CN218037394U

CN218037394U - Multilayer water conservancy diversion lens hood

Info

Publication number: CN218037394U
Application number: CN202222170526.7U
Authority: CN
Inventors: 杨杰; 傅子睿; 葛祥建; 朱化难; 谭梦晴
Original assignee: Nanjing University of Information Science and Technology
Current assignee: Nanjing University of Information Science and Technology
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2022-12-13
Anticipated expiration: 2032-08-17

Abstract

The utility model discloses a multilayer flow guide lens hood, which comprises a first lens hood, wherein a first flow guide disc is arranged at the bottom of the first lens hood, a second flow guide disc is arranged at the top of the second lens hood, a heat insulation support rod is arranged at the top end of the second flow guide disc, a temperature probe body is arranged at the top end of the heat insulation support rod, a flow guide body is arranged at the bottom end of the first flow guide disc, a first flow guide section is fixedly connected at the top part of the first flow guide disc, and a second flow guide section is fixedly connected at the top part of the second flow guide disc; the utility model discloses utilize the design of first flow guide disc, second flow guide disc and baffle, concave through first flow guide disc center curved surface, second flow guide disc center curved surface epirelief, all directional temperature probe can effectively guide the air current to flow to temperature probe, and the baffle is the ring form, and outside curved surface is big, and inside curved surface is little, can further guide the air current to flow to temperature probe, improves accuracy and the real-time of temperature observation.

Description

Multilayer water conservancy diversion lens hood

Technical Field

The utility model relates to a meteorological instrument technical field, in particular to multilayer water conservancy diversion lens hood.

Background

The direct solar radiation, the radiation reflected by the underlying surface, the long wave radiation and other radiation can cause the temperature sensor for the weather to generate larger measurement errors, and the temperature sensor is usually arranged in a louver box or a radiation-proof cover in the current weather station, so that various radiation can be blocked to a certain degree.

However, the structure of the louver or the radiation shield is not good for air circulation, which reduces the measurement accuracy and response speed of the internal temperature sensor, and in order to reduce the measurement error, it is necessary to not only block various radiation from irradiating the temperature sensor, but also increase the air velocity around the temperature sensor to accelerate the diffusion of the radiant heat.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multilayer water conservancy diversion lens hood to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-layer light-guide shade comprises,

the bottom of the first shading disc is provided with a first flow guide disc;

the top of the second shading disc is provided with a second flow guide disc;

the temperature measuring device is characterized in that a heat insulation support rod is arranged at the top end of the second flow guide disc, a temperature measuring probe body is arranged at the top end of the heat insulation support rod, a flow guide body is arranged at the bottom end of the first flow guide disc, a first flow guide section is fixedly connected to the top of the first flow guide disc, and a second flow guide section is fixedly connected to the top of the second flow guide disc.

Preferably, a circular cavity is formed in the bottom of the first shading disc, and the top of the first flow guide disc is inserted into the circular cavity.

Preferably, circular grooves are formed in the top and the bottom of the flow guide body respectively, and the first flow guide section and the second flow guide section are arranged in the two circular grooves in an inserting mode respectively.

Preferably, a circular through groove is formed in the guide body, the bottom end of the heat insulation supporting rod is fixedly connected with the middle of the top end of the second guide section, and the bottom end of the temperature measuring probe body is fixedly connected with the top end of the heat insulation supporting rod.

Preferably, three first round holes are formed in the top end of the first flow guide disc, three second heat insulation fixing rods are fixedly connected to the outer wall of the flow guide body respectively, and the top ends of the second heat insulation fixing rods are fixedly connected with the bottom end of the first shading disc.

Preferably, three second round holes are formed in the top end of the second diversion disc, three first heat-insulation fixing rods are fixedly connected to the outer wall of the second shading disc respectively, and the top ends of the three first heat-insulation fixing rods are fixedly connected with the bottom end of the diversion body.

The utility model discloses a technological effect and advantage:

(1) The utility model discloses utilize the design of first flow guide disc, second flow guide disc and baffle, through concave, the second flow guide disc central curved surface epirelief of first flow guide disc central curved surface, all point to the temperature probe, can effectively guide the air current to flow to the temperature probe, the baffle is the ring form, and outside curved surface is big, and inside curved surface is little, can further guide the air current to flow to the temperature probe, improves the accuracy and the real-time of temperature observation;

(2) The utility model discloses utilize the design of first lens hood, second lens hood, first flow guide disc, second flow guide disc and water conservancy diversion ring, be protruding curved surface structure through first lens hood, can effectively block debris such as rain, snow, fallen leaves, and the material of whole water conservancy diversion lens hood is plastics, the material of wood etc. low heat transfer coefficient, can effectively reduce the influence of heat conduction to the temperature probe temperature measurement.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the front view structure of the present invention.

Fig. 3 is a schematic view of the front view section structure of the present invention.

In the figure: 1. a first shutter disk; 2. a second shutter disk; 3. a first flow guiding disc; 4. a second flow guiding disc; 5. a flow conductor; 6. a temperature probe body; 7. a heat insulation support rod; 8. a first heat-insulating fixing rod; 9. and the second heat insulation fixing rod.

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 multilayer diversion shade as shown in figures 1-3, which comprises,

the device comprises a first shading disc 1, wherein a first flow guide disc 3 is arranged at the bottom of the first shading disc 1;

the top of the second shading disc 2 is provided with a second flow guide disc 4;

the top of second guiding disk 4 is provided with thermal-insulated bracing piece 7, and the top of thermal-insulated bracing piece 7 is provided with temperature probe body 6, and the bottom of first guiding disk 3 is provided with baffle 5, and the first water conservancy diversion section of top fixedly connected with of first guiding disk 3, the second water conservancy diversion section of top fixedly connected with of second guiding disk 4.

The central curved surface of the first flow guide disc 3 is concave, the central curved surface of the second flow guide disc 4 is convex, and the first flow guide disc and the second flow guide disc are both directed to the temperature measuring probe body 6, so that the airflow can be effectively guided to flow to the temperature measuring probe body 6, the flow guide body 5 is in a circular ring shape, the external curved surface is large, the internal curved surface is small, the airflow can be further guided to flow to the temperature measuring probe body 6, and the accuracy and the real-time performance of temperature observation are improved.

Circular cavity has been seted up to the bottom of first window shade 1, and the top of first guiding disk 3 alternates to set up in circular cavity.

Circular recesses have been seted up respectively to the top and the bottom of baffle 5, and first water conservancy diversion section and second water conservancy diversion section alternate respectively and set up in two circular recesses, and circular logical groove has been seted up to the inside of baffle 5, the middle part fixed connection on the bottom of thermal-insulated bracing piece 7 and second water conservancy diversion section top, the bottom of temperature probe body 6 and the top fixed connection of thermal-insulated bracing piece 7.

The surfaces of the first shading disc 1 and the first flow guide disc 3 facing the sun, the surfaces of the second shading disc 2 and the second flow guide disc 4 facing the underlying surface and the outer surface of the flow guide body 5 are plated with high-reflection materials which can be silver, nickel, aluminum or other high-reflection materials and can effectively block direct radiation of the sun, the surfaces of the first shading disc 1 and the first flow guide disc 3 facing the underlying surface and the surfaces of the second shading disc 2 and the second flow guide disc 4 facing the sun are coated with high-absorption materials, the influence of various radiations entering the drainage device on secondary radiation caused by the temperature measuring probe body 6 can be effectively reduced, the materials of the whole shading disc, the flow guide disc and the flow guide body 5 are plastics, wood and other materials with low heat transfer coefficients, and the influence of heat conduction on temperature measurement of the temperature measuring probe body 6 can be effectively reduced.

Three first round hole has been seted up on the top of first guiding disk 3, the outer wall of baffle 5 is the three thermal-insulated dead lever 9 of three second of fixedly connected with respectively, three thermal-insulated dead lever 9 of three second runs through three first round hole respectively, the top of three thermal-insulated dead lever 9 of second all with the bottom fixed connection of first baffle-plate 1, three second round hole has been seted up on the top of second guiding disk 4, the outer wall of second baffle-plate 2 is the three first thermal-insulated dead lever 8 of fixedly connected with respectively, three first thermal-insulated dead lever 8 runs through three second round hole respectively, the top of three first thermal-insulated dead lever 8 all with the bottom fixed connection of baffle 5, the baffle-plate and the baffle-plate of device top and bottom are fixed with three thermal-insulated dead levers respectively, three first thermal-insulated dead lever 8 and three second thermal-insulated dead lever 9 are equilateral triangle setting at first guiding disk 3 outer wall and second baffle-plate 2 respectively, the stability of multiplicable whole light-shade structure.

The utility model discloses the theory of operation:

when the device is used by a user, the device needs to be installed firstly, the bottom end of the device is fixedly connected with a fixed object through the second shading disc 2, then, when the device passes through the first flow guide section of the first flow guide disc 3 and the circular groove of the flow guide body 5, the internal space is gradually reduced, so that the flow of internal air is accelerated, the internal pressure of the device is reduced, external air flows, the external air continuously enters the device along with the flow guide section, the flowing air is guided to flow to the temperature measuring probe body 6 under the action of the appearance of the first flow guide section and the circular groove, the measurement of the air is realized, the air measured by the temperature measuring probe body 6 can be discharged from the bottom of the flow guide body 5 under the action of the appearance of the second flow guide section of the second flow guide disc 4, the accelerated radiation generated by the gas flow is discharged out of the device, and the influence on the measurement of the temperature measuring probe body 6 is reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A multi-layer light-guide shade comprises,

the device comprises a first shading disc (1), wherein a first flow guide disc (3) is arranged at the bottom of the first shading disc (1);

the top of the second shading disc (2) is provided with a second flow guide disc (4);

the method is characterized in that: the top of second guiding disk (4) is provided with thermal-insulated bracing piece (7), the top of thermal-insulated bracing piece (7) is provided with temperature probe body (6), the bottom of first guiding disk (3) is provided with baffle (5), the first water conservancy diversion section of top fixedly connected with of first guiding disk (3), the top fixedly connected with second water conservancy diversion section of second guiding disk (4).

2. The multi-layer light-guide shade as claimed in claim 1, wherein a circular cavity is formed at the bottom of the first shade disc (1), and the top of the first shade disc (3) is inserted into the circular cavity.

3. The multilayer flow guide light shield as claimed in claim 1, wherein the flow guide body (5) has circular grooves formed at the top and bottom thereof, and the first flow guide section and the second flow guide section are respectively inserted into the two circular grooves.

4. The multi-layer flow guide light shield according to claim 1, wherein a circular through groove is formed in the flow guide body (5), the bottom end of the heat insulation support rod (7) is fixedly connected with the middle of the top end of the second flow guide section, and the bottom end of the temperature probe body (6) is fixedly connected with the top end of the heat insulation support rod (7).

5. The multi-layer light-guide shade as claimed in claim 1, wherein three first circular holes are formed at the top end of the first baffle disc (3), three second heat-insulating fixing rods (9) are fixedly connected to the outer wall of the baffle body (5), and the top ends of the three second heat-insulating fixing rods (9) are fixedly connected to the bottom end of the first light-guide disc (1).

6. The multi-layered light-guide shade as claimed in claim 1, wherein three second circular holes are formed at the top end of the second light-guide disc (4), three first heat-insulating fixing rods (8) are fixedly connected to the outer wall of the second light-guide disc (2), respectively, and the top ends of the three first heat-insulating fixing rods (8) are fixedly connected to the bottom end of the light-guide body (5).