CN218211657U - Multi-ventilation-hole flow guide device - Google Patents
Multi-ventilation-hole flow guide device Download PDFInfo
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- CN218211657U CN218211657U CN202222171993.1U CN202222171993U CN218211657U CN 218211657 U CN218211657 U CN 218211657U CN 202222171993 U CN202222171993 U CN 202222171993U CN 218211657 U CN218211657 U CN 218211657U
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Abstract
The utility model discloses a multi-ventilation-hole flow guiding device, which comprises a double-layer shading flow guiding frame, wherein the radiation reaching the surface of a temperature measuring sensor is as small as possible, and the air velocity around the temperature measuring sensor in a radiation shield is as large as possible; the double-layer shading and flow guiding frame comprises a first double-layer shading plate, a second double-layer shading plate, a flow guiding body and a vent hole; the temperature measuring sensor body is arranged inside the double-layer shading flow guide frame; the temperature measuring sensor body is arranged on the axis of the flow guide body, and the temperature measuring part of the temperature measuring sensor body is positioned at the intersection of the axial leads of the plurality of vent holes. The utility model provides a guiding device in many ventilation holes, includes first double-deck light screen and the double-deck light screen of second from top to bottom, and the baffle is the curved surface structure, and first double-deck light screen can block the solar radiation of low angle in morning and evening, and relatively higher air speed makes the radiation error of temperature sensor probe relatively lower in the device simultaneously to can be more accurate, real-time measurement true environment temperature.
Description
Technical Field
The utility model relates to a meteorological instrument field, in particular to many ventilation holes guiding device.
Background
Direct solar radiation, reflected radiation, scattered radiation, etc. can make the observed value of the temperature sensor for meteorology higher than the air temperature of the surrounding environment, resulting in radiation error. At present, various radiation direct irradiation temperature sensors can be avoided by the shutter box or the radiation shield for meteorology, but radiation is difficult to reflect completely by the shutter box or the radiation shield, so that to a certain extent, the traditional shutter box or the radiation shield, especially blades and ring pieces thereof, still can generate remarkable radiation temperature rise, air flow flowing into the traditional shutter box or the radiation shield is heated, and the observation result of the internal temperature sensor is higher than the temperature of external free air. In addition, the blades and the ring plate are not good for air circulation, and the radiation error is further increased due to the low air flow speed inside the louver box or the radiation shield. A good radiation shield should not only minimize the radiation reaching the surface of the temperature sensor, but also maximize the air velocity around the temperature sensor inside the shield. Various radiation can effectively be blockked to shutter box and radiation shield, helps satisfying first kind of requirement, but is unfavorable for the circulation of air, is difficult to satisfy the second kind of requirement. There is a contradiction between the two design requirements, which inhibits the improvement of the radiation shield performance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lead to wind hole guiding device more to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: a multi-vent deflector device, comprising:
the double-layer shading flow guide frame is used for enabling radiation reaching the surface of the temperature measuring sensor to be as small as possible and enabling air flow velocity around the temperature measuring sensor in the radiation shield to be as large as possible;
the double-layer shading and flow guiding frame comprises a first double-layer shading plate, a second double-layer shading plate, a flow guiding body and a vent hole;
the temperature measurement sensor body is arranged inside the double-layer shading flow guide frame;
the temperature measuring sensor body is arranged on the axis of the flow guide body, and the temperature measuring part of the temperature measuring sensor body is positioned at the intersection of the axial leads of the plurality of vent holes.
Preferably, the surface of the first double-layer shading plate facing the sun is provided with a layer of aluminum film or silver film, and the bottom end of the first double-layer shading plate is provided with a layer of black coating with high absorptivity.
Preferably, the surface of the second double-layer shading plate facing the sun is provided with a high-absorptivity black coating, and the bottom end of the second double-layer shading plate is provided with an aluminum film or a silver film.
Preferably, the first double-layer shading plate is designed in a conical shape, and the side wall of the first double-layer shading plate is inclined.
Preferably, the end of the first double-layer shading plate opposite to the flow guiding body and the end of the flow guiding body opposite to the second double-layer shading plate are respectively and fixedly connected with a plurality of heat insulation fixing rods.
Preferably, the baffle is designed to be curved, and a plurality of ventilation holes are designed and are all formed in the surface of the baffle.
The utility model discloses a technological effect and advantage:
(1) A kind of guiding device of the multi-ventilation hole, including upper and lower first double-deck light screen and second double-deck light screen, the deflector, take the curved surface structure, can guide the airstream to enter the air vent, make the inner and outer air velocity basically unanimous, the first double-deck light screen can stop the low-angle solar radiation of morning and evening, the centre of a circle position that the air vent forms places a temperature pick-up probe, have good ventilation in arbitrary wind direction, upgrade the airstream in the apparatus continuously, make the result measured by the inner temperature pick-up probe have good response speed, relatively higher air velocity make the radiation error of the inner temperature pick-up probe of the apparatus relatively lower at the same time, thus can measure the true ambient temperature more accurately, in real time;
(2) Be provided with first double-deck light screen above the device, can prevent effectively that the sun from directly shining the radiation protection cover, reduce the radiation error, simultaneously, can effectively block early evening low angle sunlight and penetrate into air pipe, can also effectively avoid sediment such as rainwater, snow, leaf, dust to get into air pipe, is provided with the double-deck light screen of second in the device bottom, can prevent to come from the reflected radiation of underlay surface, alleviates temperature sensor's secondary radiation pollution problem.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an elevation view of the whole structure of the present invention.
Fig. 3 is a top view of the internal structure of the flow guiding body of the present invention.
Fig. 4 is a top view of the whole structure of the present invention.
In the figure: 1. a first double-layer visor; 2. a second double-layered light shielding plate; 3. a flow conductor; 4. a vent hole; 5. a temperature measuring sensor body; 6. and (4) insulating fixing rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a many ventholes guiding device as shown in figures 1-4, include:
the double-layer shading flow guide frame is used for enabling radiation reaching the surface of the temperature measuring sensor to be as small as possible and enabling air flow velocity around the temperature measuring sensor in the radiation shield to be as large as possible;
the double-layer shading and flow guiding frame comprises a first double-layer shading plate 1, a second double-layer shading plate 2, a flow guiding body 3 and a ventilation hole 4;
the radiation error can be reduced by effectively preventing the direct irradiation of the sun on the radiation-proof cover through the first double-layer light-shading plate 1, meanwhile, the sunlight with low angle in the morning and evening can be effectively prevented from being irradiated into the ventilation pipeline, the sediment such as rainwater, snow, leaves, dust and the like can be effectively prevented from entering the ventilation pipeline, the second double-layer light-shading plate 2 is arranged at the bottom of the device, the reflection radiation from the underlying surface can be prevented, and the secondary radiation pollution problem of the temperature sensor can be relieved;
through the design of an upper first double-layer light screen 1 and a lower second double-layer light screen 2, a flow guide body 3 is of a curved surface structure and can guide airflow to enter a vent hole 4, so that the speed of the airflow inside and outside is basically consistent, the first double-layer light screen 1 can block solar radiation at a low angle in the morning and evening, a probe of a temperature measuring sensor body 5 is placed at the circle center position formed by the vent hole 4, good ventilation is realized downwards at any wind direction, the airflow in the device is continuously updated, the result measured by the probe of the internal temperature measuring sensor body 5 has good response speed, the radiation error of the probe of the temperature measuring sensor body 5 in the device is relatively low due to relatively high airflow speed, and the real-time real-environment temperature can be accurately measured;
the first double-layer shading plate 1 is designed in a conical shape, the side wall of the first double-layer shading plate is inclined, and the first double-layer shading plate is used for preventing solar radiation from directly entering the flow guide device in the morning and evening at a low angle and preventing rainwater, accumulated snow, leaves, dust and other sediments from entering the device;
the surface of the first double-layer shading plate 1 facing the sun is provided with a layer of aluminum film or silver film to improve the reflectivity, and the bottom end of the first double-layer shading plate 1 is provided with a layer of black coating with high absorptivity to reduce the influence of secondary reflection on the internal temperature measurement sensor body 5;
the surface of the second double-layer shading plate 2 facing the sun is provided with a high-absorptivity black coating to reduce the influence of secondary radiation on the internal temperature-measuring sensor body 5, and the bottom end of the second double-layer shading plate 2 is provided with an aluminum film or a silver film to improve the reflectivity;
a plurality of heat insulation fixing rods 6 are respectively and fixedly connected with one end of the first double-layer shading plate 1 opposite to the flow guide body 3 and one end of the flow guide body 3 opposite to the second double-layer shading plate 2, and the heat insulation fixing rods 6 are made of plastic or wood materials with low heat transfer coefficients;
the flow guide body 3 is designed in a curved surface shape, a plurality of vent holes 4 are designed, the vent holes 4 are all formed in the surface of the flow guide body 3, in order to increase the ventilation effect, the flow guide body 3 is in a curved surface structure, at least 3 vent holes 4 are formed in the periphery of the flow guide body 3, and the temperature measurement sensor body 5 is arranged in the position of the circle center formed by the vent holes 4;
the temperature measurement sensor body 5 is arranged inside the double-layer shading flow guide frame; the temperature measuring sensor body 5 is arranged on the axis of the flow guiding body 3, and the temperature measuring part of the temperature measuring sensor body 5 is positioned at the intersection of the axial leads of the plurality of vent holes 4.
The utility model discloses the theory of operation:
when the multi-ventilation-hole flow guiding device is used, direct irradiation of the sun to the radiation-proof cover can be effectively prevented through the first double-layer light shielding plate 1, radiation errors are reduced, meanwhile, low-angle sunlight in the morning and evening can be effectively prevented from being irradiated into the ventilation pipeline, and sediment such as rainwater, snow, leaves and dust can be effectively prevented from entering the ventilation pipeline, the second double-layer light shielding plate 2 is arranged at the bottom of the device, so that reflection radiation from an underlying surface can be prevented, and the problem of secondary radiation pollution of a temperature sensor is relieved; the flow guide body 3 is of a curved surface structure and can guide airflow to enter the vent hole 4, so that the speed of the internal airflow and the external airflow is basically consistent, the first double-layer light shielding plate 1 can block solar radiation at low angles in the morning and evening, a probe of the temperature measurement sensor body 5 is placed at the circle center position formed by the vent hole 4, good ventilation is realized in any wind direction, the airflow in the device is continuously updated, the result measured by the probe of the internal temperature measurement sensor body 5 has good response speed, the radiation error of the probe of the temperature measurement sensor body 5 in the device is relatively low at the same time of relatively high airflow speed, and the real environment temperature can be accurately measured in real time.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or replace some technical features of the embodiments with equivalents, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (6)
1. A multi-vent deflector device, comprising:
the double-layer shading flow guide frame is used for enabling the radiation reaching the surface of the temperature measuring sensor to be as small as possible and enabling the air flow speed around the temperature measuring sensor in the radiation shield to be as large as possible;
the double-layer shading and flow guiding frame comprises a first double-layer shading plate (1), a second double-layer shading plate (2), a flow guiding body (3) and a ventilation hole (4);
the temperature measurement sensor body (5) is arranged inside the double-layer shading flow guide frame;
the temperature measuring sensor is characterized in that the temperature measuring sensor body (5) is arranged on the axis of the flow guide body (3), and the temperature measuring part of the temperature measuring sensor body (5) is positioned at the intersection of the axial leads of the plurality of vent holes (4).
2. The multi-ventilation-hole flow guiding device as claimed in claim 1, wherein the surface of the first double-layer shading plate (1) facing the sun is provided with a layer of aluminum film or silver film, and the bottom end of the first double-layer shading plate (1) is provided with a layer of black coating with high absorptivity.
3. The multi-vent guiding device of claim 1, wherein the surface of the second double-layer light shielding plate (2) facing the sun is provided with a black coating with high absorptivity, and the bottom end of the second double-layer light shielding plate (2) is provided with an aluminum film or a silver film.
4. A multi-ventilation-hole guiding device as claimed in claim 1, wherein the first double-layer shading plate (1) is of a conical design, and the side wall is inclined.
5. The multi-vent guiding device of claim 1, wherein a plurality of heat insulation fixing rods (6) are respectively and fixedly connected to one end of the first double-layer light shielding plate (1) opposite to the guiding body (3) and one end of the guiding body (3) opposite to the second double-layer light shielding plate (2).
6. The multi-vent guiding device of claim 1, wherein the guiding body (3) is designed in a curved shape, a plurality of vent holes (4) are designed, and the plurality of vent holes (4) are all arranged on the surface of the guiding body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222171993.1U CN218211657U (en) | 2022-08-17 | 2022-08-17 | Multi-ventilation-hole flow guide device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222171993.1U CN218211657U (en) | 2022-08-17 | 2022-08-17 | Multi-ventilation-hole flow guide device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218211657U true CN218211657U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222171993.1U Active CN218211657U (en) | 2022-08-17 | 2022-08-17 | Multi-ventilation-hole flow guide device |
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| Country | Link |
|---|---|
| CN (1) | CN218211657U (en) |
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2022
- 2022-08-17 CN CN202222171993.1U patent/CN218211657U/en active Active
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