CN210221808U

CN210221808U - COD (chemical oxygen demand) tester

Info

Publication number: CN210221808U
Application number: CN201920629710.9U
Authority: CN
Inventors: Zhiliang Wang; 王志亮
Original assignee: Qingdao Jinghong Environmental Protection Technology Co Ltd
Current assignee: Qingdao Jinghong Environmental Protection Technology Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-03-31
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses a COD apparatus, include: the system comprises a data processing module, a sample detection module, a storage module and a fault self-diagnosis module, wherein the data processing module is electrically connected with the sample detection module, the sample detection module is electrically connected with the storage module, and the fault self-diagnosis module is electrically connected with the single chip microcomputer; the utility model discloses it is comparatively convenient to use, can direct detection, calculate, preserve, show, print COD's testing result, quick, accurate, still can carry out fault self-diagnosis fast, reduces the number of times of equipment maintenance, reduction personnel use cost.

Description

COD (chemical oxygen demand) tester

Technical Field

The utility model relates to a check out test set technical field, more specifically the utility model relates to a COD apparatus that says so.

Background

Chemical Oxygen demand (cod) (chemical Oxygen demand) is a chemical method for measuring the amount of reducing substances to be oxidized in a water sample. The oxygen equivalent of a substance (typically an organic substance) that can be oxidized by a strong oxidizing agent in wastewater, wastewater treatment plant effluent, and contaminated water. In the research of river pollution and the property of industrial wastewater and the operation management of wastewater treatment plants, it is an important and relatively fast measurable organic pollution parameter, often denoted by the symbol COD.

When detecting COD data, need use the COD apparatus to survey, but current COD apparatus use convenient enough, the function is single, and work efficiency is low, can't directly obtain the curve chart of paper.

Therefore, the technical personnel in the field need to solve the problem of how to provide a COD analyzer which can efficiently realize automatic measurement, improve the repeatability and reliability of analysis and is simple to operate.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a COD apparatus can improve sample analysis's accuracy, easy operation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a COD meter, comprising: the device comprises a data processing module, a sample detection module and a storage module, wherein the data processing module is electrically connected with the sample detection module, and the sample detection module is electrically connected with the storage module.

Furthermore, the processor of the data processing module is a single chip microcomputer, and the data processing module is provided with a USB connector for connecting with a PC end externally.

Further, the system also comprises a fault self-diagnosis module which is electrically connected with the single chip microcomputer.

Furthermore, the sample detection module comprises an ultraviolet light sensor, a temperature sensor and a pH value sensor, and is used for detecting the ultraviolet absorbance, the temperature and the pH value of the water sample in the detection channel.

Further, still include the casing, data processing module, sample detection module place in the casing, the casing top is provided with printer cover, display screen, sample detection mouth and operation key panel, the printer is covered and is provided with the paper export, the sample detection mouth with the sample detection module is corresponding, and is equipped with sealed lid.

Further, a thermal printer is arranged in the shell and corresponds to the printer cover.

Further, the shell is made of metal materials, and the end face of the shell is provided with a wiring port.

Can know via foretell technical scheme, compare with prior art, the utility model discloses it is comparatively convenient to use, can direct detection, calculate, preserve, show, print COD's testing result, quick, accurate. Fault self-diagnosis can be rapidly carried out, the maintenance frequency of equipment is reduced, and the use cost of personnel is reduced; connect the PC end through the USB mouth and make sample detection module can accept remote operation instruction to can save 30000 survey results, data outage is not lost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a block diagram of the COD measuring instrument of the present invention.

Fig. 2 is a structural diagram of the housing of the present invention.

Wherein:

1-a data processing module; 2-a sample detection module; 3-a storage module; 4-a fault self-diagnosis module; 5-a display screen; 6-operating a key panel; 7-paper exit; 8-sealing cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model discloses COD apparatus, include: the device comprises a data processing module 1, a sample detection module 2 and a storage module 3, wherein the data processing module 1 is electrically connected with the sample detection module 2, the sample detection module 2 is electrically connected with the storage module 3, the storage module 3 can store 30000 measurement results, and data is not lost when power is cut off; the device also comprises a fault self-diagnosis module 4, wherein the fault self-diagnosis module 4 is electrically connected with the data processing module 1; the data processing module comprises: the ARM microprocessor is used for processing the digital signal sent by the COD sample detection module 2 and calculating to obtain a COD value; and the digital-to-analog converter is used for performing digital-to-analog conversion on the COD value sent by the microprocessor and outputting the converted analog signal to the PC end.

Specifically, the processor of the data processing module 1 is a single chip microcomputer, and the data processing module 1 is provided with a USB (universal serial bus) connector for connecting a PC (personal computer) externally; the sample detection module 2 comprises an ultraviolet light sensor, a temperature sensor and a pH value sensor and is used for detecting the ultraviolet absorbance, the temperature and the pH value of the water quality sample.

The portable sample detection device comprises a shell, wherein the data processing module 1, the sample detection module 2 and the storage module 3 are arranged in the shell, a printer cover, a display screen 5, a sample detection port and an operation key panel 6 are arranged at the top end of the shell, a paper outlet 7 is arranged on the printer cover, and the sample detection port corresponds to the sample detection module 2 in the shell and is provided with a sealing cover 8.

Advantageously, a thermal printer is arranged in the shell and corresponds to the printer cover; the shell is made of metal materials, the end face of the shell is provided with a wiring port, and the drawing is stored in a paper form through a printer, so that data recording and processing are facilitated.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

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 COD meter, comprising: the device comprises a data processing module (1), a sample detection module (2) and a storage module (3), wherein the data processing module (1) is electrically connected with the sample detection module (2), and the sample detection module (2) is electrically connected with the storage module (3).

2. The COD measuring instrument according to claim 1, wherein the processor of the data processing module (1) is a single chip microcomputer, and the data processing module (1) is provided with a USB (universal serial bus) connector for connecting with a PC (personal computer) externally.

3. The COD determinator of claim 2, further comprising a fault self-diagnosis module (4), the fault self-diagnosis module (4) being electrically connected with the single-chip microcomputer.

4. The COD meter of claim 1, wherein the sample detection module comprises an ultraviolet light sensor, a temperature sensor and a pH sensor for detecting the ultraviolet absorbance, temperature and pH of the water quality sample.

5. The COD measuring instrument according to claim 1, further comprising a housing, wherein the data processing module (1) and the sample detection module (2) and the storage module (3) are disposed in the housing, a printer cover, a display screen (5), a sample detection port and an operation key panel (6) are disposed on the top end of the housing, a paper outlet (7) is disposed on the printer cover, and the sample detection port corresponds to the sample detection module (2) and is provided with a sealing cover (8).

6. The COD meter of claim 5, wherein a thermal printer is further disposed within the housing, the thermal printer corresponding to the printer cover.

7. The COD meter according to claim 6, wherein the housing is made of a metal material and has a terminal opening at an end surface thereof.