CN217486209U - Container formula photovoltaic energy storage system - Google Patents
Container formula photovoltaic energy storage system Download PDFInfo
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- CN217486209U CN217486209U CN202220921290.3U CN202220921290U CN217486209U CN 217486209 U CN217486209 U CN 217486209U CN 202220921290 U CN202220921290 U CN 202220921290U CN 217486209 U CN217486209 U CN 217486209U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The utility model provides a container type photovoltaic energy storage system, which comprises a battery energy storage module, a central control module, an energy storage converter, a photovoltaic DCDC converter, an air conditioner temperature control unit and a monitoring alarm unit which are integrated and arranged in a box body; wherein: the battery energy storage module is electrically connected with the central control module and is formed by connecting a plurality of battery cell units in series and in parallel in a first cavity at the front end of the box body; the central control module is electrically connected with each functional module respectively; the energy storage converter and the photovoltaic DCDC converter are respectively and electrically connected with the central control module and are arranged in a third cavity at the rear end of the box body; the air conditioner temperature control unit and the monitoring alarm unit are respectively and electrically connected with the central control module. The utility model discloses with each functional module integration in a container, showing and having improved on-the-spot installation and debugging efficiency and managerial efficiency, both improved the installation of equipment, debugging and routine maintenance's convenience simultaneously to improve ventilation cooling efficiency, reduced the conflagration risk.
Description
Technical Field
The utility model relates to a photovoltaic energy storage technology field especially relates to a container formula photovoltaic energy storage system.
Background
Energy storage is an important component and key technology of smart power grids, renewable energy systems and energy internet, and in recent years, with the outbreak of large-scale energy storage market application and the large-scale development of smart power grids, with the development of smart power grid construction, the demand of battery energy storage is continuously increased. The battery energy storage system has the advantages of peak clipping and valley filling, emergency standby, improvement of electric energy quality and the like. Meanwhile, the application requirements of battery energy storage are continuously increased, the construction is fast, the movable and other characteristics become new requirements of demanders for energy storage systems, and container type energy storage is produced at the same time. Along with the continuous increase of container formula energy storage system scale and complexity, the control requirement to electric energy storage also improves constantly.
At present in mobile container energy storage system, the producer adopts the low voltage group battery more, and use the cable conductor to concatenate each group battery, thereby reach the charge and discharge function of a plurality of group batteries, improve the voltage of dc-to-ac converter input, but when each group battery is connected to a plurality of universal stubs, there may be the potential safety hazard in the line nose of stub is handled, too much tie point easily causes contact resistance too big, there is the danger of generating heat, under the circumstances that photovoltaic generated energy sharply increases, in case the heat that photovoltaic energy storage system equipment or battery system equipment released is too high, can't reach corresponding heat dissipation environment in the container, cause the conflagration easily, cause whole energy storage system to have very big potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: to the defects of the prior art, a container type photovoltaic energy storage system is provided.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:
the utility model provides a container type photovoltaic energy storage system, which comprises a battery energy storage module, a central control module, an energy storage converter, a photovoltaic DCDC converter, an air conditioner temperature control unit and a monitoring alarm unit which are integrated and arranged in a box body; wherein:
the battery energy storage module is electrically connected with the central control module and is formed by connecting a plurality of battery cell units in series and in parallel in a first cavity at the front end of the box body, and the front side wall of the battery energy storage module is provided with a first switch door;
the central control module is respectively and electrically connected with the battery energy storage module, the energy storage converter, the photovoltaic DCDC converter, the air conditioner temperature control unit and the monitoring alarm unit, is arranged in a second cavity at one side of the rear end of the box body, and is provided with a second switch door on the side wall;
the energy storage converter and the photovoltaic DCDC converter are respectively and electrically connected with the central control module, are arranged in a third cavity at the rear end of the box body, and are respectively provided with a third switch door and a fourth switch door on the left side wall and the rear side wall;
the air conditioner temperature control unit and the monitoring alarm unit are respectively electrically connected with the central control module, and the air conditioner temperature control unit and the monitoring alarm unit are arranged on the back of the first switch door.
Furthermore, on the container type photovoltaic energy storage system, the inner cavity of the box body is divided into the first cavity, the second cavity and the third cavity through a first partition plate and a second partition plate, the first partition plate is located in the middle of the inner cavity, and the second partition plate is vertically arranged on one side wall of the first partition plate.
Furthermore, on the container type photovoltaic energy storage system, the battery energy storage module further comprises a battery support, the battery support is arranged right opposite to the air conditioner temperature control unit and the monitoring alarm unit, and a plurality of battery cell units are placed on the battery support.
Further, on the container type photovoltaic energy storage system, the central control module comprises an energy management unit EMS and a battery management unit BMS, the battery management unit BMS is electrically connected with the plurality of cell units, and the energy management unit EMS is electrically connected with the energy storage converter and the photovoltaic DCDC converter.
Furthermore, on the container type photovoltaic energy storage system, the air conditioner temperature control unit is arranged at the back of the left cabinet door of the first opening and closing door, and a fresh air port communicated with the air conditioner temperature control unit is formed in the left cabinet door of the first opening and closing door.
Further, container formula photovoltaic energy storage system on, monitoring alarm unit including set up in first cavity inner wall and respectively with smoke transducer, temperature sensor, humidity transducer and audible-visual annunciator that the central control module electricity is connected, just audible-visual annunciator inlays to be located on the cabinet door on first switch door right side.
Further, container formula photovoltaic energy storage system on, still include intelligent fire control unit, intelligent fire control unit is including jar and a plurality of nozzle of going out, the jar that goes out connects a plurality ofly through the solenoid valve through the hose the nozzle, the jar that goes out set up in the second cavity, a plurality of the nozzle set up in the first cavity.
Further, container formula photovoltaic energy storage system on, still include radiator fan, radiator fan is a plurality of, top-down set up in third switch door and/or on the fourth door of closing.
Further, container formula photovoltaic energy storage system on, still include intelligent terminal, intelligent terminal passes through communication unit and connects central control module, intelligent terminal is smart mobile phone, panel computer or notebook.
Further, on container formula photovoltaic energy storage system, still include the cloud ware, the cloud ware passes through the communication unit and connects central control module.
The utility model adopts the above technical scheme, compare with prior art, have following technological effect:
the utility model discloses a container formula photovoltaic energy storage system, with central control module, EMS control system, energy storage converter PCS, photovoltaic DC-DC converter and battery energy storage module integration in a container, the electric quantity that battery energy storage module stored can automatic switch over and transmit to load or electric wire netting, is showing and is improving on-the-spot installation debugging efficiency and management efficiency, has both improved the convenience of the installation of equipment, debugging and routine maintenance simultaneously, need not to reserve the pavement in the box again, has improved the space utilization of container; in addition, the battery energy storage module, the energy storage converter PCS and the photovoltaic DC-DC converter are respectively arranged in two independent cavities and are respectively cooled through the air conditioner temperature control unit and the cooling fan, so that the ventilation and heat dissipation efficiency of the whole energy storage system is greatly improved, and the fire risk is reduced.
Drawings
Fig. 1 is a schematic perspective view of a container-type photovoltaic energy storage system of the present invention;
fig. 2 is a schematic view of a container-type photovoltaic energy storage system according to the present invention;
fig. 3 is a schematic sectional structural view of a container type photovoltaic energy storage system of the present invention;
fig. 4 is a schematic diagram of a frame principle of each functional unit in the container-type photovoltaic energy storage system of the present invention;
wherein the reference symbols are:
100-box body, 101-first partition board, 102-second partition board, 103-second switch door, 104-third switch door, 105-fourth switch door, 106-first switch door;
200-a battery energy storage module, 210-a cell unit;
300-a central control module;
400-energy storage converter;
500-a photovoltaic DCDC converter;
600-air conditioner temperature control unit;
700-monitoring alarm unit;
800-intelligent fire-fighting unit;
900-Heat dissipation Fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In some embodiments, as shown in fig. 1, 3 and 4, a container-type photovoltaic energy storage system is provided, which includes a battery energy storage module 200, a central control module 300, an energy storage converter 400, a photovoltaic DCDC converter 500, an air conditioner temperature control unit 600 and a monitoring alarm unit 700, which are integrally disposed in a box 100. The central control module 300 is electrically connected with the battery energy storage module 200, the energy storage converter 400, the photovoltaic DCDC converter 500, the air conditioner temperature control unit 600 and the monitoring alarm unit 700 respectively, and is used for controlling the operation of the battery energy storage module 200, the energy storage converter 400, the photovoltaic DCDC converter 500, the air conditioner temperature control unit 600 and the monitoring alarm unit 700 respectively.
The battery energy storage module 200 is electrically connected to the central control module 300, and is formed by connecting a plurality of battery cell units 210 in series and in parallel in a first cavity at the front end of the box 100, and a first switch door 106 is disposed on the front side wall of the battery energy storage module. For example, a dozen groups of the battery cell units 210 are connected in series and parallel to form a battery box, then the battery box is connected in series to form a battery pack string and boost the system voltage, and finally the battery pack string is connected in parallel to boost the system capacity and integrally installed in the box body.
The central control module 300 is electrically connected with the battery energy storage module 200, the energy storage converter 400, the photovoltaic DCDC converter 500, the air conditioner temperature control unit 600 and the monitoring alarm unit 700, is arranged in a second cavity on one side of the rear end of the box body 100, and is provided with a second switch door 103 on the side wall thereof, and a shutter is arranged on the second switch door 103.
The central control module 300 includes an energy management unit EMS and a battery management unit BMS, and the energy management unit EMS mainly implements functions of external communication, network data monitoring and data acquisition, analysis and processing, and ensures accurate data monitoring, high voltage and current sampling precision, and high data synchronization rate and remote control command execution speed. The battery management unit BMS has high-precision single voltage detection and current detection functions, ensures the voltage balance of the battery cell modules, and avoids the circulation among the battery modules from influencing the operation efficiency of the system. Specifically, the battery management unit BMS is electrically connected to the plurality of cell units 210, and the energy management unit EMS is electrically connected to the energy storage converter 400 and the photovoltaic DCDC converter 500.
The energy storage converter 400 and the photovoltaic DCDC converter 500 are respectively electrically connected to the central control module 300, the energy storage converter 400 and the photovoltaic DCDC converter 500 are disposed in a third cavity at the rear end of the box 100, and a third switch 104 and a fourth switch 105 are respectively disposed on the left side wall and the rear side wall of the box; shutters are arranged on the third switch door 104 and the fourth switch door 105, and the functions of ventilation and heat dissipation are achieved.
The energy storage converter 400 is an energy conversion unit that converts a battery dc power into a three-phase ac power, and can operate in a grid-connected and off-grid mode. The energy storage converter 400 performs energy interaction with the power grid in the grid-connected mode according to a power instruction issued by upper-layer scheduling; the energy storage converter 400 in the off-grid mode can provide voltage frequency support for factory loads and provide a black start power supply for part of renewable energy. The outlet of the energy storage converter 400 is connected with an isolation transformer in the system, so that the primary side and the secondary side are completely insulated, and the safety of the container system is ensured to the maximum extent.
The photovoltaic DCDC converter 500 is used for controlling the charging and discharging stability of the storage battery and protecting the safety of a system, a microprocessor TMS320F28335 is used as a control core, and the DC-DC converter has the advantages of being wide in input voltage range, high in output voltage precision, good in dynamic and steady-state characteristics.
As shown in fig. 1, 2, 3 and 700, in order to ensure the safety of the system, a dedicated air-conditioning temperature control unit 600 and a dedicated monitoring alarm unit 700 are configured in the container, the air-conditioning temperature control unit 600 and the monitoring alarm unit 700 are electrically connected to the central control module 300, respectively, and the air-conditioning temperature control unit 600 and the monitoring alarm unit 700 are disposed at the back of the first opening/closing door 106.
As shown in fig. 3, the central control module, the EMS control system, the energy storage converter PCS, the photovoltaic DC-DC converter and the battery energy storage module are integrated in one container, and the independence between the central control module, the EMS control system, the energy storage converter PCS, the photovoltaic DC-DC converter and the battery energy storage module is maintained, so as to avoid mutual influence. The inner cavity of the box 100 is divided into the first cavity, the second cavity and the third cavity by a first partition plate 101 and a second partition plate 102, the first partition plate 101 is located in the middle of the inner cavity, and the second partition plate 102 is vertically arranged on one side wall of the first partition plate 101.
In some embodiments, as shown in fig. 3, the battery energy storage module 200 further includes a battery holder, the battery holder is disposed opposite to the air conditioner temperature control unit 600 and the monitoring alarm unit 700, and a plurality of the battery cells 210 are placed on the battery holder. And the air conditioner temperature control unit 600 is arranged at the back of the cabinet door at the left side of the first opening and closing door 106, and a fresh air inlet communicated with the air conditioner temperature control unit 600 is formed in the cabinet door at the left side of the first opening and closing door 106. The air conditioning temperature control unit 600 is an air conditioning device, and may use an internal circulation mode to perform circulation cooling on the battery cell unit 210. The air conditioner temperature control unit 600 can control an air conditioner cooling and heating system through a heat management strategy according to the external environment temperature, so that the temperature in the container is ensured to be in a proper interval, and the service life of the battery is prolonged.
In some embodiments, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, in order to ensure the safety of the system, a dedicated monitoring alarm unit 700 and an intelligent fire fighting unit 800 are configured in the container, wherein the monitoring alarm unit 700 senses fire alarms by using safety devices such as a smoke sensor, a temperature sensor, a humidity sensor, an audible and visual alarm, and an emergency lamp which are arranged on the inner wall of the first cavity and respectively electrically connected with the central control module 300, and the audible and visual alarm is embedded in the door on the right side of the first switch door 106. And can control the intelligent fire fighting unit 800 through the central control module 300 and automatically extinguish a fire. If intelligence fire unit 800 includes fire extinguishing tank and a plurality of nozzle, fire extinguishing tank passes through the hose and connects a plurality of through the solenoid valve the nozzle, fire extinguishing tank set up in the second cavity, a plurality of the nozzle set up in the first cavity. The fire extinguishing medium of the fire extinguishing tank is sprayed out through the nozzle, and the spraying amount is automatically controlled through the electromagnetic valve, so that the fire condition of the first cavity is extinguished, and the fire disaster is avoided.
In addition, in order to ensure the safety of the energy storage converter 400 and the photovoltaic DCDC converter 500, a plurality of cooling fans 900 are installed in the second cavity, and the cooling fans 900 are arranged on the third switch door 104 and/or the fourth switch door 105 from top to bottom. The heat radiation fan 900 at the lower part is used for air intake, and the heat radiation fan 900 at the upper part is used for discharge, so that the outside fresh air is introduced into the second cavity, and the high-temperature air in the second cavity is discharged out of the second cavity.
In addition, this container formula photovoltaic energy storage system still includes intelligent terminal and cloud ware, intelligent terminal passes through the communication unit and connects central control module 300, intelligent terminal is smart mobile phone, panel computer or notebook. The cloud server is connected to the central control module 300 through a communication unit. The remote control of the energy storage system is realized through the intelligent terminal and the cloud server.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to common designs, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
finally, the above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A container type photovoltaic energy storage system is characterized by comprising a battery energy storage module (200), a central control module (300), an energy storage converter (400), a photovoltaic DCDC converter (500), an air conditioner temperature control unit (600) and a monitoring alarm unit (700), wherein the battery energy storage module (200), the central control module, the energy storage converter (400), the photovoltaic DCDC converter, the air conditioner temperature control unit (600) and the monitoring alarm unit are integrally arranged in a box body (100); wherein:
the battery energy storage module (200) is electrically connected with the central control module (300) respectively and is formed by connecting a plurality of battery cell units (210) in series and in parallel in a first cavity at the front end of the box body (100), and a first switch door (106) is arranged on the front side wall of the battery energy storage module;
the central control module (300) is electrically connected with the battery energy storage module (200), the energy storage converter (400), the photovoltaic DCDC converter (500), the air conditioner temperature control unit (600) and the monitoring alarm unit (700), is arranged in a second cavity at one side of the rear end of the box body (100), and is provided with a second switch door (103) on the side wall;
the energy storage converter (400) and the photovoltaic DCDC converter (500) are respectively and electrically connected with the central control module (300), the energy storage converter (400) and the photovoltaic DCDC converter (500) are arranged in a third cavity at the rear end of the box body (100), and the left side wall and the rear side wall of the energy storage converter (400) are respectively provided with a third switch door (104) and a fourth switch door (105);
the air conditioner temperature control unit (600) and the monitoring alarm unit (700) are respectively electrically connected with the central control module (300), and the air conditioner temperature control unit (600) and the monitoring alarm unit (700) are arranged on the back of the first switch door (106).
2. The container type photovoltaic energy storage system according to claim 1, wherein the inner cavity of the box body (100) is divided into the first cavity, the second cavity and the third cavity by a first partition plate (101) and a second partition plate (102), the first partition plate (101) is located in the middle of the inner cavity, and the second partition plate (102) is vertically arranged on one side wall of the first partition plate (101).
3. The container type photovoltaic energy storage system according to claim 1, wherein the battery energy storage module (200) further comprises a battery support, the battery support is arranged opposite to the air conditioner temperature control unit (600) and the monitoring alarm unit (700), and a plurality of the battery cell units (210) are placed on the battery support.
4. The container-type photovoltaic energy storage system according to claim 1, wherein the central control module (300) comprises an energy management unit (EMS) and a battery management unit (BMS), the battery management unit (BMS) is electrically connected with the plurality of cell units (210), and the energy management unit (EMS) is electrically connected with the energy storage converter (400) and the photovoltaic DCDC converter (500).
5. The container type photovoltaic energy storage system according to claim 1, wherein the air conditioner temperature control unit (600) is disposed at a back of a cabinet door on a left side of the first opening/closing door (106), and a fresh air opening communicated with the air conditioner temperature control unit (600) is opened on the cabinet door on the left side of the first opening/closing door (106).
6. The container type photovoltaic energy storage system according to claim 1, wherein the monitoring alarm unit (700) comprises a smoke sensor, a temperature sensor, a humidity sensor and an audible and visual alarm which are arranged on the inner wall of the first cavity and electrically connected with the central control module (300) respectively, and the audible and visual alarm is embedded on a cabinet door on the right side of the first switch door (106).
7. The container type photovoltaic energy storage system according to claim 6, further comprising an intelligent fire-fighting unit (800), wherein the intelligent fire-fighting unit (800) comprises a fire-extinguishing tank and a plurality of nozzles, the fire-extinguishing tank is connected with the nozzles through a hose via an electromagnetic valve, the fire-extinguishing tank is arranged in the second cavity, and the nozzles are arranged in the first cavity.
8. The container type photovoltaic energy storage system according to claim 1, further comprising a plurality of heat dissipation fans (900), wherein the heat dissipation fans (900) are arranged on the third switch door (104) and/or the fourth switch door (105) from top to bottom.
9. The container type photovoltaic energy storage system according to claim 1, further comprising an intelligent terminal, wherein the intelligent terminal is connected with the central control module (300) through a communication unit, and the intelligent terminal is a smart phone, a tablet computer or a notebook computer.
10. The container-type photovoltaic energy storage system according to claim 1, further comprising a cloud server connected to the central control module (300) through a communication unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220921290.3U CN217486209U (en) | 2022-04-20 | 2022-04-20 | Container formula photovoltaic energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220921290.3U CN217486209U (en) | 2022-04-20 | 2022-04-20 | Container formula photovoltaic energy storage system |
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| CN217486209U true CN217486209U (en) | 2022-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220921290.3U Active CN217486209U (en) | 2022-04-20 | 2022-04-20 | Container formula photovoltaic energy storage system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024087882A1 (en) * | 2022-10-27 | 2024-05-02 | 阳光电源股份有限公司 | Supplementary electrical cabinet and energy storage power station |
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- 2022-04-20 CN CN202220921290.3U patent/CN217486209U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024087882A1 (en) * | 2022-10-27 | 2024-05-02 | 阳光电源股份有限公司 | Supplementary electrical cabinet and energy storage power station |
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