CN219423615U - Early warning system of new energy storage power station - Google Patents
Early warning system of new energy storage power station Download PDFInfo
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- CN219423615U CN219423615U CN202320114031.4U CN202320114031U CN219423615U CN 219423615 U CN219423615 U CN 219423615U CN 202320114031 U CN202320114031 U CN 202320114031U CN 219423615 U CN219423615 U CN 219423615U
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- early warning
- energy storage
- fire extinguishing
- wireless communication
- power station
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
An early warning system of a new energy storage power station comprises an energy storage cabinet, wherein a plurality of battery boxes are arranged in the energy storage cabinet, a plurality of battery packs are arranged in each battery box, and the early warning system also comprises a plurality of detection terminals, a collection terminal and fire extinguishing equipment; the detection terminals are arranged on the energy storage cabinet and correspond to the battery boxes one by one, and each detection terminal acquires parameter information to obtain early warning information and sends the early warning information; the fire extinguishing equipment comprises a plurality of spray head groups, pipeline groups and fire extinguishing devices, wherein the spray head groups are arranged on the energy storage cabinet and correspond to the battery box bodies one by one, and the pipeline groups are connected between the spray head groups and the fire extinguishing devices; the collecting terminal is in wireless communication with the detection terminal to receive early warning information, and is also connected with the fire extinguishing device to control the working state of the fire extinguishing device. The utility model obtains early warning information by detecting the related parameter information of the energy storage cabinet to realize early warning, and can also control fire extinguishment according to the early warning information.
Description
Technical Field
The utility model relates to the field of new energy storage power stations, in particular to an early warning system of a new energy storage power station.
Background
With the continuous development of new energy, energy storage technology is applied to various links of an electric power system. The lithium ion battery energy storage container is widely applied to the energy storage field due to the characteristics of stable power supply, convenient movement and the like. However, thermal runaway of the battery is caused by electric abuse, mechanical abuse and thermal abuse of the lithium ion battery, and serious fire is caused if the thermal runaway caused by the battery is not restrained in time. Before the energy storage battery generates thermal runaway, the physical structure and the chemical structure inside the battery are changed, and the voltage and the current of the battery are abnormal; as the internal chemical components continue to decompose, the battery expands and the temperature rises. The pressure between the batteries can change obviously in the expansion process, the battery pack is broken excessively in expansion to generate a certain amount of smoke, and finally the battery burns in the later period of thermal runaway.
In order to prevent thermal runaway of lithium ion batteries, many technical approaches have been taken. Firstly, the quality and consistency of the lithium ion battery are improved, and the risk of serious lithium dendrite generation of the lithium ion battery can be reduced. Second, better control is given to lithium ion batteries, including voltage, current control and temperature control, to avoid problems with battery overcharge and supercooling and overheating.
However, the prior art approaches still suffer from a number of deficiencies in controlling thermal runaway of lithium batteries. Firstly, the quality and consistency of the battery are improved, which is contradictory to the demand of large-scale production and large-scale application of lithium ion batteries. For products for industrial applications, the yield cannot reach 100%, and the larger the total amount of production and the application scale, the larger the absolute number of accident cells will be. At the same time, the larger the application scale is, the more difficult it is to ensure the control accuracy of the voltage, current and temperature of each lithium battery, which also increases the possibility of occurrence of accidents. Therefore, early warning is carried out on thermal runaway of the lithium ion battery, and further, fire extinguishing measures are particularly important to timely use.
Disclosure of Invention
The utility model mainly aims to overcome the defect that the existing energy storage power station is easy to generate thermal runaway and cause combustion, and provides an early warning system of a new energy storage power station, which can obtain warning information by detecting relevant parameter information of an energy storage cabinet and can also control fire extinguishing according to the warning information.
The utility model adopts the following technical scheme:
the utility model provides a new forms of energy storage power station's early warning system, includes the energy storage cabinet, placed a plurality of battery box in the energy storage cabinet, be equipped with a plurality of battery packs in every battery box, its characterized in that: the fire extinguishing system also comprises a plurality of detection terminals, a collection terminal and fire extinguishing equipment; the detection terminals are arranged on the energy storage cabinet and correspond to the battery boxes one by one, and each detection terminal acquires parameter information to obtain early warning information and sends the early warning information; the fire extinguishing equipment comprises a plurality of spray head groups, pipeline groups and fire extinguishing devices, wherein the spray head groups are arranged on the energy storage cabinet and correspond to the battery box bodies one by one, and the pipeline groups are connected between the spray head groups and the fire extinguishing devices; the collecting terminal is in wireless communication with the detection terminal to receive early warning information, and is also connected with the fire extinguishing device to control the working state of the fire extinguishing device.
Preferably, the detection terminal comprises a plurality of sensors, a first control module and a first wireless communication module, wherein the plurality of sensors are used for detecting the parameter information, the first wireless communication module is used for sending the parameter information, and the first control module is connected with the sensors and the first wireless communication module to obtain the early warning information according to the parameter information.
Preferably, the plurality of sensors are mounted on the corresponding battery box body and comprise one or more of a temperature sensor, a pressure sensor, a smoke sensor and a flame sensor.
Preferably, the sensor comprises a voltage sensor, and the voltage sensor is connected with the corresponding battery pack in the battery box body; the first wireless communication module adopts a LoRa wireless communication module.
Preferably, the spray head group comprises at least two spray heads, and the at least two spray heads face the battery box body and are arranged in a diagonal line.
Preferably, the pipeline group comprises a main pipe and at least one branch pipe, wherein the main pipe is connected with the fire extinguishing device, and the branch pipe is connected with the main pipe; the spray head is connected with the branch pipe through a connecting pipe.
Preferably, the detection terminal further comprises at least two electromagnetic valves, and at least two electromagnetic valves are installed on the connecting pipes of the spray head group in a one-to-one correspondence.
Preferably, the fire extinguishing device comprises a nitrogen gas driving bottle and a water storage tank, and the nitrogen gas driving bottle is connected between the pipeline group and the water storage tank.
Preferably, the collecting terminal comprises a display module, a second wireless communication module, a second control module and a control valve; the display module is used for displaying parameter information and early warning information, the second wireless communication module is in wireless communication with the detection terminal, the control valve is connected with the pipeline group, and the second control module is connected with the display module, the second wireless communication module and the control valve.
Preferably, the aggregation terminal further comprises an alarm device, and the second control module is connected with the alarm device.
As can be seen from the above description of the present utility model, compared with the prior art, the present utility model has the following advantages:
1. the system is provided with a detection terminal, a collection terminal and fire extinguishing equipment, wherein the detection terminal acquires parameter information and obtains early warning information; the fire-extinguishing equipment comprises a plurality of spray head groups, pipeline groups and a fire-extinguishing device; the collecting terminal receives the early warning information to early warn the thermal runaway of the battery box body, and fire extinguishing measures can be adopted in time according to the early warning information.
2. The system comprises a plurality of sensors, a first control module and a first wireless communication module, wherein the sensors are used for detecting parameter information, the first wireless communication module is used for sending the parameter information, and the first control module can obtain early warning information according to the parameter information.
3. The system comprises a voltage sensor, a temperature sensor, a pressure sensor, a smoke sensor, a flame sensor and the like, and is used for monitoring information such as voltage, temperature, pressure, smoke, flame parameters and the like of the battery box body, and the safety state of the battery box body can be more comprehensively monitored by adding the pressure detection, so that the thermal runaway of the battery can be early warned in time.
4. According to the system, the spray head groups are provided with two spray heads, at least two spray heads face the battery box body and are arranged in a diagonal line, the angles of the spray heads can be adjusted according to different battery group arrangement modes, and the fire extinguishing efficiency is improved; the fire extinguishing device comprises a nitrogen driving bottle and a water storage tank, and the fire extinguishing device adopts fine water mist to extinguish lithium battery fire, which is the best fire extinguishing mode.
5. The system comprises a collecting terminal, a first wireless communication module, a second control module and a control valve, wherein the collecting terminal comprises a display module, a second wireless communication module, a second control module and a control valve; the display module is used for displaying parameter information and early warning information, the second wireless communication module is in wireless communication with the detection terminal, the control valve is connected with the pipeline group, and the second control module is connected with the display module, the second wireless communication module and the control valve to judge whether to send out an alarm or control fire extinguishing according to the early warning information.
Drawings
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is a block diagram of a single battery case;
FIG. 3 is a top view of a single battery case;
FIG. 4 is a block diagram of a system according to the present utility model;
wherein:
1: a pipe group; 1a, main pipe, 1b: a branch pipe 1c, a connecting pipe; 2: a battery pack; 3: a fire extinguishing device; 4: an energy storage cabinet; 5: detecting a terminal; 5a, a first control module; 5b, a first wireless communication module; 6: a voltage sensor; 7: a pressure sensor; 8: a spray head; 9: an electromagnetic valve; 10: a temperature sensor; 11: a smoke sensor; 12: a flame sensor; 13: a battery case; 14: sink terminal, 14a: a second control module; 14b: a second wireless communication module; 14c: a control valve; 14d: alarm device, 14e: and a display module.
Detailed Description
The utility model is further described below by means of specific embodiments.
The terms "first," "second," and the like in the present utility model are merely for convenience of description to distinguish between different constituent components having the same name, and do not denote a sequential or primary or secondary relationship.
In the description of the present utility model, the directions or positional relationships indicated by "upper", "lower", "left", "right", "front" and "rear", etc. are used for convenience of description of the present utility model based on the directions or positional relationships shown in the drawings, and are not intended to indicate or imply that the apparatus referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the scope of protection of the present utility model.
Referring to fig. 1 to 4, an early warning system of a new energy storage power station includes an energy storage cabinet 4, a plurality of battery boxes 13 are placed in the energy storage cabinet 4, a plurality of battery packs 2 are arranged in each battery box 13, that is, batteries are arranged in each battery box 13 in a group mode, and the battery boxes 13 are placed in the energy storage cabinet 4 in a stacking mode.
The utility model also comprises a plurality of detection terminals 5, a collection terminal 14, fire extinguishing equipment and the like. The plurality of detection terminals 5 are arranged on the energy storage cabinet 4 and correspond to the plurality of battery boxes 13 one by one, namely, each battery box 13 is provided with one detection terminal 5, and each detection terminal 5 can acquire and send the parameter information of the corresponding battery box 13. The collected parameter information may include voltage, temperature, pressure, smoke, flame parameters of the battery pack 2, etc., and these parameter information may be transmitted to an external terminal.
Specifically, the detection terminal 5 includes a plurality of sensors, a first control module 5a and a first wireless communication module 5b, and the plurality of sensors are used for detecting parameter information, and can be mounted on a corresponding battery box 13, and include one or more of a temperature sensor 10, a pressure sensor 7, a smoke sensor 11, a flame sensor 12, and the like. In this case, a plurality of temperature sensors 10 may be disposed on one battery case 13, that is, the battery case 13 may be divided into a plurality of temperature monitoring areas, for example, four, by disposing a plurality of temperature sensors 10, and then into four areas T1, T2, T3, and T4. The pressure sensor 7 may be arranged on the interlayer or side of the battery pack 2 for collecting the pressure from cell to cell, and the number thereof may be plural. The smoke sensor 11 may be disposed at a top center position of the battery pack 2 of the battery case 13. Flame sensor 12 may be disposed at a corner of battery housing 13, or other suitable location.
Further, the plurality of sensors further comprise voltage sensors 6, the voltage sensors 6 are connected with the battery packs 2 in the corresponding battery boxes 13, namely, the voltage sensors 6 are connected with the positive electrodes and the negative electrodes of the battery packs 2 to collect voltages.
The first wireless communication module 5b is configured to transmit parameter information, and uses a LoRa wireless communication module. The first control module 5a is connected with the sensor and the first wireless communication module 5b, and can receive the parameter information to obtain early warning information, and send the parameter information and the early warning information to an external terminal through the first wireless communication module 5b, wherein the early warning information can be obtained by comparing the parameter information with a preset early warning value, and the early warning information can be an early warning grade and the like.
Further, the fire extinguishing apparatus comprises a plurality of nozzle groups, a pipeline group 1 and a fire extinguishing device 3, wherein the nozzle groups are arranged on the energy storage cabinet 4 and are in one-to-one correspondence with the battery boxes 13, and the pipeline group 1 is connected between the nozzle groups and the fire extinguishing device 3 and is used for conveying fire extinguishing water or other substances. The shower nozzle group includes two at least shower nozzles 8, and two at least shower nozzles 8 are towards battery box 13 and be the diagonal and arrange, and the angle of every shower nozzle 8 can be adjusted according to different group battery 2 arrangement mode to improve fire extinguishing efficiency.
The pipeline group 1 comprises a main pipe 1a and at least one branch pipe, the main pipe 1a is connected with the fire extinguishing device 3, the branch pipe is connected with the main pipe 1a, the branch pipe can be provided with a plurality of water outlets distributed along the length direction of the branch pipe, and each water outlet can be positioned on the central axis of the top of the corresponding battery box 13; the corresponding spray heads 8 of the battery box 13 can be connected with the water outlets of the branch pipes through the connecting pipes 1 c.
At present, the fine water mist is the best fire extinguishing means for extinguishing lithium battery fires, and thus the fire extinguishing device 3 may comprise a nitrogen gas driven bottle connected between the pipe string 1 and the water storage tank, which may provide a pressure for the fine water mist.
Further, the detection terminal 5 may further include at least two solenoid valves 9, where the at least two solenoid valves 9 are installed on the connection pipe 1c of the nozzle set in a one-to-one correspondence, and are used for controlling the water channel of the corresponding connection pipe 1c to be opened or closed. The first control module 5a is connected with the electromagnetic valve 9 and can be used for controlling the state of the electromagnetic valve 9 according to the early warning information.
The collecting terminal 14 is in wireless communication with each detection terminal 5 to receive parameter information, early warning information and the like, and the collecting terminal 14 is also connected with the fire extinguishing device 3 to control the working state thereof. Specifically, the pooling terminal 14 includes a display module 14e, a second wireless communication module 14b, a second control module 14a, and a control valve 14c. The display module 14e is configured to display parameter information, and display early warning status, parameter information, etc. of each battery box 13. The second wireless communication module 14b communicates wirelessly with the probe terminal 5, i.e. the second wireless communication module 14b communicates with the first wireless communication module 5 b. The control valve 14c is connected to the main pipe 1a of the pipe group 1, and is used for controlling the water way of the main pipe 1a to be opened or closed. The second control module 14a is connected to the display module 14e, the second wireless communication module 14b and the control valve 14c for controlling the operation states of the respective modules.
Further, the collecting terminal 14 further includes an alarm device 14d, and the second control module 14a is connected to the alarm device 14d, and is configured to determine whether a fire disaster occurs according to the early warning information, and if yes, control the alarm device 14d to alarm, and simultaneously open a waterway of the control valve 14c. The alarm device 14d may be an audible and visual alarm device or the like.
In the present utility model, the probe terminal 5 and the convergence terminal 14 may use the LoRa wireless communication, that is, the first wireless communication module 5b and the second wireless communication module 14b may use the LoRa wireless communication module. The first control module 5a can adopt STC8A series single-chip microcomputer, the second control module 14a can adopt STM32 series single-chip microcomputer, and the specific working principle is as follows:
under the normal state, the electromagnetic valve 9 and the control valve 14c are in a closed state, the spray head 8 does not discharge water, each sensor of the detection terminal 5 monitors the parameter information of the battery box 13 in real time, the first control module 5a judges and obtains the early warning information according to the parameter information and sends the parameter information and the early warning information to the second wireless communication module 14b through the first wireless communication module 5b, and the second control module 14a receives the parameter information and the early warning information and displays the parameter information and the early warning information through the display module 14 e.
When the sensor of the detection terminal 5 detects that a combustion phenomenon occurs (for example, the detected temperature, voltage, pressure and smoke concentration exceed preset early warning values), the first control module 5a controls the corresponding electromagnetic valve 9 to be opened and sends early warning information to the collecting terminal 14, the collecting terminal 14 controls the alarm device 14d to carry out audible and visual alarm according to the early warning information, and meanwhile, controls the control valve 14c to be opened, refined water mist is sprayed out from the spray head 8 through the pipeline group 1 to extinguish fire towards the corresponding battery box 13.
In addition, in the case of a fire, if the fire extinguishing apparatus fails and does not automatically extinguish the fire, the fire can be extinguished by manually opening the solenoid valve 9 of the detection terminal 5 and the control valve 14c of the convergence terminal 14.
The foregoing is merely illustrative of specific embodiments of the present utility model, but the design concept of the present utility model is not limited thereto, and any insubstantial modification of the present utility model by using the design concept shall fall within the scope of the present utility model.
Claims (10)
1. The utility model provides a new forms of energy storage power station's early warning system, includes the energy storage cabinet, placed a plurality of battery box in the energy storage cabinet, be equipped with a plurality of battery packs in every battery box, its characterized in that: the fire extinguishing system also comprises a plurality of detection terminals, a collection terminal and fire extinguishing equipment; the detection terminals are arranged on the energy storage cabinet and correspond to the battery boxes one by one, and each detection terminal acquires parameter information to obtain early warning information and sends the early warning information; the fire extinguishing equipment comprises a plurality of spray head groups, pipeline groups and fire extinguishing devices, wherein the spray head groups are arranged on the energy storage cabinet and correspond to the battery box bodies one by one, and the pipeline groups are connected between the spray head groups and the fire extinguishing devices; the collecting terminal is in wireless communication with the detection terminal to receive early warning information, and is also connected with the fire extinguishing device to control the working state of the fire extinguishing device.
2. The early warning system of a new energy storage power station of claim 1, wherein: the detection terminal comprises a plurality of sensors, a first control module and a first wireless communication module, wherein the sensors are used for detecting the parameter information, the first wireless communication module is used for sending the parameter information, and the first control module is connected with the sensors and the first wireless communication module to obtain early warning information according to the parameter information.
3. The early warning system of a new energy storage power station of claim 2, wherein: the sensors are arranged on the corresponding battery box body and comprise one or more of a temperature sensor, a pressure sensor, a smoke sensor and a flame sensor.
4. The early warning system of a new energy storage power station of claim 2, wherein: the sensor comprises a voltage sensor which is connected with a corresponding battery pack in the battery box body; the first wireless communication module adopts a LoRa wireless communication module.
5. The early warning system of a new energy storage power station of claim 1, wherein: the spray head group comprises at least two spray heads which face the battery box body and are arranged in a diagonal line.
6. The early warning system of a new energy storage power station as set forth in claim 5, wherein said piping comprises a main pipe and at least one branch pipe, said main pipe being connected to said fire extinguishing device, said branch pipe being connected to said main pipe; the spray head is connected with the branch pipe through a connecting pipe.
7. The early warning system of a new energy storage power station of claim 6, wherein: the detection terminal also comprises at least two electromagnetic valves, and at least two electromagnetic valves are correspondingly arranged on the connecting pipes of the spray head group one by one.
8. The early warning system of a new energy storage power station of claim 1, wherein: the fire extinguishing device comprises a nitrogen driving bottle and a water storage tank, and the nitrogen driving bottle is connected between the pipeline group and the water storage tank.
9. The early warning system of a new energy storage power station of claim 1, wherein: the collecting terminal comprises a display module, a second wireless communication module, a second control module and a control valve; the display module is used for displaying parameter information and early warning information, the second wireless communication module is in wireless communication with the detection terminal, the control valve is connected with the pipeline group, and the second control module is connected with the display module, the second wireless communication module and the control valve.
10. The early warning system of a new energy storage power station of claim 9, wherein: the collecting terminal further comprises an alarm device, and the second control module is connected with the alarm device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320114031.4U CN219423615U (en) | 2023-01-17 | 2023-01-17 | Early warning system of new energy storage power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320114031.4U CN219423615U (en) | 2023-01-17 | 2023-01-17 | Early warning system of new energy storage power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219423615U true CN219423615U (en) | 2023-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320114031.4U Active CN219423615U (en) | 2023-01-17 | 2023-01-17 | Early warning system of new energy storage power station |
Country Status (1)
| Country | Link |
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| CN (1) | CN219423615U (en) |
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2023
- 2023-01-17 CN CN202320114031.4U patent/CN219423615U/en active Active
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