Anti-freezing rain device for anemometer tower

Abstract

An anemometer tower anti-freezing rain device comprises a first shell frame, a second shell frame, a rain cover, an electric heating film and a power supply control unit. The first shell frame and the second shell frame are symmetrical and the same in structure, and the first shell frame and the second shell frame are in threaded locking connection to form a device shell frame; a wind indicator shaft rod through hole and a wind cup shaft rod through hole are formed in the upper end and the lower end of the device shell frame respectively. The wind indicator and the wind speed cup are respectively coupled in the wind indicator shaft rod through hole and the wind cup shaft rod through hole; rainproof covers are arranged at the wind indicator shaft rod through hole and the wind cup shaft rod through hole. An upper heat insulation cavity, a battery cavity and a lower heat insulation cavity are formed in the device shell frame; electric heating films are arranged in the upper heat insulation cavity and the lower heat insulation cavity; the power supply control unit provides temperature and humidity monitoring and power supply support and is electrically connected with the wind direction sensor and the wind speed sensor. According to the device, the heating power of the electric heating film is adjusted according to the environment, the device shell frame is prevented from freezing, and normal operation of equipment is ensured; and manual intervention and potential safety hazards can be reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of meteorological observation equipment, and in particular relates to a freezing rain prevention device for a wind measuring tower. Background Art

[0002] As an important device for wind power generation and environmental meteorological monitoring, the stability and accuracy of wind towers are crucial for data collection and analysis. However, in cold and rainy seasons, wind towers are susceptible to freezing rain, which causes ice on the sensor surface, affects measurement accuracy, and even damages the equipment. Currently, there is a lack of a device on the market that can effectively prevent wind towers from being affected by freezing rain. Summary of the invention

[0003] The purpose of the present invention is to solve the above problems and to provide a device for preventing freezing rain from occurring on a wind tower.

[0004] A device for preventing freezing rain from occurring on a wind measuring tower comprises: a first shell frame, a second shell frame, a rain cover, an electric heating film, and a power supply control unit; the first shell frame and the second shell frame are symmetrically and identically structured, and the first shell frame and the second shell frame are threadedly locked and connected to form a device shell frame; a wind vane shaft rod through hole and a wind cup shaft rod through hole are respectively arranged at the upper and lower ends of the device shell frame; the wind vane and the wind speed cup are respectively axially connected in the wind vane shaft rod through hole and the wind cup shaft rod through hole; rain covers are arranged at the wind vane shaft rod through hole and the wind cup shaft rod through hole; an upper heat insulation cavity, a battery cavity and a lower heat insulation cavity are arranged in the device shell frame; electric heating films are arranged in the upper heat insulation cavity and the lower heat insulation cavity; the power supply control unit provides temperature and humidity monitoring and power supply support and is electrically connected to a wind direction sensor and a wind speed sensor.

[0005] The first shell frame and the second shell frame are both double-layer rotating bodies; the first shell frame and the second shell frame are both provided with a main shell body, a photovoltaic panel frame, and a bracket connecting part; the photovoltaic panel frame and the bracket connecting part are respectively arranged on both sides of the main shell body; the electric heating film is attached to the inner side of the shell body of the first shell frame and the second shell frame.

[0006] The device frame is also provided with an upper bearing fixing cavity, an upper sensor cavity, a lower sensor cavity and a lower bearing fixing cavity; an upper bearing is arranged in the upper bearing fixing cavity; a lower bearing is arranged in the lower bearing fixing cavity, and the lower bearing is fixed in the lower bearing fixing cavity.

[0007] The power supply control unit includes: a photovoltaic panel, a rechargeable battery, a humidity sensor, a temperature sensor, and a main control board; the photovoltaic panel is fixed on a photovoltaic panel frame; the rechargeable battery and the main control board are arranged in a battery cavity; the humidity sensor and the temperature sensor are arranged on the photovoltaic panel frame; the photovoltaic panel, the humidity sensor, the temperature sensor and the rechargeable battery are connected by a conductive cable.

[0008] A wind measuring device, a wind measuring sensor and a data transmission board are arranged in the device frame; a power extension port is also arranged on the main control board; the power extension port is electrically connected to the wind measuring sensor and the data transmission board through cables.

[0009] The wind measuring device comprises a wind vane and an anemometer cup; a wind vane shaft is arranged below the wind vane, and the wind vane shaft is connected to the wind vane shaft through hole through an upper bearing axis; a wind speed cup shaft is arranged above the anemometer cup, and the anemometer cup shaft is connected to the wind cup shaft through hole through a lower bearing axis.

[0010] The wind measuring sensor includes: a wind direction code disk, a wind direction photocoupler sensor, a wind speed code disk, and a wind speed photocoupler sensor; the wind direction photocoupler sensor is arranged in the upper sensor cavity; the wind speed photocoupler sensor is arranged in the lower sensor cavity; the wind direction code disk is fixed on the wind vane shaft, and the wind direction photocoupler sensor monitors the angular displacement value of the wind direction code disk; the wind speed code disk is fixed on the wind speed cup shaft, and the wind speed photocoupler sensor monitors the rotation speed value of the wind speed code disk.

[0011] The technical scheme provides a device for preventing freezing rain from a wind tower, which includes: a first shell frame, a second shell frame, a rain cover, an electric heating film, and a power supply control unit; the first shell frame and the second shell frame have the same symmetric structure, and the first shell frame and the second shell frame are threadedly locked to form a device shell frame; the upper and lower ends of the device shell frame are respectively provided with a wind vane shaft rod through hole and a wind cup shaft rod through hole; the wind vane and the wind speed cup are respectively axially connected in the wind vane shaft rod through hole and the wind cup shaft shaft rod through hole; the wind vane shaft rod through hole and the wind cup shaft shaft rod through hole are both provided with a rain cover; the device shell frame is provided with an upper insulation cavity, a battery cavity and a lower insulation cavity; the upper insulation cavity and the lower insulation cavity are both provided with an electric heating film; the power supply control unit provides temperature and humidity monitoring and power supply support and is electrically connected to the wind direction sensor and the wind speed sensor. The device adjusts the heating power of the electric heating film according to the environment to prevent the device shell frame from freezing and ensure the normal operation of the equipment; it can also reduce manual intervention and safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is an overall schematic diagram of a wind tower anti-freezing rain device;

[0013] Figure 2 This is a schematic diagram of the shell structure of a wind tower anti-freezing rain device;

[0014] Figure 3 This is a schematic diagram of the assembly of a device for preventing freezing rain from occurring on a wind tower;

[0015] Figure 4 This is a schematic diagram of the partial assembly of the upper part of the shell of a wind tower anti-freezing rain device;

[0016] Figure 5 This is a schematic diagram of the partial assembly below the shell of a wind tower anti-freezing rain device;

[0017] Figure 6 This is a schematic diagram of the application status of a wind tower anti-freezing rain device;

[0018] In the figure: 1, first shell frame, 11, first main shell, 111, first weather vane shaft through-hole flap, 112, first upper bearing fixed cavity flap, 113, first upper insulation cavity flap, 114, first upper sensor cavity flap, 115, first lower insulation cavity flap, 116, first lower sensor cavity flap, 117, first wind cup shaft shaft through-hole flap, 118, first lower bearing fixed cavity flap, 119, first battery cavity flap, 12, first photovoltaic panel frame, 121, environmental sensor fixing frame, 13, first bracket Connecting part, 14, upper bearing, 15, lower bearing, 2, second shell frame, 21, second main shell, 22, second photovoltaic panel frame, 23, second bracket connecting part, 3, rain cover, 31, upper shaft rain cover, 32, lower shaft rain cover, 4, electric heating film, 51, photovoltaic panel, 52, rechargeable battery, 55, main control board, 61, wind vane, 62, wind speed cup, 71, wind direction code disk, 72, wind direction optical coupling sensor, 73, wind speed code disk, 74, wind speed optical coupling sensor, 9, fixed frame. DETAILED DESCRIPTION

[0019] The following will further describe the technical solution clearly and completely in conjunction with the accompanying drawings of the technical solution. The described embodiments are only part of the technical solution, not all of the embodiments. Based on the technical solution, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figures 1 to 4 As shown, a device for preventing freezing rain from occurring in a wind tower comprises: a first shell frame 1, a second shell frame 2, a rain cover 3, an electric heating film 4, and a power supply control unit;

[0021] The first housing frame 1 comprises: a first main housing 11, a first photovoltaic panel frame 12, a first bracket connecting portion 13, an upper bearing 14, and a lower bearing 15; the first main housing 11 is a double-layer rotating body; the first photovoltaic panel frame 12 and the first bracket connecting portion 13 are respectively arranged on both sides of the first main housing 11;

[0022] The first main shell 11 is provided with a first weather vane shaft through-hole flap 111 on the upper part, and a first upper bearing fixing cavity flap 112 is provided on the first main shell 11 next to the first weather vane shaft through-hole flap 111; a first upper heat-insulating cavity flap 113 is provided on the upper part of the first main shell 11; the first upper heat-insulating cavity flap 113 is arranged between the two shell layers on the upper part of the first main shell 11; the first upper sensor cavity flap 114 is arranged on the upper part of the inner layer of the first main shell 11; the first lower heat-insulating cavity flap 115 is provided on the lower part of the first main shell 11, and the first lower heat-insulating cavity flap 115 is arranged between the two shell layers on the lower part of the first main shell 11; A lower sensor cavity flap 116 is arranged at the lower part of the inner shell of the first main shell 11; a first cup shaft shaft through hole flap 117 is arranged at the lower part of the first main shell 11; a first lower bearing fixing cavity flap 118 is arranged on the first main shell 11 next to the first cup shaft shaft through hole 117; a first battery cavity flap 119 is arranged at the middle part of the first main shell 11; the second shell frame 2 comprises: a second main shell 21, a second photovoltaic panel frame 22, and a second bracket connecting part 23; the second main shell 21 is a double-layer rotating body; the second photovoltaic panel frame 22 and the second bracket connecting part 23 are respectively arranged on both sides of the second main shell 21;

[0023] The first shell frame 1 and the second shell frame 2 are connected by threaded locking to form a device shell frame; the first weather vane shaft through hole petal 111 and the second weather vane shaft through hole petal form a weather vane shaft through hole; the first upper bearing fixing cavity petal 112 and the second upper bearing fixing cavity petal are connected to form an upper bearing fixing cavity; the first upper insulation cavity petal 113 and the second upper insulation cavity petal are connected to form an upper insulation cavity; the first upper sensor cavity petal 114 and the second upper sensor cavity petal are connected to form an upper sensor cavity; the first lower insulation cavity petal 115 and the second lower insulation cavity petal are connected to form a lower insulation cavity; the first lower sensor cavity petal 116 and the second lower sensor cavity petal are connected to form a lower sensor cavity; the first cup shaft shaft through hole petal 117 and the second cup shaft shaft through hole petal are connected to form a cup shaft shaft through hole; the first lower bearing fixing cavity petal 118 and the second lower bearing fixing cavity petal are connected to form a lower bearing fixing cavity; the first battery cavity petal 119 and the second battery cavity petal are connected to form a battery cavity.

[0024] The structures of the first frame 1 and the second frame 2 are symmetrical and identical; the first frame 1 and the second frame 2 are fixedly connected by bolts and nuts thread locking; the upper bearing 14 is fixed in the upper bearing fixing cavity; the lower bearing 15 is fixed in the lower bearing fixing cavity.

[0025] The front ends of the first photovoltaic panel frame 12 and the second photovoltaic panel frame 22 are both photovoltaic brackets with a 45-degree angle. An environmental sensor fixing frame 121 is disposed at the lower end of the first photovoltaic panel frame 12 .

[0026] The rain cover 3 comprises: an upper shaft rain cover 31 and a lower shaft rain cover 32; the upper shaft rain cover 31 and the lower shaft rain cover 32 are umbrella-shaped or disc-shaped, and both the upper shaft rain cover 31 and the lower shaft rain cover 32 are provided with shaft rod through holes; the upper shaft rain cover 31 is fixed to the upper part of the shaft rod through hole of the wind vane; the lower shaft rain cover 32 is fixed to the lower part of the shaft rod through hole of the wind cup shaft;

[0027] The electric heating film 4 is a flexible heating material made of a PET polyester film as a base material, and a heating element made of silver paste and conductive metal coated on conductive ink, and laminated with insulating materials;

[0028] At least one electric heating film 4 is provided in each of the upper insulation cavity and the lower insulation cavity;

[0029] The electric heating film 4 is attached to the inner side of the shell of the first shell frame 1 and the second shell frame 2 .

[0030] The power supply control unit includes: a photovoltaic panel 51, a rechargeable battery 52, a humidity sensor, a temperature sensor, and a main control board 55;

[0031] The photovoltaic panels 51 are provided with two pieces, and the two photovoltaic panels 51 are fixed on the first photovoltaic panel frame 12 and the second photovoltaic panel frame 22 respectively; the humidity sensor and the temperature sensor are fixed on the environmental sensor fixing frame 121; the rechargeable battery 52 and the main control board 55 are arranged in the battery cavity;

[0032] The photovoltaic panel 51, the rechargeable battery 52, the humidity sensor, the temperature sensor and the electric heating film 4 are electrically connected to the main control board 55 via conductive cables;

[0033] The charging control module in the main control board 55, the photovoltaic panel 51 charges the rechargeable battery 52 through the charging control module; the rechargeable battery 52 provides power support for the electric heating film 4;

[0034] The main control board 55 is also provided with a power extension port; the power extension port supplies power to the data transmission board, the wind vane sensor and the wind speed sensor.

[0035] See also Figures 1 to 6 As shown, a wind meter with anti-freezing rain characteristics includes: a wind tower anti-freezing rain device, a wind measuring device, a wind measuring sensor, a data transmission board, and a fixed frame 9;

[0036] The wind tower anti-freezing rain device is the wind tower anti-freezing rain device described in Example 1; the wind measuring device, the wind measuring sensor, and the data transmission board are arranged in the wind tower anti-freezing rain device; the bracket connecting part on the wind tower anti-freezing rain device is fixedly connected to the fixed frame 9.

[0037] The wind measuring device comprises: a wind vane 61 and an anemometer cup 62; a wind vane shaft 611 is provided below the wind vane 61, and the wind vane shaft 611 is axially connected to the wind vane shaft through hole through an upper bearing 14; a wind speed cup shaft 621 is provided above the anemometer cup 62; the anemometer cup shaft 621 is axially connected to the wind cup shaft through hole through a lower bearing 15;

[0038] The wind measuring sensor comprises: a wind direction code disc 71, a wind direction optical coupling sensor 72, a wind speed code disc 73, and a wind speed optical coupling sensor 74;

[0039] The wind direction optical coupling sensor 72 is a wind direction sensor; the wind speed optical coupling sensor 74 is a wind speed sensor; the wind direction optical coupling sensor 72 is arranged in the upper sensor cavity; the wind speed optical coupling sensor 74 is arranged in the lower sensor cavity; the wind direction code disk 71 is fixed on the wind vane shaft 611; the wind direction optical coupling sensor 72 monitors the angular displacement value of the wind direction code disk 71; the wind speed code disk 73 is fixed on the wind speed cup shaft 621, and the wind speed optical coupling sensor 74 monitors the rotation speed value of the wind speed code disk 73;

[0040] The wind measuring device, wind measuring sensor and data transmission board are powered by the main control board 55; the wind direction optical coupling sensor 72 and the wind speed optical coupling sensor 74 are electrically connected to the data transmission board through conductive cables; the data transmission board transmits the wind direction value measured by the wind direction optical coupling sensor 72 and the wind speed value monitored by the wind speed optical coupling sensor 74 to the remote terminal;

[0041] A connecting plate is provided on one side of the fixed frame 9, and a bent pipe frame is provided on the other side of the fixed frame 9. The end of the bent pipe frame is fixed in the bracket connecting part by bolt thread locking.

[0042] Working principle:

[0043] The anti-freezing rain device of the wind tower covers the anemometer equipment; the rain cover 3 can prevent precipitation from entering the device frame; the humidity sensor and the temperature sensor monitor the ambient temperature. When the ambient temperature is below zero degrees and the ambient humidity is greater than 90%, when the two conditions are met, the power supply control unit supplies power to the electric heating film 4 to heat the outer shell of the first frame 1 and the second frame 2 and the insulation layer in the middle to ensure that the temperature of the upper sensor cavity, the battery cavity and the lower sensor cavity is higher than 0 degrees; it effectively prevents freezing and prevents the wind tower from freezing in freezing rain weather, ensuring the accuracy of the measurement data and the normal operation of the equipment; it automatically adjusts the heating power of the electric heating film according to the ambient temperature and humidity to ensure the anti-freezing effect while reducing manual intervention and safety hazards.

Claims

1. A device for preventing freezing rain from a wind tower, comprising: A first shell frame (1), a second shell frame (2), a rain cover (3), an electric heating film (4), and a power supply control unit; the characteristics are as follows: the first shell frame (1) and the second shell frame (2) are symmetrically and identically structured, and the first shell frame (1) and the second shell frame (2) are threadedly locked and connected to form a device shell frame; the upper and lower ends of the device shell frame are respectively provided with a wind vane shaft rod through hole and a wind cup shaft rod through hole; the wind vane and the wind speed cup are respectively axially connected in the wind vane shaft rod through hole and the wind cup shaft rod through hole; a rain cover (3) is provided at the wind vane shaft rod through hole and the wind cup shaft rod through hole; an upper insulation cavity, a battery cavity and a lower insulation cavity are provided in the device shell frame; an electric heating film (4) is provided in the upper insulation cavity and the lower insulation cavity; the power supply control unit provides temperature and humidity monitoring and power supply support and is electrically connected to the wind direction sensor and the wind speed sensor.

2. The anti-freezing rain device for a wind tower according to claim 1 is characterized in that: The first shell frame (1) and the second shell frame (2) are both double-layered rotating bodies; the first shell frame (1) and the second shell frame (2) are both provided with a main shell body, a photovoltaic panel frame, and a bracket connecting portion; the photovoltaic panel frame and the bracket connecting portion are respectively arranged on both sides of the main shell body; and the electric heating film (4) is attached to the inner side of the shell body of the first shell frame (1) and the second shell frame (2).

3. The anti-freezing rain device for a wind tower according to claim 2 is characterized in that: The device housing is also provided with an upper bearing fixing cavity, an upper sensor cavity, a battery cavity, a lower sensor cavity, and a lower bearing fixing cavity; an upper bearing (14) is provided in the upper bearing fixing cavity; a lower bearing (15) is provided in the lower bearing fixing cavity, and the lower bearing (15) is fixed in the lower bearing fixing cavity.

4. The anti-freezing rain device for a wind tower according to claim 3 is characterized in that: The power supply control unit comprises: a photovoltaic panel (51), a rechargeable battery (52), a humidity sensor, a temperature sensor, and a main control board (55); the photovoltaic panel (51) is fixed on a photovoltaic panel frame; the rechargeable battery (52) and the main control board (55) are arranged in a battery cavity; the humidity sensor and the temperature sensor are arranged on the photovoltaic panel frame; the photovoltaic panel (51), the humidity sensor, the temperature sensor, and the rechargeable battery (52) are connected via a conductive cable.

5. The anti-freezing rain device for a wind tower according to claim 4 is characterized in that: A wind measuring device, a wind measuring sensor and a data transmission board are arranged in the device frame; a power extension port is also arranged on the main control board (55); the power extension port is electrically connected to the wind measuring sensor and the data transmission board through cables.

6. The anti-freezing rain device for a wind tower according to claim 5, characterized in that: The wind measuring device comprises a wind vane (61) and a wind speed cup (62); a wind vane shaft (611) is provided below the wind vane, and the wind vane shaft (611) is axially connected to the wind vane shaft through hole via an upper bearing (14); a wind speed cup shaft (621) is provided above the wind speed cup (62), and the wind speed cup shaft (621) is axially connected to the wind cup shaft through hole via a lower bearing (15).

7. The anti-freezing rain device for a wind tower according to claim 6 is characterized in that: The wind measuring sensor comprises: a wind direction code disc (71), a wind direction optical coupling sensor (72), a wind speed code disc (73), and a wind speed optical coupling sensor (74); the wind direction optical coupling sensor (72) is arranged in an upper sensor cavity; the wind speed optical coupling sensor (74) is arranged in a lower sensor cavity; the wind direction code disc (71) is fixed on a wind vane shaft (611), and the wind direction optical coupling sensor (72) monitors the angular displacement value of the wind direction code disc (71); the wind speed code disc (73) is fixed on a wind speed cup shaft (621), and the wind speed optical coupling sensor (74) monitors the rotation speed value of the wind speed code disc (73).

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