阅读说明：本技术 一种雨水酸度分析检测装置及其检测方法 (Rainwater acidity analysis and detection device and detection method thereof ) 是由 覃国飞 崔二虎 常俊辉 高威 于 2021-08-26 设计创作，主要内容包括：本发明公开了一种雨水酸度分析检测装置及其检测方法,包括手持端,所述手持端底部一端固定连接有安装座,所述安装座底部等距设置有四个检测探头,所述检测探头底部设置有检测端,所述检测端内部设置有温度传感器和玻璃电极,所述玻璃电极顶部设置有搅拌叶片。该种雨水酸度分析检测装置及其检测方法,通过在安装座底部设置的四个检测探头,可以对多个检测样品同时进行检测,提高该装置的检测效率,通过在检测探头内部设置的微型电机和搅拌叶片,可以对待检测样品溶液进行搅拌,可以避免传统检测装置检测端内部的检测传感器发生磕碰损坏,提高该装置使用的安全性,以及检测结果的准确性。(The invention discloses a rainwater acidity analysis and detection device and a detection method thereof, and the device comprises a handheld end, wherein one end of the bottom of the handheld end is fixedly connected with an installation seat, four detection probes are arranged at the bottom of the installation seat at equal intervals, a detection end is arranged at the bottom of each detection probe, a temperature sensor and a glass electrode are arranged in each detection end, and a stirring blade is arranged at the top of each glass electrode. According to the rainwater acidity analysis and detection device and the detection method thereof, through the four detection probes arranged at the bottom of the mounting seat, a plurality of detection samples can be detected simultaneously, the detection efficiency of the device is improved, the solution of the detection samples can be stirred through the micro motor and the stirring blades arranged in the detection probes, the detection sensor in the detection end of the traditional detection device can be prevented from colliding and damaging, the use safety of the device is improved, and the accuracy of detection results is improved.)

1. The utility model provides a rainwater acidity analysis and detection device, includes handheld end (1), its characterized in that, handheld end (1) bottom one end fixedly connected with mount pad (2), handheld end (1) top one side is provided with display screen (101), the top of handheld end (1) display screen (101) one side is provided with a plurality of control button (102), handheld end (1) bottom is kept away from mount pad (2) one end has seted up the battery compartment, the battery compartment inside is provided with the lithium cell, battery compartment top joint has apron (103), mount pad (2) bottom equidistance is provided with four test probe (3), and four test probe (3) structure is the same, test probe (3) bottom is provided with sense terminal (301), sense terminal (301) inside is provided with temperature sensor (4) and glass electrode (5), and stirring blades (6) are arranged at the top of the glass electrode (5).

2. The device for analyzing and detecting acidity of rainwater according to claim 1, wherein a protective sleeve (7) is arranged at the bottom of the detection probe (3), the top of the inner wall of the protective sleeve (7) is threaded, the periphery of the top of the detection end (301) is threaded, and the top of the protective sleeve (7) is in threaded connection with the periphery of the top of the detection end (301).

3. The rainwater acidity analysis and detection device according to claim 1, wherein a protection ring (302) is arranged on the bottom periphery of the detection end (301), a plurality of grooves are formed on the periphery of the protection ring (302), and the stirring blade (6) is arranged at the inner center end of the protection ring (302).

4. The device for analyzing and detecting acidity of rainwater according to claim 1, wherein a micro motor (8) is arranged inside the detection probe (3), a rotating shaft (801) is arranged at an output end of the bottom of the micro motor (8), the bottom of the rotating shaft (801) penetrates through the central end of the bottom of the detection end (301), threads are formed on the periphery of the bottom of the rotating shaft (801), and the bottom of the rotating shaft (801) is fixedly connected with the central end inside the stirring blade (6) through a nut.

5. A rainwater acidity analysis and detection device according to claim 4, wherein the temperature sensor (4) is fixedly connected with one side of the rotating shaft (801) at the bottom of the detection end (301), and the glass electrode (5) is fixedly connected with the other side of the rotating shaft (801) at the bottom of the detection end (301).

6. The rainwater acidity analysis and detection device according to claim 1, wherein an inner reference electrode (501) and an outer reference electrode (502) are arranged inside the glass electrode (5), the inner reference electrode (501) and the outer reference electrode (502) are made of silver chloride, an inner reference solution (503) is filled inside the glass electrode (5), and the inner reference solution (503) is made of a mixed solution of neutral phosphate and potassium chloride.

7. A detection method of a rainwater acidity analysis and detection device is characterized by comprising the following steps:

s1: sampling samples at the site A and the site B in the early stage of rain: preparing two clean beakers, numbering a sample I and a sample II correspondingly, respectively placing the beakers on a site A and a site B, and sampling and collecting rain water at the early stage of raining of the site A and the site B;

s2: sampling samples in the raining middle period of the site A and the site B: preparing two clean beakers, correspondingly numbering a sample three and a sample four, respectively placing the beakers on a site A and a site B, and sampling and collecting rainwater in the middle stage of raining of the site A and the site B;

s3: preparation of the detection device: respectively screwing off the protective sleeves at the bottoms of the four detection probes, cleaning the temperature sensors, the glass electrodes and the stirring blades at the periphery of the detection end and in the detection end by using distilled water, and wiping the temperature sensors, the glass electrodes and the stirring blades by using filter paper;

s4: detection of sample solution: the detection device is opened through a control button at the top of the handheld end, the four detection probes respectively extend into proper liquid levels in the first sample, the second sample, the third sample and the fourth sample, and the detection device is fixed through a fixing support;

s5: stirring the sample solution: in order to enable the detected acidity detection value of the sample solution to be more accurate, a micro motor in a detection probe is started through a control button to drive a stirring blade to rotate so as to stir the sample solution, and after the sample solution is stirred for a period of time, the micro motor is turned off through the control button to stop stirring;

s6: numerical recording of sample solutions: and standing the stirred sample solution until the reading of each sample solution is displayed on a display screen, and recording the read numerical value.

Technical Field

The invention relates to the technical field of liquid solution acidity detection equipment, in particular to a rainwater acidity analysis and detection device and a detection method thereof.

Background

The rainwater detects the pollution degree that can embody the environment to a certain extent. The detection department often needs to collect rainwater and detect the rainwater. And then people in rainy areas can be reminded to make protective measures in time.

In order to make the detection of rainwater more convenient, therefore need adopt rainwater detection device to detect the rainwater, traditional rainwater detection device is inside only to be provided with single test probe, need wash test probe after detecting the completion at every turn when detecting a plurality of samples, then detect again, efficiency is lower, and traditional rainwater detection device's sense terminal stretches into and need slightly stir when waiting to detect solution inside, make the numerical value that detects more accurate, but at the in-process of stirring, the sense terminal collides with beaker inner wall easily, damage detection sensor. Therefore, the rainwater acidity analysis and detection device and the detection method thereof are improved.

Disclosure of Invention

In order to solve the technical problems, the invention provides the following technical scheme:

the invention discloses a rainwater acidity analysis and detection device which comprises a handheld end, wherein one end of the bottom of the handheld end is fixedly connected with a mounting seat, one side of the top of the handheld end is provided with a display screen, one side of the display screen at the top of the handheld end is provided with a plurality of control buttons, one end of the bottom of the handheld end, which is far away from the mounting seat, is provided with a battery bin, a lithium battery is arranged in the battery bin, the top of the battery bin is clamped with a cover plate, the bottom of the mounting seat is equidistantly provided with four detection probes, the four detection probes are identical in structure, the bottom of each detection probe is provided with a detection end, a temperature sensor and a glass electrode are arranged in the detection end, and the top of the glass electrode is provided with stirring blades.

As a preferable technical scheme, the bottom of the detection probe is provided with a protective sleeve, the top of the inner wall of the protective sleeve is provided with threads, the periphery of the top of the detection end is provided with threads, and the top of the protective sleeve is in threaded connection with the periphery of the top of the detection end.

As a preferable technical scheme, a protective ring is arranged on the periphery of the bottom of the detection end, a plurality of grooves are formed in the periphery of the protective ring, and the stirring blades are arranged at the central end in the protective ring.

As a preferred technical scheme of the present invention, a micro motor is disposed inside the detection probe, a rotating shaft is disposed at an output end of a bottom of the micro motor, a bottom of the rotating shaft penetrates through a center end of the bottom of the detection end, threads are disposed on an outer periphery of the bottom of the rotating shaft, and the bottom of the rotating shaft is fixedly connected with an inner center end of the stirring blade through a nut.

As a preferable technical solution of the present invention, the temperature sensor is fixedly connected to one side of the rotating shaft at the bottom of the detection end, and the glass electrode is fixedly connected to the other side of the rotating shaft at the bottom of the detection end.

As a preferable technical scheme of the present invention, an inner reference electrode and an outer reference electrode are disposed inside the glass electrode, the inner reference electrode and the outer reference electrode are made of silver chloride, an inner reference solution is filled inside the glass electrode, and the inner reference solution is made of a mixed solution of neutral phosphate and potassium chloride.

A detection method of a rainwater acidity analysis and detection device comprises the following steps:

s1: sampling samples at the site A and the site B in the early stage of rain: preparing two clean beakers, numbering a sample I and a sample II correspondingly, respectively placing the beakers on a site A and a site B, and sampling and collecting rain water at the early stage of raining of the site A and the site B;

s2: sampling samples in the raining middle period of the site A and the site B: preparing two clean beakers, correspondingly numbering a sample three and a sample four, respectively placing the beakers on a site A and a site B, and sampling and collecting rainwater in the middle stage of raining of the site A and the site B;

s3: preparation of the detection device: respectively screwing off the protective sleeves at the bottoms of the four detection probes, cleaning the temperature sensors, the glass electrodes and the stirring blades at the periphery of the detection end and in the detection end by using distilled water, and wiping the temperature sensors, the glass electrodes and the stirring blades by using filter paper;

s4: detection of sample solution: the detection device is opened through a control button at the top of the handheld end, the four detection probes respectively extend into proper liquid levels in the first sample, the second sample, the third sample and the fourth sample, and the detection device is fixed through a fixing support;

s5: stirring the sample solution: in order to enable the detected acidity detection value of the sample solution to be more accurate, a micro motor in a detection probe is started through a control button to drive a stirring blade to rotate so as to stir the sample solution, and after the sample solution is stirred for a period of time, the micro motor is turned off through the control button to stop stirring;

s6: numerical recording of sample solutions: and standing the stirred sample solution until the reading of each sample solution is displayed on a display screen, and recording the read numerical value.

The invention has the beneficial effects that:

1. according to the rainwater acidity analysis and detection device and the detection method thereof, the four detection probes arranged at the bottom of the mounting seat can be used for simultaneously detecting a plurality of detection samples, so that the situation that only a single detection probe is arranged in the traditional rainwater detection device is avoided, the detection probes need to be cleaned after each detection is finished when the plurality of samples are detected, and then the detection is carried out, and the detection efficiency of the device is improved;

2. this kind of rainwater acidity analysis and detection device and detection method, through at the inside micro motor and the stirring vane that set up of test probe, can treat and detect sample solution and stir, need manually slightly stir when avoiding traditional rainwater detection device's sense terminal to stretch into to detect solution inside, and at the in-process of stirring, the sense terminal collides with beaker inner wall easily, damage easily and detect the sensor, therefore can avoid the inside detection sensor of traditional detection device sense terminal to take place to collide with and damage, improve the security that the device used, and the accuracy of testing result.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is an overall schematic diagram of a rainwater acidity analysis and detection device and a detection method thereof according to the present invention;

FIG. 2 is a schematic view of a detection end of the rainwater acidity analysis and detection device and the detection method thereof according to the present invention;

FIG. 3 is a schematic illustration of the interior of the detection end of the apparatus and method for analyzing and detecting acidity of rainwater according to the present invention;

FIG. 4 is a schematic cross-sectional view of a detection probe of the device and method for analyzing and detecting acidity of rainwater of the present invention.

In the figure: 1. a handheld end; 101. a display screen; 102. a control button; 103. a cover plate; 2. a mounting seat; 3. detecting a probe; 301. a detection end; 302. a guard ring; 4. a temperature sensor; 5. a glass electrode; 501. an internal reference electrode; 502. an outer reference electrode; 503. an internal reference solution; 6. a stirring blade; 7. a protective sleeve; 8. a micro motor; 801. a rotating shaft.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-4, the device for analyzing and detecting acidity of rainwater of the present invention comprises a handheld end 1, wherein one end of the bottom of the handheld end 1 is fixedly connected with an installation base 2, one side of the top of the handheld end 1 is provided with a display screen 101, one side of the display screen 101 of the top of the handheld end 1 is provided with a plurality of control buttons 102, one end of the bottom of the handheld end 1, which is far away from the installation base 2, is provided with a battery compartment, a lithium battery is arranged inside the battery compartment, the top of the battery compartment is clamped with a cover plate 103, the bottom of the installation base 2 is equidistantly provided with four detection probes 3, the four detection probes 3 have the same structure, the bottom of the detection probe 3 is provided with a detection end 301, the inside of the detection end 301 is provided with a temperature sensor 4 and a glass electrode 5, and the top of the glass electrode 5 is provided with a stirring blade 6.

Wherein, 3 bottoms of test probe are provided with protective sheath 7, and 7 inner wall tops of protective sheath are seted up threadedly, and the screw thread is seted up to the 301 top periphery of test end, and 7 tops of protective sheath and the 301 top periphery threaded connection of test end can protect test end 301 through protective sheath 7 that sets up, prevent that this detection device from taking place to collide with under the condition of not using, improve life.

Wherein, the periphery of detection end 301 bottom is provided with guard ring 302, and a plurality of recesses have been seted up to guard ring 302 periphery, and stirring vane 6 sets up in the inside center end of guard ring 302, protects when putting into the testing sample inside to the device through the guard ring 302 that sets up, prevents to damage the detection sensor.

Wherein, 3 inside micro motor 8 that are provided with of test probe, the output of 8 bottoms of micro motor is provided with pivot 801, pivot 801 bottom is run through in test end 301 bottom center end, screw thread has been seted up to pivot 801 bottom periphery, pivot 801 bottom passes through nut fixed connection with stirring vane 6 inside center end, micro motor 8 through setting up can drive stirring vane 6 and rotate, realize that test probe 3 rotates the stirring when putting into to detect sample solution inside, it is fairly simple to avoid 3 inner structure of traditional test probe, numerical value in order to make the detection more accurate, test end 301 stretches into and needs slightly stir when detecting solution inside, at the in-process of stirring, test end 301 collides with beaker inner wall easily, damage the detection sensor, the security that improves the device and uses.

Wherein, temperature sensor 4 and the pivot 801 one side fixed connection of sense terminal 301 bottom, glass electrode 5 and the pivot 801 opposite side fixed connection of sense terminal 301 bottom, can treat the inside temperature of detection solution through the temperature sensor 4 that sets up and detect, and compensate the temperature, improve the accuracy of detection numerical value, glass electrode 5 is become by the glass feel membrane of low impedance, and sensitivity is higher, can be fast and wait to detect the hydrogen ion quick response in the sample solution through the glass electrode 5 that sets up, the speed and the precision that the device detected are improved.

The glass electrode 5 is internally provided with an inner reference electrode 501 and an outer reference electrode 502, the inner reference electrode 501 and the outer reference electrode 502 are made of silver chloride, the inner reference solution 503 is filled in the glass electrode 5, the inner reference solution 503 is made of a mixed solution of neutral phosphate and potassium chloride, the inner reference electrode 501 and the outer reference electrode 502 can play a role in leading out electrode positions to form a relatively stable reference potential, the combination with hydrogen ions in a sample solution to be detected is convenient, the inner reference solution 503 can establish a pH value of zero potential with the inner reference electrode 501 and the outer reference electrode 502, and the detection is convenient.

A rainwater acidity analysis and detection method comprises the following steps:

s1: sampling samples at the site A and the site B in the early stage of rain: preparing two clean beakers, numbering a sample I and a sample II correspondingly, respectively placing the beakers on a site A and a site B, and sampling and collecting rain water at the early stage of raining of the site A and the site B;

s2: sampling samples in the raining middle period of the site A and the site B: preparing two clean beakers, correspondingly numbering a sample three and a sample four, respectively placing the beakers on a site A and a site B, and sampling and collecting rainwater in the middle stage of raining of the site A and the site B;

s3: preparation of the detection device: respectively screwing off the protective sleeves at the bottoms of the four detection probes, cleaning the temperature sensors, the glass electrodes and the stirring blades at the periphery of the detection end and in the detection end by using distilled water, and wiping the temperature sensors, the glass electrodes and the stirring blades by using filter paper;

s4: detection of sample solution: the detection device is opened through a control button at the top of the handheld end, the four detection probes respectively extend into proper liquid levels in the first sample, the second sample, the third sample and the fourth sample, and the detection device is fixed through a fixing support;

s5: stirring the sample solution: in order to enable the detected acidity detection value of the sample solution to be more accurate, a micro motor in a detection probe is started through a control button to drive a stirring blade to rotate so as to stir the sample solution, and after the sample solution is stirred for a period of time, the micro motor is turned off through the control button to stop stirring;

s6: numerical recording of sample solutions: and standing the stirred sample solution until the reading of each sample solution is displayed on a display screen, and recording the read numerical value.

The working principle is as follows: when in work:

s1: sampling samples at the site A and the site B in the early stage of rain: preparing two clean beakers, numbering a sample I and a sample II correspondingly, respectively placing the beakers on a site A and a site B, and sampling and collecting rain water at the early stage of raining of the site A and the site B;

s2: sampling samples in the raining middle period of the site A and the site B: preparing two clean beakers, correspondingly numbering a sample three and a sample four, respectively placing the beakers on a site A and a site B, and sampling and collecting rainwater in the middle stage of raining of the site A and the site B;

s3: preparation of the detection device: the protective sleeves 7 at the bottoms of the four detection probes 3 are respectively screwed off, the periphery of the detection end 301 and the temperature sensor 4, the glass electrode 5 and the stirring blade 6 in the detection end 301 are cleaned by distilled water, and are wiped by filter paper;

s4: detection of sample solution: the detection device is opened through a control button 102 at the top of the handheld end 1, four detection probes 3 are respectively inserted into proper liquid levels inside a sample I, a sample II, a sample III and a sample IV, and the detection device is fixed through a fixing support;

s5: stirring the sample solution: in order to enable the detected acidity value of the sample solution to be more accurate, the micro motor 8 in the detection probe 3 is started through the control button 102 to drive the stirring blade 6 to rotate, the sample solution is stirred, after the sample solution is stirred for a period of time, the micro motor 8 is turned off through the control button 102, and the stirring is stopped;

s6: numerical recording of sample solutions: the sample solutions after stirring were allowed to stand until the readings of the respective sample solutions were displayed on the display screen 101, and the read values were recorded.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.