CN218995296U

CN218995296U - Wet oxygen integrated detection device

Info

Publication number: CN218995296U
Application number: CN202222851625.1U
Authority: CN
Inventors: 任佳佳; 吴徐森; 李晓亮
Original assignee: Anhui Mandek Environmental Technology Co ltd
Current assignee: Anhui Mandek Environmental Technology Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-05-09
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a wet oxygen integrated detection device, which relates to the technical field of environmental monitoring equipment and comprises: the utility model can detect humidity and oxygen concentration simultaneously, and avoid measurement errors caused by water vapor condensation under the heating action of the heating element on the probe end, thereby improving detection precision.

Description

Wet oxygen integrated detection device

Technical Field

The utility model relates to the technical field of environment monitoring equipment, in particular to a wet oxygen integrated detection device.

Background

Environmental monitoring refers to the activity of monitoring and measuring environmental quality conditions to determine environmental pollution conditions and environmental quality.

In industrial activities, a large amount of flue gas is often generated, the oxygen and humidity content in the flue gas are an important detection index, but the existing detection device can only singly detect a certain index, and moisture in the air is condensed on a probe in the instrument to influence a detection result.

Disclosure of Invention

In order to solve the technical problems in the background technology, the utility model provides a wet oxygen integrated detection device.

An integrated wet oxygen detection device comprising: humidity transducer, oxygen sensor, heating member, connecting piece, establish first mounting hole in the connecting piece, hold the chamber, the second mounting hole, first mounting hole and second mounting hole are for holding the chamber symmetrical arrangement, humidity transducer and oxygen sensor all with connecting piece fixed connection, and humidity transducer's probe end inserts behind the first mounting hole and stretch out, oxygen sensor's probe end inserts behind the second mounting hole and stretch out, the heating member encapsulation is in holding the intracavity, have on the connecting piece by holding the first heat conduction spare of chamber to first mounting hole heat conduction, and by holding the second heat conduction spare of chamber to second mounting hole heat conduction.

As a further optimization of the above scheme, further comprising: the air flow pipeline is fixed on the connecting piece, the two ends of the air flow pipeline are provided with an air inlet and an air outlet which can be connected with external equipment, the air flow direction is vertical to the axial direction of the first mounting hole, the first mounting hole and the second mounting hole are communicated with the air flow pipeline body, and the probe ends of the humidity sensor and the oxygen sensor are extended to the communicated positions of the first mounting hole, the second mounting hole and the air flow pipeline.

As a further optimization of the above scheme, the air flow pipeline and the connecting piece are integrally formed.

As a further optimization of the above scheme, further comprising: the host is provided with a main control board and a signal transmission port, wherein the main control board is electrically connected with the humidity sensor and the oxygen sensor through leads and connector terminals and is used for analyzing and processing data information transmitted by the humidity sensor and the oxygen sensor and converting the data information into digital signals to be output from the signal transmission port.

As a further optimization of the scheme, the heating piece is composed of a first heating module and a second heating module which are independent of each other, two independent areas are arranged in the accommodating cavity and used for installing the first heating module and the second heating module respectively, and the first heating module and the second heating module are connected with the first heat conducting piece and the second heat conducting piece respectively.

As a further optimization of the above scheme, the outside of the connecting piece is coated with a heat insulation material.

1. According to the wet oxygen integrated detection device provided by the utility model, the temperature in the first mounting hole and the temperature in the second mounting hole are raised by using the heating element arranged in the connecting piece, so that the condensation of water vapor at the probe end is prevented, and compared with a self-heating probe with high manufacturing cost, the cost is greatly reduced.

2. According to the wet oxygen integrated detection device provided by the utility model, the heating parts with the two groups of heating modules can conduct heat to the first mounting hole and the second mounting hole through the first heat conducting part and the second heat conducting part respectively, and can be adjusted according to different requirements of the humidity sensor and the oxygen sensor on the ambient temperature, and the humidity sensor and the oxygen sensor are not interfered with each other, so that the practicability is improved.

3. The wet oxygen integrated detection device provided by the utility model can process and convert detection information of the humidity sensor and the oxygen sensor into digital signals for transmission, and is convenient and quick.

Drawings

FIG. 1 is a schematic diagram of a part of a wet oxygen integrated detection device according to the present utility model;

FIG. 2 is a schematic plan view of the internal structure of a connector of the integrated wet oxygen detection device according to the present utility model;

fig. 3 is a schematic diagram of the overall structure of a wet oxygen integrated detection device according to the present utility model.

Detailed Description

The embodiment provides a wet oxygen integrated detection device, the part for detecting the content of wet oxygen is shown in fig. 1 and 2, and the wet oxygen integrated detection device comprises a humidity sensor 1, an oxygen sensor 2, a heating element 3 and a connecting element 4.

The connection member 4 is used as a mounting base of the humidity sensor 1, the oxygen sensor 2 and the heating member 3, so that the first mounting hole 41, the accommodating cavity 42 and the second mounting hole 43 are arranged in the connection member 4, and the first mounting hole 41 and the second mounting hole 43 are symmetrically arranged relative to the accommodating cavity 42.

The humidity sensor 1 is screwed on one end of the first mounting hole 41 and the probe end thereof is inserted into the first mounting hole 41 and extends from the other end, and the oxygen sensor 2 is screwed on one end of the second mounting hole 43 and the probe end thereof is inserted into the second mounting hole 43 and extends from the other end.

The heating element 3 is packaged in the accommodating cavity 42, the connecting element 4 is provided with a first heat conducting element which conducts heat from the accommodating cavity 42 to the first mounting hole 41 and a second heat conducting element which conducts heat from the accommodating cavity 42 to the second mounting hole 43, and the heat of the heating element 3 can be respectively conducted into the first mounting hole 41 and the second mounting hole 43 by the first heat conducting element and the second heat conducting element, so that the temperature in the first mounting hole 41 and the second mounting hole 43 is improved, the requirement that the oxygen sensor 2 needs to work at a certain temperature is met, meanwhile, the condensation of water vapor at the probe end of the humidity sensor 1 can be effectively prevented, the detection result is inaccurate, and a self-heating probe with high manufacturing cost is not needed, so that the cost is saved.

Further, because the requirements of the humidity sensor 1 and the oxygen sensor 2 on the temperature are inconsistent, the heating element 3 can be designed into a first heating module and a second heating module which are independent of each other, and correspondingly, the accommodating cavity 42 is provided with two independent areas for installing the first heating module and the second heating module respectively, and the first heating module and the second heating module are connected with the first heat conducting element and the second heat conducting element respectively, so that the temperatures in the first mounting hole 41 and the second mounting hole 43 can be changed independently.

A layer of heat insulation material can be coated outside the connecting piece 4, so that scalding is avoided during taking.

In addition, the air flow pipeline 5 is used as a connecting structure with external equipment, the air flow pipeline 5 is fixed on the connecting piece 4, the two ends of the air flow pipeline are provided with an air inlet 51 and an air outlet 52 which can be connected with the external equipment, the flow direction of air flow from the air inlet 51 to the air outlet 52 is perpendicular to the axial direction of the first mounting hole 41, and the first mounting hole 41 and the second mounting hole 43 are communicated with the pipe body of the air flow pipeline 5.

The probe ends of the humidity sensor 1 and the oxygen sensor 2 extend to the communication positions of the first mounting hole 41, the second mounting hole 43 and the gas flow pipeline 5, so that the gas flowing through the gas flow pipeline 5 can be conveniently detected.

In general, in actual use, the air flow duct 5 is integrally formed with the connector 4.

After detecting the moisture and oxygen content of the gas, the detection result needs to be further converted and output, and the specific structure is shown in fig. 3, and the device comprises a host 6, wherein the host 6 is provided with a main control board and a signal transmission port, and the main control board is electrically connected with the moisture sensor 1 and the oxygen sensor 2 through a lead 7 and a connector terminal 8 and is mainly used for analyzing and processing data information transmitted by the moisture sensor 1 and the oxygen sensor 2 and converting the data information into digital signals to be output from the signal transmission port.

The wet oxygen integrated detection device provided by the embodiment has high test precision and strong stability, can be suitable for relatively severe working conditions such as high temperature and high humidity, can be applied to online measurement of flue gas humidity in working conditions such as desulfurization and denitrification in a flue gas online continuous monitoring system CEMS, and can also be applied to online humidity measurement and control of wood, construction, papermaking, chemical industry, pharmacy, fiber, textile, tobacco, vegetable, food processing and the like.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. An integrated wet oxygen detection device, comprising: humidity transducer (1), oxygen sensor (2), heating element (3), connecting piece (4), establish first mounting hole (41) in connecting piece (4), hold chamber (42), second mounting hole (43), first mounting hole (41) and second mounting hole (43) are for holding chamber (42) symmetrical arrangement, humidity transducer (1) and oxygen sensor (2) all with connecting piece (4) fixed connection, and after the probe end of humidity transducer (1) inserts first mounting hole (41) and stretch out, after the probe end of oxygen sensor (2) inserts second mounting hole (43) and stretch out, heating element (3) encapsulation is in holding chamber (42), have by holding chamber (42) to first mounting hole (41) heat conduction piece, and by holding chamber (42) to second mounting hole (43) heat conduction second heat conduction piece.

2. The integrated wet oxygen detection apparatus according to claim 1, further comprising: the air flow pipeline (5), the air flow pipeline (5) is fixed on the connecting piece (4) and both ends of the air flow pipeline (5) are provided with an air inlet (51) and an air outlet (52) which can be connected with external equipment, the air flow direction is perpendicular to the axial direction of the first mounting hole (41), the first mounting hole (41) and the second mounting hole (43) are communicated with the pipe body of the air flow pipeline (5), and the probe ends of the humidity sensor (1) and the oxygen sensor (2) are extended to the communicating positions of the first mounting hole (41), the second mounting hole (43) and the air flow pipeline (5).

3. The wet oxygen integrated detection device according to claim 2, wherein the gas flow duct (5) is integrally formed with the connecting member (4).

4. The integrated wet oxygen detection apparatus according to claim 2, further comprising: the host computer (6), host computer (6) have main control board and signal transmission port, and main control board passes through wire (7) and connects terminal (8) electric connection humidity transducer (1), oxygen sensor (2) for analysis handles humidity transducer (1), oxygen sensor (2) data information that conveys and convert it into digital signal and export from signal transmission port.

5. The wet oxygen integrated detection device according to claim 1, wherein the heating element (3) is composed of a first heating module and a second heating module which are independent of each other, two independent areas are arranged in the accommodating cavity (42) and used for installing the first heating module and the second heating module respectively, and the first heating module and the second heating module are connected with the first heat conducting element and the second heat conducting element respectively.

6. The wet oxygen integrated detection device according to claim 1, wherein the connecting piece (4) is externally coated with a heat insulating material.