CN220382766U - Integrated energy source integrated module and integrated energy source system - Google Patents
Integrated energy source integrated module and integrated energy source system Download PDFInfo
- Publication number
- CN220382766U CN220382766U CN202321522393.3U CN202321522393U CN220382766U CN 220382766 U CN220382766 U CN 220382766U CN 202321522393 U CN202321522393 U CN 202321522393U CN 220382766 U CN220382766 U CN 220382766U
- Authority
- CN
- China
- Prior art keywords
- direct current
- power grid
- energy
- module
- integrated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004146 energy storage Methods 0.000 claims abstract description 70
- 230000010354 integration Effects 0.000 claims abstract description 20
- 238000005070 sampling Methods 0.000 claims description 48
- 238000004891 communication Methods 0.000 claims description 16
- 238000010248 power generation Methods 0.000 claims description 15
- 238000005265 energy consumption Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 210000000352 storage cell Anatomy 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a comprehensive energy integrated module and a comprehensive energy system, comprising: the integrated energy controller and at least one direct current power grid structure; the direct current power grid structure includes: the device comprises battery bus bars, energy storage batteries and direct current-direct current converter units, wherein the number of the battery bus bars is smaller than that of the energy storage batteries; the comprehensive energy controller controls the direct current-direct current converter unit and acquires state information of a direct current power grid structure; in the direct current power grid structure, a direct current-direct current converter unit acquires state information of an energy storage battery; the energy storage battery is connected with the corresponding battery busbar; one end of the DC-DC converter unit is connected with the corresponding battery busbar, and the other end is connected with the busbar; when the direct current power grid structure is larger than 1, the bus bars are connected in parallel. The utility model has low reconstruction cost, direct current power supply conversion and energy storage functions, introduces new energy, and has the advantages of high integration level, high reliability, convenient installation and maintenance, concise circuit and high conversion efficiency.
Description
Technical Field
The utility model relates to the field of power supplies, in particular to a comprehensive energy integrated module and a comprehensive energy system.
Background
The integrated power supply system generally comprises various alternating current-to-direct current switching power supplies, and meets the power utilization requirements of different electric equipment through alternating current-to-direct current conversion of a power grid power supply. In order to more efficiently utilize the electric energy, an energy storage device is added in the integrated power supply system, and the charge and discharge of the energy storage are controlled according to the requirement so as to realize reasonable electricity utilization; in addition, in recent years, new energy technology has been paid more attention, and with the continuous development of new energy technology, more and more new energy is introduced into an integrated power system to realize green electricity. However, if energy storage and new energy are to be introduced, the whole power supply system in the existing base station needs to be replaced completely, and the modification cost is high.
Therefore, how to reduce the cost while introducing energy storage and new energy has become one of the problems to be solved by those skilled in the art.
It should be noted that the foregoing description of the background art is only for the purpose of facilitating a clear and complete description of the technical solutions of the present application and 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 section of the present application.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide an integrated energy source module and an integrated energy source system, which are used for solving the problem of high cost of an integrated power source system when energy storage and new energy sources are introduced in the prior art.
To achieve the above and other related objects, the present utility model provides an integrated energy module comprising:
the integrated energy controller and at least one direct current power grid structure; the direct current power grid structure comprises: the device comprises battery bus bars, energy storage batteries and direct current-direct current converter units, wherein the number of the battery bus bars is smaller than that of the energy storage batteries;
the comprehensive energy controller transmits control signals of the direct current-direct current converter units in the direct current power grid structure through a communication bus and acquires state information of the direct current-direct current converter units and the energy storage battery in the direct current power grid structure;
in the direct current power grid structure, the direct current-direct current converter unit acquires state information of the energy storage battery through a communication bus; the energy storage battery is connected with the corresponding battery busbar; one end of the direct current-direct current converter unit is connected with a corresponding battery busbar, and the other end of the direct current-direct current converter unit is connected with the busbar;
and when the number of the direct current power grid structures is greater than 1, connecting the bus bars in parallel.
Optionally, in each dc grid structure, the number of dc-dc converter units is less than or equal to the number of energy storage batteries.
Optionally, the dc power grid structure further comprises a first protection device connected between each energy storage battery and the corresponding battery busbar or between each dc-dc converter unit and the corresponding battery busbar.
Optionally, the integrated energy controller obtains power information of an ac power grid, and generates a control signal of a dc-dc converter unit in the dc power grid structure based on the power information of the ac power grid.
More optionally, the integrated energy controller includes a grid voltage sampling input and a grid current sampling input, the grid voltage sampling input receives a voltage sampling signal of an external ac grid, and the grid current sampling input receives a current sampling signal of the external ac grid.
More optionally, the comprehensive energy integration module further comprises a power grid voltage sampling module and a power grid current sampling module; the input end of the power grid voltage sampling module is connected with an external alternating current power grid, the output end of the power grid voltage sampling module is connected with the comprehensive energy controller, and a voltage sampling signal of the external alternating current power grid is provided for the comprehensive energy controller; and the input end of the power grid current sampling module is connected with an external alternating current power grid, the output end of the power grid current sampling module is connected with the comprehensive energy controller, and a current sampling signal of the external alternating current power grid is provided for the comprehensive energy controller.
Optionally, the direct current power grid structure further comprises a protection diode, a second circuit breaker and an input interface; the protection diode is reversely connected to the bus bar; and one end of the second circuit breaker is connected with the bus bar, and the other end of the second circuit breaker is connected with the input interface.
More optionally, the dc power grid structure further includes a new energy control unit and a new energy interface, where the new energy control unit includes at least one new energy controller; one end of each new energy controller is respectively connected with a corresponding new energy interface, and the other end of each new energy controller is connected with the bus bar.
To achieve the above and other related objects, the present utility model also provides an integrated energy system comprising:
the system comprises an alternating current-direct current converter module, a direct current load and the comprehensive energy integration module;
the direct current output end of the alternating current-direct current converter module is electrically connected with a bus bar of the comprehensive energy integration module, and the alternating current input end is connected with an alternating current power grid;
the DC output end of the AC-DC converter module is connected with the DC load.
To achieve the above and other related objects, the present utility model also provides an integrated energy system comprising:
the system comprises an alternating current-direct current converter module, a direct current load, at least one new energy power generation device and the comprehensive energy integration module;
the direct current output end of the alternating current-direct current converter module is electrically connected with a bus bar of the comprehensive energy integration module, and the alternating current input end is connected with an alternating current power grid;
the direct current output end of the alternating current-direct current converter module is connected with a direct current load;
the new energy power generation devices are respectively connected to a new energy interface of the comprehensive energy integration module, and generate electric energy based on new energy.
Optionally, the integrated energy system further comprises an energy consumption component connected in series between the bus bar of the integrated energy module and the dc output end of the ac-dc converter module
More optionally, the integrated energy system further comprises a backup battery electrically connected to the bus bar of the integrated energy module.
As described above, the integrated energy source module and the integrated energy source system have the following beneficial effects:
1. the integrated energy source module can be integrally embedded into the base station, is compatible with the existing cabinet power supply system by utilizing the existing AC/DC power supply in the base station, and has low transformation cost.
2. The comprehensive energy integrated module and the comprehensive energy system have the functions of direct current power supply conversion and energy storage, and new energy is introduced, so that the power supply reliability is improved based on a direct current light overlapping scheme of energy storage; the power of the photovoltaic laminated light is greatly increased according to the energy storage capacity, and the application of natural energy sources is improved; the energy storage and the photovoltaic are added to greatly improve the power supply reliability of the system; supporting peak clipping and valley filling functions; and the reverse power transmission responds to the power grid demand, so that the intelligent management of the iron tower responding to the power grid aggregate service demand and the iron tower energy storage battery SOC is realized.
3. The integrated energy source integrated module and the integrated energy source system have high integration level, compact structure and high reliability; plug and play, installation and maintenance are convenient; the optimized power and energy management technology is realized through intelligent control; the circuit is succinct, and the reliability is high, and conversion efficiency is high.
Drawings
Fig. 1 is a schematic structural view of the integrated energy module of the present utility model.
Fig. 2 is a schematic diagram of another structure of the integrated energy module of the present utility model.
Fig. 3 is a schematic view showing still another structure of the integrated energy module of the present utility model.
Fig. 4 is a schematic structural diagram of the integrated energy system of the present utility model.
Fig. 5 shows a schematic structure of the energy consumption assembly of the present utility model.
Description of element reference numerals
1. Integrated energy source module
1a comprehensive energy controller
1b DC power grid structure
1c power grid current sampling module
1d power grid voltage sampling module
11. Battery busbar
12. Bus bar
13. Energy storage battery
14. DC-DC converter unit
15. New energy control unit
151. New energy controller
16. DC lightning protection unit
2. AC-DC converter module
3. DC load
4. New energy power generation device
5. Backup battery
6. AC lightning protection unit
7. DC lightning protection unit
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. 1-5. 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.
Example 1
As shown in fig. 1, the present utility model provides an integrated energy source integration module 1, which includes:
the integrated energy controller 1a and a direct current power grid structure 1b.
As shown in fig. 1, the integrated energy controller 1a transmits a control signal of the dc-dc converter unit 14 in the dc power grid structure 1b through a communication bus, and obtains status information of the dc-dc converter unit 14 and the energy storage battery 13 in the dc power grid structure 1b.
Specifically, the integrated energy controller 1a is configured to control the dc power grid structure 1b, where the integrated energy controller 1a is connected to or in communication with the energy storage battery 13 and the dc-dc converter unit 14 to obtain status information of the energy storage battery 13 and the dc-dc converter unit 14, and generate a control signal of the dc-dc converter unit 14 according to the status information. In this example, if one end of the dc-dc converter unit 14 is connected to the bus 12, the integrated energy controller 1a directly obtains the status information of the dc-dc converter unit 14 from the bus 12; in practical use, any mode capable of acquiring the state information of the dc-dc converter unit is suitable for the present utility model.
Specifically, the integrated energy control module 1a provides control signals to the dc-dc converter unit 14 via a communication bus; in this example, communication is performed through a CAN bus; in practical use, any way of enabling the integrated energy control module 1a to communicate with the dc-dc converter unit 14 is applicable.
As another implementation of the present utility model, as shown in fig. 1, the integrated energy controller 1a obtains power information of an external ac power grid, and controls each dc-dc converter unit 14 based on the power information of the ac power grid. The method for obtaining the power information of the alternating current power grid comprises the following steps: 1. the communication with the ac power grid directly obtains power information (the communication port is an ac input end or a dc output end of the ac-dc converter module 2 in fig. 4). 2. And respectively acquiring voltage and current information by communicating with the alternating current power grid (the communication port is an alternating current input end or a direct current output end of the alternating current-direct current converter module in fig. 4). 3. The integrated energy controller 1a includes a power grid voltage sampling input end and a power grid current sampling input end, wherein the power grid voltage sampling input end receives a voltage sampling signal of an external ac power grid, that is, a voltage sampling module is arranged outside the integrated energy integrated module 1, and as an example, the signal acquisition is performed on the ac input end of the ac-dc converter module in fig. 4 and the voltage sampling signal is output; the current sampling input end of the power grid receives a current sampling signal of an external alternating current power grid, and the current sampling module is arranged outside the comprehensive energy integration module 1, and is used for collecting signals from the alternating current input end of the alternating current-direct current converter module in fig. 4 and outputting the current sampling signal. 4. As shown in fig. 1, the integrated energy source module 1 further includes a power grid voltage sampling module 1c and a power grid current sampling module 1d; the input end CSV of the grid voltage sampling module 1d is connected with an external ac power grid, the output end is connected with the integrated energy controller 1a, and provides a voltage sampling signal of the external ac power grid for the integrated energy controller 1a, and as an example, the input end CSV of the grid voltage sampling module 1d is connected with the ac input end of the ac-dc converter module in fig. 4; an input end CSC of the grid current sampling module 1c is connected to an external ac grid, an output end is connected to the integrated energy controller 1a, and provides a current sampling signal of the external ac grid for the integrated energy controller 1a, and as an example, the input end CSC of the grid current sampling module 1c is connected to an ac input end of the ac-dc converter module in fig. 4. In practical use, any mode capable of acquiring power information of an ac power grid is suitable for the present utility model, and is not limited to this embodiment.
As shown in fig. 1, the dc power grid structure 1b includes: battery busbar 11, busbar 12, energy storage battery 13 and dc-dc converter unit 14. The dc-dc converter unit 14 obtains the state information of each energy storage battery 13 through a communication bus; the energy storage battery 13 is connected with the corresponding battery busbar 11; one end of each dc-dc converter unit 14 is connected to the corresponding battery busbar 11, and the other end is connected to the busbar 12.
Specifically, the number of pairs of the battery bus bars 11 is not less than 1, the number of the energy storage batteries 13 is not less than 2, the number of the dc-dc converter units 14 is not less than 1, and the number of the battery bus bars 11 is less than the number of the energy storage batteries 13 (i.e., at least two energy storage batteries 13 are connected to the same pair of battery bus bars). In this example, the number of the energy storage cells 13 is set to 3, the number of the dc-dc converter units 14 is set to 2, and the number of pairs of the battery bus bars 11 is set to 1 (one positive electrode and one negative electrode constitute a pair of battery bus bars). The positive poles of the 3 energy storage batteries 13 are connected with the positive pole of the battery busbar 11, and the negative poles of the 3 energy storage batteries 13 are connected with the negative pole of the battery busbar 11, so that a parallel structure is formed. The positive electrodes of one ends of the 2 direct current-direct current converter units 14 are connected with the positive electrodes of the battery busbar 11, and the negative electrodes of the battery busbar 11; the anodes of the other ends of the 2 direct current-direct current converter units 14 are connected with the anodes of the bus bars 12, and the cathodes of the bus bars 12 are connected with the cathodes of the bus bars 12; forming a parallel structure.
In practical use, the number of the battery bus bars 11, the energy storage batteries 13, and the dc-dc converter units 14 may be set as required, so that at least two energy storage batteries 13 may share one battery bus bar (i.e., at least two energy storage batteries are connected in parallel), which is not limited to the present embodiment. Further, in the case where the conversion capability of the dc-dc converter unit 14 is sufficient, the plurality of energy storage batteries 13 may share the dc-dc converter unit 14, that is, K energy storage batteries 13 and P dc-dc converter units 14 are connected to the same pair of battery buses, K and P are natural numbers, and K is greater than P, at which time the cost may be reduced. Meanwhile, in the case where the plurality of energy storage batteries 13 are connected to the plurality of dc-dc converter units through the pair of battery bus bars (the number of the energy storage batteries may be greater than, less than or equal to the number of the dc-dc converter units), if the conversion capability of the remaining dc-dc converter units 14 is sufficient when a part of the dc-dc converter units 14 are damaged, the charge and discharge of each energy storage battery are not affected, and the expansion and maintenance are very convenient.
Specifically, in this embodiment, the dc-dc converter unit 14 communicates with each energy storage battery 13 through an RS485 bus; in practical use, any way of enabling the dc-dc converter unit 14 to communicate with each energy storage battery 13 is applicable.
Specifically, as an example, the energy storage battery 13 is a lithium iron phosphate battery; in practical use, the corresponding battery type can be selected according to the needs, and the embodiment is not limited to the specific example. The energy storage battery 13 is a single battery or a series structure of multiple batteries, and can be configured as required, and is not described in detail herein.
As an implementation manner of the present utility model, as shown in fig. 1, the dc power network structure 1b further includes a first protection device for protecting the dc-dc converter unit 14, including but not limited to, an overcurrent, an overtemperature, and the like. As an example, the first protection device is connected between each dc-dc converter unit 14 and the corresponding battery busbar 11, in this embodiment, the first protection device includes 2 circuit breakers, denoted as K1 and K2, one ends of the circuit breakers K1 and K2 are respectively connected to the cathodes of the two dc-dc converter units 14, and the other ends are connected to the cathodes of the battery busbar 11. As another example, the first protection device is connected between each energy storage battery 13 and the corresponding battery busbar 11, and may also function as a protection device for the dc-dc converter unit, which is not described in detail herein. Any device capable of protecting the dc-dc converter unit (opening the path when a hazard occurs) is suitable for the present utility model, and is not limited to this embodiment.
As an implementation manner of the present utility model, as shown in fig. 1, the dc power network structure 1b further includes a protection diode D, a second protection device, and an input interface TE1. The protection diode D is reversely connected to the bus bar 12, that is, an anode of the protection diode D is connected to a cathode of the bus bar 12, and a cathode is connected to an anode of the bus bar 12. One end of the second protection device is connected to the busbar 12, and the other end is connected to the input interface TE1, and in this example, the second protection device is implemented by a circuit breaker, denoted by K3; the connection of the dc bus to an external circuit is achieved via the input interface TE1 and the bus bar 12. The input interface TE1 may be implemented by devices including, but not limited to, a connection terminal, a relay, a circuit breaker, etc., which are not described in detail herein.
Example two
As shown in fig. 2, this embodiment provides a comprehensive energy integration module 1, and new energy is introduced based on the first embodiment.
As shown in fig. 2, the dc power grid structure 1b further includes a new energy control unit 15 and a new energy interface TE2, where the new energy control unit 15 includes at least one new energy controller 151.
Specifically, one end of each new energy controller 151 is connected to the corresponding new energy interface TE2, and the other end is connected to the bus bar 12. As an example, each new energy controller 151 is a maximum power point tracker (MPPT, maximum Power Point Tracking) for controlling the external new energy power generation device to convert electric energy and output to the bus bar 12.
Further, in the present embodiment, each new energy controller 151 is connected to the integrated energy controller 1a through a communication bus, so that the integrated energy controller 1a obtains the status information of each new energy controller 151; as an example, the integrated energy controller 1a communicates with each new energy controller 151 through an RS485 bus; in practical use, any manner of implementing the communication between the integrated energy controller 1a and each new energy controller 151 is applicable.
As an implementation manner of the present utility model, as shown in fig. 2, each new energy interface TE2 is further connected to a corresponding dc lightning protection unit 16; the new energy interfaces TE2 include, but are not limited to, connection terminals, relays, and circuit breakers, which are not described in detail herein.
Example III
The present embodiment provides a comprehensive energy integrated module, which is different from the first embodiment and the second embodiment in that at least 2 dc power grid structures 1b are provided.
As shown in fig. 3, in the present embodiment, the number of dc power grid structures 1b is 2, and the integrated energy controller 1a obtains state information of the dc-dc converter units and the energy storage batteries in the two dc power grid structures 1b and controls the dc-dc converter units in the two dc power grid structures 1b (for convenience of illustration, the lower dc power grid structure 1b in fig. 3 is not connected to the integrated energy controller 1 a). The two dc grid structures 1b are identical in structure, but the number of energy storage cells and dc-dc converter units can be set independently of each other.
As shown in fig. 3, the bus bars 12 are arranged in parallel, so that the driving capability can be improved.
It should be noted that, in the present embodiment, the dc power grid structure 1b of the first embodiment is taken as an example, and the dc power grid structure 1b of the second embodiment is also applicable, which is not described herein.
Example IV
As shown in fig. 4, the present embodiment provides an integrated energy system including:
an ac-dc converter module 2, a dc load 3, at least one new energy power generation device 4, and a comprehensive energy integration module 1 according to the second embodiment.
As shown in fig. 4, the dc output end of the ac-dc converter module 2 is electrically connected to the bus bar of the integrated energy source module 1, and the ac input end is connected to an ac power grid.
Specifically, in this embodiment, a third protection device K4 is further disposed between the ac input end of the ac-dc converter module 2 and the ac power grid, so as to cut off the path between the ac-dc converter module 2 and the ac power grid when there is a risk (including, but not limited to, overcurrent, overvoltage, and overtemperature). The alternating current input end of the alternating current-direct current converter module 2 is also provided with an alternating current lightning protection unit 6, and the other end of the alternating current lightning protection unit 6 is grounded.
As shown in fig. 4, the dc output of the ac-dc converter module 2 is connected to the dc load 3.
Specifically, the dc load 3 is electrically connected to a bus of the integrated energy source integrated module 1, and the integrated energy source integrated module 1 synthesizes an ac power grid and new energy source as required to perform charge and discharge control on the energy storage battery, so as to supply power to the dc load 3.
As shown in fig. 4, the new energy power generation devices 4 are respectively connected to one new energy interface TE2 of the integrated energy module 1, and generate electric energy based on new energy.
Specifically, the new energy power generation device 4 includes, but is not limited to, a photovoltaic power generation device and a wind power generation device, and any device that can generate power by using new energy is applicable. In this embodiment, a switch S2 is further disposed between the new energy power generation device 4 and the corresponding new energy interface TE2, and is used for switching on or switching off the path where the new energy power generation device 4 is located. The output end of the new energy power generation device 4 is also provided with a direct current lightning protection unit 7, and the other end of the direct current lightning protection unit 7 is grounded.
As shown in fig. 4, the integrated energy system of the present utility model further includes a backup battery 5, and the backup battery 5 is electrically connected to the bus bar of the integrated energy module 1, so as to improve the stability of the integrated energy system of the present utility model.
It should be noted that, the integrated energy source integration module 1 may also adopt the structure of the first embodiment or the third embodiment, and the connection relationship is adaptively adjusted, which is not described herein in detail.
As another implementation manner of this embodiment, the integrated energy system further includes an energy consumption component (not shown in the drawing), and the energy consumption component is connected in series between the bus bar of the integrated energy module 1 and the dc output end of the ac-dc converter module 2. The energy consumption component generates a certain voltage drop, so that when the new energy power generation device 4 feeds the dc load 3, the voltage of the bus 12 is slightly higher than the dc output voltage of the ac-dc converter module 2, so as to increase the terminal voltage of the input side of the dc-dc converter unit 14, and the voltage of the input side of the dc-dc converter unit 14 is higher than the voltage of the output side (i.e., the energy storage battery terminal), so as to charge the energy storage battery. As an example, the energy consuming component is a resistor; as another example, the energy consumption component is a diode (anode is connected to bus bar 12, and cathode is connected to one end of the dc output end of the ac-dc converter module 2); as yet another example, as shown in fig. 5, the energy consumption component is a pair of power switching tubes (including but not limited to IGBTs and MOS) connected in series in opposite phases, the positional relationship is interchangeable, and the ports Sa1 and Sa2 are respectively connected to the bus bar 12 and the dc output end of the ac-dc converter module 2; in addition, the energy consumption component can also be at least two of a resistor, a diode and a pair of power switch tubes which are connected in series in reverse phase, and the series connection, the parallel connection and the series-parallel connection are combined, and are not described in detail herein.
In summary, the present utility model provides an integrated energy module and an integrated energy system, including: the integrated energy controller and at least one direct current power grid structure; the direct current power grid structure comprises: the device comprises battery bus bars, energy storage batteries and direct current-direct current converter units, wherein the number of the battery bus bars is smaller than that of the energy storage batteries; the comprehensive energy controller transmits control signals of the direct current-direct current converter units in the direct current power grid structure through a communication bus and acquires state information of the direct current-direct current converter units and the energy storage battery in the direct current power grid structure; in the direct current power grid structure, the direct current-direct current converter unit acquires state information of the energy storage battery through a communication bus; the energy storage battery is connected with the corresponding battery busbar; one end of the direct current-direct current converter unit is connected with a corresponding battery busbar, and the other end of the direct current-direct current converter unit is connected with the busbar; and when the number of the direct current power grid structures is greater than 1, connecting the bus bars in parallel. The comprehensive energy integrated module can be integrally embedded into the base station, is compatible with the existing cabinet power supply system by utilizing the existing AC/DC power supply in the base station, and has low transformation cost; the direct current light-stacking system has the functions of direct current power supply conversion and energy storage, introduces new energy, and can be based on a direct current light-stacking scheme of energy storage, so that the power supply reliability is improved; the power of the photovoltaic laminated light is greatly increased according to the energy storage capacity, and the application of natural energy sources is improved; the energy storage and the photovoltaic are added to greatly improve the power supply reliability of the system; supporting peak clipping and valley filling functions; the power transmission is reversely responded to the power grid demand, so that the intelligent management of the iron tower responding to the power grid aggregate service demand and the iron tower energy storage battery SOC is realized; the integrated level is high, the structure is compact, and the reliability is high; plug and play, installation and maintenance are convenient; the optimized power and energy management technology is realized through intelligent control; the circuit is succinct, and the reliability is high, and conversion efficiency is high. 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 (12)
1. An integrated energy module, the integrated energy module comprising:
the integrated energy controller and at least one direct current power grid structure; the direct current power grid structure comprises: the device comprises battery bus bars, energy storage batteries and direct current-direct current converter units, wherein the number of the battery bus bars is smaller than that of the energy storage batteries;
the comprehensive energy controller transmits control signals of the direct current-direct current converter units in the direct current power grid structure through a communication bus and acquires state information of the direct current-direct current converter units and the energy storage battery in the direct current power grid structure;
in the direct current power grid structure, the direct current-direct current converter unit acquires state information of the energy storage battery through a communication bus; the energy storage battery is connected with the corresponding battery busbar; one end of the direct current-direct current converter unit is connected with a corresponding battery busbar, and the other end of the direct current-direct current converter unit is connected with the busbar;
and when the number of the direct current power grid structures is greater than 1, connecting the bus bars in parallel.
2. The integrated energy module of claim 1, wherein: in each direct current power grid structure, the number of the direct current-direct current converter units is smaller than or equal to the number of the energy storage batteries.
3. The integrated energy module of claim 1, wherein: the direct current power grid structure further comprises a first protection device, wherein the first protection device is connected between each energy storage battery and the corresponding battery busbar or between each direct current-direct current converter unit and the corresponding battery busbar.
4. The integrated energy module of claim 1, wherein: and the comprehensive energy controller acquires power information of an alternating current power grid, and generates control signals of a direct current-direct current converter unit in the direct current power grid structure based on the power information of the alternating current power grid.
5. The integrated energy module of claim 4, wherein: the comprehensive energy controller comprises a power grid voltage sampling input end and a power grid current sampling input end, wherein the power grid voltage sampling input end receives a voltage sampling signal of an external alternating current power grid, and the power grid current sampling input end receives a current sampling signal of the external alternating current power grid.
6. The integrated energy module of claim 4, wherein: the comprehensive energy integration module further comprises a power grid voltage sampling module and a power grid current sampling module; the input end of the power grid voltage sampling module is connected with an external alternating current power grid, the output end of the power grid voltage sampling module is connected with the comprehensive energy controller, and a voltage sampling signal of the external alternating current power grid is provided for the comprehensive energy controller; and the input end of the power grid current sampling module is connected with an external alternating current power grid, the output end of the power grid current sampling module is connected with the comprehensive energy controller, and a current sampling signal of the external alternating current power grid is provided for the comprehensive energy controller.
7. The integrated energy module of claim 1, wherein: the direct current power grid structure further comprises a protection diode, a second circuit breaker and an input interface; the protection diode is reversely connected to the bus bar; and one end of the second circuit breaker is connected with the bus bar, and the other end of the second circuit breaker is connected with the input interface.
8. The integrated energy module of any of claims 1-7, wherein: the direct current power grid structure also comprises a new energy control unit and a new energy interface, wherein the new energy control unit comprises at least one new energy controller; one end of each new energy controller is respectively connected with a corresponding new energy interface, and the other end of each new energy controller is connected with the bus bar.
9. An integrated energy system, the integrated energy system comprising:
an ac-dc converter module, a dc load, and a comprehensive energy integration module according to any one of claims 1 to 7;
the direct current output end of the alternating current-direct current converter module is electrically connected with a bus bar of the comprehensive energy integration module, and the alternating current input end is connected with an alternating current power grid;
the DC output end of the AC-DC converter module is connected with the DC load.
10. An integrated energy system, the integrated energy system comprising:
an ac-dc converter module, a dc load, at least one new energy power generation device, and the integrated energy module of claim 8;
the direct current output end of the alternating current-direct current converter module is electrically connected with a bus bar of the comprehensive energy integration module, and the alternating current input end is connected with an alternating current power grid;
the direct current output end of the alternating current-direct current converter module is connected with a direct current load;
the new energy power generation devices are respectively connected to a new energy interface of the comprehensive energy integration module, and generate electric energy based on new energy.
11. The integrated energy system of claim 10, wherein: the integrated energy system further comprises an energy consumption component which is connected in series between the bus bar of the integrated energy source integration module and the direct current output end of the alternating current-direct current converter module.
12. The integrated energy system of any of claims 9-11, wherein: the comprehensive energy system further comprises a standby battery, and the standby battery is electrically connected with the bus bar of the comprehensive energy integration module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321522393.3U CN220382766U (en) | 2023-06-14 | 2023-06-14 | Integrated energy source integrated module and integrated energy source system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321522393.3U CN220382766U (en) | 2023-06-14 | 2023-06-14 | Integrated energy source integrated module and integrated energy source system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220382766U true CN220382766U (en) | 2024-01-23 |
Family
ID=89562428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321522393.3U Active CN220382766U (en) | 2023-06-14 | 2023-06-14 | Integrated energy source integrated module and integrated energy source system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220382766U (en) |
-
2023
- 2023-06-14 CN CN202321522393.3U patent/CN220382766U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102088198A (en) | Energy storage system | |
| CN102195525A (en) | Power supply system for photovoltaic (PV) building | |
| CN112909914A (en) | Intelligent direct-current micro-grid system suitable for building comprehensive energy supply station | |
| CN112165083A (en) | Power network | |
| CN201018313Y (en) | Domestic solar energy power supply system | |
| CN202353297U (en) | Data center IT device power supply system and standby high voltage DC power supply | |
| CN112421679B (en) | Electrical wiring structure based on hybrid micro-grid and energy flow method thereof | |
| CN105262436A (en) | Photovoltaic power system and communication base station electric power all-in-one machine | |
| CN203312826U (en) | Photovoltaic intelligent whole grid power generation system | |
| CN219017744U (en) | Reconfigurable battery plug box and energy storage system | |
| CN220382766U (en) | Integrated energy source integrated module and integrated energy source system | |
| CN116247711A (en) | Energy storage system based on load priority control | |
| CN116316761A (en) | Energy storage cabinet and energy storage system | |
| CN105186548A (en) | Electric network terminal energy storage system | |
| CN102969754B (en) | Storage battery pack connection circuit and intelligent storage battery pack | |
| CN201893598U (en) | Automatic detection and control charging power supply equipment | |
| CN216252183U (en) | Three-switch control system of micro-grid | |
| CN219372026U (en) | Charging switching device and charging system | |
| CN217159305U (en) | Uninterrupted power supply for acquisition of transformer area | |
| CN220711123U (en) | Micro-grid system | |
| CN220475449U (en) | Parallel high-reliability AC/DC power supply | |
| CN217984665U (en) | Alternating current-direct current integrated circuit | |
| CN219287208U (en) | Energy storage device and household energy storage system | |
| CN212366843U (en) | Household light storage and charging integrated device based on echelon battery | |
| CN219739971U (en) | Photovoltaic and energy storage system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |