CN210626591U - Intelligent alarm device for monitoring state of low-voltage distribution substation area - Google Patents
Intelligent alarm device for monitoring state of low-voltage distribution substation area Download PDFInfo
- Publication number
- CN210626591U CN210626591U CN201921121220.4U CN201921121220U CN210626591U CN 210626591 U CN210626591 U CN 210626591U CN 201921121220 U CN201921121220 U CN 201921121220U CN 210626591 U CN210626591 U CN 210626591U
- Authority
- CN
- China
- Prior art keywords
- module
- voltage
- wireless communication
- alarm
- intelligent
- 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.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 50
- 238000004891 communication Methods 0.000 claims abstract description 38
- 238000007405 data analysis Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 19
- 230000003750 conditioning effect Effects 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 8
- 238000010295 mobile communication Methods 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses an intelligent alarm device for monitoring the state of a low-voltage distribution substation area, which comprises an intelligent monitoring alarm (2), a wireless communication module (3) and a device protection module (4), wherein the wireless communication module is connected with the intelligent monitoring alarm, and the device protection module is externally connected to the low-voltage distribution substation area; the intelligent monitoring alarm comprises a display module (21), a data analysis processing module (23), a voltage acquisition module (25) and a current acquisition module (26), wherein the display module (21), the data analysis processing module (23), the voltage acquisition module (25) and the current acquisition module are respectively electrically connected with a storage module (24), a fault alarm module (22) and the data analysis processing module are connected with each other, a power supply module (27) is respectively connected with a wireless communication module, a device protection module, the voltage acquisition module and the current acquisition module, and the storage module is also connected with the wireless communication module. The utility model discloses can realize the real time monitoring to low pressure distribution power distribution transformer district, the low pressure circuit of having solved present transformer district does not have corresponding state monitoring device's problem.
Description
Technical Field
The utility model relates to an intelligent alarm device of low pressure distribution station district state monitoring.
Background
The development of the smart grid is a key link for realizing the energy revolution of China, is the core for constructing a clean, low-carbon, safe and efficient modern energy system, is a foundation for supporting the sustainable development of social economy, and the construction of smart platform areas in new socialist rural areas is an important content for the construction of the smart grid. The rural power grid has the problems of large power distribution station area quantity and difficult management due to the large population base and dispersed houses in the rural area.
The conventional voltage acquisition device is generally used in the existing power system, the acquisition device can only acquire the area voltage condition of a low-voltage distribution power station area, and the acquisition device needs to be installed inside a comprehensive distribution box of the power station area. When the user side has the problem of low voltage at the tail end of the transformer area or the power failure of partial switch equipment in the transformer area is caused by other failure reasons, a power supply company cannot find the reason of the power failure in time and cannot accurately determine the location of the failure. The line of the distribution area cannot be monitored accurately in real time, which causes inconvenience for management and power quality control of the distribution area.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an intelligent alarm device of low pressure distribution substation district state monitoring is provided promptly to the realization does not have corresponding state monitoring device's problem to the real time monitoring in low pressure distribution substation district, the low pressure circuit of having solved present transformer district.
Solve above-mentioned technical problem, the utility model discloses the technical scheme who adopts as follows:
the utility model provides an intelligent alarm device of low pressure distribution substation district state monitoring which characterized by: the intelligent low-voltage distribution substation comprises an intelligent monitoring alarm 2, a wireless communication module 3 and a device protection module 4, wherein the intelligent monitoring alarm 2, the wireless communication module 3 and the device protection module 4 are arranged in a shell 1, and the wireless communication module 3 is connected with the intelligent monitoring alarm 2 and the device protection module 4 is externally connected to the low-voltage distribution substation area;
the intelligent monitoring alarm 2 is composed of a display module 21, a fault alarm module 22, a data analysis processing module 23, a storage module 24, a voltage acquisition module 25, a current acquisition module 26 and a power module 27, wherein the display module 21, the data analysis processing module 23, the voltage acquisition module 25 and the current acquisition module 26 are respectively and electrically connected with the storage module 24, the fault alarm module 22 is connected with the data analysis processing module 23, the power module 27 is respectively connected with the wireless communication module 3, the device protection module 4, the voltage acquisition module 25 and the current acquisition module 26, the wireless communication module (3) and the device protection module (4) are further connected through the power module (27) of the intelligent monitoring alarm (2), and the storage module 24 is further connected with the wireless communication module 3.
The voltage acquisition module 25 comprises a voltage sampling circuit 251 and a voltage operational amplifier conditioning circuit 252 which are connected with each other, the input end of the voltage sampling circuit 251 is connected with the power module 27 through a three-phase voltage detection interface, and the voltage operational amplifier conditioning circuit 252 is connected with the storage module 24.
The current collection module 26 includes a current sampling circuit 261 and a current operational amplifier conditioning circuit 262 which are connected with each other, an input end of the current sampling circuit 261 is connected with the power supply module 27 through a three-phase current detection interface, and the current operational amplifier conditioning circuit 262 is connected with the storage module 24.
The wireless communication module 3 is provided with an interface for mobile communication, an antenna interface for connecting an antenna, and an antenna.
The intelligent system alarm device realizes data transmission with the main station collector through wireless communication, then the main station collector communicates with the distribution transformer terminal, and finally the alarm signal and the position information of the electric power system alarm device are transmitted to the electric power monitoring system background of a power supply company through the wireless communication module in real time.
The utility model discloses following beneficial effect has: through the setting of this intelligent monitoring alarm, when the intelligent monitoring alarm load overvoltage, undervoltage, open phase, three-phase voltage is unbalanced, when overflowing, data analysis processing module will be through the data of contrastive analysis collection module collection, automatic generation and send alarm signal, realize data transmission through wireless communication module and main website collector, again by main website collector and distribution terminal communication, send alarm signal to power supply company electric power monitoring system backstage, power supply company confirms the positional information of this fault point through this alarm signal simultaneously, thereby can arrange power supply company person on duty more accurately and rapidly, eliminate the potential safety hazard that electric power system exists as early as possible.
Therefore, the intelligent warning device can realize the real-time transfer of fault information and fault point position information to the background of the electric power monitoring system, and does not need to additionally build other monitoring system platforms to analyze and process the fault problem in the electric power system, thereby effectively solving the problems of large number, difficult management and difficult emergency repair of the current transformer area and ensuring the electricity utilization safety of residents.
Drawings
FIG. 1 is a schematic view of the overall structure and appearance of an intelligent alarm device in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an intelligent monitoring alarm of the intelligent alarm device in the embodiment of FIG. 1;
FIG. 3 is a schematic view of the internal structure of the intelligent monitoring alarm of the present invention;
FIG. 4 is a schematic diagram of the components and connections of the embodiment of FIG. 1;
fig. 5 is a schematic diagram illustrating the components and connection relationship of the intelligent monitoring alarm in the embodiment of fig. 1.
In the figure: 1-a device housing; 2-intelligent monitoring alarm; 3-a wireless communication module; 4-a device protection module; 21-a display module; 22-fault alarm module; 23-a data analysis processing module; 24-a storage module; 25-a voltage acquisition module; 26-a current collection module; 27-power supply module.
Detailed Description
The technical solutions in the embodiments of the present invention are further described in detail and completely with reference to the following detailed description.
Referring to fig. 1-5, the present invention provides an embodiment of an intelligent alarm device for monitoring the state of a low-voltage distribution substation, which includes an intelligent monitoring alarm 2 installed in a housing 1, a wireless communication module 3 and a device protection module 4, wherein the wireless communication module 3 is connected to the intelligent monitoring alarm 2, and the device protection module 4 is externally connected to the low-voltage distribution substation.
The intelligent monitoring alarm 2 is composed of a display module 21, a fault alarm module 22, a data analysis processing module 23, a storage module 24, a voltage acquisition module 25, a current acquisition module 26 and a power module 27, wherein the display module 21, the data analysis processing module 23, the voltage acquisition module 25 and the current acquisition module 26 are respectively and electrically connected with the storage module 24, the fault alarm module 22 is connected with the data analysis processing module 23, the power module 27 is respectively connected with the wireless communication module 3, the device protection module 4, the voltage acquisition module 25 and the current acquisition module 26, the wireless communication module (3) and the device protection module (4) are further connected through the power module (27) of the intelligent monitoring alarm (2), and the storage module 24 is further connected with the wireless communication module 3.
The voltage acquisition module 25 comprises a voltage sampling circuit 251 and a voltage operational amplifier conditioning circuit 252 which are connected with each other, the input end of the voltage sampling circuit 251 is connected with the power module 27 through a three-phase voltage detection interface, and the voltage operational amplifier conditioning circuit 252 is connected with the storage module 24.
The current collection module 26 includes a current sampling circuit 261 and a current operational amplifier conditioning circuit 262 which are connected with each other, an input end of the current sampling circuit 261 is connected with the power supply module 27 through a three-phase current detection interface, and the current operational amplifier conditioning circuit 262 is connected with the storage module 24.
The wireless communication module 3 is provided with an interface for mobile communication, an antenna interface for connecting an antenna, and an antenna.
The intelligent monitoring alarm 2 is fixed in the device shell 1 through a mounting bracket, and the wireless communication module 3 and the device protection module 4 are also directly fixed in the device shell 1 through mounting plates respectively.
The wireless communication module 3 is provided with a power-taking connecting wire connected with the power module 27 inside the intelligent monitoring alarm 2, and is also provided with a signal transmission line connected with the storage module 24 inside the intelligent monitoring alarm 2.
The voltage acquisition module 25 in the intelligent monitoring alarm 2 is connected with the power supply module 27 in the intelligent monitoring alarm 2 to acquire voltage data, and the current acquisition module 26 acquires current data through the detection power supply module 27.
The utility model discloses a fault voltage reports an emergency and asks for help or increased vigilance theory of operation is: the voltage acquisition module 25 acquires three-phase voltage Ua, Ub and Uc signals through the three-phase voltage detection interface, amplifies the voltage signals, and transmits the amplified voltage signals to the data analysis processing module 23; the data analysis processing module 23 compares one or three phase voltage value of the three phase voltages Ua, Ub, Uc with the set voltage value, if the voltage value exceeds the upper limit voltage threshold value in the continuous set time range or is lower than the lower limit voltage threshold value in the continuous time (the normal voltage value is in the range from the lower limit voltage threshold value to the upper limit voltage threshold value), the action signal is sent to the fault alarm module 22, the fault alarm module 22 outputs alarm information (overvoltage alarm or undervoltage alarm), the voltage data such as Ua, Ub, Uc, Uab, Ubc, Uca and the like and the category and the occurrence date of the alarm signal generate a fault report which is stored in the storage module 24 for the display module 21 to select and display, meanwhile, the alarm information output by the fault alarm module 22 is sent to the wireless communication module 3, the alarm information is forwarded to the preset power distribution terminal through the wireless communication module 3, and then the power is uploaded to a power monitoring system background of a power supply company by the power distribution terminal.
Specifically, when the voltage acquisition module 25 detects that one or three-phase voltage values of three-phase voltages Ua, Ub, Uc of the power module 27 are zero within a duration setting time range, an action signal is sent to the fault alarm module 22, the fault alarm module 22 outputs alarm information (open-phase alarm or three-phase imbalance alarm), a fault report is generated according to voltage data such as Ua, Ub, Uc, Uab, Ubc, Uca and the like and the category and occurrence date of the alarm signal, and is stored in the storage module 24 for the display module 21 to selectively display, and meanwhile, the generated fault report information is sent to the wireless communication module 3, and is forwarded to a preset power distribution terminal through the wireless communication module 3, and is uploaded to the power supply company power monitoring system background through the power distribution terminal.
It should be noted that the working principle of the fault current alarm of the present invention is that the current collection module 26 detects the input end circuit of the power supply module 27, and amplifies the current signal through the three-phase current Ia, Ib, Ic signals, and transmits the amplified current signal to the data analysis processing module 23; the data analysis processing module 23 compares the current values of the three-phase currents Ia, Ib and Ic with the set current value, if the current values exceed the upper limit current threshold value within the continuous set time range, the data analysis processing module 23 sends an action signal to the fault warning module 22, the fault warning module 22 outputs overcurrent warning information, and simultaneously generates fault reports according to the types and occurrence dates of the three-phase currents Ia, Ib and Ic current data and the warning signals during fault, and stores the fault reports in the storage module 24 for the display module 21 to selectively display, and simultaneously sends the generated fault report information to the wireless communication module 3, and the fault report information is forwarded to a preset power distribution terminal through the wireless communication module 3 and then is uploaded to the power supply company power monitoring system background through the power distribution terminal.
Specifically, the utility model discloses can realize that the real-time supervision of electric power system reports an emergency and asks for help or increased vigilance, the project includes that the circuit is over-voltage to report an emergency and asks for help or increased vigilance of circuit open-phase or three-phase voltage unbalance and circuit overflow are reported an emergency and asked for help or increased vigilance;
specifically, the values of the fault duration, the upper voltage threshold, the lower voltage threshold, the upper current threshold and the like of the power system alarm device can be defined according to the actual field use environment.
In this embodiment, while the wireless communication module 3 forwards the warning information to the preset power distribution terminal, the background of the power monitoring system of the power supply company can quickly search the position information of the warning device of the power system through the serial number of the power distribution terminal. Therefore, the electric power system warning device can play the roles of fault positioning and fault warning simultaneously when a fault occurs, and realizes real-time monitoring and quick positioning of the distribution area of the electric power system, so that operators on duty of a power supply company can be arranged more accurately and quickly, and potential safety hazards in the electric power system can be eliminated as early as possible.
Claims (4)
1. The utility model provides an intelligent alarm device of low pressure distribution substation district state monitoring which characterized by: the intelligent low-voltage distribution substation comprises an intelligent monitoring alarm (2), a wireless communication module (3) and a device protection module (4), wherein the intelligent monitoring alarm (2), the wireless communication module (3) and the device protection module (4) are arranged in a shell (1), the wireless communication module (3) is connected with the intelligent monitoring alarm (2), and the device protection module (4) is externally connected to the low-voltage distribution substation area;
the intelligent monitoring alarm (2) consists of a display module (21), a fault alarm module (22), a data analysis processing module (23), a storage module (24), a voltage acquisition module (25), a current acquisition module (26) and a power module (27), wherein the display module (21), the data analysis processing module (23), the voltage acquisition module (25) and the current acquisition module (26) are respectively and electrically connected with the storage module (24), the fault alarm module (22) is mutually connected with the data analysis processing module (23), the power module (27) is respectively connected with a wireless communication module (3), a device protection module (4), the voltage acquisition module (25) and the current acquisition module (26), the wireless communication module (3) and the device protection module (4) are also connected through the power module (27) of the intelligent monitoring alarm (2), the storage module (24) is also connected with the wireless communication module (3).
2. The intelligent warning device for monitoring the state of the low-voltage distribution substation area according to claim 1, wherein: the voltage acquisition module (25) comprises a voltage sampling circuit (251) and a voltage operational amplifier conditioning circuit (252) which are connected with each other, the input end of the voltage sampling circuit is connected with the power supply module through a three-phase voltage detection interface, and the voltage operational amplifier conditioning circuit is connected with the storage module.
3. The intelligent warning device for monitoring the state of the low-voltage distribution substation area according to claim 2, wherein: the current acquisition module (26) comprises a current sampling circuit (261) and a current operational amplifier conditioning circuit (262) which are connected with each other, the input end of the current sampling circuit is connected with the power supply module through a three-phase current detection interface, and the current operational amplifier conditioning circuit is connected with the storage module.
4. The intelligent warning device for monitoring the state of the low-voltage distribution substation area according to claim 3, wherein: the wireless communication module (3) is provided with an interface for mobile communication, an antenna interface for connecting an antenna and an antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921121220.4U CN210626591U (en) | 2019-07-17 | 2019-07-17 | Intelligent alarm device for monitoring state of low-voltage distribution substation area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921121220.4U CN210626591U (en) | 2019-07-17 | 2019-07-17 | Intelligent alarm device for monitoring state of low-voltage distribution substation area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210626591U true CN210626591U (en) | 2020-05-26 |
Family
ID=70754531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921121220.4U Active CN210626591U (en) | 2019-07-17 | 2019-07-17 | Intelligent alarm device for monitoring state of low-voltage distribution substation area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210626591U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327034A (en) * | 2020-09-29 | 2021-02-05 | 国网山东省电力公司冠县供电公司 | A kind of voltage stability monitoring method |
| CN112731059A (en) * | 2020-12-22 | 2021-04-30 | 广东电网有限责任公司 | Low-voltage line intelligent monitoring device and monitoring system thereof |
| CN112748305A (en) * | 2020-12-10 | 2021-05-04 | 国网北京市电力公司 | Detection method and device for power distribution network monitoring equipment |
| CN115411840A (en) * | 2022-09-30 | 2022-11-29 | 贵州电网有限责任公司 | Intelligent employee operation platform for comprehensive analysis and decision of distribution transformer |
-
2019
- 2019-07-17 CN CN201921121220.4U patent/CN210626591U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327034A (en) * | 2020-09-29 | 2021-02-05 | 国网山东省电力公司冠县供电公司 | A kind of voltage stability monitoring method |
| CN112748305A (en) * | 2020-12-10 | 2021-05-04 | 国网北京市电力公司 | Detection method and device for power distribution network monitoring equipment |
| CN112748305B (en) * | 2020-12-10 | 2022-11-04 | 国网北京市电力公司 | Detection method and device for distribution network monitoring equipment |
| CN112731059A (en) * | 2020-12-22 | 2021-04-30 | 广东电网有限责任公司 | Low-voltage line intelligent monitoring device and monitoring system thereof |
| CN115411840A (en) * | 2022-09-30 | 2022-11-29 | 贵州电网有限责任公司 | Intelligent employee operation platform for comprehensive analysis and decision of distribution transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201812025U (en) | Transmission line fault detection device | |
| CN210626591U (en) | Intelligent alarm device for monitoring state of low-voltage distribution substation area | |
| CN106501656A (en) | A kind of on-line acquisition system of distribution line failure waveform | |
| CN102855729B (en) | Automatic electricity getting residual-current electrical fire supervisory system | |
| CN106501671A (en) | A kind of monitoring method of electric distribution network overhead wire failure | |
| CN202524170U (en) | Feeder automation system | |
| CN106501657A (en) | A kind of monitoring system of electric distribution network overhead wire failure | |
| CN102116823A (en) | System for automatically judging and positioning faults of automatic blocking and continuous railway power lines in railway distribution network | |
| CN106357004A (en) | Distributed feeder line automatic monitoring device for rural power distribution network | |
| CN205791462U (en) | It is applicable to the transformator broken neutral line monitoring system of low-voltage network | |
| CN207559689U (en) | A kind of low-voltage platform area intelligent monitor system | |
| CN104009540B (en) | The comprehensive power monitoring system of a kind of metro traction electric substation and monitoring method | |
| CN204408024U (en) | A kind of 10kV circuit operation information acquisition system | |
| CN201435620Y (en) | High-voltage user power monitoring and operation management system | |
| CN207799852U (en) | A kind of intelligent electric fire hazard monitoring early warning system | |
| CN211206765U (en) | Intelligent detection device for PT unit of outdoor ring main unit | |
| CN216434747U (en) | Station house type equipment external damage monitoring and alarming system | |
| CN211151617U (en) | Low-voltage distribution automation system | |
| CN117949721A (en) | A combined coil type wireless current sensor for intelligent fuse | |
| CN203522336U (en) | Power operation equipment on-line remote display and alarm device | |
| CN203562840U (en) | Power distribution equipment on-line monitoring early-warning terminal | |
| CN210894564U (en) | An online monitoring system for DC ring network | |
| CN103532239A (en) | On-line teletransmission display and alarm device for power operation equipment | |
| CN207542881U (en) | Substation's ac and dc systems fault remote monitoring device | |
| CN210894563U (en) | Direct current looped netowrk on-line monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |