Monitoring system for microgrid energy storage battery management system

Abstract

The present invention discloses a monitoring system for a microgrid energy storage battery management system, including a monitoring component, a connecting component and a controller. The monitoring component includes a monitor body, a camera, and a mainboard box. The monitor body is provided with a temperature sensor and a communication module. The connecting component includes a connecting guide rail, at least one connecting plate, and a roller. At least one roller is provided with a driving motor. The connecting component includes a heat dissipation motor fixedly arranged in the mainboard box, a heat dissipation fan arranged on the output shaft of the heat dissipation motor, and at least one heat dissipation seal that can be reset and moved on the monitor body. The camera, the temperature sensor, the communication module, the driving motor and the heat dissipation motor are electrically connected to the controller. The device of the present invention solves the problem that the monitoring system can only be fixed in one position for monitoring and observation in the prior art, and cannot dissipate heat and cool down. Another purpose of the present invention is to provide a monitoring method that can solve the problem that the single monitoring method in the prior art leads to delayed disasters and uncontrollable fires.

Description

Technical Field

[0001] The present invention relates to the technical field of microgrids, and in particular to a monitoring system and a monitoring method for a microgrid energy storage battery management system. Background Art

[0002] The monitoring system generally has a fixed viewing angle, or can only be fixed at a certain point for angle adjustment and shooting. When a microgrid energy storage battery fails, the management personnel need to get close to check the condition of the microgrid energy storage battery. It is difficult to monitor the condition of the microgrid energy storage battery at a fixed point far away. Therefore, its practicality needs to be improved. A single monitoring method has a certain delay in disaster response, and the fault can only be discovered when an open flame occurs, which may cause the fire to be uncontrollable, increasing the possibility of causing a major accident.

[0003] like Fig. 9 As shown, the microgrid energy storage battery is generally located in a mobile container, so the temperature of the monitoring system itself will also be high. The existing monitoring system lacks heat dissipation design, which will reduce its lifespan and require frequent maintenance.

[0004] Therefore, a new technical solution is urgently needed to solve at least one of the above technical problems. Summary of the invention

[0005] In view of the above-mentioned deficiencies, one object of the present invention is to provide a monitoring system for a microgrid energy storage battery management system to solve the problem that the prior art can only fix the monitoring system in one position for monitoring and observation and cannot dissipate heat and cool down.

[0006] Another object of the present invention is to provide a monitoring method to solve the problem that the single monitoring method in the prior art causes disaster delays and uncontrollable fires.

[0007] In order to achieve the above technical objectives and meet the above technical requirements, the technical solution adopted by the present invention is: A monitoring system for a microgrid energy storage battery management system, comprising: A monitoring component, comprising a monitor body, a camera rotatably arranged on the monitor body, and a mainboard box arranged on the upper side of the monitor body, wherein the monitor body is provided with a temperature sensor and a communication module; A connecting assembly, comprising a connecting rail located above the mainboard box, at least one connecting plate fixedly arranged on the upper side of the mainboard box, and a roller rotatably arranged on the connecting plate, wherein the roller is slidably arranged on the connecting rail, and at least one of the rollers is provided with a driving motor; A heat dissipation assembly, comprising a heat dissipation motor fixedly disposed in the mainboard box, a heat dissipation fan disposed on the output shaft of the heat dissipation motor, and at least one heat dissipation seal that can be reset and moved and disposed on the monitor body; The camera, temperature sensor, communication module, drive motor and heat dissipation motor are electrically connected to the controller; the controller can adjust the monitoring mode of the microgrid energy storage battery according to the charging and discharging status of the microgrid energy storage battery and the temperature monitored by the monitor body, and can detect the open fire status when an open fire is detected.

[0008] As another aspect of the present invention, the controller can identify and calculate the open fire area based on the image captured by the camera; the pixel point whose g value satisfies the following identification calculation formula is confirmed as the open fire pixel point: r = R / (R + G + B); g = G / (R + G + B) 2 ; b = B / (R + G + B); r≥1.140g-0.076; r≤-0.989g+0.991; r≥-2.077g+1.025; r≤-1.881b+0.9582; r≤95.348 b+0.171; r≥-0.543b+0.506; g≥0.846b+0.048; g≤-0.461b+0.495; g≤191.957b-0.621; Among them, R is the R channel value of the image pixel; G is the G channel value of the image pixel; B is the G channel value of the image pixel; The controller is also electrically connected to a fire sprinkler nozzle, and the controller can also control the fire sprinkler nozzles in the adjacent open fire area to start spraying and extinguishing the fire when it is determined that there is an open fire area.

[0009] As another aspect of the present invention, the microgrid energy storage battery is disposed in a mobile container; a plurality of the fire sprinkler nozzles are arranged in an array on the top of the mobile container; Wherein, the controller can control 1 to 1.5 times the minimum number of fire sprinkler heads covering all open fire areas.

[0010] As another aspect of the present invention, the controller can open all fire sprinkler heads when there are two or more open fire areas with a horizontal or vertical distance of more than 0.5m.

[0011] As another aspect of the present invention, the controller can control the monitoring component to be in a first monitoring mode at a fixed position when the microgrid energy storage battery is not in a charging or discharging state, and control the monitoring component to be in a second monitoring mode at a mobile position when the microgrid energy storage battery is in a charging or discharging state, and control the monitoring component to be in a third monitoring mode at a fixed position to perform fixed-point monitoring when the temperature sensor monitors that the temperature of the microgrid energy storage battery is in an abnormal state.

[0012] As another aspect of the present invention, the monitor body is provided with an alarm module, and the alarm module is electrically connected to the controller; wherein, when the temperature sensor monitors that the temperature of the microgrid energy storage battery is in an abnormal state, the controller controls the alarm module to send an alarm signal.

[0013] As another aspect of the present invention, at least one heat dissipation seal is respectively provided on both sides of the monitor body, and the heat dissipation seal includes a convex ring, a slide groove arranged on the inner wall of the convex ring, a slide rod slidably arranged in the slide groove, and a sealing plug arranged on the side of the slide rod away from the monitor body. A guide rod is fixedly arranged in the slide groove, and the guide rod passes through the slide rod. The slide groove has a first wall away from the monitor body and a second wall facing the monitor body. The slide rod is elastically connected to the first wall, and the main board box is connected to the monitor body.

[0014] As another aspect of the present invention, the heat dissipation assembly also includes a plurality of heat dissipation fins respectively fixedly arranged on both sides of the mainboard box; cooling oil is stored in the heat dissipation fins; a gauze is detachably arranged on one side of the mainboard box, and the heat dissipation fan is located near the inner side of the gauze.

[0015] As another aspect of the present invention, a spring is provided between the slide bar and the first wall, one end of the spring is connected to the first wall, and the other end of the spring is connected to the slide bar.

[0016] As another aspect of the present invention, the communication module includes a wireless receiver; the temperature sensor.

[0017] The present invention also provides a monitoring method for a microgrid energy storage battery management system, characterized in that the monitoring system is used to perform global appearance monitoring and temperature monitoring on the microgrid energy storage battery management system, comprising the following steps: If the microgrid energy storage battery is in a stopped state or an operator issues an instruction, the monitoring system is in a first monitoring mode, i.e., fixed position monitoring. In this mode, the monitor body is fixed at a certain position on the connecting rail to shoot, and the video stream is transmitted to the controller through the communication module; If the microgrid energy storage battery is in a charging or discharging state or an instruction is issued by an operator, the monitoring system is in a second monitoring mode, i.e., patrol monitoring. In this mode, the monitor body moves on the connecting rail to perform mobile observation of the microgrid energy storage battery, and at the same time transmits the video stream and temperature data to the controller through the communication module; In the first monitoring mode or the second monitoring mode, if the temperature of the microgrid energy storage battery is abnormal, the monitoring system is in the third monitoring mode, i.e., key position monitoring. In this mode, the monitor body moves to the temperature abnormal position, and the camera focuses on monitoring the microgrid energy storage battery at this position.

[0018] As a preferred technical solution, the monitor body is provided with an alarm module, and the alarm module is electrically connected to the temperature sensor.

[0019] As a preferred technical solution, when the monitoring system is in the third monitoring mode, if the temperature is higher than the normal range, the alarm module sends out an audible and visual alarm to indicate the possibility of fire. If the temperature reaches the ignition temperature or an open flame is detected, the fire protection system is notified so that firefighters can intervene in time to perform cooling or fire extinguishing operations. If the temperature is lower than the normal temperature, the alarm module sends out an audible and visual alarm to indicate the possibility of a battery short circuit and offline. At the same time, the logistics maintenance personnel are notified to arrive at the scene in time to check the working condition of the battery system.

[0020] Compared with the traditional technical solution, the beneficial effects of the present invention are: 1) The connecting rail is used for guidance, and the roller slides along the connecting rail to change the monitoring position. Monitoring can be performed at multiple positions. The heat dissipation component can dissipate heat and cool the monitoring system, reduce the maintenance frequency, and extend the service life. The problem that the existing technology can only fix the monitoring system in one position for monitoring and observation and cannot dissipate heat and cool down is solved. The various components are integrated together to save space; 2) The cooling fan blows air into the mainboard box, and cools the inside of the mainboard box and the monitor body. The air pressure in the monitor body increases, and the inner side of the sealing plug is abutted by the air pressure. The pressure pushes the slide bar to move along the slide groove. The guide rod has a guiding function. The sealing plug pulls the slide bar to move outward to open the heat dissipation channel to dissipate heat. When the temperature drops, the cooling fan stops working. The slide bar will pull the sealing plug to fit again on the outer wall of the convex ring for sealing under the reset of the spring to prevent dust from entering.

[0021] 3) The cooling fins have a heat dissipation effect, and the cooling oil and the cooling fins work together to improve the heat dissipation effect; 4) The gauze has a filtering effect; 5) The monitoring method can flexibly switch the monitoring mode according to the on-site situation and specific needs, and conduct multi-level monitoring to solve the problems of disaster delay and uncontrollable fire caused by the single monitoring method of the existing technology, and realize intelligent monitoring and safety protection of microgrid energy storage batteries; 6) The alarm module can sound an alarm to remind staff to carry out maintenance. Through real-time monitoring of the temperature of the microgrid energy storage battery, abnormal conditions of the microgrid energy storage battery can be discovered, and the fire sprinkler system can be linked to achieve automatic sprinkler fire extinguishing, thereby improving the safety and emergency handling capabilities of the microgrid energy storage battery management system. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A structural diagram of a monitoring system provided for one embodiment of the present invention; Figure 2 For the view in the other direction; Figure 3 A structural diagram of a monitor body provided for one embodiment of the present invention; Figure 4 A structural diagram of a heat dissipation seal provided by one embodiment of the present invention; Figure 5 A schematic diagram of monitoring mode switching in a monitoring method provided by an embodiment of the present invention; Figure 6 A flow chart of a monitoring method provided by one embodiment of the present invention; Figure 7 A data transmission flow chart provided for one embodiment of the present invention.

[0023] Figure 8 A flame effect diagram identified by an open flame identification algorithm provided by an embodiment of the present invention.

[0024] Fig. 9 The figure is a schematic diagram of the structure of an energy storage container in the prior art.

[0025] exist Figure 1-Figure 7 Among them, 1. monitor body; 2. camera; 3. wireless receiver; 4. mainboard box; 5. heat dissipation fins; 6. connecting plate; 7. roller; 8. connecting guide rail; 9. mesh; 10. temperature sensor; 11. convex ring; 1101, slide groove; 12. slide rod; 13. sealing plug; 14. guide rod; 15. spring; 16. cooling fan. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with the accompanying drawings.

[0027] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "top", "bottom", "left", "right", "front", "back", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0028] Please refer to Figure 1-Figure 7 , a monitoring system for a microgrid energy storage battery management system provided by an embodiment of the present invention includes a monitoring component, a connection component and a controller. The monitoring component includes a monitor body 1, a camera 2 rotatably arranged on the monitor body 1, and a mainboard box 4 arranged on the upper side of the monitor body 1. The monitor body 1 is provided with a temperature sensor 10 and a communication module, the connection component includes a connecting rail 8 located above the mainboard box 4, at least one connecting plate 6 fixedly arranged on the upper side of the mainboard box 4, and a roller 7 rotatably arranged on the connecting plate 6, the roller 7 can be slidably arranged on the connecting rail 8, and at least one roller 7 is provided with a driving motor, and the connection component includes a heat dissipation motor fixedly arranged in the mainboard box 4, a heat dissipation fan 16 arranged on the output shaft of the heat dissipation motor, and at least one heat dissipation seal that can be reset and moved on the monitor body 1.

[0029] The camera 2, the temperature sensor 10, the communication module, the drive motor and the heat dissipation motor are electrically connected to the controller and guided by the connecting guide rail 8. The roller 7 slides along the connecting guide rail 8 to change the monitoring position. Monitoring can be performed at multiple positions. The heat dissipation component can dissipate heat and cool the monitoring system, reduce the maintenance frequency, and extend the service life. The problem that the existing technology can only fix the monitoring system in one position for monitoring and observation and cannot dissipate heat and cool down is solved. The various components are integrated together to save space.

[0030] In this embodiment, the controller can adjust the monitoring mode of the microgrid energy storage battery according to the charging and discharging state of the microgrid energy storage battery and the temperature monitored by the monitor body, and can detect the open fire state when an open fire is detected. Specifically, the controller can identify and calculate the open fire area according to the image captured by the camera; the pixel point whose g value satisfies the following identification calculation formula is confirmed as the open fire pixel point: r = R / (R + G + B); g = G / (R + G + B) 2; b = B / (R + G + B); r≥1.140g-0.076; r≤-0.989g+0.991; r≥-2.077g+1.025; r≤-1.881b+0.9582; r≤95.348 b+0.171; r≥-0.543b+0.506; g≥0.846b+0.048; g≤-0.461b+0.495; g≤191.957b-0.621; Among them, R is the R channel value of the image pixel; G is the G channel value of the image pixel; B is the G channel value of the image pixel. By identifying the open fire area, it is determined whether there is an open fire and the current burning state of the flame. Figure 8 As shown, the effect diagram of using the above flame recognition formula to identify flames shows that the flame recognition method used in this embodiment can accurately identify the open flame area, thereby providing effective warning for subsequent fire fighting or alarm measures, and the accuracy of the alarm can also be effectively guaranteed.

[0031] When a storage battery catches fire, there will usually be an open flame. For example, when a lithium-ion battery catches fire, an internal "thermal runaway reaction" may occur first, followed by smoke and fire. Generally, there will be an obvious open flame, and the combustion may be more intense and difficult to extinguish. However, in some cases, it may manifest as smoke and heat in the early stage, and then gradually develop into a state with an open flame. For "thermal runaway reaction", the commonly used foam fire extinguishing or powder fire extinguishing is difficult to apply. This embodiment adopts a water spray fire extinguishing method to suppress the thermal runaway reaction.

[0032] Specifically, the controller is also electrically connected to a fire sprinkler head, and the controller can also control the fire sprinkler heads in the adjacent open fire area to start spraying and extinguishing the fire when it is determined that there is an open fire area. The controller can be electrically connected to the fire sprinkler system to control multiple fire sprinkler heads.

[0033] The microgrid energy storage battery is arranged in a mobile container. A plurality of the fire sprinkler heads are arranged in an array on the top of the mobile container. A plurality of fire sprinkler heads are arranged in multiple rows and columns, and in a dot matrix arrangement of multiple rows and columns. The spacing between two adjacent fire sprinkler heads is in the range of 0.4-1m. Among them, the controller can control 1 to 1.5 times the minimum number of fire sprinkler heads covering all open fire areas, and use sufficient water to spray and extinguish the areas that need to be cooled and extinguished, and protect other areas where no open fire exists. In the case of serious open fire, the controller can open all fire sprinkler heads when there are more than two open fire areas with a horizontal or vertical distance of more than 0.5m.

[0034] like Figure 1-Figure 4As shown, at least one heat dissipation seal is respectively arranged on both sides of the monitor body 1, and the heat dissipation seal includes a convex ring 11, a slide groove 1101 arranged on the inner wall of the convex ring 11, a slide rod 12 slidably arranged in the slide groove 1101, and a sealing plug 13 arranged on the side of the slide rod 12 away from the monitor body 1. A guide rod 14 is fixedly arranged in the slide groove 1101, and the guide rod 14 passes through the slide rod 12. The slide groove 1101 has a first wall away from the monitor body and a second wall facing the monitor body. The slide rod 12 is elastically connected to the first wall, and the mainboard box 4 is connected to the monitor body 1. Specifically, a spring 15 is arranged between the slide rod 12 and the first wall, and one end of the spring 15 is connected to the first wall, and the other end thereof is connected to the first wall. The slide bar 12 is connected, and at the beginning the sealing plug 13 blocks the outlet of the convex ring 11, so that dust is not easy to enter the monitor body 1, and the cooling fan 16 blows air into the mainboard box 4 to dissipate heat to the interior of the mainboard box 4 and the monitor body 1. The air pressure in the monitor body 1 increases, and the inner side of the sealing plug 13 is abutted by the air pressure. The air pressure pushes the slide bar 12 to move along the slide groove 1101, and the guide rod 14 has a guiding function. The sealing plug 13 pulls the slide bar 12 to move outward to open the heat dissipation channel to dissipate heat. When the temperature drops, the cooling fan 16 stops working, and the slide bar 12 will pull the sealing plug 13 to fit the outer wall of the convex ring 11 again to seal under the reset of the spring 15 to prevent dust from entering.

[0035] like Figure 1-Figure 4 As shown, the heat dissipation component also includes a plurality of heat dissipation fins 5 respectively fixedly arranged on both sides of the mainboard box 4. Furthermore, cooling oil is stored in the heat dissipation fins 5. The heat dissipation fins 5 have a heat dissipation effect. The cooling oil and the heat dissipation fins 5 cooperate to enhance the heat dissipation effect. By utilizing multiple heat dissipation structures and mutually complementary cooling solutions, the life of the thermal imaging camera can be extended, the frequency of maintenance and replacement can be reduced, and the investment cost can be reduced.

[0036] like Figure 1-Figure 4 As shown, a gauze 9 is detachably provided on one side of the mainboard box 4, and the cooling fan 16 is located near the inner side of the gauze 9. The gauze 9 has a filtering effect to prevent large particles of foreign matter from entering the monitor body.

[0037] like Figure 1-Figure 4 As shown, the communication module includes a wireless receiver 3, which does not need to be connected through cables and wires, has good flexibility in use, and the wireless receiver 3 can be rotated to adjust the receiving angle.

[0038] See also Figure 1-Figure 7The present invention also provides a monitoring method for a microgrid energy storage battery management system, which uses a monitoring system to perform global appearance monitoring and temperature monitoring on the microgrid energy storage battery management system. The controller can control the monitoring component to be in a first monitoring mode at a fixed position when the microgrid energy storage battery is not in a charging or discharging state, and control the monitoring component to be in a second monitoring mode at a mobile position when the microgrid energy storage battery is in a charging or discharging state, and control the monitoring component to move to the position of the microgrid energy storage battery in an abnormal state to perform fixed-point position monitoring when the temperature sensor monitors that the temperature of the microgrid energy storage battery is in an abnormal state. The microgrid energy storage battery is in an abnormal state when the temperature is greater than 50 degrees. The microgrid energy storage battery is considered to be in a normal temperature state when the temperature is below 50 degrees.

[0039] The monitoring method for the microgrid energy storage battery management system comprises the following steps: If the microgrid energy storage battery is in a stopped state or an instruction is issued by the operator, the monitoring system is in the first monitoring mode, i.e., fixed position monitoring. In this mode, the monitor body 1 is fixed at a certain position of the connecting rail 8 to shoot, and the video stream is transmitted to the controller through the communication module. Specifically, the camera 2 is a thermal imaging camera. The monitoring system in the first monitoring mode can achieve global monitoring and temperature collection of the operating status of the microgrid energy storage battery by adjusting the horizontal angle, vertical angle and focal length of the thermal imaging camera; If the microgrid energy storage battery is in a charging or discharging state or an instruction is issued by the operator, the monitoring system is in the second monitoring mode, namely, patrol monitoring. In this mode, the monitor body 1 moves on the connecting rail 8 to perform mobile observation of the microgrid energy storage battery, and at the same time transmits the video stream and temperature data to the controller through the communication module. Since the temperature data collected by the thermal imaging camera may have errors, and this error is positively correlated with the monitoring distance, the patrol mode monitoring can also make up for the deficiency of temperature collection errors in the fixed monitoring mode; In the first monitoring mode or the second monitoring mode, if the temperature of the microgrid energy storage battery is abnormal, the monitoring system is in the third monitoring mode, that is, key position monitoring. In this mode, the monitor body 1 moves to the abnormal temperature position, and the camera 2 focuses on monitoring the microgrid energy storage battery at this position. The monitor body is provided with an alarm module, and the alarm module is electrically connected to the temperature sensor 10. When the monitoring system is in the third monitoring mode, if the temperature is higher than the normal range, the alarm module sends out an audible and visual alarm to indicate the possibility of fire. If the temperature reaches the ignition temperature or an open flame is detected, the fire fighting system is notified so that the fire fighting personnel can intervene in time to perform cooling treatment or fire extinguishing operations. If the temperature is lower than the normal temperature, the alarm module sends out an audible and visual alarm to indicate the possibility of battery disconnection and offline. At the same time, the logistics maintenance personnel are notified to arrive at the scene in time to check the working condition of the battery system.

[0040] Multiple monitoring systems can be set up in the microgrid energy storage battery management system. When one or more of the monitoring systems are in the third monitoring mode, the other monitoring systems switch from the first monitoring mode to the second monitoring mode, expanding the monitoring range, improving the accuracy of temperature collection, ensuring the normal operation of the remaining batteries in the microgrid energy storage battery system, and mastering the working conditions of the entire microgrid energy storage battery.

[0041] The temperature collected by the thermal imaging camera is used as the criterion for monitoring mode switching and alarm prompts. During the debugging process of the microgrid energy storage battery management system, the temperature must be classified and trained to meet the efficient working requirements of the monitoring system. Machine learning algorithms such as support vector machines and neural network algorithms are used to train temperature data.

[0042] Support vector machine is a classification algorithm that can classify data of different temperatures by mapping temperature data into high-dimensional space and find the best classification hyperplane to achieve accurate classification and prediction.

[0043] A neural network is an algorithm that simulates the human brain's neural network. It can learn the characteristics of temperature data by training the neural network and achieve accurate classification and prediction.

[0044] The controller controls the movement of the monitor body 1 by running the control program, and the control program is as follows: import cv2 import numpy as np # Initialize the camera cap = cv2.VideoCapture(0) # Set PID control parameters Kp = 0.5 Ki = 0.1 Kd = 0.2 target_temperature = 30 # target temperature set_point = 20 # set point # Define PID controller class PID: def __init__(self, Kp, Ki, Kd): self.Kp = Kp self.Ki = Ki self.Kd = Kd self.error = 0 self.error_prev = 0 self.integral = 0 def update(self, feedback_value, duty): error = set_point - feedback_value self.integral += error derivative = (error - self.error_prev) / 0.01 self.error_prev = error return self.Kp * error + self.Ki * self.integral + self.Kd *derivative + duty # Start control pid = PID(Kp, Ki, Kd) while True: # Read temperature data ret, frame = cap.read() temperature = np.mean(frame) # Calculate the error and update the PID controller error = target_temperature - temperature pid.error = error duty = pid.update(temperature, 0) # Control camera movement if duty>0: print("Heating...") else: print("Cooling...") # Display temperature data and camera images cv2.imshow('Temperature', np.array([temperature])) cv2.imshow('Camera', frame) if cv2.waitKey(1)&0xFF == ord('q'): break # Release camera resources and close the window cap.release() cv2.destroyAllWindows() In one embodiment, the operation procedure of the sound and light alarm module is as follows: import RPi.GPIO as GPIO import time import winsound GPIO.setmode(GPIO.BOARD) GPIO.setup(12, GPIO.OUT) temperature_threshold = 30 # Set the temperature threshold previous_temperature = 0 while True: # Read temperature data. Here we assume that we are using a DS18B20 digital temperature sensor. def read_temperature(): # Open the FLIR Lepton thermal imaging camera lepton = pyflirt.open_device(0) # Get a frame of temperature data lepton.grab() lepton_data = lepton.get_image() # Convert temperature data to Celsius temperature = lepton_data * (-94 + 175 / (np.log(lepton_data) -np.log(83))) # Turn off the thermal imaging camera lepton.close() # Return temperature value return temperature[0][0] # If the temperature exceeds the threshold, an audible and visual alarm is triggered if temperature>temperature_threshold: print("Temperature alarm!") winsound.Beep(2000, 1000) # Sound alarm GPIO.output(12, GPIO.HIGH) # Turn on the LED light or other peripherals time.sleep(1) GPIO.output(12, GPIO.LOW) time.sleep(1) # Wait 1 second and read the temperature data again time.sleep(1) def read_temperature(): # Here is the function to read temperature data, which is implemented accordingly according to the sensor used # Return temperature value return 30 # Assume that 30 degrees is returned as an example The monitoring system of the present invention can flexibly switch between the first monitoring mode, the second monitoring mode and the third monitoring mode. The first monitoring mode can be used for monitoring in normal situations. It only needs to adjust the parameters of the thermal imaging camera to obtain the video stream and operating temperature data of the microgrid energy storage battery, thereby reducing the power consumption of the monitoring system and extending the operating time of the equipment. The second monitoring mode expands the monitoring range while making the temperature data collected by the thermal imaging camera more accurate. In the first or second monitoring mode, the global temperature and appearance monitoring of the microgrid energy storage battery is achieved. In the third monitoring mode, key locations are monitored so that the controller can grasp the disaster situation in real time. At the same time, the remaining monitoring systems enter the inspection mode to ensure the monitoring effect. The monitoring method of the present invention expands the breadth of monitoring of the microgrid energy storage battery management system and enriches the monitoring content.

[0045] Thermal imaging cameras can penetrate thick smoke and fog. Even if the microgrid energy storage battery is on fire or has smoke, they can monitor the fire point in real time to ensure the normal function of the monitoring system and grasp the real-time situation.

[0046] Through real-time monitoring of the temperature of microgrid energy storage batteries, abnormal conditions of microgrid energy storage batteries can be discovered, and the fire protection system or maintenance department can be notified in time to intervene, thereby improving the safety and emergency handling capabilities of the microgrid energy storage battery management system.

[0047] Integrate multiple components into an intelligent microgrid energy storage battery management system, realize remote management and real-time monitoring through remote control and temperature monitoring, and use modular design ideas to integrate various functional components into a unified system for system integration. The system has strong data processing and remote control capabilities, and can realize real-time data transmission and remote control.

[0048] Each embodiment in this specification is described in a progressive manner, and the same and similar parts between the embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can refer to the partial description of the method embodiment. In the description of this specification, the description of the reference term "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of this specification. In this specification, the schematic representation of the above terms does not necessarily target the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0049] The above description is only an example of one or more embodiments of the present specification and is not intended to limit one or more embodiments of the present specification. For those skilled in the art, one or more embodiments of the present specification may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present specification shall be included in the scope of the claims.

Claims

1. A monitoring system for a microgrid energy storage battery management system, characterized in that: include: A monitoring component, comprising a monitor body, a camera rotatably arranged on the monitor body, and a mainboard box arranged on the upper side of the monitor body, wherein the monitor body is provided with a temperature sensor and a communication module; A connecting assembly, comprising a connecting rail located above the mainboard box, at least one connecting plate fixedly arranged on the upper side of the mainboard box, and a roller rotatably arranged on the connecting plate, wherein the roller is slidably arranged on the connecting rail, and at least one of the rollers is provided with a driving motor; A heat dissipation assembly, comprising a heat dissipation motor fixedly disposed in the mainboard box, a heat dissipation fan disposed on the output shaft of the heat dissipation motor, and at least one heat dissipation seal that can be reset and moved and disposed on the monitor body; A controller, the camera, the temperature sensor, the communication module, the drive motor and the heat dissipation motor are electrically connected to the controller; The controller can adjust the monitoring mode of the microgrid energy storage battery according to the charging and discharging status of the microgrid energy storage battery and the temperature monitored by the monitor body, and can detect the open fire status when an open fire is detected.

2. The monitoring system for a microgrid energy storage battery management system according to claim 1, characterized in that: The controller can identify and calculate the open fire area based on the image captured by the camera; the pixel point whose g value satisfies the following identification calculation formula is confirmed as the open fire pixel point: r=R / (R+G+B);g=G / (R+G+B) 2 ;b=B / (R+G+B); r≥1.140g-0.076; r≤-0.989g+0.991; r≥-2.077g+1.025; r≤-1.881b+0.9582; r≤95.348 b+0.171; r≥-0.543b+0.506; g≥0.846b+0.048; g≤-0.461b+0.495; g≤191.957b-0.621; Among them, R is the R channel value of the image pixel; G is the G channel value of the image pixel; B is the G channel value of the image pixel; The controller is also electrically connected to a fire sprinkler nozzle, and the controller can also control the fire sprinkler nozzles in the adjacent open fire area to start spraying and extinguishing the fire when it is determined that there is an open fire area.

3. The monitoring system for a microgrid energy storage battery management system according to claim 2, characterized in that: The microgrid energy storage battery is arranged in a mobile container; a plurality of fire sprinkler nozzles are arranged in an array on the top of the mobile container; Wherein, the controller can control 1 to 1.5 times the minimum number of fire sprinkler heads covering all open fire areas.

4. The monitoring system for a microgrid energy storage battery management system according to claim 2, characterized in that: The controller can open all fire sprinkler heads when there are two or more open fire areas with a horizontal or vertical distance of more than 0.5m.

5. The monitoring system for a microgrid energy storage battery management system according to any one of claims 1 to 4, characterized in that: The controller can control the monitoring component to be in a first monitoring mode at a fixed position when the microgrid energy storage battery is not in a charging or discharging state, and control the monitoring component to be in a second monitoring mode at a mobile position when the microgrid energy storage battery is in a charging or discharging state, and control the monitoring component to be in a third monitoring mode at a position of the microgrid energy storage battery in an abnormal state for fixed-point monitoring when the temperature sensor monitors that the temperature of the microgrid energy storage battery is in an abnormal state.

6. The monitoring system for a microgrid energy storage battery management system according to claim 5, characterized in that: The monitor body is provided with an alarm module, and the alarm module is electrically connected to the controller; wherein, when the temperature sensor monitors that the temperature of the microgrid energy storage battery is in an abnormal state, the controller controls the alarm module to send an alarm signal.

7. The monitoring system for a microgrid energy storage battery management system according to claim 5, characterized in that: At least one heat dissipation seal is respectively arranged on both sides of the monitor body, and the heat dissipation seal includes a convex ring, a slide groove arranged on the inner wall of the convex ring, a slide rod slidably arranged in the slide groove, and a sealing plug arranged on the side of the slide rod away from the monitor body. A guide rod is fixedly arranged in the slide groove, and the guide rod passes through the slide rod. The slide groove has a first wall away from the monitor body and a second wall facing the monitor body. The slide rod is elastically connected to the first wall, and the main board box is connected to the monitor body.

8. The monitoring system for a microgrid energy storage battery management system according to claim 7, characterized in that: The heat dissipation assembly also includes a plurality of heat dissipation fins respectively fixedly arranged on both sides of the mainboard box; cooling oil is stored in the heat dissipation fins; a gauze is detachably arranged on one side of the mainboard box, and the heat dissipation fan is located near the inner side of the gauze.

9. The monitoring system for a microgrid energy storage battery management system according to claim 8, characterized in that: A spring is arranged between the slide bar and the first wall, one end of the spring is connected to the first wall, and the other end of the spring is connected to the slide bar.

10. The monitoring system for a microgrid energy storage battery management system according to claim 9, characterized in that: The communication module includes a wireless receiver; the temperature sensor.

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