CN216389501U - Energy storage control device - Google Patents
Energy storage control device Download PDFInfo
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- CN216389501U CN216389501U CN202122390892.9U CN202122390892U CN216389501U CN 216389501 U CN216389501 U CN 216389501U CN 202122390892 U CN202122390892 U CN 202122390892U CN 216389501 U CN216389501 U CN 216389501U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides an energy storage control device, which comprises a box body and a box door, wherein the box body is hinged with the box door; a heat dissipation mechanism is arranged in the box body; an installation groove is formed in the edge of the outer edge of the box door, and a sealing strip is clamped in the installation groove; the heat dissipation mechanism is arranged on any one or more side plates of the box body and comprises heat absorption blocks fixedly connected to the inner surfaces of the side plates and liquid cooling pipes which are arranged among the heat absorption blocks in a winding mode; the liquid cooling pipe is provided with a liquid cooling pump; the liquid cooling pipe part extends out of the top plate of the box body, and a cooling fan is arranged beside the liquid cooling pipe extending out of the box body part. The battery charging and discharging and control device comprises a battery, a working system, a heat dissipation mechanism and a control module.
Description
Technical Field
The utility model belongs to the technical field of energy storage control, and particularly relates to an energy storage control device.
Background
The intermittent and easy variability of photovoltaic power generation and the continuous improvement of permeability provide a serious challenge to the normal operation and scheduling of the existing power grid system. In recent years, various energy storage technology research and engineering demonstration projects have been rapidly developed in order to utilize more renewable energy sources as much as possible and improve the reliability and efficiency of grid operation. The high-capacity battery energy storage technology is applied to wind power and photovoltaic power generation, can smooth power output fluctuation, reduces impact of the power output fluctuation on a power system, improves the capacity of tracking planned output of a power station, and provides standby energy for construction and operation of a renewable energy power station.
In current technique, need to guarantee the stability of power supply and the life of battery, often install the control unit in energy storage unit one side and come to protect the battery, for example CN202022134317.8 electric power energy storage control system, but control unit and energy storage unit all can produce the heat at the during operation, if the heat can not get timely giving off, can cause the damage to control unit and energy storage unit, and work efficiency descends. If take place overheated phenomenon, to causing very big danger, equipment is difficult to continuously operate, simultaneously, the method through seting up louvre and air discharge fan commonly used among the prior art can lead to the deposition in the device, influences inside electronic component's availability factor and life-span. In addition, the existing energy storage control device is not easy to move, is heavy and is not beneficial to the replacement and use of machinery.
In addition, under the background of two electricity price making and time-of-use electricity price mechanisms, on one hand, the energy storage at the user side can reasonably transfer the power load of the user by using the bidirectional flow characteristic of the energy storage energy through strategies such as low storage and high discharge and the like, so that the monthly maximum demand value of the power consumption of the user can be reduced, and the demand control benefit generated by the basic electricity fee is reduced; on the other hand, the stored energy is charged during the valley time electricity price period, and discharged during the peak time electricity price period, and the peak clipping and valley filling gains can be generated by utilizing the peak-valley electricity price difference, so the user side stored energy becomes one of effective means for reducing the electricity consumption cost of the industrial users. At present, the charge and discharge strategy of the energy storage system is manually set by engineers according to data such as historical load of industrial users through experience, and the optimal economic benefit of the users cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides an energy storage control device, which solves the problems that the energy storage control device is poor in heat dissipation and easy to enter dust in the using process, so that the service life is shortened, and has the effect of improving the power supply stability.
In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:
the utility model provides an energy storage control device, which comprises a box body and a box door, wherein the box body is hinged with the box door; a heat dissipation mechanism is arranged in the box body;
an installation groove is formed in the edge of the outer edge of the box door, and a sealing strip is clamped in the installation groove;
the heat dissipation mechanism is arranged on any one or more side plates of the box body and comprises heat absorption blocks fixedly connected to the inner surfaces of the side plates and liquid cooling pipes which are arranged among the heat absorption blocks in a winding mode; the liquid cooling pipe is provided with a liquid cooling pump; the liquid cooling pipe part extends out of the top plate of the box body, and a cooling fan is arranged beside the liquid cooling pipe extending out of the box body part.
The effect that above-mentioned setting reached: the battery charging and discharging and control device comprises a battery, a working system, a heat dissipation mechanism and a control module. In addition, the design of closed liquid cooling is adopted, so that dust can be prevented from entering the box body, and the service life is prolonged. The setting of chamber door is for conveniently overhauing and adjusting, and the sealing strip can prevent that dust and moisture from getting into through the crack, effectively improves life.
Further setting: a control unit and an energy storage unit are arranged in the box body;
the energy storage unit is connected with the control unit;
the energy storage unit is used for storing and outputting electric quantity;
the control unit is used for controlling the charging and discharging of the energy storage unit.
The effect that above-mentioned setting reached: the control unit can control the energy storage unit to charge and discharge at a proper time, so that the energy storage unit is prevented from being overcharged or overloaded, the service life of the battery is prolonged, and meanwhile, the electricity charge is reduced.
Further setting: the energy storage unit comprises an energy storage battery and a battery management system connected with the energy storage battery;
the control unit comprises a microcontroller, and a photovoltaic power generation power acquisition module, a power utilization load power acquisition module, a parameter setting module, a data storage module, a power supply module, a clock module and a communication module which are all connected with the microcontroller;
the control unit is also connected with a cloud computing unit through the communication module;
the microcontroller is used for controlling and coordinating the action of the whole control unit;
the photovoltaic power generation power acquisition module is connected with the photovoltaic power station header box and used for acquiring real-time power of a photovoltaic power generation end and transmitting the real-time power to the microcontroller;
the power consumption load power acquisition module is connected with the power consumption load end and used for acquiring the real-time power of the power consumption load end and transmitting the real-time power to the microcontroller;
the parameter setting module comprises a touch screen or a key arranged on the box body and is used for acquiring equipment and electricity price parameters and transmitting the equipment and electricity price parameters to the microcontroller, wherein the equipment and electricity price parameters comprise configuration parameters and physical constraint parameters of installed energy storage and different electricity prices in different areas and different time periods;
the data storage module is used for storing the real-time power of the photovoltaic power generation end, the real-time power of the power utilization load end and equipment and power price parameters from the microcontroller;
the power supply module is used for supplying power to the microcontroller, and the clock module is used for providing a clock signal for the microcontroller;
the communication module is used for communicating with the cloud computing unit and a battery management system of the energy storage battery, sending data in the data storage module to the cloud computing unit, receiving an operation result of the cloud computing unit, sending the operation result to the battery management system, and further guiding the operation of the energy storage battery;
the cloud computing unit includes: the photovoltaic power generation prediction module and the user load prediction module can perform photovoltaic power generation prediction and user load prediction by using data sent by the communication module, then the comprehensive solution module executes an energy storage control method for limiting target demand, and the obtained result guides the microcontroller to formulate an energy storage operation strategy.
The energy storage control method for limiting the target demand executed by the comprehensive solving module is based on parameters such as equipment parameters, electricity price parameters and the equivalent load predicted power of the day, the economy of the day under different set control thresholds is solved according to an energy storage control strategy for limiting the target demand, and the control threshold with the optimal economy is obtained through comparison and is used as output.
The effect that above-mentioned setting reached: the cloud computing unit can store data sent by the control unit and process and analyze the information. The photovoltaic power generation prediction module can predict future power generation conditions by using historical data, the user load prediction module can predict future power utilization conditions by using energy consumption historical data, the comprehensive solution module comprehensively predicts the obtained data to solve a control limit value with optimal power utilization economy, the control unit compares the photovoltaic power generation power, the power utilization load power and the control limit value to formulate a reasonable energy storage operation strategy, and then the control unit sends a charging and discharging instruction to a battery management system of the energy storage unit to control the energy storage battery to selectively obtain electric energy from a power grid or provide the electric energy as a power supply, so that the peak clipping and valley filling effects of the energy storage battery are exerted, the power utilization cost is effectively reduced, and the economy of energy storage at the user side is further improved.
Further setting: the photovoltaic power generation power acquisition unit comprises a current sensor, a voltage sensor and a first real-time parameter acquisition module;
the first real-time parameter acquisition module is electrically connected with the photovoltaic power station combiner box through a current sensor and a voltage sensor so as to acquire the current and the voltage of the photovoltaic power station combiner box;
the power utilization load power acquisition unit comprises a current sensor, a voltage sensor and a second real-time parameter acquisition module;
the second real-time parameter acquisition module is electrically connected with the user load end through the current sensor and the voltage sensor, so that the current and the voltage of the user load end are acquired.
Further setting: the interior of the box body is provided with a control cavity and an energy storage cavity respectively from top to bottom through a partition plate, the microcontroller, the data storage module, the power supply module, the clock module and the communication module are positioned in the control cavity, and the energy storage unit is positioned in the energy storage cavity;
a side plate of the box body is provided with a data interface connected with the microcontroller; the data interface is used for connecting the photovoltaic power generation power acquisition module with the power utilization load power acquisition module through a wire.
The effect that above-mentioned setting reached: the chamber is independently favorable for heat dissipation and diffusion, prevents the phenomenon of local overheating, and is favorable for prolonging the service life and improving the working efficiency of the control unit.
Further setting: the heat dissipation mechanism further comprises a heat absorption plate connected to the other end, far away from the side plate of the box body, of the heat absorption block and a heat dissipation sheet welded to the outer side of the side plate of the box body.
The effect that above-mentioned setting reached: the heat absorbing plate can absorb the heat inside the box body and emit the heat through the radiating fins, the temperature inside the charger body is prevented from being too high, meanwhile, through the heat conducting block and the radiating fins, the side plate of the charger can achieve a good heat radiating effect through the box body, external dust or rainwater is prevented from entering the box body through a traditional heat radiating fan hole structure, and the service life of the charger in an environment with much dust and large moisture is prolonged.
Further setting: the device also comprises an overheating early warning mechanism;
the overheating early warning mechanism comprises a temperature sensor, an alarm controller and an alarm; the temperature sensor is arranged in the box body and used for detecting whether the temperature in the box body is overheated or not; the alarm is arranged on a top plate of the box body and used for sending out a warning signal when the temperature in the box body is overheated; the alarm controller is electrically connected with the temperature sensor, and the alarm is electrically connected with the alarm controller.
The effect that above-mentioned setting reached: after installing temperature sensor and alarm controller, in case the temperature in the discovery box is unusual, transmit temperature abnormal signal to alarm controller immediately, later alarm controller drive alarm is reported to the police, makes the staff overhaul, further improves the security to improve life, the concrete alarm mode of alarm can be buzzing or light, chooses alarm lamp and/or buzzer for use, sets up nimble convenience.
Further setting: one or more flowing fans are further arranged in the box body, and the temperature sensor is arranged in the air channel direction of the flowing fans.
The effect that above-mentioned setting reached: the flowing fan sucks air in the internal environment of the box body, the air passes through the temperature sensor at the air opening and is detected by the temperature sensor in real time, so that the air in the box body has certain fluidity, the heat dissipation in the box body is accelerated, the temperature sensor can quickly detect the temperature of the sucked air, the delay phenomenon of heat detection of static air by the overheating early warning mechanism is avoided, and the detection timeliness of the overheating alarm mechanism is improved.
Further setting: a movable base is connected below the bottom plate of the box body, and rollers are arranged below the movable base; a handle is arranged on a top plate of the box body, and a protective sleeve is sleeved outside the handle;
the lower part of the bottom plate of the box body is connected with the movable base through springs which are arranged at equal intervals, a positioning groove is formed in the outer wall of the top of the movable base, and a cushion pad is clamped in the positioning groove.
The effect that above-mentioned setting reached: the roller wheels can enable an operator to conveniently pull the device to move when the relatively flat ground moves, and the handle can enable the operator to conveniently lift the device on the ground with the unevenness, so that the device is more convenient to move and carry. Through the spring and the cushion that set up, spring and cushion are installed between the bottom plate of box and removal base for absorb the impact force that the base transmitted for the machine body that charges, make the impact reduce, prevent that the box body from receiving the damage. In addition, the movable base can enable the box body to be away from the ground by a certain distance, and moisture and dust are prevented.
Further setting: a plurality of expanded spherical cavities are arranged on the liquid cooling pipe outside the box body.
The effect that above-mentioned setting reached: the spherical cavity can influence the flow velocity, promote the absorption and the release of heat, improve the radiating efficiency.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model can effectively prevent heat from accumulating in the device, reduce the damage to the electric parts in the box body and further prolong the service life of the electric control box.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a cooling tube structure of the heat dissipation mechanism of the present invention;
FIG. 3 is an exploded view of the heat dissipation mechanism of the present invention;
FIG. 4 is a diagram of an embodiment of a liquid-cooled tube cassette body according to the present invention;
FIG. 5 is a diagram of another embodiment of a liquid-cooled tube cassette body according to the present invention;
FIG. 6 is a diagram of another embodiment of a liquid-cooled tube cassette body according to the present invention;
FIG. 7 is a schematic view of the internal structure of the case of the present invention;
FIG. 8 is a schematic view of the mobile base structure of the present invention;
FIG. 9 is a schematic diagram of the control architecture of the present invention;
FIG. 10 is a schematic view of the structure of the mobile base with pull rod of the present invention;
FIG. 11 is a schematic view showing the structure of the sealing tape of the present invention;
FIG. 12 is a flow chart of a method of energy storage control to define a target demand of the present invention
In the figure: 1. a box body; 2. a box door; 21. a sealing strip; 3. a heat dissipation mechanism; 31. a heat absorbing block; 32. a liquid-cooled tube; 321. a spherical cavity; 33. a liquid-cooled pump; 34. a heat radiation fan; 35. a heat absorbing plate; 36. a heat sink; 4. a control unit; 5. an energy storage unit; 61. a temperature sensor; 62. an alarm controller; 63. an alarm; 7. a flow fan; 8. moving the base; 81. a roller; 82. a spring; 83. positioning a groove; 84. a cushion pad; 85. a pull rod; 9. a handle.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of describing the present embodiment and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, cannot be construed as limiting the present embodiment.
The first embodiment is as follows:
the embodiment provides an energy storage control device, as shown in fig. 1, which includes a box body 1 and a box door 2, wherein the box body 1 is hinged to the box door 2; a heat dissipation mechanism 3 is arranged in the box body 1;
the outer edge of the box door 2 is provided with a mounting groove, and a sealing strip 21 is clamped in the mounting groove;
the heat dissipation mechanism 3 is arranged on any one or more side plates of the box body 1 and comprises heat absorption blocks 31 fixedly connected to the inner surfaces of the side plates and liquid cooling pipes 32 which are arranged among the heat absorption blocks 31 in a winding way; the liquid cooling pipe 32 is provided with a liquid cooling pump 33; the liquid cooling pipe 32 partially extends out of the top plate of the box body 1, and a heat radiation fan 34 is arranged beside the liquid cooling pipe 32 extending out of the box body 1.
The implementation principle is as follows: the battery charge-discharge and control device all can generate heat at the during operation, and battery and operating system lead to equipment often to generate heat excessively, cause the efficiency and the life of energy storage control system and battery to reduce, and this embodiment is through setting up heat dissipation mechanism 3, improves the radiating efficiency of device to improve the charge-discharge efficiency and the life of device. In addition, the design of closed liquid cooling is adopted, so that dust can be prevented from entering the box body 1, and the service life is prolonged. When using, open liquid-cooled pump 33, liquid flow in liquid-cooled pump 33 drive liquid-cooled pipe 32, make the liquid-cooled pipe 32 who meanders to lay between heat absorption piece 31 constantly take away the heat of box 1 inside, liquid-cooled pipe 32 stretches out the roof through the through-hole of presetting on box 1 roof, radiator fan 34 that sets up on the roof starts, with the 1 outside of box of air-cooling liquid-cooled pipe 32, thereby take away the heat, liquid is at the inside and outside circulation of box 1 in the liquid-cooled pipe 32, thereby reduce the inside temperature of box 1, the radiating efficiency of the device is improved, need not to set up louvre or groove on box 1.
The box door 2 is arranged for convenient maintenance and adjustment, and the sealing strip 21 can prevent dust and moisture from entering through a door gap, so that the service life is effectively prolonged. In addition, a dustproof paste or a dustproof glue is arranged between the through hole of the top plate of the box body 1 and the liquid cooling pipe 32, so that dust is prevented from entering.
In addition, it should be noted that, the main improvement point of this embodiment is that the box 1 of the energy storage control device is internally provided with the control unit 4 and an internal power supply for supplying power to the control unit 4, and the energy storage unit 5 may be additionally connected or may be directly arranged in the box 1. Energy storage unit 5 can set up inside energy storage control device, also can be independent of energy storage control device setting in addition, and energy storage unit 5 includes BMS battery management system and the energy storage battery who is connected with wireless transceiver, through the communication between controller and the BMS battery management system, can realize rationally controlling energy storage battery and carry the electric energy to consumer or charge from the electric wire netting, realizes energy storage economic nature operation. This is just one of the energy storage control implementation manners, and a person skilled in the art may set the box 1 of the present embodiment on any energy storage control device that does not contradict the present embodiment, which should be included in the protection scope of the present invention. The liquid cooling pump 33 can be a micro pump, can be a self-contained power supply, and can also be connected to an internal power supply of the box body 1, and the cooling fan 34 can also be a self-contained power supply or be connected to an internal power supply.
Example two:
the embodiment provides an energy storage control device, which comprises a box body 1 and a box door 2, wherein the box body 1 is hinged with the box door 2; a heat dissipation mechanism 3 is arranged in the box body 1.
The outer edge of the box door 2 is provided with a mounting groove, and a sealing strip 21 is clamped in the mounting groove; the box door 2 is arranged for convenient maintenance and adjustment, and the sealing strip 21 can prevent dust and moisture from entering through a door gap, so that the service life is effectively prolonged. As shown in fig. 11, the mounting groove is provided at the outer edge of the door 2, and is U-shaped, so that the sealing strip 21 can be inserted therein; the sealing strip 21 has a certain elasticity, and can better block and isolate external moisture and dust. The weather strip 21 may be directly attached to the outer edge of the door 2.
As shown in fig. 2, the heat dissipation mechanism 3 is disposed on any one or more side plates of the case 1, and includes heat absorption blocks 31 fixedly connected to the inner surfaces of the side plates and liquid cooling pipes 32 meandering between the heat absorption blocks 31; the liquid cooling pipe 32 is provided with a liquid cooling pump 33; the liquid cooling pipe 32 partially extends out of the top plate of the box body 1, and a heat radiation fan 34 is arranged beside the liquid cooling pipe 32 extending out of the box body 1. The battery charge-discharge and control device all can generate heat at the during operation, and battery and operating system lead to equipment often to generate heat excessively, cause the efficiency and the life of energy storage control system and battery to reduce, and this embodiment is through setting up heat dissipation mechanism 3, improves the radiating efficiency of device to improve the charge-discharge efficiency and the life of device. In addition, the design of closed liquid cooling is adopted, so that dust can be prevented from entering the box body 1, and the service life is prolonged.
A control unit 4 and an energy storage unit 5 are arranged in the box body 1; the energy storage unit 5 is connected with the control unit 4; the energy storage unit 5 is used for storing and outputting electric quantity; the control unit 4 is used for controlling charging and discharging of the energy storage unit 5.
The control unit 4 may take a variety of configurations, such as a controller in the form of a single-chip microcomputer with a wireless transceiver connected to the controller. The energy storage unit 5 comprises a BMS battery management system and an energy storage battery which are connected with the wireless transceiver, and the energy storage battery can be reasonably controlled to convey electric energy to electric equipment or charge from a power grid through communication between the controller and the BMS battery management system, so that energy storage economical operation is realized. This is only one of the energy storage control implementations, and the energy storage unit 5 may be a plurality of sets of lithium titanate batteries.
It should be noted that the box 1 is provided with a plurality of interfaces for connecting with external renewable energy sources and connecting with loads.
As shown in fig. 3, the heat dissipating mechanism 3 further includes a heat absorbing plate 35 connected to the other end of the heat absorbing block 31 away from the side plate of the case 1, and a heat dissipating fin 36 welded to the outside of the side plate of the case 1.
The absorber plate 35 can absorb the heat inside the box body 1, and the heat is dissipated through the radiating fins 36, so that the temperature inside the charger body is prevented from being too high, meanwhile, through the heat conducting block and the radiating fins 36, the side plate of the box body 1 can achieve a good heat dissipation effect, external dust or rainwater is prevented from entering the box body 1 through the traditional heat dissipation fan structure, and the service life of the device in an environment with much dust and large moisture is prolonged. (for convenience of illustration, the liquid-cooled tubes 32 arranged between the heat absorbing blocks 31 in a meandering manner are not shown in FIG. 3). It should be noted that the shape of the heat absorbing block 31 is not limited, and may be a circle as shown in fig. 2 or a square as shown in fig. 3, as long as the heat absorbing block is attached to the liquid cooling pipe 32 to rapidly cool down the temperature.
Preferably, as shown in fig. 4, in order to improve the heat dissipation effect, the pipe diameter of the liquid cooling pipe 32 extending out of the box 1 is thicker, and the thicker pipe diameter can make the flow speed of the liquid in the liquid cooling pipe 32 outside the box 1 slower, which is beneficial to the transmission and dissipation of heat.
Preferably, as shown in fig. 5, the liquid cooling pipe 32 outside the tank 1 is provided with a plurality of spherical cavities 321 that are expanded, and the spherical cavities 321 influence the flow velocity, thereby promoting the absorption and release of heat and improving the heat dissipation efficiency.
Preferably, as shown in fig. 6, the liquid cooling pipes 32 outside the box 1 are a plurality of pipes connected in parallel, and the plurality of pipes are beneficial to increasing the heat dissipation surface and improving the heat dissipation efficiency.
Preferably, a plurality of cooling fans 34 are disposed along the liquid cooling pipes 32 outside the case 1, so as to further improve the cooling efficiency.
As shown in fig. 7, the device of the present embodiment further includes an overheat warning mechanism; the overheating early warning mechanism comprises a temperature sensor 61, an alarm controller 62 and an alarm 63; the temperature sensor 61 is installed inside the cabinet 1, and is used for detecting whether the temperature inside the cabinet 1 is overheated or not; the alarm 63 is arranged on the top plate of the box body 1 and is used for sending out a warning signal when the temperature in the box body 1 is overheated; the alarm controller 62 is electrically connected with the temperature sensor 61, and the alarm 63 is electrically connected with the alarm controller 62.
After installing temperature sensor 61 and alarm controller 62, in case the temperature in the discovery box 1 is unusual, transmit temperature abnormal signal to alarm controller 62 immediately, later alarm controller 62 drive alarm 63 reports to the police, makes the staff overhaul, further improves the security to improve life, the concrete alarm mode of alarm 63 can be buzzing or light, chooses alarm lamp and/or buzzer for use, sets up nimble convenience. If different alarms are required according to the temperature without the threshold, a single chip microcomputer can be selected as the alarm controller 62, and a liquid crystal display can be selected as the alarm 63. The single chip microcomputer in the embodiment can meet the requirement by selecting a model STM32 commonly used in the market, such as STM32G491/A1 and the like.
Preferably, one or more flowing fans 7 are further disposed in the box 1, and the temperature sensor 61 is disposed in the air passage direction of the flowing fans 7.
As shown in fig. 7, the flowing fan 7 sucks air in the internal environment of the box 1, the air passes through the temperature sensor 61 at the air inlet and is detected by the temperature sensor 61 in real time, so that the air in the box 1 has certain fluidity, the heat dissipation in the box 1 is accelerated, the temperature sensor 61 can quickly detect the temperature of the sucked air, the time delay phenomenon of heat detection of static air by the overheating early warning mechanism is avoided, and the detection timeliness of the overheating warning mechanism is improved. The flow fan 7 may be self-powered or electrically connected to the energy storage unit 5, and when the energy storage unit 5 is activated, the flow fan 7 is activated.
Preferably, as shown in fig. 8, a movable base 8 is connected below the bottom plate of the box 1, and rollers 81 are arranged below the movable base 8; a handle 9 is arranged on the top plate of the box body 1, and a protective sleeve is sleeved outside the handle 9; the lower side of the bottom plate of the box body 1 is connected with the movable base 8 through springs 82 which are installed and distributed equidistantly, a positioning groove 83 is formed in the outer wall of the top of the movable base 8, and a cushion 84 is clamped in the positioning groove 83.
Through the removal base 8 and the handle 9 that set up, when comparatively level and smooth ground removed, gyro wheel 81 can make operating personnel conveniently stimulate the device and remove, and subaerial at unevenness, handle 9 then can make things convenient for operating personnel to mention the device for the device is portable more. Through the spring 82 and the cushion 84 that set up, spring 82 and cushion 84 install between the bottom plate of box 1 and removal base 8 for absorb the impact force that the base transmitted for the machine body that charges, make the impact reduce, prevent that the box 1 body from receiving the damage. In addition, the movable base 8 can enable the box body 1 to be away from the ground by a certain distance, and is moisture-proof and dustproof.
In addition, as shown in fig. 10, the movable base 8 may be designed with a pull rod 85 for easy pulling.
The working principle is as follows: when the energy storage control device works, the energy storage control device is pulled to a renewable energy power station (such as a photovoltaic power station) and the vicinity of a user load end through the movable base 8, the energy storage control device is connected with the photovoltaic power station and the user load end through wires, some conventional maintenance is carried out by opening the box door 2, then after the power supply is switched on, the internal flowing fan 7 is opened, the box door 2 is closed, and the liquid cooling pump 33 and the cooling fan 34 are started; the heat is absorbed by the heat absorbing plate 35 and transferred to the heat absorbing block 31, and then the heat is transferred by the liquid cooling pipe 32, and the liquid transfers the heat to the outside of the case 1, and the heat is dissipated to the air through the liquid cooling pipe 32 and the heat dissipating fan 34 outside the case 1. Therefore, the temperature in the box body 1 is reduced, and the operating efficiency and the service life of internal components are improved.
Example three:
the present embodiment provides an energy storage control device, which is different from the second embodiment in that, as shown in fig. 9, the control unit 4 is further connected to a cloud computing unit;
the energy storage unit 5 comprises an energy storage battery and a battery management system connected with the energy storage battery;
the control unit 4 comprises a microcontroller, a photovoltaic power generation power acquisition module, an electricity utilization load power acquisition module, a parameter setting module, a data storage module, a power supply module, a clock module and a communication module which are all connected with the microcontroller;
the communication module is connected with the cloud computing unit;
the microcontroller is used for controlling and coordinating the action of the whole control unit 4;
the photovoltaic power generation power acquisition module is connected with the photovoltaic power station header box and used for acquiring real-time power of a photovoltaic power generation end and transmitting the real-time power to the microcontroller;
the power utilization load power acquisition module is connected with the power utilization load end and used for acquiring the real-time power of the power utilization load end and transmitting the real-time power to the microcontroller;
the parameter setting module comprises a touch screen or a key arranged on the box body 1 and is used for acquiring equipment and electricity price parameters and transmitting the equipment and electricity price parameters to the microcontroller, wherein the equipment and electricity price parameters comprise configuration parameters and physical constraint parameters of installed energy storage, different electricity prices in different time periods in different regions and the like;
the data storage module is used for storing the real-time power of the photovoltaic power generation end, the real-time power of the power utilization load end and the equipment and power price parameters from the microcontroller;
the power supply module is used for supplying power to the microcontroller, and the clock module is used for providing a clock signal for the microcontroller;
the communication module is used for communicating with the cloud computing unit and a battery management system of the energy storage battery, sending data in the data storage module to the cloud computing unit, receiving an operation result of the cloud computing unit, sending the operation result to the battery management system, and further guiding the operation of the energy storage battery.
The photovoltaic power generation power acquisition unit comprises a current sensor, a voltage sensor and a first real-time parameter acquisition module;
the first real-time parameter acquisition module is electrically connected with the photovoltaic power station combiner box through a current sensor and a voltage sensor so as to acquire the current and the voltage of the photovoltaic power station combiner box;
the power utilization load power acquisition unit comprises a current sensor, a voltage sensor and a second real-time parameter acquisition module;
the second real-time parameter acquisition module is electrically connected with the user load end through a current sensor and a voltage sensor so as to acquire the current and the voltage of the user load end;
the cloud computing unit includes: the photovoltaic power generation prediction module and the user load prediction module can perform photovoltaic power generation prediction and user load prediction by utilizing data sent by the communication module, and then the comprehensive solution module executes an energy storage control method for limiting target demand to formulate an energy storage operation strategy.
The energy storage control method for limiting the target demand executed by the comprehensive solving module is based on parameters such as equipment parameters, electricity price parameters and the equivalent load predicted power of the day, the economy of the day under different set control thresholds is solved according to an energy storage control strategy for limiting the target demand, and the control threshold with the optimal economy is obtained through comparison and is used as output.
The energy storage control strategy for limiting the target demand related to the comprehensive solving module is as follows: in each cycle period, when the load power exceeds a set limit value, the energy storage system discharges with the exceeding of partial power, when the time interval between two adjacent discharges exceeds a set minimum charging time, the energy storage system charges with the difference value of the limit value and the current load power, when the current discharge is carried out for the last time, the energy storage discharges to the lowest electric quantity, the current section charges at the valley price time period until the current section is full, and under other conditions, the energy storage is not charged nor discharged.
As shown in fig. 12, as a specific embodiment of the energy storage control method for limiting the target demand, the method includes the following steps:
1) firstly, acquiring equipment parameters, electricity price parameters and equivalent load predicted power of the same day, and setting a control threshold and minimum charging time;
2) according to an energy storage control strategy for limiting the target demand, performing primary treatment on the discharging action exceeding the control threshold by using the control threshold and the minimum charging time;
3) taking the continuous discharge amount before the first charging action as the required capacity, comparing the subsequent charge amount of each time with the next discharge amount, judging whether the difference value of the charge and discharge amounts is superposed or not, and updating the required capacity;
4) until all charging and discharging actions on the same day are traversed, taking 1/(1-lowest allowable charge state) time of the planned capacity as the planned capacity of the current control threshold;
5) calculating the required capacity corresponding to different control limit values by using the model;
6) when the calculated energy storage planned required capacity does not exceed the added energy storage capacity, calculating planned saving electric charges corresponding to different control thresholds under a fixed threshold control strategy, wherein the demand value in the demand management electric charge is determined by the highest load power of the latest month;
7) by comparison, a control threshold is determined that optimizes the economy of the day.
The implementation principle is as follows: the cloud computing unit can store data sent by the control unit and process and analyze the information. The photovoltaic power generation prediction module can predict future power generation conditions by using historical data, the user load prediction module can predict future power utilization conditions by using energy consumption historical data, the comprehensive solution module comprehensively predicts the obtained data to solve a control limit value with optimal power utilization economy, the control unit compares the photovoltaic power generation power, the power utilization load power and the control limit value to formulate a reasonable energy storage operation strategy, and then the control unit sends a charging and discharging instruction to a battery management system of the energy storage unit to control the energy storage battery to selectively obtain electric energy from a power grid or provide the electric energy as a power supply, so that the peak clipping and valley filling effects of the energy storage battery are exerted, the power utilization cost is effectively reduced, and the economy of energy storage at the user side is further improved.
As shown in fig. 7, a control cavity and an energy storage cavity are respectively arranged in the box body 1 from top to bottom through partition plates, the microcontroller, the data storage module, the power supply module, the clock module and the communication module are positioned in the control cavity, and the energy storage unit 5 is positioned in the energy storage cavity; a side plate of the box body 1 is provided with a data interface connected with the microcontroller; the data interface is used for connecting the photovoltaic power generation power acquisition module and the power utilization load power acquisition module through a wire. One or more flow fans 7 are disposed in the control chamber and the energy storage chamber, respectively.
The chamber is independently favorable for heat dissipation and diffusion, prevents the phenomenon of local overheating, and is favorable for prolonging the service life and improving the working efficiency of the control unit 4.
Although photovoltaic power generation is given above as a renewable energy source, it will be appreciated by those skilled in the art that the application of the present invention may be to any renewable energy source unit, including photovoltaic power plants, wind power plants, tidal power plants, geothermal power plants or any combination thereof.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature, and in the description of the utility model, "plurality" means two or more unless explicitly specifically defined otherwise.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
In the description herein, reference to the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (10)
1. The energy storage control device is characterized by comprising a box body and a box door, wherein the box body is hinged with the box door; a heat dissipation mechanism is arranged in the box body;
an installation groove is formed in the edge of the outer edge of the box door, and a sealing strip is clamped in the installation groove;
the heat dissipation mechanism is arranged on any one or more side plates of the box body and comprises heat absorption blocks fixedly connected to the inner surfaces of the side plates and liquid cooling pipes which are arranged among the heat absorption blocks in a winding mode; the liquid cooling pipe is provided with a liquid cooling pump; the liquid cooling pipe part extends out of the top plate of the box body, and a cooling fan is arranged beside the liquid cooling pipe extending out of the box body part.
2. The energy storage control device of claim 1, wherein a control unit and an energy storage unit are arranged in the box body;
the energy storage unit is connected with the control unit;
the energy storage unit is used for storing and outputting electric quantity;
the control unit is used for controlling the charging and discharging of the energy storage unit.
3. The energy storage control device of claim 2, wherein the control unit is further connected with a cloud computing unit;
the energy storage unit comprises an energy storage battery and a battery management system connected with the energy storage battery;
the control unit comprises a microcontroller, and a photovoltaic power generation power acquisition module, a power utilization load power acquisition module, a parameter setting module, a data storage module, a power supply module, a clock module and a communication module which are all connected with the microcontroller;
the communication module is connected with the cloud computing unit;
the microcontroller is used for controlling and coordinating the action of the whole control unit;
the photovoltaic power generation power acquisition module is connected with the photovoltaic power station header box and used for acquiring real-time power of a photovoltaic power generation end and transmitting the real-time power to the microcontroller;
the power consumption load power acquisition module is connected with the power consumption load end and used for acquiring the real-time power of the power consumption load end and transmitting the real-time power to the microcontroller;
the parameter setting module comprises a touch screen or a key arranged on the box body and is used for acquiring equipment and electricity price parameters and transmitting the equipment and electricity price parameters to the microcontroller, wherein the equipment and electricity price parameters comprise configuration parameters and physical constraint parameters of installed energy storage and different electricity prices in different areas and different time periods;
the data storage module is used for storing the real-time power of the photovoltaic power generation end, the real-time power of the power utilization load end and equipment and power price parameters from the microcontroller;
the power supply module is used for supplying power to the microcontroller, and the clock module is used for providing a clock signal for the microcontroller;
the communication module is used for communicating with the cloud computing unit and a battery management system of the energy storage battery, sending data in the data storage module to the cloud computing unit, receiving an operation result of the cloud computing unit, sending the operation result to the battery management system, and further guiding the operation of the energy storage battery;
the cloud computing unit includes: the system comprises a photovoltaic power generation prediction module, a user load prediction module and a comprehensive solving module; the photovoltaic power generation prediction module is used for predicting photovoltaic power generation according to the data sent by the communication module to generate a power generation prediction result; the user load prediction module is used for predicting the optical user load by using the data sent by the communication module to generate a load prediction result; the comprehensive solving module is connected with the photovoltaic power generation prediction module, the user load prediction module and the communication module and used for generating an operation result according to the power generation prediction result and the load prediction result and sending the operation result to the communication module.
4. The energy storage control device of claim 3, wherein the photovoltaic power generation power acquisition module comprises a current sensor, a voltage sensor and a first real-time parameter acquisition module;
the first real-time parameter acquisition module is connected with the photovoltaic power station combiner box through a current sensor and a voltage sensor so as to acquire the current and the voltage of the photovoltaic power station combiner box;
the power utilization load power acquisition module comprises a current sensor, a voltage sensor and a second real-time parameter acquisition module;
the second real-time parameter acquisition module is electrically connected with the user load end through the current sensor and the voltage sensor, so that the current and the voltage of the user load end are acquired.
5. The energy storage control device of claim 4, wherein a control cavity and an energy storage cavity are respectively arranged in the box body from top to bottom through a partition plate, the microcontroller, the data storage module, the power supply module, the clock module and the communication module are positioned in the control cavity, and the energy storage unit is positioned in the energy storage cavity;
a side plate of the box body is provided with a data interface connected with the microcontroller; the data interface is used for connecting the photovoltaic power generation power acquisition module and the power utilization load power acquisition module through a wire.
6. The energy storage control device of claim 1, wherein the heat dissipation mechanism further comprises a heat absorption plate connected to the other end of the heat absorption block away from the side plate of the case, and a heat dissipation fin welded to the outside of the side plate of the case.
7. The energy storage control device of claim 2, wherein the device further comprises an overheat warning mechanism;
the overheating early warning mechanism comprises a temperature sensor, an alarm controller and an alarm; the temperature sensor is arranged in the box body and used for detecting whether the temperature in the box body is overheated or not; the alarm is arranged on a top plate of the box body and used for sending out a warning signal when the temperature in the box body is overheated; the alarm controller is electrically connected with the temperature sensor, and the alarm is electrically connected with the alarm controller.
8. The energy storage control device of claim 7, wherein one or more flowing fans are further arranged in the box body, and the temperature sensor is arranged in the air channel direction of the flowing fans.
9. The energy storage control device of claim 1, wherein a movable base is connected below a bottom plate of the box body, and rollers are arranged below the movable base; a handle is arranged on the top plate of the box body;
the lower part of the bottom plate of the box body is connected with the movable base through springs which are arranged at equal intervals, a positioning groove is formed in the outer wall of the top of the movable base, and a cushion pad is clamped in the positioning groove.
10. The energy storage control device of claim 1, wherein the liquid cooling tube outside the tank has a plurality of enlarged spherical chambers.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116365100A (en) * | 2023-04-04 | 2023-06-30 | 重庆大学 | Automatic cooling energy storage device |
| CN117614084A (en) * | 2024-01-22 | 2024-02-27 | 浙江水文新技术开发经营有限公司 | Solar integrated data acquisition device |
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2021
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116365100A (en) * | 2023-04-04 | 2023-06-30 | 重庆大学 | Automatic cooling energy storage device |
| CN116365100B (en) * | 2023-04-04 | 2023-11-17 | 重庆大学 | Automatic cooling energy storage device |
| CN117614084A (en) * | 2024-01-22 | 2024-02-27 | 浙江水文新技术开发经营有限公司 | Solar integrated data acquisition device |
| CN117614084B (en) * | 2024-01-22 | 2024-04-09 | 浙江水文新技术开发经营有限公司 | Solar integrated data acquisition device |
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