CN210052066U - Constant temperature control device applied to paramagnetic oxygen sensor - Google Patents
Constant temperature control device applied to paramagnetic oxygen sensor Download PDFInfo
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- CN210052066U CN210052066U CN201920705576.6U CN201920705576U CN210052066U CN 210052066 U CN210052066 U CN 210052066U CN 201920705576 U CN201920705576 U CN 201920705576U CN 210052066 U CN210052066 U CN 210052066U
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- oxygen sensor
- paramagnetic oxygen
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Abstract
The utility model relates to a be applied to paramagnetic oxygen sensor's thermostatic control device, including the metal casing, the metal casing inner wall is equipped with the heat preservation, the inside temperature sensor support that is equipped with of metal casing, paramagnetic oxygen sensor support and heat dissipation aluminium support, the temperature sensor support is connected with temperature sensor, paramagnetic oxygen sensor support is connected with paramagnetic oxygen sensor, paramagnetic oxygen sensor upper portion is connected with the rubber tube, paramagnetic oxygen sensor lower part is connected with the sensor lead wire, heat dissipation aluminium support is connected with heat dissipation aluminium, be equipped with heat dissipation aluminium hole on the heat dissipation aluminium, it is downthehole that the heating rod is fixed in heat dissipation aluminium through the flange screw. The utility model has the advantages that: a constant temperature environment is set for the paramagnetic oxygen sensor in a gas analysis system taking the paramagnetic oxygen sensor as a detection element, the measurement accuracy of the sensor is reduced due to the fact that the paramagnetic oxygen sensor is influenced by temperature in the process of distinguishing the percentage content of oxygen and other gases through magnetism is eliminated, and the detection accuracy of the paramagnetic oxygen sensor is not reduced in the monitoring process.
Description
Technical Field
The utility model relates to a power equipment field particularly, relates to a be applied to paramagnetic oxygen sensor's thermostatic control device.
Background
Oxygen is a paramagnetic gas, and when a strong magnetic field exists outside, oxygen molecules are absorbed into the magnetic field. By this physical property, oxygen can be distinguished from most gases.
The measurement accuracy of the sensor is reduced due to the fact that the oxygen and other gases are affected by temperature in the process of distinguishing the percentage content through magnetism, the detection accuracy of the paramagnetic oxygen sensor is reduced due to the fact that the temperature difference between the daytime and the nighttime and the temperature difference between the summer and the winter in the all-weather production monitoring process, and a gas analysis system which is sold in the market and takes the paramagnetic oxygen sensor as a detection element does not have the paramagnetic oxygen sensor arranged in a constant temperature environment.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the above technical problem in the correlation technique, the utility model aims at providing a be applied to paramagnetic oxygen sensor's thermostatic control device, overcome the not enough of above-mentioned aspect in the current product.
The utility model aims at realizing through the following technical scheme: the utility model provides a be applied to paramagnetic oxygen sensor's thermostatic control device, includes the metal casing, the metal casing inner wall is equipped with the heat preservation, inside temperature sensor support, paramagnetic oxygen sensor support and the heat dissipation aluminium support of being equipped with of metal casing, the temperature sensor support is connected with temperature sensor, paramagnetic oxygen sensor support is connected with paramagnetic oxygen sensor, be connected with the rubber tube in the same direction as magnetic oxygen sensor upper portion, be connected with the sensor lead wire in the same direction as magnetic oxygen sensor lower part, heat dissipation aluminium support is connected with heat dissipation aluminium, be equipped with heat dissipation aluminium hole on the heat dissipation aluminium, the heating rod passes through flange screw fixation in the heat dissipation aluminium is downthehole.
The metal casing is the constant temperature equipment shell, and play the fixed effect of internal component, the heat preservation slows down the heat exchange rate of the inside and outside of metal casing, temperature sensor provides feedback signal for constant temperature system in PID heating control process, paramagnetic oxygen sensor detects the percentage content of oxygen in the sample gas, the rubber tube is with sample gas input and output paramagnetic oxygen sensor detection room, the sensor lead wire will measure the oxygen percentage content signal output, the heat dissipation aluminium can accelerate the heat exchange rate of heating rod and the inside air of constant temperature equipment, reduce heating rod surface temperature protection heating rod and not burnt out, make the inside rapid heating up of constant temperature equipment simultaneously, the heating rod provides the heating source for constant temperature equipment, the flange screw prevents that the heating rod from the downthehole roll-off of heat dissipation aluminium in use or transportation.
Further, the temperature sensor bracket fixes the temperature sensor at an upper central position in the metal shell.
Further, the paramagnetic oxygen sensor support supports the paramagnetic oxygen sensor at a central position within the metal shell.
Further, the heat dissipation aluminum bracket supports the heat dissipation aluminum at a lower central position in the metal shell.
Further, the heat-insulating layer is made of heat-insulating cotton.
The utility model has the advantages that: a constant temperature environment is set for the paramagnetic oxygen sensor in a gas analysis system taking the paramagnetic oxygen sensor as a detection element, the measurement accuracy of the sensor is reduced due to the fact that the paramagnetic oxygen sensor is influenced by temperature in the process of distinguishing the percentage content of oxygen and other gases through magnetism is eliminated, and the detection accuracy of the paramagnetic oxygen sensor cannot be reduced in the all-weather production monitoring process.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a thermostatic control device applied to a paramagnetic oxygen sensor according to an embodiment of the present invention.
In the figure: 1. a temperature sensor; 2. a temperature sensor support; 3. a paramagnetic oxygen sensor; 4. a metal shell; 5. a heat-insulating layer; 6. heat-dissipating aluminum; 7. a heating rod; 8. a rubber tube; 9. a paramagnetic oxygen sensor mount; 10. a sensor lead; 11. a flange screw; 12. and (4) a heat dissipation aluminum bracket.
Detailed Description
As shown in fig. 1, the embodiment of the utility model provides a be applied to thermostatic control device of paramagnetic oxygen sensor, including metal casing 4, 4 inner walls of metal casing are equipped with heat preservation 5, 4 inside temperature sensor support 2, paramagnetic oxygen sensor support 9 and the heat dissipation aluminium support 12 of being equipped with of metal casing, temperature sensor support 2 is connected with temperature sensor 1, paramagnetic oxygen sensor support 9 is connected with paramagnetic oxygen sensor 3, 3 upper portions of paramagnetic oxygen sensor are connected with rubber tube 8, 3 lower parts of paramagnetic oxygen sensor are connected with sensor lead 10, heat dissipation aluminium support 12 is connected with heat dissipation aluminium 6, be equipped with heat dissipation aluminium hole on the heat dissipation aluminium 6, the heating rod is fixed in through the flange screw in the heat dissipation aluminium is downthehole.
In a specific embodiment of the present invention, the temperature sensor 1 is fixed in the metal shell 4 at an upper central position by the temperature sensor support 2.
In a specific embodiment of the present invention, the paramagnetic oxygen sensor holder 9 supports the paramagnetic oxygen sensor 3 at a middle position inside the metal shell 4.
In one embodiment of the present invention, the heat dissipating aluminum support 12 supports the heat dissipating aluminum 6 at a lower central position in the metal shell 4.
In a specific embodiment of the present invention, the material of the heat-insulating layer 5 is heat-insulating cotton.
When in specific use, according to the constant temperature control device applied to the paramagnetic oxygen sensor, the metal shell 4 is a shell of the constant temperature control system device and provides fixing and supporting functions for elements of the device; the temperature sensor 1 provides a feedback signal for the constant temperature system in the PID heating control process, the power supply voltage and current input of the heating rod 7 are controlled through the MCU chip, so that the temperature in the whole constant temperature device is constant, and the temperature sensor 1 is fixed in the middle of the upper part of the constant temperature device by the temperature sensor support 2; the paramagnetic oxygen sensor 3 is arranged at the central position of the thermostatic device system and is used for detecting the percentage content of oxygen in the sample gas; the heat-insulating cotton slows down the heat exchange rate inside and outside the metal shell and keeps the temperature inside the constant temperature device system constant; the surface area of the heat dissipation aluminum 6 is far larger than that of the heating rod 7, so that the heat exchange rate of the heating rod 7 and the air in the constant temperature device can be increased, the temperature accumulated on the surface of the heating rod 7 can be quickly conducted to the surface of the heat dissipation aluminum 6, the air medium in the constant temperature device can be quickly heated, and a heat source is provided for the constant temperature of the measurement chamber of the paramagnetic oxygen sensor 3; through the rubber tube 8 with sample gas input and output paramagnetic oxygen sensor detection chamber, paramagnetic oxygen sensor support 9 supports paramagnetic oxygen sensor at the thermostat middle part centrally, and sensor lead wire 10 will measure oxygen percentage content signal output and give MCU computational system, and 11 marginal portions of flange screw block that heating rod 7 overlaps, prevent to add heating rod 7 from following the downthehole roll-off of heat dissipation aluminium 6's mounting hole in use or transportation, and heat dissipation aluminium support 12 supports the heat dissipation aluminium centrally in the thermostat lower part.
To sum up, with the help of the utility model discloses an above-mentioned technical scheme sets up a constant temperature environment for paramagnetic oxygen sensor in the gas analysis system who uses paramagnetic oxygen sensor as detecting element, gets rid of through magnetism difference oxygen and other gaseous percentage content's in-process can receive the temperature influence and reduce the measurement accuracy of sensor to no matter daytime and night's the difference in temperature and summer and winter's difference in temperature can not reduce paramagnetic oxygen sensor's detection accuracy in the all-weather production monitoring process.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (5)
1. A constant temperature control device applied to a paramagnetic oxygen sensor comprises a metal shell (4), and is characterized in that: metal casing (4) inner wall is equipped with heat preservation (5), inside temperature sensor support (2), paramagnetic oxygen sensor support (9) and the aluminium support that dispels the heat (12) of being equipped with of metal casing (4), temperature sensor support (2) are connected with temperature sensor (1), be connected with paramagnetic oxygen sensor (3) in the same direction as magnetic oxygen sensor support (9), be connected with rubber tube (8) in the same direction as magnetic oxygen sensor (3) upper portion, paramagnetic oxygen sensor (3) lower part is connected with sensor lead wire (10), heat dissipation aluminium support (12) are connected with heat dissipation aluminium (6), be equipped with heat dissipation aluminium hole on heat dissipation aluminium (6), the heating rod is fixed in through the flange screw in the heat dissipation aluminium is downthehole.
2. The thermostatic control device applied to the paramagnetic oxygen sensor according to claim 1, wherein: the temperature sensor support (2) fixes the temperature sensor (1) at the upper central position in the metal shell (4).
3. The thermostatic control device applied to the paramagnetic oxygen sensor according to claim 1, wherein: the paramagnetic oxygen sensor (3) is supported in the middle of the inner part of the metal shell (4) by the paramagnetic oxygen sensor bracket (9).
4. The thermostatic control device applied to the paramagnetic oxygen sensor according to claim 1, wherein: the heat dissipation aluminum bracket (12) supports the heat dissipation aluminum (6) at a position which is in the middle of the inner lower part of the metal shell (4).
5. The thermostatic control device applied to the paramagnetic oxygen sensor according to claim 1, wherein: the heat-insulating layer (5) is made of heat-insulating cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920705576.6U CN210052066U (en) | 2019-05-16 | 2019-05-16 | Constant temperature control device applied to paramagnetic oxygen sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920705576.6U CN210052066U (en) | 2019-05-16 | 2019-05-16 | Constant temperature control device applied to paramagnetic oxygen sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210052066U true CN210052066U (en) | 2020-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920705576.6U Active CN210052066U (en) | 2019-05-16 | 2019-05-16 | Constant temperature control device applied to paramagnetic oxygen sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210052066U (en) |
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2019
- 2019-05-16 CN CN201920705576.6U patent/CN210052066U/en active Active
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