CN110323836A - Electrical Safety hidden danger supervisory systems and its working method based on safe cloud platform - Google Patents

Abstract

The invention proposes a kind of Electrical Safety hidden danger supervisory systems and its working method based on safe cloud platform, including high voltage supply case, low-voltage distribution cabinet and floor distribution box, electric data acquisition terminal is installed in the high voltage supply case, low-voltage distribution cabinet and floor distribution box, electric data acquisition terminal is connected with management cloud platform, management cloud platform is connected with O&M server, and O&M server is connected with user terminal.The present invention acquires electric data in each region by the electric data acquisition terminal in each region respectively, and by real-time data transmission to managing cloud platform, discovery electrical safety hidden danger in time, carry out sound-light alarm, to realize Electrical Safety hidden danger supervision and management, it can be effectively reduced and relate to electrification, improve power supply service level, there is apparent Social benefit and economic benefit.

Description

Electricity safety hazard supervision system and its working method based on security cloud platform

technical field

The invention relates to the technical field of electricity safety supervision, in particular to a safety cloud platform-based electricity safety hidden danger supervision system and a working method thereof.

Background technique

With the improvement of scientific and technological productivity, people's production and life have entered the era of high electrification, and the popularity of household appliances has reached an unprecedented level. In 2017, the national electricity consumption was 6.3 trillion kWh, the per capita electricity consumption was 4538 kWh, and the per capita domestic electricity consumption was 625 kWh. The exponential growth of electricity consumption by urban residents has resulted in an increase in the number of electrical fires. From 2011 to 2016, a total of 524,000 electrical fires occurred in my country, causing 3,261 deaths, 2,063 injuries, and direct economic losses of more than 9.2 billion yuan.

In terms of electricity safety supervision, it mainly relies on manual inspection and traditional automatic fire alarm system. The manual inspection data is not time-sensitive and cannot prevent prevention. The automatic fire alarm system is highly dependent on the alarm controller and requires manual inspection. Intervention, poor real-time performance, also wastes the best time for disaster relief, and at present, the monitoring data at all levels in the power grid cannot be monitored in real time and comprehensively, which is not conducive to the overall regulation and early warning of power supply, and the overall power service level is low.

At present, the online monitoring technology of electrical equipment refers to the measurement of conventional insulation characteristic parameters such as capacitance, current, dielectric loss factor, etc., to reflect whether there is a problem in the operation of electrical equipment when the electrical equipment is operating normally. Electrical equipment has a great influence, and it can also reflect the defects of the equipment during operation. It has high sensitivity and is easy to operate. There are two main methods for the dielectric loss factor. One is the zero-crossing phase comparison method, which performs zero-crossing shaping by obtaining current and voltage signals Become the square wave current and voltage of zero-crossing reversal, use the OR gate circuit to compare the square wave width of the current and voltage zero-crossing time difference, and read the square wave width, and finally calculate the dielectric loss factor according to the current and voltage signals; the other is Harmonic analysis test method, the current signal is drawn from the end of the current transformer detection equipment, the voltage signal is extracted twice, the signal is amplified by the method, filtered and programmed, and then the discrete digital signal is finally obtained through synchronous sampling, and the computer is used for fast Fu The fundamental wave Fourier coefficient is obtained after Liye transform, and then the fundamental wave phase difference is calculated to finally obtain the dielectric loss factor; in the online detection of electrical equipment, sensor technology is mainly used, and sensor technology can obtain more and more accurate state quantities of electrical equipment data parameter.

Contents of the invention

Aiming at the current technical problems that the power supply equipment at all levels in the power grid cannot be monitored in real time and comprehensively, which is not conducive to the overall regulation and warning of power supply, and the overall service level of power consumption is low, the present invention proposes a monitoring system for potential safety hazards in power consumption based on a security cloud platform and its work method.

In order to solve the problems referred to above, technical scheme of the present invention is realized like this:

A safety hazard monitoring system based on a security cloud platform, including a high-voltage power supply box, a low-voltage power distribution cabinet, and a floor distribution box, all of which are equipped with electrical appliances. The data collection terminal and electrical data collection terminal are connected to the management cloud platform, the management cloud platform is connected to the operation and maintenance server, and the operation and maintenance server is connected to the user terminal.

Preferably, the electrical data acquisition terminal includes a box body, both sides of the box body are fixedly connected to the tight wire box, the upper part of the box body and the lower part of the box body are connected to the fixing plate, and the box body is provided with a liquid crystal display and a buzzer There is a control board in the box, and the control board is respectively connected with the power quality detection component and the environmental monitoring component through the communication cable, and the communication cable is matched with the tightening box, and the control board is connected with the management cloud platform through the wireless communication module. connect.

Preferably, the power quality detection component includes a Hall voltage sensor, a Hall current sensor, a leakage current sensor and a first temperature sensor, the input end of the Hall voltage sensor is connected to the output end of the three-phase outlet end, and the Hall voltage sensor The output end of the Hall current sensor is connected to the control board through a communication cable, the input end of the Hall current sensor is connected to the output end of the three-phase outlet end and the output end of the Hall current sensor is connected to the control board through a communication cable, and the leakage current sensor The input end of the sensor is connected to the output end of the three-phase outlet end and the output end of the leakage sensor is connected to the control board through a communication cable. The first temperature sensor is sleeved on the three-phase outlet end and the first temperature sensor is connected to the connected to the control board.

Preferably, the environment monitoring component includes a second temperature sensor and a smoke sensor, both of which are connected to the control board.

Preferably, the control board includes a battery, the battery is connected to the MCU, the MCU is connected to the GPS positioning module, and the MCU is connected to the Hall voltage sensor, Hall current sensor, The leakage current sensor is connected with the first temperature sensor, the MCU is respectively connected with the second temperature sensor and the smoke sensor in the environmental monitoring component through the A/D signal converter, and the MCU is connected with the management cloud platform through the wireless communication module.

Preferably, the tightening box is fixedly connected to the box and communicates with the box. Several threaded holes are reserved on the tightening box. There are several threading plates in the tightening box, and a threading slot is formed between adjacent threading plates. Communication cables are threaded in the threading slot and adjacent threading plates are connected by pressing seats. Both ends of the pressing seats The two sets of threading plates are movable respectively, and the jacking wire passes through the threaded hole to cooperate with the upper part of the pressing seat.

Preferably, the user terminal is a smart phone or ipad.

The working method of the safety hazard supervision system based on the safety cloud platform includes the following steps:

S1, the electrical data monitored by the electrical data acquisition terminals installed in the high-voltage power supply box, low-voltage power distribution cabinet and floor distribution box are transmitted to the management cloud platform in real time;

S2, the management cloud platform classifies the real-time electrical data from different locations into power quality data and operating environment data, respectively establishes a mapping table for the relationship between power quality data and location source, and a mapping table for the relationship between operating environment data and location source;

S3, then correlate and compare the power quality data with the power quality safety data stored in the operation and maintenance server, and compare the operation environment data with the operation environment security data stored in the operation and maintenance server;

S4. If the comparison deviation between a certain power quality data and the corresponding power quality safety data is greater than 10%, it is determined that the power quality is degraded, and the management cloud platform transfers the power quality data at other locations for comprehensive analysis and comparison, and finds the factors affecting power quality. According to step S2, search for the location source information of the corresponding power quality decline, and the management cloud platform sends an alarm message to the user terminal of the location source;

S5. If the operating environment data does not match the operating environment security data, it is determined that the operating environment is abnormal, and the source information of the corresponding abnormal operating location is searched according to step S2, and the management cloud platform sends an alarm message to the source user terminal of the location.

Beneficial effects of the present invention: the present invention collects the electrical data in each area through the electrical data acquisition terminal in each area, and the electrical data acquisition terminal collects real-time detection of three-phase line voltage, current, leakage state and cable temperature, which is convenient for monitoring current and voltage analysis of power quality, and use the second temperature sensor and smoke sensor to monitor the temperature and smoke in the power supply box. Once an electrical fire occurs in the power supply box, the supervisor can know the location of the fire power supply box in time, and the monitoring information is time-sensitive and real-time transmission of data to the management cloud platform, timely detection of electrical safety hazards, sound and light alarms, which is conducive to the overall power supply regulation, so as to realize the supervision and management of electricity safety hazards, which can effectively reduce electricity-related accidents and improve electricity services Level, with obvious social and economic benefits.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 is a schematic diagram of the network topology of the present invention.

Fig. 2 is a schematic structural diagram of an electrical data collection terminal in the present invention.

Fig. 3 is a signal principle diagram of the electrical data acquisition terminal in the present invention.

Fig. 4 is a signal schematic diagram of the present invention.

Fig. 5 is a schematic structural diagram of the tightening box in Fig. 2 .

FIG. 6 is a schematic structural view of the pressing seat in FIG. 5 .

FIG. 7 is a schematic structural diagram of the threading plate in FIG. 5 .

In the figure, 1 is the fixed plate, 2 is the LCD screen, 3 is the buzzer, 4 is the tightening box, 5 is the box body, 6 is the threaded hole, 7 is the pressing seat, 8 is the threading plate, and 9 is the concave slot, 10 is the return spring, 11 is the Hall voltage sensor, 12 is the Hall current sensor, 13 is the smoke sensor, 14 is the wireless communication module, 15 is the management cloud platform, 16 is the leakage current sensor, 17 is the MCU, 18 is The first temperature sensor, 19 is the second temperature sensor, 20 is the GPS positioning module, 21 is the operation and maintenance server, and 22 is the user terminal.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figure 1, a safety hazard monitoring system based on a security cloud platform includes a high-voltage power supply box, a low-voltage power distribution cabinet, and a floor distribution box. The high-voltage power supply box, low-voltage power distribution cabinet, and floor distribution box Electrical data acquisition terminals are installed inside, and the electrical data and operating environment data in the high-voltage power supply box, low-voltage power distribution cabinet and floor distribution box are monitored by using the electrical data acquisition terminals in each area. Connected with the management cloud platform 15, the management cloud platform is the monitoring host of the monitoring center, the electrical data and operating environment data in the power supply areas at all levels in the distribution network are transmitted to the management cloud platform 15 in real time, and the management cloud platform 15 is connected to the operation and maintenance server 21 connection, the management cloud platform stores various data in the operation and maintenance server, and the operation and maintenance server 21 is connected to the user terminal 22. The person in charge of each area can use the user terminal to view the electrical data and operating environment data in the area in real time. In case of emergency, the management cloud platform sends an alarm message to the user terminal, so that the person in charge of the area can make timely repairs and improve the service level of electricity consumption.

As shown in Figure 2, the electrical safety data comprehensive acquisition terminal includes a box body 5, and the box body 5 is provided with a liquid crystal display 2 and a buzzer 3, and the liquid crystal display is used to display various monitoring data, which is convenient for inspection personnel Record during regular inspections, and the buzzer is used to send out a voice alarm in time when the monitoring data is abnormal. The upper part of the box body 5 and the lower part of the box body 5 are equipped with a fixed plate 1. The fixed plate 1 is detachably connected to the power supply box through bolts. Both sides of the box body 5 are provided with a tightening box 4, the tightening box 4 is welded with the box body 5 and the box body 4 is connected with the box body 5, and a control panel is fixedly arranged in the box body 5.

As shown in Figure 5, several threaded holes 6 are reserved on the tightening box 4, and the threaded holes 6 cooperate with the top wire, that is, the threaded hole and the top wire are threadedly connected. The inside of the box 4 is connected to limit the position of the communication cable after the top wire penetrates into the tightening seat and tightens the pressing seat. The tightening box 4 is provided with several threading plates 8, and a gap is formed between adjacent threading plates 8. Threading trough, the communication cable is threaded in the threading trough and the adjacent threading plates 8 are connected through the pressing seat 7, as shown in Figure 6, the shape of the pressing seat 7 is U-shaped, and the two ends of the pressing seat 7 are respectively movable In two groups of threading plates 8, as shown in Figure 7, a groove 9 is provided on the threading plate 8, and a return spring 10 is arranged in the groove 9, and the return spring 10 is fixedly connected with the bottom of the pressing seat 7, and is driven by the return spring. The pressing seat moves up and down in the threading plate, and the top wire passes through the threaded hole 6 to cooperate with the upper part of the pressing seat 7. The upper part of the pressing seat 7 is provided with a movable hole and the movable hole and the threaded hole are on the same vertical axis. The diameter of the hole is larger than the diameter of the threaded hole, which is convenient for the top wire to pass through the threaded hole 6 and then be set in the movable hole. The overall structure of the present invention is compact, which is convenient for installation in the power supply box. At the same time, the communication cable of each sensor is limited by the tightening box , The overall wiring is neat and beautiful, which is convenient for staff to overhaul.

The three-phase outlets in the power supply box are provided with a power quality detection component, and the inner wall of the power supply box is provided with an environmental monitoring component. The power quality detection component and the environmental monitoring component are connected to the control board through communication cables and the communication cables Cooperating with the tension box 4, the control panel is connected with the management cloud platform 15.

The power quality detection assembly includes a Hall voltage sensor 11, a Hall current sensor 12, a leakage current sensor 16 and a first temperature sensor 18, the input end of the Hall voltage sensor 11 is connected with the output end of the three-phase outlet end, and the Hall The voltage sensor 11 is connected in parallel to the fire wire and the ground wire of the three-phase outlet terminal for measuring the three-phase voltage, and the output terminal of the Hall voltage sensor 11 is connected with the control board through a communication cable, and the input terminal of the Hall current sensor 12 is connected to the three-phase voltage sensor. The output terminals of the outlet terminals are connected, the Hall current sensor 12 is connected in series with the three-phase outlet terminals for measuring the three-phase current and the output terminal of the Hall current sensor 12 is connected with the control board through a communication cable, and the input terminal of the leakage current sensor 16 It is connected with the output terminal of the three-phase outlet, and the leakage current sensor 16 is connected in series with the three-phase outlet to monitor whether there is leakage at the three-phase outlet, and the output of the leakage sensor 16 is connected to the control board through a communication cable, and the first temperature The sensor 18 is sleeved on the three-phase outlet and the first temperature sensor 18 is connected to the control board through a communication cable. The first temperature sensor is used to detect the temperature of the three-phase cable. The first temperature sensor adopts the TS2229 screw-in sensor Temperature cable sensor.

The environmental monitoring assembly includes a second temperature sensor 19 and a smoke sensor 13, the second temperature sensor 19 and the smoke sensor 13 are fixed on the inner wall of the power supply box, the second temperature sensor is used to monitor the temperature in the power supply box, and the smoke sensor is used to monitor Whether there is an electric fire in the power supply box, the second temperature sensor 19 and the smoke sensor 13 are all connected with the control board.

As shown in Figures 3 and 4, the control panel is provided with a storage battery, the storage battery is connected to the MCU17 and the storage battery supplies the Hall voltage sensor, the Hall current sensor, the leakage current sensor, the first temperature sensor, and the A/D signal respectively. The converter, the second temperature sensor, the smoke sensor and the wireless communication module are powered, the MCU17 is connected with the GPS positioning module 20, and the MCU17 is respectively connected to the Hall voltage sensor 11 and Hall current in the power quality detection component through the A/D signal converter. Sensor 12, leakage current sensor 16 are connected with the first temperature sensor 18, MCU17 is respectively connected with the second temperature sensor 19 and the smoke sensor 13 in the environmental monitoring assembly by A/D signal converter, MCU17 is connected with the smoke sensor 13 by wireless communication module 14 The management cloud platform 15 is connected, and the wireless communication module 14 is a 4G communication module or a GPRS-DTU communication module, through the Hall voltage sensor, the Hall current sensor, the leakage current sensor and the first temperature sensor at the outlet end of the power supply equipment in each area. Phase line voltage, current, leakage status and cable temperature are detected in real time, and the detection data is transmitted to the MCU in real time, and the MCU transmits the detection data to the management cloud platform through the wireless communication module, so that the monitoring center staff can analyze the power quality according to the monitoring current and voltage, In addition, the temperature and smoke in the power supply box are monitored by using the second temperature sensor and the smoke sensor. Once an electrical fire occurs in the power supply box, supervisors can know the location of the fire power supply box in time.

The working method of the safety hazard supervision system based on the safety cloud platform includes the following steps:

S1, the electrical data monitored by the electrical data acquisition terminals respectively installed in the high-voltage power supply box, the low-voltage power distribution cabinet and the floor distribution box are transmitted to the management cloud platform 15 in real time;

S2, the management cloud platform 15 classifies the real-time electrical data from different locations into power quality data and operating environment data, the electrical data includes three-phase voltage, three-phase current, leakage current and cable temperature, and the operating environment data includes ambient temperature and For smoke detection data, respectively establish a mapping table for power quality data and location source relationship, and a mapping table for the relationship between operating environment data and location source;

S3, then correlate and compare the power quality data with the power quality safety data stored in the operation and maintenance server, the power quality safety data is the standard data in safe operation, and the operating environment data is safe with the operating environment data stored in the operation and maintenance server 21 Data association comparison;

S4, if the comparison deviation between a certain power quality data and the corresponding power quality safety data is greater than 10%, it is determined that the power quality has declined, and the management cloud platform 15 calls the power quality data at other locations for comprehensive comparison, and searches for the corresponding power according to step S2 For information on the location source of quality degradation, the management cloud platform 15 sends an alarm message to the source user terminal 22 of the location. If the electrical data of the power supply equipment at all levels in the distribution network is found to be deviated, the management cloud platform sends an abnormal message to the person in charge of the high-voltage power supply box area , the person in charge of the area checks the operation of the power supply equipment of the high-voltage power distribution cabinet; Check the operation of the power supply equipment of the low-voltage power distribution cabinet; if the electrical data of the high-voltage power supply box and the low-voltage power distribution cabinet are normal, and the electrical data in the floor distribution box is abnormal, the management cloud platform will send an abnormal message to the person in charge of the floor distribution box area, and the area responsible Personnel carry out the operation of the power supply equipment in the floor distribution box;

S5, if the operating environment data does not match the operating environment security data, it is determined that the operating environment is abnormal, and the source information of the corresponding abnormal position is searched according to step S2, and the management cloud platform 15 sends an alarm message to the source user terminal 22 of the position, and the area is responsible for Personnel rushed to the accident site for maintenance in time.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (8)

1. a kind of Electrical Safety hidden danger supervisory systems based on safe cloud platform, including high voltage supply case, low-voltage distribution cabinet and building Layer distribution box, which is characterized in that be installed with electric data in the high voltage supply case, low-voltage distribution cabinet and floor distribution box and adopt Collect terminal, electric data acquisition terminal is connected with management cloud platform (15), management cloud platform (15) and O&M server (21) It is connected, O&M server (21) is connected with user terminal (22).

2. the Electrical Safety hidden danger supervisory systems according to claim 1 based on safe cloud platform, which is characterized in that described Electric data acquisition terminal includes cabinet (5), and cabinet (5) two sides are fixedly connected with stringing box (4), cabinet (5) top and case Body (5) lower part is connected with fixed plate (1), and cabinet (5) is equipped with liquid crystal display (2) and buzzer (3), and cabinet (5) is interior Equipped with control panel, control panel is connected and is communicated with Power Quality Detection component and environmental monitoring component respectively by the communications cable Cable is matched with stringing box (4), and control panel is connected by wireless communication module with management cloud platform (15).

3. the Electrical Safety hidden danger supervisory systems according to claim 2 based on safe cloud platform, which is characterized in that described Power Quality Detection component include Hall voltage sensor (11), Hall current sensor (12), leakage current sensor (16) and The input terminal of first temperature sensor (18), Hall voltage sensor (11) is connected with the output end of three-phase leading-out terminal and Hall The output end of voltage sensor (11) is connected by the communications cable with control panel, the input terminal of Hall current sensor (12) with The output end of three-phase leading-out terminal is connected and the output end of Hall current sensor (12) is connected by the communications cable with control panel It connects, the input terminal of leakage current sensor (16) is connected with the output end of three-phase leading-out terminal and the output end of electricity leakage sensor (16) It is connected by the communications cable with control panel, the first temperature sensor (18) is set on three-phase leading-out terminal and the first temperature sensing Device (18) is connected by the communications cable with control panel.

4. the Electrical Safety hidden danger supervisory systems according to claim 2 based on safe cloud platform, which is characterized in that described Environmental monitoring component includes second temperature sensor (19) and smoke sensor device (13), and second temperature sensor (19) and smog pass Sensor (13) is connected with control panel.

5. the Electrical Safety hidden danger supervisory systems according to claim 2-4 any one based on safe cloud platform, special Sign is that the control panel includes battery, and battery is connected with MCU, MCU(17) it is connected with GPS positioning module (20), MCU(17) by A/D signal adapter respectively with the Hall voltage sensor (11) in Power Quality Detection component, Hall current Sensor (12), leakage current sensor (16) are connected with the first temperature sensor (18), MCU(17) it is converted by A/D signal Device respectively in environmental monitoring component second temperature sensor (19) and smoke sensor device (13) be connected, MCU(17) pass through Wireless communication module (14) is connected with management cloud platform (15).

6. the Electrical Safety hidden danger supervisory systems according to claim 2 based on safe cloud platform, which is characterized in that described Stringing box (4) is fixedly connected with cabinet (5) and stringing box (4) is connected with cabinet (5), and stringing box is reserved with several on (4) Threaded hole (6), threaded hole (6) match with jackscrew and are connected inside threaded hole (6) and stringing box (4), set in stringing box (4) There are several eyelet strips (8), form a threading groove between adjacent eyelet strip (8), the communications cable is worn in threading groove and adjacent wears Line plate (8) is connected by pressed seat (7), and pressed seat (7) both ends are movably arranged in two groups of eyelet strips (8) respectively and jackscrew is worn Threaded hole (6) is crossed to match with pressed seat (7) top.

7. the Electrical Safety hidden danger supervisory systems according to claim 1 based on safe cloud platform, which is characterized in that described User terminal (22) is smart phone or ipad.

8. the Electrical Safety hidden danger supervisory systems according to claim 1 based on safe cloud platform makees method, feature It is, comprising the following steps:

S1, the electricity for the electric data acquisition terminal monitoring installed in high voltage supply case, low-voltage distribution cabinet and floor distribution box respectively Destiny factually when be transmitted to management cloud platform (15)；

S2, management cloud platform (15) are classified as power quality data and running environment to the real-time electric data from different location Data, establish respectively power quality data and with position source relation mapping table, running environment data reflect with position source relationship Firing table；

The power quality secure data stored in power quality data and O&M server is then associated ratio respectively by S3 Right, running environment data are associated with comparison with the running environment secure data stored in O&M server (21)；

S4 determines electric energy matter if some power quality data and corresponding power quality secure data compare deviation greater than 10% Power quality data global alignment at remaining position is transferred in amount decline, management cloud platform (15), searches corresponding electricity according to step S2 Energy quality down position source-information, management cloud platform (15) send warning message to the position source user terminal (22)；

S5 determines running environment exception, according to step S2 if running environment data and running environment secure data mismatch Corresponding operation exception position source-information is searched, management cloud platform (15) sends alarm signal to the position source user terminal (22) Breath.