CN112362192A - Temperature sensing equipment for meteorological station - Google Patents
Temperature sensing equipment for meteorological station Download PDFInfo
- Publication number
- CN112362192A CN112362192A CN202011385423.1A CN202011385423A CN112362192A CN 112362192 A CN112362192 A CN 112362192A CN 202011385423 A CN202011385423 A CN 202011385423A CN 112362192 A CN112362192 A CN 112362192A
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- reflector
- ring piece
- temperature sensing
- temperature sensor
- sensor probe
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/20—Compensating for effects of temperature changes other than those to be measured, e.g. changes in ambient temperature
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- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention discloses temperature sensing equipment for a meteorological station, which comprises a first reflecting cover, a second reflecting cover and a temperature sensor probe, wherein the first reflecting cover and the second reflecting cover are cones with downward openings and are connected through a heat insulation column, a first circular table ring piece is connected below the second reflecting cover through the heat insulation column, an annular flow guide pipeline is connected below the first ring piece, a second ring piece is connected below the annular flow guide pipeline, the first ring piece is a right circular table ring piece, the second ring piece is an inverted circular table ring piece, and the temperature sensor probe is arranged in the center of the annular flow guide pipeline. The ambient air of this equipment temperature sensor probe is well circulated, does not produce the heat and piles up the phenomenon, can constantly renew the air current that the temperature sensor probe felt simultaneously, makes the temperature that records have good ageing, and the temperature sensor probe receives solar radiation to influence for a short time, can reflect solar radiation and the reflection radiation on ground, reduces radiation error, stable in structure, easily installation and maintenance.
Description
Technical Field
The present invention relates to a temperature sensing apparatus, and more particularly, to a temperature sensing apparatus for a weather station.
Background
The temperature sensor is a sensor commonly used in meteorological observation, and during meteorological measurement, the precision of the temperature sensor is influenced by a plurality of factors, for example, the temperature of the temperature sensor is increased by solar radiation in daytime, so that the observed value of the temperature sensor is higher than the air temperature of the surrounding environment, and the error caused by the phenomenon is called as a solar radiation error, and besides, the error is caused by element wetting, self-heating effect, long-wave radiation and the like. In order to reduce errors, the temperature sensor probe is wrapped by a common louver box or a natural ventilation radiation-proof cover at present, so that direct radiation of the sun to the temperature sensor probe can be avoided, and radiation errors are reduced. However, the white coating on the outer surface of the louver or the radiation shield is difficult to reflect all solar radiation, and the traditional louver or radiation shield, especially the blades and the ring plates thereof, still generates remarkable radiation temperature rise, so that the air flow flowing into the louver or radiation shield is heated, and the observation result of the probe of the internal temperature sensor is higher than the temperature of the external free air. In addition, because the blades and the ring plate are not favorable for air flow circulation, the radiation error is increased due to the occurrence of thermal pollution effect caused by low air flow speed inside the louver box or the radiation shield. In addition, gaps are formed between the blades of the louver box and the ring piece of the radiation-proof cover, so that a certain proportion of direct solar radiation, scattered radiation and ground reflected radiation always enter the instrument from the gaps and irradiate the surface of the temperature sensor probe, the radiation error is further enlarged, the response speed of the temperature sensor probe is reduced, and the hysteresis error is caused, wherein the hysteresis of the wooden louver box can reach more than 10 minutes. In addition, the thermal capacities of the louver box and the radiation-proof cover are large, so that great difficulty is brought to temperature pulsation observation.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide temperature sensing equipment for a weather station, which is less affected by radiation, high in measurement precision and small in error.
The technical scheme is as follows: the temperature sensing equipment for the meteorological station comprises a first reflecting cover, a second reflecting cover and a temperature sensor probe, wherein the first reflecting cover and the second reflecting cover are cones with downward openings and are connected through a heat insulation column, a first circular truncated cone ring piece is connected to the lower portion of the second reflecting cover through the heat insulation column, an annular flow guide pipeline is connected to the lower portion of the first ring piece, a second ring piece is connected to the lower portion of the annular flow guide pipeline, the first ring piece is a right circular truncated cone ring piece, the second ring piece is an inverted circular truncated cone ring piece, and the temperature sensor probe is arranged in the center of the annular flow guide pipeline.
Wherein the probe of the temperature sensor is connected to a third reflector through a heat insulation column penetrating through a second ring piece, the third reflector is in a round table shape, the diameter of the upper surface of the third reflector is 2-3 cm, the diameter of the lower surface of the third reflector is 10-12 cm, the height of the third reflector is 4-5 cm, the outer surfaces of the first reflector, the second reflector and the third reflector are coated with reflective materials, the inner surfaces of the first reflector, the second reflector and the third reflector are coated with black anti-reflection layers, the third reflector is fixed on a lower reflector through the heat insulation column, the diameter of the bottom surface of the first reflector is 9-10 cm, the height of the bottom surface of the first reflector is 1-1.5 cm, the diameter of the bottom surface of the second reflector is 7-8 cm, the height of the second reflector is 0.8-1 cm, the first reflector is fixed on the upper reflector through the heat insulation column, a ventilation circular flow guide pipeline is provided with a circular hole on the side, the diameter of the ventilation circular hole is 1-2 cm, the included, the height is 1-1.5 cm, the diameter of the top surface of the second ring piece is 10-12 cm, the diameter of the bottom surface of the second ring piece is 7-8 cm, the height of the second ring piece is 0.7-1 cm, the first reflecting cover and the second reflecting cover are aluminum or aluminum alloy products, the mechanical performance of the first reflecting cover and the second reflecting cover is good, the reflectivity is high, and the temperature of the first reflecting cover and the second reflecting cover is not easy to be too high due to solar radiation.
Has the advantages that: compared with the prior art, the invention has the advantages that: 1. the air circulation around the temperature sensor probe is good, the heat accumulation phenomenon is avoided, and meanwhile, the air flow sensed by the temperature sensor probe can be continuously updated, so that the measured temperature has good timeliness; 2. the temperature sensor probe is slightly influenced by solar radiation, can reflect solar radiation and ground reflected radiation, and reduces radiation errors; 3. stable structure, easy installation and maintenance.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the present invention;
fig. 4 is a schematic view of the upper structure of the present invention.
Detailed Description
Referring to fig. 1 and 2, the temperature sensing device for the meteorological station comprises a first reflecting shade 3, a second reflecting shade 4 and a temperature sensor probe 12, wherein the temperature sensor probe 12 is connected to a computer for reading, the first reflecting shade 3 and the second reflecting shade 4 are cones with downward openings and are connected through a heat insulation column 11, a first circular truncated cone ring piece 5 is connected below the second reflecting shade 4 through the heat insulation column 11, an annular diversion pipeline 7 is connected below the first circular truncated cone ring piece 5, a second circular truncated cone 6 is connected below the annular diversion pipeline 7, the first circular truncated cone ring piece 5 is a right circular truncated cone ring piece, the second circular truncated cone ring piece 6 is an inverted circular truncated cone ring piece, the diameter of the top surface of the first circular truncated cone ring piece 5 is 3cm, the diameter of the bottom surface is 9cm and the height is 1cm, the diameter of the top surface of the second circular truncated cone 6 is 10cm, the diameter of the bottom surface is 7cm and the height is 0.7cm, the temperature sensor probe 12 is connected to the circular truncated cone reflecting shade 10, the solar energy heat collecting device is characterized in that the solar energy heat collecting device is located in the center of an annular diversion pipeline 7, 6 ventilation circular holes 8 with the diameter of 1.4cm are formed in the side face of the annular diversion pipeline 7, the included angle between the diversion pipeline 7 and a second annular sheet 6 is 120 degrees, a first reflecting cover 3, a second reflecting cover 4 and a third reflecting cover 10 are aluminum alloy products, the outer surface of the first reflecting cover 3 and the outer surface of the second reflecting cover 10 are coated with aluminum-based reflecting materials, the inner surface of the first reflecting cover 3 and the inner surface of the second reflecting cover 4 are coated with black anti-reflection layers, the diameter of the bottom surface of the first reflecting cover 3 and the diameter of the bottom surface of the second reflecting cover 4 are 7cm and 0.8cm, the diameter of the upper surface of the third reflecting cover 10 is 2cm, the diameter of the lower surface.
When the temperature measuring device is used, the ventilation circular hole 8 can sense air flow in real time in any horizontal wind direction, the second annular sheet 6 and the third reflecting cover 10 form a ventilation opening which is gradually enlarged from inside to outside, the air flow inlet is large and can guide the circulation of horizontal low-angle air flow, the air flow sensed by the temperature sensor probe 12 is continuously updated, relatively good ventilation is achieved around the temperature sensor probe 12, the measured temperature has good timeliness, even if the solar radiation and heat conduction effect can increase the temperature of the inner walls of the first reflecting cover 3 and the second reflecting cover 4, the heating air flow in the first reflecting cover 3 and the second reflecting cover 4 can flow along the inner wall of the diversion pipeline 7, the heating air flow can not easily reach the position of the central temperature sensor probe 12, and the first annular sheet 5 and the second annular sheet 6 which are opposite in directions can reduce the low-angle direct solar radiation and the scattered radiation from the ground, The radiation is reflected, the influence of radiation heat pollution on a temperature sensor probe 12 at the central position is reduced, the radiation error is reduced, the reflecting materials on the outer surfaces of the first reflecting cover 3, the second reflecting cover 4 and the third reflecting cover 10 can reflect solar radiation and ground reflected radiation, so that the radiation error is reduced, the radiation temperature rise caused by direct radiation of the sun above can be effectively reduced by the upper reflecting plate 1, the reflected radiation from the underlying surface can be effectively reduced by the lower reflecting plate 2, the radiation error is reduced, meanwhile, the upper reflecting plate 1 and the lower reflecting plate 2 are respectively connected with the first reflecting cover 3 and the third reflecting cover 10 through 3 heat-insulating columns 11, the heat conduction between the upper reflecting plate 1 and the reflecting cover 2 is reduced, the stability of the equipment structure is enhanced, and simulation experiments prove that the radiation error of the temperature sensor can be reduced to 0.05 ℃ under the same environmental condition, and the radiation error of the temperature sensor based on the traditional louver box and the natural ventilation radiation-proof cover is up to 1 degree of C.
Claims (10)
1. The utility model provides a temperature sensing equipment for meteorological station, its characterized in that includes first reflector (3), second reflector (4) and temperature sensor probe (12), first reflector (3) and second reflector (4) are the downward circular cone of opening to link to each other through heat-insulating post (11), be connected with first round platform ring piece (5) through heat-insulating post (11) under second reflector (4), be connected with cyclic annular water conservancy diversion pipeline (7) under first ring piece (5), be connected with second ring piece (6) under cyclic annular water conservancy diversion pipeline (7), first ring piece (5) are just putting round platform ring piece, second ring piece (6) are the round platform ring piece of inversion, temperature sensor probe (12) set up at cyclic annular water conservancy diversion pipeline (7) central authorities.
2. The weather station temperature sensing apparatus of claim 1, wherein the temperature sensor probe (12) is attached to a third reflector (10) by a heat insulating post (11) passing through the second ring (6), the third reflector (10) being truncated cone-shaped.
3. The weather station temperature sensing apparatus as claimed in claim 2, wherein the reflector (10) has an upper surface with a diameter of 2-3 cm, a lower surface with a diameter of 10-12 cm and a height of 4-5 cm.
4. The weather station temperature sensing apparatus as claimed in claim 2, wherein the first reflector (3), the second reflector (4) and the third reflector (10) are coated with a reflective material on the outer surface and a black anti-reflection layer on the inner surface.
5. The weather station temperature sensing apparatus as claimed in claim 2, wherein the third reflector (10) is fixed to the lower reflector (2) by means of heat insulating pillars (11).
6. The weather station temperature sensing device as claimed in claim 1, wherein the first reflector (3) has a bottom diameter of 9-10 cm and a height of 1-1.5 cm, the second reflector (4) has a bottom diameter of 7-8 cm and a height of 0.8-1 cm, and the first reflector (3) is fixed on the upper reflector (1) through the heat insulation pillar (11).
7. The weather station temperature sensing device as claimed in claim 1, wherein the annular diversion duct (7) is provided with a circular ventilation hole (8) on a side surface, and the circular ventilation hole (8) has a diameter of 1-2 cm.
8. The weather station temperature sensing apparatus as claimed in claim 1, wherein the angle between the diversion duct (7) and the second ring plate (6) is 110 ° to 150 °.
9. The weather station temperature sensing device as claimed in claim 1, wherein the first ring (5) has a top diameter of 3-4 cm, a bottom diameter of 9-10 cm and a height of 1-1.5 cm, and the second ring (6) has a top diameter of 10-12 cm, a bottom diameter of 7-8 cm and a height of 0.7-1 cm.
10. The weather station temperature sensing apparatus of claim 1, wherein the first reflector (3) and the second reflector (4) are aluminum or aluminum alloy products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011385423.1A CN112362192A (en) | 2020-12-01 | 2020-12-01 | Temperature sensing equipment for meteorological station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011385423.1A CN112362192A (en) | 2020-12-01 | 2020-12-01 | Temperature sensing equipment for meteorological station |
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| Publication Number | Publication Date |
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| CN112362192A true CN112362192A (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011385423.1A Pending CN112362192A (en) | 2020-12-01 | 2020-12-01 | Temperature sensing equipment for meteorological station |
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| CN (1) | CN112362192A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113324675A (en) * | 2021-06-03 | 2021-08-31 | 南京信息工程大学 | Temperature measuring device for weather |
| CN113532697A (en) * | 2021-07-16 | 2021-10-22 | 南京信息工程大学 | Air temperature observation instrument |
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|---|---|---|---|---|
| CN203858050U (en) * | 2014-04-30 | 2014-10-01 | 西安工程大学 | Cone top type air temperature measuring device |
| CN109814177A (en) * | 2019-03-18 | 2019-05-28 | 国家海洋技术中心 | A kind of temperature and humidity measuring instrument |
| CN111174925A (en) * | 2020-01-06 | 2020-05-19 | 南京信息工程大学 | Ventilation device of temperature sensor for meteorological measurement |
| CN111290046A (en) * | 2020-03-06 | 2020-06-16 | 南京信息工程大学 | Temperature sensor with flow guide surface for meteorological measurement |
| CN111290047A (en) * | 2020-03-06 | 2020-06-16 | 南京信息工程大学 | Temperature sensor for observing earth surface air temperature |
| CN212008991U (en) * | 2020-03-06 | 2020-11-24 | 南京信息工程大学 | Arc-shaped radiation shield for meteorological measurement |
| CN212007555U (en) * | 2020-03-06 | 2020-11-24 | 南京信息工程大学 | Umbrella-shaped ring piece type natural ventilation radiation-proof cover |
-
2020
- 2020-12-01 CN CN202011385423.1A patent/CN112362192A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203858050U (en) * | 2014-04-30 | 2014-10-01 | 西安工程大学 | Cone top type air temperature measuring device |
| CN109814177A (en) * | 2019-03-18 | 2019-05-28 | 国家海洋技术中心 | A kind of temperature and humidity measuring instrument |
| CN111174925A (en) * | 2020-01-06 | 2020-05-19 | 南京信息工程大学 | Ventilation device of temperature sensor for meteorological measurement |
| CN111290046A (en) * | 2020-03-06 | 2020-06-16 | 南京信息工程大学 | Temperature sensor with flow guide surface for meteorological measurement |
| CN111290047A (en) * | 2020-03-06 | 2020-06-16 | 南京信息工程大学 | Temperature sensor for observing earth surface air temperature |
| CN212008991U (en) * | 2020-03-06 | 2020-11-24 | 南京信息工程大学 | Arc-shaped radiation shield for meteorological measurement |
| CN212007555U (en) * | 2020-03-06 | 2020-11-24 | 南京信息工程大学 | Umbrella-shaped ring piece type natural ventilation radiation-proof cover |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113324675A (en) * | 2021-06-03 | 2021-08-31 | 南京信息工程大学 | Temperature measuring device for weather |
| CN113532697A (en) * | 2021-07-16 | 2021-10-22 | 南京信息工程大学 | Air temperature observation instrument |
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Application publication date: 20210212 |
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