CN222763641U - Photovoltaic storage integrated module and integrated power supply system - Google Patents
Photovoltaic storage integrated module and integrated power supply system Download PDFInfo
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- CN222763641U CN222763641U CN202420751084.1U CN202420751084U CN222763641U CN 222763641 U CN222763641 U CN 222763641U CN 202420751084 U CN202420751084 U CN 202420751084U CN 222763641 U CN222763641 U CN 222763641U
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Abstract
The utility model provides an optical storage integrated module and an integrated power supply system, which comprise a shell, wherein a first cavity and a second cavity are arranged in the shell in a left-right dividing mode, a wiring window is arranged at the top of the second cavity, a DC/DC module and a photovoltaic module are arranged in the first cavity, a power distribution module, a photovoltaic wiring port, a bus positive wiring port, a bus negative wiring port, a battery positive wiring port and a battery negative wiring port are arranged in the front space of the second cavity, and an integrated energy control module is arranged above/below the first cavity and/or the second cavity. The optical storage integrated module and the comprehensive power supply system have the advantages of high power density, high field module assembly and wiring efficiency, convenient wiring, convenient maintenance, complete functions and high integration level.
Description
Technical Field
The utility model relates to the field of power supplies, in particular to a direct current coupled light storage integrated module and a comprehensive power supply system.
Background
Along with popularization and popularization of new energy, the light storage integrated module is increasingly applied to the field of power sources, and the light storage integrated module is an integrated solution combining a photovoltaic power generation system and an energy storage system. The module is integrated with the solar photovoltaic power generation and electric energy storage, photovoltaic power generation and energy storage are combined, and the part of the photovoltaic power generation energy which is more than the load consumption can be absorbed by the energy storage battery, so that the construction capacity of the photovoltaic power can be enlarged, and the duty ratio of the green power is improved. The light storage integrated module has wide application fields, can be used for energy supply in families, businesses, industries and remote areas, and particularly provides a reliable, clean and sustainable energy solution in areas where a power grid is unstable or lacks an electric power infrastructure. In addition, it can also combine with electric automobile charging station etc. to form light and store up and fill integration system, further improves energy utilization efficiency.
The light storage integrated module can be divided into an alternating current coupled light storage integrated system and a direct current coupled light storage integrated system, compared with the alternating current coupled light storage integrated system, the direct current coupled light storage integrated system omits a DC/AC inverter, meanwhile, photovoltaic power generation also omits energy loss caused by the two links of the DC/AC inverter and the AC/DC rectifier, and the conversion efficiency of the system is improved.
The direct current coupled light storage integrated system at least comprises a photovoltaic module MPPT unit and a bidirectional direct current DC/DC unit. The field photovoltaic wiring of the MPPT unit, the field battery wiring of the bidirectional direct current DC/DC unit, the wiring between the MPPT unit, the bidirectional DC/DC and the direct current bus, and the like are involved in field installation, and the field wiring is complex and time-consuming. How to reasonably layout, integrate the optical storage integrated system into one module, thereby improving the power density of the module and the assembly and wiring efficiency of the field module, and becoming one of the problems to be solved by the technicians in the field.
It should be noted that the foregoing description of the background art is only for the purpose of providing a clear and complete description of the technical solution of the present utility model and is presented for the convenience of understanding by those skilled in the art. The above-described solutions are not considered to be known to the person skilled in the art simply because they are set forth in the background of the utility model section.
Disclosure of utility model
In view of the above-mentioned drawbacks of the prior art, the present utility model is directed to an integrated optical storage module and an integrated power system, which are used for solving the problems of complex field wiring, time consumption and the like of the integrated optical storage system with dc coupling in the prior art.
To achieve the above and other related objects, the present utility model provides an optical storage integrated module, which at least includes:
The device comprises a shell, a power distribution module, a bus positive wiring port, a bus negative wiring port, a battery positive wiring port, a battery negative wiring port, a comprehensive energy control module, a DC/DC module, M groups of photovoltaic wiring ports and M groups of photovoltaic modules, wherein M is a natural number greater than or equal to 1;
The longitudinal partition plate in the shell is divided into a first cavity and a second cavity which are arranged left and right in the shell, and a wiring window is arranged on the top shell of one side of the second cavity, which is close to the front side of the shell;
The DC/DC module and the photovoltaic module are arranged in the first cavity and face to the right front of the shell;
The power distribution module, the photovoltaic wiring port, the bus positive wiring port, the bus negative wiring port, the battery positive wiring port and the battery negative wiring port are arranged in the front space of the second chamber and all face to the front of the shell;
the bus positive wiring port is electrically connected with the input end positive electrode of the DC/DC module and the output end positive electrode of the rear end of each photovoltaic module, and the bus negative wiring port is electrically connected with the input end negative electrode of the DC/DC module and the output end negative electrode of the rear end of each photovoltaic module; the power distribution module is connected between the bus positive wiring port and the positive electrode of the input end of the DC/DC module, or between the bus negative wiring port and the negative electrode of the input end of the DC/DC module;
The power distribution module is also connected between the battery positive wiring port and the positive electrode of the output end of the DC/DC module or between the battery negative wiring port and the negative electrode of the output end of the DC/DC module;
each photovoltaic wiring port corresponds to each photovoltaic module one by one and is electrically connected with the input end of the rear end of the corresponding photovoltaic module;
The integrated energy control module is arranged above the first cavity and/or the second cavity, or arranged below the first cavity and/or the second cavity, and is used for controlling the module inside the light storage integrated module.
Optionally, the connection ports are arranged in a step shape, and the connection ports are positioned lower nearer to the front face of the housing.
More optionally, the bus positive connection port and the bus negative connection port are set as connection terminals, the battery connection port led out by the power distribution module is realized based on the input end of the power distribution module, and the battery connection port directly connected with the output end of the DC/DC module is set as a connection row.
Optionally, the input end of the DC/DC module is disposed at the rear of the self module, and the output end of the DC/DC module is disposed at the front or rear of the self module.
Optionally, the optical storage integrated module further comprises a voltage reduction module, a current sampling device and a direct current ammeter;
The voltage reduction module is arranged in the rear space of the second chamber, and the input end of the voltage reduction module is electrically connected with the direct current bus;
The direct current meter is arranged in the front space of the second chamber, and electric energy is obtained from the voltage reduction module;
the current sampling device is arranged in the rear space of the second chamber, samples current flowing through the direct current bus, and transmits a sampling signal to the direct current ammeter.
More optionally, the current sampling means is implemented based on a shunt or hall sensor.
More optionally, the integrated optical storage module further includes a remote monitoring module, where the remote monitoring module is disposed in a rear space of the second chamber, obtains electric energy from the voltage reduction module, and is electrically connected to the integrated energy control module, the dc ammeter, or each photovoltaic module.
More optionally, the integrated optical storage module further comprises a display screen, wherein the display screen is embedded on a cabinet door of the second chamber, and the display screen is electrically connected with the integrated energy control module.
More optionally, the DC-DC module includes at least two DC conversion units, and input ends of the DC conversion units are connected in parallel.
Optionally, the integrated photovoltaic storage module further comprises M groups of photovoltaic lightning protection modules corresponding to the photovoltaic modules one by one, one end of each photovoltaic lightning protection module is connected with the input end of the corresponding photovoltaic module, the other end of each photovoltaic lightning protection module is grounded, the photovoltaic lightning protection module is arranged in the front space of the second chamber and is positioned in the wiring window, or the photovoltaic lightning protection module is arranged in the rear space of the second chamber.
More optionally, the integrated photovoltaic module further comprises M groups of photovoltaic wiring buses corresponding to the photovoltaic modules one by one, the photovoltaic modules and the photovoltaic lightning protection modules are connected to the photovoltaic wiring ports through the corresponding photovoltaic wiring buses, and the photovoltaic wiring buses are located in the rear space of the second chamber.
Optionally, the integrated optical storage module further comprises a capacitor module, and the capacitor module is located in the rear space of the second cavity and connected with the output end of the corresponding photovoltaic module.
To achieve the above and other related objects, the present utility model also provides an integrated power supply system, including at least:
The photovoltaic module comprises a power conversion module, a photovoltaic module, a plurality of battery modules and the light storage integrated module;
The positive electrode of the output end of the power supply conversion module is electrically connected with the positive wiring port of the bus of the light storage integrated module, and the negative electrode of the output end of the power supply conversion module is electrically connected with the negative wiring port of the bus of the light storage integrated module;
Each battery module is connected with a corresponding battery positive wiring port and a corresponding battery negative wiring port in the light storage integrated module;
The photovoltaic module is connected with a photovoltaic wiring port of the light storage integrated module;
And the light storage integrated module controls the charge and discharge of each battery module and controls the photovoltaic module to supply power for a load.
Optionally, a remote monitoring module is further arranged in the optical storage integrated module, and the comprehensive power supply system further comprises an upper computer which is communicated with the remote monitoring module and realizes remote monitoring.
As described above, the light storage integrated module and the comprehensive power supply system have the following beneficial effects:
1. The light storage integrated module and the comprehensive power supply system uniformly assemble the separated unit modules, fully utilize the space of the cabinet body, arrange the parts which need to be operated or replaced by a user in the front space, and arrange the parts which do not need to be operated and replaced by the user in the rear space, thereby improving the power density of the module and improving the assembly and wiring efficiency of the field module.
2. The optical storage integrated module and the comprehensive power supply system are characterized in that each wiring port is arranged in the front space of the second cavity, and wiring with the outside is realized through the wiring window, so that the wiring complexity is simplified, and the maintenance is convenient.
3. The light storage integrated module and the battery positive wiring port and the battery negative wiring port of the integrated power system adopt the wiring row to realize the switching of the internal circuit, thereby further simplifying the wiring complexity and facilitating the maintenance.
4. The light storage integrated module and the integrated power supply system are provided with the current sampling device, the direct current ammeter, the bypass module, the remote monitoring module and other expansion modules, and are complete in function and high in integration level.
Drawings
Fig. 1 is a schematic front view of an optical storage module according to the present utility model.
Fig. 2 is a schematic top view of the optical storage module according to the present utility model.
Fig. 3 is a schematic front view of the integrated optical storage module according to the present utility model, with the front panel removed.
Fig. 4 is a schematic top view of the light storage module according to the present utility model with the top panel removed.
Fig. 5 is a schematic perspective view of an integrated optical storage module according to the present utility model.
Fig. 6 is a schematic circuit diagram of an integrated optical storage module according to the present utility model.
Fig. 7 is a schematic circuit diagram of the integrated power system according to the present utility model.
Description of element reference numerals
1. Optical storage integrated module
10. Shell body
101. First chamber
102. A second chamber
10A longitudinal separator
10B wiring window
10C cabinet door
11. Power distribution module
12A bus positive wiring port
12B bus negative wiring port
12C battery positive wiring port
12D battery negative wiring port
12E photovoltaic wiring port
12F bus positive busbar
12G bus bar negative bus bar
12H bus lightning protection module
13. Comprehensive energy control module
14 DC/DC module
15. Photovoltaic module
15A photovoltaic control module
15B light Fu Fanglei module
16. Step-down module
17A current sampling device
17B DC ammeter
18. Remote monitoring module
19. Display screen
2. Power conversion module
3. Photovoltaic module
4. Battery module
5. Photovoltaic lightning protection combiner box
6. Load(s)
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.
Please refer to fig. 1-7. It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.
As shown in fig. 1 to 7, the present utility model provides an optical storage integrated module 1, which includes:
The power distribution system comprises a shell 10, a power distribution module 11, a bus positive wiring port 12a, a bus negative wiring port 12b, a battery positive wiring port 12c, a battery negative wiring port 12d, a comprehensive energy control module 13, a DC/DC module 14, M groups of photovoltaic wiring ports 12e and M groups of photovoltaic modules 15, wherein M is a natural number greater than or equal to 1.
As shown in fig. 1 to 5, the housing 10 is used for integrating each unit module in the integrated optical storage module, a longitudinal partition 10a in the housing 10 divides a first chamber 101 and a second chamber 102 which are arranged left and right in the housing 10, and a wiring window 10b is arranged on a top housing of the second chamber 102 near one side of the front surface of the housing.
Specifically, in this embodiment, the housing 10 has a rectangular parallelepiped structure, and includes six panels, namely a front panel (i.e. a cabinet door 10c as shown in fig. 1), a rear panel, a left panel, a right panel, a top panel, and a bottom panel, and a wiring window 10b is provided on the top panel at a position close to the front panel as shown in fig. 2. In practical use, the shape of the housing 10 can be set according to practical needs, and is not limited to the present embodiment.
In the present utility model, the longitudinal partition 10a does not completely partition the space inside the casing 10, and may substantially separate two spaces that are distributed in the left-right direction. As an example, the lower end of the longitudinal partition 10a is disposed on the bottom panel inside the casing 10, and a preset distance exists between the upper end and the top panel inside the casing 10, where the preset distance is used for disposing the integrated energy control module 13, and in actual use, the longitudinal partition 10a may also be disposed on the top panel, and a preset distance exists between the longitudinal partition and the bottom panel, and meanwhile, the integrated energy control module 13 is disposed at the lower part inside the casing 10, which is not described herein.
As shown in fig. 3, the DC/DC module 14 and the photovoltaic module 15 are disposed in the first chamber 101 and face the front of the housing 10.
Specifically, in the present embodiment, the DC/DC module 14 is disposed in the lower space of the first chamber 101, the photovoltaic modules 15 are disposed in the upper space of the first chamber 101, in the present example, the number of photovoltaic modules 15 is set to 2 groups, and 2 groups of photovoltaic modules 15 are disposed side by side on the DC/DC module 14, and in actual use, the number of photovoltaic modules 15 can be configured as required, not limited to the present example. The positions of the DC/DC module 14 and the photovoltaic module 15 are also interchangeable, and are not described in detail herein.
Specifically, the input end of the DC/DC module 14 is disposed at the rear of the self module, and the output end of the DC/DC module 14 is disposed at the front or rear of the self module. In this example, the input and output terminals of the DC/DC module 14 are disposed at the rear to reduce wiring at the front and achieve hot plug. In this embodiment, the DC/DC module 14 includes at least two DC conversion units, wherein the input ends of the DC conversion units are connected in parallel, and the output ends of the DC conversion units can be connected to a group of battery modules respectively or connected to the same group of battery modules after being connected in parallel, and the DC/DC conversion units are set according to actual use requirements.
Specifically, the input end and the output end of the photovoltaic module 15 are both disposed at the back of the self module, so as to reduce wiring in front of the self module and achieve the effect of hot plug.
As shown in fig. 3, the integrated energy control module 13 is disposed above the first chamber 101 and/or the second chamber 102 or below the first chamber 101 and/or the second chamber 102, and is used for controlling the module inside the integrated optical storage module 1, and is used for optimizing the operation of the whole integrated optical storage module 1, including the distribution, the dispatching and the storage strategies of energy so as to achieve the maximization of energy utilization and the optimization of cost.
Specifically, in the present embodiment, the integrated energy control module 13 is disposed above the first chamber 101 and the second chamber 102 and is located in the front space of the chambers. The modules controlled by the integrated energy control module 13 include, but are not limited to, a DC/DC module 14, which can be configured as required, and are not described in detail herein.
As another implementation manner of the present utility model, the integrated photovoltaic module 1 further includes a photovoltaic control module 15a, where the photovoltaic control module 15a is disposed in the rear space of the second chamber 102. As shown in fig. 6, one end of the photovoltaic control module 15a is connected to the integrated energy control module 13 (not shown in fig. 6 for brevity), and the other end is connected to and controls each photovoltaic module 15, and the control signals output by the integrated energy control module 13 are summarized and transmitted to each photovoltaic module 15, and the information of each photovoltaic module 15 is summarized and transmitted to the integrated energy control module 13.
As shown in fig. 3, the power distribution module 11, the bus positive connection port 12a, the bus negative connection port 12b, the battery positive connection port 12c, the battery negative connection port 12d, and the photovoltaic connection port 12e are disposed in the front space of the second chamber 102, all facing the front face of the housing 10, and the bus positive connection port 12a, the bus negative connection port 12b, the battery positive connection port 12c, the battery negative connection port 12d, and the photovoltaic connection port 12e are located in the connection window 10 b.
Specifically, as shown in fig. 6, the bus positive connection port 12a is electrically connected to the positive input terminal of the DC/DC module 14 and the positive output terminal of each photovoltaic module 15, the bus negative connection port 12b is electrically connected to the negative input terminal of the DC/DC module 14 and the negative output terminal of each photovoltaic module 15, the power distribution module 11 is connected between the bus positive connection port 12a and the positive input terminal of the DC/DC module 14 or between the bus negative connection port 12b and the negative input terminal of the DC/DC module 14, and in this example, the power distribution module 11 is connected between the bus negative connection port 12b and the negative input terminal of the DC/DC module 14. The battery positive connection port 12c is electrically connected with the positive pole of the corresponding output end of the DC/DC module 14, the battery negative connection port 12d is electrically connected with the negative pole of the corresponding output end of the DC/DC module 14, the power distribution module 11 is also connected between the battery positive connection port 12c and the positive pole of the output end of the DC/DC module 14 or between the battery negative connection port 12d and the negative pole of the output end of the DC/DC module 14, and in this example, the power distribution module 11 is connected between the battery negative connection port 12d and the negative pole of the output end of the DC/DC module 14. Each photovoltaic connection port 12e corresponds to each photovoltaic module 15 one by one, and is electrically connected to the input end of the corresponding photovoltaic module 15 (the positive electrode and the negative electrode of the input end of each photovoltaic module 15 are respectively connected to the corresponding photovoltaic connection port 12 e).
Specifically, in the present embodiment, the bus positive connection port 12a is electrically connected to the internal device of the optical storage integrated module 1 through the bus positive bus bar 12f, the bus negative connection port 12b is electrically connected to the internal device of the optical storage integrated module 1 through the bus negative bus bar 12g, and the switching is realized through the bus bar, so as to simplify the wiring complexity.
Specifically, in the present embodiment, the bus positive connection port 12a and the bus negative connection port 12b are implemented by connection terminals, the battery connection port (in this example, the battery negative connection port 12 d) directly connected to the output terminal of the DC/DC module 14 is implemented by connection bars (copper bars), and the battery connection port (in this example, the battery positive connection port 12 c) led out through the power distribution module is implemented based on the input port of the power distribution module 11, that is, the external battery positive electrode is directly electrically connected to the output terminal of the internal DC/DC module 14 through the power distribution module 11 by a wire. In actual use, each port can be configured into a corresponding type based on actual needs, and the introduction of external wiring can be realized, which is not described in detail herein.
Specifically, in the present embodiment, the wiring ports are arranged in a stepwise manner, and the wiring port position closer to the front face of the housing is lower, thereby facilitating wiring from the wiring window 10 b. As an example, as shown in fig. 3, the bus positive connection port 12a and the bus negative connection port 12b are arranged side by side (in actual use, they may be arranged up and down), and are respectively connected with the external direct current bus positive terminal and the direct current bus negative terminal through the connection window 10b, the battery negative connection port 12d and the photovoltaic connection port 12e are arranged side by side (in actual use, they may be arranged up and down), and are respectively connected with the external battery negative terminal and the output terminal of the photovoltaic module through the connection window 10b, and the distribution module 11 corresponding to the battery positive connection port 12c is located at the front lower side of the side by side structure of the battery negative connection port 12d and the photovoltaic connection port 12e, and the side by side structure of the battery negative connection port 12d and the photovoltaic connection port 12e is located at the front lower side of the side by side structure of the bus positive connection port 12a and the bus negative connection port 12 b. In practical use, the positions of the ports can be adjusted as required, so that the ports are exposed in the wiring window 10b, and wiring is facilitated, which is not limited by the embodiment.
Specifically, in this embodiment, the power distribution module 11 is a circuit breaker or a fuse, and in actual use, any device that can break a circuit when the current is too large to realize a protection function is applicable, including but not limited to air devices and ceramic devices, which are not described in detail herein.
As another implementation manner of the present utility model, the integrated optical storage module 1 further includes a voltage step-down module 16, a current sampling device 17a, and a dc ammeter 17b. As shown in fig. 5, the voltage step-down module 16 is disposed in the rear space of the second chamber 102, and has an input terminal electrically connected to the dc bus for step-down the bus voltage (for example, converting 48V dc voltage to 24V dc voltage), and in this example, the positive terminal of the voltage step-down module 16 is connected to the bus positive connection port 12a and the negative terminal of the voltage step-down module 16 is connected to the bus negative connection port 12b via the power distribution module 11. As shown in fig. 3, a dc electric meter 17b is disposed in the front space of the second chamber 102, and obtains electric energy from the voltage step-down module 16, and as an example, the dc electric meter 17b is also used to display the voltage value sampled by the voltage step-down module 16. As shown in fig. 4, the current sampling device 17a is disposed in the rear space of the second chamber 102, samples the current flowing through the dc bus, and transmits a sampling signal to the dc ammeter 17b to display the sampled current information, and any device capable of implementing current sampling is suitable for the present utility model, as an example, the current sampling device 17a is implemented based on a current divider or a hall sensor. In addition, the voltage reducing module 16 supplies power to the integrated energy control module 13, if the voltage reducing module 16 is not configured, the integrated energy control module 13 obtains electric energy from the direct current bus, and the direct current ammeter 17b is also connected with the integrated energy control module 13 and is used for transmitting voltage and current information to the integrated energy control module 13.
Further, as another implementation manner of the present utility model, the integrated optical storage module 1 further includes a remote monitoring module 18, where the remote monitoring module 18 is disposed in the rear space of the second chamber 102, obtains electric energy from the voltage step-down module 16, and is electrically connected to the integrated energy control module 13, the dc electric meter 17b and/or each photovoltaic module 15, and is used for providing real-time monitoring and data recording of the operation state of the integrated optical storage module 1. In this example, the remote monitoring module 18 communicates with an external remote host APP, transmits information of the dc ammeter 17b, and implements remote monitoring of each photovoltaic module 15, so as to facilitate remote monitoring and management by operation and maintenance personnel.
Further, as another implementation manner of the present utility model, the integrated optical storage module 1 further includes a display screen 19, as shown in fig. 1, where the display screen 19 is embedded in a cabinet door of the second chamber 102. As shown in fig. 6, the display screen 19 is electrically connected to the integrated energy control module 13, and is used for displaying status information of the integrated optical storage module 1.
As another implementation manner of the present utility model, the integrated optical storage module 1 further includes M groups of optical Fu Fanglei modules 15b corresponding to each of the photovoltaic modules 15 one by one. As shown in fig. 6, two ends of each photovoltaic lightning protection module 15b are respectively connected to the positive electrode and the negative electrode of the input end of the corresponding photovoltaic module 15, and one of the positive electrode and the negative electrode of the input end of each photovoltaic module 15 is grounded (cabinet ground line PE). As shown in fig. 3, the light Fu Fanglei module 15b is disposed in the front space of the second chamber 102 and is located in the wiring window 10b, and in actual use, the light Fu Fanglei module 15b may also be disposed in the rear space of the second chamber 102. Further for convenience of wiring, the integrated photovoltaic module 1 further includes M groups of photovoltaic wiring buses (not shown) corresponding to each of the photovoltaic modules 15 one by one, the photovoltaic modules 15 and the photovoltaic lightning protection modules 15b are connected to the photovoltaic wiring ports 12e via the corresponding photovoltaic wiring buses, and each of the photovoltaic wiring buses is located in the rear space of the second chamber 102. Further, the integrated optical storage module 1 further includes a capacitor module (not shown) located in the rear space of the second chamber 102 and connected to the output end of the corresponding photovoltaic module 15, for reducing the fluctuation of solar energy and the fluctuation of the bus voltage generated by the photovoltaic control module 15 a.
As another implementation manner of the present utility model, the integrated optical storage module 1 further includes a bus lightning protection module 12h, as shown in fig. 4 and 5, where the bus lightning protection module 12h is disposed in the rear space of the second chamber 102, and has one end connected to the bus negative bus bar 12g and the other end connected to the bus positive bus bar 12f (and connected to the cabinet ground bar PE), and is used for protecting devices connected to the bus from lightning. In actual use, the busbar lightning protection module 12h may also be disposed in the front space of the second chamber 102, which is not described herein.
As shown in fig. 7, the present utility model further provides an integrated power supply system, including:
The photovoltaic module comprises a light storage integrated module 1, a power conversion module 2, a photovoltaic module 3 and a plurality of battery modules 4.
As shown in fig. 7, the positive electrode of the output end of the power conversion module 2 is electrically connected to the positive bus connection port 12a of the integrated optical storage module 2, and the negative electrode of the output end is electrically connected to the negative bus connection port 12b of the integrated optical storage module 1. In this example, the power conversion module 2 adopts an AC/DC module to convert AC220V into DC power and sink it to a DC bus, or convert DC generated by the photovoltaic module 3 into AC for use by a load or for incorporation into a power grid.
As shown in fig. 7, each battery module 4 is connected to a corresponding battery positive connection port 12c and a corresponding battery negative connection port 12b in the integrated optical storage module 1, and is used for storing electric energy generated by the photovoltaic module 3, and typically a lithium ion battery, a lead-acid battery or other types of rechargeable batteries are used. The battery module 4 can store excessive electric energy when the solar energy generating capacity exceeds the instant demand, and release electric energy when the demand is high or the illumination is insufficient. The number of battery modules 4 is 1 or more and can be arranged as needed. Each battery module 4 is connected to each DC conversion unit in the DC/DC module 14 (in the optical storage integrated module 1) in a one-to-one correspondence manner, or one battery module 4 is connected to the output ends of two or more DC conversion units in parallel, which is not described in detail herein.
As shown in fig. 7, the photovoltaic module 3 is connected to the photovoltaic connection port 12e of the integrated photovoltaic module 1, and is used for converting solar energy into electric energy and providing the electric energy to the integrated photovoltaic module 1. As an example, a photovoltaic lightning protection junction box 5 is also connected in series between the photovoltaic module 3 and the photovoltaic connection terminal 12 e.
As shown in fig. 7, the light storage integrated module 1 controls the charge and discharge of each battery module 4, and controls each photovoltaic module 3 to supply power to the load 6.
As another implementation manner of the utility model, when the remote monitoring module 18 is arranged in the optical storage integrated module 1, the integrated power system further comprises an upper computer (not shown in the figure), and the upper computer communicates with the remote monitoring module 18 so as to perform remote monitoring.
In summary, the utility model provides an integrated optical storage module and an integrated power supply system, comprising a shell, a power distribution module, a bus positive wiring port, a bus negative wiring port, a battery positive wiring port, a battery negative wiring port, an integrated energy control module, a DC/DC module, M groups of photovoltaic wiring ports and M groups of photovoltaic modules, wherein M is a natural number greater than or equal to 1; the vertical partition board in the shell divides a first cavity and a second cavity which are arranged left and right in the shell, a wiring window is arranged on the top shell, which is close to one side of the front face of the shell, of the second cavity, the DC/DC module and the photovoltaic module are arranged in the first cavity and face to the front face of the shell, the power distribution module, the photovoltaic wiring port, the bus positive wiring port, the bus negative wiring port, the battery positive wiring port and the battery negative wiring port are arranged in the front space of the second cavity and face to the front face of the shell, the photovoltaic wiring port, the bus positive wiring port, the bus negative wiring port, the battery positive wiring port and the battery negative wiring port are arranged in the wiring window, the bus positive wiring port is electrically connected with the input end positive electrode of the DC/DC module and the output end positive electrode of the rear end of the photovoltaic module, the bus negative wiring port is electrically connected with the input end negative electrode of the DC/DC module and the output end negative electrode of the rear end of the photovoltaic module, the power distribution module is connected between the bus positive wiring port and the input end positive electrode of the DC/DC module or between the bus negative wiring port and the input end positive electrode of the DC/DC module or the output end of the battery positive wiring port and the output end of the DC module is correspondingly electrically connected with the output end of the DC/DC module, the power distribution module is also connected between the positive wiring port of the battery and the positive electrode of the output end of the DC/DC module or between the negative wiring port of the battery and the negative electrode of the output end of the DC/DC module, each photovoltaic wiring port corresponds to each photovoltaic module one by one and is electrically connected with the input end of the rear end of the corresponding photovoltaic module, and the comprehensive energy control module is arranged above the first cavity and/or the second cavity or below the first cavity and/or the second cavity and controls the module inside the light storage integrated module. The utility model has high power density, high on-site module assembly and wiring efficiency, simplified wiring complexity, convenient maintenance, complete functions and high integration level. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (14)
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| CN202420751084.1U CN222763641U (en) | 2024-04-11 | 2024-04-11 | Photovoltaic storage integrated module and integrated power supply system |
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| CN202420751084.1U CN222763641U (en) | 2024-04-11 | 2024-04-11 | Photovoltaic storage integrated module and integrated power supply system |
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