Early warning power dispatching system for safety management

Abstract

The invention relates to the technical field of power dispatching systems, in particular to an early warning power dispatching system for safety management, which comprises an equipment sensing unit, a data acquisition and processing unit, a data transmission unit, a data analysis unit, an early warning unit and a dispatching unit, the equipment sensing unit is installed at the key position of a power system of a power plant, a transformer substation and a power transmission line and used for sensing the operation state of power equipment in real time and conducting mobile inspection on the position of a connecting cable and a circuit node through the mobile inspection terminal. The data collecting and processing unit is used for collecting the state information of different devices sent by the device sensing unit and then converting the state information into transmittable digital signals; the new energy power plant is preferentially arranged for power generation, and the thermal power plant is arranged for power generation when the new energy power generation is insufficient, so that the energy utilization efficiency is improved, the energy waste is reduced, the labor intensity of on-site inspection of personnel is reduced, and the operation safety of the power dispatching system is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power dispatching system, in particular to a safe management early warning power dispatching system. BACKGROUND

[0002] With the rapid development of the power industry and the increasing complexity of the power grid structure, the safety and reliability of the power dispatching system has become the key to the operation of the power system, the traditional power dispatching system mainly relies on manual monitoring and dispatching, but this way has slow reaction speed, easy to make mistakes and other problems, which cannot meet the high requirements of modern power grid on safety and real-time, therefore, it is particularly important to develop a power dispatching system with safety management function and early warning capability.

[0003] At present, in the existing power dispatching system, such as the patent with the authorization announcement number CN205195281U, the utility model belongs to the technical field of power dispatching and discloses a kind of early warning power dispatching system, including power input end, input end transformer, input line, power transfer station, dispatching control room, firewall, commercial power transmission line, commercial power output end, residential power transmission line, residential power output end, power balance control end, early warning device and early warning feedback line, the power input end is connected with input end transformer, the input end transformer is connected with power transfer station by input line.

[0004] But in the use of this system, it is found that the system is not convenient to arrange the power generation sequence and power generation power of different types of power plants according to the cost and efficiency of energy in the normal operation state of power, which reduces the energy utilization rate, and the device is not convenient to detect the safety of power facilities by using different terminal equipment, which increases the work intensity of artificial inspection. SUMMARY

[0005] To solve the above technical problems, the present application provides a safe management early warning power dispatching system, which arranges the power generation of new energy power plants in priority, and arranges the power generation of thermal power plants when the new energy power generation is insufficient, so as to improve the energy utilization efficiency, reduce energy waste, reduce the labor intensity of personnel on-site inspection, and improve the safety of power dispatching system operation.

[0006] The safe management early warning power dispatching system of the present application comprises a device induction unit, a data acquisition and processing unit, a data transmission unit, a data analysis unit, an early warning unit and a dispatching unit. The device sensing unit is installed at key positions of the power system of the power plant, the transformer substation and the power transmission line, for sensing the running state of the power device in real time, and the mobile inspection terminal is used for mobile inspection of the connection cable and the circuit node position; the temperature sensor, the vibration sensor and the current sensor are installed on the generator of the power plant, so as to monitor the running state of the generator in real time; the temperature sensor accurately measures the temperature of the stator and the rotor of the generator; the oil temperature sensor, the oil level sensor and the gas sensor are installed in the transformer substation, so as to timely find the abnormal rise of the transformer oil temperature according to the oil temperature sensor, ensure that the oil level is in the normal range by the oil level sensor, and detect whether abnormal gas is generated in the transformer, so as to indicate potential failure; the tension sensor and the sag sensor are used for monitoring the mechanical state of the power transmission line, and the weather sensor collects the temperature, humidity, wind speed and wind direction weather data around the line, so as to make a warning scheme for extreme weather by the power dispatching system; the mobile inspection terminal uses the camera to perform appearance inspection on the cable and the circuit node, and uses the partial discharge sensor and the thermal imaging temperature sensor to detect the abnormality of the cable and the circuit node; The data acquisition and processing unit is used for collecting the state information of different devices sent by the device sensing unit, and then converting it into a transmissible digital signal; when the collected data is transmitted to the data acquisition unit, data cleaning preprocessing is first performed, noise and abnormal values in the data are removed through an algorithm, and at the same time, data format conversion is performed to uniformly convert data from different devices and different formats into a standard format that can be recognized and processed by the system; The data transmission unit is used for transmitting the signals of the data acquisition and processing unit between the power plant and the transformer substation and between the power dispatching center through the network framework combined by multiple communication modes; for remote areas and mobile inspection terminals, wireless communication is used to transmit the signals; through the combination of optical fiber communication and wireless communication, the overall effect of data transmission coverage is improved, and the flexibility and reliability of data transmission between power fixed facilities and power mobile facilities are improved; The data analysis unit is used for pre-processing the collected data, and then deeply analyzing the data; by using the self-built fault diagnosis model, different faults of different devices can be judged; by learning and training a large amount of historical operation data of power devices, the fault diagnosis model is built; when receiving real-time power device operation data, the model can quickly and accurately judge whether the power device has a fault and the type and severity of the fault; The early warning unit is used to set different early warning thresholds according to the normal operation parameter range of different power equipment, and when the operation parameter of the power equipment exceeds the normal operation parameter range, an early warning notification is sent; when it is detected that the operation parameter of the power equipment exceeds the normal operation parameter range by 20%, the system sends a first-level early warning, when the operation parameter of the power equipment exceeds the normal operation parameter range by 60%, the system sends a second-level early warning, and when the operation parameter of the power equipment reaches or exceeds the rated range, the system sends a third-level early warning and starts an emergency plan, and the early warning mode is to pop up a prominent warning box on the monitoring large screen of the power dispatching center, displaying the name, position and abnormal parameter information of the early warning equipment; The dispatching unit is used to quickly start the emergency dispatching function when the power system fails, and is also used to reasonably arrange the power generation sequence and power generation power of different types of power plants according to the cost and efficiency of energy under the normal operation state of the power system; according to the type, location and severity information of the fault judged by the data analysis unit, the dispatching personnel transfer the power load to other normal transmission lines through the control system, and adjust the power generation power of the power plant to maintain the balance between supply and demand of the power system; under the normal operation state of the power system, new energy power plants are preferentially arranged for power generation, and when new energy power generation is insufficient, thermal power plants are arranged for power generation, thereby improving energy utilization efficiency and reducing energy waste; according to the type, location and severity information of the fault judged by the data analysis unit, the dispatching personnel transfer the power load to other normal transmission lines through the control system, and adjust the power generation power of the power plant to maintain the balance between supply and demand of the power system; Under the normal operation state of the power system, new energy power plants are preferentially arranged for power generation, and when new energy power generation is insufficient, thermal power plants are arranged for power generation, thereby improving energy utilization efficiency and reducing energy waste; By using different sensors and mobile inspection terminals in cooperation, the real-time monitoring and flexible inspection convenience of the operation state of different equipment in the power system are improved, the labor intensity of on-site inspection of personnel is reduced, and the operation safety of the power dispatching system is improved.

[0007] Preferably, it further comprises a decision unit; The decision unit is used to provide decision suggestions for the power dispatch personnel to deploy power, when a fault early warning occurs in a transmission line, the decision unit provides suggestions for the power transmission path, changes the power generation power distribution of the power plant and starts the standby power supply by comprehensively considering the load condition of other transmission lines, available standby lines and power load distribution factors, and carries out risk assessment and benefit analysis on the scheme, helping the dispatch personnel to select the optimal decision scheme.

[0008] Preferably, it further comprises a real-time monitoring unit and a data security unit; The real-time monitoring unit is used for monitoring the running state and power load of each device in the power system in real time, for the power plant, the dispatch personnel can view the running parameters of the generator and turbine device through the system interface in real time, in the substation, the running state of the transformer and switch device can be monitored in real time, for the transmission line, the tension, sag and current of the line can be mastered in real time; The data security unit is used for encrypting, backing up and restoring the data in the power system, in the process of data acquisition, transmission and storage, the encryption technology is adopted to ensure the confidentiality and integrity of the data, and the data is backed up regularly and stored in the data center in different places, so that the data can be recovered in time when the data is lost or damaged.

[0009] Preferably, the real-time monitoring unit further comprises a power load monitoring unit. The power load monitoring unit monitors the power load according to different urban areas and different voltage levels, through the real-time monitoring of the power load, the dispatch personnel can understand the change of the power demand in time, which provides the basis for power dispatching and improves the efficiency and accuracy of power dispatching.

[0010] Preferably, the mobile inspection terminal comprises an inflating device, a supporting device, an air pressure device, a walking device, a balancing device, a case, a camera, a thermal imager, an air bag, a disc, a piston rod, a sleeve and a limiting ring, the camera and the thermal imager are respectively installed on the outer side wall of the case, the air bag is arranged at the top end of the case, the inflating device is arranged in the case and is used for inflating helium into the air bag, the top end of the disc is connected with the bottom end of the piston rod, the piston rod is slidably installed in the sleeve, the limiting ring is installed on the inner side wall of the sleeve, the sleeve is installed at the bottom end of the case through the supporting device, the supporting device is used for adjusting the inclination angle of the sleeve, the air pressure device is communicated with the sleeve and is used for driving the piston rod to move up and down, the walking device is installed at the bottom of the case and is used for driving the case to move, the balancing device is arranged on the case and is used for adjusting the balance control of the case; the walking device drives the case to move, so that the case drives the camera and the thermal imager to move and inspect the power facilities at different positions, the inspection efficiency is improved and the labor intensity of personnel inspection is reduced, when the walking device encounters a ditch or a broken stone road section which is difficult to walk, the inflating device is used for conveying helium into the air bag, the air bag expands to generate a certain upward buoyancy on the case, so that the weight of the case is reduced, then the air pressure device is used for driving the piston rod to move downward quickly, so that the piston rod drives the disc to contact the ground, and then the disc pops up the case upward, the inclination angle of the sleeve is adjusted through the supporting device, so that the case jumps to the upper side, due to the buoyancy generated by the air bag, the hovering time of the case is increased, the distance of forward jumping is increased, and the buffer strength of the case descending is reduced, through the forward movement mode of continuous jumping, the application effect of the inspection terminal to the complex terrain is improved.

[0011] Preferably, the air pressure device comprises a first storage tank, a first pump body, a hose, a first valve, a second valve and a tension spring, the first storage tank is installed on the inner side wall of the case, the output end of the first pump body is communicated with the first storage tank, the input end of the hose is communicated with the first storage tank, the output end of the hose is communicated with the sleeve, the first valve is communicated and arranged on the hose, the second valve is communicated and arranged on the outer side wall of the sleeve, the top end of the tension spring is connected with the inner side wall of the sleeve, and the bottom end of the tension spring is connected with the top end of the piston rod; the first pump body stores compressed air in the first storage tank, the compressed air in the first storage tank is sent to the inside of the sleeve through the hose by opening the first valve, so that the air pushes the piston rod to move downward quickly, and then the disc supporting the case jumps upward, then the first valve is closed and the second valve is opened, the piston rod is pulled upward to reset by the tension spring, so that the air in the sleeve is discharged through the second valve, and the piston rod continuously pushes the disc to move downward, the amount of air entering the sleeve is controlled through the first valve, so that the distance of the piston rod moving downward is controlled, and then the height of the case jumping is controlled.

[0012] Preferably, the air filling device comprises a second storage tank, a second pump body, a third valve and a delivery pipe, the second storage tank is installed on the inner side wall of the case, the second pump body is installed on the inner side wall of the case, one end of the second pump body is communicated with the second storage tank, the other end of the second pump body is communicated with the delivery pipe, the top end of the delivery pipe is communicated with the air bag, and the third valve is communicated and arranged between the second storage tank and the second pump body; the compressed and stored helium in the second storage tank is sent to the delivery pipe through the second pump body, so that the helium is sent to the inside of the air bag through the delivery pipe, so that the air bag generates upward buoyancy on the case, the helium in the air bag is compressed and stored in the second storage tank through the second pump body, so that the buoyancy is reduced and the air bag is stored, and the use convenience is improved.

[0013] Preferably, the balancing device comprises four groups of guide grooves, four groups of counterweights and four groups of electric cylinders, the four groups of guide grooves are respectively installed in four directions inside the case, the four groups of counterweights are respectively slidably installed on the four groups of guide grooves, the four groups of electric cylinders are respectively installed on the outer side walls of the four groups of guide grooves, and the moving ends of the four groups of electric cylinders are respectively connected with the outer side walls of the four groups of counterweights; after the case jumps upward and suspends, the counterweights are moved to different positions through the electric cylinders, so that the center of the case is conveniently controlled and adjusted, the convenience of adjusting the inclination of the case is improved, and the stability of the case jumping and walking is improved.

[0014] Preferably, the walking device comprises a rotating power mechanism, four sets of support tables, a plurality of telescopic rods, a plurality of springs, four sets of bases and four sets of walking wheels, the rotating power mechanism is installed at the bottom of the case, two sets of support tables are respectively installed on the output ends of the rotating power mechanism, the other two sets of support tables are installed at the ends of the case, the top ends of the plurality of telescopic rods are respectively installed at the bottom ends of the four sets of support tables, the plurality of springs are respectively sleeved on the plurality of telescopic rods, the bottom ends of the plurality of telescopic rods are respectively connected with the top ends of the four sets of bases, the four sets of walking wheels are respectively rotatably installed on the four sets of bases, and the power motor is installed on the outer side walls of the two sets of bases; the power motor is used to drive the two sets of walking wheels to rotate; the two sets of walking wheels at the rear drive the case to walk forward by rotating; the two sets of support tables are driven to rotate by the rotating power mechanism, so that the two sets of rotating power mechanisms drive the two sets of walking wheels at the front to rotate towards the front, thereby improving the convenience of turning of the case.

[0015] Preferably, the support device comprises a support piece, a worm gear, a worm and a driving motor, the support piece is rotatably installed on the inner side wall of the case, the bottom end of the support piece is connected with the top end of the sleeve, the worm gear is installed on the outer side wall of the support piece, the worm is rotatably installed on the inner side wall of the case, the worm is engaged with the worm gear, and the driving motor is installed on the inner side wall of the case; the driving motor is connected with the worm; the worm is driven to rotate by the driving motor, so that the support piece is driven to rotate through the engagement of the worm and the worm gear, so that the support piece drives the sleeve to swing and adjust the inclination angle.

[0016] Compared with the prior art, the beneficial effects of the present application are: 1. According to the type, position and severity information of the fault judged by the data analysis unit, the dispatch personnel transfers the power load to other normal power transmission lines through the control system, and adjusts the power generation of the power plant to maintain the balance between supply and demand of the power system; 2. In the normal operation state of the power system, the new energy power plant is preferentially arranged to generate power, and the thermal power plant is arranged to generate power when the new energy power generation is insufficient, thereby improving the energy utilization efficiency and reducing energy waste; 3. By using different sensors and mobile inspection terminals, the real-time monitoring and flexible inspection convenience of different equipment operating states in the power system are improved, the labor intensity of on-site inspection is reduced, and the operation safety of the power dispatching system is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a system structure schematic diagram of the present application; Figure 2 It is a device induction unit and data acquisition and processing unit structure schematic diagram; Figure 3 It is a data analysis unit and early warning unit structure schematic diagram; Figure 4Is the shaft measurement local structure schematic diagram of the connection between the case and the air bag etc.; Figure 5 Is the shaft measurement structure schematic diagram of the connection between the case and the second storage tank etc.; Figure 6 Is the shaft measurement local structure schematic diagram of the connection between the support and the sleeve etc.; Figure 7 Is the side view structure schematic diagram of the connection between the second pump body and the delivery pipe etc.; Figure 8 Is the shaft measurement local structure schematic diagram of the connection between the counterweight and the electric cylinder etc.; Figure 9 Is the shaft measurement structure schematic diagram of the connection between the case and the rotary power mechanism etc.; Figure 10 Is the shaft measurement local structure schematic diagram of the connection between the case and the first storage tank etc.; Figure 11 Is the shaft measurement local structure schematic diagram of the connection between the disc and the piston rod etc.; Figure 12 Is the shaft measurement local structure schematic diagram of the connection between the base and the walking wheel etc.

[0018] Markings in the drawings: 101, case; 102, camera; 103, thermal imager; 104, air bag; 105, disc; 106, piston rod; 107, sleeve; 108, limiting ring; 201, first storage tank; 202, first pump body; 203, hose; 204, first valve; 205, second valve; 206, tension spring; 301, second storage tank; 302, second pump body; 303, third valve; 304, delivery pipe; 401, guide groove; 402, counterweight; 403, electric cylinder; 501, rotary power mechanism; 502, support table; 503, telescopic rod; 504, spring; 505, base; 506, walking wheel; 507, power motor; 601, support; 602, worm gear; 603, worm; 604, drive motor. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the related drawings. The present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0020] Example 1 A pre-warning power dispatching system for safety management of the present application comprises a device induction unit, a data acquisition and processing unit, a data transmission unit, a data analysis unit, a pre-warning unit and a dispatching unit. The device sensing unit is installed at key positions of the power system of the power plant, the transformer substation and the power transmission line, for sensing the running state of the power device in real time, and mobile inspection terminals are used for mobile inspection of the connection cable and the circuit node position; by installing temperature sensors, vibration sensors and current sensors on the generator of the power plant, the running state of the generator is monitored in real time, the temperature sensors accurately measure the temperature of the stator and rotor of the generator, by installing oil temperature sensors, oil level sensors and gas sensors in the transformer substation, abnormal rise of the transformer oil temperature is found in time according to the oil temperature sensor, the oil level sensor ensures that the oil level is in the normal range, and the gas sensor can detect whether abnormal gas is generated in the transformer, so as to indicate potential failure, by installing tension sensors, sag sensors and weather sensors on the power transmission line, the tension sensors and the sag sensors are used for monitoring the mechanical state of the power transmission line, and the weather sensor collects temperature, humidity, wind speed and wind direction weather data around the line, so that the power dispatching system can make a warning scheme for extreme weather, and the mobile inspection terminal uses a camera to perform appearance inspection on the cable and the circuit node, and uses a partial discharge sensor and a thermal imaging temperature sensor to perform abnormal detection on the cable and the circuit node.

[0021] The data acquisition and processing unit is used to collect the state information of different devices sent by the device sensing unit, and then convert it into a transmissible digital signal; when the collected data is transmitted to the data acquisition unit, first, data cleaning preprocessing is performed, noise and abnormal values in the data are removed through an algorithm, and at the same time, data format conversion is performed, so that data from different devices and in different formats are uniformly converted into a standard format that can be recognized and processed by the system.

[0022] The data transmission unit is used to transmit the signals of the data acquisition and processing unit between the power plant and the transformer substation and between the power dispatching center through a network framework combined with multiple communication modes, and the signals are transmitted through optical fiber communication network; for remote areas and mobile inspection terminals, the signals are transmitted through wireless communication; through the combination of optical fiber communication and wireless communication, the overall effect of data transmission coverage is improved, and the flexibility and reliability of data transmission between power fixed facilities and power mobile facilities are improved.

[0023] The data analysis unit is used to first preprocess the collected data, and then deeply analyze the data, and by using the self-built fault diagnosis model, different faults of different devices can be judged; by learning and training a large amount of historical operation data of power devices, a fault diagnosis model is built, when real-time power device operation data is received, the model can quickly and accurately judge whether the power device has a fault and the type and severity of the fault.

[0024] The early warning unit is used for setting different early warning thresholds according to the normal operation parameter range of different power equipment, and issuing a pre-warning notification when the operation parameter of the power equipment exceeds the normal operation parameter range; when it is detected that the operation parameter of the power equipment exceeds the normal operation parameter range by 20%, the system issues a first-level early warning, when the operation parameter of the power equipment exceeds the normal operation parameter range by 60%, the system issues a second-level early warning, and when the operation parameter of the power equipment reaches or exceeds the rated range, the system issues a third-level early warning and starts an emergency plan, and the early warning mode is to pop up a prominent warning box on the monitoring large screen of the power dispatching center, displaying the name, position and abnormal parameter information of the early warning equipment.

[0025] The dispatching unit is used for starting the emergency dispatching function when the power system fails, and is also used for reasonably arranging the power generation sequence and power generation power of different types of power plants according to the cost and efficiency of energy under the normal operation state of the power system; according to the type, position and severity information of the fault judged by the data analysis unit, the dispatching personnel transfers the power load to other normal transmission lines by operating the system, and adjusts the power generation power of the power plant to maintain the balance between supply and demand of the power system; under the normal operation state of the power system, the new energy power plant is preferentially arranged to generate power, and the thermal power plant is arranged to generate power when the new energy power generation is insufficient, so as to improve the energy utilization efficiency and reduce energy waste; The decision unit is further included; The decision unit is used for providing decision suggestions for the power dispatching personnel to deploy power, when a fault early warning occurs in a transmission line, the decision unit provides suggestions for the power transmission path, changes the power generation power distribution of the power plant and starts the standby power supply by comprehensively considering the load condition of other transmission lines, the available standby lines and the power load distribution factors, and performs risk evaluation and benefit analysis on the scheme to help the dispatching personnel select the optimal decision scheme; The real-time monitoring unit and the data security unit are further included; The real-time monitoring unit is used for monitoring the operation state of each device in the power system and the power load condition in real time; for the power plant, the dispatching personnel can view the operation parameters of the generator and the steam turbine device in real time through the system interface; for the transformer substation, the operation state of the transformer and the switching device can be monitored in real time; for the transmission line, the tension, sag and current of the line can be mastered in real time; The data security unit is used for encrypting, backing up and restoring data in the power system; in the data acquisition, transmission and storage process, encryption technology is adopted to ensure the confidentiality and integrity of the data, and data backup is performed regularly, and the backup data is stored in a data center in a different place, so that the data can be recovered in time when data loss or damage occurs; The real-time monitoring unit further includes a power load monitoring unit; The power load monitoring unit monitors the power load according to different urban areas and different voltage levels, and through real-time monitoring of the power load, the dispatch personnel can timely understand the change of the power demand, provide basis for power dispatch, and improve the power dispatch efficiency and accuracy; In the embodiment, according to the type, location and severity information of the fault judged by the data analysis unit, the dispatch personnel transfers the power load to other normal power transmission lines through the operation system, and adjusts the power generation of the power plant to maintain the balance between supply and demand of the power system; in the normal operation state of the power system, the new energy power plant is preferentially arranged to generate power, and the thermal power plant is arranged to generate power when the new energy power generation is insufficient, thereby improving the energy utilization efficiency and reducing energy waste; through the cooperation of different sensors and mobile inspection terminals, the real-time monitoring and flexible inspection convenience of the operation state of different equipment in the power system are improved, the labor intensity of on-site inspection of personnel is reduced, and the operation safety of the power dispatch system is improved.

[0026] Embodiment 2 On the basis of embodiment 1, the mobile inspection terminal comprises an inflating device, a supporting device, an air pressure device, a walking device, a balancing device, a case 101, a camera 102, a thermal imager 103, an air bag 104, a disc 105, a piston rod 106, a sleeve 107 and a limiting ring 108, the camera 102 and the thermal imager 103 are respectively installed on the outer side wall of the case 101, the air bag 104 is arranged at the top end of the case 101, the case 101 is provided with the inflating device, the inflating device is used for inflating helium in the air bag 104, the top end of the disc 105 is connected with the bottom end of the piston rod 106, the piston rod 106 is slidingly installed in the sleeve 107, the limiting ring 108 is installed on the inner side wall of the sleeve 107, the sleeve 107 is installed at the bottom end of the case 101 through the supporting device, the supporting device is used for adjusting the inclination angle of the sleeve 107, the air pressure device is communicated with the sleeve 107, the air pressure device is used for driving the piston rod 106 to move up and down, the walking device is installed at the bottom of the case 101, the walking device is used for driving the case 101 to move and walk, and the balancing device is arranged on the case 101 and is used for adjusting the balance control of the case 101; The air pressure device comprises a first storage tank 201, a first pump body 202, a hose 203, a first valve 204, a second valve 205 and a tension spring 206, the first storage tank 201 is installed on the inner side wall of the case 101, the output end of the first pump body 202 is communicated with the first storage tank 201, the input end of the hose 203 is communicated with the first storage tank 201, the output end of the hose 203 is communicated with the sleeve 107, the first valve 204 is communicated and arranged on the hose 203, the second valve 205 is communicated and arranged on the outer side wall of the sleeve 107, the top end of the tension spring 206 is connected with the inner side wall of the sleeve 107, and the bottom end of the tension spring 206 is connected with the top end of the piston rod 106; The inflating device comprises a second storage tank 301, a second pump body 302, a third valve 303 and a delivery pipe 304, the second storage tank 301 is installed on the inner side wall of the cabinet 101, the second pump body 302 is installed on the inner side wall of the cabinet 101, one end of the second pump body 302 is communicated with the second storage tank 301, the other end of the second pump body 302 is communicated with the delivery pipe 304, the top end of the delivery pipe 304 is communicated with the air bag 104, and the third valve 303 is arranged in communication between the second storage tank 301 and the second pump body 302. The balancing device comprises four groups of guide grooves 401, four groups of counterweights 402 and four groups of electric cylinders 403, the four groups of guide grooves 401 are respectively installed in four directions inside the cabinet 101, the four groups of counterweights 402 are respectively slidably installed on the four groups of guide grooves 401, and the four groups of electric cylinders 403 are respectively installed on the outer side walls of the four groups of guide grooves 401, and the moving ends of the four groups of electric cylinders 403 are respectively connected with the outer side walls of the four groups of counterweights 402. The walking device comprises a rotating power mechanism 501, four groups of support tables 502, a plurality of telescopic rods 503, a plurality of springs 504, four groups of bases 505 and four groups of walking wheels 506, the rotating power mechanism 501 is installed at the bottom of the cabinet 101, two groups of support tables 502 are respectively installed on the output ends of the rotating power mechanism 501, the other two groups of support tables 502 are installed at the ends of the cabinet 101, the top ends of the plurality of telescopic rods 503 are respectively installed at the bottom ends of the four groups of support tables 502, the plurality of springs 504 are respectively sleeved on the plurality of telescopic rods 503, the bottom ends of the plurality of telescopic rods 503 are respectively connected with the top ends of the four groups of bases 505, the four groups of walking wheels 506 are respectively rotatably installed on the four groups of bases 505, and a power motor 507 is installed on the outer side walls of two groups of bases 505, and the power motor 507 is used to drive the two groups of walking wheels 506 to rotate; The supporting device comprises a supporting piece 601, a worm gear 602, a worm 603 and a driving motor 604, the supporting piece 601 is rotatably installed on the inner side wall of the cabinet 101, the bottom end of the supporting piece 601 is connected with the top end of the sleeve 107, the worm gear 602 is installed on the outer side wall of the supporting piece 601, the worm 603 is rotatably installed on the inner side wall of the cabinet 101, the worm 603 is engaged with the worm gear 602, and the driving motor 604 is installed on the inner side wall of the cabinet 101, and the output end of the driving motor 604 is connected with the worm 603. In the embodiment, the case 101 is driven to move by the walking device, so that the case 101 drives the camera 102 and the thermal imager 103 to move and inspect power facilities at different positions, the inspection efficiency is improved, and the labor intensity of personnel inspection is reduced; when a ditch or a broken stone section difficult to walk is encountered during walking, the helium is delivered to the inside of the air bag 104 by the inflating device, the air bag 104 generates a certain upward buoyancy to the case 101 after swelling, so that the weight of the case 101 is reduced, then the piston rod 106 is quickly moved downward by the air pressure device, so that the disc 105 driven by the piston rod 106 is in contact with the ground, and then the disc 105 pops up the case 101 upward, the inclination angle of the sleeve 107 is adjusted by the supporting device, so that the case 101 jumps to the upper side, due to the buoyancy generated by the air bag 104, the hovering time of the case 101 is increased, the distance of forward jumping is improved, and the buffer strength of the case 101 is reduced, the forward movement mode of continuous jumping is adopted, the application effect of the inspection terminal to complex terrain is improved, the air is compressed and stored in the first storage tank 201 by the first pump body 202, the compressed air in the first storage tank 201 is delivered to the inside of the sleeve 107 through the hose 203 by opening the first valve 204, so that the air drives the piston rod 106 to move downward quickly, and then the disc 105 supports the case 101 to jump upward, then the first valve 204 is closed and the second valve 205 is opened, the piston rod 106 is pulled upward to reset by the tension spring 206, so that the air in the sleeve 107 is discharged through the second valve 205, so as to make the piston rod 106 continuously push the disc 105 to move downward, the amount of air entering the sleeve 107 is controlled by the first valve 204, so as to control the downward movement distance of the piston rod 106, and then the jumping height of the case 101 is controlled; the helium compressed and stored in the second storage tank 301 is delivered to the delivery pipe 304 by the second pump body 302, so that the delivery pipe 304 delivers the helium to the inside of the air bag 104, so that the air bag 104 generates upward buoyancy to the case 101, the helium in the air bag 104 is compressed and stored in the second storage tank 301 by the second pump body 302, so as to reduce the buoyancy and store the air bag 104, and improve the use convenience.

[0027] As Figures 1 to 12As shown, the pre-warning power dispatching system for safety management of the present application, when working, the walking device drives the case 101 to walk and move, so that the case 101 drives the camera 102 and the thermal imager 103 to move and patrol the power facilities at different positions, when encountering gullies or difficult-to-walk gravel sections during walking, the inflator device sends helium into the air bag 104, the air bag 104 expands to generate a certain upward buoyancy to the case 101, thereby reducing the weight of the case 101, then the air pressure device pushes the piston rod 106 to move downward quickly, so that the piston rod 106 drives the disc 105 to contact the ground downward, and then the disc 105 pops up the case 101 upward, and the support device adjusts the inclination angle of the sleeve 107, so that the case 101 jumps upward.

[0028] The main functions realized by the present application are: prioritizing the arrangement of new energy power plant power generation, and arranging thermal power plant power generation when new energy power generation is insufficient, thereby improving energy utilization efficiency, reducing energy waste, reducing the labor intensity of personnel on-site inspection, and improving the operation safety of the power dispatching system; Through the continuously jumping forward mode, the applicability of the inspection terminal to complex terrain is improved.

[0029] The camera 102, the thermal imager 103, the first pump body 202, the second pump body 302, the electric cylinder 403, the rotary power mechanism 501, the power motor 507 and the driving motor 604 of the pre-warning power dispatching system for safety management of the present application are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual, without the technical personnel in the field having to exert creative labor.

[0030] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary technical personnel in the technical field, several improvements and modifications can be made without departing from the technical principles of the present application, and these improvements and modifications should be regarded as the protection scope of the present application.

Claims

1. A pre-warning power dispatching system for security management, characterized in that, The system comprises a device sensing unit, a data acquisition and processing unit, a data transmission unit, a data analysis unit, a warning unit and a dispatching unit. The device sensing unit is installed at key positions of the power system in power plants, substations and transmission lines to sense the running state of power devices in real time, and mobile inspection terminals are used to move and inspect the connection cables and circuit node positions. The data acquisition and processing unit is used to collect the state information of different devices from the device sensing unit and then convert it into digital signals that can be transmitted. The data transmission unit is used to transmit the signals of the data acquisition and processing unit between power plants and substations and between the power dispatching center by using an optical fiber communication network, and to transmit the signals of remote areas and mobile inspection terminals by using wireless communication. The warning unit is used to set different warning thresholds according to the normal operating parameter range of different power devices, and to issue a warning notification when the operating parameters of the power devices exceed the normal operating parameter range. The dispatching unit is used to quickly start the emergency dispatching function when the power system fails, and to reasonably arrange the power generation sequence and power generation capacity of different types of power plants according to the cost and efficiency of energy under normal operation of the power system.

2. The pre-alarmable power scheduling system for security management of claim 1, wherein, The system further comprises a decision unit. The decision unit is used to provide decision-making suggestions for power dispatch personnel, and when a fault warning occurs on a power transmission line, the decision unit provides suggestions for power transmission path, change of power generation power distribution and starting of standby power supply by comprehensively considering the load conditions of other power transmission lines, available standby lines and power load distribution factors, and performs risk assessment and benefit analysis on the scheme to help the dispatch personnel select the optimal decision-making scheme.

3. The pre-alarmed power scheduling system for security management of claim 1, wherein, The system further comprises a real-time monitoring unit and a data security unit. The real-time monitoring unit is used to monitor the running state of each device and the power load in the power system in real time. For power plants, the dispatch personnel can view the operating parameters of the generator and turbine devices in real time through the system interface. In substations, the running state of transformers and switch devices can be monitored in real time. For transmission lines, the tension, sag and current of the lines can be monitored in real time. The data security unit is used to encrypt, backup and restore data in the power system. Encryption technology is used to ensure the confidentiality and integrity of data during data acquisition, transmission and storage, and data backup is performed regularly to store backup data in a remote data center, so that data can be recovered in time when data loss or damage occurs.

4. The pre-alarmable power scheduling system for security management of claim 3, wherein, The real-time monitoring unit further comprises a power load monitoring unit. The power load monitoring unit monitors the power load in different urban areas and at different voltage levels. Through real-time monitoring of the power load, the dispatch personnel can timely understand the changes in power demand, which provides a basis for power dispatching and improves the efficiency and accuracy of power dispatching.

5. The pre-alarmed power scheduling system for security management of claim 1, wherein, The mobile inspection terminal comprises an inflating device, a supporting device, an air pressure device, a walking device, a balancing device, a case (101), a camera (102), a thermal imager (103), an air bag (104), a disc (105), a piston rod (106), a sleeve (107) and a limiting ring (108), the camera (102) and the thermal imager (103) are respectively installed on the outer side wall of the case (101), the air bag (104) is arranged at the top end of the case (101), the inflating device is arranged in the case (101) and is used for inflating helium into the air bag (104), the top end of the disc (105) is connected with the bottom end of the piston rod (106), the piston rod (106) is slidably installed in the sleeve (107), the limiting ring (108) is installed on the inner side wall of the sleeve (107), the sleeve (107) is installed at the bottom end of the case (101) through the supporting device, the supporting device is used for adjusting the inclination angle of the sleeve (107), the air pressure device is communicated with the sleeve (107), the air pressure device is used for driving the piston rod (106) to move up and down, the walking device is installed at the bottom of the case (101) and is used for driving the case (101) to move and walk, and the balancing device is arranged on the case (101) and is used for balancing control and adjustment of the case (101).

6. The pre-alarmed power scheduling system for security management of claim 5, wherein, The air pressure device comprises a first storage tank (201), a first pump body (202), a hose (203), a first valve (204), a second valve (205) and a tension spring (206), the first storage tank (201) is installed on the inner side wall of the case (101), the output end of the first pump body (202) is communicated with the first storage tank (201), the input end of the hose (203) is communicated with the first storage tank (201), the output end of the hose (203) is communicated with the sleeve (107), the first valve (204) is communicated and arranged on the hose (203), the second valve (205) is communicated and arranged on the outer side wall of the sleeve (107), the top end of the tension spring (206) is connected with the inner side wall of the sleeve (107), and the bottom end of the tension spring (206) is connected with the top end of the piston rod (106).

7. The pre-alarmed power scheduling system for security management as claimed in claim 5 wherein, The inflating device comprises a second storage tank (301), a second pump body (302), a third valve (303) and a conveying pipe (304), the second storage tank (301) is installed on the inner side wall of the case (101), the second pump body (302) is installed on the inner side wall of the case (101), one end of the second pump body (302) is communicated with the second storage tank (301), the other end of the second pump body (302) is communicated with the conveying pipe (304), the top end of the conveying pipe (304) is communicated with the air bag (104), and the third valve (303) is communicated and arranged between the second storage tank (301) and the second pump body (302).

8. The pre-alarmed power scheduling system for security management as claimed in claim 5 wherein, The balancing device includes four sets of guide grooves (401), four sets of counterweights (402) and four sets of electric cylinders (403), the four sets of guide grooves (401) are respectively installed inside the cabinet (101) in four directions, the four sets of counterweights (402) are respectively slidably installed on the four sets of guide grooves (401), and the four sets of electric cylinders (403) are respectively installed on the outer side walls of the four sets of guide grooves (401).

9. The pre-alarmed power scheduling system for security management as claimed in claim 5 wherein, The walking device includes a rotating power mechanism (501), four sets of support tables (502), a plurality of telescopic rods (503), a plurality of springs (504), four sets of bases (505) and four sets of walking wheels (506), the rotating power mechanism (501) is installed at the bottom of the cabinet (101), two sets of support tables (502) are respectively installed on the output ends of the rotating power mechanism (501), the other two sets of support tables (502) are installed at the ends of the cabinet (101), the top ends of the plurality of telescopic rods (503) are respectively installed at the bottom ends of the four sets of support tables (502), the plurality of springs (504) are respectively sleeved on the plurality of telescopic rods (503), the bottom ends of the plurality of telescopic rods (503) are respectively connected with the top ends of the four sets of bases (505), the four sets of walking wheels (506) are respectively rotatably installed on the four sets of bases (505), and a power motor (507) is installed on the outer side walls of two sets of bases (505).

10. The pre-alarmed power scheduling system for security management as claimed in claim 5 wherein, The supporting device includes a support piece (601), a worm gear (602), a worm (603) and a driving motor (604), the support piece (601) is rotatably installed on the inner side wall of the cabinet (101), the bottom end of the support piece (601) is connected with the top end of the sleeve (107), the worm gear (602) is installed on the outer side wall of the support piece (601), the worm (603) is rotatably installed on the inner side wall of the cabinet (101), the worm (603) is engaged with the worm gear (602), and the driving motor (604) is installed on the inner side wall of the cabinet (101).

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