CN216624901U - A microgrid variable current energy storage device - Google Patents

Abstract

The utility model discloses a micro-grid variable-current energy storage device, which relates to the technical field of variable-current energy storage and comprises a shell, wherein a plurality of installation cavities are formed in one side of the shell, protective doors are installed on one sides of the interiors of the installation cavities through hinged parts, insulating handles are installed at one ends of the protective doors, controllers are installed on one sides of the insulating handles at one ends of the protective doors, fixing blocks are installed at the other ends of the protective doors, radiators are arranged at one end and the top end of the shell, temperature monitors are installed on one side of the top end of the interior of each installation cavity, electrical equipment is installed between two sides of the interior of each installation cavity, and switch structures are installed at the bottom end of the interior of each installation cavity. According to the utility model, the power of the internal electrical equipment is cut off while the protective door is opened, so that the danger caused by internal electric leakage can be avoided.

Description

A microgrid variable current energy storage device

technical field

The utility model relates to the technical field of energy storage and current conversion, in particular to a microgrid current conversion energy storage device.

Background technique

The energy storage converter device is a device in modern society that can control the charging and discharging process of the battery, convert AC to DC, and can directly supply power to the AC load in the absence of a power grid. It is generally composed of DC/AC bidirectional converters, These devices are assembled and installed in the cabinet to realize the protective charging and discharging of the battery, ensure the safe operation of the battery, and adjust the active power and reactive power of the grid.

However, the traditional energy storage converter device will emit a certain amount of heat when it is working, which affects the use effect of the device. At the same time, the energy storage converter device has a certain leakage risk during internal maintenance, which is not safe enough. In view of this , In view of the above problems, after in-depth research, this case came into being.

Utility model content

The purpose of the present utility model is to provide a micro-grid variable current energy storage device, so as to solve the problem of a certain degree of danger in the internal maintenance of the device proposed in the above-mentioned background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a micro-grid variable current energy storage device, comprising a casing, one side of the casing is provided with a plurality of installation cavities, and one side of the inside of the installation cavity is connected by a hinge A protective door is installed, an insulating handle is installed on one end of the protective door, a controller is installed on one side of the insulating handle at one end of the protective door, a fixing block is installed on the other end of the protective door, and one end of the outer casing is installed. And the top is provided with a radiator;

A temperature monitor is installed on one side of the top inside the installation cavity, electrical equipment is installed between both sides inside the installation cavity, and a switch structure is installed at the bottom end inside the installation cavity;

The switch structure includes a guide rod, the guide rods are all installed at the bottom end inside the installation cavity, and the top end of the guide rod is installed with a fixed plate, and static contacts are installed on both sides of the bottom end of the fixed plate, and the guide rod is installed on both sides of the bottom end. The outer wall of the rod is sleeved with a movable plate, and movable contacts are installed on both sides of the top of the movable plate, and a clamping block is installed at the middle position of the top of the movable plate, and the top of the clamping block penetrates to the top of the fixed plate A pneumatic push rod is installed at the middle position of the bottom end inside the installation cavity, and the top end of the pneumatic push rod is connected with the bottom end of the moving plate.

Preferably, the shape of the fixing block is annular, and the inner diameter of the fixing block is equal to the diameter of the clamping block.

Preferably, the movable contact and the stationary contact have the same size, and the centers of the movable contact and the stationary contact are located on the same vertical line.

Preferably, the connection between the moving plate and the guide rod is a sliding connection, and the maximum moving distance of the moving plate is greater than the length of the clamping block.

Preferably, the center of the fixing block and the center of the clamping block are located on the same vertical line, and the bottom end of the fixing block and the top end of the fixing plate are located in the same horizontal plane.

Preferably, the radiator includes a refrigerator, an air duct, an air outlet pipe, an induced draft fan, a mounting box, a solenoid valve and an air exhaust pipe, the refrigerator is installed on one side of the top of the casing, and the output end of the casing is installed with a an air duct, the bottom end of the air duct is connected with the top end of the casing, and a plurality of air outlet pipes are installed at the bottom end of the air duct, and the bottom ends of the air outlet pipes all extend to the inside of the installation cavity, and the outer casing An installation box runs through the inside of one end, and an induced draft fan is installed at one end of the inside of the installation box, and a plurality of exhaust pipes are installed at the bottom end of the installation box outside the casing, and solenoid valves are installed inside the exhaust pipes. .

Preferably, there are three air outlet pipes in total, and the centers of the air outlet pipes are all located on the same vertical line as the center of the installation cavity.

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

By setting the switch structure and entering the password through the controller, the pneumatic push rod with independent power supply is activated, and the pneumatic push rod drives the moving plate to move down along the guide rod, so that the moving plate and the fixed plate are separated, and the clamping block is lowered to the bottom of the fixed plate. As a result, the inside of the fixed block is released, and the protective door is no longer restricted. The protective door can be opened by pulling the controller, so that the protected electrical equipment is exposed, which is convenient for maintenance. At the same time, the movable contact is no longer in contact with the static contact, and the electrical The power supply circuit of the equipment is disconnected, so that the electrical equipment is no longer working, so that the danger caused by leakage can be avoided.

Description of drawings

Fig. 1 is the front view sectional structure schematic diagram of the present utility model;

Fig. 2 is the front view schematic diagram of the utility model;

Fig. 3 is the partial side sectional structure schematic diagram of the utility model;

Fig. 4 is the side view structure schematic diagram of the protection door shell of the present invention;

FIG. 5 is an enlarged schematic view of the structure at A in FIG. 1 of the present invention.

In the figure: 1, radiator; 101, refrigerator; 102, air duct; 103, air outlet pipe; 104, induced draft fan; 105, installation box; 106, solenoid valve; 107, exhaust pipe; 2, temperature monitor ;3, protective door; 4, electrical equipment; 5, installation cavity; 6, shell; 7, pneumatic push rod; 8, guide rod; 9, controller; 10, insulating handle; 11, fixing block; 12, clamping block ; 13, moving plate; 14, movable contact; 15, static contact; 16, fixed plate.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example: please refer to Figures 1-5, a microgrid variable current energy storage device, including a housing 6, one side of the housing 6 is provided with a plurality of installation cavities 5, and one side of the inside of the installation cavity 5 is installed by hinges. There is a protective door 3, an insulating handle 10 is installed on one end of the protective door 3, a controller 9 is installed on one side of the insulating handle 10 at one end of the protective door 3, a fixing block 11 is installed on the other end of the protective door 3, and the casing 6 One end and the top of the radiator are provided with a radiator 1;

A temperature monitor 2 is installed on one side of the inner top of the installation cavity 5, and electrical equipment 4 is installed between both sides inside the installation cavity 5, and a switch structure is installed at the bottom end of the installation cavity 5;

The switch structure includes a guide rod 8, the guide rods 8 are all installed at the bottom end of the installation cavity 5, and the top end of the guide rod 8 is installed with a fixed plate 16, and both sides of the bottom end of the fixed plate 16 are installed with static contacts 15, the guide rod The outer wall of 8 is sleeved with a movable plate 13, and movable contacts 14 are installed on both sides of the top of the movable plate 13, and a clamping block 12 is installed at the middle position of the top of the movable plate 13, and the top of the clamping block 12 penetrates to the Above the fixed plate 16, a pneumatic push rod 7 is installed at the middle position of the bottom end inside the installation cavity 5, and the top end of the pneumatic push rod 7 is connected with the bottom end of the moving plate 13;

The shape of the fixing block 11 is annular, and the diameter inside the fixing block 11 is equal to the diameter of the clamping block 12;

The size of the movable contact 14 and the stationary contact 15 are the same, and the centers of the movable contact 14 and the stationary contact 15 are located on the same vertical line;

The connection between the moving plate 13 and the guide rod 8 is a sliding connection, and the maximum moving distance of the moving plate 13 is greater than the length of the blocking block 12;

The center of the fixed block 11 and the center of the clamping block 12 are located on the same vertical line, and the bottom end of the fixed block 11 and the top of the fixed plate 16 are located in the same horizontal plane;

Specifically, as shown in FIGS. 1 , 4 and 5 , the password is input through the controller 9 to activate the pneumatic push rod 7 with an independent power supply, and the pneumatic push rod 7 drives the moving plate 13 to move down along the guide rod 8 , so that the The movable plate 13 is separated from the fixed plate 16, and the clamping block 12 is lowered to the bottom of the fixed plate 16 so that the interior of the fixed block 11 is released, and the protective door 3 is no longer restricted. The protective door 3 can be opened by pulling the controller 9, so that the protected electrical The equipment 4 is exposed to facilitate maintenance, and at the same time, the movable contact 14 is no longer in contact with the static contact 15, and the power supply circuit of the electrical equipment 4 is disconnected, so that the electrical equipment 4 no longer works, thereby avoiding the danger caused by leakage;

The radiator 1 includes a refrigerator 101, an air duct 102, an air outlet duct 103, an induced draft fan 104, a mounting box 105, a solenoid valve 106 and an air exhaust duct 107. The refrigerator 101 is installed on one side of the top of the housing 6, and the An air duct 102 is installed at the output end, the bottom end of the air duct 102 is connected with the top end of the casing 6, and a plurality of air outlet pipes 103 are installed at the bottom end of the air duct 102, and the bottom ends of the air outlet pipes 103 all extend to the installation cavity 5, the inside of one end of the casing 6 is provided with an installation box 105, and one end of the inside of the installation box 105 is installed with an induced draft fan 104, and the bottom end of the installation box 105 outside the casing 6 is installed with a plurality of exhaust pipes 107, and Solenoid valves 106 are installed inside the exhaust pipe 107;

There are three air outlet pipes 103 in total, and the centers of the air outlet pipes 103 are all located on the same vertical line as the center of the installation cavity 5;

Specifically, as shown in FIG. 1 , FIG. 2 and FIG. 3 , when the temperature monitor 2 detects that the temperature is high, the refrigerator 101 is started, and the cold air is sent from the air duct 102 and the air outlet duct 103 into the corresponding installation cavity 5 inside, to help the electrical equipment 4 to cool down, while the solenoid valve 106 is opened, the induced draft fan 104 introduces the hot air inside the installation cavity 5 into the installation box 105, so that it is discharged from the exhaust duct 107, completes the air flow, and avoids the temperature of the electrical equipment 4. If it is too high, the service life will be affected, and at the same time, the installation box 105 and the exhaust pipe 107 can prevent the rainwater from the outside from entering the inside of the device.

Working principle: When using the device, first install the device and put it into use, and realize the basic functions of the device with the help of various types of electrical equipment 4. During use, the electrical equipment 4 will inevitably generate a certain amount of heat, which will lead to the temperature inside the installation cavity 5. rise, when the temperature monitor 2 detects that the temperature is high, the refrigerator 101 starts, and the cold air is sent into the corresponding installation cavity 5 from the air duct 102 and the air outlet duct 103 to help the electrical equipment 4 to cool down, and the solenoid valve 106 is turned on, and the induced draft fan 104 introduces the hot air inside the installation cavity 5 into the installation box 105, so that it is discharged from the exhaust duct 107 to complete the air flow and avoid the high temperature of the electrical equipment 4 affecting the service life. The air duct 107 can prevent external rainwater from entering the inside of the device;

And long-term use, the electrical equipment 4 will inevitably fail. When maintenance is required, first enter the password through the controller 9 to activate the pneumatic push rod 7 with an independent power supply, and the pneumatic push rod 7 drives the moving plate 13 along the guide rod 8. Move down, so that the moving plate 13 is separated from the fixed plate 16, the clamping block 12 is lowered to the bottom of the fixed plate 16 so that the interior of the fixed block 11 is released, and the protective door 3 is no longer restricted, the protective door 3 can be opened by pulling the controller 9, The protected electrical equipment 4 is exposed to facilitate maintenance. At the same time, when the moving plate 13 and the fixed plate 16 are separated, the movable contact 14 is no longer in contact with the static contact 15, and the power supply circuit of the electrical equipment 4 is disconnected. The electrical equipment 4 can no longer work, so that the danger caused by the leakage of electricity can be avoided.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (7)

1. A micro-grid variable current energy storage device, comprising a casing (6), characterized in that: a plurality of installation cavities (5) are opened on one side of the casing (6), and one inside the installation cavity (5) is provided. A protective door (3) is installed on both sides through hinges, one end of the protective door (3) is installed with an insulating handle (10), and one side of the insulating handle (10) at one end of the protective door (3) is installed with a control a fixing block (11) is installed on the other end of the protective door (3); A temperature monitor (2) is installed on one side of the inner top of the installation cavity (5), and electrical equipment (4) is installed between both sides inside the installation cavity (5). The installation cavity (5) The bottom end of the interior is equipped with a switch structure; The switch structure includes a guide rod (8), the guide rods (8) are all installed at the bottom end inside the installation cavity (5), and a fixing plate (16) is installed on the top end of the guide rod (8). Static contacts (15) are installed on both sides of the bottom end of the plate (16), a moving plate (13) is sleeved on the outer wall of the guide rod (8), and movable plates (13) are installed on both sides of the top of the moving plate (13). A contact (14), a clamping block (12) is installed at the middle position of the top of the moving plate (13), and the top of the clamping block (12) penetrates to the top of the fixed plate (16), the installation cavity (5) Pneumatic push rods (7) are installed at the middle positions of the inner bottom ends, and the top ends of the pneumatic push rods (7) are all connected with the bottom end of the moving plate (13). 2 . The microgrid converter energy storage device according to claim 1 , wherein the shape of the fixing block ( 11 ) is annular, and the diameter inside the fixing block ( 11 ) is equal to the clamping block ( 12 ). 3 . diameter of. 3. A microgrid converter energy storage device according to claim 1, characterized in that: the movable contact (14) and the static contact (15) have the same size, and the movable contact (14) and the static contact (15) have the same size. The centers of the static contacts (15) are located on the same vertical line. 4. A microgrid variable current energy storage device according to claim 1, characterized in that: the connection between the moving plate (13) and the guide rod (8) is a sliding connection, and the moving plate (13) ), the maximum moving distance is greater than the length of the block (12). 5 . The microgrid converter energy storage device according to claim 1 , wherein the center of the fixed block ( 11 ) and the center of the clamping block ( 12 ) are located on the same vertical line, and the fixed block The bottom end of (11) and the top end of the fixing plate (16) are located in the same horizontal plane. 6 . The microgrid variable-current energy storage device according to claim 1 , wherein the radiator ( 1 ) comprises a refrigerator ( 101 ), an air duct ( 102 ), an air outlet pipe ( 103 ), The induced draft fan (104), the installation box (105), the solenoid valve (106) and the exhaust pipe (107), the refrigerator (101) is installed on one side of the top end of the casing (6), and the output of the casing (6) An air duct (102) is installed at the end of the air duct (102), the bottom end of the air duct (102) is connected with the top end of the casing (6), and a plurality of air outlet pipes (103) are installed at the bottom end of the air duct (102), so The bottom ends of the air ducts (103) all extend to the interior of the mounting cavity (5), the interior of one end of the housing (6) is provided with a mounting box (105), and one end of the interior of the mounting box (105) is mounted There is an induced draft fan (104), a plurality of exhaust pipes (107) are installed at the bottom end of the installation box (105) outside the casing (6), and solenoid valves (106) are installed inside the exhaust pipes (107). ). 7 . The microgrid variable-current energy storage device according to claim 6 , wherein three air outlet pipes ( 103 ) are provided in total, and the center of the air outlet pipes ( 103 ) is connected to the installation cavity ( 7 . 5) The centers are located on the same vertical line.

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