stirring seed can be spherical or other suitable shapes, can be circular motion along with the permanent magnet under the drive of permanent magnet, and then stirring effect through the stirring seed is in form the whirl of high mixed effect in the stock solution jar.
The bottom of the liquid storage tank is preferably provided with a heating device 12 for heating the mixed solution or the solid-liquid mixture in the liquid storage tank when the raw materials which are provided with the chemical reagent and can be dissolved by heating exist in the raw materials. The heating device may employ an electric heater.
The automatic reagent preparing device preferably further comprises a liquid raw material preparing system, the liquid raw material preparing system comprises a peristaltic pump 13, a liquid level device 14, a multi-way valve 15 and a plurality of raw material liquid bottles 16, the raw material liquid bottle is used for containing liquid raw materials (reagent raw materials) required by chemical reagent preparation, the multi-way valve is used for pipeline switching, the peristaltic pump is used for providing power for the extraction of liquid raw materials and the pushing of the extracted liquid raw materials into the liquid storage tank, the liquid level is used for accurately metering the extracted liquid raw materials, the liquid storage tank is provided with a second liquid inlet, one single port of the multi-way valve is connected with the second liquid inlet of the liquid storage tank, the other single ports are respectively connected with the raw material liquid bottle, the multi-port of the multi-port valve is connected with the liquid inlet of the liquid level device, and the liquid outlet of the liquid level device is connected with the pump head of the peristaltic pump.
In practical application, the first liquid inlet and the second liquid inlet of the liquid storage tank can be one liquid inlet according to actual position relations among different devices, convenience in operation and other factors.
Referring to fig. 2, the liquid level device is preferably provided with a liquid passing tube 17, an inlet of the liquid passing tube is connected with a liquid inlet of the liquid level device, an outlet of the liquid passing tube is connected with a liquid outlet of the liquid level device, and the liquid passing tube is provided with a liquid detection device which is provided with a liquid detection element 18 for detecting whether liquid exists in a detection part of the liquid passing tube. The liquid passing pipe is preferably vertically arranged in the liquid level device, the liquid inlet of the liquid level device is positioned at the bottom of the liquid level device, and the liquid outlet of the liquid level device is positioned at the top of the liquid level device.
The liquid detection element is preferably a photoelectric switch, and a transmitter and a receiver of the photoelectric switch are respectively positioned on two sides of the liquid passing pipe and are positioned on the same horizontal straight line perpendicular to the axis of the liquid passing pipe. The scanning period of the photoelectric switch is preferably 1ms, namely the time interval of the light signal emitted by the emitter of the photoelectric switch is 1ms, so that the metering precision is improved.
The preferred a plurality of liquid detecting element's quantity, a plurality of liquid detecting element follows the axial interval of cross the liquid pipe sets up, corresponds different measurement liquid measure respectively, and the chemical reagent of being convenient for prepares required each liquid raw materials's quantity value different, measures each liquid raw materials fast, for example liquid detecting element's quantity is two, follows the axial interval of cross the liquid pipe sets up (vertical interval sets up, one on the other, is located the below the liquid detecting element corresponds crosses liquid pipe feed liquor volume and is 5ml, is located the top the liquid detecting element corresponds crosses liquid pipe feed liquor volume and is 10 ml.
The reagent automatic preparation device can be provided with a matched control device (a computer or a microcontroller) to control related elements/devices according to the prior art, or can also be used for collecting output signals of all detection elements through a matched and proper data acquisition circuit and sending the output signals to the control device to be used as a basis for controlling the work of the related elements/devices, and the control device can preset an operation flow according to the type of chemical reagents required to be prepared according to the prior art.
The automatic reagent preparing device is mainly suitable for automatic preparation of chemical reagents with raw materials of solid raw materials (powder or crystal raw materials) and/or liquid raw materials (reagent raw materials), the solid raw materials are required to be weighed in advance according to the raw material amount required by preparation of the chemical reagents and are placed in the funnel, the liquid raw materials are placed in the corresponding raw material liquid bottle, and the liquid level device and the peristaltic pump are used for quantitative weighing according to the preparation requirement of the chemical reagents.
The functions and the principles of each part of the automatic reagent preparation device are as follows:
a peristaltic pump: the high-precision peristaltic pump with accurate revolution adopts four or more rollers in the pump head, so that the relative stability in the liquid taking process is ensured;
a liquid level device: the high-precision liquid level metering device can accurately meter liquid raw materials (reagent raw materials);
raw material liquid bottles: for storing liquid raw materials (reagent raw materials);
a multi-way valve: the channel switching device is used for switching channels when the peristaltic pump pumps liquid raw materials and sends the liquid raw materials into the liquid storage tank, so that the liquid raw materials pumped by the peristaltic pump are accurately transferred into the liquid storage tank;
distilled water container: used for containing chemical reagents and distilled water required for cleaning a liquid storage tank and corresponding pipelines;
a tap water container: is used for containing tap water required by cleaning the liquid storage tank and the corresponding pipeline;
a funnel: for containing the weighed solid raw materials (powder film or crystal raw materials);
a three-way valve: the channel switching device is used for switching the channels of the distilled water and the tap water which are introduced into the funnel;
a liquid storage tank: mixing raw materials for preparing chemical reagents and fixing the volume of the prepared chemical reagents, arranging overflow ports on the side walls of positions with the volumes of 500ml and 1000ml, and matching an overflow detection device to fix the volume;
overflow detection device: the detection part is used for detecting whether liquid passes through the detection part of the overflow pipe;
reagent bottle: used for containing prepared chemical reagents;
electromagnetic valve: the liquid outlet control device is used for controlling the liquid outlet of the liquid storage tank;
a stirring device: the stirring device is used for stirring the mixed solution in the liquid storage tank, so that the mixing effect and the mixing efficiency are improved;
a heating device: the device is used for heating the mixed solution or the solid-liquid mixture in the liquid storage tank when raw materials which are prepared with chemical reagents and can be dissolved only by heating are available;
a waste liquid barrel: used for storing chemical reagents overflowed from the liquid storage tank.
The reagent automatic preparation device comprises the following specific implementation steps in practical use:
(1) formulating a flow for preparing the chemical reagent according to the formula of the chemical reagent, converting the flow into a control file and importing the control file into an external computer or a microcontroller;
(2) according to a process file, if liquid raw materials are needed to be used for preparing chemical reagents, controlling a multi-port of a multi-port valve to be communicated with a corresponding single port according to the process file, extracting the liquid raw materials in a corresponding raw material liquid bottle through a peristaltic pump (accurately metering the extracted liquid raw materials through a liquid level device in the extraction process), then controlling the multi-port of the multi-port valve to be communicated with the single port connected with a liquid storage tank, and transferring the extracted liquid raw materials into the liquid storage tank, if multiple liquid raw materials are needed, performing multiple operations;
(3) according to the flow document, one or more solid raw materials (powder or crystal raw materials) weighed in advance are poured into a corresponding funnel;
(4) controlling a multi-port of a three-way valve corresponding to a funnel for containing the solid raw materials to be communicated with a first single-port, washing the funnel by using distilled water, and washing the solid raw materials in the funnel into a liquid storage tank;
(5) the computer or the microcontroller converts the time of washing the distilled water according to the mass of the solid raw materials in the corresponding funnel in advance, the washing time is up, the corresponding three-way valve or the control valve (if any) on the corresponding pipeline is closed, and the washing of the funnels can be carried out simultaneously or sequentially;
(6) opening an overflow control valve and an overflow detection device on the corresponding overflow pipe according to the set volume of the chemical reagent required to be prepared, and scanning the overflow pipe by an overflow detection element in real time;
(7) controlling a plurality of ports of one, part or all three-way valves (preferably the three-way valves corresponding to the funnels containing the solid raw materials) to be communicated with the first single port, opening control valves (if any) on corresponding pipelines, injecting distilled water into the liquid storage tank, and simultaneously playing a role in cleaning the funnels;
(8) when the opened overflow detection device detects an overflow signal (when liquid passes through the detection part of the overflow pipe), all opened three-way valves or control valves (if any) on corresponding pipelines are closed at the same time, and the corresponding overflow control valves and the overflow detection device are closed;
(9) opening a stirring device and/or a heating device according to the preparation requirement;
(10) the stirring and/or heating time set in advance is reached, and the stirring device and/or the heating device are/is closed;
(11) standing the prepared chemical reagent in the liquid storage tank according to the set reagent standing time, and then opening an electromagnetic valve to transfer the prepared chemical reagent into a reagent bottle;
(12) closing the electromagnetic valve, and taking away the reagent bottle;
(13) manually placing the waste liquid barrel at an outlet of a liquid outlet pipe of the liquid storage tank (the position of a reagent bottle before the reagent bottle is taken away), controlling a multi-port of one, part or all three-way valves (preferably the three-way valves corresponding to a funnel containing the solid raw materials) to be communicated with a second single port, opening control valves (if any) on corresponding pipelines, and injecting tap water into the liquid storage tank;
(14) opening an overflow control valve and an overflow detection device on an overflow pipe with the highest position (the highest distance from the bottom of the liquid storage tank), scanning the overflow pipe in real time by an overflow detection element, closing all opened three-way valves or control valves (if any) on corresponding pipelines at the same time after detecting that liquid passes through a detection part of the overflow pipe, and closing the corresponding overflow control valve and the corresponding overflow detection device;
(15) turning on the stirring device (and turning on the heating device if necessary), and fully cleaning the liquid storage tank by using tap water;
(16) after the stirring time is up, closing the stirring device (if the heating device is started, simultaneously closing the heating device), opening the electromagnetic valve, and discharging the tap water in the liquid storage tank into the waste liquid barrel;
(17) controlling a plurality of ports of one, part or all of the three-way valves (preferably the three-way valves corresponding to the hoppers containing the solid raw materials) to be communicated with the first single port, opening control valves (if any) on corresponding pipelines, injecting distilled water into the liquid storage tank, and repeating the steps (14) to (16).
The connection between the parts is realized by adopting a proper pipeline according to the prior art.
The preferred and optional technical means disclosed in the present invention may be combined arbitrarily to form several different technical solutions, except for the specific description and the further limitation that one preferred or optional technical means is another technical means.
Claims (10)
1. Automatic reagent preparing device, its characterized in that includes liquid storage pot, reagent bottle, distilled water container, water container and solid raw materials and prepares the system, solid raw materials prepares the system and includes funnel and three-way valve, the first single port of three-way valve is connected distilled water container, the single port of second of three-way valve is connected the water container, the pipeline export that the multiport of three-way valve or be connected with the multiport of three-way valve is located in the funnel or be located the open-top of funnel, the top of liquid storage pot is equipped with first inlet, and the bottom is equipped with the liquid outlet, the exit linkage of funnel the first inlet of liquid storage pot, the liquid outlet of liquid storage pot is connected the reagent bottle, the liquid storage pot with be equipped with the solenoid valve on the connecting tube between the reagent bottle.
2. The apparatus for automatically preparing reagent according to claim 1, wherein an overflow port is provided on a side wall of the liquid storage tank, the overflow port is connected to the waste liquid tank through an overflow pipe, the overflow pipe is provided with an overflow detection means, the overflow detection means is provided with an overflow detection element for detecting the presence or absence of liquid in a detection portion of the overflow pipe, and an overflow control valve is provided on the overflow pipe between the overflow port and the overflow detection means.
3. The automatic reagent preparing apparatus according to claim 2, wherein the number of the overflow ports is plural, the distance between each overflow port and the bottom of the liquid storage tank is different, and each overflow port is connected to the waste liquid tank through an overflow pipe connected to each overflow port.
4. The automatic reagent preparing apparatus according to claim 2, wherein the overflow detecting element is an opto-electronic switch.
5. The automatic reagent preparing apparatus according to claim 1, wherein the number of the solid raw material preparing systems is several, a first single port of each of the three-way valves is connected to the distilled water container, a second single port of each of the three-way valves is connected to the tap water container, and an outlet of each of the funnels is connected to the first liquid inlet of the liquid storage tank.
6. The automatic reagent preparing apparatus according to claim 1, wherein a stirring device is provided at the bottom of the liquid storage tank.
7. The automatic reagent preparing apparatus according to claim 1, wherein a heating means is provided at the bottom of the liquid storage tank.
8. The automatic reagent preparing device according to claim 1, 2, 3, 4, 5, 6 or 7, further comprising a liquid raw material preparing system, wherein the liquid raw material preparing system comprises a peristaltic pump, a liquid level device, a multi-way valve and a plurality of raw material liquid bottles, the liquid storage tank is provided with a second liquid inlet, one single port of the multi-way valve is connected with the second liquid inlet of the liquid storage tank, the other single ports are respectively connected with one raw material liquid bottle, the multi-way ports of the multi-way valve are connected with the liquid inlet of the liquid level device, and the liquid outlet of the liquid level device is connected with the pump head of the peristaltic pump.
9. The automatic reagent preparing apparatus according to claim 8, wherein a liquid passing tube is provided in the liquid level device, an inlet of the liquid passing tube is connected to a liquid inlet of the liquid level device, an outlet of the liquid passing tube is connected to a liquid outlet of the liquid level device, the liquid passing tube is provided with a liquid detecting device, and the liquid detecting device is provided with a liquid detecting element for detecting whether liquid exists in a detection portion of the liquid passing tube.
10. The automatic reagent preparing apparatus according to claim 9, wherein the number of the liquid detecting elements is plural, and plural liquid detecting elements are provided at intervals in the axial direction of the flow-through tube.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220569327.0U CN216987669U (en) | 2022-03-16 | 2022-03-16 | Automatic reagent preparation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220569327.0U CN216987669U (en) | 2022-03-16 | 2022-03-16 | Automatic reagent preparation device |
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| CN216987669U true CN216987669U (en) | 2022-07-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115518597A (en) * | 2022-09-16 | 2022-12-27 | 安徽瀚海博兴生物技术有限公司 | Automatic chemical reaction platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115518597A (en) * | 2022-09-16 | 2022-12-27 | 安徽瀚海博兴生物技术有限公司 | Automatic chemical reaction platform |
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