CN211859911U - Accelerating power generation device - Google Patents

Accelerating power generation device Download PDF

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Publication number
CN211859911U
CN211859911U CN202020679459.XU CN202020679459U CN211859911U CN 211859911 U CN211859911 U CN 211859911U CN 202020679459 U CN202020679459 U CN 202020679459U CN 211859911 U CN211859911 U CN 211859911U
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transmission shaft
flywheel
clutch
generator
power motor
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黄明实
莫增吉
覃瑞长
廖文锐
黄立产
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Abstract

The utility model discloses an accelerating power generation device, including supporting the base and installing motor power, generator and the bearing frame on supporting the base be provided with the transmission shaft that the multistage is coaxial setting between motor power's the output shaft and the input shaft of generator, install through a plurality of bearing frame between this every section transmission shaft support on the base, motor power is connected through the head end transmission of first shaft coupling and transmission shaft, and the generator carries out the transmission through second shaft coupling and transmission shaft and is connected, installs multistage and the diameter is by the flywheel of little grow gradually on the transmission shaft between motor power to the generator in proper order, is provided with the clutch on the transmission shaft of the input rotor one side of each grade flywheel. The utility model discloses can promote motor power's rotational speed fast, can make motor power start faster under the underloading situation, effectively improve the effect of speeding, reduce the impact that motor power received, improve motor power's life.

Description

Accelerating power generation device
Technical Field
The utility model belongs to the technical field of the generator, especially, relate to an accelerating power generation device.
Background
The power generator is generally a system composed of a starting motor, a generator and other auxiliary parts, and is generally called as a generator set. The general generating set consists of a power unit (mostly a three-phase motor, a diesel engine or a gasoline engine), a generating set and a power distribution control device, wherein the power unit is operated to generate power to drag a generator to generate electricity, and when the power unit and the generating set of the power generating set are successfully started, the power unit stably and continuously starts the generating set to work so as to continuously supply electric energy to the outside; because the power unit and the generator unit are started simultaneously, the generator unit is started slowly due to large mass inertia of the generator unit, and torque is overlarge in the starting and speed-up processes of the generator unit, so that the power configuration of the power unit required to be started is high, the problem that the starting is difficult or even impossible is often caused, after the generator unit is started, the speed-up process is slow, the limit of the power unit on the driving force when the generator unit is started is large, the speed-up effect cannot be achieved even if larger force is increased, the power unit can be seriously damaged even, and the service life of the power unit is seriously damaged due to impact.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an accelerating electricity generation device, the utility model discloses can promote motor power's rotational speed fast, can make motor power start faster under the underloading situation, effectively improve the effect of speeding, reduced the impact that motor power received, improved motor power's life. In order to realize the purpose, the utility model adopts the following technical effects:
according to an aspect of the utility model, a power generation facility with higher speed is provided, including supporting the base and installing motor power, generator and the bearing frame on supporting the base be provided with the transmission shaft that the multistage is coaxial setting between motor power's output shaft and the input shaft of generator, install through a plurality of bearing frame between this every section transmission shaft support on the base, motor power's output shaft is connected through the head end transmission of first shaft coupling with the transmission shaft, the input shaft of generator through the second shaft coupling with the tail end of transmission shaft carries out the transmission and connects, follows install multistage and diameter by little flywheel that grows gradually on the transmission shaft between motor power to the generator in proper order, be provided with the clutch on the transmission shaft of the input rotor one side of every grade flywheel, bearing frame, flywheel, clutch, bearing frame, The first coupler and the second coupler are coaxially arranged on the transmission shaft.
Preferably, one side of the input rotor and one side of the output rotor of each stage of flywheel are respectively in transmission connection with the transmission shaft through the bearing seat, and the clutch is installed between the input rotor and the bearing seat of the flywheel.
According to the scheme, the electric cabinet is preferably arranged on the supporting base close to one side of the power motor, the rotating speed sensor is further arranged on the rotor of the power motor, the electric cabinet is electrically connected with the clutch and the rotating speed sensor, and the variable frequency controller is further arranged between the electric cabinet and the power motor.
In a further preferred embodiment of the above-mentioned scheme, a start control circuit is further disposed between the electric cabinet and the clutch, the start control circuit includes an isolating switch, an isolating drive circuit and a start switch, and the control output end of the electric cabinet is connected to the engagement control end sequentially through the isolating switch, the isolating drive circuit and the start switch.
In a further preferred aspect of the foregoing, the clutch is an electromagnetic clutch.
In a further preferable mode of the above scheme, the clutch is mounted on the transmission shaft on one side of the bearing seat and on one side close to the first coupler.
In a further preferable mode of the scheme, the flywheel comprises three small flywheels, a middle flywheel and a large flywheel, wherein the diameters of the small flywheel and the large flywheel are different, the diameter of the small flywheel is 1000mm-1800mm, and the diameter of the large flywheel is 5000mm-6000 mm.
Utility model adopts the above technical scheme, utility model has following technological effect:
the utility model connects the clutch and the flywheel with gradually increased diameter through the transmission shaft, so that the clutch is gradually engaged and drives the flywheel load to gradually rotate at high speed, thereby solving the problem that the output torque is not enough to drive the load at the initial starting stage of the power motor, thereby failing to start; the utility model solves the problem that the power motor is limited by the driving force when accelerating the generator set; the utility model discloses a power generation system can be accelerated fast, the effect of accelerating, and load when power motor starts is lighter, can start sooner, has reduced the impact that power motor received, has improved power motor's life.
Drawings
FIG. 1 is a schematic diagram of an accelerated power generation apparatus of the present invention;
FIG. 2 is a control schematic diagram of the electric cabinet of the utility model;
the device comprises a power motor 1, a generator 2, a bearing seat 3, a transmission shaft 4, a flywheel 5, a clutch 6, an electric cabinet 7, a rotating speed sensor 8, a variable frequency controller 9, a supporting base 10, a first coupler 11, a second coupler 12, a small flywheel 50, a middle flywheel 51 and a large flywheel 52.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be noted, however, that the numerous details set forth in this specification are merely intended to provide a thorough understanding of one or more aspects of the invention, and may be embodied without these specific details.
As shown in figure 1, according to the utility model, the accelerating power generation device comprises a supporting base 10 and a power motor 1, a generator 2 and bearing seats 3 which are arranged on the supporting base 1, a plurality of sections of transmission shafts 4 which are coaxially arranged are arranged between an output shaft of the power motor 1 and an input shaft of the generator 2, each section of transmission shaft 4 is arranged on the supporting base 1 through a plurality of bearing seats 3, an output shaft of the power motor 1 is in transmission connection with the head end of the transmission shaft 4 through a first coupler 11, an input shaft of the generator 2 is in transmission connection with the tail end of the transmission shaft 4 through a second coupler 11, a plurality of stages of flywheels 5 with gradually increased diameters are sequentially arranged on the transmission shaft 4 between the power motor 1 and the generator 2, a clutch 6 is arranged on the transmission shaft 4 on one side of an input rotor of each stage of flywheels 5, a bearing seat 3 is respectively arranged between the clutch 6 and each stage of flywheel, and the bearing seat 3, the flywheel 5, the clutch 6, the bearing seat 3, the first coupler 11 and the second coupler 12 are coaxially arranged on the transmission shaft 4. The clutch 6 is an electromagnetic clutch; one side of an input rotor and one side of an output rotor of each stage of flywheel 5 are respectively in transmission connection with the transmission shaft 4 through the bearing seat 3, and the clutch 6 is arranged between the input rotor of each stage of flywheel 5 and the bearing seat 3; the clutch 6 is arranged on the transmission shaft 4 at one side of the bearing block 3 and close to one side of the first coupler 11; the flywheel 5 consists of three stages of small flywheels 50, middle flywheels 51 and large flywheels 52 with different diameters, wherein the diameter of the minimum flywheel is 1000mm-2000mm, the diameter of the maximum flywheel is 5000mm-6000mm, and the diameter ratio of the flywheels of each stage can be properly adjusted according to the output power of the power generation system; when the power motor 1 starts to rotate, the kinetic energy output by the power motor 1 is transmitted to the first clutch 6 through the first coupler 11 and the transmission shaft 4, the rotating speed of the power motor 1 changes, so that the torque of the clutch 6 gradually changes, the torque of the clutch 6 increases, the output shaft (driven shaft) of the clutch 6 transmits the rotating speed and the torque to the small flywheel 50 on the transmission shaft 4, the small flywheel 50 obtains the kinetic energy, starts to rotate at high speed and stores the energy, the energy is stored due to the inertia action of the small flywheel 50, the torque of the transmission shaft 4 increases due to the torque generated by the small flywheel 50, the rotating speed of the transmission shaft 4 is increased under the driving of the transmission shaft 4, the next clutch 6 is driven to rotate, so that the torque of the clutch 6 on the input side of the middle flywheel 51 gradually changes, and the rotating speed and the torque are transmitted to the middle flywheel 51 through the transmission shaft 4, the transmission shaft 4 drives the middle flywheel 51 to rotate, the middle flywheel 51 obtains kinetic energy and starts to rotate at high speed and store energy, the inertia action of the middle flywheel 51 transmits the rotating speed and torque to the transmission shaft 4, at the moment, the torque generated by the middle flywheel 51 increases the rotating speed of the transmission shaft 4, the torque generated by the middle flywheel 51 is transmitted to the clutch 6 at the input side of the large flywheel 52, the rotating speed and torque output by the clutch 6 are increased and transmitted to the large flywheel 52 through the transmission shaft 4, the energy storage is performed and the torque of the transmission shaft 4 is increased due to the inertia action of the large flywheel 52, the torque generated by the large flywheel 52 increases the rotating speed of the transmission shaft 4 to drive the generator 2 to rotate and generate electricity, the small flywheel 50, the middle flywheel 51 and the large flywheel 52 with gradually increased diameters are sequentially installed on the transmission shaft 4, and the small flywheel 50, the middle flywheel 51 and the large flywheel 52 respectively increase the torque and the rotating speed through the clutch 6, the big flywheel 52 torsion of last increases and drives big flywheel 52 high-speed rotation and energy storage on transmission shaft 4 to drive generator 2 and rotate the electricity generation when accomplishing big flywheel 52 high-speed rotation, for this reason, the utility model discloses a kinetic energy transmission of rotatory motor power 1 to transmission shaft 4 is last, makes every clutch 6 independently rotatory, transmits torsion step by step to generator 2 through clutch 6 and carries out the energy storage and accelerate to the flywheel, makes generator 2 obtain high-speed rotatory kinetic energy and generates electricity, finally realizes generator 2's steady voltage output.
Referring to fig. 1 and 2, an electric cabinet 7 is arranged on a support base 10 close to one side of the power motor 1, the electric cabinet 7 is connected through energy storage and power distribution or commercial power, and the electric cabinet 7 is used for switching power supply to the power motor 1; the electric control box 7 is internally provided with a controller which is a single chip microcomputer controller or a PLC controller, the rotor of the power motor 1 is also provided with a rotating speed sensor 8, the controller in the electric control box 7 is electrically connected with the clutch 6 and the rotating speed sensor 8, a variable frequency controller 9 is also arranged between the controller in the electric control box 7 and the power motor 1, and the controller in the electric control box 7 is electrically connected with the power motor 1 through the variable frequency controller 9. The rotating speed sensor 8 is used for detecting the rotating speed of the power motor 1, a starting control circuit is further arranged between the electric cabinet 7 and the clutch 6 and comprises an isolating switch, an isolating drive circuit and a starting switch, and a control output end in the electric cabinet 7 is connected with a joint control end sequentially through the isolating switch, the isolating drive circuit and the starting switch; the isolation switch is a photoelectric isolation switch, the isolation driving circuit is composed of MOS power tubes, and the started switch is a thyristor; the controller of the electric cabinet 7 controls the clutch 6 through the isolating switch, the isolating drive circuit and the starting switch and adjusts the output power of the power motor 1, when the rotating speed of the power motor 1 exceeds the set highest rated rotating speed, the output frequency of the variable frequency controller 9 is adjusted so as to control the speed limit of the power motor 1, the controller of the electric cabinet 7 outputs a PWM pulse control signal to close or stop the starting switch of the starting control circuit, so that the electromagnetic clutch 6 is separated or jointed, and when the rotating speed of the power motor 1 is reduced to the lowest preset rated rotating speed, the electromagnetic clutch 6 is jointed and the generator 4 is continuously driven to generate electricity. PWM pulse control signal of electric cabinet 7's controller output makes and slowly loosens through electromagnetic clutch 6 after a plurality of cycles, and the inertia kinetic energy that the flywheel stored will drive generator 2 and continue the electricity generation to can wait for motor power 1 to start again and accelerate under the underloading situation, the utility model discloses a rotatory motor power 1's kinetic energy transmission to transmission shaft 4 is last, makes every clutch 6 independently rotatory, transmits torsion step by step to generator 2 through clutch 6 and carries out the energy storage and accelerate to the flywheel, and in this week, clutch 6's joint and separation, put through and cut off generator 2 (permanent magnet generator)'s power input, make generator 2 obtain high-speed rotatory kinetic energy and generate electricity, finally realize generator 2's steady voltage output.
With reference to fig. 1 and 2, the accelerating power generation control process of the accelerating power generation device of the present invention is further described, wherein the control process includes the following steps:
step 1: a transmission shaft 3 is arranged between a power motor 1 and a generator 2, a plurality of stages of flywheels 5 with diameters gradually increased from small to small are sequentially arranged on the transmission shaft 3 between the power motor 1 and the generator 2, and a clutch 6 is respectively arranged on the transmission shaft 3 at the input side of each stage of flywheels 5;
step 2: starting the power motor 1, acquiring a first detection rotating speed of the power motor 1 by a rotating speed sensor 8, wherein the first rotating speed is lower than a preset first preset rotating speed, and sending detected first detection rotating speed information to an electric cabinet 7 by the rotating speed sensor 8; the electric control box 7 outputs a control signal to enable the first clutch 6 to be connected, and an output shaft of the power motor 1 is connected with the first clutch 6 through the transmission shaft 4 to rotate and drives the first flywheel 5 on the transmission shaft 4 to store energy and rotate; when the power motor 1 is started, the power is smaller, when the first rotating speed is lower than the first preset rotating speed, the electric control box 7 outputs a control signal to switch on the clutch 6, the kinetic energy output after the clutch 6 is jointed drives the small flywheel 50 to rotate, and the power motor 1 is started under the condition of lighter load;
and step 3: the rotating speed sensor 8 acquires a second detected rotating speed of the dynamic motor 1, and when the rotating speed is lower than a preset second preset rotating speed, wherein the second preset rotating speed is higher than the first preset rotating speed, the rotating speed sensor 8 sends the detected second preset rotating speed information to the electric cabinet 7; the electric control box 7 outputs a control signal to enable the next clutch 6 to be jointed, an output shaft of the power motor 1 is jointed with the next clutch 6 through the transmission shaft 4 to rotate together, and the output end of the clutch 6 drives the second flywheel 5 on the transmission shaft 4 to store energy and rotate; when the second rotating speed is lower than the second preset rotating speed, the electric control box 7 outputs a control signal to switch on the clutch 6, the kinetic energy output after the clutch 6 is jointed drives the middle flywheel 51 to rotate, so that the load is gradually increased to obtain the kinetic energy for accelerating the speed in the process of accelerating the power motor 1, and the power motor can rapidly accelerate under the condition of lighter load;
and 4, step 4: when the rotating speed sensor 8 obtains that the second detected rotating speed of the dynamic motor 1 is greater than or equal to a second preset rotating speed, the output shaft of the dynamic motor 1 is connected with the clutch 6 through the transmission shaft 4 to rotate, so that the tail flywheel 5 on the transmission shaft 4 stores energy to rotate, and the generator 2 is driven to rotate to generate electricity; in the present invention, if the second detection rotation speed is greater than or equal to the second preset rotation speed that is preset, and is less than the rated rotation speed of the power motor 1, the last flywheel 5 on the transmission shaft 4 continuously stores energy and rotates, and drives the generator 2 to continuously rotate and generate electricity, and if the second detection rotation speed is equal to the rated rotation speed, the electric cabinet 7 outputs a control signal to the power motor 1 to perform speed reduction adjustment; the rotation speed sensor 8 performs first-order low-pass filtering when acquiring each detected rotation speed of the power motor 1, thereby acquiring data of the anti-interference processing, and then compares the data with a preset rotation speed to perform more accurate judgment and processing. The utility model discloses a make controller among the electric cabinet 7 connect speed sensor, clutch and frequency conversion controller, reach the purpose of accurate control clutch, so that control the clutch is controlled to motor power's rotational speed joint and separation, and gradual increase or the load that subtracts light obtains the kinetic energy of speeding up or slowing down to accurately, in order to reach the energy-conserving purpose with higher speed of power generation system.
In the utility model, the electric cabinet 7 is connected through energy storage and power distribution or commercial power, the electric cabinet 7 switches the power supply to the power motor 1, the power distribution is switched on to start the power motor 1 under light load, and the torsion force when the clutch 6 is operated at high speed and connected is much larger than the connection force when the clutch is operated at low speed; when the rotating speed of the power motor 1 reaches a certain rotating speed, the clutch 6 is gradually engaged and drives the flywheel to load and rotate at a high speed, so that the problem that the output torque of the power motor 1 at the initial starting stage is not enough to drive the load, and the power motor 1 is even damaged, and if the torque and the rotational inertia are large when the flywheel (load) is started, the power motor 1 cannot directly drive the generator 2 to start and operate through the flywheel. This results in a longer start-up procedure of the power motor 1. The utility model discloses to solved the problem that receives drive power restriction when motor power 1 carries out the speeding to generating set, passed through moreover the utility model discloses a power generation system can be accelerated fast, the effect of speeding, and the load when motor power 1 starts is lighter, can start sooner, has reduced the impact that motor power 1 received, has improved motor power 1's life.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (7)

1. An accelerated power generation device, comprising: comprises a supporting base, a power motor, a generator and a bearing seat, wherein the power motor, the generator and the bearing seat are arranged on the supporting base, a plurality of sections of transmission shafts which are coaxially arranged are arranged between an output shaft of the power motor and an input shaft of the generator, each section of transmission shaft is arranged on the supporting base through a plurality of bearing seats, an output shaft of the power motor is in transmission connection with the head end of the transmission shaft through a first coupler, the input shaft of the generator is in transmission connection with the tail end of the transmission shaft through a second coupler, a plurality of stages of flywheels with gradually increased diameters are sequentially arranged on the transmission shaft between the power motor and the generator, the clutch is arranged on the transmission shaft on one side of the input rotor of each stage of flywheel, and the bearing seat, the flywheel, the clutch, the bearing seat, the first coupler and the second coupler are coaxially arranged on the transmission shaft.
2. An accelerated power generation assembly according to claim 1, characterized in that: and one side of the input rotor and one side of the output rotor of each stage of flywheel are respectively in transmission connection with the transmission shaft through the bearing seat, and the clutch is arranged between the input rotor and the bearing seat of the flywheel.
3. An accelerated power generation unit according to claim 1 or 2, characterized in that: the electric control box is arranged on the supporting base close to one side of the power motor, a rotating speed sensor is further arranged on a rotor of the power motor, the electric control box is electrically connected with the clutch and the rotating speed sensor, a variable frequency controller is further arranged between the electric control box and the power motor, and the electric control box is electrically connected with the power motor through the variable frequency controller.
4. An accelerated power generation assembly according to claim 3, characterised in that: and a starting control circuit is also arranged between the electric cabinet and the clutch and comprises an isolating switch, an isolating drive circuit and a starting switch, and the control output end of the electric cabinet is connected with the joint control end sequentially through the isolating switch, the isolating drive circuit and the starting switch.
5. An accelerated power generation assembly according to claim 4, further comprising: the clutch is an electromagnetic clutch.
6. An accelerated power generation assembly according to claim 1, characterized in that: the clutch is installed on the transmission shaft on one side of the bearing seat and on one side close to the first coupler.
7. An accelerated power generation assembly according to claim 1, characterized in that: the flywheel comprises three stages of small flywheels, middle flywheels and large flywheels, wherein the diameters of the small flywheels are different, the diameter of the minimum flywheel is 1000mm-1800mm, and the diameter of the maximum flywheel is 5000mm-6000 mm.
CN202020679459.XU 2020-04-28 2020-04-28 Accelerating power generation device Active CN211859911U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111509909A (en) * 2020-04-28 2020-08-07 黄明实 Accelerated power generation system and accelerated power generation control method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111509909A (en) * 2020-04-28 2020-08-07 黄明实 Accelerated power generation system and accelerated power generation control method thereof

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