CN218630239U

CN218630239U - Anti-icing meteorological sensor device

Info

Publication number: CN218630239U
Application number: CN202222999879.8U
Authority: CN
Inventors: 郑轶群; 龚永新
Original assignee: Beijing Kunlun Coast Technology Co ltd
Current assignee: Beijing Kunlun Coast Technology Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-03-14
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses an anti-icing meteorological sensor device, place the central processing unit in the sensor body in including the sensor body, sensor body upper end is installed infrared icing and is detected the structure, and infrared icing detects the structure and places the two-core coaxial optic fibre in the rotation main shaft in including, and the bottom of two-core coaxial optic fibre is connected with infrared light source structure and photocell structure, and the upper end face of two-core coaxial optic fibre is installed with the icing pick-up plate with sensor body upper end face parallel and level, and photocell structure and infrared light source structure and central processing unit electric connection; the heater is installed in the outside of rotation main shaft, heater and central processing unit electric connection. The utility model discloses, infrared icing detection structure detects when icing the pick-up plate coats and is stamped ice, central processing unit control the heater start-up heating can the rapid heating main shaft rotate the position to avoid the frozen probability of sensor, improved meteorological sensor's life and performance greatly.

Description

Anti-icing meteorological sensor device

Technical Field

The utility model belongs to the technical field of meteorological sensor anti-icing, concretely relates to anti-icing meteorological sensor device.

Background

At present, in environmental monitoring, meteorological monitoring field, meteorological sensor has extensively installed and has used, for example wind speed photoelectric sensor, wind direction hall sensor etc. also have wind speed, wind direction sensor etc. and quantity is huge, because reasons such as weather are bad lead to meteorological sensor trouble comparatively common, leads to meteorological sensor to freeze and can't normally operate the owner with sleet weather mostly. A main shaft rotating cap of the weather sensor is easy to freeze in rainy and snowy weather, and the rotating part of a main shaft of the sensor cannot rotate, so that the monitoring of the sensor is invalid.

In order to prevent the sensor from icing, insulating cotton is wrapped at the joints between the wind cup and the bearing of the wind vane and between the wind direction and wind speed sensor and the wind rod to prevent icing, or antifreezing oil or antifreezing agent can be used to prevent the sensor from icing. In addition, some manufacturers add heating wires and the like to heat the bearing, so that the bearing is kept in a certain temperature range and is not easy to freeze. The mode has certain effect, and has some disadvantages, for example, the maintenance amount of the sensor is large, the expected effect cannot be achieved, and the influence of severe rain and snow weather on the meteorological sensor cannot be prevented.

Therefore, the conventional meteorological sensor has the technical problem that the meteorological sensor cannot normally operate due to icing easily in severe weather such as ice and snow.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming current electron junction box and having the dust that deposits easily, cause to detect malfunctioning, unstable problem.

Therefore, the technical scheme who adopts is, the utility model discloses an anti-icing meteorological sensor device, including the sensor body with place in the central processing unit in the sensor body, sensor body upper end is installed infrared icing and is detected the structure, infrared icing detects the structure and includes the two coaxial optic fibre of placing in the rotation main shaft in, the bottom of two coaxial optic fibre is connected with infrared light source structure and photocell structure, the up end of two coaxial optic fibre with the sensor body up end parallel and level installs icing detection board, photocell structure and infrared light source structure all with central processing unit electric connection;

and a heater is arranged on the outer side of the rotating main shaft and is electrically connected with the central processing unit.

Preferably, the middle parts of the two-core coaxial optical fibers are provided with main optical fibers in a penetrating manner to form a first optical waveguide, the periphery of the two-core coaxial optical fibers is uniformly distributed with a plurality of side optical fibers, and the side optical fibers form a second optical waveguide.

Preferably, a main shaft rotating cap is arranged on the periphery of the upper end of the rotating main shaft, the icing detection plate is embedded at the top end of the main shaft rotating cap, the lower end of the rotating main shaft is installed on a main shaft base, and the main shaft base is fixed at the lower end of the sensor body.

Preferably, the heater adopts a ceramic radiation heater, and the ceramic radiation heater is arranged between the main shaft rotating cap and the main shaft base and is attached to the inner wall of the main shaft rotating cap.

Preferably, the infrared light source structure comprises a light source mounting plate and an infrared light source fixed in the middle of the light source mounting plate, the infrared light source faces the main optical fiber, and infrared light is transmitted to the icing detection plate through the main optical fiber;

and through holes corresponding to the side optical fibers are uniformly formed in the periphery of the light source mounting plate.

Preferably, the photocell structure is buckled at the bottom of the two-core coaxial optical fiber, and the upper end of the photocell structure is communicated with the bottom surface of the side optical fiber.

Preferably, the icing detection plate is made of coated glass, and a metal reflection film is plated on the inner side surface of the icing detection plate.

Preferably, the upper part and the lower part of the rotating main shaft are both provided with a main shaft bearing matched with the rotating main shaft, and the main shaft bearing is fixedly arranged on the sensor body.

Preferably, the temperature sensor further comprises an environment temperature detection element arranged outside the sensor body, and the temperature detection element is electrically connected with the central processing unit.

Preferably, the sensor body comprises an upper half cylinder body and a lower half cylinder body which are mutually screwed and buckled, the icing detection plate is embedded in the upper end face of the upper half cylinder body, a support base is arranged at the bottom of the lower half cylinder body, and the diameter of the support base is larger than that of the lower half cylinder body.

The utility model discloses technical scheme has following advantage: the utility model discloses, through set up infrared detection that freezes on the sensor body, through infrared light source structure transmission infrared light, and pass through two-core coaxial fiber transmission to the freezing pick-up plate with the infrared light, it is structural to freeze the pick-up plate reflection certain light intensity and shine the photocell through two-core coaxial fiber outside optic fibre, whether the luminous intensity through freezing pick-up plate feedback judges that the freezing detection plate surface freezes, when judging there is the condition of freezing, central processing unit control heater heating, can the rapid heating main shaft rotate the position, in order to avoid the probability that the sensor freezes, meteorological sensor's life and performance have been improved greatly.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the upper half cylinder of the present invention.

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is a schematic structural view of the infrared icing detection configuration of FIG. 2;

FIG. 5 is a schematic diagram of an infrared icing detection configuration.

The drawings are numbered as follows: 1-sensor body, 101-upper half cylinder; 102-lower half cylinder; 103-a support base; 2-a main shaft base, 3-a main shaft rotating cap, 4-a rotating main shaft, 41-a main shaft bearing, 5-two-core coaxial optical fibers, 51-a main optical fiber, 52-a side optical fiber, 6-an icing detection plate, 7-a heater, 8-an infrared light source structure, 81-an infrared light source and 82-a light source mounting plate; 9-photovoltaic cell structure.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

In the description of the present application, it is to be understood that the terms "intermediate," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus should not be construed as limiting the present application. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In addition, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1-5, the utility model provides a pair of anti-icing meteorological sensor device, place the central processing unit in sensor body 1 in with including sensor body 1, sensor body 1 adopts the metal aluminium material to constitute, and is concrete, and sensor body 1 is including twisting first barrel 101 and the second barrel 102 of screw lock each other, and the bottom of second barrel 102 is equipped with the support base 103, and the diameter of supporting base 103 is greater than the diameter of second barrel 102, supports the stability that base 103 can promote meteorological sensor and place when certain position through setting up. The central processing unit 1 can initialize system parameters, and detect weather values by calculating wind speed values, wind direction values and the like through bottom software, so as to realize the basic functions of the weather sensor. The central processing unit is a commercially available product, preferably adopts a Qinchun CH548 chip, and can also adopt other chips, microcontrollers and the like which can realize the same functions, and the detection of the wind speed value and the wind direction value by the meteorological sensor belongs to the basic functions of the meteorological sensor, and the details are not repeated here.

The upper end of the sensor body 1 is provided with an infrared icing detection structure, the infrared icing detection structure is used for detecting whether the icing condition exists on the main shaft rotating part of the meteorological sensor, the infrared icing detection structure comprises two coaxial optical fibers 5 arranged in the rotating main shaft 4, the bottom of each coaxial optical fiber 5 is connected with an infrared light source structure 8 and a photocell structure 9, the upper end surface of each coaxial optical fiber 5 is flush with the upper end surface of the sensor body 1, the icing detection plate 6 is embedded in the upper end surface of the upper cylinder body 101, and the photocell structure 9 and the infrared light source structure 8 are both electrically connected with the central processing unit.

The heater 7 is installed in the outside of the rotating main shaft 4, the heater 7 is electrically connected with the central processing unit, and when the infrared icing detection structure detects that the icing detection plate 6 is covered with ice, the central processing unit controls the heater 7 to start heating.

The principle and the effect of the technical scheme are as follows: through set up infrared detection that freezes on sensor body 1, through infrared light source structure transmission infrared light, and transmit the infrared light to freezing detection board 6 through two coaxial optic fibre 5 cores, freezing detection board 6 reflects certain light intensity and shines the photocell structurally through two coaxial optic fibre outside optic fibre, the light intensity reflection of difference can give central processing unit to the magnitude of voltage of photocell output in real time, consequently can judge through the luminous intensity of freezing detection board 6 feedback whether freezing detection board surface freezes, when judging that there is the condition of freezing, central processing unit control heater heating, can the rapid heating main shaft rotation position, with the probability of avoiding the sensor to freeze, meteorological sensor's life and performance have been improved greatly.

Referring to fig. 3, a main optical fiber 51 penetrates through the middle of the two-core coaxial optical fibers 5, a first optical waveguide is formed by the main optical fiber 51, a plurality of side optical fibers 52 are uniformly distributed on the periphery of the two-core coaxial optical fibers 5, and a second optical waveguide is formed by the side optical fibers 52.

The periphery of the upper end of the rotating main shaft 4 is provided with a main shaft rotating cap 3, the icing detection plate 6 is embedded at the top end of the main shaft rotating cap 3 and can move along with the movement of the main shaft rotating cap 3, the lower end of the rotating main shaft 4 is arranged on the main shaft base 2, and the main shaft base 2 is fixed at the lower end of the sensor body 1. The upper part and the lower part of the rotating main shaft 4 are both provided with a main shaft bearing 41, the main shaft bearing 41 is fixedly arranged on the sensor body 1, and the rotating main shaft 4 can realize circumferential rotation through the support of the upper main shaft bearing 41 and the lower main shaft bearing 41.

Referring to fig. 3, the infrared light source structure 8 includes a light source mounting plate 82 and an infrared light source 81 fixed in the middle of the light source mounting plate 82, the infrared light source is 503IR7C-L5 in model, the infrared light source 81 faces the main optical fiber 51 and transmits infrared light to the ice detection plate 6 through the main optical fiber 51, the infrared light source 81 is controlled by the central processing unit to be switched on and switched off, when the central processing unit controls the infrared light source 81 to be switched on, the infrared light irradiates the bottom surface of the ice detection plate 6 along with the channel of the main optical fiber 51, and after being reflected by the ice detection plate 6, a part of the light is reflected back through the side optical fiber 52 and reflected onto the photocell structure 9, the photocell structure 9 adopts a photocell, the photocell adopts german osram in model, the photocell model is bpw21, the photocell structure 9 is buckled at the bottom of the two-core coaxial optical fibers 5, and the upper end of the photocell structure 9 is communicated with the bottom surface of the side optical fiber 52. Through holes corresponding to the side optical fibers 52 are uniformly formed in the periphery of the light source mounting plate 82, and the transmission of the reflected light is facilitated due to the arrangement of the through holes.

The utility model discloses in, the freezing pick-up plate 6 adopts the coated glass material, has plated metal reflection film on the medial surface of freezing pick-up plate 6. The icing detection plate 6 is used for icing detection and can sense the deicing effect, and referring to fig. 5 and 3, when no rainwater exists on the icing detection plate 6, infrared light directly transmits the surface of the icing detection plate 6, the reflected light intensity is very weak, at the moment, the photocell receives the light signal of the reflected light of the icing detection plate 6, the photocell outputs a certain voltage value which is less than 80mV, and the value is a blank value;

when rainwater falls on the upper surface of the icing detection plate, infrared light irradiates the inner side surface of the icing detection plate 6 to be partially reflected, the photocell receives an optical signal of light reflected by the icing detection plate 6 at the moment, the output voltage value of the photocell is 80 mV-720 mV, the reflection intensity of the rainwater or the rain and the snow is different, and the data is obtained according to multiple actual tests.

When the icing detection plate 6 begins to ice, the ice-water mixture is used in the initial stage, the infrared light penetrates through the icing detection plate 6 more and more difficultly along with the increase of the icing thickness, so that the reflected light intensity signal is enhanced, the light signal of the photocell receiving the light reflected by the icing detection plate 6 is enhanced, and the photocell output voltage corresponding to the ice surface thickness of 0.5 mm-5 mm is 720 mV-1800 mV according to a large number of experimental statistics. The voltage value output by the photocell can be transmitted to a central processing unit in real time,

in summary, it can be determined that the icing condition can be determined by the voltage value output by the photocell corresponding to the reflection intensity of the infrared light by the icing detection plate 6, and it can be understood that when the upper end surface of the icing detection plate 6 is in an icing-free condition, a rain covering condition and an icing covering gradually change, the intensity of light reflected back after the infrared light source 81 irradiates the inner side surface of the icing detection plate 6 is increasingly larger, and the voltage value output is also increasingly larger after the reflected light is absorbed by the photocell, so that whether the surface of the icing detection plate 6 is iced can be judged by the light intensity fed back by the icing detection plate 6, the icing thickness is proportional to the intensity of the light reflected by the icing detection plate 6, the icing thickness is obtained by calculation, the icing thickness detection range is 0.5mm to 5mm, and the normal use of the meteorological sensor is influenced when the icing thickness reaches 5mm, and deicing processing is required.

Preferably, the utility model provides a heater 9 adopts ceramic radiation heater, and ceramic radiation heater installs and rotates between cap 3 and main shaft base 2 at the main shaft, and rotates the inner wall laminating of cap 3 with the main shaft, and when meteorological sensor's main shaft rotating part exists the condition of freezing, central processing unit control ceramic radiation heater starts the heating, can make the main shaft rotate 3 bulk heating of cap during the heating of ceramic radiation heater, just so can prevent that the main shaft of sensor from rotating to freeze between cap 3 and the main shaft base 2.

Preferably, the utility model also comprises an environment temperature detecting element which is arranged outside the sensor body and is used for detecting the temperature value of the environment where the meteorological sensor is positioned, the icing detection is not needed when the environment temperature is not lower than 5 ℃, and the ceramic radiation heater does not heat; when the ambient temperature is lower than 5 ℃, the icing detection is started, if the meteorological sensor is detected to be iced, the central processing unit can control the ceramic radiation heater to heat the main shaft rotating cap 3 part in time; when no ice is detected, the ceramic radiant heater stops heating.

The technical scheme of the utility model, whether the icing monitoring surface in system automatic monitoring meteorological sensor top freezes, automatic control ceramic radiant heater prevents that sensor from rotating the cap deicing, reaches automated inspection, self-heating, prevents that the sensor from because of freezing purpose of unable normal work, can avoid meteorological sensor because of the influence of sleet weather to its normal work winter.

It should be noted that the above embodiments are preferred embodiments, and related functional components may be replaced by other components, and the related units and modules are not necessarily required in the present application. The embodiments in the present specification are all described in a progressive manner, and each embodiment focuses on differences from other embodiments, and portions that are the same and similar between the embodiments may be referred to each other.

The anti-icing meteorological sensor device provided by the application is described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the application, and the description of the embodiment is only used for helping to understand the method and the core idea of the application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. An anti-icing meteorological sensor device is characterized by comprising a sensor body and a central processing unit arranged in the sensor body, wherein an infrared icing detection structure is arranged at the upper end of the sensor body and comprises two coaxial optical fibers arranged in a rotating main shaft, the bottom of each coaxial optical fiber is connected with an infrared light source structure and a photocell structure, the upper end surfaces of the two coaxial optical fibers are flush with the upper end surface of the sensor body, and an icing detection plate is arranged on the upper end surfaces of the two coaxial optical fibers and is electrically connected with the central processing unit;

2. The icing-proof meteorological sensor device according to claim 1, wherein a main optical fiber is arranged in the middle of the two-core coaxial optical fibers in a penetrating mode to form a first optical waveguide, a plurality of side optical fibers are uniformly distributed on the periphery of the two-core coaxial optical fibers, and the side optical fibers form a second optical waveguide.

3. The anti-icing meteorological sensor device according to claim 1, wherein a spindle rotating cap is provided on an outer periphery of an upper end of the rotating spindle, the icing detection plate is fitted on a top end of the spindle rotating cap, a lower end of the rotating spindle is mounted on a spindle base, and the spindle base is fixed to a lower end of the sensor body.

4. The icing weather sensor assembly as claimed in claim 3, wherein the heater is a ceramic radiant heater mounted between the spindle rotation cap and the spindle base and engaging with an inner wall of the spindle rotation cap.

5. The icing weather sensor device as claimed in claim 2, wherein the infrared light source structure comprises a light source mounting plate and an infrared light source fixed to a middle portion of the light source mounting plate, the infrared light source facing the main optical fiber and transmitting infrared light to the icing detection plate through the main optical fiber;

6. The icing weather sensor assembly as claimed in claim 2, wherein the photocell structure is fastened to the bottom of the two-core coaxial optical fibers, and the upper end of the photocell structure is in communication with the bottom of the side optical fibers.

7. The anti-icing meteorological sensor apparatus defined in claim 1, wherein the icing detection plate is made of coated glass, and an inner side surface of the icing detection plate is coated with a metallic reflective film.

8. The icing weather sensor assembly of claim 3, wherein the rotating main shaft is provided with a main shaft bearing at an upper portion and a lower portion thereof, the main shaft bearing being matched with the rotating main shaft and fixedly mounted on the sensor body.

9. The icing weather sensor assembly of claim 4, further comprising an ambient temperature sensing element disposed outside the sensor body, the temperature sensing element being electrically connected to the central processor.

10. The anti-icing meteorological sensor device according to claim 1, wherein the sensor body comprises an upper half cylinder and a lower half cylinder which are screwed and fastened with each other, the icing detection plate is embedded in an upper end surface of the upper half cylinder, a support base is arranged at the bottom of the lower half cylinder, and the diameter of the support base is larger than that of the lower half cylinder.