Air compression gravity energy storage device

Abstract

The utility model discloses an air compression gravity energy storage device, and relates to the technical field of compressed air energy storage, in particular to the air compression gravity energy storage device which comprises a foundation formed by pouring concrete members, a longitudinal energy storage well is formed in the foundation, and a barrel is arranged on the well wall of the energy storage well in a sliding mode. The motor drives the rotating disc to rotate, the rotating disc drives the hinge shaft to move, the hinge shaft changes in the height position, and the hinge shaft pulls the barrel to slide and ascend and descend in the energy storage well through the connecting piece. When the barrel ascends in the energy storage well, external air enters the energy storage well from the air inlet; when the barrel descends in the energy storage well, the barrel compresses air in the well downwards, the compressed air in the well is exhausted through the exhaust port, and therefore energy output of the compressed air is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to compressed air energy storage technology field, concretely is air compression gravity energy storage device. BACKGROUND

[0002] At present, the biggest problem of compressed air energy storage is that the pressure in the compressed air storage space will seriously decrease after releasing to a certain degree, and it is difficult to continuously output high-pressure power. In the disclosed Chinese patent application, the patent name is: a high-efficiency constant-pressure compressed air energy storage system, the prior art cooperates with the concrete floor, the support column, the top plate, the left side plate, the servo motor, the rotating shaft, the drum, the right side plate, the bearing seat, the support shaft, the steel wire rope, the outer barrel, the air inlet, the air outlet, the check valve, the inner flange, the sealing ring, the inner barrel, the concrete block, the lifting ring and the stabilizing assembly to carry out compressed air energy storage. The prior art exists that the pressure in the compressed air storage space will seriously decrease after releasing to a certain degree, and the energy that can be effectively utilized is greatly reduced, resulting in poor economic benefits. CONTENT OF THE UTILITY MODEL

[0003] (I) Technical problem solved

[0004] In view of the deficiencies of the prior art, the utility model provides an air compression gravity energy storage device, which solves the problems raised in the above background technology.

[0005] (II) Technical scheme

[0006] In order to achieve the above purpose, the utility model realizes the following technical scheme: an air compression gravity energy storage device, comprising a foundation poured by a concrete member, a longitudinal energy storage well is formed on the foundation, a cylinder is slidably arranged on the well wall of the energy storage well, an air inlet and an air outlet are respectively formed on the top wall of the cylinder, a first control valve is fixedly installed at the air inlet of the cylinder, and a second control valve is fixedly installed at the air outlet of the cylinder; a support is fixedly installed on the foundation, a rotating disc is rotatably connected to one side wall of the support, a hinge shaft is arranged on the circumferential edge of the rotating disc, a connecting piece is rotatably connected to the hinge shaft, and the lower end of the connecting piece is hinged to the cylinder.

[0007] Optionally, a motor is fixedly installed on the support, the output shaft of the motor is in transmission connection with the rotating disc, and the motor drives the rotating disc to rotate.

[0008] Optionally, a sliding groove is formed on the rotating disc, and the hinge shaft is slidably arranged on the rotating disc through the sliding groove.

[0009] Optionally, a driving member is fixedly installed on the rotating disc, and an output shaft end of the driving member is fixedly connected with the hinge shaft.

[0010] Optionally, a guide rail is fixedly installed on the side wall of the support, and the outer side wall of the upper end of the cylinder is slidably connected with the guide rail.

[0011] Optionally, a counterweight is fixedly connected with the cylinder.

[0012] (Three) beneficial effects

[0013] The air compression gravity energy storage device has the following beneficial effects:

[0014] The air compression gravity energy storage device drives the rotating disc to rotate through the motor, the rotating disc drives the hinge shaft to displace, the hinge shaft changes in height position, and the hinge shaft drives the cylinder to slide and lift inside the energy storage well through the connecting member.When the cylinder rises inside the energy storage well, the outside air enters the energy storage well through the air inlet; when the cylinder descends inside the energy storage well, the cylinder compresses the air inside the well downward, and the compressed air inside the well is discharged through the air outlet, thereby realizing the energy output of the compressed air. The hinge shaft is driven to slide and displace on the rotating disc through the driving member, so as to adjust the distance between the hinge shaft and the center of the rotating disc. At this time, the height of the connecting member during lifting can be adjusted, so as to adjust the height position of the cylinder during lifting. When the compressed gas is discharged, the descending depth of the cylinder can be increased, the cylinder can continuously compress the air downward to a deep depth, the compressed gas can be discharged under high pressure, thereby improving the energy utilization rate of the compressed air and improving the economic benefit. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of the provided drawings.

[0016] Fig. 1 It is a perspective structural schematic view of the air compression gravity energy storage device of the present application;

[0017] Fig. 2 It is a sectional view structural schematic view of the cylinder in the air compression gravity energy storage device of the present application;

[0018] Fig. 3 It is a sectional view structural schematic view of the rotating disc in the air compression gravity energy storage device of the present application.

[0019] In the figure: 1, base; 2, support; 3, guide rail; 4, second control valve; 5, cylinder; 6, rotary table; 7, motor; 8, connecting piece; 9, hinged shaft; 10, first control valve; 11, counterweight; 12, chute; 13, driving piece; 14, energy storage well. DETAILED DESCRIPTION

[0020] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the devices or elements indicated to have a particular orientation, to be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying.

[0021] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For ordinary skilled persons in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments.

[0022] Please refer to Figs. 1 to 3 The technical scheme provided by the present application is: an air compression gravity energy storage device, comprising a base 1 made of a concrete member, a longitudinal energy storage well 14 is formed on the base 1, a cylinder 5 is slidably arranged on the well wall of the energy storage well 14, an air inlet and an air outlet are respectively formed on the top wall of the cylinder 5, a first control valve 10 is fixedly installed at the air inlet of the cylinder 5, and a second control valve 4 is fixedly installed at the air outlet of the cylinder 5.

[0023] The energy storage well 14 is used for storing air. An annular sealing gasket is fixedly installed on the outer side wall of the cylinder body 5, which strengthens the sealing effect between the cylinder body 5 and the well wall of the energy storage well 14, and avoids or reduces air leakage. The cylinder body 5 slides up and down in the inside of the energy storage well 14. When the cylinder body 5 rises in the inside of the energy storage well 14, the inside space of the energy storage well 14 becomes larger, the air pressure in the inside of the energy storage well 14 is lower, and the outside air flows into the inside of the energy storage well 14 through the air inlet on the cylinder body 5. When the cylinder body 5 descends in the inside of the energy storage well 14, the cylinder body 5 compresses the air in the inside of the energy storage well 14, the inside space of the energy storage well 14 becomes smaller, the air is compressed, and the compressed air is discharged through the air outlet.

[0024] A support 2 is fixedly installed on the foundation 1, one side wall of the support 2 is rotationally connected with a rotating disc 6, a hinge shaft 9 is arranged on the circumferential edge of the rotating disc 6, a connecting piece 8 is rotationally connected with the hinge shaft 9, and the lower end of the connecting piece 8 is hinged with the cylinder body 5. A motor 7 is fixedly installed on the support 2, and the output shaft of the motor 7 is in transmission connection with the rotating disc 6. The motor 7 drives the rotating disc 6 to rotate.

[0025] The motor 7 is used for driving the rotating disc 6 to rotate on the support 2. When the rotating disc 6 rotates, the hinge shaft 9 rotates. The connecting piece 8 includes but is not limited to a steel wire rope, a pipe and the like. When the hinge shaft 9 rotates from the low point position to the high point position, the hinge shaft 9 drives the connecting piece 8 to rise, and the connecting piece 8 drives the cylinder body 5 to rise when the connecting piece 8 rises. When the hinge shaft 9 rotates from the high point position to the low point position, the hinge shaft 9 drives the connecting piece 8 to descend, and the connecting piece 8 drives the cylinder body 5 to descend when the connecting piece 8 descends.

[0026] A guide rail 3 is fixedly installed on the side wall of the support 2, and the upper end outer side wall of the cylinder body 5 is in sliding connection with the guide rail 3. The guide rail 3 plays a guiding role, so that the cylinder body 5 can slide up and down.

[0027] A counterweight 11 is fixedly connected with the cylinder body 5.

[0028] The counterweight 11 is used for increasing the weight of the cylinder body 5, so that the cylinder body 5 can press the air in the energy storage well 14 under the weight of the cylinder body 5 and the counterweight 11 when the cylinder body 5 descends.

[0029] A sliding groove 12 is arranged on the rotating disc 6, and the hinge shaft 9 is slidably arranged on the rotating disc 6 through the sliding groove 12. A driving piece 13 is fixedly installed on the rotating disc 6, the output shaft end of the driving piece 13 is fixedly connected with the hinge shaft 9, and the output shaft of the driving piece 13 drives the hinge shaft 9 to slide and displace along the sliding groove 12.

[0030] The driving member 13 includes, but is not limited to, a hydraulic cylinder, an electric push rod, etc. The driving member 13 drives the articulated shaft 9 to slide on the rotating disc 6, so as to adjust the distance between the articulated shaft 9 and the center of the rotating disc 6. At this time, the connecting member 8 is affected by the distance between the articulated shaft 9 and the center of the rotating disc 6, and the height of the connecting member 8 during lifting can be adjusted, so as to adjust the height position of the cylinder 5 during lifting. When the compressed gas is discharged, the depth of the cylinder 5 can be increased, so as to continuously compress the air in the cylinder 5, and the compressed gas can be discharged under high pressure, so as to improve the utilization rate of compressed air energy and economic benefits.

[0031] The motor 7 includes, but is not limited to, a servo motor or a stepping motor.

[0032] In use, when storing energy: the first control valve 10 is opened, the motor 7 is started, the output shaft of the motor 7 drives the rotating disc 6 to rotate by 180 degrees, the rotating disc 6 drives the articulated shaft 9 to move from the low point position to the high point position, the articulated shaft 9 drives the cylinder 5 to move upward through the connecting member 8, the internal space of the energy storage well 14 is enlarged, the internal air pressure of the energy storage well 14 is low, and the external air flows into the energy storage well 14 through the air inlet on the cylinder 5. Then the first control valve 10 is closed.

[0033] When releasing energy: the motor 7 is started, the output shaft of the motor 7 drives the rotating disc 6 to rotate by 180 degrees, the rotating disc 6 drives the articulated shaft 9 to move from the high point position to the low point position, the connecting member 8 is lowered, the cylinder 5 and the counterweight 11 are driven to slide downward under the action of gravity, the cylinder 5 compresses the air in the energy storage well 14, the internal space of the energy storage well 14 is reduced, and the internal air pressure of the energy storage well 14 is increased. Then the second control valve 4 is opened, and the compressed air is discharged through the air outlet on the cylinder 5.

[0034] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An air compression gravity energy storage device, characterized by: The application relates to a foundation (1) formed by pouring concrete members, wherein a longitudinal energy storage well (14) is formed in the foundation (1), a cylinder (5) is slidably arranged on the well wall of the energy storage well (14), air inlets and air outlets are respectively formed in the top wall of the cylinder (5), a first control valve (10) is fixedly installed at the air inlet of the cylinder (5), and a second control valve (4) is fixedly installed at the air outlet of the cylinder (5). A support (2) is fixedly installed on the foundation (1), one side wall of the support (2) is rotationally connected with a rotating disc (6), a hinged shaft (9) is arranged on the circumferential edge of the rotating disc (6), a connecting piece (8) is rotationally connected with the hinged shaft (9), and the lower end of the connecting piece (8) is hinged with the cylinder (5). A sliding groove (12) is formed in the rotating disc (6), the hinged shaft (9) is slidably arranged on the rotating disc (6) through the sliding groove (12), a driving piece (13) is fixedly installed on the rotating disc (6), the output shaft end of the driving piece (13) is fixedly connected with the hinged shaft (9), and the output shaft of the driving piece (13) drives the hinged shaft (9) to slide and displace along the sliding groove (12).

2. An air compression gravity energy storage device according to claim 1, wherein: A motor (7) is fixedly installed on the support (2), the output shaft of the motor (7) is in transmission connection with the rotating disc (6), and the motor (7) drives the rotating disc (6) to rotate.

3. An air compression gravity energy storage device according to claim 1, wherein: A guide rail (3) is fixedly installed on the side wall of the support (2), and the upper end outer wall of the cylinder (5) is slidably connected with the guide rail (3).

4. An air compression gravity energy storage device according to claim 1, wherein: A counterweight (11) is fixedly connected with the cylinder (5).

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