CN117996971B - Box-type energy storage system and intelligent control method thereof - Google Patents
Box-type energy storage system and intelligent control method thereof Download PDFInfo
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- CN117996971B CN117996971B CN202410392667.4A CN202410392667A CN117996971B CN 117996971 B CN117996971 B CN 117996971B CN 202410392667 A CN202410392667 A CN 202410392667A CN 117996971 B CN117996971 B CN 117996971B
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- 238000004146 energy storage Methods 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000009466 transformation Effects 0.000 claims abstract description 41
- 238000009423 ventilation Methods 0.000 claims abstract description 32
- 238000003860 storage Methods 0.000 claims abstract description 31
- 230000010365 information processing Effects 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 239000000779 smoke Substances 0.000 claims description 42
- 238000009434 installation Methods 0.000 claims description 39
- 239000007788 liquid Substances 0.000 claims description 35
- 239000002245 particle Substances 0.000 claims description 24
- 238000005057 refrigeration Methods 0.000 claims description 21
- 230000001276 controlling effect Effects 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 16
- 230000005611 electricity Effects 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 12
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 18
- 230000007480 spreading Effects 0.000 description 7
- 238000003892 spreading Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 4
- 239000010425 asbestos Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical group [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 229910052895 riebeckite Inorganic materials 0.000 description 3
- 241000784732 Lycaena phlaeas Species 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- YFMFNYKEUDLDTL-UHFFFAOYSA-N 1,1,1,2,3,3,3-heptafluoropropane Chemical compound FC(F)(F)C(F)C(F)(F)F YFMFNYKEUDLDTL-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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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
- H02J15/00—Systems for storing electric energy
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention belongs to the technical field of energy storage systems, in particular to a box type energy storage system and an intelligent control method thereof, wherein the box type energy storage system comprises a containing box, a fire-fighting module, a temperature control module, an information acquisition module and a control module, the containing box comprises a mounting frame, a refrigerating box, a control box, a wind discharging box and a storage box, the refrigerating box, the control box, the wind discharging box and the storage box are arranged in the mounting frame, the control module comprises an energy storage unit, a power transformation unit and an information processing unit, the energy storage unit is arranged in the storage box, the power transformation unit and the information processing unit are arranged in the control box, the information processing unit is used for detecting the load condition of a power grid, when the power grid is in a power utilization peak value, the power grid controls the energy storage unit to charge, when the power grid is in a power utilization valley value, the power grid controls the energy storage unit to discharge, the temperature control module comprises a ventilation unit and a refrigerating unit, and the refrigerating unit is arranged in the refrigerating box and is used for controlling the temperature in the containing box; through above-mentioned structure cooperation, provide suitable operational environment, prevent the conflagration simultaneously, reduce the loss.
Description
Technical Field
The invention belongs to the technical field of energy storage systems, and particularly relates to a box-type energy storage system and an intelligent control method thereof.
Background
The energy storage EMS control box is a control device specially aiming at an energy storage system. The core principle is that charge and discharge management of the energy storage equipment is realized by optimizing a scheduling and control strategy so as to improve the energy utilization efficiency and the stability of the system. The control box can collect and process various parameter data of the system, so that comprehensive management and control of the energy storage system are realized.
The Chinese patent with publication number CN212751858U discloses a box-type retired battery energy storage system with a state ubiquitous monitoring function, which comprises a box-type energy storage system, an alarm device, an image acquisition module, a sensor module, an A/D conversion module wireless transmission module, an MCU module and a data display system; the box energy storage system is equipped with data display system and safety monitoring device, MCU module still is connected with wireless transmission module and alarm device, information received with the MCU module is sent to backstage monitoring center or fortune maintenance personnel handheld terminal through wireless transmission module, alarm device is used for scene dangerous case warning, when the conflagration takes place, can carry out audible and visual warning through alarm device, the effectual traditional fire protection system of having solved is too simple, the conflagration comes the problem that can not be timely with fire signal transmission come out temporarily, prevent otherwise, carry out comprehensive control to energy storage device, promote system security.
Although the fire extinguishing function can be realized when a fire disaster occurs in the device, economic loss is caused when the fire disaster occurs, potential risks such as overheat and short circuit can be generated in the working process of the electronic equipment, and in the daily operation of the electronic equipment, it is important to create a high-quality working environment for the electronic element, and the stability, the efficiency and the service life of the equipment are related.
Therefore, the invention provides a box type energy storage system which can prevent fire and provide a suitable working environment and an intelligent control method thereof.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a box-type energy storage system which comprises a containing box, a fire-fighting module, a temperature control module, an information acquisition module and a control module.
The containing box comprises a mounting frame and a refrigerating box, a control box, an exhaust box and a storage box which are arranged in the mounting frame, wherein the mounting frame is used as a framework of the containing box, and an iron sheet plate is arranged on the outer wall of the mounting frame, so that a semi-closed space is formed, and a plurality of chambers for mounting electronic elements are formed in the mounting frame through the refrigerating box, the control box, the exhaust box and the storage box.
The control module comprises an energy storage unit, a power transformation unit and an information processing unit, wherein the energy storage unit is arranged in the storage box, the power transformation unit and the information processing unit are arranged in the control box, and the information processing unit is used for detecting the load condition of the power grid.
And when the power consumption of the power grid is at a peak value, the power grid controls the energy storage unit to charge through the power transformation unit.
When the power grid uses electricity to a valley value, the power grid controls the energy storage unit to discharge through the power transformation unit, so that electric energy is stored in the electricity consumption valley period, and is released in the electricity consumption peak period, and the electric energy is provided for the electric appliance in cooperation with the power grid.
The temperature control module comprises a ventilation unit and a refrigeration unit, wherein the refrigeration unit is arranged in the refrigeration box and used for controlling the temperature in the accommodating box, the ventilation unit is arranged in the air exhaust box and used for controlling the air circulation in the accommodating box, and the heat dissipation efficiency of various electrical appliances is improved by improving the internal circulation rate of the installation frame.
The fire-fighting module comprises a liquid fire-extinguishing unit and a gas fire-extinguishing unit.
The information acquisition module comprises a sensing unit and an information receipt unit, wherein the sensing unit is used for monitoring an environmental signal in the accommodating box, and controlling the ventilation unit, the refrigeration unit, the liquid fire extinguishing unit and the gas fire extinguishing unit to execute commands through the information receipt unit, and the probability of fire disaster occurrence is reduced through the ventilation unit and the refrigeration unit before fire hazard occurs.
Preferably, the energy storage unit comprises an energy storage battery and a charging module, the energy storage battery is electrically connected with the charging module, and the energy storage battery is a lithium iron phosphate battery.
The power transformation unit comprises a current transformation module and a voltage transformation module and is used for realizing current transformation and voltage transformation.
During discharging, the power output end of the energy storage battery is electrically connected with the direct current input end of the current transformation module, and the power of the energy storage battery is connected to an external electric appliance through the voltage transformation module after being transformed.
When the power grid is charged, after the voltage is regulated by the voltage transformation module, the power grid is input from the alternating current side of the current transformation module, the direct current side output end of the current transformation module is electrically connected with the direct current input end of the charging module, and the energy storage battery is charged during the electricity consumption low valley period, so that the electricity consumption low valley period is used for storing the electric energy, and the preparation is made for electricity in the electricity consumption peak period.
Preferably, the sensing unit comprises a temperature sensing module, a smoke sensing module and a concentration sensing module, wherein the temperature sensing module is a common temperature sensor, the smoke sensing module is a common smoke particle concentration sensor, and the concentration sensing module is a common combustible gas concentration sensor.
The temperature sensing module is used for detecting temperature information, the smoke sensing module is used for detecting smoke particle information, the concentration sensing module is used for detecting concentration information of combustible gas, and the temperature sensing module is used for detecting the concentration information of the combustible gas, wherein the temperature information is used for detecting the temperature information, the smoke particle information and the concentration information are used for detecting the concentration information of the combustible gas through a touch screen outside the control box.
The information receipt unit comprises an information receiving module and an information output module, wherein the information receiving module is a common Bluetooth information receiving module, the information output module comprises a Bluetooth information output module and a 5G signal transmission module, and signal output ends of the temperature sensing module, the smoke sensing module and the concentration sensing module are connected with an information input end of the uniform information receiving module.
Preferably, the ventilation unit comprises a diversion fan and a logic controller L1 integrated on a circuit board of the diversion fan, wherein the logic controller L1 is used for controlling the start and stop of a built-in motor of the diversion fan, and simultaneously controlling the rotating speed of the built-in motor of the diversion fan, and sending an instruction to the logic controller L1 through a touch screen for on-site adjustment of the diversion fan.
The information receiving module sends an instruction to the logic controller L1 through the information output module so as to self-adaptively adjust the diversion fan through the temperature signal, the smoke particle concentration signal and the combustible gas concentration signal.
The refrigerating unit comprises a refrigerating module, an air supply module and a logic controller L2 for controlling the output power of the refrigerating module and the air supply module, the refrigerating module refrigerates and conveys cold air into the installation frame through the air supply module, and the logic controller L2 is used for controlling the refrigerating efficiency and the power of air supply;
The information receiving module sends an instruction to the logic controller L2 through the information output module so as to self-adaptively adjust the refrigerating unit through the temperature signal, the smoke particle concentration signal and the combustible gas concentration signal.
The liquid fire extinguishing unit comprises a liquid storage tank, a control valve and a logic controller L3 integrated on the control valve, wherein the output end of the liquid storage tank is connected with a control pump through a conduit, the inner cavity of the liquid storage tank stores fire extinguishing liquid, the control valve adopts a common electromagnetic valve, and the logic controller L3 controls the on and off of the control valve so as to control the discharge of the fire extinguishing liquid.
The information receiving module sends an instruction to the logic controller L3 through the information output module so as to control the discharge of the fire extinguishing liquid in a self-adaptive mode through the temperature signal, the smoke particle concentration signal and the combustible gas concentration signal.
The gas fire extinguishing unit comprises a gas storage tank, a switch valve and a logic controller L4 integrated on the switch valve, wherein fire extinguishing gas is stored in the gas storage tank, the switch valve is a common electromagnetic valve, and the switch valve is controlled by the logic controller L4, so that the discharge of the fire extinguishing gas is controlled.
The information receiving module sends an instruction to the logic controller L4 through the information output module so as to control the discharge of the fire extinguishing gas in a self-adaptive mode through the temperature signal, the smoke particle concentration signal and the combustible gas concentration signal.
Preferably, the partition plate is detachably arranged in the installation frame, the partition plate divides the installation frame into a plurality of independent chambers, and the partition plate is a fireproof asbestos plate, so that when a fire occurs, the effect of isolating a fire source and preventing the fire from spreading can be achieved, the bottom of the partition plate is fixedly provided with the ventilation frame, so that air and cold air in each chamber circulate, and the side wall of the partition plate is fixedly provided with the liquid runner pipe and the gas runner pipe.
The input end of the liquid flow pipe is connected with the output end of the control valve, and the liquid flow pipe provides a flow pipeline for the fire extinguishing liquid.
The input of gas runner pipe is connected with the output of gas storage jar, and the output of gas runner pipe is connected with the input of ooff valve, and gas runner pipe provides the flow pipeline for fire extinguishing gas.
Preferably, the inner wall fixed mounting of division board has the protective tube, and the protective tube selects for use high temperature resistant explosion-proof glass, establishes the space that supplies the pencil to run through in the protective tube, and the surface insulating rubber layer is got rid of to the pencil that is located the protective tube, gets rid of surface insulating rubber layer's pencil section through the protective tube parcel, and the inner chamber of protective tube communicates with the inner chamber of gas flow tube to make the protective tube be full of fire extinguishing gas, the fire is along the time delay of pencil tendril, the fire extinguishing gas puts out a fire, further prevents that the fire from spreading.
The axial end fixed mounting of protection pipe has the elastic plate, the surface of elastic plate sets up to the slope form, the inner wall fixed mounting of elastic plate has the sealing ring, the sealing ring is the fire prevention rubber ring, extrude the elastic plate, until the sealing ring closely laminates with the outer wall of pencil, thereby realize the sealing connection of protection pipe and pencil, prevent that the fire extinguishing gas from leaking, the radial outer wall of protection pipe is connected with the control ring through the internal and external screw thread cooperation, the radial inner wall of control ring is laminated with the outer wall slip of elastic plate, the inner wall of control ring is provided with the inclined plane with the outer wall adaptation of elastic plate, drive the axis of control ring along the protection pipe through rotating the control ring and give, thereby extrude the elastic plate.
Preferably, the upper end face of the inner wall of the ventilation frame is fixedly provided with an exhaust funnel, the exhaust funnel is a common copper pipe, the inner cavity of the exhaust funnel is communicated with the gas flow pipe through the protection pipe, and fire extinguishing gas can be discharged into the ventilation frame through the exhaust funnel.
In order to prevent fire from spreading to adjacent chambers along the ventilation frame, the inner cavity of the exhaust tube is fixedly provided with a blocking ring, the inner wall of the exhaust tube is fixedly provided with a mounting frame, the upper end surface of the mounting frame is elastically provided with a sealing plug for sealing the blocking ring, and when the fire occurs, the sealing plug is slid until the sealing plug is separated from the blocking ring, and the fire extinguishing gas is discharged.
Preferably, the inner wall fixed mounting who ventilates the frame has the support frame, the inner wall demountable installation of support frame has the backup pad, the backup pad passes through the screw and is connected with the support frame, the inner wall demountable installation of backup pad has the temperature sensing frame, the temperature sensing frame selects common wood alloy to use, when the conflagration, flame temperature fusing temperature sensing frame, the up end of temperature sensing frame is provided with the supporting shoe, the one end that the temperature sensing frame was kept away from to the supporting shoe is passed through the connecting rod and is closed stopper fixed connection, provide the support for closing stopper through the temperature sensing frame, so that the state that the closing stopper keeps closely laminating with the stop ring, the bottom surface of supporting shoe is provided with pressure sensing module, pressure sensing module is used for real-time supervision supporting shoe to the pressure of temperature sensing frame.
The intelligent control method of the box-type energy storage system adopts the box-type energy storage system and comprises the following steps:
A1, generating heat energy in the charging and discharging process of the energy storage battery, and monitoring a temperature signal by a temperature sensing module when the temperature in the installation frame rises;
a2, along with the temperature rise in the installation frame, the logic controller L1 controls the rotation speed of the motor of the lifting diversion fan;
a3, when the air circulation heat dissipation efficiency controlled by the diversion fan is lower than the heating efficiency of electronic elements in the installation frame, the refrigeration unit is interposed, and the compressor of the refrigeration module works to provide cool air for the installation frame;
A4, when the temperature of the inner cavity of the installation frame is reduced to the required temperature, the compressor stops working, and meanwhile, the motor rotation speed of the diversion fan is reduced, so that the loss of cold air is reduced.
The method further comprises the steps of:
M1, when the control module works, the concentration sensor monitors the concentration of the combustible gas in the inner cavity of the installation frame in real time, and when the concentration of the combustible gas reaches a dangerous value, the logic controller L1 controls the rotation speed of the diversion fan motor to be increased;
When the smoke sensor detects smoke particles, and the temperature detected by the temperature sensor is lower than the combustion temperature, the logic controller L1 controls the rotation speed of the diversion fan motor to be increased;
And M3, when the smoke sensor detects smoke particles, and when the temperature detected by the temperature sensor reaches the combustion temperature, the logic controller L3 and the logic controller L4 control the on/off valve and the control valve at corresponding positions in the mounting frame to be conducted.
The beneficial effects of the invention are as follows:
1. According to the invention, the fire control module, the temperature control module and the information acquisition module are arranged, the temperature signal, the smoke particle concentration signal and the combustible gas concentration signal are respectively acquired through the information acquisition module in the using process, the rotating speed of the diversion fan motor is controlled and improved through the logic controller L1, the refrigerating unit is intervened when the temperature is too high, the compressor of the refrigerating module works to provide cold air for the installation frame, a proper working environment is provided, the ventilation unit is ventilated when the combustible gas concentration reaches a dangerous value, and therefore, the effect of preventing fire disaster is achieved, the service life is prolonged, the fire risk is reduced, and the situation is prevented;
2. According to the invention, the partition plate is arranged to divide the inside of the installation frame into a plurality of independent chambers, and the partition plate is made of fireproof asbestos plates, so that when a fire occurs, the effect of isolating a fire source and preventing the spread of the fire is achieved, meanwhile, the protective pipe communicated with the gas flow pipe is arranged, so that when the fire occurs, the spread of the flame on the outer wall of the lead can be blocked as far as possible, and meanwhile, the exhaust pipe communicated with the gas flow pipe is arranged, so that the exhaust pipe is exhausted when the fire occurs, the spread of the fire is further prevented, and the fire loss is reduced.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a diagram of a tank circuit of the present invention (where "beauty" in the drawing refers to American transformer, "BCP" refers to control program, two components at the top of local controller refer to energy storage converter);
FIG. 2 is a schematic overall construction of the present invention;
FIG. 3 is a schematic view of the installation of the divider plate of the present invention;
FIG. 4 is a schematic view of the installation of a protective tube in the present invention;
FIG. 5 is a schematic view showing the internal structure of the protective tube according to the present invention;
FIG. 6 is a schematic view of the installation of the support frame of the present invention;
FIG. 7 is a schematic view of the installation of the support plate of the present invention;
FIG. 8 is a schematic view showing the internal structure of the exhaust pipe according to the present invention;
FIG. 9 is a flow chart of temperature control in the present invention;
Fig. 10 is a flow chart of the fire fighting in the present invention.
In the figure: 1. a mounting frame; 2. a refrigeration box; 3. a control box; 4. a blow-out box; 5. a storage box; 6. a partition plate; 7. a gas flow pipe; 8. a control loop; 9. a liquid flow pipe; 10. a ventilation frame; 11. a protective tube; 12. an elastic plate; 13. a seal ring; 14. an exhaust pipe; 15. a support frame; 16. a support plate; 17. a support block; 18. a temperature sensing frame; 19. closing the plug; 20. a blocking ring; 21. and (5) mounting a frame.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Embodiment one: as shown in fig. 1 to 5, the box-type energy storage system according to the embodiment of the invention includes a storage box, a fire-fighting module, a temperature control module, an information acquisition module and a control module.
The containing box comprises a mounting frame 1 and a refrigerating box 2, a control box 3, an exhaust box 4 and a storage box 5 which are arranged in the mounting frame 1, wherein the mounting frame 1 is used as a framework of the containing box, an iron sheet plate is arranged on the outer wall of the mounting frame 1, so that a semi-closed space is formed, and the interior of the mounting frame 1 is divided into a plurality of chambers for mounting electronic components through the refrigerating box 2, the control box 3, the exhaust box 4 and the storage box 5, so that a complete box type energy storage cabinet is formed.
The control module comprises an energy storage unit, a power transformation unit and an information processing unit, wherein the energy storage unit is arranged in a storage box 5, the power transformation unit and the information processing unit are arranged in a control box 3, the information processing unit is used for detecting the load condition of a power grid, and the information processing unit comprises an energy storage EMS control panel and a touch screen arranged outside the control box 3 and is used for displaying the power consumption condition of the power grid.
And when the power consumption of the power grid is at a peak value, the power grid controls the energy storage unit to charge through the power transformation unit.
When the power grid uses electricity to a valley value, the power grid controls the energy storage unit to discharge through the power transformation unit, so that electric energy is stored in the electricity consumption valley period, and is released in the electricity consumption peak period, and the electric energy is provided for the electric appliance in cooperation with the power grid.
The temperature control module comprises a ventilation unit and a refrigeration unit, wherein the refrigeration unit is arranged in the refrigeration box 2 and used for controlling the temperature in the accommodating box, the ventilation unit is arranged in the exhaust box 4 and used for controlling the gas circulation in the accommodating box, the heat dissipation efficiency of various electric appliances is improved by improving the internal circulation rate of the installation frame 1, and when electric energy is distributed, a proper working environment is provided for the various electric appliances, so that the service life is prolonged and the working efficiency is improved.
The fire-fighting module comprises a liquid fire-extinguishing unit and a gas fire-extinguishing unit.
The information acquisition module comprises a sensing unit and an information receipt unit, wherein the sensing unit is used for monitoring an environmental signal in the accommodating box, and controlling the ventilation unit, the refrigeration unit, the liquid fire extinguishing unit and the gas fire extinguishing unit to execute commands through the information receipt unit, so that the probability of fire occurrence is reduced through the ventilation unit and the refrigeration unit before fire hazard occurs, and fire is extinguished through the liquid fire extinguishing unit and the gas fire extinguishing unit when fire occurs.
The energy storage unit comprises an energy storage battery and a charging module, wherein the energy storage battery is electrically connected with the charging module, in the embodiment, the energy storage battery is a lithium iron phosphate battery, the specific model can be selected according to actual requirements, and the charging module is a lithium battery charging module matched with the energy storage battery.
The transformation unit comprises a transformation module and a transformation module, wherein the transformation module is a step-up transformer matched with the transformation module, and the transformation module, the lithium iron phosphate battery and the energy storage converter are arranged in corresponding containers.
During discharging, the power output end of the energy storage battery is electrically connected with the direct current input end of the current transformation module, the power of the energy storage battery is transformed and connected into an external electric appliance through the voltage transformation module, and during the electricity utilization peak period, the energy storage battery converts direct current into alternating current through the current transformation module, then is boosted through the voltage transformation module and is transmitted to a power grid so as to provide power for the electric appliance, and reasonable distribution of electricity utilization is realized.
The power grid is input through the alternating current side of the variable-voltage module after voltage is regulated by the variable-voltage module, the direct current side output end of the variable-voltage module is electrically connected with the direct current input end of the charging module, the power grid voltage is reduced through the variable-voltage module and is output to the variable-voltage module when the power consumption is in the low peak period, and finally the alternating current is converted into direct current through the variable-voltage module to charge the energy storage battery through the cooperation of the variable-voltage module and the charging module, so that the electric energy is stored in the low peak period of the power consumption, and the preparation is made for the electricity in the high peak period of the power consumption.
The sensing unit comprises a temperature sensing module, a smoke sensing module and a concentration sensing module, wherein the temperature sensing module is a common temperature sensor, the smoke sensing module is a common smoke particle concentration sensor, and the concentration sensing module is a common combustible gas concentration sensor.
The temperature sensing module is used for detecting temperature information, the smoke sensing module is used for detecting smoke particle information, the concentration sensing module is used for detecting combustible gas concentration information, wherein, through the touch screen outside the control box 3, a safety value can be set, when temperature signals, smoke particle concentration signals and combustible gas concentration signals exceed the safety value, the temperature signals, the smoke particle concentration signals and the combustible gas concentration signals are fed back to the background cloud management system so as to facilitate remote observation of staff, and meanwhile, the touch screen displays the temperature signals, the smoke particle concentration signals and the combustible gas concentration signals in real time during operation so as to facilitate on-site staff to observe data.
The information receipt unit comprises an information receiving module and an information output module, wherein the information receiving module is a common Bluetooth information receiving module, the information output module comprises a Bluetooth information output module and a 5G signal transmission module, the signal output ends of the temperature sensing module, the smoke sensing module and the concentration sensing module are connected with the information input end of the uniform information receiving module, the Bluetooth information output module is used for sending information to an electronic element receiving signals in a field machine body, and the 5G signal transmission module is used for being matched with a base station and sending data information to a background cloud, so that the monitoring of the device by the field and the background is facilitated.
The ventilation unit comprises a diversion fan and a logic controller L1 integrated on a diversion fan circuit board, wherein the logic controller L1 is used for controlling the start and stop of a built-in motor of the diversion fan, and simultaneously controlling the rotating speed of the built-in motor of the diversion fan, and sending an instruction to the logic controller L1 through a touch screen for on-site adjustment of the diversion fan.
The information receiving module sends an instruction to the logic controller L1 through the information output module so as to self-adaptively adjust the diversion fan through the temperature signal, the smoke particle concentration signal and the combustible gas concentration signal.
The refrigerating unit comprises a refrigerating module, an air supply module and a logic controller L2 for controlling the output power of the refrigerating module and the air supply module, wherein the refrigerating module consists of a cold compressor, a condenser, a capillary tube, an evaporator, an electromagnetic reversing valve, a filter and a refrigerant, the air supply module consists of a centrifugal fan and an axial flow fan and is a common air conditioner, the specific refrigerating working principle of the air conditioner is not excessively repeated here, the refrigerating module refrigerates, cold air is conveyed into the installation frame 1 through the air supply module, and the logic controller L2 is used for controlling the refrigerating efficiency and the power of air supply;
The information receiving module sends an instruction to the logic controller L2 through the information output module so as to self-adaptively adjust the refrigerating unit through the temperature signal, the smoke particle concentration signal and the combustible gas concentration signal.
The liquid fire extinguishing unit comprises a liquid storage tank, a control valve and a logic controller L3 integrated on the control valve, wherein the output end of the liquid storage tank is connected with the control valve through a conduit, the fire extinguishing liquid is stored in the inner cavity of the liquid storage tank, the control valve is a common electromagnetic valve, and the logic controller L3 controls the control valve to be conducted and closed so as to control the discharge of the fire extinguishing liquid.
The information receiving module sends an instruction to the logic controller L3 through the information output module so as to control the discharge of the fire extinguishing liquid in a self-adaptive mode through the temperature signal, the smoke particle concentration signal and the combustible gas concentration signal.
The gas fire extinguishing unit comprises a gas storage tank, a switch valve and a logic controller L4 integrated on the switch valve, fire extinguishing gas is stored in the gas storage tank, HFC-227ea gas is selected and used in the embodiment, the switch valve is a common electromagnetic valve, and the switch valve is controlled through the logic controller L4, so that the discharge of the fire extinguishing gas is controlled.
The information receiving module sends an instruction to the logic controller L4 through the information output module so as to control the discharge of the fire extinguishing gas in a self-adaptive mode through the temperature signal, the smoke particle concentration signal and the combustible gas concentration signal.
In this embodiment, the logic controller L1, the logic controller L2, the logic controller L3 and the logic controller L4 all select a common MCU, and in addition, in order to accurately locate the fire position, a temperature sensing module, a smoke sensing module and a concentration sensing module are all disposed in each chamber in the installation frame 1.
The partition plate 6 is detachably arranged in the installation frame 1, the partition plate 6 divides the installation frame 1 into a plurality of independent chambers, the partition plate 6 is made of fireproof asbestos plates, when a fire occurs, the fire source can be isolated, the fire spreading prevention effect is achieved, accordingly, fire loss is reduced, electronic elements in areas without fire are protected, the ventilation frame 10 is fixedly arranged at the bottom of the partition plate 6, so that air and cold air in each chamber circulate, and the liquid circulation pipe 9 and the gas circulation pipe 7 are fixedly arranged on the side wall of the partition plate 6.
The input end of the liquid flow pipe 9 is connected with the output end of the control valve, and the liquid flow pipe 9 provides a flow pipeline for the fire extinguishing liquid.
The input of gas runner pipe 7 is connected with the output of gas storage jar, and the output of gas runner pipe 7 is connected with the input of ooff valve, and gas runner pipe 7 provides the flow pipeline for fire extinguishing gas.
A circuit fire is a fire situation that requires a great deal of attention because numerous electronic components are provided inside the mounting frame 1, and when a circuit fire occurs, the fire spreads along the wires, causing loss.
The inner wall fixed mounting of division board 6 has protective tube 11, protective tube 11 selects high temperature resistant explosion-proof glass for use, establish the space that supplies the pencil to run through in the protective tube 11, the surface insulating rubber layer is got rid of to the pencil that is located protective tube 11, get rid of the pencil section of surface insulating rubber layer through the parcel of protective tube 11, get rid of the surface insulating rubber layer section when circuit conflagration can prevent the fire as far as possible and spread, thereby reduce the loss of other cavities, the inner chamber of protective tube 11 and the inner chamber intercommunication of gas runner pipe 7, thereby make protective tube 11 be full of fire extinguishing gas, the fire extinguishing gas is put out a fire along the pencil tendril, further prevent the fire and spread, the security is improved.
The axial end fixed mounting of protection pipe 11 has elastic plate 12, the surface of elastic plate 12 sets up to the slope form, the inner wall fixed mounting of elastic plate 12 has sealing ring 13, sealing ring 13 is fire prevention rubber ring, extrude elastic plate 12, until sealing ring 13 closely laminates with the outer wall of pencil, thereby realize the sealing connection of protection pipe 11 and pencil, prevent the gas leakage of putting out a fire, the radial outer wall of protection pipe 11 is connected with control ring 8 through the internal and external screw thread cooperation, the radial inner wall of control ring 8 is laminated with the outer wall slip of elastic plate 12, the inner wall of control ring 8 is provided with the inclined plane with the outer wall adaptation of elastic plate 12, drive control ring 8 through rotating control ring 8 and advance along the axis of protection pipe 11, thereby extrude elastic plate 12, realize the sealing connection of protection pipe 11 and pencil.
Embodiment two: as shown in fig. 6 to 8, a comparative example one in which another embodiment of the present invention is:
The upper end surface of the inner wall of the ventilation frame 10 is fixedly provided with an exhaust funnel 14, the exhaust funnel 14 is a common copper pipe, the inner cavity of the exhaust funnel 14 is communicated with the gas flow pipe 7 through the protection pipe 11, and fire extinguishing gas can be discharged into the ventilation frame 10 through the exhaust funnel 14.
In order to prevent fire from spreading to adjacent chambers along the ventilation frame 10, the inner cavity of the exhaust funnel 14 is fixedly provided with a blocking ring 20, the inner wall of the exhaust funnel 14 is fixedly provided with a mounting frame 21, the upper end surface of the mounting frame 21 is elastically provided with a closing plug 19 for blocking the blocking ring 20, the outer wall of the mounting frame 21 is fixedly provided with a spring, the other end of the spring is connected with the closing plug 19, and when fire occurs, the closing plug 19 is slid until the closing plug 19 is separated from the blocking ring 20, and fire extinguishing gas is discharged at the moment, so that the fire is prevented from passing through the ventilation frame 10 as much as possible, and the risk of fire spreading is reduced.
The inner wall fixed mounting who ventilates frame 10 has support frame 15, support frame 15's inner wall demountable installation has backup pad 16, backup pad 16 passes through the screw and is connected with support frame 15, support plate 16's inner wall demountable installation has temperature-sensing frame 18, temperature-sensing frame 18 selects common wood's alloy, when conflagration, flame temperature fuses temperature-sensing frame 18, temperature-sensing frame 18's up end is provided with supporting shoe 17, the one end that temperature-sensing frame 18 was kept away from to supporting shoe 17 passes through connecting rod and closure plug 19 fixed connection, provide the support for closure plug 19 through temperature-sensing frame 18, so that closure plug 19 keeps the state closely laminating with blocking ring 20, the bottom surface of supporting shoe 17 is provided with pressure sensing module, pressure sensing module is used for real-time supervision supporting shoe 17 to temperature-sensing frame 18's pressure, thereby realize detecting the atmospheric pressure in the gas storage jar, and through touch screen display, in order to the staff to replenish the fire extinguishing gas.
The elastic force of the spring pulls the closing plug 19 in real time, so that the closing plug 19 has a trend of being separated from the blocking ring 20 in real time, when fire spreads to the ventilation frame 10, the high temperature fuses the temperature sensing frame 18, at the moment, the spring releases the closing plug 19, fire extinguishing gas is injected into the ventilation frame 10, fire spreading is prevented, and after the fire is over, the temperature sensing frame 18 and the supporting plate 16 are replaced, so that repeated use is realized, and the use cost is reduced.
As shown in fig. 9-10, an intelligent control method of a box-type energy storage system, the method adopts the box-type energy storage system, and comprises the following steps:
A1, generating heat energy in the charging and discharging process of an energy storage battery, wherein the temperature in the installation frame 1 rises, and a temperature sensing module monitors a temperature signal;
A2, along with the temperature rise in the installation frame 1, the logic controller L1 controls the rotation speed of the motor of the lifting diversion fan;
A3, when the air circulation heat dissipation efficiency controlled by the diversion fan is lower than the heating efficiency of electronic elements in the installation frame 1, the refrigeration unit is interposed, and the compressor of the refrigeration module works to provide cool air for the installation frame 1;
A4, when the temperature of the inner cavity of the installation frame 1 is reduced to the required temperature, the compressor stops working, and meanwhile, the motor rotation speed of the diversion fan is reduced, so that the loss of cold air is reduced.
The method further comprises the steps of:
M1, when the control module works, the concentration sensor monitors the concentration of the combustible gas in the inner cavity of the installation frame 1 in real time, and when the concentration of the combustible gas reaches a dangerous value, the logic controller L1 controls the rotation speed of the diversion fan motor to be increased;
When the smoke sensor detects smoke particles, and the temperature detected by the temperature sensor is lower than the combustion temperature, the logic controller L1 controls the rotation speed of the diversion fan motor to be increased;
And when the smoke sensor detects smoke particles and the temperature sensor detects that the temperature reaches the combustion temperature, the logic controller L3 and the logic controller L4 control the on/off valve and the control valve at the corresponding positions in the mounting frame 1 to be conducted.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A box energy storage system, characterized by: the fire control system comprises a containing box, a fire control module, a temperature control module, an information acquisition module and a control module;
The storage box comprises a mounting frame (1), a refrigerating box (2) arranged in the mounting frame (1), a control box (3), a blow-out box (4) and a storage box (5);
the control module comprises an energy storage unit, a power transformation unit and an information processing unit, wherein the energy storage unit is arranged in a storage box (5), the power transformation unit and the information processing unit are arranged in a control box (3), and the information processing unit is used for detecting the load condition of a power grid;
when the power consumption of the power grid is at a peak value, the power grid controls the energy storage unit to charge through the power transformation unit;
When the power grid uses the electricity valley value, the power grid controls the energy storage unit to discharge through the power transformation unit;
The temperature control module comprises a ventilation unit and a refrigeration unit, wherein the refrigeration unit is arranged in the refrigeration box (2) and used for controlling the temperature in the accommodating box, and the ventilation unit is arranged in the air exhaust box (4) and used for controlling the gas circulation in the accommodating box;
The fire-fighting module comprises a liquid fire-extinguishing unit and a gas fire-extinguishing unit;
the information acquisition module comprises a sensing unit and an information receipt unit, wherein the sensing unit is used for monitoring an environment signal in the accommodating box and controlling the ventilation unit, the refrigeration unit, the liquid fire extinguishing unit and the gas fire extinguishing unit to execute commands through the information receipt unit;
the energy storage unit comprises an energy storage battery and a charging module, and the energy storage battery is electrically connected with the charging module;
The power transformation unit comprises a current transformation module and a voltage transformation module;
during discharging, the power output end of the energy storage battery is electrically connected with the direct current input end of the conversion module, and the power of the energy storage battery is connected to an external electric appliance through the transformation module after conversion;
When in charging, the power grid is input from the alternating current side of the current transformation module after the voltage is regulated by the voltage transformation module, and the direct current side output end of the current transformation module is electrically connected with the direct current input end of the charging module;
The sensing unit comprises a temperature sensing module, a smoke sensing module and a concentration sensing module;
The temperature sensing module is used for detecting temperature information, the smoke sensing module is used for detecting smoke particle information, and the concentration sensing module is used for detecting concentration information of combustible gas;
The information receipt unit comprises an information receiving module and an information output module, and signal output ends of the temperature sensing module, the smoke sensing module and the concentration sensing module are uniformly connected with an information input end of the information receiving module;
the ventilation unit comprises a diversion fan and a logic controller L1 integrated on a circuit board of the diversion fan;
The information receiving module sends an instruction to the logic controller L1 through the information output module;
The refrigerating unit comprises a refrigerating module, an air supply module and a logic controller L2 for controlling the output power of the refrigerating module and the air supply module;
the information receiving module sends an instruction to the logic controller L2 through the information output module;
The liquid fire extinguishing unit comprises a liquid storage tank, a control valve and a logic controller L3 integrated on the control valve, wherein the output end of the liquid storage tank is connected with the control valve through a conduit;
The information receiving module sends an instruction to the logic controller L3 through the information output module;
The gas fire extinguishing unit comprises a gas storage tank, a switch valve and a logic controller L4 integrated on the switch valve;
The information receiving module sends an instruction to the logic controller L4 through the information output module;
the device is characterized in that a partition plate (6) is detachably arranged in the mounting frame (1), a ventilation frame (10) is fixedly arranged at the bottom of the partition plate (6), and a liquid flow pipe (9) and a gas flow pipe (7) are fixedly arranged on the side wall of the partition plate (6);
The input end of the liquid circulation pipe (9) is connected with the output end of the control valve;
The input end of the gas flow pipe (7) is connected with the output end of the gas storage tank, and the output end of the gas flow pipe (7) is connected with the input end of the switch valve;
the inner wall of the separation plate (6) is fixedly provided with a protection pipe (11), a space for a wire harness to penetrate is arranged in the protection pipe (11), the wire harness positioned in the protection pipe (11) removes an insulating rubber layer on the outer surface, and the inner cavity of the protection pipe (11) is communicated with the inner cavity of the gas flow pipe (7);
The protection pipe is characterized in that an elastic plate (12) is fixedly arranged at the axial end of the protection pipe (11), a sealing ring (13) is fixedly arranged on the inner wall of the elastic plate (12), a control ring (8) is connected to the radial outer wall of the protection pipe (11) through internal and external screw threads in a matched mode, and the radial inner wall of the control ring (8) is in sliding fit with the outer wall of the elastic plate (12).
2. The tank energy storage system of claim 1, wherein: an exhaust funnel (14) is fixedly arranged on the upper end surface of the inner wall of the ventilation frame (10), the exhaust funnel (14) penetrates through the ventilation frame (10), and the inner cavity of the exhaust funnel (14) is communicated with the gas circulation pipe (7) through a protection pipe (11);
the inner cavity of the exhaust funnel (14) is fixedly provided with a blocking ring (20), the inner wall of the exhaust funnel (14) is fixedly provided with a mounting frame (21), and the upper end surface of the mounting frame (21) is elastically provided with a closing plug (19) for closing the blocking ring (20).
3. A tank energy storage system according to claim 2, wherein: the inner wall fixed mounting of ventilation frame (10) has support frame (15), the inner wall demountable installation of support frame (15) has backup pad (16), the inner wall demountable installation of backup pad (16) has temperature sensing frame (18), the up end of temperature sensing frame (18) is provided with supporting shoe (17), supporting shoe (17) keep away from one end of temperature sensing frame (18) pass through the connecting rod with seal stopper (19) fixed connection, the bottom surface of supporting shoe (17) is provided with pressure sensing module.
4. An intelligent control method of a box-type energy storage system, which adopts the box-type energy storage system as claimed in claim 3, and is characterized in that: the method comprises the following steps:
A1, generating heat energy in the charging and discharging process of an energy storage battery, wherein the temperature in the installation frame (1) rises, and a temperature sensing module monitors a temperature signal;
a2, along with the temperature rise in the installation frame (1), the logic controller L1 controls the rotation speed of the motor of the lifting diversion fan;
A3, when the air circulation heat dissipation efficiency controlled by the diversion fan is lower than the heating efficiency of electronic elements in the installation frame (1), the refrigeration unit intervenes to start refrigeration, and cool air is provided for the installation frame (1);
A4, when the temperature of the inner cavity of the installation frame (1) is reduced to the required temperature, the refrigerating unit stops working, and meanwhile, the motor rotation speed of the diversion fan is reduced, so that the loss of cold air is reduced.
5. The intelligent control method of a tank energy storage system according to claim 4, wherein: the method further comprises the steps of:
M1, when the control module works, the concentration sensor monitors the concentration of combustible gas in the inner cavity of the installation frame (1) in real time, and when the concentration of the combustible gas reaches a dangerous value, the logic controller L1 controls the rotation speed of the diversion fan motor to be increased;
When the smoke sensor detects smoke particles, and the temperature detected by the temperature sensor is lower than the combustion temperature, the logic controller L1 controls the rotation speed of the diversion fan motor to be increased;
And when the smoke sensor detects smoke particles and the temperature sensor detects that the temperature reaches the combustion temperature, the logic controller L3 and the logic controller L4 control the on/off valve and the control valve at corresponding positions in the mounting frame (1) to be conducted.
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