CN212872341U

CN212872341U - PH meter

Info

Publication number: CN212872341U
Application number: CN202020356686.9U
Authority: CN
Inventors: 史叶挺; 吴扬; 沈祝飞; 汪土荣
Original assignee: Hangzhou Lion Biotechnology Co ltd
Current assignee: Hangzhou Lion Biotechnology Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2021-04-02
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses a PH meter, including the main part, with the PH test bar that the main part is connected through first connecting wire, main part one side is equipped with the fixed pipeline, the fixed pipeline inner wall is equipped with spacing recess, PH test bar bottom is equipped with the protruding post corresponding with spacing recess, the fixed pipeline below is equipped with a protection section of thick bamboo, contains the distilled water in the protection section of thick bamboo. The PH test rod passes fixed pipeline and puts into the protection section of thick bamboo that contains distilled water when not user state, and distilled water is on the one hand with PH test rod and external isolation, has reduced the PH test rod and has received external damage and lead to PH test rod to measure the probability of distortion, and on the other hand, the PH value of distilled water is 7, and distilled water can insist on whether PH test rod has impaired distortion. Cooperate with spacing recess through protruding post to PH test rod and fixed pipeline block fixed connection. The utility model discloses a PH meter still has the temperature measurement function and derives the function of data through USB.

Description

PH meter

Technical Field

The utility model relates to a PH testing arrangement technical field, in particular to PH meter.

Background

The PH, also known as hydrogen ion concentration index, PH, is a measure of the activity of hydrogen ions in a solution, i.e., the degree of acidity or alkalinity of a solution in the general sense. The PH meter is a commonly used instrument and equipment, is mainly used for precisely measuring the pH value of a liquid medium, and is widely applied to the fields of environmental protection, sewage treatment, scientific research, pharmacy, fermentation, chemical industry, cultivation, tap water and the like.

However, the existing PH meter has the following disadvantages: the PH test rod is generally exposed in an external environment for a long time in a non-use state, and is easy to damage to cause test distortion; after the pH value of the liquid medium is measured, the measured data is generally copied manually, so that the operation is complicated and the copying record is easy to lose; the PH test rod is not easy to hold in the using process, and the falling probability is high; the existing PH meter has single function and no temperature measurement function, and cannot meet the requirement of temperature measurement of liquid media with PH change along with temperature.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the not enough of prior art, provide a PH meter.

The utility model provides a technical scheme that above-mentioned technical problem adopted is:

a PH meter comprises a main body and a PH test rod connected with the main body through a first connecting line, wherein a fixed pipeline is arranged on one side of the main body, a limiting groove is formed in the inner wall of the fixed pipeline, a protruding column corresponding to the limiting groove is arranged at the bottom end of the PH test rod, a protection cylinder is arranged below the fixed pipeline, and distilled water is filled in the protection cylinder. Among the above technical scheme, the PH test bar passes fixed pipeline and puts into the protection section of thick bamboo that contains distilled water when not user state, and distilled water is on the one hand with PH test bar and external isolation, has reduced the PH test bar and has received external damage and lead to the probability of PH test bar measurement distortion, and on the other hand, the PH value of distilled water is 7, and distilled water can insist on whether the PH test bar has impaired distortion. Cooperate with spacing recess through protruding post to PH test rod and fixed pipeline block fixed connection. The fixed pipeline is integrally arranged on the side surface of the main body. It should be noted that, after the liquid medium is measured, the residual liquid on the surface of the PH test rod needs to be washed clean with pure water and wiped dry, and then the PH test rod is placed in the protective cylinder.

Preferably, the inner wall of the lower end of the fixed pipeline is also provided with internal threads, the outer wall of the upper end of the protection cylinder is provided with external threads, and the protection cylinder is installed at the lower end of the fixed pipeline through threaded connection. Among the above technical scheme, a protection section of thick bamboo passes through threaded connection detachably and installs at fixed pipeline lower extreme to conveniently can change the distilled water in the protection section of thick bamboo.

Preferably, the upper end of the protection cylinder is provided with a filter screen. Among the above technical scheme, the filter screen has reduced the probability that external debris got into the protection section of thick bamboo, has reduced the PH test rod and has received the probability that damages and lead to its measurement distortion.

Preferably, the bottom end of the pH test rod is connected with a handle. Among the above technical scheme, when using the PH test bar to measure liquid medium, the user holds the handle and can conveniently put into liquid medium with the PH test bar and measure. The handle has made things convenient for the user to hold the handle, has reduced the probability that the PH test bar slided from user's hand.

Preferably, the surface of the handle is in a granular structure, and the granular structure is uniformly and annularly distributed on the surface of the handle. Among the above technical scheme, granular structure has increased the frictional force of handle with the user hand, has further made things convenient for the user to snatching of PH test bar to and reduced the probability that PH test bar slided from the user hand.

Preferably, the lower end of the main body is provided with a USB interface. In the technical scheme, the measurement result measured by the PH test rod is stored in the main body and can be exported through the USB interface. The defects caused by the need of manually reading the measurement result in the prior art are overcome.

Preferably, the front surface of the main body is provided with a liquid crystal display screen and a control panel, and the control panel is provided with a starting button, a resetting button and a closing button. Among the above technical scheme, liquid crystal display shows to have the utility model discloses a PH meter's user state and measured value etc. The operation of the PH meter is started by pressing the start button, the operation of the PH meter is closed by pressing the close button, and the PH meter is returned to the initial state by pressing the reset button.

Preferably, the lower end of the main body is provided with a supporting leg. Among the above technical scheme, the supporting legs make things convenient for placing of main part, have reduced the probability that distilled water poured out in the protection section of thick bamboo.

Preferably, the thermometer is connected with the main body through a second connecting line, and an installation barrel for installing the thermometer is arranged on the other side of the main body opposite to the fixed pipeline. In the above technical scheme, the temperature of the liquid medium is measured by using the thermometer, so that the pH values of the liquid medium at different temperatures can be measured, and the quantitative relation between the pH value and the temperature of the liquid medium can be obtained. The thermometer is placed into the mounting barrel when not in use, so that the probability of being damaged by the outside is reduced. The installation cylinder is integrally arranged on one side of the main body.

Preferably, a foam pad is arranged in the mounting cylinder. Among the above technical scheme, the foam pad has reduced the probability that thermometer and installation section of thick bamboo bump, has reduced the probability that the thermometer damaged.

The utility model has the advantages that:

1. the PH meter of the utility model prolongs the service life and improves the use precision of the PH test rod;

2. the PH meter of the utility model does not need to manually copy the measuring result, and the measuring result can be exported through the USB interface;

3. the utility model discloses a PH meter still has the temperature measurement function to can measure the PH value under the different temperatures of this liquid medium, thereby can obtain the quantification relation of the PH value and the temperature of this liquid medium.

Drawings

FIG. 1 is a schematic view of the structure of the pH meter of the present invention;

FIG. 2 is a schematic structural view of a fixed pipe of the pH meter according to the present invention;

fig. 3 is a schematic structural view of a PH testing rod of the PH meter of the present invention.

In the figure: 1. the main part, 2, first connecting wire, 3, PH test bar, 31, protruding post, 4, fixed pipeline, 41, spacing recess, 5, a protection section of thick bamboo, 6, distilled water, 7, filter screen, 8, handle, 9, USB interface, 10, liquid crystal display, 11, control panel, 111, start button, 112, reset button, 113, close button, 12, supporting legs, 13, second connecting wire, 14, thermometer, 15, an installation section of thick bamboo, 16, foam pad.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

As shown in fig. 1-3, the PH meter of the present embodiment includes a main body 1, and a PH testing rod 3 connected to the main body 1 through a first connecting line 2, wherein a fixing pipe 4 is disposed on one side of the main body 1, a limiting groove is disposed on an inner wall of the fixing pipe 4, a protruding column 31 corresponding to the limiting groove 41 is disposed at a bottom end of the PH testing rod 3, a protection barrel 5 is disposed below the fixing pipe 4, and distilled water 6 is contained in the protection barrel 5.

In this embodiment, the inner wall of the lower end of the fixed pipe 4 is further provided with an internal thread, the outer wall of the upper end of the protection cylinder 5 is provided with an external thread, and the protection cylinder 5 is installed at the lower end of the fixed pipe 4 through a threaded connection.

In this embodiment, a filter screen 7 is provided at the upper end of the protection cylinder 5.

In this embodiment, the bottom end of the pH testing rod 3 is connected with a handle 8.

In this embodiment, the surface of the handle 8 is in a granular structure, and the granular structure is uniformly and annularly distributed on the surface of the handle 8.

In this embodiment, the lower end of the main body 1 is provided with a USB interface 9.

In the present embodiment, the main body 1 is provided with a liquid crystal display 10, a control panel 11 on the front surface thereof, and the control panel 11 is provided with a start button 111, a reset button 112, and a close button 113.

In this embodiment, the lower end of the main body 1 is provided with a supporting leg 12.

In this embodiment, the PH meter of this embodiment further includes a thermometer 14 connected to the main body 1 via a second connecting line 13, and the other side of the main body 1 opposite to the fixed pipe 4 is provided with a mounting tube 15 for mounting the thermometer 14.

In this embodiment, a foam pad 16 is provided in the mounting tube 15.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The same creation is considered to be simply replaced without changing the creation content of the present invention. The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A PH meter, characterized by: the device comprises a main body (1) and a PH test rod (3) connected with the main body (1) through a first connecting line (2), wherein a fixed pipeline (4) is arranged on one side of the main body (1), a limiting groove is formed in the inner wall of the fixed pipeline (4), a protruding column (31) corresponding to the limiting groove (41) is arranged at the bottom end of the PH test rod (3), a protection cylinder (5) is arranged below the fixed pipeline (4), and distilled water (6) is filled in the protection cylinder (5); the inner wall of the lower end of the fixed pipeline (4) is also provided with internal threads, the outer wall of the upper end of the protection cylinder (5) is provided with external threads, and the protection cylinder (5) is installed at the lower end of the fixed pipeline (4) through threaded connection; a filter screen (7) is arranged at the upper end of the protection cylinder (5); the bottom end of the PH test rod (3) is connected with a handle (8); the surface of the handle (8) is in a granular structure, and the granular structure is uniformly and annularly distributed on the surface of the handle (8).

2. A PH meter according to claim 1, wherein: the lower end of the main body (1) is provided with a USB interface (9).

3. A PH meter according to claim 2, wherein: the front surface of the main body (1) is provided with a liquid crystal display (10) and a control panel (11), and the control panel (11) is provided with a starting button (111), a resetting button (112) and a closing button (113).

4. A PH meter according to claim 1 or 3, wherein: the lower end of the main body (1) is provided with a supporting leg (12).

5. A pH meter according to claim 4, wherein: the thermometer is characterized by further comprising a thermometer (14) connected with the main body (1) through a second connecting line (13), and an installation barrel (15) used for installing the thermometer (14) is arranged on the other side, opposite to the fixed pipeline (4), of the main body (1).

6. A pH meter according to claim 5, wherein: a foam pad (16) is arranged in the mounting cylinder (15).