CN209676068U - A kind of high-efficiency energy-storage device with heat insulation function - Google Patents

Abstract

The utility model discloses a kind of high-efficiency energy-storage device with heat insulation function, including crust of the device, motor and electric power converter, described device liner is internally provided with inner cavity, and the inside of inner cavity is equipped with shaft, the both ends of the shaft are equipped with first bearing and second bearing, and device liner is fixed on the outside of first bearing and second bearing, motor and flywheel are installed in the shaft, and electric power converter is connected on the outside of motor, the first vacuum port and the second vacuum port are provided on the outside of described device shell, and the first vacuum port inner end is communicated with inner cavity.The high-efficiency energy-storage device with heat insulation function carries out energy storage using physical method, and mutual conversion and storage between electric energy and the mechanical kinetic energy for the flywheel that runs at high speed are realized by electronic/power generation mutual-inverse type either-rotation motor, have the advantages that energy storage density it is high, it is adaptable, have a wide range of application, be high-efficient, the long-life, pollution-free and to repair cost low.

Description

A kind of high-efficiency energy-storage device with heat insulation function

Technical field

The utility model relates to technology field of energy storage device, specially a kind of high-efficiency energy-storage device with heat insulation function.

Background technique

Currently, power battery generallys use lithium ion battery, nickel-metal hydride battery, since lithium ion battery composition substance is very living Jump, if electrolyte decomposition, the burning even major accident of explosion will be will appear using mistake.Different discharge-rates can to battery It is larger with capacity impact.Overcharge and overdischarge can cause expendable damage to battery: the disadvantage more than being directed to, generally The lithium battery group of large capacity has been all made of protective device to monitor the use process of battery.Battery performance obviously deteriorates under low temperature, Discharge platform decline, output power reduce, available power decays etc..So we have proposed a kind of with the efficient of heat insulation function Energy storage device, in order to solve the problems, such as to propose among the above.

Utility model content

The purpose of this utility model is to provide a kind of high-efficiency energy-storage device with heat insulation function, to solve above-mentioned background Current some energy storage device security performances that technology proposes are low, and cycle life is short, is easy the problem of being affected by temperature.

To achieve the above object, the utility model provides the following technical solutions: a kind of high-efficiency energy-storage with heat insulation function The inside of device, including crust of the device, motor and electric power converter, described device shell is connected by fixed link with device liner It connects, and is provided with exocoel between device liner and crust of the device, described device liner is internally provided with inner cavity, and inner cavity is interior Portion is equipped with shaft, and the both ends of the shaft are equipped with first bearing and second bearing, and first bearing and second bearing is outer Side is fixed with device liner, motor and flywheel is equipped in the shaft, and electric power converter is connected on the outside of motor, and Electric power converter is located at the outside of crust of the device, is provided with the first vacuum port and the second vacuum port on the outside of described device shell, And first vacuum port inner end be communicated with inner cavity, and the second vacuum port inner end is communicated with exocoel.

Preferably, it is integrated between described device shell and device liner and fixed link, and during fixed link is in The heart is symmetrically distributed between crust of the device and device liner.

Preferably, the exocoel and inner cavity are vacuum environment, and exocoel is not connected to mutually with inner cavity.

Preferably, the first bearing and second bearing are magnetic bearing, and shaft passes through first bearing and second bearing The position of center line being fixed in device liner.

Preferably, the motor and flywheel and shaft are arranged with center line, and between the outside of flywheel and device liner Distance be equal.

Compared with prior art, the utility model has the beneficial effects that there is the high-efficiency energy-storage device of heat insulation function to adopt for this Energy storage is carried out with physical method, and realizes the machinery of electric energy with the flywheel that runs at high speed by electronic/power generation mutual-inverse type either-rotation motor Between kinetic energy it is mutual conversion and storage, have energy storage density it is high, it is adaptable, have a wide range of application, be high-efficient, long-life, nothing Pollution and maintenance spend low advantage；

(1) it is provided with crust of the device and device liner on device, and is fixed between crust of the device and device liner solid Fixed pole can be stablized between crust of the device and device liner and form vacuum exocoel, can carry out heat insulation work to device, from And temperature is effectively avoided to change the adverse effect to energy storage device；

(2) it is provided with vacuum lumen in gallbladder in the device, the windage during flywheel turns can be reduced, to effectively drop Windage loss when low motor operation；

(3) magnetic bearing is installed at the both ends of shaft, it is possible to reduce friction when machine shaft rotates reduces mechanical damage Consumption improves energy storage efficiency.

Detailed description of the invention

Fig. 1 is the utility model whole interior structural schematic diagram；

Fig. 2 is the utility model inside top structural schematic diagram；

Fig. 3 is utility model works schematic illustration.

In figure: 1, crust of the device；2, exocoel；3, fixed link；4, device liner；5, first bearing；6, shaft；7, motor； 8, electric power converter；9, flywheel；10, second bearing；11, the first vacuum port；12, the second vacuum port；13, inner cavity.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of high-efficiency energy-storage dress with heat insulation function Set, including crust of the device 1, exocoel 2, fixed link 3, device liner 4, first bearing 5, shaft 6, motor 7, electric power converter 8, fly Wheel 9, second bearing 10, the first vacuum port 11, the second vacuum port 12 and inner cavity 13, the inside of crust of the device 1 by fixed link 3 with Device liner 4 is connected, and exocoel 2 is provided between device liner 4 and crust of the device 1, and being internally provided with for device liner 4 is interior Chamber 13, and the inside of inner cavity 13 is equipped with shaft 6, the both ends of shaft 6 are equipped with first bearing 5 and second bearing 10, and first The outside of bearing 5 and second bearing 10 is fixed with device liner 4, motor 7 and flywheel 9 is equipped in shaft 6, and motor 7 is outer Side is connected with electric power converter 8, and electric power converter 8 is located at the outside of crust of the device 1, and the outside of crust of the device 1 is provided with First vacuum port 11 and the second vacuum port 12, and 11 inner end of the first vacuum port is communicated with inner cavity 13, and in the second vacuum port 12 End is communicated with exocoel 2.

It is integrated between crust of the device 1 and device liner 4 and fixed link 3, and fixed link 3 is centrosymmetric point Cloth is between crust of the device 1 and device liner 4, it is ensured that the stable working state between crust of the device 1 and device liner 4.

Exocoel 2 and inner cavity 13 are vacuum environment, and exocoel 2 is not connected to mutually with inner cavity 13, and exocoel 2 can provide for device Heat insulation function makes device avoid being acted upon by temperature changes, and inner cavity 13 can reduce the windage in 9 rotation process of flywheel, thus Windage loss when motor 7 is run is effectively reduced.

First bearing 5 and second bearing 10 are magnetic bearing, and shaft 6 is fixed by first bearing 5 and second bearing 10 Position of center line in gallbladder 4 in the device, it is possible to reduce friction when shaft 6 rotates reduces mechanical loss, improves energy storage effect Rate.

Motor 7 and flywheel 9 and shaft 6 are arranged with center line, and the distance between the outside of flywheel 9 and device liner 4 It is equal, it is ensured that the working condition of motor 7 and flywheel 94 normal table of gallbladder in the device.

Working principle: when using the high-efficiency energy-storage device with heat insulation function, it is necessary first to pass through the first vacuum port 11 and second vacuum port 12 by device exocoel 2 and inner cavity 13 be evacuated to vacuum state；

If carry out energy storage, firstly, device is connected extraneous power supply, after extraneous electric energy is converted by electric power converter 8 Driving motor 7 is run, can be so that motor 7 drives shaft 6, so that flywheel 9 synchronizes rotation with shaft 6, in motor 7 Under effect, flywheel 9 accelerates rotation in the inner cavity 13 of the inside of gallbladder 4 in the device, until reaching a certain revolving speed of setting, in flywheel 9 During accelerating rotation, flywheel 9 gets up energy storage in the form of kinetic energy, completes the storage that electric energy is converted to mechanical kinetic energy Energy process, later, flywheel 9 are rotated with that revolving speed of setting, until receiving an exergonic control signal；

When releasing energy, motor 7 is used as generator, high-speed rotating 9 dragging motor 7 of flywheel power generation, through electric power converter 8 Output is suitable for the electric current and voltage of load, the process that releases energy that mechanical kinetic energy is converted to electric energy is completed, in the process for releasing energy In, the revolving speed of flywheel 9 constantly declines, and completes the process of output electric energy outward；

In above process, if ambient temperature changes, under the vacuum state of exocoel 2, device can be carried out Heat insulation work, to ensure that device is not influenced by temperature, entire energy-storage system described above realize electric energy input, Storage and output, and the content being not described in detail in this specification, such as motor 7 and electric power converter 8 belong to this field The prior art well known to professional technician.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (5)

1. a kind of high-efficiency energy-storage device with heat insulation function, including crust of the device (1), motor (7) and electric power converter (8), It is characterized by: the inside of described device shell (1) is connected by fixed link (3) with device liner (4), and device liner (4) it is provided between crust of the device (1) exocoel (2), described device liner (4) is internally provided with inner cavity (13), and inner cavity (13) inside is equipped with shaft (6), and the both ends of the shaft (6) are equipped with first bearing (5) and second bearing (10), and It is fixed with device liner (4), motor (7) is installed on the shaft (6) and flies on the outside of one bearing (5) and second bearing (10) It takes turns (9), and is connected with electric power converter (8) on the outside of motor (7), and electric power converter (8) is located at the outer of crust of the device (1) Side is provided with the first vacuum port (11) and the second vacuum port (12), and the first vacuum port (11) on the outside of described device shell (1) Inner end is communicated with inner cavity (13), and the second vacuum port (12) inner end is communicated with exocoel (2).

2. a kind of high-efficiency energy-storage device with heat insulation function according to claim 1, it is characterised in that: outside described device It is integrated between shell (1) and device liner (4) and fixed link (3), and fixed link (3) is centrosymmetric and is distributed in dress It sets between shell (1) and device liner (4).

3. a kind of high-efficiency energy-storage device with heat insulation function according to claim 1, it is characterised in that: the exocoel (2) and inner cavity (13) are vacuum environment, and exocoel (2) is not connected to mutually with inner cavity (13).

4. a kind of high-efficiency energy-storage device with heat insulation function according to claim 1, it is characterised in that: the first axle It holds (5) and second bearing (10) is magnetic bearing, and shaft (6) is fixed on dress by first bearing (5) and second bearing (10) Set the position of center line in liner (4).

5. a kind of high-efficiency energy-storage device with heat insulation function according to claim 1, it is characterised in that: the motor (7) it is arranged with center line with flywheel (9) with shaft (6), and the distance between the outside of flywheel (9) and device liner (4) are equal It is equal.