CN212674211U

CN212674211U - High temperature flue gas humidity sensor structure

Info

Publication number: CN212674211U
Application number: CN202021838907.2U
Authority: CN
Inventors: 马晨
Original assignee: Beijing Cepck Measurement & Control Co ltd
Current assignee: Beijing Cepck Measurement & Control Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-03-09
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a high temperature flue gas humidity transducer structure, the on-line screen storage device comprises a base, the right flank of base is provided with wiring protecting sheathing, the middle part of base is provided with the sensor mount, the inside of sensor mount is provided with circular keysets, the inside fixedly connected with temperature sensor of circular keysets, the inside of circular keysets just is located temperature sensor's below fixedly connected with humidity transducer, the left flank of base and the outside that is located the sensor mount are provided with the filter layer, the inside of base and the top that is located the filter layer are provided with the second heating rod. The utility model discloses in, set up first heating rod, second heating rod, thermal-insulated shell, temperature sensor, through the heating effect of first heating rod, second heating rod, avoid because the difference in temperature is great leads to the air liquefaction, temperature sensor can detect the temperature of inside, further guarantees the stability of inside temperature.

Description

High temperature flue gas humidity sensor structure

Technical Field

The utility model relates to a sensor technical field especially relates to a high temperature flue gas humidity transducer structure.

Background

The sensor is a detection device which can sense the measured information and convert the sensed information into an electric signal or other information in a required form according to a certain rule to output so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like. The sensor features include: miniaturization, digitalization, intellectualization, multifunction, systematization and networking. The method is the first link for realizing automatic detection and automatic control. The existence and development of the sensor can lead objects to have the senses of touch, taste, smell and the like.

In the traditional technology, a humidity sensor is used as one of sensors and is applied to aspects of life and industry, but in the environment of high temperature and strong acid and alkali, the sensor is easy to damage a sensitive element when being used, the transmission information of the sensor is unstable, the anti-interference capability is weak, and in the environment with large temperature difference, air liquefaction is easy to cause, the sensor is insensitive, and the service life of equipment is even influenced in serious cases.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-temperature flue gas humidity sensor structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-temperature flue gas humidity sensor structure comprises a base, wherein a wiring protective shell is arranged on the right side face of the base, a sensor fixing frame is arranged in the middle of the base, a circular adapter plate is arranged inside the sensor fixing frame, a temperature sensor is fixedly connected inside the circular adapter plate, a humidity sensor is fixedly connected inside the circular adapter plate and below the temperature sensor, a filter layer is arranged on the left side face of the base and outside the sensor fixing frame, a second heating rod is arranged inside the base and above the filter layer, a second wiring pin is fixedly connected on the right side face of the second heating rod, a second protective layer is arranged inside the base and outside the second heating rod, a first heating rod is arranged inside the base and below the filter layer, and a first wiring pin is fixedly connected on the right side face of the first heating rod, the inside of base and the outside that is located first heating rod are provided with first protective layer, the left surface of base is provided with thermal-insulated shell.

As a further description of the above technical solution:

an opening is formed in the center of the left side wall of the heat insulation shell, and the left side end of the filter layer extends out of the opening.

As a further description of the above technical solution:

humidity transducer, temperature sensor all are located the inside of filter layer, the base is made by tetrafluoroethylene.

As a further description of the above technical solution:

the wiring protection shell is made of high-temperature-resistant and acid-base-resistant materials, and the second wiring pin and the first wiring pin are located inside the wiring protection shell.

As a further description of the above technical solution:

the second protection layer and the first protection layer are both located inside the heat insulation shell, and the heat insulation shell is made of materials with low heat conductivity and acid-base corrosion resistance.

As a further description of the above technical solution:

the second heating rod and the first heating rod are the same in length and are parallel to each other.

The utility model has the following beneficial effects

1. Compared with the prior art, this high temperature flue gas humidity sensor structure has set up first heating rod, second heating rod, thermal-insulated shell, temperature sensor, through the heating effect of first heating rod, second heating rod, makes the inside temperature of thermal-insulated shell rise, avoids because the difference in temperature is great leads to the air liquefaction, and temperature sensor can detect the temperature of inside, further guarantees the stability of inside temperature.

2. Compared with the prior art, the high-temperature flue gas humidity sensor structure is provided with the base, the filter layer and the wiring protection shell, the purpose of protecting important parts and vulnerable parts of the sensor is achieved, and the condition that the service life of the device is influenced by high temperature and strong acid and alkali is prevented

Drawings

Fig. 1 is a front view of a high temperature flue gas humidity sensor structure provided by the present invention;

fig. 2 is a side view of a structure of a high temperature flue gas humidity sensor according to the present invention;

fig. 3 is a top view of the high temperature flue gas humidity sensor structure provided by the present invention.

Illustration of the drawings:

1. a base; 2. a first heating rod; 3. a first protective layer; 4. a humidity sensor; 5. a temperature sensor; 6. a filter layer; 7. a second protective layer; 8. a second heating rod; 9. a thermally insulated housing; 10. a wiring protection housing; 11. a second connection pin; 12. a sensor mount; 13. a circular adapter plate; 14. a first connection pin.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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.

Referring to fig. 1-3, the present invention provides an embodiment: a high-temperature flue gas humidity sensor structure comprises a base 1, a wiring protective shell 10 is arranged on the right side face of the base 1, a sensor fixing frame 12 is arranged in the middle of the base 1, a round adapter plate 13 is arranged inside the sensor fixing frame 12, a temperature sensor 5 is fixedly connected inside the round adapter plate 13 and can detect the temperature inside, a humidity sensor 4 is fixedly connected inside the round adapter plate 13 and below the temperature sensor 5, the humidity sensor 4 is a structure that a high-molecular humidity sensing film is placed between two conductive electrodes, when the relative humidity around the humidity sensor 4 changes, the dielectric constant of the humidity sensing film also changes, the corresponding sensor capacitance changes, a filter layer 6 is arranged on the left side face of the base 1 and outside the sensor fixing frame 12, and the high-temperature flue gas humidity sensor structure not only plays a role in protecting internal sensitive elements, the flue gas purification device can also filter fine particles in flue gas, a second heating rod 8 is arranged inside the base 1 and above the filter layer 6, a second wiring pin 11 is fixedly connected to the right side face of the second heating rod 8, a second protective layer 7 is arranged inside the base 1 and outside the second heating rod 8, a first heating rod 2 is arranged inside the base 1 and below the filter layer 6, a first wiring pin 14 is fixedly connected to the right side face of the first heating rod 2, a first protective layer 3 is arranged inside the base 1 and outside the first heating rod 2, a heat insulation shell 9 is arranged on the left side face of the base 1, and the first heating rod 2 and the second heating rod 8 are heated to raise the temperature inside the heat insulation shell 9 and prevent moisture in the air from being liquefied to damage sensitive elements and influence detection results.

The center of the left side wall of the heat insulation shell 9 is provided with an opening, the left side end of the filter layer 6 extends out from the opening, so that more air enters the filter layer 6, the humidity measurement result is more accurate, the humidity sensor 4 and the temperature sensor 5 are both positioned inside the filter layer 6, the base 1 is made of tetrafluoroethylene, the wiring protection shell 10 is made of high temperature resistant and acid and alkali resistant materials, the second wiring pin 11 and the first wiring pin 14 are both positioned inside the wiring protection shell 10, the second protection layer 7 and the first protection layer 3 are both positioned inside the heat insulation shell 9, the heat insulation shell 9 is made of materials which thermal conductivity is low and acid and alkali corrosion resistant, the damage to internal sensitive elements and the influence on the measurement result caused by the environment are prevented, the second heating rod 8 and the first heating rod 2 are the same in length and are parallel to each other, so that the temperature rising part inside the heat insulation shell 9 is uniform, ensuring good heating effect.

The working principle is as follows: install this high temperature flue gas humidity transducer structural installation in the environment that corresponds, first heating rod 2, second heating rod 8 starts, heat thermal-insulated shell 9 internal environment heats, the temperature that is in inside temperature sensor 5 detects internal environment, the temperature reaches standard, first heating rod 2, second heating rod 8 stop heating, air in the environment this moment, can not be great because of the difference in temperature, take place the air liquefaction, the phenomenon of condensation drop, and then influence the testing result, impurity such as dust in the filter layer 6 in with the air filters, further protect detecting element, the result that makes the detection is more accurate.

Finally, it should be noted that: 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 modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a high temperature flue gas humidity sensor structure, includes base (1), its characterized in that: a wiring protective shell (10) is arranged on the right side face of the base (1), a sensor fixing frame (12) is arranged in the middle of the base (1), a round adapter plate (13) is arranged inside the sensor fixing frame (12), a temperature sensor (5) is fixedly connected inside the round adapter plate (13), a humidity sensor (4) is fixedly connected inside the round adapter plate (13) and below the temperature sensor (5), a filter layer (6) is arranged on the left side face of the base (1) and outside the sensor fixing frame (12), a second heating rod (8) is arranged inside the base (1) and above the filter layer (6), a second wiring pin (11) is fixedly connected on the right side face of the second heating rod (8), a second protective layer (7) is arranged inside the base (1) and outside the second heating rod (8), the inside of base (1) and the below that is located filter layer (6) are provided with first heating rod (2), the first wiring foot (14) of right flank fixedly connected with of first heating rod (2), the inside of base (1) and the outside that is located first heating rod (2) are provided with first protective layer (3), the left surface of base (1) is provided with thermal-insulated shell (9).

2. The structure of the high temperature flue gas humidity sensor of claim 1, wherein: an opening is formed in the center of the left side wall of the heat insulation shell (9), and the left side end of the filter layer (6) extends out of the opening.

3. The structure of the high temperature flue gas humidity sensor of claim 1, wherein: humidity transducer (4), temperature sensor (5) all are located the inside of filter layer (6), base (1) is made by tetrafluoroethylene.

4. The structure of the high temperature flue gas humidity sensor of claim 1, wherein: the wiring protection shell (10) is made of high-temperature-resistant and acid-base-resistant materials, and the second wiring pin (11) and the first wiring pin (14) are located inside the wiring protection shell (10).

5. The structure of the high temperature flue gas humidity sensor of claim 1, wherein: the second protection layer (7) and the first protection layer (3) are both located inside the heat insulation shell (9), and the heat insulation shell (9) is made of materials with low heat conductivity and acid-base corrosion resistance.

6. The structure of the high temperature flue gas humidity sensor of claim 1, wherein: the second heating rod (8) and the first heating rod (2) are the same in length and are parallel to each other.