CN211179435U - Air inlet heating type oil smoke monitor - Google Patents
Air inlet heating type oil smoke monitor Download PDFInfo
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- CN211179435U CN211179435U CN201921441449.6U CN201921441449U CN211179435U CN 211179435 U CN211179435 U CN 211179435U CN 201921441449 U CN201921441449 U CN 201921441449U CN 211179435 U CN211179435 U CN 211179435U
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Abstract
The utility model discloses an air inlet heating type oil smoke monitor, which comprises a monitor box body, wherein an air pump, a gas heater, a gas analysis chamber and a processor are arranged in the monitor box body; a gas sensor is arranged in the gas analysis chamber, and the signal output end of the gas sensor is connected with the signal input end of the processor; the gas inlet end of the air pump is connected with the outside, the gas outlet end of the air pump is connected with the gas inlet end of the gas heater, the gas outlet end of the gas heater is connected with the gas inlet end of the gas analysis chamber, and the gas outlet end of the gas analysis chamber is communicated with the outside; and a temperature sensor is arranged in the gas analysis chamber, and the signal output end of the temperature sensor is connected with the signal input end of the gas heater. The utility model discloses can carry out the thermal treatment to the oil smoke gas of extraction, improve the precision of oil smoke monitor.
Description
Technical Field
The utility model relates to an oil smoke detection area especially relates to an air inlet heating type oil smoke monitor.
Background
In recent years, with the continuous development and improvement of national economic level of China, the oil smoke pollution in the food industry becomes a big problem of urban environmental pollution, and is one of the hot spots of environmental complaints, and according to incomplete statistics, the food industry related complaints account for 40% of all the complaints in all the environmental complaints. The oil smoke monitor can carry out real-time supervision to the emission condition of oil smoke. The oil smoke that the food and beverage trade discharged contains vapor, and when lampblack monitor extracted oil smoke analysis, vapor and organism contact probably receive the condensation to dew form, based on the theory of operation of oil smoke analysis sensor, the water of liquid state can influence the measurement of sensor to the oil smoke concentration, and then influences the precision of oil smoke monitor.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides an air inlet heating type oil smoke monitor can carry out heat treatment to the oil smoke gas of extraction, improves the precision of oil smoke monitor.
The technical scheme is as follows: in order to achieve the purpose, the utility model discloses an air inlet heating type oil smoke monitor, which comprises a monitor box body, wherein a gas heater and a gas analysis chamber are arranged in the monitor box body; the gas heater comprises an inner heating shell and an outer heat insulation shell, wherein the outer heat insulation shell wraps the inner heating shell and forms an airflow heat insulation interlayer; the air inlet end and the air outlet end of the outer heat insulation shell are separated by a distance, and airflow enters the airflow heat insulation interlayer from the air inlet end of the outer heat insulation shell, dispersedly surrounds the periphery of the inner heating shell and then enters the inner heating shell; and the air outlet end of the inner heating shell is communicated with the air inlet end of the gas analysis chamber.
Furthermore, an airflow heating channel is arranged inside the inner heating shell, and a plurality of heat exchange plates are arranged in the airflow heating channel in a staggered mode to form a zigzag structure.
Further, the edges of the heat exchange plates are bent towards the input end of the air flow, slowing down the air flow movement.
Further, the circumferential distance between the air inlet end and the air outlet end of the outer heat insulation shell is at least three quarters of a circle.
Furthermore, the air outlet end of the air heater is connected with the air inlet end of the air analysis chamber through a heat insulation pipeline, and a heat insulation aerogel layer or a phenolic foam layer is arranged on the outer layer of the heat insulation pipeline.
Further, a temperature sensor is arranged in the gas analysis chamber, and a signal output end of the temperature sensor is connected with a signal input end of the gas heater.
Further, an air suction pump is arranged in the monitor box body, and an air outlet end of the air suction pump is connected with an air inlet end of the air heater; and the gas inlet end of the gas heater is provided with a gas flowmeter, and the signal output end of the gas flowmeter is connected with the signal input end of the air pump.
Has the advantages that: the utility model discloses an air inlet heating type oil smoke monitor, which carries out heating pretreatment on the extracted oil smoke gas, and reduces the precision influence of moisture on the oil smoke monitor; an airflow heat insulation layer is arranged in the gas heater to insulate heat of the oil smoke gas; a heat insulation pipeline is arranged between the gas heater and the gas analysis chamber, so that the heat loss is further reduced; the gas flowmeter is arranged to control the pumping speed of the air pump, and the accuracy of the oil fume monitor is improved.
Drawings
FIG. 1 is a schematic view of a soot monitor;
FIG. 2 is a schematic half-sectional view of a gas heating chamber without a heat exchange plate;
FIG. 3 is a schematic half-section view of a gas heating chamber with heat exchange plates;
fig. 4 is a perspective schematic view of a gas heating chamber.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, the air intake heating type soot monitor comprises a monitor box body 1, wherein an air suction pump 2, a gas heater 3, a gas analysis chamber 4 and a processor 5 are arranged in the monitor box body 1; a gas sensor 6 is arranged in the gas analysis chamber 4, and the signal output end of the gas sensor 6 is connected with the signal input end of the processor 5; the air inlet end of the air pump 2 is connected with the outside, the air outlet end of the air pump 2 is connected with the air inlet end of the air heater 3, the air outlet end of the air heater 3 is connected with the air inlet end of the air analysis chamber 4, and the air outlet end of the air analysis chamber 4 is communicated with the outside.
The gas heater 3 heats the extracted oil smoke gas, so that the influence of condensation on water vapor on the measurement precision of the gas sensor 6 is avoided; the gas heater 3 comprises an inner heating shell 32 and an outer heat insulation shell 31, the outer heat insulation shell 31 wraps the inner heating shell 32 and forms a gas flow heat insulation interlayer 33, so that the gas flow firstly forms a layer of heat insulation of the gas flow around the inner heating shell 31 before entering the inner heating shell 32; the air inlet end and the air outlet end of the outer heat insulation shell 31 are separated by a distance, so that the air flow can dispersedly wrap the whole inner heating shell 31; the airflow enters the airflow heat insulation interlayer 33 from the air inlet end of the outer heat insulation shell 31, is scattered around the inner heating shell 32, and then enters the inner heating shell 32, so that a stable airflow heat insulation layer is formed; the gas flow is heated in the inner heating shell 32, the gas outlet end of the inner heating shell 32 is communicated with the gas inlet end of the gas analysis chamber 4, and the gas flow enters the gas inlet end of the gas analysis chamber 4 from the gas outlet end of the inner heating shell 32.
An airflow heating channel 34 is arranged inside the inner heating shell 32, and a plurality of heat exchange plates 35 are arranged in the airflow heating channel 34 in a staggered mode to form a zigzag structure; the heat exchange plate 35 can increase the gas heating area, and the zigzag structure can increase the gas heating time and improve the heating effect of the gas heater 3.
The edges of the heat exchange plates 35 are bent towards the input end of the air flow, slowing down the air flow movement and increasing the heating time of the air flow.
The circumferential distance between the air inlet end and the air outlet end of the outer heat insulation shell 31 is at least three quarters of circumference, so that the air flow can be dispersed and filled in the whole air flow heat insulation interlayer 33, and the heat insulation effect of the air flow is improved.
The gas outlet end of the gas heater 3 is connected with the gas inlet end of the gas analysis chamber 4 through a heat insulation pipeline 8, and a heat insulation aerogel layer or a phenolic foam layer is arranged on the outer layer of the heat insulation pipeline 8, so that the heat loss of heated gas entering the gas analysis chamber 4 is reduced.
The gas analysis chamber 4 is internally provided with a temperature sensor 7 for detecting the temperature condition in the gas analysis chamber 4 and preventing the heat damage of parts due to the over-temperature in the gas analysis chamber 4 or preventing the water vapor from being exposed due to condensation because of the over-low temperature, the signal output end of the temperature sensor 7 is connected with the signal input end of the gas heater 3, and the output power of the gas heater 3 is adjusted in a feedback manner according to the temperature condition in the gas analysis chamber 4.
An air suction pump 2 is arranged in the monitor box body 1, and an air outlet end of the air suction pump 2 is connected with an air inlet end of the air heater 3; the air inlet end of the gas heater 3 is provided with a gas flowmeter 10, the signal output end of the gas flowmeter 10 is connected with the signal input end of the air pump 2, the gas flowmeter 10 measures the gas flow entering the gas heater 3 and adjusts the extraction speed of the air pump 2 in a feedback mode, and the accuracy of the oil smoke monitor is improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (7)
1. The utility model provides an inlet air heating type oil smoke monitor which characterized in that: the monitoring instrument comprises a monitoring instrument box body (1), wherein a gas heater (3) and a gas analysis chamber (4) are arranged in the monitoring instrument box body (1); the gas heater (3) comprises an inner heating shell (32) and an outer heat insulation shell (31), wherein the outer heat insulation shell (31) wraps the inner heating shell (32) and forms an airflow heat insulation interlayer (33); the air inlet end and the air outlet end of the outer heat insulation shell (31) are separated by a distance, and air flow enters the air flow heat insulation interlayer (33) from the air inlet end of the outer heat insulation shell (31), is scattered around the inner heating shell (32) and then enters the inner heating shell (32); the air outlet end of the inner heating shell (32) is communicated with the air inlet end of the gas analysis chamber (4).
2. The intake heating type soot monitor as claimed in claim 1, wherein: an air flow heating channel (34) is arranged inside the inner heating shell (32), and a plurality of heat exchange plates (35) are arranged in the air flow heating channel (34) in a staggered mode to form a zigzag structure.
3. The intake heating type soot monitor as claimed in claim 2, wherein: the edges of the heat exchange plates (35) are bent towards the input end of the air flow, slowing down the air flow movement.
4. The intake heating type soot monitor as claimed in claim 1, wherein: the circumferential distance between the air inlet end and the air outlet end of the outer heat insulation shell (31) is at least three quarters of a circle.
5. The intake heating type soot monitor as claimed in claim 1, wherein: the gas outlet end of the gas heater (3) is connected with the gas inlet end of the gas analysis chamber (4) through a heat insulation pipeline (8), and a heat insulation aerogel layer or a phenolic foam layer is arranged on the outer layer of the heat insulation pipeline (8).
6. The intake heating type soot monitor as claimed in claim 1, wherein: and a temperature sensor (7) is arranged in the gas analysis chamber (4), and the signal output end of the temperature sensor (7) is connected with the signal input end of the gas heater (3).
7. The intake heating type soot monitor as claimed in claim 1, wherein: an air suction pump (2) is arranged in the monitor box body (1), and an air outlet end of the air suction pump (2) is connected with an air inlet end of the gas heater (3); and a gas flowmeter (10) is arranged at the gas inlet end of the gas heater (3), and the signal output end of the gas flowmeter (10) is connected with the signal input end of the air pump (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921441449.6U CN211179435U (en) | 2019-09-02 | 2019-09-02 | Air inlet heating type oil smoke monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921441449.6U CN211179435U (en) | 2019-09-02 | 2019-09-02 | Air inlet heating type oil smoke monitor |
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| Publication Number | Publication Date |
|---|---|
| CN211179435U true CN211179435U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921441449.6U Active CN211179435U (en) | 2019-09-02 | 2019-09-02 | Air inlet heating type oil smoke monitor |
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| CN (1) | CN211179435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567851A (en) * | 2019-09-02 | 2019-12-13 | 江苏蓝创智能科技股份有限公司 | High-precision oil smoke monitor and working method thereof |
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2019
- 2019-09-02 CN CN201921441449.6U patent/CN211179435U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567851A (en) * | 2019-09-02 | 2019-12-13 | 江苏蓝创智能科技股份有限公司 | High-precision oil smoke monitor and working method thereof |
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