CN109004742A - Substation's condition monitoring system based on terminal control - Google Patents

Abstract

The invention proposes a kind of substation's condition monitoring system based on terminal control, it include: O&M main station system, acquisition system, control system, mobile terminal and intelligent management platform system, wherein, the acquisition system is connect with the O&M main station system, and the acquisition system for acquiring environmental data and electrical operation data inside substation in real time；Whether the O&M main station system meets preset condition for the received environmental data of real-time judge and electrical operation data, when meeting the preset condition, exports control instruction and warning information；The control system is connect with the O&M main station system, and the control system is used for the control instruction based on the received, the movement of collector and electrical equipment inside substation described in real-time control；The mobile terminal is connect with the acquisition system, control system respectively, and the mobile terminal is for receiving the environmental data and electrical operation data, and output mobile control instruction.

Description

Substation Condition Monitoring System Based on Terminal Control

technical field

The invention relates to the technical field of substation monitoring, in particular to a terminal control-based substation status monitoring system.

Background technique

At present, substations are affected by the indoor environment, causing all indoor equipment to be seriously polluted and damp, seriously reducing the insulation performance of equipment, causing partial discharge and flashover phenomena in substations, and even causing power outages. The high-voltage room of the substation usually has multiple ventilation openings, and the airtightness is poor. Outdoor dust and moisture can easily enter the high-voltage room and the switchgear, causing the insulation partitions and heat-shrinkable sheaths of the equipment to be damp and dirty, resulting in a decrease in insulation strength.

In the existing technology, it is impossible to monitor and control the high-voltage indoor environment information of the substation in real time. When the equipment and humidity in the high-pressure room are abnormal, the alarm information cannot be sent to the operation and maintenance personnel in time. At the same time, all substations are unattended substations, requiring operation and maintenance personnel to manually adjust the indoor environment control facilities such as fans, air conditioners, and dehumidifiers on site, so that the local environment of the substation is harsh, which in turn affects the safe operation of the substation.

Contents of the invention

In view of this, the present invention proposes a substation status monitoring system based on terminal control, aiming at solving the problem of low working efficiency when performing centralized monitoring and control on multiple substations.

In one aspect, the present invention proposes a substation status monitoring system based on terminal control, including: an operation and maintenance master station system, an acquisition system, a control system, a mobile terminal, and an intelligent management platform system, wherein the acquisition system and the operation The maintenance master station system is connected, and the acquisition system is used to collect the environmental data and electrical operation data inside the substation in real time; the operation and maintenance master station system is used to judge in real time whether the received environmental data and electrical operation data meet the preset requirements condition, when the preset condition is met, control instructions and alarm information are output; the control system is connected to the operation and maintenance master station system, and the control system is used to control the The action of the collector and electrical equipment inside the substation; the mobile terminal is connected to the acquisition system and the control system respectively, the mobile terminal is used to receive the environmental data and electrical operation data, and output mobile control instructions, through the The mobile control instructions are used to control the actions of the collectors and electrical equipment inside the substation; the intelligent management platform system is connected to at least two of the operation and maintenance master station systems, and the intelligent management platform is used to combine multiple operation The main station system is connected as a whole to monitor and manage multiple substations in a unified manner.

Further, the acquisition system and control system are connected to the collector and electrical equipment through a wired or wireless network; the acquisition system and control system are connected to the operation and maintenance master station system through a wired or wireless network.

Further, the acquisition system and control system are connected with the collector and electrical equipment through power carrier communication; the acquisition system and control system are connected with the operation and maintenance master station system through power carrier communication.

Further, the interior of the substation includes a high-voltage room and a switchgear, and the switchgear is arranged in the high-voltage room.

Further, the operation and maintenance master station system is connected to the indoor collector and indoor electrical equipment in the high-voltage chamber through the acquisition system; the operation and maintenance master station system is also connected to the indoor electrical equipment in the switch cabinet through the acquisition system The collector in the cabinet is connected to the electrical equipment in the cabinet.

Further, the collection system includes an indoor collection unit and an in-cabinet collection unit, the indoor collection unit is used to collect the environmental data in the high-voltage chamber and the operation data of electrical equipment, and the in-cabinet collection unit is used to collect the Environmental data in the switchgear and operating data of the electrical equipment.

Further, the control system includes an indoor control unit and a cabinet control unit, the indoor control unit is used to control the action of collectors and electrical equipment in the high-voltage room, and the cabinet control unit is used to control the switch The action of collectors and electrical equipment in the cabinet.

Further, the operation and maintenance master station system includes a display unit, and the display unit is used to display the alarm information.

Further, the operation and maintenance master station system includes an audible and visual alarm unit, and the audible and visual alarm unit is used to output sound and/or light beam alarm signals according to the alarm information.

Further, the collection system is connected to the display unit, and the display unit is used to display the data collected by the collection system in real time.

Compared with the prior art, the present invention has the beneficial effects of collecting environmental data information in the substation and information on the operating status of electrical equipment by setting up the acquisition system, and transmitting the collected data to the operation and maintenance master station system, through the operation and maintenance The master station system fuses the collected information and compares it with the preset conditions to determine whether the environment in the substation meets the conditions for safe operation, so as to uniformly control the electrical equipment in the substation, thereby greatly improving the environment in the substation. The cleanliness of the substation improves the operating life of the electrical equipment in the substation, reduces the occurrence of operational failures in the substation, and makes the operation of the substation safer and more reliable.

Furthermore, by setting up a mobile terminal and an intelligent management platform system to monitor and manage the collectors and electrical equipment in the substation in a unified manner, and adopting a centralized control method, the work efficiency is greatly improved.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiment. The drawings are only for the purpose of illustrating a preferred embodiment and are not to be considered as limiting the invention. Also throughout the drawings, the same reference numerals are used to designate the same parts. In the attached picture:

Fig. 1 is a first structural schematic diagram of a substation status monitoring system based on terminal control provided by an embodiment of the present invention;

FIG. 2 is a control logic diagram of a substation status monitoring system based on terminal control provided by an embodiment of the present invention;

FIG. 3 is a second structural schematic diagram of a substation status monitoring system based on terminal control provided by an embodiment of the present invention;

FIG. 4 is a schematic diagram of a third structure of a substation status monitoring system based on terminal control provided by an embodiment of the present invention;

FIG. 5 is a fourth structural schematic diagram of a substation status monitoring system based on terminal control provided by an embodiment of the present invention;

Fig. 6 is a schematic diagram of a fifth structure of a substation status monitoring system based on terminal control provided by an embodiment of the present invention.

Detailed ways

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

Referring to FIG. 1 , it is a schematic diagram of the first structure of a substation status monitoring system based on terminal control provided by an embodiment of the present invention. An embodiment of the present invention provides a substation status monitoring system based on terminal control, including: an operation and maintenance master station system 300, an acquisition system 100, and a control system 200, wherein the acquisition system 100 and the operation and maintenance master station system 300 connection, the collection system 100 is used to collect the environmental data and electrical operation data inside the substation in real time; the operation and maintenance master station system 300 is used to judge in real time whether the received environmental data and electrical operation data meet the preset conditions, When the preset condition is satisfied, control instructions and alarm information are output; the control system 200 is connected to the operation and maintenance master station system 300, and the control system 200 is used to control all stations in real time according to the received control instructions. Describe the actions of collectors and electrical equipment inside the substation.

Specifically, the acquisition system 100, control system 200 and the collector and electrical equipment are connected through a wired or wireless network; the acquisition system 100, the control system 200 and the operation and maintenance master station system 300 are connected through a wired or wireless network Internet connection. By setting the way of network connection, the efficiency of data transmission between systems is greatly improved, and the transmission speed and distance of data transmission between systems are faster and the transmission distance is longer. Alternatively, the acquisition system 100, the control system 200 are connected with the collector and the electrical equipment through power carrier communication; way to connect. By setting the data transmission mode of the power carrier, the existing power line can be used for data transmission, remember to save the cost of setting up other network lines, thereby saving costs and the time required to build network lines.

Specifically, the inside of the substation includes a high-voltage room and a switchgear, and the switchgear is arranged in the high-voltage room. The operation and maintenance master station system 300 is connected to the indoor collector and indoor electrical equipment in the high-voltage chamber through the acquisition system 100; The collector in the cabinet is connected to the electrical equipment in the cabinet. The collection system 100 includes an indoor collection unit 101 and an in-cabinet collection unit 102, the indoor collection unit 101 is used to collect the environmental data in the high-voltage chamber and the operating data of electrical equipment, and the cabinet collection unit 102 is used to collect Environmental data in the switch cabinet and operating data of electrical equipment. The control system 200 includes an indoor control unit 201 and an in-cabinet control unit 202. The indoor control unit 201 is used to control the actions of collectors and electrical equipment in the high-voltage chamber, and the in-cabinet control unit 202 is used to control all Describe the actions of collectors and electrical equipment in the switch cabinet.

Specifically, the operation and maintenance master station system 300 includes a display unit 301, and the display unit 301 is used to display the alarm information. The operation and maintenance master station system 300 includes an audible and visual alarm unit 302, and the audible and visual alarm unit 302 is configured to output a sound and/or a light beam alarm signal according to the alarm information. The collection system 100 is connected to the display unit 301, and the display unit 301 is used to display the data collected by the collection system 100 in real time.

It can be understood that by setting the collection system 100 to collect environmental data information in the substation and information on the operating status of electrical equipment, and transmit the collected data to the operation and maintenance master station system 300, the collected operation and maintenance master station system 300 will After the information is fused and compared with the preset conditions, it is judged whether the environment in the substation meets the conditions for safe operation, so as to uniformly control the electrical equipment in the substation, thereby greatly improving the cleanliness of the environment in the substation, thereby improving The operating life of the electrical equipment in the substation is improved, the occurrence of operational failures in the substation is reduced, and the operation of the substation is safer and more reliable.

Specifically, the above-mentioned high-voltage indoor electrical equipment includes at least: air conditioners, fans, electric shutters, environmental dehumidifiers, and the like. The above-mentioned high-voltage indoor collector includes at least: dust sensor, smoke sensor, water immersion sensor, temperature and humidity sensor, universal remote control, gas sensor, controller, access control of the transformer room, etc., wherein the above-mentioned sensor can collect indoor dust (for example: PM2 .5, PM10, dust, etc.), smog, water immersion, temperature and humidity and other information; at the same time, the universal remote control is used to control the opening and closing of the indoor air conditioner, and the universal remote control can also display the operating status information of the air conditioner. The indoor acquisition unit 101 is connected to obtain the operating state information data of the air conditioner; the controller is connected to the indoor fan and the electric shutter, and the operating state information of the fan and the electric shutter can be obtained through the opening and closing state of the controller; the indoor acquisition unit 101 and the environment The dehumidifier is connected to obtain the operating status of the environmental dehumidifier in real time; the indoor acquisition unit 101 is connected to the access control in the transformer room to obtain the opening and closing of the access control, so as to obtain whether someone enters or exits the high-pressure room. The indoor collection unit 101 is also connected with a partial discharge tester and an online electrification detection device.

Specifically, the electrical equipment in the cabinet includes at least: dehumidifiers, air circulation devices, heaters, instruments and meters, etc. The collector in the cabinet at least includes: a temperature sensor, a humidity sensor, and the like. But when the humidity in the switchgear is too high, turn on the heater to dehumidify; or, when the temperature is too high, turn on the air circulation device to ventilate and cool down; instruments and meters are used to detect the operating status of the corresponding electrical equipment.

The above-mentioned sensors can obtain information such as temperature, humidity, dust, gas, etc. in the high-voltage room of the substation and in the switch cabinet, and upload the acquired information to the operation and maintenance host system. After displaying and processing through the operation and maintenance host system, output the corresponding The control commands are sent to the control system 200, and the control system 200 controls the opening and closing of air conditioners, dehumidifiers, fans, and electric shutters to improve the environment in the high-voltage room of the substation and the switchgear.

It can be understood that the above-mentioned high-voltage room and switch cabinet are only illustrative, and can also be used in the control cabinet, terminal box, maintenance power box, switch cabinet room, transformer room, reactive power compensation room, combined electrical room, In the main control room, etc., set corresponding acquisition and control units to control the internal environment.

Specifically, the above-mentioned network connection methods may be one or a combination of GPRS, Ethernet, WIFI, RS485, and the like.

Specifically, the display unit 301 can display the alarm information output by the operation and maintenance master station. When the control system 200 fails or cannot operate normally, the operation and maintenance personnel will be notified of the abnormal situation in the substation in time, so that the operation and maintenance personnel can go to the substation in time. Manually control fans, air conditioners, dehumidifiers, electric shutters, various electrical equipment, etc., to deal with abnormal situations in a timely manner.

Specifically, the above preset conditions include: the temperature threshold, humidity threshold, gas content threshold, dust content threshold in the high-voltage room and switch cabinet, and whether the operating status of each electrical equipment meets the normal operation requirements, etc., when one of the above-mentioned When one item or multiple conditions are met at the same time, the operation and maintenance master station system 300 will make a corresponding response immediately to ensure the safe operation of the substation. For example: when the temperature in the high-voltage room and switch cabinet exceeds 35°C, or the humidity is greater than 60% RH, PM2.5 is greater than 120ppm, etc., the operation and maintenance master station system 300 will respond immediately.

Specifically, the above-mentioned substation status monitoring system based on terminal control also includes an outdoor collection unit for collecting information such as temperature, humidity, and dust conditions outside the high-voltage chamber. The operation and maintenance master station system 300 also compares the received indoor and outdoor data. When the indoor environment is better than the outdoor environment, the ventilation equipment is turned off to make the high-pressure room airtight; when the outdoor environment is better than the indoor When the environmental conditions are low, the ventilation equipment is turned on to improve the indoor environmental conditions, thereby reducing the use of energy-consuming equipment such as air conditioners, and greatly saving energy.

Referring to FIG. 2 , it is a control logic schematic diagram of a substation status monitoring system based on terminal control provided by an embodiment of the present invention. The control logic of the above substation status monitoring system based on terminal control is as follows: when the control starts, it first checks whether the management and control system is normal. One-step judgment: judge whether the indoor temperature is less than 35°C, if it is not lower than 35°C, judge whether the indoor temperature is greater than 35°C, if it is greater than 35°C, close the shutters, fans, and turn on the air conditioner to cool down, if it is not greater than 35°C, judge whether the outdoor temperature is higher than 35°C. Whether the humidity is greater than 60% RH, if it is greater than 60% RH, close the shutters and fans, and turn on the air conditioner to cool down; if it is not greater than 60% RH, open the shutters, fans, and turn off the air conditioner for ventilation; when the indoor temperature is less than 35°C, judge Whether the indoor humidity is less than 60% RH, if the indoor humidity is less than 60% RH, then open the blinds, turn off the fan and air conditioner, if the indoor humidity is not less than 60% RH, then compare the indoor and outdoor humidity difference, when the indoor and outdoor humidity difference When the value is less than 20%, close the shutters and fans, and turn on the air conditioner to cool down. If the indoor and outdoor humidity difference is not less than 20%, turn on the shutters, fans, and turn off the air conditioner to cool down. The above control logic is only an exemplary description, not a specific limitation to the present invention.

Referring to FIG. 3 , it is a second structural schematic diagram of a substation status monitoring system based on terminal control provided by an embodiment of the present invention. In another possible implementation based on the above-mentioned embodiment, the difference from the above-mentioned embodiment is that in this embodiment, the substation status monitoring system based on terminal control also includes an intelligent management platform system 400, an intelligent management platform The system 400 is connected to at least two of the operation and maintenance master station systems 300, and the intelligent management platform is used to connect a plurality of the operation and maintenance master station systems 300 into one, so as to monitor and manage multiple substations in a unified manner.

Specifically, each substation is equipped with an operation and maintenance host system, which connects multiple operation and maintenance host systems with the intelligent management platform system 400, and then monitors and manages multiple substations through the intelligent management platform system 400. Specifically, the intelligent management platform system 400 is connected to the operation and maintenance host system through a wired or wireless network for data interaction, and data transmission can also be performed through a power carrier to reduce the erection cost of other network connection methods and save costs. .

It can be understood that by setting the intelligent management platform system 400, the operation and maintenance host systems in multiple substations are connected, so that the multiple operation and maintenance host systems are connected as one, and the monitoring data of multiple substations are uploaded to the intelligent management platform The system 400 performs unified processing, thereby realizing unified monitoring and management of multiple substations, improving the monitoring and management efficiency of substations, and at the same time greatly reducing the personnel input of multiple substations, saving manpower resources and cost.

Referring to FIG. 4 , it is a third schematic structural diagram of a substation status monitoring system based on terminal control provided by an embodiment of the present invention. Based on the above embodiment, different from the above embodiment, in this embodiment, the substation intelligent monitoring control terminal also includes a mobile terminal 500, and the mobile terminal 500 is connected to the acquisition system 100 and the control system 200 respectively, The mobile terminal 500 is used to receive the environmental data and electrical operation data, and output movement control instructions, through which the actions of collectors and electrical equipment inside the substation are controlled.

Specifically, the mobile terminal 500 has a built-in corresponding application program, through which environmental data and electrical operation data are displayed, and at the same time, mobile control instructions are input to control collectors and electrical equipment inside the substation. The mobile terminal 500 communicates with the acquisition system 100 and the control system 200 through a wireless network. Specifically, the mobile terminal 500 includes portable terminal devices such as mobile phones, notebook computers, and tablet computers.

In another possible implementation manner, the mobile terminal 500 is connected to the operation and maintenance master station system 300 for data interaction. Specifically, the mobile terminal 500 obtains environmental data and electrical operation data from the operation and maintenance master station system 300, generates movement control instructions, outputs the movement control instructions to the operation and maintenance host system, and transmits the movement control instructions through the operation and maintenance host system. to the control system 200 to control the collectors and electrical equipment in the substation.

It can be understood that by connecting the mobile terminal 500 to the acquisition system 100 and the control system 200, the collectors and electrical equipment in the substation can be monitored and controlled through the mobile terminal 500, and the situation in the substation can be viewed through the mobile terminal 500 anytime and anywhere. This greatly improves the work efficiency of operation and maintenance personnel.

Refer to FIG. 5 , which is a fourth structural schematic diagram of the substation status monitoring system based on terminal control provided by the embodiment of the present invention. Based on the above-mentioned embodiments, in this embodiment, the substation status monitoring system based on terminal control includes: an operation and maintenance master station system 300, an acquisition system 100, a control system 200, a mobile terminal 500, and an intelligent management platform system 400. The mobile terminal 500 It is set in this system at the same time as the intelligent management platform system 400 to monitor and control the substation.

Specifically, the mobile terminal 500 can also communicate with the intelligent management platform for data interaction, and monitor and control multiple substations through the mobile terminal 500 .

It can be understood that, by setting up the mobile terminal 500 and the intelligent management platform system 400 to monitor and manage the collectors and electrical equipment in the substation in a unified way, the work efficiency is greatly improved by adopting a centralized control method.

Referring to FIG. 6 , it is a fifth structural schematic diagram of a substation status monitoring system based on terminal control provided by an embodiment of the present invention. Based on the above facts, in this embodiment, the above substation indoor environment monitoring system includes: operation and maintenance master station system 300, acquisition system 100, control system 200 and outdoor acquisition system 600,

Wherein, the outdoor acquisition system 600 is connected to the operation and maintenance master station system 300, and the outdoor acquisition system 600 is used for real-time acquisition of off-site environmental data outside the substation; the operation and maintenance master station system 300 is used for real-time judgment Whether the received environmental data, external environmental data and electrical operation data meet a preset condition, and output control instructions and alarm information when the preset condition is met.

Specifically, by collecting the internal and external environmental data of the substation at the same time, comparing the internal and external environmental data, judging whether the two meet the preset conditions, and further controlling the electrical equipment. But when it is detected that the indoor temperature and humidity are higher than the outdoor, the ventilation equipment will be used to ventilate the inside and outside of the substation, which can improve the internal environment, save the cost of turning on the air conditioner and dehumidifier, and save energy.

It can be understood that by setting the outdoor acquisition system 600, the environmental data outside the substation is collected, the internal and external environmental data of the substation are matched, and whether the environmental data meets the preset conditions is judged to detect and monitor the environment inside the substation. The control of electrical equipment has greatly improved the cleanliness in the substation, thereby ensuring the safe operation of the substation.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.

Claims (10)

1. A substation status monitoring system based on terminal control, characterized in that it comprises: an operation and maintenance master station system, an acquisition system, a control system, a mobile terminal and an intelligent management platform system, wherein, The collection system is connected to the operation and maintenance master station system, and the collection system is used for real-time collection of environmental data and electrical operation data inside the substation; The operation and maintenance master station system is used to judge in real time whether the received environmental data and electrical operation data meet preset conditions, and output control instructions and alarm information when the preset conditions are met; The control system is connected to the operation and maintenance master station system, and the control system is used to control the actions of the collectors and electrical equipment inside the substation in real time according to the received control instructions; The mobile terminal is respectively connected with the acquisition system and the control system, the mobile terminal is used to receive the environmental data and electrical operation data, and output a movement control command, through which the movement control command is used to control the Actions of collectors and electrical equipment; The intelligent management platform system is connected to at least two of the operation and maintenance master station systems, and the intelligent management platform is used to connect a plurality of the operation and maintenance master station systems into one, so as to monitor and manage multiple substations in a unified manner. 2. the substation state monitoring system based on terminal control according to claim 1, is characterized in that, The acquisition system, the control system are connected to the collector and electrical equipment through a wired or wireless network; The acquisition system, the control system and the operation and maintenance master station system are connected through a wired or wireless network. 3. The substation status monitoring system based on terminal control according to claim 2, characterized in that, The acquisition system, the control system are connected with the collector and electrical equipment through power carrier communication; The acquisition system, the control system and the operation and maintenance master station system are connected through power carrier communication. 4. The substation status monitoring system based on terminal control according to any one of claims 1-3, characterized in that, the inside of the substation includes a high-voltage room and a switchgear, and the switchgear is arranged in the high-voltage room. 5. the substation state monitoring system based on terminal control according to claim 4, is characterized in that, The operation and maintenance master station system is connected to the indoor collector and indoor electrical equipment in the high-pressure chamber through the acquisition system; The operation and maintenance master station system is also connected to the in-cabinet collector and in-cabinet electrical equipment in the switch cabinet through the collection system. 6. The substation status monitoring system based on terminal control according to claim 5, characterized in that, The collection system includes an indoor collection unit and an in-cabinet collection unit, the indoor collection unit is used to collect environmental data in the high-voltage chamber and operating data of electrical equipment, and the in-cabinet collection unit is used to collect data in the switch cabinet Environmental data and operating data of electrical equipment. 7. The substation status monitoring system based on terminal control according to claim 5, characterized in that, The control system includes an indoor control unit and an in-cabinet control unit, the indoor control unit is used to control the action of collectors and electrical equipment in the high-voltage chamber, and the in-cabinet control unit is used to control the Actions of collectors and electrical equipment. 8 . The substation status monitoring system based on terminal control according to claim 1 , wherein the operation and maintenance master station system includes a display unit for displaying the alarm information. 9. The substation state monitoring system based on terminal control according to claim 1, wherein the operation and maintenance master station system includes an audible and visual alarm unit, and the audible and visual alarm unit is used to output Sound and/or light alarm signal. 10. The substation status monitoring system based on terminal control according to claim 8, wherein the acquisition system is connected to the display unit, and the display unit is used to display the data collected by the acquisition system in real time.