CN210919331U

CN210919331U - Electromechanical control device for new energy

Info

Publication number: CN210919331U
Application number: CN201921954488.6U
Authority: CN
Inventors: 李敏
Original assignee: Zhengzhou Institute of Finance and Economics
Current assignee: Zhengzhou Institute of Finance and Economics
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-07-03
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses an electromechanical control device for new forms of energy, including the pylon, the pylon upside is connected with the yaw drive, yaw drive upside is connected with the casing, the casing left side is provided with a plurality of blades, the blade right side is connected with the blade axle, acceleration rate case, speed sensor, stopper and generator have been connected gradually from left to right on the blade axle, casing upper wall right side is provided with the sensor support, and the sensor support upside is installed with wind direction sensor, and wind direction sensor support right side is installed with wind speed sensor, and casing inboard lower wall middle part is provided with temperature sensor, casing lower wall left side is connected with the guide duct, and the guide duct lower extreme is connected with heat exchange device, and circulating fan and casing lower wall right side pass through the guide duct and connect, and circulating fan; the utility model has the advantages of simple structure, can maintain the stable temperature in the casing, and have overspeed protection.

Description

Electromechanical control device for new energy

Technical Field

The utility model belongs to the technical field of electromechanical control equipment, in particular to electromechanical control device for new forms of energy.

Background

The new energy is also called unconventional energy, which refers to various energy forms except traditional energy, and refers to energy which is just developed and utilized or is actively researched and is to be popularized, such as solar energy, wind energy, geothermal energy, ocean energy biomass energy, nuclear fusion energy and the like, wind energy is taken as rich, nearly endless, prevention distribution and clean energy, the development and utilization of the wind energy in various countries of the world are also paid more attention to, a wind driven generator is electric equipment which converts the wind energy into mechanical power, the mechanical power drives a rotor to rotate and finally outputs alternating current, the generator of the existing wind power generation device is easy to generate heat during working, the resistance in the generator is increased due to high temperature, the efficiency of the generator is reduced, meanwhile, gear lubricating oil in a speed increasing box is solidified during cold days, the lubricating efficiency is reduced, the mechanical energy converted from the wind energy is lost, and meanwhile, an overspeed protection brake is not arranged in the existing wind power generation device, this causes damage to the generator and even burnout of the motor due to excessive current when the blades rotate the shaft at an excessive speed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electromechanical controlling means for new forms of energy has simple structure, can maintain the inside temperature stability of casing, and has the advantage of overspeed protection.

In order to achieve the above object, the utility model provides a following technical scheme: an electromechanical control device for new energy comprises a tower frame, wherein a yaw driver is connected to the upper side of the tower frame, a casing is connected to the upper side of the yaw driver, a plurality of blades are arranged on the left side of the casing, blade shafts are connected to the right sides of the blades, a speed increasing box, a rotating speed sensor, a brake and a generator are sequentially connected to the blade shafts from left to right, a sensor support is arranged on the right side of the upper wall of the casing, a wind direction sensor is mounted on the upper side of the sensor support, a wind speed sensor is mounted on the right side of the wind direction sensor support, a temperature sensor is arranged in the middle of the lower wall of the inner side of the casing, a wind guide pipe is connected to the left side of the lower wall of the casing, a heat exchange device is connected to the lower end of the wind guide pipe, the right side of the four-way reversing valve is connected to the inlet end of the compressor through a condensing agent pipe, the condensing agent pipes are connected between the condenser and the four-way reversing valve, between the evaporator and the four-way reversing valve, between the condenser and the throttling element and between the evaporator and the throttling element, the air guide pipe is connected between the evaporator and the condenser, the air guide pipe is connected between the evaporator and the circulating fan, the circulating fan is connected with the right side of the lower wall of the shell through the air guide pipe, the controller is arranged on the right side of the circulating fan, and the yawing driver, the brake, the rotating speed sensor, the wind direction sensor, the wind speed sensor, the temperature sensor, the compressor and the four-way reversing valve are electrically connected.

Preferably, the number of the blades is three.

Preferably, the inner side of the casing and the outer part of the air guide pipe are provided with heat insulation layers.

Preferably, the speed increasing box, the rotating speed sensor, the brake and the lower side of the generator are all provided with a support frame.

Preferably, the restriction element is an expansion valve.

Preferably, the four-way reversing valve is an electromagnetic four-way reversing valve.

Preferably, the controller is a PLC controller.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a set up heat exchange device, temperature sensor and controller, can realize making the inside temperature of casing maintain stable within range, the temperature in the casing had both been avoided like this and had leaded to the gear lubricating oil stiffening of speed-increasing box inside to the low temperature, and influence its lubricated effect, mechanical energy has been consumed, the conversion utilization ratio of energy has been reduced, the generator internal resistance who leads to owing to the high temperature is avoided again simultaneously increasing, thereby the conversion efficiency of generator has been reduced, can avoid blade axle overspeed rotation through setting up stopper and speed sensor, avoid the electric current of generator too big in the twinkling of an eye, and burn out the generator, thereby form overspeed protection to the generator, can make the blade be in the windward state all the time through wind direction sensor and driftage driver, the maximum utilization to the wind energy has been guaranteed.

Drawings

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

Fig. 2 is a schematic structural diagram of the heat exchange device of the present invention.

In the figure: 1. the wind power generation system comprises a tower, 2, a yaw driver, 3, a casing, 4, blades, 5, a blade shaft, 6, a speed increasing box, 7, a rotating speed sensor, 8, a brake, 9, a generator, 10, a sensor support, 11, a wind direction sensor, 12, a wind speed sensor, 13, a temperature sensor, 14, a wind guide pipe, 15, a heat exchange device, 151, a condenser, 152, a compressor, 153, a four-way reversing valve, 154, an evaporator, 155, a throttling element, 156, a condensing agent pipe, 16, a circulating fan, 17 and a controller.

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.

Referring to fig. 1-2, the embodiment provides an electromechanical control device for new energy, including a tower frame 1, a yaw driver 2 is connected to an upper side of the tower frame 1, a casing 3 is connected to an upper side of the yaw driver 2, a plurality of blades 4 are arranged on a left side of the casing 3, a blade shaft 5 is connected to a right side of the blade 4, a speed increasing box 6, a rotation speed sensor 7, a brake 8 and a generator 9 are sequentially connected to the blade shaft 5 from left to right, a sensor support 10 is arranged on a right side of an upper wall of the casing 3, a wind direction sensor 11 is arranged on the upper side of the sensor support 10, a wind speed sensor 12 is arranged on a right side of the wind direction sensor 11, a temperature sensor 13 is arranged in a middle portion of a lower wall of the inner side of the casing 3, an air guide pipe 14 is connected, The four-way reversing valve 153 is connected to the outlet end of the compressor 152 through the condensing agent pipe 156, the right side of the four-way reversing valve 523 is connected to the inlet end of the compressor 152 through the condensing agent pipe 156, the condensing agent pipe 156 is connected between the condenser 151 and the four-way reversing valve 153, the condensing agent pipe 156 is connected between the evaporator 154 and the four-way reversing valve 153, the condensing agent pipe 156 is connected between the condenser 151 and the throttling element 155, the air guide pipe 14 is connected between the evaporator 154 and the condenser 151, the air guide pipe 14 is connected between the evaporator 154 and the circulating fan 16, the circulating fan 16 is connected with the right side of the lower wall of the machine shell 3 through the air guide pipe 14, the controller 17 is arranged on the right side of the circulating fan 16, and the yaw driver 2, the brake 8, the rotation speed sensor 7, the throttle sensor 11 and the wind direction sensor 14 are arranged on the right side of the, The wind speed sensor 12, the temperature sensor 13, the compressor 152 and the four-way reversing valve 153 are all electrically connected with the controller 17.

In order to facilitate capturing wind energy and thereby converting the wind energy into mechanical energy, in the present embodiment, it is preferable that the number of the blades 4 is three.

In order to improve the heat preservation effect inside the casing 3, in this embodiment, it is preferable that heat preservation layers are provided inside the casing 3 and outside the air guide duct 14.

In order to support the speed increasing box 6, the rotation speed sensor 7, the brake 8 and the generator 9 conveniently, in the embodiment, preferably, support frames are arranged on the lower sides of the speed increasing box 6, the rotation speed sensor 7, the brake 8 and the generator 9.

In order to automatically adjust the flow rate of the condensing agent in the condensing agent pipe 156, in the present embodiment, it is preferable that the throttling element 155 is an expansion valve.

In order to facilitate the control by the controller 17, in the present embodiment, the four-way reversing valve 153 is preferably an electromagnetic four-way reversing valve.

In order to realize automatic control, in this embodiment, preferably, the controller 17 is a PLC controller.

The utility model discloses a theory of operation: when wind exists, the blades rotate, the shafts of the blades 4 rotate along with the rotation, the speed increasing box 6 accelerates to rotate under the action of the speed increasing box 6, then mechanical energy is converted into electric energy through the generator 9, when the wind direction changes, the wind direction sensor 11 transmits a wind direction signal to the controller 17, the controller 17 controls the yaw drive 2 to rotate, so that the blades are always in a front windward state, the rotating speed sensor 7 transmits the rotating speed of the blade shafts 5 to the controller 17, meanwhile, the wind speed sensor 12 transmits the wind speed to the controller 17, when the wind power is too high, the value of the rotating speed sensor 7 exceeds a set threshold value, the controller 17 controls the brake 8 to brake, the generator 9 is prevented from running over speed, the generator 9 is protected, when the value of the wind speed sensor 12 falls within the set threshold value, the controller 17 controls the brake 8 to be opened, so that the power can continue to generate power, and when the temperature of the generator 9 is, the temperature inside the casing 3 will rise rapidly, at this moment, the temperature sensor 13 transmits the temperature inside the casing 3 to the controller 17, the working principle of the heat exchanging device 15 is the same as the principle of the air conditioner, when the temperature inside the casing 3 is too high, the circulating fan 16 draws away the air inside the casing 3, the hot air and the heat exchanging device 15 change into cold air after heat exchanging, and enter the casing from the air duct 14 on the left side, thereby reducing the temperature inside the casing 3, when the temperature inside the casing 3 is too low, the controller 17 controls the four-way reversing valve 153 to reverse, the cold air changes into hot air after the heat exchanging device 15, the controller 17 can automatically adjust the heat exchanging device 15 to refrigerate or heat according to the temperature measured by the temperature sensor 13, thereby keeping the temperature inside the casing 3 within the normal range.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electromechanical control device for new forms of energy, includes the pylon, its characterized in that: the wind power generation device is characterized in that a yaw driver is connected to the upper side of the tower frame, a casing is connected to the upper side of the yaw driver, a plurality of blades are arranged on the left side of the casing, blade shafts are connected to the right sides of the blades, a speed increasing box, a rotating speed sensor, a brake and a generator are sequentially connected to the blade shafts from left to right, a sensor support is arranged on the right side of the upper wall of the casing, a wind direction sensor is mounted on the upper side of the sensor support, a wind speed sensor is mounted on the right side of the wind direction sensor support, a temperature sensor is arranged in the middle of the lower wall of the inner side of the casing, a wind guide pipe is connected to the left side of the lower wall of the casing, a heat exchange device is connected to the lower end of the wind guide pipe and comprises a compressor, the condenser pipe is connected between the condenser and the four-way reversing valve, between the evaporator and the four-way reversing valve, between the condenser and the throttling element and between the evaporator and the throttling element, the air guide pipe is connected between the evaporator and the condenser, the air guide pipe is connected between the evaporator and the circulating fan, the circulating fan is connected with the right side of the lower wall of the shell through the air guide pipe, the controller is arranged on the right side of the circulating fan, and the yaw driver, the brake, the rotating speed sensor, the wind direction sensor, the wind speed sensor, the temperature sensor, the compressor and the four-way reversing valve are electrically connected with the controller.

2. The electromechanical control device for new energy according to claim 1, characterized in that: the number of the blades is three.

3. The electromechanical control device for new energy according to claim 1, characterized in that: and heat insulation layers are arranged on the inner side of the shell and the outer part of the air guide pipe.

4. The electromechanical control device for new energy according to claim 1, characterized in that: and supporting frames are arranged on the lower sides of the speed increasing box, the rotating speed sensor, the brake and the generator.

5. The electromechanical control device for new energy according to claim 1, characterized in that: the throttling element is an expansion valve.

6. The electromechanical control device for new energy according to claim 1, characterized in that: the four-way reversing valve is an electromagnetic four-way reversing valve.

7. The electromechanical control device for new energy according to claim 1, characterized in that: the controller is a PLC controller.