Optical storage and charging all-in-one machine

Abstract

The utility model relates to the technical field of optical storage and charging, and discloses an optical storage and charging all-in-one machine which comprises an outer cover and a back plate, the outer cover and the back plate are connected to form a cavity, a partition plate is arranged in the outer cover to divide the cavity into a sealing cavity body used for installing a functional module and an inverter installation cavity used for installing an inverter, and the heat dissipation part of the inverter is exposed out of the inverter mounting cavity. The light storage and charging all-in-one machine is simple in structure, a fan does not need to be independently arranged for heat dissipation, the heat dissipation performance requirement can be met by using the heat dissipation fins of the inverter for heat dissipation, and the cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of light storage and charging, and in particular to a light storage and charging integrated machine. Background Art

[0002] As the scale of the new energy market gradually expands, photovoltaics, energy storage, charging and other tracks have received more and more attention. Various companies and scientific research institutions have begun to increase their R&D investment, actively accumulate relevant technologies, and accelerate product implementation. As a result, distributed or integrated photovoltaic storage and charging solutions with various functional modules have gradually emerged.

[0003] Patent document CN212751872U discloses a portable integrated photovoltaic storage and charging device, which installs a storage battery, an inverter and a control unit in a cabinet, resulting in the need to add a cooling fan to meet the heat dissipation performance requirements, making the device structure complex and costly. Utility Model Content

[0004] The utility model aims to provide a photovoltaic storage and charging integrated machine, which has a simple structure and does not need a separate fan for heat dissipation. The heat dissipation performance requirements can be met by using the inverter heat sink to dissipate heat, thereby reducing costs.

[0005] In order to achieve the above-mentioned purpose, the utility model provides an integrated photovoltaic storage and charging device, including an outer cover and a back plate, wherein the outer cover and the back plate are connected to form a cavity, and a partition is arranged inside the outer cover to divide the cavity into a sealed cavity for installing a functional module and an inverter installation cavity for installing an inverter, and the heat dissipation part of the inverter is exposed to the outside of the inverter installation cavity.

[0006] In some embodiments, a sealing groove having a sealing member is disposed on the back plate to fit with the frame of the outer cover and the partition to form the sealed cavity.

[0007] In some embodiments, an opening is provided on the back plate so that the heat dissipation portion of the inverter is exposed outside the inverter installation cavity.

[0008] In some embodiments, a ventilation device is provided on the back plate, and the ventilation device is connected to the sealed cavity to avoid condensation in low temperature conditions.

[0009] In some embodiments, an inverter mounting bracket is further included, wherein the inverter mounting bracket is fixed to the heat dissipation portion of the inverter and both ends of the inverter mounting bracket are connected to the outer cover so as to mount the inverter in the inverter mounting cavity.

[0010] In some embodiments, a plurality of inverter support frames for supporting the inverter are disposed in the inverter installation cavity.

[0011] In some embodiments, a module mounting plate is disposed in the sealed cavity, and the module mounting plate is used to mount the functional module.

[0012] In some embodiments, a charging mainboard PCB and an EMS module are installed on the module mounting board, the charging mainboard PCB (circuit board) and the EMS (energy management system) module are electrically connected, the charging mainboard PCB is connected to the charging gun, the EMS module is electrically connected to the inverter, and the inverter is electrically connected to the charging mainboard PCB.

[0013] In some embodiments, it also includes a splitter, a switching power supply and a lightning protection module, the splitter is installed on the module mounting board, the switching power supply is installed on the module mounting board through a first mounting seat, the lightning protection module is installed on the first mounting seat, and second mounting seats are respectively provided above and below the lightning protection module, the charging mainboard PCB, the switching power supply, the inverter and the lightning protection module are respectively connected to the splitter, and the switching power supply is connected to the EMS module.

[0014] In some embodiments, the splitter is connected to a grid-side terminal.

[0015] In some embodiments, a waterproof cover is provided at the bottom of the inverter installation cavity and is sleeved on the grid-side terminal.

[0016] In some embodiments, the charging main board PCB and the charging gun are connected by a wire passing through the waterproof connector on the partition and the charging gun terminal on the bottom end plate of the inverter installation cavity, the charging gun terminal includes a waterproof connector, the grid side terminal and the splitter are connected by a wire passing through the partition and the waterproof connector on the bottom end plate of the inverter installation cavity, and the EMS module and the inverter are connected by a wire passing through the waterproof connector on the partition.

[0017] In some embodiments, an antenna assembly is disposed on the outer cover, and the antenna assembly is electrically connected to the EMS module.

[0018] In some embodiments, the antenna assembly includes an antenna cover and an antenna, wherein the antenna cover is mounted on the housing, the antenna is disposed in the antenna cover, and the antenna is electrically connected to the EMS module.

[0019] In some embodiments, an emergency stop switch is provided on the outer cover, and the emergency stop switch is connected to the charging main board PCB.

[0020] In some embodiments, the inverter is connected to a battery terminal.

[0021] In some embodiments, the back panel is connected to a ground mounting bracket or a wall mounting bracket.

[0022] Through the above technical solution, a partition is set inside the outer cover to separate the sealed cavity and the inverter installation cavity. The structure only needs to be partially sealed, which is convenient for sealing structure design and has a good sealing effect. Moreover, the heat dissipation part of the inverter is exposed to the outside, and there is no need to equip a separate fan for heat dissipation, which can meet the heat dissipation requirements, reduce the assembly, installation, maintenance and use costs, and improve the convenience of user use and operation.

[0023] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 This is one of the structural schematic diagrams of the first embodiment of the integrated photovoltaic storage and charging device of the utility model;

[0026] Figure 2 This is the second structural schematic diagram of the first embodiment of the integrated photovoltaic storage and charging device of the utility model;

[0027] Figure 3 This is the third structural schematic diagram of the first embodiment of the integrated photovoltaic storage and charging device of the utility model;

[0028] Figure 4 This is one of the structural schematic diagrams of the upper components of the integrated photovoltaic storage and charging device of the utility model;

[0029] Figure 5 This is the second structural schematic diagram of the upper component of the integrated photovoltaic storage and charging device of the utility model;

[0030] Figure 6 This is a topological structure diagram of each functional module in the sealed cavity of the integrated photovoltaic storage and charging device of the utility model;

[0031] Figure 7 It is an exploded view of the upper part of the integrated photovoltaic storage and charging device of the utility model;

[0032] Figure 8 This is a schematic diagram of the structure of the external installation solution of the inverter of the utility model;

[0033] Fig. 9This is one of the structural schematic diagrams of the second embodiment of the integrated photovoltaic storage and charging device of the utility model;

[0034] Fig.10 This is the second structural schematic diagram of the second embodiment of the integrated photovoltaic storage and charging device of the utility model;

[0035] Fig.11 It is an electrical principle diagram of the photovoltaic storage and charging integrated machine of the utility model.

[0036] Description of Reference Numerals

[0037] 11-outer cover; 111-partition; 112-bottom end plate; 12-back plate; 121-seal; 3-inverter; 31-inverter mounting bracket; 32-inverter support frame; 33-battery terminal; 34-EPS output interface; 35-inverter terminal; 36-photovoltaic terminal; 4-module mounting plate; 41-charging mainboard PCB; 42-EMS module; 43-distributor; 44-switching power supply; 45-lightning protection module; 46-first mounting seat; 47-second mounting seat; 5-charging gun; 51-charging gun terminal; 61-grid side terminal; 62-waterproof cover; 63-first sealing pad; 64-communication interface; 7-waterproof connector; 81-antenna outer cover; 82-antenna; 83-emergency stop switch; 84-second sealing pad; 91-ground mounting bracket; 92-wall mounting bracket. DETAILED DESCRIPTION

[0038] The following is a further detailed description of the implementation of the utility model in conjunction with the accompanying drawings and examples. The detailed description of the following examples and the accompanying drawings are used to exemplarily illustrate the principles of the utility model, but cannot be used to limit the scope of the utility model. The utility model can be implemented in many different forms, not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0039] The utility model provides these embodiments to make the utility model thorough and complete, and to fully express the scope of the utility model to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the parts and steps, the composition of the materials, the numerical expressions and the numerical values ​​described in these embodiments should be interpreted as merely exemplary, rather than as limiting.

[0040] It should be noted that, in the description of the present invention, unless otherwise specified, the orientation or positional relationship indicated is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0041] In addition, the words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different parts. The words "include" or "comprise" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements.

[0042] It should also be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. When a specific device is described as being located between a first device and a second device, there may or may not be an intermediate device between the specific device and the first device or the second device.

[0043] All terms used in the present invention have the same meanings as those understood by ordinary technicians in the field to which the present invention belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries should be interpreted as having meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless explicitly defined herein.

[0044] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0045] like Figures 1 to 11 As shown, the basic embodiment of the utility model provides an integrated photovoltaic storage and charging device, including an outer cover 11 and a back plate 12. The outer cover 11 and the back plate 12 are connected to form a cavity. A partition 111 is arranged in the outer cover 11 to divide the cavity into a sealed cavity and an inverter installation cavity. The sealed cavity is used to install the functional module, and the inverter installation cavity is used to install the inverter 3. The heat dissipation part of the inverter 3 is exposed to the outside of the inverter installation cavity.

[0046] By connecting the outer cover 11 and the back plate 12 to form a cavity divided into a sealed cavity and an inverter installation cavity, the inverter is separated from other functional modules in design and layout, and the inverter is independent of the installation cavity of other modules. It is sufficient to perform partial sealing, that is, to seal the sealed cavity, which is convenient for sealing structure design and has a good sealing effect. At the same time, the heat dissipation part of the inverter 3 is exposed outside the inverter installation cavity, and there is no need to configure a fan for heat dissipation as in the prior art. The heat dissipation part of the inverter 3 can meet the requirements, which can reduce the assembly, installation, maintenance, and use costs, and improve the convenience of user use and operation.

[0047] In some embodiments, Figure 7 As shown, a sealing groove is provided on the upper part of the side of the back plate 12 facing the outer cover 11, and a sealing member 121 is arranged in the sealing groove. After the back plate 12 is installed on the outer cover 11, the sealing member 121 is pressed and fitted with the frame and partition 111 corresponding to the outer cover 11 to form a sealed cavity.

[0048] In some embodiments, Figure 7 As shown, a ventilation device is provided on the upper part of the side of the back plate 12 facing the outer cover 11, and the ventilation device is connected to the sealed cavity to effectively avoid the risk of product condensation. The ventilation device can be a ventilation valve (not shown in the figure).

[0049] In some embodiments, Figure 7 and Fig.10 As shown, the lower part of the back plate 12 facing the outer cover 11 is provided with an opening, and the heat dissipation part of the inverter 3 extends to the outside of the back plate 12, that is, exposed to the outside of the inverter installation cavity. The heat dissipation part of the inverter 3 can be a heat sink or other heat dissipation structure, so that the heat dissipation requirements can be met without configuring a separate heat dissipation fan, the structure is simple, and the purpose of reducing installation, use and maintenance costs can be achieved.

[0050] In some embodiments, Figure 4 and Figure 5 As shown, the inverter 3 is fixed to the lower part of the outer cover 11 by the inverter mounting bracket 31. Specifically, the inverter mounting bracket 31 is fixed to the heat dissipation part of the inverter 3 and the two ends of the inverter mounting bracket 31 are connected to the outer cover 11, so that the inverter 3 is installed in the inverter mounting cavity.

[0051] Furthermore, if Figure 8 As shown, a plurality of inverter support frames 32 are arranged in the inverter installation cavity. The inverter support frames 32 are supported on a side of the inverter away from the heat dissipation portion, thereby cooperating with the inverter installation bracket 31 to achieve fixed installation of the inverter.

[0052] In some embodiments, Figure 7 As shown, a module mounting plate 4 is provided on the inner bottom surface of the outer cover 11 corresponding to the sealed cavity, and the module mounting plate 4 is used for mounting functional modules.

[0053] In some embodiments, Figures 4 to 7As shown, the module mounting plate 4 is provided with a charging mainboard PCB 41 and an EMS module 42, the charging mainboard PCB 41 and the EMS module 42 are electrically connected, a plurality of waterproof connectors 7 are provided on the partition 111, the charging mainboard PCB 41 is connected to the charging gun 5 through a wire, the wire is connected to the charging mainboard PCB 41 and the charging gun 5 through the waterproof connector 7 on the partition 111 and the charging gun terminal 51 of the bottom end plate 112 of the inverter mounting cavity, and the charging gun terminal 51 includes a waterproof connector. The EMS module 42 is also electrically connected to the inverter 3 through a wire, the wire connects the EMS module 42 and the inverter 3 through the waterproof connector 7 on the partition 111, and the inverter 3 is also electrically connected to the charging mainboard PCB 41 through a wire, the wire connects the charging mainboard PCB 41 and the inverter 3 through the waterproof connector 7 on the partition 111.

[0054] Furthermore, if Figures 4 to 7 As shown, a splitter 43, a switching power supply 44 and a lightning protection module 45 are also provided, and the splitter 43 can be directly mounted on the module mounting plate 4. The switching power supply 44 and the lightning protection module 45 can be mounted on the module mounting plate 4 through a first mounting seat 46. The first mounting seat 46 can be a mounting plate, and a plurality of mounting holes are arranged on the mounting plate. Fasteners such as pins or bolts are inserted into the mounting holes on the mounting plate, so that the switching power supply 44 and the lightning protection module 45 can be fixed on the first mounting seat 46. Second mounting seats 47 are also provided above and below the lightning protection module 45, respectively. The second mounting seat 47 can also be a mounting plate, and can be plugged into the first mounting seat 46 to limit and fix the switching power supply 44 and the lightning protection module 45. The switching power supply 44 is connected to the EMS module 42, wherein the switching power supply 44 is also called a switching power supply or a switching converter, which is a high-frequency power conversion device, and its function is to convert a standard voltage into a voltage or current required by the user end through different forms of architecture. The splitter 43 can be connected to the grid-side terminal 61 through a wire passing through the partition 111 and the waterproof connector 7 on the bottom end plate 112 of the inverter installation cavity. The grid-side terminal 61 is used to connect to the external power grid. The splitter 43 outputs a first wire connected to the charging mainboard PCB41, and the splitter 43 outputs a second wire connected to the switching power supply 44. The splitter 43 outputs a third wire connected to the inverter terminal 35 through the waterproof connector 7 on the partition 111 and the waterproof connector 7 on the bottom end plate 112 of the inverter installation cavity. The inverter terminal 35 is then connected to the EPS (emergency power supply) output interface, and the splitter 43 outputs a fourth wire connected to the lightning protection module 45.

[0055] In some embodiments, an antenna assembly is disposed on the housing 1, and the antenna assembly is electrically connected to the EMS module 42. Figures 4 to 7As shown, the antenna assembly includes an antenna cover 81, an antenna 82 and a second sealing gasket 84. The antenna cover 81 is mounted on the cover 1 through the second sealing gasket 84. The antenna 82 is disposed in the antenna cover 81. The antenna 82 is electrically connected to the EMS module 42. In addition, the antenna cover 81 has a built-in SIM card (customer identification module) and a memory card, such as an 8G memory card, to achieve real-time communication and data transmission with the development terminal app (application).

[0056] In some embodiments, an emergency stop switch 83 is provided on the outer cover 11, and the emergency stop switch 83 is connected to the charging main board PCB 41. The emergency stop switch 83 can be an emergency stop button, which is plugged into the charging main board PCB 41 to ensure that the power supply is cut off in time in an emergency.

[0057] In some embodiments, Figures 4 to 7 As shown, the grid-side terminal 61 on the bottom end plate 112 of the inverter installation cavity is covered with a waterproof cover 62, a sealing groove is opened in the waterproof cover 62, and a first sealing gasket 63 is embedded therein, which is connected to the bottom end plate 112 to ensure the sealing of the grid-side terminal 61. The grid-side terminal 61 uses a waterproof connector 7 at the wiring harness inlet and outlet position, and the wire passes through the waterproof connector 7 and is connected to the grid-side terminal 61 to ensure the sealing effect. A communication interface 64 is also provided on the bottom end plate 112 of the inverter installation cavity. The communication interface 64 is connected to the inverter 3, and the communication interface 64 is connected to the EMS module 42 through the waterproof connector 7 on the bottom end plate 112 of the inverter installation cavity and the waterproof connector 7 on the partition 111.

[0058] In some embodiments, a photovoltaic terminal 36 is further provided on the bottom end plate 112 , and the photovoltaic terminal 36 is connected to the inverter 3 , and the photovoltaic terminal 36 is used for connecting to an external photovoltaic system.

[0059] In some embodiments, the inverter 3 is connected to a battery terminal 33, which can be used to connect the battery of the energy storage battery cabinet. The battery can be charged by the power grid through the inverter 3, or by the photovoltaic system after the AC is converted into DC through the inverter 3 and then charged.

[0060] The integrated photovoltaic storage and charging device of the utility model can be installed on the ground or on the wall. Figures 1 to 3 A ground installation method is provided, in which a ground installation bracket 91 is assembled on the back plate 12 to achieve ground installation. Fig. 9 and Fig.10 A wall mounting method is provided, and a wall mounting bracket 92 is assembled on the back plate 12 to achieve wall mounting. The wall mounting bracket 92 can be selected according to the needs of the user, so as to facilitate the user to assemble and install the device.

[0061] In order to better understand the technical concept of the present invention, the preferred technical solution of the present invention is described below in combination with relatively comprehensive technical features.

[0062] like Figures 1 to 11As shown, the preferred embodiment of the utility model provides a photovoltaic storage and charging integrated machine, including an outer cover 11 and a back plate 12. The outer cover 11 and the back plate 12 are connected to form a cavity. A partition 111 is arranged in the outer cover 11 to divide the cavity into a sealed cavity and an inverter installation cavity. The charging main board PCB41, the EMS module 42 and the first mounting seat 46 are installed on the module mounting plate 4. Auxiliary modules such as fuses, splitters 43, etc. are also directly installed on the module mounting plate 4. The switching power supply 44 and the lightning protection module 45 are positioned on the first mounting seat 46. Second mounting seats 47 are also arranged above and below the lightning protection module 45. The second mounting seat 47 can also be a mounting plate, and can be plugged into the first mounting seat 46 to limit and fix the switching power supply 44 and the lightning protection module 45. The module mounting plate 4 equipped with the above-mentioned functional modules can be assembled into the sealed cavity. The splitter 43 can be connected to the grid-side terminal 61 through a wire passing through the partition 111 and the waterproof connector 7 on the bottom end plate 112 of the inverter installation cavity. The grid-side terminal 61 is used to connect to the external power grid. The splitter 43 outputs a first wire connected to the charging mainboard PCB41, and the splitter 43 outputs a second wire connected to the switching power supply 44. The splitter 43 outputs a third wire connected to the inverter terminal 35 through the waterproof connector 7 on the partition 111 and the waterproof connector 7 on the bottom end plate 112 of the inverter installation cavity. The inverter terminal 35 is then connected to the EPS (emergency power supply) output interface, and the splitter 43 outputs a fourth wire connected to the lightning protection module 45. The grid-side terminal 61 is covered with a waterproof cover 62, a sealing groove is opened in the waterproof cover 62, a first sealing gasket 63 is embedded in the waterproof cover 62, and the waterproof cover 62 is connected to the bottom end plate 112 to ensure the sealing of the grid-side terminal 61. The grid-side terminal 61 uses a waterproof connector 7 for the wiring harness in and out, and the wire passes through the waterproof connector 7 and is connected to the grid-side terminal 61 to ensure the sealing effect. A communication interface 64 is also provided on the bottom end plate 112 of the inverter installation cavity. The communication interface 64 is connected to the inverter 3. The communication interface 64 is connected to the EMS module 42 through the waterproof connector 7 on the bottom end plate 112 of the inverter installation cavity and the waterproof connector 7 on the partition 111. A photovoltaic terminal 36 is also provided on the bottom end plate 112. The photovoltaic terminal 36 is connected to the inverter 3 and is used to connect to an external photovoltaic system. The charging mainboard PCB41 is connected to the charging gun 5 through a wire, and the wire passes through the waterproof connector 7 on the partition 111 and the charging gun terminal 51 on the bottom end plate 112 of the inverter installation cavity to connect the charging mainboard PCB41 to the charging gun 5. A plurality of inverter support frames 32 are arranged in the inverter installation cavity. The inverter support frames 32 are supported on the side of the inverter away from the heat dissipation part. The two ends of the inverter installation bracket 31 bypass the heat dissipation part of the inverter 3 and are fastened to the outer cover 11, so that the inverter support frames 32 cooperate to fix the inverter 3 in the inverter installation cavity.The back plate 12 is fastened to the outer cover 11 by screws. A sealing groove is provided on the upper part of the side of the back plate 12 facing the outer cover 11. A sealing member 121 is arranged in the sealing groove. The sealing member 121 is pressed and fitted with the frame and partition 111 corresponding to the outer cover 11 to form a sealed cavity. A ventilation device is provided on the upper part of the side of the back plate 12 facing the outer cover 11. The ventilation device is connected to the sealed cavity, which can effectively avoid the risk of condensation of the product. An opening is provided on the lower part of the side of the back plate 12 facing the outer cover 11. The heat dissipation part of the inverter 3 extends to the outside of the back plate 12, that is, exposed to the outside of the inverter installation cavity. Among them, the heat dissipation part of the inverter 3 can be a heat sink or other heat dissipation structure, so that the heat dissipation requirements can be met without configuring a separate heat dissipation fan. The structure is simple and can achieve the purpose of reducing installation, use and maintenance costs. The outer cover 1 is provided with an antenna assembly, which includes an antenna outer cover 81, an antenna 82 and a second sealing gasket 84. The antenna outer cover 81 is installed on the outer cover 1 through the second sealing gasket 84, and the antenna 82 is arranged in the antenna outer cover 81. The antenna 82 is electrically connected to the EMS module 42. In addition, the antenna outer cover 81 has a built-in sim card (customer identification module) and a memory card, such as an 8G memory card, to achieve real-time communication and data transmission with the development terminal app (application). The outer cover 11 is provided with an emergency stop switch 83, which can be an emergency stop button, plugged into the charging main board PCB41 to ensure that the power is cut off in time in an emergency.

[0063] like Fig.11 As shown, the photovoltaic storage and charging integrated machine of the utility model is implemented in the following ways: the entire system charging process is managed by the EMS module 42, and charging and discharging are performed to ensure charging efficiency. The terminal user can manage the monitoring data of charging and discharging, set appointments, and other functions through the terminal app. The first charging method is that the power grid directly supplies power to the charging mainboard PCB41, and the current charges the terminal vehicle through the charging gun 5; the second charging method is to supply power to the inverter 3 through the battery, and then supply power to the charging mainboard PCB41, and the current charges the terminal vehicle through the charging gun 5. Among them, the battery charging method of the energy storage battery cabinet can be that the power grid charges the battery through the inverter 3, or the photovoltaic system charges the battery after the AC is converted to DC through the inverter 3.

[0064] The utility model adopts a topological structure of an independently separated sealed cavity. In the sealed cavity, each module is assembled on the module mounting plate 4, and then the entire module mounting plate 4 module is assembled on the front cover 11 and locked. At the same time, the inverter 3 is arranged outside the sealed cavity. The topological structure is simple, and the structure only needs to be partially sealed, which is convenient for sealing structure design and has a good sealing effect. At the same time, there is no need to equip a separate fan for heat dissipation. Only the heat sink of the inverter 3 can meet the heat dissipation requirements, which can reduce the cost of assembly, installation, maintenance, and use, and improve the convenience of user use and operation. In addition, a breathable valve structure is set on the back plate 12 to avoid condensation in low temperature conditions, thereby improving product reliability and life.

[0065] Compatible with floor-mounted installation and wall-mounted installation, it can meet the usage scenario requirements of different users and improve the convenience of user installation and use.

[0066] Equipped with antenna module structure + EMS built-in SIM card + 8GB SD memory card, and equipped with user terminal APP, it is convenient for users to monitor the charging and discharging data and settings in real time. For example, users can set in advance to charge their cars when electricity consumption is low, which can effectively save users' charging costs.

[0067] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, including the combination of various specific technical features in any suitable manner. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations. However, these simple modifications and combinations should also be regarded as the contents disclosed by the present invention and belong to the protection scope of the present invention.

Claims

1. A photovoltaic storage and charging integrated device, characterized in that: The invention comprises an outer cover (11) and a back plate (12), wherein the outer cover (11) and the back plate (12) are connected to form a cavity, and a partition (111) is arranged inside the outer cover (11) to divide the cavity into a sealed cavity for installing a functional module and an inverter installation cavity for installing an inverter (3), and the heat dissipation part of the inverter (3) is exposed outside the inverter installation cavity.

2. The integrated photovoltaic storage and charging device according to claim 1, characterized in that: A sealing groove having a sealing member (121) is provided on the back plate (12) so as to fit with the frame of the outer cover (11) and the partition plate (111) to form the sealed cavity.

3. The integrated photovoltaic storage and charging device according to claim 1, characterized in that: The back plate (12) is provided with an opening so that the heat dissipation part of the inverter (3) is exposed outside the inverter installation cavity.

4. The integrated photovoltaic storage and charging device according to claim 1, characterized in that: A ventilation device is provided on the back plate (12), and the ventilation device is connected to the sealed cavity to avoid condensation in low temperature conditions.

5. The integrated photovoltaic storage and charging device according to claim 1, characterized in that: It also includes an inverter mounting bracket (31), wherein the inverter mounting bracket (31) is fixed to the heat dissipation portion of the inverter (3) and both ends of the inverter mounting bracket (31) are connected to the outer cover (11) so as to mount the inverter (3) in the inverter mounting cavity.

6. The integrated photovoltaic storage and charging device according to claim 5, characterized in that: A plurality of inverter support frames (32) for supporting the inverter (3) are arranged in the inverter installation cavity.

7. The integrated photovoltaic storage and charging device according to any one of claims 1 to 6, characterized in that: A module mounting plate (4) is provided in the sealed cavity, and the module mounting plate (4) is used for mounting the functional module.

8. The integrated photovoltaic storage and charging device according to claim 7, characterized in that: A charging mainboard PCB (41) and an EMS module (42) are mounted on the module mounting plate (4); the charging mainboard PCB (41) and the EMS module (42) are electrically connected; the charging mainboard PCB (41) is connected to a charging gun (5); the EMS module (42) is electrically connected to the inverter (3); and the inverter (3) is electrically connected to the charging mainboard PCB (41).

9. The integrated photovoltaic storage and charging device according to claim 8, characterized in that: The invention also comprises a splitter (43), a switching power supply (44) and a lightning protection module (45), wherein the splitter (43) is mounted on the module mounting plate (4), the switching power supply (44) is mounted on the module mounting plate (4) via a first mounting seat (46), the lightning protection module (45) is mounted on the first mounting seat (46), and second mounting seats (47) are respectively arranged above and below the lightning protection module (45), the charging mainboard PCB (41), the switching power supply (44), the inverter (3) and the lightning protection module (45) are respectively connected to the splitter (43), and the switching power supply (44) is connected to the EMS module (42).

10. The integrated photovoltaic storage and charging device according to claim 9, characterized in that: The splitter (43) is connected to a grid-side connection terminal (61).

11. The integrated photovoltaic storage and charging device according to claim 10, characterized in that: The bottom of the inverter installation cavity is provided with a waterproof cover (62) sleeved on the grid-side wiring terminal (61).

12. The integrated photovoltaic storage and charging device according to claim 11, characterized in that: The charging main board PCB (41) and the charging gun (5) are connected via a wire passing through a waterproof connector (7) on the partition (111) and a charging gun terminal (51) on the bottom end plate (112) of the inverter installation cavity; the charging gun terminal (51) includes a waterproof connector; the grid-side terminal (61) and the splitter (43) are connected via a wire passing through the partition (111) and the waterproof connector (7) on the bottom end plate (112) of the inverter installation cavity; and the EMS module (42) and the inverter (3) are connected via a wire passing through the waterproof connector (7) on the partition (111).

13. The integrated photovoltaic storage and charging device according to claim 8, characterized in that: An antenna component is provided on the outer cover (11), and the antenna component is electrically connected to the EMS module (42).

14. The integrated photovoltaic storage and charging device according to claim 13, characterized in that: The antenna assembly comprises an antenna cover (81) and an antenna (82), wherein the antenna cover (81) is mounted on the cover (11), the antenna (82) is arranged in the antenna cover (81), and the antenna (82) is electrically connected to the EMS module (42).

15. The integrated photovoltaic storage and charging device according to claim 8, characterized in that: An emergency stop switch (83) is provided on the outer cover (11), and the emergency stop switch (83) is connected to the charging main board PCB (41).

16. The integrated photovoltaic storage and charging device according to any one of claims 1 to 6, characterized in that: The inverter (3) is connected to a battery connection terminal (33).

17. The integrated photovoltaic storage and charging device according to any one of claims 1 to 6, characterized in that: The back plate (12) is connected to a ground mounting bracket (91) or a wall mounting bracket (92).

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