CN219348832U

CN219348832U - Constant-volume multipoint aqueous solution quality control instrument

Info

Publication number: CN219348832U
Application number: CN202222540296.9U
Authority: CN
Inventors: 袁宇东; 关李河; 李聪国
Original assignee: Guangzhou Thankung Environment Technology Co ltd
Current assignee: Guangzhou Thankung Environment Technology Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-07-14
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a constant-volume multipoint aqueous solution quality control instrument, which relates to the technical field of quality control of water quality analysis instruments; the upper end of the capacity cup is respectively communicated with a purified water peristaltic pump, a stock solution peristaltic pump and a sample water peristaltic pump through water pipes, the purified water peristaltic pump, the stock solution peristaltic pump and the sample water peristaltic pump are respectively communicated with a purified water sample inlet, a stock solution sample inlet and a sample water sample inlet at the bottom of the quality control box through water pipes, the bottom of the capacity cup is communicated with a capacity cup discharge port through a capacity cup discharge valve on the water pipes, a quality control liquid outlet is fixedly arranged at the lower side of the capacity cup, and the upper end of the capacity cup is communicated with a cleaning tap water inlet through a cleaning electromagnetic valve on the water pipes; the intelligent control system adopts the precise metering pump and the automatic proportioning control system, can complete proportioning of any proportion within an allowable range through an intelligent algorithm, generates quality control solution with any concentration, and can effectively solve the defect that only a few of fixed proportioning exists.

Description

Constant-volume multipoint aqueous solution quality control instrument

Technical Field

The utility model belongs to the technical field of quality control of water quality analysis instruments, and particularly relates to a constant-volume multipoint aqueous solution quality control instrument.

Background

The water quality monitoring quality control instrument can monitor and check the validity of the data measured by the water quality analyzer. For example, a quality control sample with a certain concentration is prepared and is conveyed to a water quality analyzer, a corresponding measured value is collected, and whether an error value is within an allowable range is calculated by comparing the measured value with the given concentration, so that whether the water quality analyzer works normally or not and the validity of sample water analysis data are judged.

The existing quality control instrument generally outputs a limited concentration quantity of standard liquid, only can output a plurality of concentration standard liquids preset in the interior for quality control, cannot cover the full range of the water quality online monitoring instrument in quality control application, cannot effectively control more measuring points in the full range, has limited quality control effect, and can not be custom-operated according to own will due to the preset, and provides possibility of free editing in a separable actual situation for field maintenance personnel.

Disclosure of Invention

In order to solve the defects and the defects of the prior art, the utility model aims to provide the constant-volume multipoint aqueous solution quality control instrument which has the advantages of simple structure, reasonable design and convenient use, adopts a precise metering pump and an automatic proportioning control system, and can complete proportioning of any proportion within an allowable range through an intelligent algorithm.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the device comprises a purified water peristaltic pump, a stock solution peristaltic pump, a sample water peristaltic pump, a volume cup discharge valve, a cleaning electromagnetic valve, a purified water sample inlet, a stock solution sample inlet, a sample water sample inlet, a quality control liquid outlet, a volume cup discharge port, a cleaning tap water inlet and a display controller; the upper side of the quality control box is fixedly provided with a display controller, and the lower side of the quality control box is fixedly provided with a purified water peristaltic pump, a stock solution peristaltic pump, a sample water peristaltic pump and a capacity cup; the upper end of the capacity cup is respectively communicated with the purified water peristaltic pump, the stock solution peristaltic pump and the sample water peristaltic pump through water pipes, the purified water peristaltic pump, the stock solution peristaltic pump and the sample water peristaltic pump are respectively communicated with a purified water sample inlet, a stock solution sample inlet and a sample water sample inlet at the bottom of the quality control box through water pipes, the bottom of the capacity cup is communicated with a capacity cup discharge port through a capacity cup discharge valve on the water pipes, a quality control liquid outlet is fixedly arranged at the lower side of the capacity cup, and the upper end of the capacity cup is communicated with a cleaning tap water inlet through a cleaning electromagnetic valve on the water pipes.

Preferably, the capacity cup is provided with an upper liquid level sensor, a middle liquid level sensor and a lower liquid level sensor from top to bottom in sequence, and the upper liquid level sensor, the middle liquid level sensor and the lower liquid level sensor are all electrically connected with the display controller.

Preferably, the upper side of the capacity cup is fixedly provided with a capacity cup overflow port, and the capacity cup overflow port is communicated with the capacity cup overflow discharge port through a water pipe.

Preferably, an electromagnetic stirrer is installed in the capacity cup, and the electromagnetic stirrer is electrically connected with the display controller.

Preferably, the purified water peristaltic pump, the stock solution peristaltic pump, the sample water peristaltic pump, the capacity cup discharge valve and the cleaning electromagnetic valve are all electrically connected with the display controller.

Preferably, a control switch is fixedly arranged at the position of the quality control liquid outlet and is communicated with the analyzer, and the analyzer is electrically connected with the display controller.

Compared with the prior art, the utility model has the beneficial effects that: the utility model adopts the precise metering pump and the automatic proportioning control system, and can complete proportioning of any proportion within the allowable range through an intelligent algorithm, so as to generate quality control solution with any concentration, and effectively solve the defect that only a few of fixed proportioning exists.

Drawings

For ease of illustration, the utility model is described in detail by the following detailed description and the accompanying drawings.

Fig. 1 is a schematic structural view of the present utility model.

In the figure: the device comprises a purified water peristaltic pump 1, a stock solution peristaltic pump 2, a sample water peristaltic pump 3, a capacity cup 4, an electromagnetic stirrer 5, an upper liquid level sensor 6, a middle liquid level sensor 7, a lower liquid level sensor 8, a capacity cup discharge valve 9, a capacity cup overflow port 10, a cleaning electromagnetic valve 11, a purified water sample inlet 12, a stock solution sample inlet 13, a sample water sample inlet 14, a quality control liquid outlet 15, a capacity cup discharge port 16, a capacity cup overflow discharge port 17, a cleaning tap water inlet 18 and a display controller 19.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

It should be noted here that, in order to avoid obscuring the present utility model due to unnecessary details, only structures and/or processing steps closely related to the solution according to the present utility model are shown in the drawings, while other details not greatly related to the present utility model are omitted.

As shown in fig. 1, the present embodiment adopts the following technical scheme: the device comprises a purified water peristaltic pump 1, a stock solution peristaltic pump 2, a sample water peristaltic pump 3, a capacity cup 4, a capacity cup discharge valve 9, a cleaning electromagnetic valve 11, a purified water sample inlet 12, a stock solution sample inlet 13, a sample water sample inlet 14, a quality control liquid outlet 15, a capacity cup discharge port 16, a cleaning tap water inlet 18 and a display controller 19; the upper side of the quality control box is fixedly provided with a display controller 19, and the lower side of the quality control box is fixedly provided with a purified water peristaltic pump 1, a stock solution peristaltic pump 2, a sample water peristaltic pump 3 and a capacity cup 4; the upper end of the capacity cup 4 is respectively communicated with the purified water peristaltic pump 1, the stock solution peristaltic pump 2 and the sample water peristaltic pump 3 through water pipes, the purified water peristaltic pump 1, the stock solution peristaltic pump 2 and the sample water peristaltic pump 3 are respectively communicated with the purified water sample inlet 12, the stock solution sample inlet 13 and the sample water sample inlet 14 at the bottom of the quality control box through water pipes, the bottom of the capacity cup 4 is communicated with the capacity cup discharge port 16 through a capacity cup discharge valve 9 on the water pipes, a quality control liquid outlet 15 is fixedly arranged at the lower side of the capacity cup 4, and the upper end of the capacity cup 4 is communicated with a cleaning tap water inlet 18 through a cleaning electromagnetic valve 11 on the water pipes.

Wherein; the capacity cup 4 is provided with an upper liquid level sensor 6, a middle liquid level sensor 7 and a lower liquid level sensor 8 in sequence from top to bottom, and the upper liquid level sensor 6, the middle liquid level sensor 7 and the lower liquid level sensor 8 are all electrically connected with a display controller 19; the upper side of the capacity cup 4 is fixedly provided with a capacity cup overflow port 10, and the capacity cup overflow port 10 is communicated with a capacity cup overflow discharge port 17 through a water pipe; an electromagnetic stirrer 5 is installed in the capacity cup 4, and the electromagnetic stirrer 5 is electrically connected with a display controller 19.

In addition, the pure water peristaltic pump 1, the stock solution peristaltic pump 2, the sample water peristaltic pump 3, the capacity cup discharge valve 9 and the cleaning electromagnetic valve 11 are all electrically connected with the display controller 19; a control switch is fixedly arranged at the quality control liquid outlet 15 and is communicated with the analyzer, and the analyzer is electrically connected with the display controller 19.

The working principle of the specific embodiment is as follows: setting a standard value of the liquid to be output on a display controller 19, starting a configuration program, automatically cleaning a capacity cup 4 (a cleaning electromagnetic valve 11 is opened to enter pure water, a capacity cup discharge valve 9 is closed, the cleaning electromagnetic valve 11 is closed when the pure water is filled up to an upper liquid level sensor 6, the capacity cup discharge valve 9 is opened to discharge all the pure water, namely, 5 seconds after a lower liquid level sensor 8 receives a signal and stops, repeating the above actions for 3 times), proportionally mixing the pure water and the stock solution (the pure water peristaltic pump 1 and the stock solution peristaltic pump 2 are started and run until the operation is finished according to the given step number of the controller), starting an electromagnetic stirrer for 10 seconds, standing for 30 seconds, finishing the configuration of the quality control liquid, and outputting the finished quality control liquid to an analyzer through a quality control liquid outlet 15.

The utility model can complete any proportion, and as long as an operator presets any concentration standard liquid which is wanted, the quality control instrument can calculate by itself how much concentrated standard liquid and how much pure water are needed to be added, and the corresponding peristaltic pump automatically calculates the number of steps which should be operated, so as to prepare corresponding solution.

The utility model takes a precise metering pump as a core, is matched with an automatic proportioning control system and flow path switching, completes the function of inputting quality control samples and pure water into an analysis instrument through full-automatic random proportioning of multiple modes of standard liquid and pure water and can be linked with a trigger signal, a communication signal or a control signal of a PLC system of the analysis instrument, thereby achieving the function of automatically controlling the quality of the analysis instrument and ensuring the accuracy and the reliability of automatic analysis data.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

It should be further understood that, although the present disclosure describes embodiments, not every embodiment is provided with a single embodiment, and that this description is provided for clarity only, and that the embodiments of the disclosure may be suitably combined to form other embodiments as will be understood by those skilled in the art.

Claims

1. A constant volume multiple spot aqueous solution quality control appearance, its characterized in that: the device comprises a purified water peristaltic pump (1), a stock solution peristaltic pump (2), a sample water peristaltic pump (3), a Rong Liangbei (4), a capacity cup discharge valve (9), a cleaning electromagnetic valve (11), a purified water sample inlet (12), a stock solution sample inlet (13), a sample water sample inlet (14), a quality control liquid outlet (15), a capacity cup discharge port (16), a cleaning tap water inlet (18) and a display controller (19); a display controller (19) is fixedly arranged on the upper side of the quality control box, and a purified water peristaltic pump (1), a stock solution peristaltic pump (2), a sample water peristaltic pump (3) and a Rong Liangbei (4) are fixedly arranged on the lower side of the quality control box; the upper end of the capacity cup (4) is respectively communicated with the pure water peristaltic pump (1), the stock solution peristaltic pump (2) and the sample water peristaltic pump (3) through water pipes, the pure water peristaltic pump (1), the stock solution peristaltic pump (2) and the sample water peristaltic pump (3) are respectively communicated with the pure water inlet (12), the stock solution inlet (13) and the sample water inlet (14) at the bottom of the quality control box through water pipes, the bottom of the Rong Liangbei (4) is communicated with the capacity cup discharge port (16) through a capacity cup discharge valve (9) on the water pipes, a quality control liquid outlet (15) is fixedly arranged at the lower side of the Rong Liangbei (4), and the upper end of the Rong Liangbei (4) is communicated with a cleaning tap water inlet (18) through a cleaning electromagnetic valve (11) on the water pipes.

2. The constant volume multipoint aqueous solution quality control instrument according to claim 1, wherein: the capacity cup (4) is provided with an upper liquid level sensor (6), a middle liquid level sensor (7) and a lower liquid level sensor (8) from top to bottom in sequence, and the upper liquid level sensor (6), the middle liquid level sensor (7) and the lower liquid level sensor (8) are electrically connected with a display controller (19).

3. The constant volume multipoint aqueous solution quality control instrument according to claim 1, wherein: the upper side of the capacity cup (4) is fixedly provided with a capacity cup overflow port (10), and the capacity cup overflow port (10) is communicated with a capacity cup overflow discharge port (17) through a water pipe.

4. The constant volume multipoint aqueous solution quality control instrument according to claim 1, wherein: an electromagnetic stirrer (5) is arranged in the capacity cup (4), and the electromagnetic stirrer (5) is electrically connected with a display controller (19).

5. The constant volume multipoint aqueous solution quality control instrument according to claim 1, wherein: the pure water peristaltic pump (1), the stock solution peristaltic pump (2), the sample water peristaltic pump (3), the capacity cup discharge valve (9) and the cleaning electromagnetic valve (11) are all electrically connected with the display controller (19).

6. The constant volume multipoint aqueous solution quality control instrument according to claim 1, wherein: and a control switch is fixedly arranged at the quality control liquid outlet (15), the control switch is communicated with the analyzer, and the analyzer is electrically connected with the display controller (19).