CN112112131A - Wind-solar complementary hoisting hoist and energy supply method thereof - Google Patents

Abstract

The invention discloses a wind-solar complementary hoisting hoist, comprising a wind-solar complementary system and a hoisting hoist. The wind-solar complementary system includes a wind turbine, a solar photovoltaic panel and an intelligent control cabinet. The intelligent control The first power input end of the cabinet is respectively connected with the power output end of the wind turbine and the solar photovoltaic panel, and the first power output end of the intelligent control cabinet is connected with the power input end of the hoisting hoist; the present invention adopts The pollution-free renewable light and wind energy can solve the problem of power consumption of hoists in long-distance channel systems that have long plagued the water conservancy industry. A more suitable solution was found.

Description

Wind-solar complementary hoisting hoist and energy supply method thereof

technical field

The invention relates to the field of hydraulic engineering, in particular to a wind-solar complementary hoisting hoist and an energy supply method thereof.

Background technique

Wind energy and solar energy have natural complementarity, strong sunshine during the day, abundant solar energy, more wind at night, and sufficient wind energy. In summer and winter, wind energy and solar energy also have a good complementary effect. The complementary characteristics of wind energy and solar energy make it sustainable and stable. power supply.

Existing wind-solar complementary technologies are mainly used in road lighting, agriculture, animal husbandry, planting, aquaculture, tourism, advertising, service, ports, mountainous areas, forest areas, railways, petroleum, military frontier posts, communication relay stations, Highway and railway signal stations, geological exploration and field investigation stations and other areas with inconvenient electricity. The applications in these fields are dominated by micro-power station systems. Low power: 1000W, low voltage: 24V. There are relatively few application examples for higher power and voltage levels. Especially in the field of water conservancy, there are almost no cases of directly supplying power to the hoist system.

SUMMARY OF THE INVENTION

In view of the above problems, the present invention provides a wind-solar complementary hoisting hoist and an energy supply method thereof, which has the characteristics of using the wind-solar complementary system to provide electrical energy for the hoisting hoist; Power generation with wind energy can solve the problem of power consumption of power station hoists without electricity in the long-distance channel system that has long plagued the water conservancy industry.

The technical scheme of the present invention is:

In one aspect, the present invention provides a wind-solar hybrid hoisting hoist, including a wind-solar hybrid system and a hoisting hoist, wherein the wind-solar hybrid system includes a wind turbine, a solar photovoltaic panel and an intelligent control cabinet, so The first power input end of the intelligent control cabinet is respectively connected with the power output end of the wind turbine and the solar photovoltaic panel, and the first power output end of the intelligent control cabinet is connected with the power input end of the hoisting hoist.

The working principle of the above technical solution is as follows:

Wind turbines and solar photovoltaic panels convert the collected wind energy and solar energy into alternating current with constant frequency and constant voltage or frequency regulation and voltage regulation through inverters. Provide power.

The invention adopts the light and wind energy that can be regenerated without pollution for power generation, which can solve the problem of electricity consumption of the hoist of the power station without electricity in the long-distance channel system that has long plagued the water conservancy industry. A more suitable solution has been found for the power supply of the equipment.

In a further technical solution, the wind-solar hybrid system further includes a battery assembly, the second power input end of the intelligent control cabinet is connected to the power output end of the battery assembly, and the second power output end of the intelligent control cabinet is connected to a The power input terminal of the battery pack.

The battery components can be used to store the electrical energy converted by wind turbines and solar photovoltaic panels, and provide electrical energy for the hoist system in extreme environments with no wind and no light.

In a further technical solution, the hoisting hoist includes a frame on which a motor is provided, the power input end of the motor is connected to the power output end of the intelligent control cabinet, and the power source of the motor The output end is connected with a reel device, and the reel device is connected with a pulley block through a steel rope.

The motor directly drives the reel device to rotate through the reducer, avoiding complex gear transmission, and the transmission efficiency is higher.

In a further technical solution, the reeling device includes a plurality of hoisting drums wound with steel ropes, and the hoisting drums are respectively connected with the power output ends of the motors.

The motor drives the winch to rotate through the reducer and then retracts and unwinds the steel rope, so that the speed of the steel rope is stable during the unwinding and unwinding process.

In a further technical solution, the pulley block includes a movable pulley and a balance pulley connected to the frame.

The balance pulley is used to balance the elongation of the steel rope to adjust the strength and tension of the steel rope.

In a further technical solution, the frame is also provided with a cleaning device for cleaning the steel rope, the cleaning device is provided with a power supply device, and the cleaning device includes an outer cylinder and an inner cylinder rotatably connected to the outer cylinder, A brush is provided on the inner wall of the inner cylinder.

When the reel device wraps the steel rope and drives the movable pulley in the pulley block to move up and down, the steel rope will pass through the cleaning device when moving up and down, the outer drum and the inner drum are connected in rotation, the outer drum is fixed on the frame, and the inner drum rotates at a high speed after power supply. , drive the brush to clean the moving steel rope, and the cleaning device cleans the adsorbent on the surface of the steel rope.

On the other hand, the present invention also provides an energy supply method for wind-solar complementary hoisting hoists, wherein the intelligent control cabinet mobilizes the electric energy generated by wind power and photovoltaics to provide energy for the hoisting hoists.

The preferred installation site for the wind-solar hybrid system is an area where the average wind speed is above 2.5m/s, and the solar energy resources belong to Class III available areas, which are in line with the wind-solar resource conditions of the application site of the wind-solar system.

The beneficial effects of the present invention are:

1. The present invention uses light and wind energy that can be regenerated without pollution to generate electricity, which can solve the problem of power consumption of no-electric power station hoists in the long-distance channel system that has long plagued the water conservancy industry, and at the same time, it can be used for the occasions without power supply in the complex channel system. A more suitable solution has been found for the power supply of the closed equipment;

2. The battery components can be used to store the electrical energy converted by wind turbines and solar photovoltaic panels, and provide electrical energy for the hoist system in extreme environments with no wind and no light;

3. The motor directly drives the reel device to rotate through the reducer, avoiding complex gear transmission, and the transmission efficiency is higher;

4. The motor drives the hoisting drum to rotate through the reducer and then retracts and unwinds the steel rope, so that the speed of the steel rope is stable during the unwinding and unwinding process;

5. The balance pulley is used to balance the elongation of the steel rope to adjust the strength and tension of the steel rope;

6. Set up a cleaning device, which can well clean the adsorbents on the surface of the steel rope and reduce the resistance of the steel rope in the process of retracting and unwinding.

Description of drawings

Fig. 1 is the front view of the wind-solar complementary hoisting hoist according to the embodiment of the present invention;

2 is a side view of the wind-solar complementary hoisting hoist according to the embodiment of the present invention;

3 is a top view 1 of the wind-solar complementary hoisting hoist according to the embodiment of the present invention;

Fig. 4 is the top view 2 of the wind-solar complementary hoisting hoist according to the embodiment of the present invention;

5 is a schematic diagram of a wind-solar hybrid system according to an embodiment of the present invention;

6 is a schematic diagram of the winding of the steel rope on the pulley block according to the embodiment of the present invention.

Description of reference numbers:

10. Wind turbine; 11. Solar photovoltaic panel; 12. Intelligent control cabinet; 13. Inverter; 14. Battery assembly; 15. Monitoring device; 20. Hoisting hoist; 21. Rack; 22 , reducer; 23, winch; 24, balance pulley; 25, steel rope; 26, movable pulley; 27, height limit and indicating device; 28, brake; 29, brake wheel coupling; 30, cleaning device .

Detailed ways

The embodiments of the present invention will be further described below with reference to the accompanying drawings.

Example:

As shown in FIG. 5 , a wind-solar hybrid hoisting hoist includes a wind-solar hybrid system and a hoisting hoist. The wind-solar hybrid system includes a wind turbine 10 , a solar photovoltaic panel 11 and an intelligent control cabinet 12 , the first power input end of the intelligent control cabinet 12 is respectively connected with the power output end of the wind turbine 10 and the solar photovoltaic panel 11, and the first power output end of the intelligent control cabinet 12 is connected with the hoisting hoist 20 is connected to the power input terminal.

The working principle of the above technical solution is as follows:

The wind power generator 10 and the solar photovoltaic panel 11 convert the collected wind energy and solar energy into the alternating current of constant frequency and constant voltage or frequency regulation and voltage regulation through the inverter 13, and the intelligent control cabinet 12 allocates the converted alternating current for hoisting. The hoist 20 provides electrical energy.

In this embodiment, the power output terminals of the wind generator 10 and the solar photovoltaic panel 11 are connected to the power input terminal of the inverter 13, and the inverter 13 converts the electrical energy generated by the wind generator 10 and the solar photovoltaic panel 11 into The power output terminal of the inverter 13 is connected to the power input terminal of the intelligent control cabinet 12 for the alternating current of constant frequency and constant voltage or frequency modulation and voltage regulation.

In this embodiment, the wind-solar hybrid system further includes a monitoring device 15, and the monitoring device 15 is a camera, which facilitates remote monitoring of the wind-solar hybrid system.

In another embodiment, as shown in FIG. 5 , the wind-solar hybrid system further includes a battery assembly 14 , the second power input end of the intelligent control cabinet 12 is connected to the power output end of the battery assembly 14 , and the intelligent control The second power output terminal of the cabinet 12 is connected to the power input terminal of the battery assembly 14 .

In this embodiment, the battery assembly 14 can be used to store the electrical energy converted by the wind turbine 10 and the solar photovoltaic panel 11, and provide electrical energy for the hoist system in an extreme environment with no wind and no light.

In another embodiment, as shown in FIGS. 1-4 , the hoisting hoist includes a frame 21 , a motor is provided on the frame 21 , and the power input end of the motor is connected to the intelligent control cabinet The power output end of the motor is connected to the power output end of the motor, and a reel device is connected to the power output end of the motor.

In this embodiment, a reducer 22 is connected to the power output end of the motor, and a brake 28 is installed on the power input end of the reducer 22 to decelerate, stop or maintain the stopped state of the reel device; the number of reel devices is 2 These are installed on the left and right ends of the reducer 22 respectively.

In another embodiment, as shown in FIGS. 1-4 , the reel device includes a plurality of hoisting drums 23 wound with steel ropes 25 , and the hoisting drums 23 are respectively connected with the power output ends of the motors.

In this embodiment, the power output end of the motor is installed with a brake wheel coupling 29 through the reducer 22, and the brake wheel coupling 29 is connected with the hoisting drum 23 to reduce or stop the rotation speed of the transmission shaft. Vibration reduction, buffering and electrical insulation performance; the speed reducer 22 drives the hoisting drum 23 to rotate and then retracts and unwinds the steel rope 25, so that the speed of the steel rope 25 is stable during the unwinding and unwinding process.

In another embodiment, as shown in FIG. 1 , FIG. 2 , FIG. 3 , FIG. 4 , and FIG. 6 , the pulley block includes a movable pulley 26 and a balance pulley 24 connected to the frame 21 .

In this embodiment, the hoisting hoist 20 is also provided with a height limit and indicating device 27. When the movable pulley 26 runs to the lower limit position, it prevents further sliding, so that the steel rope 25 on the hoisting drum 23 is wound in a circle The number is always within a safe range, and when the movable pulley 26 runs to the upper limit position, the steel rope 25 is prevented from falling out of the pulley block.

In this embodiment, the movable pulley 26 and the balance pulley 24 are respectively provided with load-bearing devices to ensure the safety of the load-bearing range; the balance pulley 24 is used to balance the elongation of the steel rope to adjust the strength and tension of the steel rope.

In another embodiment, as shown in FIG. 5 , the intelligent control cabinet 12 mobilizes the electric energy generated by the wind turbine 10 and the solar photovoltaic panel 11 to provide energy for the hoisting hoist 20 .

In this embodiment, the preferred installation site of the wind-solar hybrid system is an area where the average wind speed is above 2.5m/s, and the solar energy resource belongs to the available area of Class III, which meets the wind-solar resource conditions of the application site of the wind-solar system.

In another embodiment, as shown in FIG. 2 , the frame 21 is further provided with a cleaning device for the steel wire 25 to pass through, the cleaning device is provided with a power supply device, and the cleaning device includes an outer cylinder and The inner cylinder is rotatably connected with the outer cylinder, and the inner wall of the inner cylinder is provided with brushes.

In this embodiment, when the reel device winds the steel rope 25 and drives the movable pulley 26 in the pulley block to move up and down, the steel rope 25 will pass through the cleaning device when moving up and down, the outer cylinder and the inner cylinder are rotatably connected, and the outer cylinder is fixed on the frame 21, the inner cylinder rotates at high speed after power supply, driving the brush to clean the moving steel rope 25, and the cleaning device cleans the adsorbent on the surface of the steel rope 25.

The above-mentioned embodiments only represent specific embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention.

Claims (7)

1. a wind-solar complementary hoisting hoist, characterized in that it comprises a wind-solar complementary system and a hoisting hoist, and the wind-solar complementary system comprises a wind turbine, a solar photovoltaic panel and an intelligent control cabinet, and the The first power input end of the intelligent control cabinet is respectively connected with the power output end of the wind turbine and the solar photovoltaic panel, and the first power output end of the intelligent control cabinet is connected with the power input end of the hoisting hoist. 2 . The wind-solar hybrid hoisting hoist according to claim 1 , wherein the wind-solar hybrid system further comprises a battery assembly, and the second power input end of the intelligent control cabinet is connected with a battery assembly. 3 . The power output end, the second power output end of the intelligent control cabinet is connected with the power input end of the battery assembly. 3. The wind-solar complementary hoisting hoist according to claim 1, wherein the hoisting hoist comprises a frame, and a motor is provided on the frame, and the power of the motor is The input end is connected with the power output end of the intelligent control cabinet, the power output end of the motor is connected with a reel device, and the reel device is connected with a pulley block through a steel rope. 4 . The wind-solar complementary hoisting hoist according to claim 3 , wherein the reel device comprises a plurality of hoisting drums wound with steel ropes, and the hoisting drums are respectively connected with the power output of the motor. 5 . end connection. 5 . The wind-solar complementary hoisting hoist according to claim 3 , wherein the pulley set comprises a movable pulley and a balance pulley connected to the frame. 6 . 6. The wind-solar complementary hoisting hoist according to claim 3, the frame is further provided with a cleaning device for cleaning the steel rope, the cleaning device comprises an outer cylinder and a rotatable connection with the outer cylinder. The inner cylinder is provided with brushes on the inner wall of the inner cylinder. 7. An energy supply method for wind-solar hybrid hoisting hoist according to any one of claims 1-6, characterized in that the electrical energy generated by the intelligent control cabinet mobilizing the wind turbine and the solar photovoltaic panel is a coil The lift gate provides energy.

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