CN219656324U

CN219656324U - Temperature constant device for gas content sensor

Info

Publication number: CN219656324U
Application number: CN202321130755.4U
Authority: CN
Inventors: 王小明; 鬲欣
Original assignee: XI'AN DECHUANG ELECTRIC TECHNOLOGY CO LTD
Current assignee: XI'AN DECHUANG ELECTRIC TECHNOLOGY CO LTD
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-09-08
Anticipated expiration: 2033-05-12

Abstract

The utility model discloses a temperature constant device for a gas content sensor, which relates to the technical field of sensors and comprises a gas content detector and an air supply pipe arranged on the gas content detector, wherein a constant temperature pipe is sleeved on the pipe wall of the air supply pipe, a constant temperature cavity is arranged in the constant temperature pipe, a heating pipe is fixedly arranged in the constant temperature cavity, a mounting pipe is fixedly arranged at the upper end of the constant temperature pipe, arc-shaped clamps are fixedly arranged on two sides of the pipe wall of the mounting pipe, the arc-shaped clamps are made of spring steel sheets, two arc-shaped clamps are wrapped on the outer wall of the gas content detector, and a fixing mechanism is arranged between the tail ends of the two arc-shaped clamps. The temperature constant device provided by the utility model is detachable, the size of the gas content sensor is reduced, the gas detection which is not affected by temperature can be satisfied, and the practicability is higher.

Description

Temperature constant device for gas content sensor

Technical Field

The utility model relates to the technical field of sensors, in particular to a temperature constant device for a gas content sensor.

Background

The gas detector is an instrument tool for detecting the concentration of gas leakage, and mainly utilizes a gas sensor to detect the gas species existing in the environment. The existing gas content detection generally sends gas into a gas detector to enable the gas content detector to detect the content of the gas, but the temperature of the gas possibly changes in the process of flowing the gas in an air supply pipe, so that the same temperature condition during the gas content detection cannot be ensured, and the deviation occurs in the gas content detection.

The patent number is CN211652767U, discloses a temperature constancy apparatus for gas content sensor, including gas content detector and gas supply pipe, the right-hand member intercommunication of gas content detector has the gas supply pipe, the top fixedly connected with temperature sensor of gas supply pipe, the top fixedly connected with mount of gas content detector, the inboard fixedly connected with cooler and the heater of mount, the inboard of gas supply pipe is provided with the insulating tube, the left end intercommunication of insulating tube has the feed liquor pipe, the right-hand member intercommunication of insulating tube has the back flow, the top fixedly connected with support of gas supply pipe.

The heat preservation pipe and the air supply pipe which are arranged in the scheme are integrally arranged, so that the volume of the gas content sensor is large, and if the influence of the temperature on the gas is small, the gas content sensor with the large volume is inconvenient to use, so that the selective use effect is not high. For this purpose, a temperature-constant device for a gas content sensor is proposed.

Disclosure of Invention

The present utility model has been made in view of the above-described problems with the conventional temperature-constant device for a gas content sensor.

Therefore, the utility model aims to provide a temperature-constant device for a gas content sensor, which solves the problem that the temperature-constant device of the gas content sensor in the prior proposal is not detachable.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a temperature constant device for gas content sensor, includes gas content detector and sets up the gas supply pipe on gas content detector, the pipe wall cover of gas supply pipe is equipped with the thermostatic tube, the inside of thermostatic tube is equipped with the constant temperature chamber, and the inside of thermostatic chamber is fixed to be equipped with the heating pipe, and the heating pipe produces heat after switching on, and the heat is at the pipe wall that transmits to the gas supply pipe, heats the inside gas of gas supply pipe at last, improves the precision to gas detection. The constant temperature pipe is characterized in that an installation pipe is fixedly arranged at the upper end of the constant temperature pipe, arc-shaped clamps are fixedly arranged on two sides of the pipe wall of the installation pipe, spring steel sheets are adopted for the arc-shaped clamps, two arc-shaped clamps are wrapped and arranged on the outer wall of the gas content detector, and a fixing mechanism is arranged between the tail ends of the two arc-shaped clamps.

Preferably, the fixing mechanism comprises a fixing ring, fixing bolts and fixing nuts, the two ends of the arc-shaped clamps are fixedly provided with the fixing rings, the two fixing rings are connected through the matching of the fixing bolts and the fixing nuts, the two ends of the arc-shaped clamps can be integrally connected through the matching of the fixing bolts and the fixing nuts, and accordingly the arc-shaped clamps are stably arranged on the side wall of the gas content detector.

Preferably, the constant temperature pipe adopts the asbestos pipe, and the thermal insulation of asbestos material is strong, the inner wall of constant temperature pipe is fixed to be inlayed and is equipped with the heat pipe, and the heat pipe adopts the aluminum alloy pipe, and the heat transfer efficiency of aluminum alloy material is high.

Preferably, one end of the mounting pipe far away from the thermostatic pipe is an end face matched with the outer wall of the gas content detector, and after the mounting pipe abuts against the outer wall of the gas content detector, the thermostatic pipe can be stably mounted on the pipe wall of the air supply pipe.

Preferably, a temperature controller is fixedly arranged on the pipe wall of the installation pipe, and the temperature controller is electrically connected with the heating pipe.

Preferably, the heating pipe adopts an annular power-on pipe, and the annular structure can enable the air supply pipe to be wrapped, so that the heating efficiency of gas in the air supply pipe is improved.

In the technical scheme, the utility model has the technical effects and advantages that:

according to the utility model, the constant temperature pipe, the heating pipe, the mounting pipe, the arc-shaped clamp, the fixing ring, the fixing bolt and the fixing nut are arranged, the constant temperature pipe is movably sleeved on the pipe wall of the air supply pipe, the two arc-shaped clamps are wrapped on the outer wall of the gas content detector, and finally the arc-shaped clamp is fixed on the outer wall of the gas content detector through the cooperation of the fixing bolt and the fixing nut, so that the fixing of the constant temperature pipe on the pipe wall of the air supply pipe is completed, and meanwhile, the constant temperature pipe can be detached from the pipe wall of the air supply pipe, so that the practicability is improved.

According to the utility model, the heat conduction pipe is arranged on the inner wall of the thermostatic pipe, and the heat conduction pipe can accelerate the heat in the thermostatic pipe to be transferred to the pipe wall of the air supply pipe, so that the air in the air supply pipe is rapidly heated, the influence of temperature on the air is reduced, and the accuracy of air detection is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;

FIG. 3 is a schematic view of the structure of the thermostatic tube, mounting tube and arc clamp of FIG. 1;

fig. 4 is a partial perspective view of the thermostatic tube of fig. 1.

Reference numerals illustrate:

1. a gas content detector; 2. an air supply pipe; 3. a thermostatic tube; 4. heating pipes; 5. installing a pipe; 6. arc-shaped clamp; 7. a fixing ring; 8. a fixing bolt; 9. a fixing nut; 10. a heat conduction pipe; 11. and a temperature controller.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The embodiment of the utility model discloses a temperature constant device for a gas content sensor.

The utility model provides a temperature constant device for a gas content sensor, as shown in figures 1 and 4, which comprises a gas content detector 1 and an air supply pipe 2 arranged on the gas content detector 1, wherein a constant temperature pipe 3 is sleeved on the pipe wall of the air supply pipe 2, a constant temperature cavity is arranged in the constant temperature pipe 3, a heating pipe 4 is fixedly arranged in the constant temperature cavity, the heating pipe 4 generates heat after being powered on, the heat is transferred to the pipe wall of the air supply pipe 2, finally, the gas in the air supply pipe 2 is heated, the heating pipe 4 adopts an annular power-on pipe, the constant temperature pipe 3 adopts an asbestos pipe, the heat preservation effect of the asbestos pipe is good, the heat loss in the constant temperature pipe 3 is reduced, a heat conducting pipe 10 is fixedly embedded in the inner wall of the constant temperature pipe 3, the heat conducting pipe 10 adopts an aluminum alloy pipe, the heat conducting effect of the aluminum alloy material is good, and the heat in the constant temperature pipe 3 enters the surface of the air supply pipe 2, so that the gas in the air supply pipe 2 is rapidly heated, and the gas detection accuracy is improved.

In order to fix the thermostatic tube 3 on the pipe wall of the air supply pipe 2, as shown in fig. 1-3, the installation tube 5 is fixedly arranged at the upper end of the thermostatic tube 3, one end of the installation tube 5, which is far away from the thermostatic tube 3, is provided with an end face which is matched with the outer wall of the gas content detector 1, the installation tube 5 is propped against the outer wall of the content detector 1, both sides of the pipe wall of the installation tube 5 are fixedly provided with arc clamp 6, the two arc clamp 6 are wrapped on the outer wall of the gas content detector 1, the arc clamp 6 is made of a spring steel sheet, the elasticity of the spring steel material is good, the arc clamp 6 can be suitable for the outer wall size of the gas content detector 1, a fixing mechanism is arranged between the tail ends of the two arc clamp 6, the fixing mechanism comprises a fixing ring 7, a fixing bolt 8 and a fixing nut 9, the tail ends of the two arc clamp 6 are fixedly provided with the fixing ring 7, the two fixing rings 7 are connected through the matching of the fixing bolt 8 and the fixing nut 9, the two arc clamp 6 are wrapped on the outer wall of the gas content detector 1, the arc clamp 6 is fixed on the outer wall of the gas content detector 1 through the matching of the fixing bolt 8 and the fixing nut 9, the fixing mechanism is good in elasticity, and the pipe wall 3 can be detached from the air supply pipe 2 simultaneously.

Finally, in order to control the heating temperature of the heating pipe 4, as shown in fig. 1, a temperature controller 11 is fixedly installed on the pipe wall of the installation pipe 5, the temperature controller 11 is electrically connected with the heating pipe 4, and the heating temperature of the gas inside the gas supply pipe 2 by the heating pipe 4 can be adjusted by adjusting the temperature controller 11.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The temperature constant device for the gas content sensor comprises a gas content detector (1) and an air supply pipe (2) arranged on the gas content detector (1), and is characterized in that a constant temperature pipe (3) is sleeved on the pipe wall of the air supply pipe (2), a constant temperature cavity is arranged in the constant temperature pipe (3), and a heating pipe (4) is fixedly arranged in the constant temperature cavity;

the constant temperature pipe (3) is fixed to be equipped with installation pipe (5) in the upper end, and the pipe wall both sides of installation pipe (5) are all fixed and are equipped with arc clamp (6), two arc clamp (6) parcel sets up on the outer wall of gas content detector (1), and is equipped with fixed establishment between the end of two arc clamps (6).

2. The temperature-constant device for a gas content sensor according to claim 1, wherein the fixing mechanism comprises a fixing ring (7), a fixing bolt (8) and a fixing nut (9), the fixing rings (7) are fixedly arranged at the tail ends of the two arc-shaped hoops (6), and the two fixing rings (7) are connected through the matching of the fixing bolt (8) and the fixing nut (9).

3. The temperature-constant device for a gas content sensor according to claim 1, characterized in that the arcuate clip (6) is a spring steel sheet.

4. The temperature-constant device for a gas content sensor according to claim 1, wherein the thermostatic tube (3) is an asbestos tube, the inner wall of the thermostatic tube (3) is fixedly embedded with a heat conducting tube (10), and the heat conducting tube (10) is an aluminum alloy tube.

5. A temperature-constant device for a gas content sensor according to claim 1, characterized in that the end of the mounting tube (5) remote from the thermostatic tube (3) adopts an end face that engages with the outer wall of the gas content detector (1).

6. The temperature-constant device for a gas content sensor according to claim 1, wherein a temperature controller (11) is fixedly installed on the pipe wall of the installation pipe (5), and the temperature controller (11) is electrically connected with the heating pipe (4).

7. A temperature-constant device for a gas content sensor according to claim 1, characterized in that the heating tube (4) is an annular energizing tube.