CN218272082U

CN218272082U - Salinity check out test set

Info

Publication number: CN218272082U
Application number: CN202222255571.2U
Authority: CN
Inventors: 包伟方
Original assignee: Zhejiang Luheng Environmental Technology Co ltd
Current assignee: Zhejiang Luheng Environmental Technology Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-01-10
Anticipated expiration: 2032-08-25

Abstract

A salinity detection device comprises a shell and a measuring end, wherein the measuring end is provided with a first mounting groove and a second mounting groove, and a first electrode and a second electrode are respectively mounted in the first mounting groove and the second mounting groove; the outer surface of the first electrode is lower than the notch of the first mounting groove, and the outer surface of the second electrode is lower than the notch of the second mounting groove; the electrode at the measuring end is designed by adopting an inwards concave plane structure, so that the numerical value is more stable, and the measuring effect is better; and the color display screen displays more information.

Description

Salinity check out test set

Technical Field

The utility model relates to a salinity detects technical field, especially relates to a salinity check out test set.

Background

Pen-type salinometers are precision instruments used to test the salinity value of solutions. The salinity value and temperature are displayed simultaneously. The device has the characteristics of complete functions, stable performance, simple and convenient operation and the like. The method becomes the best choice for salinity test in various industries such as family kitchens, catering industry, aquaculture, food manufacturing and the like.

The salinity meter measures the conductivity through two electrodes in water, one electrode sends out an excitation signal, the other electrode receives the signal, when the conductivity in water changes, the amplitude of the signal changes correspondingly, finally the received signal is processed by a circuit, so that the change of the conductivity in water is calculated according to the change of the signal, and then the conductivity value is converted into a salinity value through an algorithm

The prior art discloses an easy-to-use type high accuracy high-range conductance salinity check out test set, and application number is 201710286445.4, and this technical scheme main defect lies in:

1. the detection device at the front end is provided with two detection rings, a gap can exist between the rings and the plastic part, the gap can be enlarged after the high temperature and the low temperature are carried out, and the solution can be remained in the gap after the solution is detected to form crystals, so that the measurement result is influenced;

2. the ring-shaped electrode is susceptible to the influence of the cup wall, and when the sensor is close to the container wall, the test value can be changed, which can lead to different test values at different positions.

The prior art discloses an anti-interference high accuracy salinity detector is corrected to intelligence, and application number is 201810990975.1, and this technical scheme main defect lies in:

1. the three-electrode scheme is too complex and has low practicability;

2. the electrode is designed to be concave, so that the electrode is difficult to process and easy to form unevenness, and the consistency of test values is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the not enough of background art existence, the utility model provides a salinity check out test set to solve detection device and easily produce the error, the practicality is low and the big problem of the processing degree of difficulty.

The utility model relates to a salinity check out test set, include: a housing;

the measuring end is provided with a first mounting groove and a second mounting groove, and a first electrode and a second electrode are respectively mounted in the first mounting groove and the second mounting groove;

the outer surface of the first electrode is lower than the notch of the first mounting groove, and the outer surface of the second electrode is lower than the notch of the second mounting groove.

By adopting the above scheme, adopt two electrode designs, improve the practicality, the electrode adopts indent planar structure to reduce the container wall to the influence of measuring, and the electrode need not adopt convex surface design again simultaneously, greatly reduced the processing degree of difficulty, the uniformity is good, improves measuring precision.

Furthermore, a single chip microcomputer system is arranged in the shell, the first electrode is electrically connected with the single chip microcomputer system through an excitation signal driving module, and the second electrode is electrically connected with the single chip microcomputer system through an analog signal processing module.

By adopting the scheme, the single chip microcomputer system is convenient for processing data.

Furthermore, the measuring end is arranged at one end of the shell, the shell is provided with a display screen, a key and a battery cavity for installing a battery, a battery cover is arranged at an opening of the battery cavity, and the display screen, the key and the battery cavity are all electrically connected with the single chip microcomputer system.

Through adopting above-mentioned scheme, the display screen conveniently observes the real-time change of numerical value, and the button is convenient to the operation of salinity meter, and the battery chamber makes things convenient for filling of battery.

Furthermore, the end of the measuring end is provided with a temperature sensor, and the temperature sensor is electrically connected with the single chip microcomputer system.

By adopting the scheme, the temperature sensor is convenient to detect the temperature of the solution to be detected, and the measurement precision is improved.

Furthermore, the first electrode and the second electrode are both platinum-plated electrodes.

Furthermore, a hanging hole is formed in the opposite side, connected with the measuring end, of the shell.

Through adopting above-mentioned scheme, convenient accomodating when not using.

Further, inside AD module that is equipped with of singlechip system, analog signal processing module and temperature sensor all with inside AD module electric connection.

By adopting the scheme, the single chip microcomputer system can analyze the analog signals conveniently.

Further, the display screen is a color display screen.

By adopting the scheme, the data display effect is improved.

Furthermore, the opening part of the battery cavity is provided with a limiting groove, the battery cover is provided with a limiting block, one surface of the battery cover, which is far away from the battery cavity, is provided with a strip-shaped groove, and the battery cavity and the battery cover are rotationally fixed with the limiting block through the limiting groove.

Through adopting above-mentioned scheme, the installation and the dismantlement of battery cover are made things convenient for with the stopper to the spacing groove, and the convenient rotatory battery cover of bar groove.

Further, the first electrode and the second electrode are both circular.

Through adopting above-mentioned scheme, circular design reduces with the boundary length of plastic part, reduces the influence that the gap overlength detected to the sensor end.

The utility model discloses a main beneficial effect:

1. the design is small and exquisite, and the use is convenient;

2. the electrode at the measuring end adopts a concave plane structure design, so that the processing is convenient, the consistency is good, the measuring value is more stable, and the measuring effect is better;

3. and the color display screen displays more information.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 3 is a state diagram of the present invention with a protection cover in embodiment 1;

fig. 4 is a front view of embodiment 1 of the present invention;

fig. 5 is a circuit block diagram of embodiment 1 of the present invention.

Reference numerals are as follows: 1. a housing; 11. a display screen; 12. pressing a key; 13. a battery cover; 131. a limiting block; 132. a strip-shaped groove; 14. a battery cavity; 141. a limiting groove; 15. hoisting holes; 2. a measuring end; 21. a first electrode; 22. a second electrode; 23. a temperature sensor; 3. a protective cover.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described and discussed below with reference to the accompanying drawings of the present invention, and it is obvious that only some examples, not all examples, of the present invention are described herein, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

To facilitate understanding of the embodiments of the present invention, the following detailed description will be given by way of example with reference to the accompanying drawings, and each embodiment is not limited to the embodiments of the present invention.

The embodiment 1 of the utility model relates to referring to fig. 1-5 and showing, relating to a salinity check out test set, including casing 1 and measuring terminal 2, be equipped with single chip microcomputer system in the casing 1, first electrode 21 is through excitation signal drive module and single chip microcomputer system electric connection, second electrode 22 passes through analog signal processing module and single chip microcomputer system electric connection. The shell 1 is provided with a display screen 11, keys 12 and a battery cavity 14 for installing a battery, a battery cover 13 is arranged at an opening of the battery cavity 14, and the display screen 11, the keys 12 and the battery cavity 14 are all electrically connected with the single chip microcomputer system. The contralateral of measuring end 2 is connected to casing 1 is equipped with lewis hole 15, lewis hole 15 can directly hang and establish on the couple, perhaps penetrates the lifting rope and conveniently accomodates.

Measuring terminal 2 is equipped with first mounting groove and second mounting groove, install first electrode 21 and second electrode 22 in first mounting groove and the second mounting groove respectively, wherein the surface of first electrode 21 is less than the notch of first mounting groove, the surface of second electrode 22 is less than the notch of second mounting groove, just first electrode 21 and second electrode 22 are for plating the platinum electrode. The first electrode 21 and the second electrode 22 are optimally designed to be circular, so that the boundary length between the first electrode and the second electrode and the plastic part are reduced, and the influence of overlong gaps on the detection of the sensor end is reduced.

The concave plane structure is designed in such a way that the first electrode and the second electrode are in circular plane structures, and the plane where the first electrode and the second electrode are located is lower than the outer surface of the measuring end, so that the concave plane structure is formed

Measuring terminal 2 locates 1 one end of casing, the tip of measuring terminal 2 is equipped with temperature sensor 23, temperature sensor 23 and single chip microcomputer system electric connection. Inside being equipped with inside AD module of single chip microcomputer system, analog signal processing module and temperature sensor 23 all with inside AD module electric connection. The opening of the battery cavity 14 is provided with a limiting groove 141, the battery cover 13 is provided with a limiting block 131, one surface of the battery cover 13, which is far away from the battery cavity 14, is provided with a strip-shaped groove 132, and the battery cavity 14 and the battery cover 13 are rotationally fixed with the limiting block 131 through the limiting groove 141.

The tip of measuring terminal 2 can add and establish visor 3, makes things convenient for the salinity meter when not using, to first electrode 21, second motor and temperature sensor 23's protection.

The measuring end 2 is of an integrated waterproof structure, and the airtightness is improved.

The utility model discloses a theory of operation:

the first electrode 21, the second electrode 22 and the temperature sensor 23 are connected by a singlechip system. The salinity meter sends out excitation signal to solution through first electrode 21, excitation signal passes through solution and is received by second electrode 22, after second electrode 22 received the signal, through inside hardware circuit processing, carry out processing methods such as filtering, amplification, conversion of signal, send analog-to-digital conversion module (AD) in the singlechip system to process at last, through analyzing the analog signal who changes, thereby judge the change situation of conductivity value in the solution, temperature sensor 23 detects the temperature of solution in real time simultaneously, compensate the numerical value of conductivity through the computational formula, thereby compensate the conductivity value to under 25 ℃. And finally, converting the conductivity value into a salinity value through an algorithm.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still make modifications or changes to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some technical features, within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A salinity test apparatus, comprising:

a housing (1);

the measuring device comprises a measuring end (2), wherein the measuring end (2) is provided with a first mounting groove and a second mounting groove, and a first electrode (21) and a second electrode (22) are respectively mounted in the first mounting groove and the second mounting groove;

wherein the outer surface of the first electrode (21) is lower than the notch of the first mounting groove, and the outer surface of the second electrode (22) is lower than the notch of the second mounting groove.

2. The salinity test equipment of claim 1, characterized in that: the single-chip microcomputer system is arranged in the shell (1), the first electrode (21) is electrically connected with the single-chip microcomputer system through the excitation signal driving module, and the second electrode (22) is electrically connected with the single-chip microcomputer system through the analog signal processing module.

3. The salinity test equipment of claim 2, characterized in that: the measuring terminal (2) is arranged at one end of the shell (1), the shell (1) is provided with a display screen (11), a key (12) and a battery cavity (14) for installing a battery, a battery cover (13) is arranged at an opening of the battery cavity (14), and the display screen (11), the key (12) and the battery cavity (14) are all electrically connected with the single chip microcomputer system.

4. The salinity detection equipment of claim 3, characterized in that: the tip of measuring terminal (2) is equipped with temperature sensor (23), temperature sensor (23) and single chip microcomputer system electric connection.

5. The salinity detection apparatus of claim 1 or 2, characterized in that: the first electrode (21) and the second electrode (22) are both platinum-plated electrodes.

6. The salinity test equipment of claim 3, characterized in that: and a lifting hole (15) is formed in the opposite side of the shell (1) connected with the measuring end (2).

7. The salinity detection equipment of claim 4, characterized in that: inside being equipped with inside AD module of singlechip system, analog signal processing module and temperature sensor (23) all with inside AD module electric connection.

8. The salinity detection equipment of claim 3, characterized in that: the display screen (11) is a color display screen (11).

9. The salinity test equipment of claim 7, characterized in that: the opening of battery chamber (14) is equipped with spacing groove (141), battery cover (13) are equipped with stopper (131), battery cover (13) keep away from battery chamber (14) one side and are equipped with strip groove (132), battery chamber (14) and battery cover (13) are through spacing groove (141) and stopper (131) rotatory fixed.

10. The salinity detection equipment of claim 5, characterized in that: the first electrode (21) and the second electrode (22) are both circular.