Rod type spring energy storage power generation device and method

Abstract

The invention discloses a rod type spring energy storage power generation device and method and belongs to the field of energy storage. The mechanical energy storage and power generation device comprises a rod type spring, a rod type spring energy storage and release inhaul cable device, a rod type spring energy storage and release control device, a rod type spring energy storage and release speed change device, a rod type spring energy storage and release motor set and a rod type spring base. According to the device and method, mechanical energy storage is achieved through control rod type springs, the problems of randomness and instability are solved for green energy, and peak regulation and valley filling of a power grid are achieved. The device is low in cost, high in energy density, large in power, fast in response, simple in structure, reliable in technology, capable of being produced in a standardized and modularized mode, capable of being networked in parallel and in series, high in adaptability and capable of achieving high-power energy storage and electric power output, and has important significance on stable operation, peak regulation and valley filling of green energy sources of wind, light and water and a power grid.

Description

Technical Field

[0001] The present invention belongs to the technical field of mechanical energy storage, and in particular relates to a rod-type spring energy storage power generation device and method. Background Art

[0002] With the development of green energy and the proposal of efficient energy utilization, the field of energy storage technology is also constantly accelerating the pace of innovation. Among them, mechanical energy storage technology can not only reduce the volatility and randomness of large-scale wind power and photovoltaic power generation, but also be used for peak regulation of power grids. Therefore, it has received widespread attention in recent years.

[0003] However, the existing mechanical energy storage devices have a small energy storage capacity and are limited by weight and short energy release time. It is urgent to design a device that overcomes the above problems so that mechanical energy storage can play its role in power grid peak regulation. Summary of the invention

[0004] In view of this, the present invention provides a rod-type spring energy storage power generation device and method that can overcome the above problems, including: a rod-type spring, a rod-type spring energy storage and release cable device, a rod-type spring energy storage and release control device, a rod-type spring energy storage and release speed change device, a rod-type spring energy storage and release motor group, and a rod-type spring base. It is a device and method for controlling a rod-type spring to realize mechanical energy storage to solve the randomness and instability problems of green energy and peak-shaving and valley-filling of power grids. The device has low cost, high energy density, high power, fast response, simple structure, reliable technology, standardized and modular production, multiple parallel and series networking, strong adaptability, and can realize high-power energy storage and power output, which is of great significance to the stable operation, peak-shaving and valley-filling of wind, light, water green energy and power grids;

[0005] The rod-type spring energy storage and power generation device and method of the present invention are characterized by: a rod-type spring, a rod-type spring energy storage and release cable device, a rod-type spring energy storage and release control device, a rod-type spring energy storage and release speed change device, a rod-type spring energy storage and release motor group, and a rod-type spring base;

[0006] The rod-type spring is made of a high energy storage and rebound material. When storing energy, the rod-type spring is deformed by a device to convert electrical energy into mechanical potential energy, and energy is stored in the form of mechanical potential energy. When generating electricity, the potential energy stored in the rod-type spring is converted into electrical energy by a device. One end of the rod-type spring is fixed to the spring tree base, and the other end is connected to the rod-type spring energy storage and release cable device. The rod-type spring can be equipped alone or in combination of multiple devices.

[0007] The rod-type spring energy storage and release cable device is made of high-strength and durable materials suitable for winding and pulling operations, and its length is adapted to the retraction and release range of the rod-type spring energy storage device. One end of the cable is connected to the rod-type spring, and the other end is connected to the rod-type spring energy storage output-input conversion device.

[0008] The rod-type spring energy storage output-input conversion device has one end connected to the rod-type spring energy storage and release cable device, and the other end connected to the rod-type spring energy storage and release speed change device. Through the rod-type spring energy storage and release speed change device, the rod-type spring energy storage and release generator set is provided with kinetic energy and receives the kinetic energy of the rod-type spring energy storage and release generator set. When storing energy, the kinetic energy of the rod-type spring energy storage and release generator set is converted to the rod-type spring storage. When generating electricity, the mechanical potential energy stored in the rod-type spring is converted into power to drive the rod-type spring energy storage and release generator set to generate electricity;

[0009] The rod-type spring energy storage and release speed-changing device is connected at one end to the rod-type spring energy storage output-input conversion device, and at the other end to the rod-type spring energy storage and release generator set. When storing energy, the kinetic energy of the rod-type spring energy storage and release generator set is changed in speed and transmitted to the rod-type spring energy storage output-input conversion device. When releasing energy, the kinetic energy of the rod-type spring energy storage output-input conversion device is changed in speed and transmitted to the rod-type spring energy storage and release generator set.

[0010] The rod-type spring energy storage and release motor group is connected at one end to the rod-type spring energy storage and release speed change device, and at the other end to the wind, light, and water green energy grid. When energy storage is required, the electric energy of the wind, light, and water green energy grid is converted into kinetic energy, which is transmitted to the device control rod spring after speed change by the rod-type spring energy storage and release speed change device to store in the form of potential energy. When energy release is required, the kinetic energy stored in the rod spring after speed change by the rod-type spring energy storage and release speed change device is converted into electric energy and sent back to the wind, light, and water green energy grid;

[0011] The rod spring base is made of a firm and stable material, the rod spring is fixed on the base, and also provides a mounting and fixing base for all devices;

[0012] The energy stored in the rod-type spring is green energy from wind, solar, and water, including all suitable energy sources that need to be stably regulated;

[0013] The continuous control steps and methods of the energy storage and release process of the rod-type spring;

[0014] The steps and methods for controlling the energy storage measurement and energy release duration of the unit rod spring;

[0015] The rod-type spring energy storage power generation device and method of the present invention have the following beneficial effects:

[0016] 1. The rod-type spring energy storage power generation device and method of the present invention has the obvious feature of fast response. It is a device that stores energy in the form of mechanical potential energy and is very suitable for suppressing fluctuating and unstable green energy grids;

[0017] 2. The rod-type spring energy storage power generation device and method of the present invention has large unit power, obvious power reserve effect, simple networking, and can provide high-power peak regulation for traditional wind and solar green energy and power grid;

[0018] 3. The rod-type spring energy storage power generation device and method of the present invention has a single-room structure, and the upgrade of unit energy storage power and duration is relatively single-room, which can adapt to the continuous upgrade and update requirements of green energy and power grid;

[0019] 4. The rod-type spring energy storage power generation device and method of the present invention has standard unit characteristics, can form large-scale energy storage, can be flexibly expanded, and can adapt to the growing requirements of green energy and power grid development; BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are part of the present invention and are used to more clearly illustrate the technical solutions of the embodiments of the present application, but do not constitute an improper limitation of the present invention. Obviously, the drawings described below are only some embodiments, and ordinary technicians in this field can also obtain other drawings based on these drawings without creative work;

[0021] Figure 1 It is the principle structure diagram of the present invention;

[0022] Among them: 1-rod spring, 2-rod spring energy storage and release cable device, 3-rod spring energy storage and release control device, 4-rod spring energy storage and release speed change device, 5-rod spring energy storage and release motor group, 6-rod spring base DETAILED DESCRIPTION

[0023] The techniques and methods of the embodiments of the present invention will be described below in combination with the present invention and the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Therefore, based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] Embodiment 1:

[0025] The rod-type spring energy storage power generation device and method of the present invention, see Figure 1 , characterized by: 1-rod spring, 2-rod spring energy storage and release cable device, 3-rod spring energy storage and release control device, 4-rod spring energy storage and release speed change device, 5-rod spring energy storage and release motor group, 6-rod spring base

[0026] The rod-type spring is made of a high energy storage and rebound material. When storing energy, the rod-type spring is deformed by a device to convert electrical energy into mechanical potential energy, and energy is stored in the form of mechanical potential energy. When generating electricity, the potential energy stored in the rod-type spring is converted into electrical energy by a device. One end of the rod-type spring is fixed to the spring tree base, and the other end is connected to the rod-type spring energy storage and release cable device. The rod-type spring can be equipped alone or in combination of multiple devices.

[0027] The rod-type spring energy storage and release cable device is made of high-strength and durable materials suitable for winding and pulling operations, and its length is adapted to the retraction and release range of the rod-type spring energy storage device. One end of the cable is connected to the rod-type spring, and the other end is connected to the rod-type spring energy storage output-input conversion device.

[0028] The rod-type spring energy storage output-input conversion device has one end connected to the rod-type spring energy storage and release cable device, and the other end connected to the rod-type spring energy storage and release speed change device. Through the rod-type spring energy storage and release speed change device, the rod-type spring energy storage and release generator set is provided with kinetic energy and receives the kinetic energy of the rod-type spring energy storage and release generator set. When storing energy, the kinetic energy of the rod-type spring energy storage and release generator set is converted to the rod-type spring storage. When generating electricity, the mechanical potential energy stored in the rod-type spring is converted into power to drive the rod-type spring energy storage and release generator set to generate electricity;

[0029] The rod-type spring energy storage and release speed-changing device is connected at one end to the rod-type spring energy storage output-input conversion device, and at the other end to the rod-type spring energy storage and release generator set. When storing energy, the kinetic energy of the rod-type spring energy storage and release generator set is changed in speed and transmitted to the rod-type spring energy storage output-input conversion device. When releasing energy, the kinetic energy of the rod-type spring energy storage output-input conversion device is changed in speed and transmitted to the rod-type spring energy storage and release generator set.

[0030] The rod-type spring energy storage and release motor group is connected at one end to the rod-type spring energy storage and release speed change device, and at the other end to the wind, light, and water green energy grid. When energy storage is required, the electric energy of the wind, light, and water green energy grid is converted into kinetic energy, which is transmitted to the device control rod spring after speed change by the rod-type spring energy storage and release speed change device to store in the form of potential energy. When energy release is required, the kinetic energy stored in the rod spring after speed change by the rod-type spring energy storage and release speed change device is converted into electric energy and sent back to the wind, light, and water green energy grid;

[0031] The rod spring base is made of a firm and stable material, the rod spring is fixed on the base, and also provides a mounting and fixing base for all devices;

[0032] The energy stored in the rod-type spring is green energy from wind, solar and water, including all suitable grid energy that needs to be stably regulated;

[0033] The continuous control steps and methods of the energy storage and release process of the rod-type spring;

[0034] The steps and methods for controlling the energy storage measurement and energy release duration of the unit rod spring;

[0035] During the specific implementation, the device is controlled according to the steps and methods to convert the excess electric energy that the power grid needs to store into mechanical potential energy and store it in the rod-type spring. When the power grid needs to supplement electric energy, the control device releases the mechanical potential energy stored in the rod-type spring and converts it into electric energy, which is sent back to the power grid to supplement electric energy, thereby suppressing the fluctuation of the power grid and improving the stability of the power grid.

[0036] Embodiment 2:

[0037] The rod-type spring energy storage power generation device and method of the present invention is based on the implementation of the rod-type spring energy storage power generation device and method according to any one of claims 1 to 10 above, and is characterized in that:

[0038] The rod spring according to claim 1, including a device made of a high energy storage and high resilience material, including the feature that it can convert electrical energy into mechanical potential energy for storage by bending and deformation, including the feature that it can convert mechanical potential energy of bending and deformation into electrical energy by releasing it;

[0039] The device having the above characteristics executes specific steps to realize the rod-type spring energy storage power generation device and method of any embodiment of the present invention;

[0040] Embodiment three:

[0041] The rod-type spring energy storage power generation device and method of the present invention is based on the implementation of the rod-type spring energy storage power generation device and method according to any one of claims 1 to 10 above, and is characterized in that:

[0042] The continuous control steps and method of the energy storage and release process of the rod-type spring according to claim 1 include the following specific steps:

[0043] Step 1: Create a standard rod spring with reaction control and duration control adapted to the energy storage process and energy release process based on the standard rod spring as a unit;

[0044] Step 2: Create standards for the reaction control of the energy storage process and the duration control of the energy release process using a standard rod spring as a unit;

[0045] Step 3: Create the reaction control steps and methods of the energy storage process based on the standard rod spring;

[0046] Step 4: Create the duration control steps and methods of the energy release process using a standard rod spring as a unit;

[0047] Step 5: When implementing energy storage and energy release, the control device is controlled according to the steps and methods to convert the excess electric energy that the power grid needs to store into mechanical potential energy and store it in the rod spring. When the power grid needs to supplement electric energy, the control device releases the mechanical potential energy stored in the rod spring and converts it into electric energy, which is sent back to the power grid to supplement electric energy.

[0048] Embodiment 4:

[0049] The rod-type spring energy storage power generation device and method of the present invention is based on the implementation of the rod-type spring energy storage power generation device and method according to any one of claims 1 to 10 above, and is characterized in that:

[0050] The energy storage measurement and energy release duration control steps and methods of the unit rod spring according to claim 1 include the following specific steps:

[0051] Step 1: Create a standard rod spring that adapts to the required energy storage measurement and the required energy release duration in units of standard rod springs;

[0052] Step 2: Create energy storage and energy release reaction control standards for standard rod springs that are adapted to the required energy storage measurement and the required energy release duration;

[0053] Step 3: Create a storage process reaction control step and method that adapts to the required energy storage measurement using a standard rod spring as a unit;

[0054] Step 4: Create a reaction control step and method for the energy release process that adapts to the required energy release duration using a standard rod spring as a unit;

[0055] Step 5: When a certain amount of energy storage and release is implemented, the device is controlled according to the steps and methods to convert a certain amount of excess electrical energy that the power grid needs to store into mechanical potential energy and store it in the rod spring. When the power grid needs to supplement a certain amount of electrical energy, the control device releases a certain amount of mechanical potential energy stored in the rod spring and converts it into electrical energy, which is sent back to the power grid to supplement the electrical energy.

[0056] Embodiment five:

[0057] The rod-type spring energy storage power generation device and method of the present invention is based on the implementation of the rod-type spring energy storage power generation device and method according to any one of claims 1 to 10 above, and is characterized in that:

[0058] The standardized production of unit rod springs and the configuration of multiple sets of unit rod springs according to claim 1 include the following specific steps:

[0059] Step 1: Create control steps and methods for standardized production based on standard rod springs;

[0060] Step 2: Create a set configuration control step and method for multiple set configurations using standard rod springs as units;

[0061] Step 3: Create a control standard for collective energy storage and release of multiple collective configurations based on standard rod springs;

[0062] Step 4: Create control steps and methods for collective energy storage and release of multiple collective configurations with standard rod springs as units;

[0063] Step 5: When the collective energy storage and release control of multiple collective configurations with standard rod-type springs as units is specifically implemented, if the power grid needs energy storage, the multiple collectively configured rod-type springs convert electrical energy into mechanical potential energy and store it in the multiple collectively configured rod-type springs according to the collective energy storage control steps and methods. If the power grid needs to release energy to supplement electrical energy, the control device releases the mechanical potential energy stored in each of the multiple collectively configured rod-type springs according to the collective energy release control steps and methods, converts it into electrical energy, and sends it back to the power grid to supplement electrical energy;

[0064] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the claims, description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A rod-type spring energy storage power generation device and method, characterized in that: Rod-type spring, rod-type spring energy storage and release cable device, rod-type spring energy storage and release control device, rod-type spring energy storage and release speed change device, rod-type spring energy storage and release motor group, rod-type spring base.

2. According to claim 1, the rod spring is made of high-energy storage, high-resilience and durable material. When storing energy, the rod spring is deformed by a device to convert electrical energy into mechanical potential energy, and energy is stored in the form of mechanical potential energy. When generating electricity, the potential energy stored in the rod spring is converted into electrical energy by a device. One end of the rod spring is fixed to the spring tree base, and the other end is connected to the rod spring energy storage and release cable device. The rod spring can be equipped individually or in combination.

3. According to claim 1, the rod-type spring energy storage and release cable device is made of high-strength and durable materials suitable for winding and pulling operations, and its length is adapted to the retraction and release range of the rod-type spring energy storage device. One end of the cable is connected to the rod-type spring, and the other end is connected to the rod-type spring energy storage output-input conversion device.

4. According to the rod-type spring energy storage output-input conversion device as described in claim 1, one end of the rod-type spring energy storage and energy release cable device is connected to the rod-type spring energy storage and energy release speed change device, and the other end is connected to the rod-type spring energy storage and energy release speed change device. Through the rod-type spring energy storage and energy release speed change, kinetic energy is provided to the rod-type spring energy storage and energy release generator set and the kinetic energy of the rod-type spring energy storage and energy release generator set is received. When storing energy, the kinetic energy of the rod-type spring energy storage and energy release generator set is converted to the rod-type spring for storage. When generating electricity, the mechanical potential energy stored in the rod-type spring is converted into power to drive the rod-type spring energy storage and energy release generator set to generate electricity.

5. According to claim 1, one end of the rod-type spring energy storage and release speed changing device is connected to the rod-type spring energy storage output-input conversion device, and the other end is connected to the rod-type spring energy storage and release generator set. When storing energy, the kinetic energy of the rod-type spring energy storage and release generator set is changed to the rod-type spring energy storage output-input conversion device, and then transmitted to the rod-type spring for energy storage. When releasing energy, the kinetic energy of the rod-type spring energy storage is transmitted to the rod-type spring energy storage output-input conversion device and is changed to the rod-type spring for energy storage.

6. According to claim 1, the rod-type spring energy storage and release motor unit has one end connected to the rod-type spring energy storage and release speed changing device, and the other end connected to wind, light, water green energy and the power grid. When energy storage is needed, the electric energy of wind, light, water green energy and the power grid is converted into kinetic energy, which is changed in speed by the rod-type spring energy storage and release speed changing device. Finally, the device transmits it to the rod-type spring for storage in the form of potential energy. When energy release is needed, the kinetic energy after the speed change of the rod-type spring energy storage and release speed changing device is converted into electrical energy and sent back to the power grid.

7. The rod spring base according to claim 1 is made of a firm and stable material, the rod spring is fixed on the base, and also provides a mounting and fixing base for all devices.

8. According to claim 1, the energy stored in the rod-type spring is wind, solar, and water green energy, including all suitable grid energy that needs to be stably regulated.

9. The continuous control steps and method of the energy storage and release process of the rod-type spring according to claim 1.

10. The steps and method for controlling the energy storage measurement and energy release duration of the unit rod spring according to claim 1.

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