CN110783939A - Intelligent energy management system and general management system - Google Patents
Intelligent energy management system and general management system Download PDFInfo
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- CN110783939A CN110783939A CN201810835315.6A CN201810835315A CN110783939A CN 110783939 A CN110783939 A CN 110783939A CN 201810835315 A CN201810835315 A CN 201810835315A CN 110783939 A CN110783939 A CN 110783939A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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Abstract
The invention is suitable for the technical field of electric power systems, and provides an intelligent energy management system and a general management system, which comprise a power distribution power bus, an energy storage system and a sub-control system; the distribution power supply bus is connected with a power supply and is connected with the energy storage system, the sub-control system and at least one load, and the load and the energy storage system are in communication connection with the sub-control system. The intelligent energy management system monitors the electric energy information input by the distribution power supply bus through the sub-control system, controls the energy storage system to charge and discharge according to the monitoring result so as to carry out energy balance, obtains the load energy running condition and sends a corresponding control instruction to a corresponding load, and realizes the intelligent management of the intelligent energy management system.
Description
Technical Field
The invention belongs to the technical field of power systems, and particularly relates to an intelligent energy management system and a general management system.
Background
When the battery is produced, a capacity grading formation process needs to be carried out in advance, or the battery needs to be charged and discharged in a detection process or an equalization maintenance process, and sometimes even needs to be repeatedly and circularly carried out. The charging and discharging of the battery is accompanied by the charging and discharging of electrical energy. When a small amount of batteries are charged and discharged, the energy loss and the energy requirement on a power distribution network are not large.
However, battery production plants often perform battery process treatment or performance detection on large-batch or even ultra-large-batch battery networking simultaneously, and along with charging and releasing of a large amount of electric energy, the total electric quantity used is quite large, the requirement on the electric energy of a power distribution network is high, but the actual supply of the power distribution network often cannot meet the use requirement. When the power grid is accessed to process or detect the performance of the battery, the energy of the power distribution network is easy to fluctuate, and the supplied energy is not matched with the actual demand, so that the final process treatment effect or performance detection result of the battery is adversely affected.
Disclosure of Invention
In view of this, the present invention provides an intelligent energy management system to solve the problem in the prior art that the supply energy of the distribution network is not matched with the actual demand.
A first aspect of an embodiment of the present application provides an intelligent energy management system, including a distribution power bus, an energy storage system, and a sub-control system;
the distribution power supply bus is connected with a power supply and is connected with the energy storage system, the sub-control system and at least one load, and the load and the energy storage system are in communication connection with the sub-control system;
the energy storage system is used for charging and discharging so as to store electric quantity and release the electric quantity and adjust electric energy in the circuit;
the sub-control system is used for monitoring electric energy information input by the distribution power supply bus, controlling the energy storage system to charge and discharge according to a monitoring result so as to perform energy balance, and is also used for acquiring the energy running condition of the load and sending a corresponding control instruction to the corresponding load.
A second aspect of the embodiments of the present application provides an intelligent energy total management system, which includes a total control system and the intelligent energy management system as described above connected to the total control system.
According to the embodiment of the application, the sub-control system monitors the electric energy information input by the power distribution power supply bus, the energy storage system is controlled to charge and discharge according to the monitoring result, energy balance is carried out, the energy running condition of the load is obtained, and a corresponding control instruction is sent to the corresponding load, so that intelligent management of the intelligent energy management system is realized.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an intelligent energy management system according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of an intelligent energy management system provided in the second embodiment of the present application;
fig. 3 is a schematic structural diagram of an intelligent energy management system provided in the third embodiment of the present application;
fig. 4 is a schematic structural diagram of an intelligent energy total management system provided in the fourth embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
The first embodiment is as follows:
as shown in fig. 1, the present embodiment provides an intelligent energy management system. An intelligent energy management system includes a distribution power bus 10, an energy storage system 20, a sub-control system 30, and at least one load 40.
As shown in fig. 1, the connection relationship between the modules in the intelligent energy management system provided by this embodiment is as follows:
the distribution power bus 10 is connected to a power source (not shown) and is connected to the energy storage system 20, the sub-control system 30 and at least one load 40, and the load 40 and the energy storage system 20 are both communicatively connected to the sub-control system 30.
In a specific application, the distribution power bus 10 is connected to a power source for delivering power to a grid circuit.
The energy storage system 20 is used to charge and discharge electricity to store and release electricity and to regulate the electrical energy in the circuit.
In a specific application, the energy storage system 20 cooperates with the distribution power bus 10 in an electrical circuit to regulate the electrical energy in the circuit.
The sub-control system 30 is configured to monitor the electric energy information input by the distribution power supply bus 10, control the energy storage system 10 to charge and discharge according to the monitoring result, so as to perform energy balance, and further obtain the energy running condition of the load 40 and send a corresponding control instruction to the corresponding load 40.
In a specific application, when the power inputted by the distribution power bus 10 is lower than the demand of the load 40, the sub-control system 30 controls the energy storage system 20 to discharge to make up the corresponding difference, so as to supplement the power in the circuit to the demand of the load 40. When the electric energy input by the distribution power supply bus 10 is higher than the demand of the load, the sub-control system 30 controls the energy storage system 20 to charge and reduce the corresponding overflow value, so as to meet the requirement of the load 40 on the stability of the electric energy. The control instructions include an input instruction, an output instruction, and a close instruction. When the control instruction is an input instruction, controlling the load 40 to start storing the electric energy in the circuit; when the control instruction is an output instruction, controlling the load 40 to start releasing electric energy to the circuit; when the control command is a turn-off command, the energy action of the load 40 is turned off.
In an embodiment, the sub-control system 30 is further configured to control the energy storage system 20 to discharge to make up a corresponding difference when the power inputted by the distribution power bus 10 is lower than the demand of the load 40.
In one embodiment, the sub-control system 30 is further configured to control the energy storage system 20 to charge to cut off a corresponding overflow value when the power inputted by the distribution power bus 10 is higher than the demand of the load 40.
According to the embodiment of the application, the electric energy information input by the power distribution power supply bus 10 is monitored through the sub-control system, the energy storage system 20 is controlled to be charged and discharged according to the monitoring result, energy balance is carried out, the energy running condition of the load 40 is obtained, and a corresponding control instruction is sent to the corresponding load 40, so that intelligent management of an intelligent energy management system is realized.
Example two:
as shown in fig. 2, in the present embodiment, the load 40 includes at least one detection device 401 and at least one battery pack 402, and each battery pack 402 includes a plurality of battery cells (not shown).
Each of the detection devices 401 is connected to one of the battery packs 402 and to the distribution power bus 10.
The detection device 401 is used for controlling the battery pack 402 correspondingly connected with the detection device to charge and discharge so as to complete performance detection of the battery pack 402.
In a specific application, the battery pack 402 needs to be subjected to an overall charging and discharging step to complete performance detection of the battery pack 402, such as a capacity test, a voltage test, a current test, an internal resistance test, or to complete an equalization process of the battery pack 402.
In one embodiment, the sub-control system 30 is communicatively coupled to the detection device 401.
The detection device 401 is also used to detect stored power and required power of the battery pack 402 connected thereto.
In an embodiment, the sub-control system 30 is further configured to obtain stored electric energy and required electric energy of the battery pack 402 correspondingly connected to the detection device 401, and send a corresponding control instruction to the detection device 401 according to a performance detection requirement, so as to trigger the detection device 401 to control the battery pack 402 to perform charging and discharging according to the control instruction.
In one embodiment, the sub-control system 30 is further configured to control the loads 40 to charge and discharge in batches when the sum of the power input by the distribution power bus 10 and the power releasable by the energy storage system 20 is lower than the total power required by all the loads 40 to complete the performance test.
In a specific application, the sub-control system 30 sends a control command to the detection device 401 to control one or a part of the battery packs 402 to be charged, and the rest of the battery packs 402 are suspended from being charged. When the charged battery packs 402 are charged, the sub-control system 30 sends a control instruction to the detection device 401 to control the charged battery packs 402 to discharge, one or a part of the battery packs 402 in the uncharged battery packs 402 are charged, the rest of the battery packs 402 are suspended from being charged, and the discharged battery packs 402 are controlled to be charged for the charged battery packs 402, so that all the battery packs 402 are charged and discharged in a gradient energy recycling manner, and further, the performance test of all the battery packs 402 is completed. During the process of recycling energy, the energy lost in the circuit can be supplemented by the energy storage system 20, and the sub-control system 30 controls the energy storage system 20 to perform charging storage when the last battery pack 402 is discharged. Finally, the performance test of the battery pack 402 is completed with a sum of energy lower than the original charging requirement. The waste of resources caused by direct consumption in a heat dissipation mode or impact on a power grid circuit during discharging is avoided.
According to the embodiment of the application, the sub-control system 30 controls the at least one detection device 401 and the energy storage system 20 to perform charging and discharging on the at least one battery pack 402 in gradient to complete performance testing, so that intelligent management of energy is realized, energy is recycled, waste of resources is avoided, and a power grid circuit is protected.
Example three:
as shown in fig. 3, in the present embodiment, the load 40 includes at least one testing needle bed 403 and at least one set of single batteries (not shown), and each set of single batteries includes a plurality of single batteries 404.
Each of the testing needle beds 403 is correspondingly connected with a group of single batteries and connected with the distribution power supply bus 10.
The testing needle bed 403 is used for controlling a plurality of single batteries 404 in a group of single batteries connected correspondingly to the testing needle bed to be charged and discharged so as to complete the process treatment of the single batteries 404.
In a specific application, when the single battery 404 is produced, the single battery 404 needs to be subjected to a capacity grading treatment.
In one embodiment, the sub-control system 30 is in communication with the test needle bed 403.
The sub-control system 30 is further configured to control, through the test needle bed 403, the flow of electric energy among a plurality of single batteries 4041 in a group of single batteries 404 correspondingly connected to the test needle bed 403.
In one embodiment, the sub-control system 30 is further configured to control the at least one load 40 to charge and discharge in batches when the sum of the power input by the distribution power bus 10 and the power releasable by the energy storage system 20 is lower than the total energy requirement of the complete process of all the loads 40.
In a specific application, the sub-control system 30 sends a control command to the test needle bed 403 to control half or a part of the single batteries 404 to be charged, and the rest of the single batteries 404 are suspended from being charged. When the charged single battery 404 is charged, the sub-control system 30 sends a control instruction to the test needle bed 403 to control the charged single battery 404 to discharge, charge the rest of the single battery 404, and control the discharged single battery 404 to charge the charged single battery 404, so as to charge and discharge all the single batteries 404 in a manner of recycling energy, thereby completing the partial capacity formation process of the single battery 404. During the process of recycling energy, the energy lost in the circuit can be supplemented by the energy storage system 20, and when the last single battery 404 is discharged, the sub-control system 30 controls the energy storage system 20 to perform charging storage. And finally, completing the partial-capacitance formation process by the sum of the energy consumed by charging which is lower than the original energy consumed by charging. The waste of resources caused by direct consumption in a heat dissipation mode or impact on a power grid circuit during discharging is avoided.
In the embodiment of the application, the sub-control system 30 controls the at least one test needle bed 403 and the energy storage system 20 to charge and discharge the at least one single battery 404 in batches, so that intelligent management of energy is realized, the energy is recycled, waste of resources is avoided, and a power grid circuit is protected.
Example four:
as shown in fig. 4, in the present embodiment, an intelligent energy total management system includes a total control system 200 and a plurality of intelligent energy management systems 100 according to the first to third embodiments connected to the total control system.
In the embodiment of the application, the connection form of the intelligent energy management system 100 is controlled by the master control system 200, so that networking management is facilitated. The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. An intelligent energy management system is characterized by comprising a distribution power supply bus, an energy storage system and a sub-control system;
the distribution power supply bus is connected with a power supply and is connected with the energy storage system, the sub-control system and at least one load, and the load and the energy storage system are in communication connection with the sub-control system;
the energy storage system is used for charging and discharging so as to store electric quantity and release the electric quantity and adjust electric energy in the circuit;
the sub-control system is used for monitoring electric energy information input by the distribution power supply bus, controlling the energy storage system to charge and discharge according to a monitoring result so as to perform energy balance, and is also used for acquiring the energy running condition of the load and sending a corresponding control instruction to the corresponding load.
2. The intelligent energy management system of claim 1, wherein the sub-control system is further configured to control the energy storage system to discharge to make up for the corresponding difference when the power input from the distribution power bus is less than the demand of the load.
3. The intelligent energy management system of claim 1, wherein the sub-control system is configured to control the energy storage system to charge to curtail a corresponding overflow when the power input from the distribution power bus is greater than the demand of the load.
4. The intelligent energy management system of claim 1, wherein the load comprises at least one detection device and at least one battery pack, each battery pack comprising a plurality of cells;
each detection device is correspondingly connected with one battery pack and is connected with the distribution power supply bus;
the detection equipment is used for controlling the battery pack correspondingly connected with the detection equipment to charge and discharge, and further completing the performance test of the battery pack.
5. The intelligent energy management system of claim 4, wherein the sub-control system is communicatively coupled to the detection device;
the detection equipment is also used for detecting stored electric energy and required electric energy of the battery pack connected with the detection equipment;
the sub-control system is further used for acquiring stored electric energy and required electric energy of the battery pack correspondingly connected with the detection equipment, and sending a corresponding control instruction to the detection equipment according to a performance test requirement so as to trigger the detection equipment to control the battery pack to be charged and discharged according to the control instruction.
6. The intelligent energy management system of claim 1, wherein the load comprises at least one test needle bed and at least one set of cells, each set of cells comprising a plurality of cells;
each testing needle bed is correspondingly connected with a group of single batteries and is connected with the distribution power supply bus;
the test needle bed is used for controlling a plurality of single batteries in a group of single batteries correspondingly connected with the test needle bed to be charged and discharged so as to finish the process treatment of the batteries.
7. The intelligent energy management system of claim 6, wherein the sub-control system is in communicative connection with the test needle bed;
the sub-control system is also used for controlling the electric energy transfer among a plurality of single batteries in a group of single batteries correspondingly connected with the testing needle bed through the testing needle bed.
8. The intelligent energy management system according to claim 4 or 6, wherein the sub-control system is further configured to control the loads to be charged and discharged in batches when the sum of the power input by the distribution power bus and the power releasable by the energy storage system is lower than the sum of the power required by all the loads to complete the test or the process, so as to complete the related performance detection or the process.
9. The smart energy management system of claim 1 further comprising said load, said load further being a home appliance, said home appliance enabling bi-directional energy flow.
10. An intelligent energy total management system, which is characterized by comprising a total control system and a plurality of intelligent energy management systems according to any one of claims 1 to 9, wherein the intelligent energy management systems are connected with the total control system.
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| CN201810835315.6A CN110783939A (en) | 2018-07-26 | 2018-07-26 | Intelligent energy management system and general management system |
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| CN201810835315.6A CN110783939A (en) | 2018-07-26 | 2018-07-26 | Intelligent energy management system and general management system |
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Cited By (1)
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