Gas sensor capable of adapting to temperature change

Abstract

The utility model relates to the field of environment monitoring equipment, in particular to a gas sensor capable of adapting to temperature change. The utility model provides the gas sensor capable of adapting to the temperature change, which can carry out temperature control according to the temperature change of the gas, avoid the damage of the gas sensor caused by over-high or over-low temperature of the gas and ensure the accuracy of a detection result. A gas sensor capable of adapting to temperature change comprises a gas conveying pipe, a gas sensor body and the like, and the gas sensor body is connected to the lower right portion of the gas conveying pipe. According to the utility model, when the temperature sensor detects that the gas temperature is relatively low, the heating sleeve is used for heating, and when the temperature sensor detects that the gas temperature is relatively high, the cooling sleeve is used for cooling, so that the temperature can be controlled according to the temperature change of the gas, and the damage of the gas sensor caused by over-high or over-low gas temperature is avoided; and the accuracy of a detection result is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental monitoring equipment field especially, it is a kind of gas sensor that can adapt to temperature change. BACKGROUND

[0002] Gas sensor is a kind of equipment that can detect specific gas concentration in environment, is widely used in environmental monitoring, industrial safety, medical diagnosis and other fields, and the core component of gas sensor is usually a material sensitive to gas reaction, and the electrical characteristics of the material will change with the concentration of detected gas, but in the process of detecting gas, when gas temperature is too high or too low, it is easy to cause the sensitivity of gas sensor to decline, thereby affecting the accuracy of detection result, it is more inconvenient.

[0003] Therefore, a gas sensor that can adapt to temperature change is needed, which can control temperature according to the temperature change of gas, avoid damage to the gas sensor caused by too high or too low gas temperature, and ensure the accuracy of detection result. SUMMARY

[0004] In order to overcome the disadvantage that the sensitivity of gas sensor is easy to decline when gas temperature is too high or too low in the process of detecting gas, thereby affecting the accuracy of detection result, the utility model provides a gas sensor that can adapt to temperature change, which can control temperature according to the temperature change of gas, avoid damage to the gas sensor caused by too high or too low gas temperature, and ensure the accuracy of detection result.

[0005] The technical implementation scheme of the utility model is: a gas sensor that can adapt to temperature change, comprising a gas pipe, a gas sensor and a temperature control component, the gas sensor is connected to the right lower part of the gas pipe, and the temperature control component is arranged at the left upper part of the gas pipe.

[0006] Optionally, the temperature control component comprises a heating sleeve, a cooling sleeve and a temperature sensor, the heating sleeve is connected to the left upper part of the gas pipe, the cooling sleeve is connected to the left upper part of the gas pipe, the cooling sleeve is located below the heating sleeve, and the heating sleeve and the cooling sleeve are both connected to the temperature sensor on the upper side, the temperature sensor on the upper part is electrically connected to the heating sleeve, and the temperature sensor on the lower part is electrically connected to the cooling sleeve.

[0007] Optionally, it further comprises an air inlet and a filter, the filter is connected to the left part of the gas pipe, the filter is located above the heating sleeve, and the air inlet is connected to the upper side of the filter.

[0008] Optionally, it further comprises a fixed plate and a fixed ring, the fixed ring is detachably connected to the lower part of the gas sensor, and the fixed plate is connected to the rear side of the fixed ring.

[0009] Optionally, the left and right parts of the fixed plate are both screw-connected to two screws.

[0010] Optionally, the warning light is further included, and the warning light is connected to the right side of the gas conveying pipe.

[0011] The utility model has the advantages that when the temperature sensor detects that the gas temperature is low, heating is carried out through the heating sleeve pipe, when the temperature sensor detects that the gas temperature is high, cooling is carried out through the cooling sleeve pipe, the temperature control according to the temperature change of the gas is realized, the damage of the gas sensor caused by the excessively high or low gas temperature is avoided, and the accuracy of the detection result is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the first kind of three-dimensional structure schematic diagram of the utility model.

[0013] Figure 2 It is the second kind of three-dimensional structure schematic diagram of the utility model.

[0014] The meaning of the reference numeral in the drawing is as follows: 1 - inlet nozzle, 2 - filter, 3 - gas conveying pipe, 4 - heating sleeve pipe, 5 - cooling sleeve pipe, 6 - temperature sensor, 7 - gas sensor, 8 - fixed plate, 9 - fixed ring, 10 - warning light. DETAILED DESCRIPTION

[0015] The utility model will be further explained in connection with specific embodiment, still need to explain, unless another explicit provision and limitation, the term such as: setting, installation, be connected, be connected should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements inside.The above-mentioned term in the utility model is understood according to the specific meaning of the specific circumstances to the ordinary skilled in the art.

[0016] A gas sensor adaptable to temperature change, as shown in Figure 1 And Figure 2As shown, including the air inlet nozzle 1, filter 2, gas pipe 3, heating sleeve 4, cooling sleeve 5, temperature sensor 6, gas sensor 7, fixed plate 8, fixed ring 9 and warning light 10, the left part of the gas pipe 3 is connected with the filter 2, the filter 2 is located on the upper side of the heating sleeve 4, the upper side of the filter 2 is connected with the air inlet nozzle 1, the right lower part of the gas pipe 3 is connected with the gas sensor 7, the left upper part of the gas pipe 3 is connected with the heating sleeve 4, the left upper part of the gas pipe 3 is connected with the cooling sleeve 5, the cooling sleeve 5 is located on the lower side of the heating sleeve 4, the heating sleeve 4 and the upper side of the cooling sleeve 5 are both connected with the temperature sensor 6, the upper temperature sensor 6 is connected with the heating sleeve 4 through electricity, the lower temperature sensor 6 is connected with the cooling sleeve 5 through electricity, the lower part of the gas sensor 7 is detachably connected with the fixed ring 9, the rear side of the fixed ring 9 is connected with the fixed plate 8, the left and right parts of the fixed plate 8 are both screwedly provided with two screws up and down, which is convenient for fixing, the right side of the gas pipe 3 is connected with the warning light 10, and the temperature sensor 6 is connected with the warning light 10 through electricity.

[0017] In use of the device, first, the fixed plate 8 is installed in the gas detection area through screws, then the gas sensor 7 is installed on the fixed ring 9, then the gas to be detected enters the filter 2 through the air inlet nozzle 1, the impurities are filtered through the filter 2, so that the gas enters the gas pipe 3, then the gas detection is carried out through the gas sensor 7, when the temperature sensor 6 detects that the gas temperature is low, heating is carried out through the heating sleeve 4, when the temperature sensor 6 detects that the gas temperature is high, cooling is carried out through the cooling sleeve 5, so that the temperature control can be carried out according to the temperature change of the gas, the gas sensor 7 is prevented from being damaged due to the excessively high or low gas temperature, the accuracy of the detection result is ensured, and the warning light 10 emits light when the temperature sensor 6 detects that the gas temperature is abnormal.

[0018] Although the utility model is described in detail with reference to the above embodiment, it is obvious to those skilled in the art through the disclosure that various changes or modifications can be made to the utility model without departing from the principle and spirit of the utility model defined in the claims, therefore, the detailed description of the embodiment of the disclosure is only used for explanation, not for limiting the utility model, and the protection range is defined by the content of the claims.

Claims

1. A gas sensor which is adaptable to temperature changes, characterized by: Including gas pipe (3), gas sensor (7) and temperature control assembly, gas pipe (3) lower right part is connected with gas sensor (7), and the left upper part of gas pipe (3) is equipped with temperature control assembly.

2. A gas sensor capable of adapting to temperature changes according to claim 1, characterized in that: Temperature control assembly includes heating sleeve (4), cooling sleeve (5) and temperature sensor (6), the left upper part of gas pipe (3) is connected with heating sleeve (4), and the left upper part of gas pipe (3) is connected with cooling sleeve (5), cooling sleeve (5) is located at the lower side of heating sleeve (4), and the upper side of heating sleeve (4) and cooling sleeve (5) is connected with temperature sensor (6), the upper temperature sensor (6) is connected with heating sleeve (4) by electrically, and the lower temperature sensor (6) is connected with cooling sleeve (5) by electrically.

3. A gas sensor capable of adapting to temperature changes according to claim 1, characterized in that: Still including air inlet nozzle (1) and filter (2), and the left part of gas pipe (3) is connected with filter (2), and filter (2) is located at the upper side of heating sleeve (4), and the upper side of filter (2) is connected with air inlet nozzle (1).

4. A gas sensor capable of adapting to temperature changes according to claim 1, characterized in that: Still including fixed plate (8) and fixed ring (9), and the lower part of gas sensor (7) is detachably connected with fixed ring (9), and the rear side of fixed ring (9) is connected with fixed plate (8).

5. A gas sensor capable of adapting to temperature changes according to claim 4, characterized in that: The left and right two parts of fixed plate (8) are screwedly provided with two screws.

6. A gas sensor capable of adapting to temperature changes according to claim 1, characterized in that: Still including warning light (10), and the right side of gas pipe (3) is connected with warning light (10), and temperature sensor (6) is connected with warning light (10) by electrically.

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