CN111999676A - Electric leakage fault remote alarm system for transformer substation - Google Patents
Electric leakage fault remote alarm system for transformer substation Download PDFInfo
- Publication number
- CN111999676A CN111999676A CN202010916018.1A CN202010916018A CN111999676A CN 111999676 A CN111999676 A CN 111999676A CN 202010916018 A CN202010916018 A CN 202010916018A CN 111999676 A CN111999676 A CN 111999676A
- Authority
- CN
- China
- Prior art keywords
- alarm
- electric leakage
- remote
- control cabinet
- remote monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012544 monitoring process Methods 0.000 claims abstract description 102
- 238000004891 communication Methods 0.000 claims abstract description 12
- 230000003993 interaction Effects 0.000 claims abstract description 4
- 230000003111 delayed effect Effects 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 6
- 230000030279 gene silencing Effects 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to a remote leakage fault alarm system for a transformer substation, which is characterized in that: the leakage alarm network system is divided into three layers of remote monitoring modules, a control cabinet and a central monitoring host from bottom to top, wherein each remote monitoring module comprises a central processing unit, a man-machine interaction unit, a storage unit, a communication unit, a leakage sensor, a temperature sensor, a handheld programmer interface and the like, and the monitoring function of the control cabinet specifically comprises user login, cabinet parameter setting and configuration, node control, node operation state display and alarm, and operation information statistics and query.
Description
Technical Field
The invention relates to the field of substation alarming, in particular to a remote alarming system for power utilization leakage faults of a substation.
Background
In order to transmit electric energy generated by a power plant to a remote place, the voltage of a transformer substation needs to be increased to be high-voltage, the voltage is reduced as required near a user, and the voltage increasing and reducing work is completed by the transformer substation. The main equipment of a substation are switches and transformers. The small transformer substations are called as transformer substations according to different sizes. The transformer substation is larger than the substation. The transformer substation refers to a step-down transformer substation with the voltage grade below 110 kV; the transformer substation is an electric power facility for transforming voltage, receiving and distributing electric energy, controlling the flow direction of electric power and adjusting voltage in an electric power system, and is used for connecting power grids of all levels of voltage through transformers of the transformer substation.
The existing insulation performance of cables and electric equipment is reduced due to the aging of internal lines of a transformer substation and the influence of the environment, electric leakage is easy to generate, personal casualties caused by electric leakage due to negligence of people to safety protection, equipment damage and fire accidents happen occasionally, the electric leakage alarm appearing on the market in recent years can make sound when electric leakage occurs, light alarm but the electric leakage alarm mostly has no network function and can not be monitored in a centralized way, the electric leakage place can not be rapidly positioned when the electric leakage accident occurs in management, and the alarm is difficult to find in time when the electric leakage accident occurs.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a remote leakage fault alarm system for a transformer substation.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a remote electric leakage fault alarm system for a transformer substation comprises an electric leakage alarm network system, a central monitoring host and a control cabinet, wherein the electric leakage alarm network system is divided into three layers of remote monitoring modules from bottom to top;
the remote monitoring module is structurally composed of a central processing unit, a man-machine interaction unit, a storage unit, a communication unit, a leakage sensor, a temperature sensor, a handheld programmer interface and the like;
the monitoring function of the control cabinet specifically comprises user login, cabinet parameter setting and configuration, node control, node operation state display and alarm, operation information statistics and query and the like;
the central monitoring host is mainly responsible for the management of the whole network system and communicates with each control cabinet machine through a CAN bus so as to realize the monitoring of each control cabinet machine and a remote monitoring module, the central monitoring host uses an industrial PC and adopts a double-display structure, each display displays different information to enlarge the display content, and one display displays the state of each node in the system and the other displays the geographical position of a certain node by using an electronic map during daily work;
preferably, the central monitoring host monitors 32 control cabinets and remote monitoring modules connected below the control cabinets, any control cabinet alarm or fault in the system can cause the central monitoring host to alarm, and in addition, the central monitoring host modem uploads the information of the system to a higher-level safety management system.
Preferably, the remote monitoring module can realize functions of leakage and temperature monitoring processing, bus communication, module operation parameter setting and the like, the threshold range of leakage actions is set to be 300-1000mA intervals and is 100mA by the action threshold value of leakage and temperature monitoring, when the leakage current is greater than or equal to 80% of the set threshold value or the cable temperature exceeds the alarm upper limit, the module carries out sound-light alarm through the LED indicator lamp and the buzzer, different alarm indicator lamps and alarm sounds are corresponding to different faults, the sound alarm can be stopped by pressing the silencing key after the alarm, and if the leakage value or the temperature value is still above the threshold value after the silencing, the light alarm is still kept.
Preferably, the remote monitoring module has three power-off modes including an immediate power-off mode, a delayed power-off mode and a manual power-off mode, wherein the immediate power-off mode is the most common response mode of the common leakage alarm, and the delayed power-off mode is a special function of the system, so that the system is suitable for important equipment which is not allowed to be powered off immediately or working occasions and needs delayed power-off, the time delay time required to be powered off in a delayed power-off mode can be adjusted to 5min within 0-60min, and the power-off mode can be cancelled manually in more important application occasions such as rescue, danger avoidance and the like after fault removal.
Preferably, the control cabinet and the monitored nodes thereof configure the serial number, the geographical position, the activation state and the like of the remote monitoring module, and the control cabinet only monitors the remote monitoring module in the activated state. The control cabinet machine can complete all control functions which can be completed by the remote monitoring module except the power-off cancellation function, and the power-off cancellation function can only be realized in the on-site monitoring module
This is for safety reasons. The remote module of the control cabinet polling its control receives the alarm information of the remote monitoring module and then carries on the pronunciation and LCD light alarm and displays the specific electric leakage place, electric leakage time and the basic situation of the electric leakage place on the LCD in the form of characters and icons, meanwhile these information are also printed out by the mini printer of the control cabinet and left as the backup.
Preferably, the control cabinet is communicated with the remote monitoring module through a CAN bus and is communicated with the central monitoring host through another CAN bus interface, every control cabinet monitors 64 remote monitoring modules, the state of the remote monitoring modules is monitored in real time, any remote monitoring module detects electric leakage or the control cabinet gives an alarm when a fault occurs, and the uppermost layer of the system is the central monitoring host which is internally provided with a CAN-PC bus communication card and is in communication connection with the control cabinet through the CAN bus.
Preferably, the monitoring software of the central host is compiled and displayed visually by using the visual basic6.0, the operation is convenient, the functions of user login, system configuration, system parameter setting, monitoring node state display, inquiry of an administrator and an operator and the like can be realized, and the central monitoring host can perform sound-light alarm according to information transmitted by the control cabinet and the remote monitoring module and can also vividly display detailed geographic information of an alarm point through a geographic information interface so that a worker can quickly arrive at an alarm site for processing.
Has the advantages that:
when electric leakage alarm or equipment failure occurs, the information of the electric leakage alarm can be transmitted to the control cabinet machine and the central monitoring host network monitoring center through the field bus, and the electric leakage and failure positions can be quickly positioned and processed in time.
Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic diagram of a remote monitoring module hardware configuration according to the present invention;
FIG. 3 is a schematic diagram of a hardware configuration of a control cabinet according to the present invention;
FIG. 4 is an electronic monitoring diagram of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, the invention relates to a remote leakage fault alarm system for a transformer substation, which comprises a leakage alarm network system, a central monitoring host and a control cabinet, wherein the leakage alarm network system is divided into three layers of remote monitoring modules from bottom to top;
the remote monitoring module is structurally composed of a central processing unit, a man-machine interaction unit, a storage unit, a communication unit, a leakage sensor, a temperature sensor, a handheld programmer interface and the like;
the monitoring function of the control cabinet specifically comprises user login, cabinet parameter setting and configuration, node control, node operation state display and alarm, operation information statistics and query and the like;
the central monitoring host is mainly responsible for the management of the whole network system and communicates with each control cabinet machine through a CAN bus so as to realize the monitoring of each control cabinet machine and a remote monitoring module, the central monitoring host uses an industrial PC and adopts a double-display structure, each display displays different information to enlarge the display content, and one display displays the state of each node in the system and the other displays the geographical position of a certain node by using an electronic map during daily work;
wherein, the central monitoring host monitors 32 control cabinets and the remote monitoring module connected below the control cabinets, any control cabinet in the system gives an alarm to the central monitoring host, in addition, the central monitoring host modem uploads the information of the system to a higher-level safety management system, the remote monitoring module can realize the functions of electric leakage and temperature monitoring processing, bus communication, module operation parameter setting and the like, the action threshold value of the electric leakage and temperature monitoring sets the threshold value range of the electric leakage action to be 300-1000mA interval to be 100mA, when the electric leakage current is more than or equal to 80 percent of the set threshold value or the cable temperature exceeds the alarm upper limit, the module carries out sound-light alarm through an LED indicator lamp and a buzzer, different alarm indicator lamps and alarm sounds corresponding to different faults are carried out, the sound alarm can be stopped by pressing a silencing key after the alarm, if the electric leakage value or the temperature value is still above the threshold value after the silencing, the light alarm is still kept, the remote monitoring module has three power-off function power-off modes including immediate power-off, delayed power-off and manual power-off, wherein the immediate power-off is the most common response mode of a common leakage alarm, and the delayed power-off is the specific function of the system, so that the delay time of some important equipment or working occasions which are not allowed to be immediately powered off and need delayed power-off can be adjusted to 5min within 0-60min, and the power-off can only be manually powered off in some more important application occasions such as rescue, danger avoidance and the like, the power-off can be cancelled in a manual mode after the fault is eliminated, the cabinet controller and the monitored nodes of the cabinet controller configure and the monitored nodes of the cabinet controller, and the remote monitoring module controls the cabinet controller to monitor the remote monitoring module in the activated state only. The control cabinet machine can complete all control functions which can be completed by the remote monitoring module except the power-off cancellation function, and the power-off cancellation function can only be realized in the on-site monitoring module
This is for safety reasons. The remote module of the control cabinet polling its monitoring receives the alarm information of the remote monitoring module and then carries on the voice and LCD light alarm and displays the specific leakage place, leakage time and the basic situation of the leakage place on the LCD in the form of characters and icons, at the same time, these information are printed out by the mini printer of the control cabinet and left as backup, the control cabinet communicates with the remote monitoring module through CAN bus and communicates with the central monitoring host through another CAN bus interface, each control cabinet monitors 64 remote monitoring modules, monitors the state of the remote monitoring module in real time, any remote monitoring module detects the leakage or the fault control cabinet alarm, the top layer of the system is the central monitoring host which has a CAN-PC bus communication card, communicates with the control cabinet through CAN bus, the monitoring software of the central host uses visualbasic6.0 to compile and display visual display, The central monitoring host can perform sound-light alarm according to the information transmitted by the control cabinet and the remote monitoring module, and can also vividly display the detailed geographic information of the alarm point through a geographic information interface so that the working personnel can quickly arrive at the alarm site for processing.
One specific application of this embodiment is: the electric leakage alarm system adopts a plurality of technologies such as a sensor, a singlechip, an electronic map and the like and realizes the networking of the electric leakage alarm through a CAN bus. When the remote monitoring module breaks down or the monitoring part of the remote monitoring module leaks electricity and gives an alarm, the control cabinet machine and the central monitoring host can quickly position the position of the module, the maintainability of the system is enhanced, the alarm response time is shortened, other accidents can be alarmed by changing the sensor system, and the running condition for a period of time shows that the system has good performances of flexible configuration, convenient use and the like and can be popularized and applied in coal mine safety, industrial fields and building monitoring systems.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments have not been described in detail to avoid obscuring the description of the invention in its specific form, and it is to be understood that many modifications and variations are possible in light of the teaching of this specification. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a transformer substation is with electric leakage fault remote alarm system which characterized in that: the system comprises a leakage alarm network system which is divided into three layers of remote monitoring modules, a control cabinet machine and a central monitoring host from bottom to top;
the remote monitoring module is structurally composed of a central processing unit, a man-machine interaction unit, a storage unit, a communication unit, a leakage sensor, a temperature sensor, a handheld programmer interface and the like;
the monitoring function of the control cabinet specifically comprises user login, cabinet parameter setting and configuration, node control, node operation state display and alarm, operation information statistics and query and the like;
the central monitoring host is mainly responsible for the management of the whole network system and communicates with each control cabinet machine through a CAN bus so as to realize the monitoring of each control cabinet machine and a remote monitoring module, the central monitoring host uses an industrial PC and adopts a double-display structure, each display displays different information to enlarge the display content, and one display displays the state of each node in the system and the other displays the geographical position of a certain node by using an electronic map during daily work.
2. The remote alarm system for the electric leakage fault for the transformer substation according to claim 1, characterized in that: the central monitoring host monitors 32 control cabinets and remote monitoring modules connected below the control cabinets, any control cabinet in the system alarms or fails to cause the central monitoring host to alarm, and in addition, the central monitoring host modem uploads the information of the system to a higher-level safety management system.
3. The remote alarm system for the electric leakage fault for the transformer substation according to claim 1, characterized in that: the remote monitoring module can realize functions of electric leakage and temperature monitoring processing, bus communication, module operation parameter setting and the like, the threshold range of electric leakage action is set to be 300-1000mA at intervals of 100mA by the action threshold value of electric leakage and temperature monitoring, when the electric leakage current is more than or equal to 80% of the set threshold value or the temperature of the cable exceeds the alarm upper limit, the module carries out sound-light alarm through the LED indicator lamp and the buzzer, different alarm indicator lamps and alarm sounds corresponding to different faults are carried out, the sound alarm can be stopped by pressing the silencing key after the alarm, and if the electric leakage value or the temperature value is still above the threshold value after the silencing, the light alarm is still kept.
4. The remote alarm system for the electric leakage fault for the transformer substation according to claim 1, characterized in that: the remote monitoring module has three power-off modes including immediate power-off, delayed power-off and manual power-off, wherein the immediate power-off is the most common response mode of the common leakage alarm, and the delayed power-off is the special function of the system, so that the delay time of needing delayed power-off in important equipment or working occasions which are not allowed to be immediately powered off can be adjusted to 5min within 0-60min, and the power-off can be cancelled manually and manually in more important application occasions such as rescue, danger avoidance and the like.
5. The remote alarm system for the electric leakage fault for the transformer substation according to claim 1, characterized in that: the control cabinet and the monitored nodes thereof configure the serial number, the geographical position, the activation state and the like of the remote monitoring module, and the control cabinet only monitors the remote monitoring module in the activated state. The reason for safety is that the control cabinet can complete all the control functions which can be completed by the remote monitoring module except the power-off cancellation function, and the power-off cancellation function can only be realized in the monitoring module on site. The remote module of the control cabinet polling its control receives the alarm information of the remote monitoring module and then carries on the pronunciation and LCD light alarm and displays the specific electric leakage place, electric leakage time and the basic situation of the electric leakage place on the LCD in the form of characters and icons, meanwhile these information are also printed out by the mini printer of the control cabinet and left as the backup.
6. The remote alarm system for the electric leakage fault for the transformer substation according to claim 1, characterized in that: the control cabinet machine is communicated with the remote monitoring module through a CAN bus and is communicated with the central monitoring host machine through another CAN bus interface, each control cabinet machine monitors 64 remote monitoring modules, the state of the remote monitoring modules is monitored in real time, any remote monitoring module detects electric leakage or fails to control the cabinet machine to give an alarm, and the uppermost layer of the system is the central monitoring host machine which is internally provided with a CAN-PC bus communication card and is in communication connection with the control cabinet machine through the CAN bus.
7. The remote alarm system for the electric leakage fault for the transformer substation according to claim 1, characterized in that: the monitoring software of the central host is compiled and displayed visually by visual basic6.0, is convenient to operate, and can realize functions of user login, system configuration, system parameter setting, monitoring node state display, administrator and operator inquiry and the like, and the central monitoring host can perform sound-light alarm according to information transmitted by the control cabinet and the remote monitoring module and can also vividly display detailed geographic information of an alarm point through a geographic information interface so that a worker can quickly arrive at an alarm site for processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010916018.1A CN111999676A (en) | 2020-09-03 | 2020-09-03 | Electric leakage fault remote alarm system for transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010916018.1A CN111999676A (en) | 2020-09-03 | 2020-09-03 | Electric leakage fault remote alarm system for transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111999676A true CN111999676A (en) | 2020-11-27 |
Family
ID=73466201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010916018.1A Pending CN111999676A (en) | 2020-09-03 | 2020-09-03 | Electric leakage fault remote alarm system for transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111999676A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113037842A (en) * | 2021-03-09 | 2021-06-25 | 国网山东省电力公司庆云县供电公司 | Remote maintenance system of substation automation system |
| CN113465685A (en) * | 2021-08-24 | 2021-10-01 | 襄阳尚能电气有限公司 | Automatic detection system for industrial electric furnace |
| CN117806290A (en) * | 2024-03-01 | 2024-04-02 | 矿冶科技集团有限公司 | Industrial fault alarm system, method, computer equipment and readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2938520Y (en) * | 2006-08-02 | 2007-08-22 | 陈宏跃 | Electric fire network monitor |
| CN201134154Y (en) * | 2007-11-30 | 2008-10-15 | 上海电瓷厂 | On-line monitoring system of leakage current of zinc oxide lightning arrester of high-voltage grid system |
| JP2009298220A (en) * | 2008-06-11 | 2009-12-24 | Denso Corp | System and method for detecting electric leak |
| CN204216675U (en) * | 2014-11-27 | 2015-03-18 | 江苏联固电气有限公司 | Based on power distribution cabinet electric leakage monitoring and the guard system of CAN formula |
| CN207799853U (en) * | 2017-12-29 | 2018-08-31 | 施耐德万高（天津）电气设备有限公司 | A kind of electric fire monitoring system |
-
2020
- 2020-09-03 CN CN202010916018.1A patent/CN111999676A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2938520Y (en) * | 2006-08-02 | 2007-08-22 | 陈宏跃 | Electric fire network monitor |
| CN201134154Y (en) * | 2007-11-30 | 2008-10-15 | 上海电瓷厂 | On-line monitoring system of leakage current of zinc oxide lightning arrester of high-voltage grid system |
| JP2009298220A (en) * | 2008-06-11 | 2009-12-24 | Denso Corp | System and method for detecting electric leak |
| CN204216675U (en) * | 2014-11-27 | 2015-03-18 | 江苏联固电气有限公司 | Based on power distribution cabinet electric leakage monitoring and the guard system of CAN formula |
| CN207799853U (en) * | 2017-12-29 | 2018-08-31 | 施耐德万高（天津）电气设备有限公司 | A kind of electric fire monitoring system |
Non-Patent Citations (1)
| Title |
|---|
| 夏继强等: "基于CAN的漏电报警网络系统", 《工矿自动化》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113037842A (en) * | 2021-03-09 | 2021-06-25 | 国网山东省电力公司庆云县供电公司 | Remote maintenance system of substation automation system |
| CN113037842B (en) * | 2021-03-09 | 2022-11-01 | 国网山东省电力公司庆云县供电公司 | Remote maintenance system of substation automation system |
| CN113465685A (en) * | 2021-08-24 | 2021-10-01 | 襄阳尚能电气有限公司 | Automatic detection system for industrial electric furnace |
| CN117806290A (en) * | 2024-03-01 | 2024-04-02 | 矿冶科技集团有限公司 | Industrial fault alarm system, method, computer equipment and readable storage medium |
| CN117806290B (en) * | 2024-03-01 | 2024-05-31 | 矿冶科技集团有限公司 | Industrial fault alarm system, method, computer equipment and readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111999676A (en) | Electric leakage fault remote alarm system for transformer substation | |
| CN203415882U (en) | Box type transformer station | |
| CN2772098Y (en) | Electric safety monitoring system | |
| CN110620434A (en) | Block terminal based on intelligent monitoring | |
| CN103885410A (en) | Power monitoring system for firefighting device | |
| CN106249039A (en) | A kind of on-line overvoltage monitor for power distribution network | |
| CN203984351U (en) | A kind of photovoltaic active safety system | |
| CN113426057A (en) | Intelligent fire-fighting Internet of things management system | |
| CN211236628U (en) | Three-phase safety power utilization intelligent monitoring equipment system | |
| CN203423539U (en) | Low-voltage power grid load and leak current integrated monitoring device | |
| CN106569461A (en) | Distributed power control device | |
| CN103149910B (en) | Ventilation intelligent control system in transformer substation room | |
| CN104143958A (en) | Photovoltaic active safety system | |
| CN111273630A (en) | Distributed energy storage control system | |
| CN104133460A (en) | Power monitoring system of fire fighting apparatus | |
| CN204009553U (en) | A kind of fire fighting smoke remover control box supervising device | |
| CN210608696U (en) | Block terminal based on intelligent monitoring | |
| CN110854827B (en) | Protection system of direct current residual current circuit breaker | |
| CN202940642U (en) | Intelligent power distribution cabinet | |
| CN102694412A (en) | Intelligent-simulation-type IPQC (in-process quality control) electric control (power distribution) cabinet | |
| CN202256522U (en) | Insulating monitor and medical isolating power system | |
| CN206258710U (en) | A kind of monitoring system of Surge Protector | |
| CN205068081U (en) | Novel fire control device power monitored control system | |
| CN106602717A (en) | Remote power controller | |
| CN219497160U (en) | Electrical fire monitoring and management system for cabinet of communication machine room |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201127 |