CN211927761U - Reaction cup for measuring concentration of sample liquid to be measured by double-electrode method - Google Patents

Abstract

The utility model provides a reaction cup that is used for bipolar electrode method to measure sample liquid concentration that awaits measuring, including cup and bowl cover, the bowl cover includes two electrode through-holes and a plurality of fluid through-hole, the first one of cup is cylindric structure, and the lower half of cup is inverted round platform column structure, two electrode through-holes adopt the slope to set up in opposite directions from top to bottom, the vertical projection of fluid through-hole all falls in the bottom surface of round platform column structure, and the vertical projection line of fluid through-hole and the virtual extension line of electrode through-hole are mutually not crossing, the utility model discloses simple structure need not pour into too much solution and just can accomplish the purpose of detection.

Description

Reaction cup for measuring concentration of sample liquid to be measured by double-electrode method

Technical Field

The utility model belongs to reagent concentration detection's reaction cup, concretely relates to reaction cup that is used for bipolar electrode method to measure the sample liquid concentration that awaits measuring.

Background

Along with the requirement of industrial standards, the detection precision of solution concentration is more and more strict, the method for measuring and calculating the concentration of the sample solution by adopting the double-electrode method needs to operate in a reaction cup, the concentration detection precision effect of a common cylindrical reaction cup is poor when the double-electrode method is adopted for measurement, the cross section of the cup body is large, and the double electrodes need to be immersed in the solution to complete detection, so that the amount of a sample to be injected is increased, unnecessary reagent waste is caused, if the cross section of the cup body is changed to be small, liquid is discharged from an overflow port when different sample solutions to be detected are measured, and the detection precision is caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, the present invention provides a reaction cup with a simple structure for measuring the concentration of a sample solution to be measured by a dual-electrode method, and particularly, the purpose of detection can be achieved without injecting too much solution.

The utility model discloses frame construction's technical scheme as follows: the utility model provides a reaction cup that is used for bipolar electrode method to measure sample liquid concentration that awaits measuring, includes cup and bowl cover, the bowl cover includes two electrode through-holes and a plurality of fluid through-hole, the first half of cup is cylindric structure, and the lower half of cup is inverted round platform column structure, two electrode through-holes adopt the slope to set up in opposite directions from top to bottom, the vertical projection of fluid through-hole all falls on the bottom surface of round platform column structure, and the vertical projection line of fluid through-hole and the virtual extension line of electrode through-hole are mutually not crossing.

Preferably, a liquid outlet is arranged on the side wall of the bottom of the circular truncated cone-shaped structure of the cup body.

Preferably, the curved wall of the cylindrical structure of the cup body is provided with an overflow port.

Further, the liquid outlet and the overflow port form a 90-degree angle.

Preferably, the cup body is made of high-purity transparent quartz glass.

Preferably, the electrode through hole and the fluid through hole are internally provided with internal thread structures.

Preferably, the electrode through-hole is inclined at an angle of 6 °.

Preferably, the number of the fluid passage holes is eight.

The utility model has the advantages that:

1. the upper half part of the cup body is of a cylindrical structure and is matched with the cup cover, the two electrode through holes are arranged in opposite directions in an inclined mode from top to bottom, and the double electrodes are arranged in opposite directions after being inserted into the electrode through holes respectively, so that the electrodes can be inserted into the cup body of the inverted round table-shaped structure with the smaller cross section.

2. The lower half part of the cup body is of an inverted round table-shaped structure, the cross section of the bottom of the inverted round table-shaped structure is small, and under the same depth, the detection can be completed without injecting excessive solution when the cross section is small.

3. The vertical projection of the fluid through hole is all dropped on the bottom surface of the circular truncated cone-shaped structure, during titration, partial sample liquid is prevented from remaining on the curved wall of the circular truncated cone-shaped structure to influence the detection accuracy, the vertical projection line of the fluid through hole is not intersected with the virtual extension line of the electrode through hole, the virtual extension line of the electrode through hole is the position of the electrode in the cup body, and the purpose is to prevent the sample liquid from being dripped onto the electrode after being injected into the cup body by the fluid through hole to influence the detection accuracy.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the reaction cup of the present invention.

Reference numerals: 1. a cup cover; 2. a cup body; 3. an electrode through hole; 4. a fluid through-hole; 5. an overflow port; 6. and a liquid discharge port.

Detailed Description

The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

As shown in fig. 1, a reaction cup for measuring concentration of sample liquid to be measured by a double-electrode method comprises a cup body 2 and a cup cover 1, wherein the cup cover 1 comprises two electrode through holes 3 and a plurality of fluid through holes 4, the two electrode through holes 3 are arranged oppositely in an inclined manner from top to bottom, the inclination angle of each electrode through hole 3 is 6 degrees, the electrodes are required to be inserted into the two electrode through holes 3, the distance between the double electrodes in the cup body 2 is gradually reduced from top to bottom, and the double electrodes can be inserted into the cup body with a small cross section and an inverted round table-shaped structure.

The upper half of cup 2 is cylindric structure, and cylindric structure's upper end and bowl cover 1 mutually support, and the lower half of cup 2 is inversion formula round platform column structure, and the setting of inversion formula round platform column structure, the purpose is that the cross section from top to bottom reduces gradually, can reduce the solution injection volume satisfying same degree of depth.

The vertical projection of the fluid through holes 4 is all located on the bottom surface of the circular truncated cone-shaped structure, the vertical projection line of the fluid through holes 4 is not intersected with the virtual extension line of the electrode through holes 3, and liquid injected into the fluid through holes 4 is directly titrated into mixed solution instead of being titrated onto the electrode or the cup wall of the circular truncated cone-shaped structure to influence detection accuracy.

The liquid outlet 6 is arranged on the side wall of the bottom of the truncated cone-shaped structure of the cup body 2, the liquid outlet 6 is designed to completely discharge the solution after detection, and the solution in the reaction cup can be completely discharged by being arranged on the side wall of the bottom.

The curved wall of the cylindrical structure of the cup body 2 is provided with an overflow port 5, the design of the overflow port 5 prevents the solution from overflowing to corrode parts, wherein the overflow port 5 and the liquid discharge port 6 form a 90 DEG angle

The cup body 2 is made of high-purity transparent quartz glass, so that a user can conveniently observe the physical state of the solution in the reaction cup, and the material has good corrosion resistance and high mechanical property.

All be equipped with internal thread structure in electrode through-hole 3 and the fluid through-hole 4, no matter the insertion of electrode or the access of reagent hard tube, all need correspond supporting external screw thread mount pad, and external screw thread mount pad and above-mentioned internal thread structure threaded connection improve the stability of electrode and reagent hose during operation.

The number of the fluid through holes 4 is eight, in the sample liquid checking, detecting and analyzing process, different reagents, dripping calibration liquid, sample liquid to be detected, electrode protection liquid, pure water and the like need to be added according to different requirements of measurement parameters, the types of the dripping reagents also need to be injected from different injection ports, and therefore the number of the fluid through holes is set to be eight, and the detection of all sample liquids can be met.

The preferred embodiments and examples of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the embodiments and examples, and various changes can be made without departing from the concept of the present invention within the knowledge of those skilled in the art.

Claims (6)

1. The utility model provides a reaction cup that is used for bipolar electrode method to measure sample solution concentration that awaits measuring, includes cup and bowl cover, its characterized in that: the cup cover comprises two electrode through holes and a plurality of fluid through holes, the upper half part of the cup body is of a cylindrical structure, the lower half part of the cup body is of an inverted round platform-shaped structure, the two electrode through holes are arranged in opposite directions in an inclined mode from top to bottom, the vertical projections of the fluid through holes are all located on the bottom surface of the round platform-shaped structure, the vertical projection lines of the fluid through holes and the virtual extension lines of the electrode through holes are not intersected with each other, a liquid discharge port is formed in the side wall of the bottom of the round platform-shaped structure of the cup body, and an overflow port is formed in the curved wall.

2. The cuvette for measuring the concentration of a sample liquid to be measured by the two-electrode method according to claim 1, wherein: the liquid outlet and the overflow port form a 90-degree angle.

3. The cuvette for measuring the concentration of a sample liquid to be measured by the two-electrode method according to claim 1, wherein: the cup body is made of high-purity transparent quartz glass.

4. The cuvette for measuring the concentration of a sample liquid to be measured by the two-electrode method according to claim 1, wherein: and internal thread structures are arranged in the electrode through hole and the fluid through hole.

5. The cuvette for measuring the concentration of a sample liquid to be measured by the two-electrode method according to claim 1, wherein: the inclination angle of the electrode through hole is 6 degrees.

6. The cuvette for measuring the concentration of a sample liquid to be measured by the two-electrode method according to claim 1, wherein: the number of the fluid through holes is eight.

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