Integrated photovoltaic energy storage cooperative control cabinet

Abstract

The utility model discloses an integrated photovoltaic energy storage cooperative control cabinet, which relates to the technical field of control cabinets and comprises a cabinet body, a photovoltaic inverter, an energy storage management assembly, a cooperative control assembly and an energy storage heat dissipation protection assembly are respectively arranged in the cabinet body, and the energy storage heat dissipation protection assembly comprises a mounting frame and a semiconductor radiator. The refrigeration face of the semiconductor radiator is attached to one side of the energy storage battery pack, a heat dissipation opening is formed in the installation frame, the heating face of the semiconductor radiator right faces the heat dissipation opening, and a heat dissipation copper sheet set is fixedly installed in the heat dissipation opening. According to the utility model, when the energy storage battery pack is charged, the energy storage battery pack can generate certain heat, at the moment, the semiconductor radiator works, and the refrigeration surface of the semiconductor radiator is attached to one side of the energy storage battery pack to cool and dissipate heat of the energy storage battery pack, so that the purpose of rapid cooling is realized, and the performance reduction or the service life shortening caused by overheating of the battery is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to control cabinet technical field especially relates to an integrated photovoltaic energy storage collaborative control cabinet. BACKGROUND

[0002] The control cabinet is a kind of box device for centralized control, monitoring and protection of electrical equipment, usually by cabinet, electrical element, wiring system etc. It is precisely controlled to the on-off of circuit, the operating parameter of equipment by the elements such as various switches, controllers, relays, instruments installed inside, can realize the start, stop, speed regulation etc. of operation of motor, production machinery and other equipment, also have overload, short-circuit, leakage protection function, widely used in industrial production, building electrical, transportation and many other fields.

[0003] In current photovoltaic power generation system, photovoltaic energy storage battery is usually placed in control cabinet to ensure that it is properly stored. The battery will generate some heat during charging. For large energy storage battery, the effect of common wind cooling method is poor, and it is difficult to realize rapid cooling of the battery. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems of the prior art that the battery will generate some heat during charging, and for large energy storage battery, the effect of common wind cooling method is poor, and it is difficult to realize rapid cooling of the battery, and provides an integrated photovoltaic energy storage collaborative control cabinet.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: an integrated photovoltaic energy storage collaborative control cabinet, comprising a cabinet, a photovoltaic inverter, an energy storage management assembly, a collaborative control assembly and an energy storage heat dissipation protection assembly are arranged in the cabinet respectively, the energy storage heat dissipation protection assembly comprises a mounting frame and a semiconductor radiator, the refrigeration surface of the semiconductor radiator is attached to one side of energy storage battery pack, the mounting frame is internally provided with a heat dissipation opening, the heating surface of the semiconductor radiator is opposite to the heat dissipation opening, and the heat dissipation copper sheet group is fixedly installed in the inside of the heat dissipation opening.

[0006] Preferably, a partition plate is fixedly installed in the inside of the cabinet, the inside of the cabinet is divided into photovoltaic area and energy storage area by the partition plate, the photovoltaic inverter is arranged in the photovoltaic area, and the energy storage heat dissipation protection assembly and energy storage battery pack are arranged in the energy storage area.

[0007] Preferably, the collaborative control assembly comprises a main control unit and a signal transceiver unit, the main control unit is connected with the photovoltaic inverter and the energy storage management assembly through data bus, and the signal output end of the main control unit is signal connected with the signal transceiver unit.

[0008] Preferably, the energy storage management assembly comprises a photovoltaic controller and an energy storage battery pack, and an output end of the photovoltaic inverter is electrically connected with the electrical equipment through a cable.

[0009] Preferably, the heat dissipation copper sheet group is attached to the heat generating surface of the semiconductor heat sink.

[0010] Preferably, a mounting groove is formed in the lower end of one side of the cabinet body, and the mounting frame is fixedly installed in the mounting groove.

[0011] Compared with the prior art, the utility model has the advantages and positive effects that:

[0012] 1、In the utility model, when the energy storage battery pack is charging, the energy storage battery pack will generate a certain amount of heat, at this time, the semiconductor heat sink works, and the refrigeration surface is attached to one side of the energy storage battery pack to cool and dissipate heat of the energy storage battery pack, so that the purpose of rapid cooling is realized, and the performance of the battery is prevented from being reduced or the service life of the battery is prevented from being shortened due to overheating.

[0013] 2、In the utility model, the heat generating surface of the semiconductor heat sink is cooled by the heat dissipation copper sheet group, and the heat dissipation copper sheet group is installed on the outside of the cabinet body, so that heat transfer cooling can be efficiently carried out with the external air, and the heat dissipation efficiency is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A first three-dimensional structure schematic view of an integrated photovoltaic energy storage collaborative control cabinet is provided for the utility model;

[0015] Figure 2 A second three-dimensional structure schematic view of an integrated photovoltaic energy storage collaborative control cabinet is provided for the utility model;

[0016] Figure 3 A connection relationship schematic view between a cabinet body and an energy storage heat dissipation protection assembly cabinet body in an integrated photovoltaic energy storage collaborative control cabinet is provided for the utility model;

[0017] Figure 4 A three-dimensional structure schematic view of an energy storage heat dissipation protection assembly in an integrated photovoltaic energy storage collaborative control cabinet is provided for the utility model.

[0018] Legend: 1, cabinet body; 11, partition plate; 111, photovoltaic area; 112, energy storage area; 12, mounting groove; 2, photovoltaic inverter; 3, energy storage management assembly; 31, photovoltaic controller; 32, energy storage battery pack; 4, collaborative control assembly; 41, main control unit; 42, signal transceiver unit; 5, energy storage heat dissipation protection assembly; 51, mounting frame; 511, heat dissipation port; 512, heat dissipation copper sheet group; 52, semiconductor heat sink. DETAILED DESCRIPTION

[0019] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0020] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0021] Example 1: As Figure 1 - Figure 4 As shown, this utility model provides an integrated photovoltaic energy storage collaborative control cabinet, including a cabinet body 1. Inside the cabinet body 1 are a photovoltaic inverter 2, an energy storage management component 3, a collaborative control component 4, and an energy storage heat dissipation protection component 5. The energy storage heat dissipation protection component 5 includes a mounting bracket 51 and a semiconductor heat sink 52. The cooling surface of the semiconductor heat sink 52 is attached to one side of the energy storage battery pack 32. A heat dissipation vent 511 is provided inside the mounting bracket 51. The heating surface of the semiconductor heat sink 52 faces the heat dissipation vent 511. A heat dissipation copper fin assembly 512 is fixedly installed inside the heat dissipation vent 511. A partition plate 1 is fixedly installed inside the cabinet body 1. 1. The partition 11 divides the interior of the cabinet 1 into a photovoltaic area 111 and an energy storage area 112. The photovoltaic inverter 2 is installed in the photovoltaic area 111, and the energy storage heat dissipation protection component 5 and the energy storage battery pack 32 are installed in the energy storage area 112. The collaborative control component 4 includes a main control unit 41 and a signal transceiver unit 42. The main control unit 41 is connected to the photovoltaic inverter 2 and the energy storage management component 3 through a data bus. The signal output terminal of the main control unit 41 is connected to the signal transceiver unit 42. The energy storage management component 3 includes a photovoltaic controller 31 and an energy storage battery pack 32. The output terminal of the photovoltaic inverter 2 is electrically connected to the electrical equipment through a cable.

[0022] The specific setup and function of this embodiment are described below. The direct current (DC) from the solar panel enters the photovoltaic inverter 2 and the energy storage battery pack 32 via the photovoltaic controller 31. The DC power entering the photovoltaic inverter 2 is converted into alternating current (AC) and then supplies power to the corresponding electrical equipment via cables. Excess power is stored inside the energy storage battery pack 32. When the energy storage battery pack 32 is charging, it generates heat. At this time, the semiconductor heat sink 52 operates, with its cooling surface attached to one side of the energy storage battery pack 32 to cool the battery. Group 32 is used for cooling and heat dissipation to achieve rapid cooling and prevent battery performance degradation or shortened life due to overheating; the partition plate 11 divides the interior of the cabinet 1 into a photovoltaic area 111 and an energy storage area 112, and installs the photovoltaic equipment and energy storage equipment in the corresponding areas respectively, so that maintenance personnel can quickly find the corresponding electrical components, improve maintenance efficiency, and provide corresponding protection for the corresponding electrical components. The main control unit 41 in the collaborative control component 4 calculates the difference between photovoltaic power generation and grid load in real time and dynamically adjusts the energy storage charging and discharging threshold, thereby realizing the collaborative control of photovoltaic energy storage and discharging.

[0023] Example 2: Figures 1-4 As shown, the integrated photovoltaic energy storage collaborative control cabinet of this utility model includes a cabinet 1. Inside the cabinet 1, a photovoltaic inverter 2, an energy storage management component 3, a collaborative control component 4, and an energy storage heat dissipation protection component 5 are respectively arranged. The energy storage heat dissipation protection component 5 includes a mounting bracket 51 and a semiconductor heat sink 52. The cooling surface of the semiconductor heat sink 52 is attached to one side of the energy storage battery pack 32. The mounting bracket 51 has a heat dissipation vent 511 inside. The heating surface of the semiconductor heat sink 52 faces the heat dissipation vent 511. A heat dissipation copper fin assembly 512 is fixedly installed inside the heat dissipation vent 511. The heat dissipation copper fin assembly 512 is attached to the heating surface of the semiconductor heat sink 52. A mounting groove 12 is opened at the lower end of one side of the cabinet 1. The mounting bracket 51 is fixedly installed inside the mounting groove 12 by bolts.

[0024] The overall effect of this embodiment is that the heat dissipation copper fin assembly 512 dissipates heat from the heat-generating surface of the semiconductor heat sink 52, and the heat dissipation copper fin assembly 512 is installed on the outside of the cabinet 1, which can efficiently contact the outside air for heat transfer and heat dissipation, thereby further improving the heat dissipation efficiency.

[0025] The working principle and method of using the device: the direct current of the solar panel enters the inside of the photovoltaic inverter 2 and the energy storage battery group 32 through the photovoltaic controller 31, the direct current entering the photovoltaic inverter 2 is converted into alternating current by the photovoltaic inverter 2, and the corresponding electrical equipment is powered through the cable, the excess power is stored in the inside of the energy storage battery group 32, when the energy storage battery group 32 is charging, the energy storage battery group 32 will generate a certain amount of heat, at this time, the semiconductor radiator 52 works, and its refrigeration surface is attached to one side of the energy storage battery group 32 to cool and heat the energy storage battery group 32, so that the purpose of rapid cooling is achieved, and the performance of the battery is avoided to be reduced or the service life is shortened due to overheating; the partition plate 11 divides the inside of the cabinet 1 into a photovoltaic area 111 and an energy storage area 112, the photovoltaic equipment and the energy storage equipment are respectively installed in the corresponding area, the maintenance personnel can quickly find the corresponding electrical components, the main control unit 41 in the cooperative control assembly 4 calculates the difference between the photovoltaic power generation power and the power grid load in real time, dynamically adjusts the energy storage charge and discharge threshold, so that the cooperative control of photovoltaic energy storage and discharge is realized.

[0026] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments still belongs to the protection scope of the present application.

Claims

1. An integrated photovoltaic energy storage collaborative control cabinet, comprising a cabinet body (1), characterized in that: The inside of the cabinet (1) is respectively provided with a photovoltaic inverter (2), an energy storage management assembly (3), a cooperative control assembly (4) and an energy storage heat dissipation protection assembly (5), the energy storage heat dissipation protection assembly (5) comprises a mounting frame (51) and a semiconductor heat sink (52), the refrigeration surface of the semiconductor heat sink (52) is attached to one side of the energy storage battery pack (32), the inside of the mounting frame (51) is provided with a heat dissipation opening (511), the heating surface of the semiconductor heat sink (52) is opposite to the heat dissipation opening (511), and the heat dissipation copper sheet group (512) is fixedly installed in the inside of the heat dissipation opening (511).

2. The integrated photovoltaic energy storage and coordinated control cabinet according to claim 1, characterized in that: The inside of the cabinet (1) is fixedly provided with a partition plate (11), the inside of the cabinet (1) is divided into a photovoltaic area (111) and an energy storage area (112) by the partition plate (11), the photovoltaic inverter (2) is arranged in the photovoltaic area (111), and the energy storage heat dissipation protection assembly (5) and the energy storage battery pack (32) are arranged in the energy storage area (112).

3. The integrated photovoltaic energy storage and coordinated control cabinet according to claim 1, characterized in that: The cooperative control assembly (4) comprises a main control unit (41) and a signal transceiving unit (42), the main control unit (41) is connected with the photovoltaic inverter (2) and the energy storage management assembly (3) through a data bus, and the signal output end of the main control unit (41) is signal connected with the signal transceiving unit (42).

4. The integrated photovoltaic energy storage and coordinated control cabinet according to claim 3, characterized in that: The energy storage management assembly (3) comprises a photovoltaic controller (31) and an energy storage battery pack (32), and the output end of the photovoltaic inverter (2) is electrically connected with electrical equipment through a cable.

5. The integrated photovoltaic energy storage and coordinated control cabinet of claim 1, wherein: The heat dissipation copper sheet group (512) is attached to the heating surface of the semiconductor heat sink (52).

6. The integrated photovoltaic energy storage and coordinated control cabinet according to claim 5, characterized in that: The lower end of one side of the cabinet (1) is provided with a mounting groove (12), and the mounting frame (51) is fixedly installed in the inside of the mounting groove (12) through bolts.

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